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Physical Layer patents



      
           
This page is updated frequently with new Physical Layer-related patent applications. Subscribe to the Physical Layer RSS feed to automatically get the update: related Physical RSS feeds. RSS updates for this page: Physical Layer RSS RSS


Fiber Mountain

Packet switch using physical layer fiber pathways


Date/App# patent app List of recent Physical Layer-related patents
07/30/15
20150215988 
 Mobile station patent thumbnailnew patent Mobile station
To avoid a situation where a mac layer function and a physical layer function have state inconsistencies, i.e., the mac layer function recognizes that a certain uplink signal has been transmitted while the physical layer function has not actually transmitted the uplink signal. In a mobile station ue according to the present invention, a layer 1 function includes a transmission unit 13 configured to transmit an uplink signal to a radio base station enb.
Ntt Docomo, Inc.


07/30/15
20150215924 
 Method and  transmitting/receiving control information in a wireless communication system patent thumbnailnew patent Method and transmitting/receiving control information in a wireless communication system
A method and apparatus are provided for transmitting and receiving signaling information in a digital broadcasting/communication system. A method for transmitting the signaling includes encoding signaling information for a physical layer to generate at least one coded block; and transmitting a frame comprising the at least one coded block..
Samsung Electronics Co., Ltd.


07/30/15
20150215208 
 Packet switch using physical layer fiber pathways patent thumbnailnew patent Packet switch using physical layer fiber pathways
The present disclosure relates to a system for communicating traffic within a network. The system includes a plurality of switches for receiving/transmitting traffic within the network, a programmable physical layer pathway for providing one or more pathways between the plurality of switches and a controller for controlling the plurality of switches and the programmable physical layer pathway for optimizing a flow of traffic within the network., wherein the controller defines the pathway based on a destination of traffic received by the plurality of switches..
Fiber Mountain, Inc.


07/30/15
20150215188 
 Media access control filtering  high speed switching and operating method thereof patent thumbnailnew patent Media access control filtering high speed switching and operating method thereof
A media access control (mac) filtering method is provided. The mac filtering method includes setting a variable of condition on a target frame to be re-transmitted, with a relay control logic; receiving data from a physical layer; storing the received data in a relay buffer; determining whether to re-transmit the receive data; monitoring a transmission state of a mac control logic and transmitting the received data while the mac control logic is not used, to prevent data collision, when as a result of the determination that the receive data needs to be re-transmitted; and storing information that the received data is being transmitted, into a transmit state memory in the mac control logic, when the received data is transmitted..
Lsis Co., Ltd.


07/23/15
20150208417 
 Methods and systems for extending range and adjusting bandwidth for wireless networks patent thumbnailMethods and systems for extending range and adjusting bandwidth for wireless networks
A communications base-station configured to operate as a hub in a wireless network and provide communication services to a set of remote customer devices using a wireless protocol is disclosed. The communications base-station includes an antenna array having a plurality of antennae arranged in a fashion as to enable the antenna array to transmit and receive wireless signals in both a substantially omnidirectional and non-omnidirectional pattern, a physical layer (phy) device coupled to the antenna array and configured to transmit and receive wireless signals and a media access control (mac) device coupled to the phy device and configured to direct the antenna array to concurrently provide beamformed wireless signals to a first customer device and omnidirectional wireless signals to second customer device..
Koninklijke Philips N.v.


07/23/15
20150207744 
 System and  multi-pair configuration over existing cabling infrastructure patent thumbnailSystem and multi-pair configuration over existing cabling infrastructure
A system and method for multi-pair configuration over existing cabling infrastructure. In one embodiment, a network device is configured through a selective activation of one or more physical layer devices that are coupled to a respective one or more of the conductor pairs that are identified in a diagnostic process.
Broadcom Corporation


07/23/15
20150207591 
 Broadcast signal transmitter/receiver, and broadcast signal transceiving method patent thumbnailBroadcast signal transmitter/receiver, and broadcast signal transceiving method
Disclosed are a broadcast signal transmitter, a broadcast signal receiver, and a method for transceiving a broadcast signal in the broadcast signal transmitter/receiver. A method for transmitting a broadcast signal comprises the following steps: signaling in-band signaling information to at least one of a service component physical layer pipe (plp) including at least one service component of a broadcast service, a first information plp including first service information applied to one broadcast service and a second information plp including second service information applied commonly to a variety of broadcast services; performing the fec encoding on data included in each plp; performing time-interleaving on the fec encoded data; generating a transmission frame including the time-interleaved data; and modulating the transmission frame and transmitting a broadcast signal including the modulated transmission frame..
Lg Electronics Inc.


07/23/15
20150205741 
 High performance interconnect physical layer patent thumbnailHigh performance interconnect physical layer
A set of training sequences is generated, each training sequence to include a respective training sequence header, and the training sequence header is to be dc-balanced over the set of training sequences. The set of training sequences can be combined with electric ordered sets to form supersequences for use in such tasks as link adaptation, link state transitions, byte lock, deskew, and other tasks..
Intel Corporation


07/23/15
20150205339 
 Devices routing wakeup signals using physical layer, methods of operating the same, and data processing systems including the same patent thumbnailDevices routing wakeup signals using physical layer, methods of operating the same, and data processing systems including the same
In a method of operating a device, signals associated with wakeup of the device are detected using a first physical layer among a plurality of physical layers, and a detection signal is generated based on the detected signals. The detection signal is transmitted directly to a power management circuit.

