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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


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

Huawei Technologies

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

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

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

Date/App# patent app List of recent Physical Layer-related patents
05/21/15
20150142914
 Physical layer caching for flexible mimo cooperation in wireless networks patent thumbnailnew patent 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 patent thumbnailnew patent 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 patent thumbnailnew patent 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 patent thumbnailnew patent 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 patent thumbnailnew patent 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 patent thumbnailnew patent 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 patent thumbnailnew patent 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 patent thumbnailnew patent 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 patent thumbnailnew patent 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 patent thumbnailReconfigurable 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
03/12/15
20150072667

Communicating physical layer wireless parameters over an application programming interface


Methods, systems, and devices are described for communicating physical layer wireless parameters over an application programming interface. A wireless modem of a wireless device may measure at least one physical layer wireless parameter.
Qualcomm Incorporated
03/12/15
20150071378

Apparatus for transmitting and receiving a signal and transmitting and receiving a signal


A method for transmitting and receiving a signal and an apparatus for transmitting and receiving a signal are disclosed. The method for receiving the signal includes receiving (s210) the signal in a first frequency band, identifying (s220) a first pilot signal including, a cyclic prefix obtained by frequency-shifting a first portion of an useful portion of the first pilot signal and a cyclic suffix obtained by frequency-shifting a second portion of the useful portion of the first pilot signal from the received signal, demodulating (s220) a signal frame including a physical layer pipe (plp) to which a service stream is converted, by an orthogonal frequency division multiplexing (ofdm) scheme, using information set in the first pilot signal, parsing (s230) the signal frame and obtaining the plp and obtaining (s240) the service stream from the plp..
Lg Electronics Inc.
03/12/15
20150071277

Content optimization of a physical layer preamble


Embodiments of the present invention provide for content optimization of a physical layer preamble. In one embodiment of the invention, a method for encapsulating a payload for transmission through a network is disclosed.
Qualcomm Incorporated
03/12/15
20150071256

Method for setting synchronization between device-to-device communication terminals based on cellular communication system


A method for setting synchronization between terminals performing device-to-device (d2d) communication based on a cellular communication system is disclosed. The method for setting synchronization between terminals includes receiving a message instructing synchronization setting with an opposite terminal from a base station, selecting a first preamble transmitted for a synchronization setting with the opposite terminal based on the message instructing synchronization setting, transmitting the selected first preamble to the opposite terminal, receiving a second preamble from the opposite terminal, and setting the synchronization with the opposite terminal using a reception timing of the second preamble when the second preamble is a preamble designated in the message instructing synchronization setting.
Electronics And Telecommunications Research Institute
03/12/15
20150071247

Modem and handing over ip multimedia subsystem sessions from a packet-switched network to a circuit-switched network


A modem and a method for handing over internet protocol (ip) multimedia subsystem (ims) sessions from a packet-switched network to a circuit-switched network. One embodiment of the modem includes: (1) a physical layer through which ims packets for a plurality of ims sessions are transmittable and receivable, and (2) a control layer configured to gain access to respective ims session data for the plurality of ims sessions, the respective ims session data originating from a host ims application..
Nvidia Corporation
03/12/15
20150071204

Method and device for controlling channel access in wireless lan system


The present invention relates to a wireless communication system and, more specifically, to a method and apparatus for controlling a channel access in a wireless lan system. According to one embodiment of the present invention, the objective of the present invention is to provide a method for controlling a channel access in a station (sta) of the wireless communication system comprising the steps of: receiving a frame which includes a response frame indication field in a physical layer convergence protocol (plcp) header of the frame; and deferring the channel access of the sta during a predetermined period of time which is determined on the basis of the response frame indication field..
Lg Electronics Inc.
03/05/15
20150067367

Method for reducing power consumption in electronic apparatus


An electronic apparatus is provided. The electronic apparatus includes a serial advanced technology attachment (sata) physical layer, a clock generator and a control unit.
Via Technologies, Inc.
03/05/15
20150067210

High 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
03/05/15
20150067208

High performance interconnect physical layer


A periodic control window is embedded in a link layer data stream to be sent over a serial data link, where the control window is configured to provide physical layer information including information for use in initiating state transitions on the data link. The link layer data can be sent during a link transmitting state of the data link and the control window can interrupt the sending of flits.
Intel Corporation
03/05/15
20150067207

High performance interconnect physical layer


A serial data link is to be adapted during initialization of the link. Adaptation of the link is to include receiving a pseudorandom binary sequence (prbs) from a remote agent, analyzing the prbs to identify characteristics of the data link, and generating metric data describing the characteristics..
Intel Corporation
03/05/15
20150063257

Methods and multiple user uplink


Methods and apparatus for multiple user uplink are provided. In one aspect, a method of wireless communication is provided.
Qualcomm Incorporated
03/05/15
20150063238

Control station apparatus, wireless communication system, allocation method and program


Means of configuring a reference signal unique to a mobile station apparatus is provided. There is provided a control station apparatus notifying a first mobile station apparatus of a parameter group generating a reference signal.
Sharp Kabushiki Kaisha
03/05/15
20150063237

Terminal device, base station device, and intergrated 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 includes determining a value related to a cyclic shift on the basis of a value of a parameter configured by a higher layer, determining the value related to the cyclic shift on the basis of a physical layer cell identity, and generating a sequence of the demodulation reference signal on the basis of the value related to the cyclic shift, wherein the value related to the cyclic shift 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..
Sharp Kabushiki Kaisha
03/05/15
20150061886

Electricity meter isolated physical layer ethernet interface


A metering arrangement includes at least a first and second meter. The first meter includes a first metrology circuit, an ethernet controller, and an isolation circuit.
Landis+gyr, Inc.
03/05/15
20150061883

Physical layer system with support for multiple active work orders and/or multiple active technicians


Multiple visual indications are provided at a device in connection with multiple work orders. Each work order involves a respective connection using the device.
Adc Telecommunications, Inc.
02/26/15
20150055957

Method of determining physical layer wavelength of tunable optical network unit (onu) in time and wavelength division multiplexed passive optical