07/16/15
20150201433 
 Signaling between phy and mac layers patent thumbnailSignaling between phy and mac layers
Aspects of the present disclosure provide techniques for signaling information, generated at a physical layer (phy) of a device, to a media access control (mac) layer for use in generating or processing packets.. .
Qualcomm Incorporated


07/16/15
20150201296 

Method and transmitting wireless personal area network communication system


A transmitting apparatus of a wpan communication system generates a synchronization header, a physical layer header, and a physical layer service data unit, multiplexes the synchronization header and the physical layer header into a bit stream and then modulates the multiplexed bit stream by a first differential phase modulation scheme, modulates the physical layer service data unit by a second differential phase modulation scheme, and multiplexes and transmits a symbol modulated by the first differential phase modulation scheme and a symbol modulated by the second differential phase modulation scheme into a symbol stream.. .
Electronics And Telecommunications Research Institute


07/16/15
20150200809 

Software-based fabric enablement


A first fabric abstraction layer couples to a data link layer and a physical layer of a network fabric device. The network fabric device is connected to other network elements within a network via at least one network connection, such as a fiber optic connection.
Nant Holdings Ip, Llc


07/09/15
20150195841 

Method for cancelling downlink interference in a lte-advanced network


Introducing changes on the physical layer for pdsch transmission and reception aimed at achieving inter-layer interference cancellation, said changes introduced comprising the introduction of a pattern of transmission gaps at symbols (l) and subcarrier indices (k) of interfering cell's crs signals, which will be exploited by said at least one user device for effective interference cancellation.. .

07/09/15
20150195742 

Physical layer frame format for long range wlan


A data portion of a physical layer (phy) data unit is generated to include a service field that consists of eight or less bits. When it is determined that the phy data unit is to be generated according to a first mode of operation of a long range communication protocol, the phy data unit is generated according to a first format to include the data portion.
Marvell World Trade Ltd.


07/09/15
20150195737 

Cell utilization estimation by a wireless device


Estimating loading and potential available throughput a serving cell of a wireless user equipment (ue) device. physical layer metrics of a channel on which the ue communicates with the serving cell may be measured.
Apple Inc.


07/09/15
20150195727 

Method for monitoring a wireless link of a wi-fi node of a customer premises equipment device, and customer premises equipment device utilizing the method


The method for monitoring a wireless link of a wi-fi node of a customer premises equipment device comprises the steps of replicating receive packets as well as transmit packets passing through the transmit/receive buffers of a physical layer by including a time stamp for the replicated packets, and passing the replicated packets to a monitoring unit. All packets are replicated in particular by including an rx/tx control of the wi-fi software driver of the customer premises equipment device to obtain the exact packet exchange and timing of the wi-fi network.
Thomson Licensing


07/09/15
20150192949 

Digital calibration-based skew cancellation for long-reach mipi d-phy serial links


A mobile industry processor interface (mipi) physical layer (d-phy) serial communication link and a method of reducing clock-data skew in a mipi d-phy serial communication link include apparatus including a clock transmitting circuit for transmitting a clock signal on a first lane of the mipi d-phy serial link, a data transmitting circuit for transmitting a data signal on a second lane of the mipi d-phy serial link, a clock receiving circuit for receiving the clock signal on the first lane of the mipi d-phy serial link, and a data receiving circuit for receiving the data signal on the second lane of the mipi d-phy serial link. The clock transmitting circuit and the data transmitting circuit transmit the clock signal and the data signal in phase during a calibration mode and out of phase during a normal operation mode..
Omnivision Technologies, Inc.


07/02/15
20150189630 

Terminal device, base station device, communication method, and integrated circuit


A terminal device includes means of determining resource elements to which a physical downlink shared channel is mapped for transmission on the physical downlink shared channel in a non-mbsfn subframe that is scheduled by using a downlink control information format 1a based on positions of cell-specific reference signals that are provided by using a physical layer cell identity.. .
Sharp Kabushiki Kaisha


07/02/15
20150188686 

Method of performing link adaptation procedure


A method of communicating in a wireless local area network is described. An access point transmits a first physical layer protocol data unit (ppdu) via multi-user multiple input multiple output (mu mimo) transmission to a plurality of stations.
Lg Electronics Inc.


07/02/15
20150188586 

Method and system for a combined signal detection for physical layer communication devices


Communication devices coupled via a communication link may comprise physical layer devices that may be operable to determine presence of a received signal and to mitigate noise in the signal prior to processing and/or validating the signal. Analog and/or digital signal processing may be utilized to process the signal and/or mitigate noise in the signal.
Broadcom Corporation


07/02/15
20150188245 

Managed connectivity in electrical systems and methods thereof


An electrical connector arrangement includes a storage device coupled to a connector housing. The storage device is configured to store physical layer information pertaining to the electrical connector arrangement.
Ads Telecommunications, Inc.


06/25/15
20150181561 

Frame transmission method performed in access point, frame reception method performed in terminal, and access point


Provided are a frame transmission method performed in an access point (ap), a frame reception method performed in a terminal, and an ap. The frame transmission method performed in an ap includes acquiring a channel for transmitting a first data unit of a first terminal, when a data unit to be transmitted to at least one terminal other than the first terminal is in the ap, generating a physical layer convergence procedure (plcp) protocol data unit (ppdu) including the first data unit and the data unit to be transmitted to the at least one terminal, and transmitting the ppdu to the first terminal and the at least one terminal.
Electronics And Telecommunications Research Institute


06/25/15
20150181406 

User equipment detection direct communication between user equipment and user equipment in wireless communication system, and apparatus therefor


Disclosed in the present application is a method for enabling user equipment to transmit and receive a discovery signal for direct communication between user equipment in a wireless communication system. Specifically, the method comprises the steps of: receiving, from a base station, information related to a plurality of configurations for the discovery signal through an upper layer; receiving, from the base station, downlink control information on a first sub-frame, comprising a field indicating one configuration among the plurality of configurations through a physical layer; and transmitting and receiving the discovery signal on the first frame and then on a second frame by using the indicated configuration..
Lg Electronics Inc.


06/25/15
20150181157 

Apparatus, formatting audio-video information


Techniques and mechanisms for formatting digital audio-video (“av”) information. In an embodiment, interface logic includes circuitry to receive digital av information which, in one or more respects, is according to or otherwise compatible with a first interface specification.
Silicon Image, Inc.


06/25/15
20150180803 

Network device and information transmission method


The application provides a network device, which includes: a main control board and a service board, where the main control board includes a processor and a switching chip, and the service board includes a physical layer component. The switching chip is connected to the physical layer component by using a system bus.
Huawei Technologies Co., Ltd.


06/25/15
20150180559 

Methods for transmitting a frame in a multi-user based wireless communication system


The present invention relates to methods for transmitting a frame by grouping a plurality of wireless terminals in a multiuser based wireless communication system. The present invention includes a method for transmitting a frame by including information about multiple receiver terminals in a mac frame, another method for transmitting a frame by allocating group addresses and then using a corresponding group address for frame transmission, and yet another method for transmitting a frame by using a unique group sequence number that is allocated to each group and group control information that contains bitmap information.
Electronics And Telecommunications Research Institute


06/18/15
20150172900 

Discovery of objects in wireless environments


An object discovery capability is provided to enable discovery of objects in a wireless environment, which may include discovering objects available from a set of wireless nodes in a wireless environment. The discovery of objects available from a set of wireless nodes may include a determination as to whether a particular object is available from the set of wireless nodes, identification of the wireless node or nodes from which a particular object is available, or the like.
Alcatel Lucent


06/18/15
20150172221 

Icm foot-print with upoe support


Power over ethernet (poe)/universal power over ethernet (upoe) may be enabled at multigigabit port-channel connections. This may allow for additional speed support in auto-negotiation messages while employing multigigabit speeds.
Cisco Technology, Inc.


06/18/15
20150172195 

Software-defined networking physical controller


Embodiments include a method, system, and computer program product for managing data flows in a network. A software-defined network controller obtains one or more attributes associated with one or more devices, such as physical layer devices.
International Business Machines Corporation


06/18/15
20150172192 

Software-defined networking physical controller


Embodiments include a method, system, and computer program product for managing data flows in a network. A software-defined network controller obtains one or more attributes associated with one or more devices, such as physical layer devices.
International Business Machines Corporation


06/18/15
20150172011 

System and wlan ofdma design of uplink and downlink transmissions


Embodiments are provided for wlan ofdma operations in uplink and downlink transmissions. For ofdma downlink transmission, an access point (ap) sends a signaling requesting protection of a transmission channel from access by stations (stas) associated with the ap.
Futurewei Technologies, Inc.


06/18/15
20150171995 

Method and apparatus of processing digital broadcasting signal in transmitter and receiver


A method of processing a digital broadcasting signal in a transmitter id provided. The method includes performing rs (reed-solomon) encoding on signaling data containing cross layer information between a physical layer and a upper layer, interleaving the rs encoded signaling data by writing the rs encoded signaling data row-by-row from left-to-right and top-to-bottom in a signaling data block and outputting the signaling data in the signaling data block by reading data column-by-column from top-to-bottom and left-to-right, and transmitting the digital broadcasting signal including the mobile service data and the interleaved signaling data during slots..
Lg Electronics Inc.


06/18/15
20150171896 

Methods and transmitting and receiving fec frame headers with variable header modulation


A frame header of forward error correction (fec) is provided, suitable for using in the dvb-c2 standard. In the dvb-c2 standard, adaptive coding and modulation (acm) or variable coding and modulation (vcm) is applied to each fec block to provide as much flexibility as possible.
Thomson Licensing


06/18/15
20150169486 

High performance interconnect physical layer


A reset of a synchronization counter is synchronized to an external deterministic signal. Entry into the link transmitting state is further synchronized with the deterministic signal.
Intel Corporation


06/11/15
20150163692 

Unification sublayer for multi-connection communication


Managing internet protocol (ip) flows to produce multi-connection communication is contemplated, such as but not necessarily limited to managing a single ip flow simultaneously through disparate physical layers (phys). A unification sublayer may be configured as a logical interface between a network layer and a data link layer and/or the disparate phys to facilitating partitioning of ip packets included in the ip flow..
Cable Television Laboratories, Inc.


06/11/15
20150163123 

Apparatus for testing data communications on two wire combined power and data network systems for automation


Apparatus for testing data communications on two wire combined power and data network systems for automation, comprising a control means and connection means adapted to connect said apparatus to a subject network segment, in which said control means comprises data signal output means adapted to impart a test data signal to said subject segment via said connection means, and a data signal disruption digital output digital input attribute modifier means adapted to vary one or more physical layer attributes of said test data signal which affect its functional quality and/or to vary one or more physical layer attributes of said subject segment which are capable of affecting the functional quality of data signals carried thereon.. .
Pepperl + Fuchs Gmbh


06/11/15
20150163045 

Adaptive pause time energy efficient ethernet phy


An energy efficient ethernet physical layer (phy) device including an eee control module configured to generate a control signal to transition the phy device into a low power consumption mode based an operating condition, and a pause frame generator module responsive to the control signals to generate a pause frame. The pause frame generator module is configured to send the pause frame to a media access control (mac) device to reduce an incoming flow of data packets from the mac device to the phy device for a pause time duration.
Micrel, Inc.


06/11/15
20150163013 

Method and apparatus of transmitting pilot signal for frequency shared broadcasting


Disclosed is a method of transmitting, by a transmission device, broadcast signals in a frequency-shared terrestrial broadcast system. The method includes generating the broadcast signals including pilot signals arranged at a physical layer frame based on a group identification (id) defined according to a broadcast service, and transmitting the generated broadcast signals to a reception device, wherein the positions of the pilot signals arranged at the physical layer frame are different by group ids..
Electronics And Telecommunications Research Institute


06/11/15
20150162969 

Physical layer header with access point identifier


Certain aspects of the present disclosure provide methods and apparatus for utilizing a physical layer (phy) header comprising an identifier for an access point (ap) or a basic service set (bss). A station (sta) that is assigned an order in a sequential response sequence may count only frames with phy headers that contain the correct identifier.
Qualcomm Incorporated


06/04/15
20150156814 

Cross-layer optimization method in a multimedia transmission system


Disclosed are cross-layer optimization method where information about lots of dynamic changes in wireless environment is shared and cross-layer optimization is implemented through abstraction layer component. Multimedia transport layer operating method where optimization of first layer and second layer is implemented by using service information provided from first layer having transport layer and network layer and second layer having datalink layer and physical layer.
Humax Holdings Co., Ltd.


06/04/15
20150156039 

Continuous adaptation of a channel equalizer


The present disclosure is directed to a system and method for continually adapting a channel equalizer that includes a precoder based on changing channel conditions. The precoder is described as being implemented in the exemplary context of a 10gbase-t physical layer (phy) device.
Broadcom Corporation


06/04/15
20150155981 

Apparatus for transmitting broadcast signals, receiving broadcast signals, transmitting broadcast signals and receiving broadcast signals


Provided is a method for transmitting a broadcast signal, including: formatting input streams into multiple data pipes (dps); encoding data of the multiple dps for each dp; generating at least one signal frames by mapping the encoded data; and modulating data of the generated signal frame using an orthogonal frequency division multiplexing (ofdm) scheme and transmitting a broadcast signal comprising the modulated data of the signal frame, wherein the signal frame includes a preamble, a pls (physical layer signaling) and eac (emergency alert channel), the preamble and the pls include eac flag information indicating whether there exists eac in the signal frame, and when the eac flag information indicates that there exists eac in the current frame, the pls further comprises eac length information, and when the eac flag information indicates that there doesn't exist eac in the current frame, the pls further comprises control information related to eac transmission.. .
Lg Electronics Inc.


05/28/15
20150149915 

Network management systems for use with physical layer information


One exemplary embodiment is directed to a network management system that uses physical layer information in performing a network management function. Another exemplary embodiment is directed to a method of tracking channel compliance using physical layer information..
Adc Telecommunications, Inc.


05/28/15
20150146745 

Control unit for in-vehicle ethernet and controlling thereof


The present invention relates to communication within a vehicle, and particularly relates to an in-vehicle ethernet, and the vehicle comprising thereof. A physical layer device (phy) according to one embodiment of the present invention may include a first pin receiving a power-on signal from exterior; a second pin which can be set as a first mode or a second mode; a decision unit which determines the mode in the second pin when the power-on signal is received at the first pin; and an operating preparation unit which initiates a communication by applying a predetermined value based on the mode in the second pin which is determined by the decision unit..
Hyundai Motor Company


05/28/15
20150146739 

Inter-networking devices for use with physical layer information


One exemplary embodiment is directed to an inter-networking device that performs at least one inter-networking function using physical layer information about the network of which the device is a part. Another exemplary embodiment is directed to capturing physical layer information about physical communication media that is attached to an inter-networking device.
Adc Telecommunications, Inc.


05/28/15
20150146708 

Method and transmitting plcp frame in wireless local area network system


A method of transmitting a physical layer convergence procedure (plcp) frame in a very high throughput (vht) wireless local area network (wlan) system includes generating a mac protocol data unit (mpdu) to be transmitted to a destination station (sta), generating a plcp protocol data unit (ppdu) by adding a plcp header, including an l-sig field containing control information for a legacy sta and a vht-sig field containing control information for a vht sta, to the mpdu, and transmitting the ppdu to the destination sta. A constellation applied to some of orthogonal frequency division multiplex (ofdm) symbols of the vht-sig field is obtained by rotating a constellation applied to an ofdm symbol of the l-sig field..
Lg Electronics Inc.


05/28/15
20150146608 

Apparatus for transmitting broadcast signals, receiving broadcast signals, transmitting broadcast signals and receiving broadcast signals


The present invention provides a method of transmitting broadcast signals. The method includes, demultiplexing input streams into plural plps (physical layer pipes); encoding data of the each plps according to each physical layer profiles, wherein the physical layer profiles are configurations based on reception condition, wherein the each physical layer profiles include: ldpc (low density parity check) encoding the data of the plp, bit interleaving the ldpc encoded data of the plp; building plural signal frames by mapping the encoded data of the each plps, wherein each signal frame belongs to one of the physical layer profiles, wherein a super frame includes at least two built signal frames; and modulating data in the built plural signal frames by ofdm (orthogonal frequency division multiplexing) method and transmitting the broadcast signals having the modulated data,.
Lg Electronics Inc.


05/28/15
20150146590 

Ethernet physical layer device using time division duplex


An ethernet physical layer device using time division duplex. A time division duplex frame can be defined with uplink and downlink transmission periods.
Broadcom Corporation


05/21/15
20150142914 

Physical layer caching for flexible mimo cooperation in wireless networks


Cooperative physical layer caching systems for base stations are described herein. Base stations include cache memories that store portions of content.
The Hong Kong University Of Science And Technology


05/21/15
20150139248 

Variable response interframe space in communication systems


A response interframe space (rifs) time period may be adapted in a communication system. The rifs time period may be based, at least in part, on channel conditions (e.g., data rate) between a first device and a second device.
Qualcomm Incorporated


05/21/15
20150139205 

Access point and methods for distinguishing hew physical layer packets with backwards compatibility


Embodiments of a system and methods for distinguishing high-efficiency wi-fi (hew) packets from legacy packets are generally described herein. In some embodiments, an access point may select a value for the length field of a legacy signal field (l-sig) that is non-divisible by three for communicating with hew stations and may select a value for the length field that is divisible by three for communicating with legacy stations.

05/21/15
20150139168 

Memory allocation method and system, user equipment, and network device


Embodiments of the present invention provide a memory allocation method and system, a user equipment, and a network device. The method includes: determining, by a user equipment (ue), a high speed downlink shared channel (hs-dsch) physical layer category for memory allocation according to a first network configuration sent by a first network device; using the total number of soft channel bits corresponding to the determined hs-dsch physical layer category as a total allocated memory size of a soft memory buffer, dividing the total allocated memory size of the soft memory buffer by the total number of serving or secondary serving hs-dsch cells corresponding to the determined hs-dsch physical layer category, and determining a soft memory buffer size of each hs-dsch transmission channel; and allocating the soft memory buffer size of each hs-dsch transmission channel among the harq processes in the first network configuration of the corresponding hs-dsch transmission channel..
Huawei Technologies Co., Ltd.


05/21/15
20150139146 

Method and transmission and reception of data streams in digital video broadcasting systems


A method of transmitting data in a wireless communication system is provided. The method comprises mapping service data onto a first set of multiple physical layer pipes (plps), mapping the first set of multiple plps onto a first set of logical frames, wherein each of the first set of logical frames is of the same size, forming a first logical channel comprising the first set of logical frames, and transmitting the mapped service data over a target delivery system..
Samsung Electronics Co., Ltd.


05/21/15
20150139115 

Method and transreceiving operating channel information in wireless communication system


The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for transreceiving operating channel information. A method for providing an operating parameter of a station, which operates in a whitespace band, according to the present invention, comprises the steps of: transmitting a frame comprising an operation information field including a channel width subfield; and transmitting a signal (sig) field of a physical layer convergence procedure (plcp) protocol data unit (ppdu) preamble, wherein the sig field comprises a bandwidth (bw) field, and wherein the type of the ppdu can be determined on the basis of the channel width subfield and the bw field..
Lg Electronics Inc.


05/21/15
20150139036 

Method and system for an overlay management control network


Embodiments of the present invention provide a novel solution that enables traditional network management services to be automated without requiring the standard user oversight often required by conventional networking systems. Embodiments of the present invention are operable to utilize in-band communications used by network devices within an existing layer 2 network to automatically generate a virtualized layer 2 management network.
Futurewei Technologies, Inc.


05/21/15
20150139019 

Technique for performing physical layer measurements


The present disclosure relates to a technique for performing physical layer measurements on a frequency resource relative to other frequency resources in a telecommunications system operable to communicate over multiple frequency resources. A method aspect of this technique includes determining that a mobile terminal is to perform a physical layer measurement with regard to a first frequency resource, determining if there is data to be communicated over one or more second frequency resource(s) within a time period wherein the first frequency resource is distinct from the second frequency resources: if it is determined that there is no data to be communicated over the second frequency resource(s) within the time period, performing the physical layer measurement on the first frequency resource and forming a quality measure of the first frequency resource based on the physical layer measurement; or if it is determined that there is data to be communicated over the second frequency resource(s) within the time period, modifying the physical layer measurement and forming a quality measure of the first frequency resource based on the modified physical layer measurement..
Optis Wireless Technology, Llc


05/21/15
20150138999 

Optimizing response interframe space in communication systems


A response interframe space (rifs) time period may be adapted in a communication system. The rifs time period may be determined based, at least in part, on a processing time used by a receiving device to process a received physical layer transmission from a transmitting device.
Qualcomm Incorporated


05/14/15
20150135293 

Reconfigurable antenna based solutions for device authentication and intrusion detection in wireless networks


Channel based authentication schemes for intrusion detection that operates at the physical layer are described that apply the capabilities of a pattern re-configurable antenna for improved performance. Performance gains are achieved by the schemes as a function of the number of antenna modes.

05/14/15
20150134985 

Power management for a physical layer interface connecting a display panel to a display transmit engine


By partitioning the source phy of a physical layer interface, such as a displayport interface, between multiple power domains, dynamic switching between various power modes with faster entry and exit latency can be achieved in some embodiments. In some embodiments, the scheme may be hardware initiated and autonomous in nature.

05/14/15
20150133141 

Data transmission method, apparatus, and communications system


Embodiments of the present invention provide a data transmission method, an apparatus, and a communications system. The method includes sending, by a macro base station, a configuration request message to an access node, where the configuration request message includes a bearer configuration parameter that carries a radio bearer (rb) identifier; receiving, by the macro base station, a configuration success message from the access node, where the configuration success message carries at least physical layer parameter configuration information that is configured by the access node for a user equipment; and sending, by the macro base station, a reconfiguration message to the user equipment.

05/14/15
20150131643 

Radio over ethernet mapper physical layer device (phy)


A mapper phy is disclosed that performs a protocol conversion of an input data stream that is formatted according to a first wired communication protocol to provide an output data stream that is formatted according to a second wired communication protocol. The mapper phy can be synchronized to a common reference clock or clocking source to ensure that data streams provided by multiple mapper phys are sufficiently aligned to satisfy frame timing alignment accuracy requirements of a wireless communication protocol..

05/14/15
20150131637 

V2v system with a hybrid physical layer


A vehicle-to-vehicle (v2v) communication transponder for use in v2v communication, safety and anti-collision systems using a hybrid protocol combining time-division multiplexed access (tdma), with collision sense multiple access (csma) protocol. The tdma frame is broken into regions, a priority and emergency tdma region, and a non-priority csma region.

05/14/15
20150131555 

Wireless access point cell id insertion in frame header


A wireless access point includes a wireless interface to send or receive frames in a cell in a wireless network. A storage device stores a cell id that uniquely identifies the wireless access point.

05/14/15
20150131527 

Methods and arrangements for communications in low power wireless networks


Embodiments may comprise an orthogonal frequency division multiplexing (ofdm) system operating in the 1 ghz and lower frequency bands. In many embodiments, the physical layer logic may implement repetition logic to repeat portions of the data streams to increase the ability of a receiving device to detect and decode the data streams.

05/07/15
20150125147 

Method and updating and switching between bit loading profiles for transfer of data from an optical network to network devices in a coaxial cable network


A conversion module including physical layer and control modules. The physical layer module, via an optical network, receives first data from a service provider.
Marvell World Trade Ltd.


05/07/15
20150124721 

System and transmitting a plurality of multi-service streams over an hf band


A method and system is provided for transmitting data in a communication system operating in the hf band comprising a link layer and a physical layer. The system comprises a transmitter and a receiver.
Thales


05/07/15
20150124608 

Adaptive scheduling of data flows in data center networks for efficient resource utilization


An approach is provided in which a first virtual machine, executing on a host computer system, generates a data packet with a target destination at a second virtual machine over a computer network. The host computer system identifies a data flow corresponding to the data packet based the data packet's header information, and analyzes path weightings of available paths that are made available to the identified data flow.
International Business Machines Corporation


04/30/15
20150121468 

Physical layer security method in wireless lan and wireless communication system using the same


A security method in a physical layer and a wireless communication system using the same are provided. A wireless communication access point (ap) whose security has been enhanced in the physical layer includes a storage unit that manages channel bandwidth pattern data, a controller for sequentially acquiring channel bandwidth data from the channel bandwidth pattern data, a pll controller for changing a channel bandwidth based on the acquired channel bandwidth data, and a wireless interface unit for performing wireless communication with a wireless communication terminal using the changed channel bandwidth.
Gloscom Co., Ltd.


04/30/15
20150119050 

System and joint power allocation and routing for software defined networks


An embodiment of a method for network resource management comprises performing joint traffic engineering and physical layer power control on a controller and using a routing and power control optimization process that comprises a combined alternating direction method of multipliers (admm) process and a power management process. First and second commands are generated at the controller according to optimization parameters determined by the routing and power control optimization process.
Futurewei Technologies, Inc.


04/30/15
20150117469 

Apparatus and support of communications services and applications over relatively low signal-to-noise ratio links


A physical layer (pl) frame generation method is provided. A pl payload is generated by encoding and modulating source data based on a first modcod of a first set.
Hughes Network Systems, Llc


04/30/15
20150117433 

Physical layer frame format for wlan


In a method for generating a physical layer (phy) data unit for transmission via a communication channel, the phy data unit conforming to a first communication protocol, a first communication device generates a phy preamble for the phy data unit, including: generating a signal field, including the signal field and a duplicate of the signal field in the phy preamble, and formatting the phy preamble such that a first portion of the phy preamble is decodable by a second communication device that conforms to a second communication protocol, but does not conform to the first communication protocol, to determine a duration of the phy data unit based on the first portion of the phy preamble. The first communication device generates the phy data unit to include the phy preamble and a phy payload..
Marvell World Trade Ltd.


04/30/15
20150117427 

Data transmission method and apparatus


Provided is a data transmission apparatus including a queue management unit to manage at least one queue in which information associated with at least one buffer descriptor (bd) is stored, a scheduler to estimate information to be transmitted among information associated with at least one media access control (mac) protocol data unit (mpdu) using at least one transmission bitmap (tx bitmap), a data transmitter to read the estimated information from information associated with a bd indicated in the at least one tx bitmap, and transmit the read information to a physical layer, and a physical layer management unit to generate information associated with a presentation protocol data unit (ppdu) based on the transmitted information, and transmit the generated information over the air, wherein the at least one bd includes information associated with the at least one mpdu.. .
Electronics And Telecommunications Research Institute


04/30/15
20150117378 

Method and simultaneously receiving on two carriers and performing discontinuous transmission and reception in dual cell high speed downlink packet access


A method and an apparatus for simultaneously receiving on two carriers and performing discontinuous transmission (dtx) and discontinuous reception (drx) in dual cell high speed downlink packet access (dc-hsdpa) are disclosed. A wireless transmit/receive unit (wtru) receives a message for activating drx for at least one of an anchor carrier and a supplementary carrier and applies the same drx pattern to the anchor carrier and the supplementary carrier upon reception of the message.
Interdigital Patent Holdings, Inc.


04/30/15
20150117367 

Method and processing bandwidth intensive data streams using virtual media access control and physical layers


A wireless networking system is disclosed. The wireless networking system includes an application layer associated with one or more applications having a wireless bandwidth requirement.

04/30/15
20150117322 

Policy-based control mechanism for wireless network physical layer resources


Embodiments of the present disclosure relate to physical layer resource utilization in wireless local area networks. In particular, the present disclosure relates to a policy-based control mechanism for wireless network physical layer resources such as transmit beamforming.
Aruba Networks, Inc.


04/30/15
20150117227 

Range extension mode for wifi


A method for generating a physical layer (phy) data unit for transmission via a communication channel is described where the phy data unit conforms to a first communication protocol. Orthogonal frequency division multiplexing (ofdm) symbols for a data field of the phy data unit are generated according to a range extension coding scheme that corresponds to a range extension mode of the first communication protocol.
Marvell World Trade Ltd.


04/23/15
20150113584 

Physical layer signalling for digital broadcast system


The present invention relates to a physical layer signalling in a digital broadcast network. In particular, for a digital broadcast network supporting a configuration with a plurality of physical layer pipes, a type indicator is signalled on physical layer for a pipe, the type indicator indicates the format of the input stream which may specify a transport stream, a generic stream or an ip stream.
Panasonic Corporation


04/23/15
20150110163 

Phy payload over multiple tone masks using single tone mask phy header information


A method of communications includes compiling a data frame for physical layer (phy) by a first communications device at a first communications node on a network. The data frame includes a single tone phy header portion and a data payload portion in a set of tones including at least one tone having a frequency different from a frequency of the single tone.
Texas Instruments Incorporated


04/23/15
20150110162 

Electrical transceiver for synchronous ethernet


Disclosed is an electrical transceiver for synchronous ethernet, including: a first interface connected with a host; a second interface including a physical layer (phy) transceiver connected with a serial link; and a processor connected with the first interface and the second interface, wherein the processor includes a timing control unit controlling a transmission signal transmitted to the second interface from the first interface and a reception signal transmitted to the first interface from the second interface to have the same time delay.. .
Aimvalley B.v.


04/23/15
20150110093 

Systems, methods and devices for dynamically setting response indication deferral in wireless networks


Methods and apparatuses for wireless communication are provided. A method for wireless communication comprises receiving a first physical layer protocol data unit.
Qualcomm Incorporated


04/16/15
20150106932 

Method and system for combining fiber optic link hierarchical stream metadata with internet protocol metadata


physical layer and data-link layer data are connected with networking through application layer data/information to enable searching, sorting, and identification of novel relationships between signal sources and their contents. Metadata can be used at the physical layer in an optical fiber network, connecting with metadata generated at the data link layer, connected to metadata generated at the network to application layer.
Glimmerglass Networks, Inc.


04/16/15
20150103838 

Asymmetric connection with external networks


Some embodiments provide a system that allows for the use of direct host return ports (abbreviated “dhr ports”) on managed forwarding elements to bypass gateways in managed networks. The dhr ports provide a direct connection from certain managed forwarding elements in the managed network to remote destinations that are external to the managed network.
Nicira, Inc.


04/16/15
20150103714 

Physical layer low power communication method and apparatus


A physical layer low power communication method and apparatus are provided. The physical layer low power communication method may include receiving a data packet from a transmitter, measuring a channel quality using a preamble and signal field information included in the data packet and determining whether recovery of the data packet is possible, calculating an error generation rate according to a determination result, and discarding the data packet and operating in a power save mode when the error generation rate is higher than a predetermined reference..
Electronics And Telecommunications Research Institute


04/02/15
20150093118 

In-band signaling for reconfiguring software defined optics


In an optical communication system, an optical transmitter changes operational physical layer parameters to meet future target throughput for the optical communication system. The optical transmitter communicates the upcoming change to the optical receiver in a message that used current physical layer parameters.
Zte Corporation


04/02/15
20150093109 

Ptp transparent clock system upgrade solution


A transparent clock converter is interposed between a non-precision time protocol (non-ptp) enabled network node and other portions of the network. The transparent clock converter effectively converts the non-ptp node into a transparent clock node.
Vitesse Semiconductor Corporation


04/02/15
20150092883 

Transmitting apparatus, receiving apparatus, and controlling the same


Provided are a transmitting apparatus, a receiving apparatus and methods of controlling the transmission and reception. The transmitting apparatus includes: a baseband packet generator configured to, in response to input of data, generate a baseband packet for mapping the data with a physical layer; a baseband frame generator configured to generate a baseband frame including the baseband packet; a signal processor configured to signal-process the baseband frame; and a transmitter configured to transmit the baseband frame after the signal processing, wherein the baseband packet includes signaling information which indicates that the data comprises at least one of base layer data and enhancement layer data..
Samsung Electronics Co., Ltd.


04/02/15
20150092881 

Apparatus for transmitting broadcast signals, receiving broadcast signals, transmitting broadcase signals and receiving broadcast signals


The present invention provides a method of transmitting broadcast signals. The method includes, processing input streams into bb (base band) frames of plps (physical layer pipes), wherein the input streams include a plurality of input packets, wherein each of the input packets include a packet header including information about synchronization of the input streams, wherein the processing input streams into bb frames further includes compressing the packet headers of the input packets in the input streams, generating the bb frames by using the compressed input packets; encoding data of the plps; building at least one signal frame by mapping the encoded data of the plps; and modulating data in the built signal frame by ofdm (orthogonal frequency division multiplexing) method and transmitting the broadcast signals having the modulated data..
Lg Electronics Inc.


04/02/15
20150092724 

Method, apparatus and system for sending physical layer signal


Embodiments of the present invention disclose a method, an apparatus and a system for sending a physical layer signal, where the method for sending a physical layer signal includes: constructing a signal frame of a physical layer signal, where the signal frame includes one single-frequency sequence, the single-frequency sequence is used to enable a receiving apparatus to capture the signal frame in a frequency domain according to the single-frequency sequence, and the single-frequency sequence includes a plurality of single-frequency preset symbols; and sending the physical layer signal based on the signal frame. Applying the present invention can facilitate capturing the signal frame in a frequency domain by a receive end, and therefore, not only impact caused by frequency offset is overcome, but also multipath energy may be used effectively to improve performance of capturing..
Tsinghua University


04/02/15
20150092671 

Downlink physical layer processing in wireless networks with symbol rate mapping


A downlink physical layer processing system includes a transport block segmentation processor that receives a transport block and generates segmented blocks from the transport block, an encoder that encodes the segmented blocks and forms encoded blocks, a mapping processor that maps the encoded blocks to symbols corresponding to resource elements to generate mapped symbols for transmission over a transmission medium, and a transmission signal generator that processes the mapped symbols to generate transmission signals for transmission over the transmission medium. The mapping processor maps the encoded blocks to the symbols in response to a control signal generated by the transmission signal generator.
Telefonaktiebolaget L M Ericsson (publ)


03/26/15
20150087310 

Managing pages of an access terminal when the access terminal is engaged in a communication session within a wireless communications system


At least one embodiment of the invention is directed to communicating in a wireless communications system, including monitoring a communication session on a first network, ignoring pages from a second network during the communication session, the first and second network configured for operation on different physical layers, and upon termination of the communication session over the first network, selectively sending a query to an application server to request information related to failed attempts by the application server to contact the access terminal on the second network during the communication session.. .
Qualcomm Incorporated


03/26/15
20150086211 

Pluggable active optical module with managed connectivity support and simulated memory table


A pluggable active optical module (aom) having an electrical connector at a first end and one or more optical adapters at a second end is disclosed. The aom includes a storage device interface at the second end, and a programmable processor coupled to the storage device interface and one or more first contacts of the electrical connector.
Adc Telecommunications, Inc.


03/26/15
20150085946 

Methods and arrangements for communications in low power wireless networks


Embodiments may comprise an orthogonal frequency division multiplexing (ofdm) system operating in the 1 ghz and lower frequency bands. In many embodiments, the physical layer logic may implement orthogonal frequency division multiplexing symbols encoded with 32 sub-carriers such as twenty data sub-carriers, four pilot sub-carriers, seven guard sub-carriers, and one direct current (dc) sub-carrier.
Intel Corporation


03/26/15
20150085881 

Data frame for plc having destination address in the phy header


A physical layer (phy) data frame for use in conjunction with processor in a node, processor coupled to a program memory for storing a sequence of operating instructions. The frame has a preamble, phy header, a mac header and a mac payload.
Texas Instruments Incorporated


03/26/15
20150085837 

Method of synchronization and detection for a multi-station wireless communication system (wifi), and wireless communication system utilizing this method


A method is provided for detection and synchronization for a multistation wireless communication system (wifi) implementing a layer, termed the mac or medium access control layer, provided for implementing a multiple access protocol and a physical layer, termed the phy or physical layer, provided for achieving synchronization and detection functions, the mac layer transmitting commands to the phy layer so as to carry out the multiple access protocol and the phy layer generating in response at least one waveform carrying synchronization signals and detection signals, the mac layer implements an orthogonal or quasi-orthogonal cyclic signal to construct the at least one waveform.. .
Comsis


03/26/15
20150085755 

Coordinated determination of physical layer identifier and transmit power


The assignment of physical layer identifiers for access points is coordinated with the assignment of transmit powers for the access points. For example, only those access points that transmit at a relatively high power level are allowed to use a physical layer identifier from a subset of physical layer identifiers allocated for mobility measurements.
Qualcomm Incorporated


03/26/15
20150085681 

Cell performance assessment


A method for assessing performance of a cell in a network in which data is passed between layers in a protocol stack implemented by the cell. The method comprises calculating a data efficiency of data passing through a physical layer in the protocol stack via one or more higher layers in the protocol stack based on a comparison of a number of physical resource data units allocated to that data at the physical layer with a data throughput of one or more of the layers of the protocol stack.
Aircom International Ltd


03/19/15
20150078460 

Multi-layer integrated unequal error protection with optimal parameter determination for video quality granularity-oriented transmissions


A cross-layer encoder for providing uep encoding of video data can be configured to provide uep encoding of video data at an application layer of a transmission channel by receiving video packets having first and second priority levels, applying first and second coding schemes to video packets having first and second priority levels, respectively, and transmitting video frames having first and second priority levels. The cross-layer encoder can be configured to provide uep encoding of video data at a physical layer of the transmission channel by receiving encoded video frames having first and second priority levels, applying third and fourth coding schemes to video frames having first and second priority levels, respectively, and transmitting cross-layer encoded video frames having first and second priority levels.
San Diego State University (sdsu) Foundation


03/19/15
20150078402 

Enabling mobile applications to acquire a mac address for obtaining location information


Techniques are presented to enable a network element in a network to receive a request from an application on a device, the request being encapsulated in a packet that includes a header that contains a physical layer identifier of the device to which the application does not have access. The physical layer identifier at the network element may be obtained.
Cisco Technology, Inc.


03/19/15
20150078336 

Packet switching domain handover gsm terminal


A domain handover method and system for a gsm terminal are described, a terminal protocol stack receiving a handover command from a network side, and notifying a physical layer to release a physical channel with a current cell, sending a synchronization request to the physical layer, after receiving a fed-back synchronization acknowledgement message, sending the physical layer a residence request carrying a system message of a handover target cell from the network side, after receiving a residence acknowledgement message from the physical layer, sending the physical layer a handover request carrying a handover type and a range of ta values. The physical layer judges whether to continue the ps handover or not according to a parameter carried in the handover request and the stored ta value.
Zte Corporation


03/19/15
20150078273 

Terminal device, base station device, and integrated circuit


There are provided a terminal device, a base station device, and an integrated circuit that enable a base station device and a terminal device to determine parameters related to uplink signals or uplink reference signals and to perform efficient communication. A terminal device that transmits a demodulation reference signal associated with a physical uplink shared channel to a base station device includes determining a sequence group number on the basis of a value of a parameter configured by a higher layer, determining the sequence group number on the basis of a physical layer cell identity, and generating a sequence of the demodulation reference signal on the basis of the sequence group number, wherein the sequence group number is determined on the basis of the physical layer cell identity in a case where a transmission on the physical uplink shared channel corresponding to a downlink control information format to which crc parity bits scrambled by a temporary c-rnti are attached is performed in a random access procedure..
Sharp Kabushiki Kaisha




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Physical Layer topics: Physical Layer, Base Station, Transmitting And Receiving, Internet Protocol, Hop Network, Error Rate, Allocation, Distributed, Communications, Machine Learning, Cognitive Radio, Network Device, User Interface, Encapsulation, Synchronous

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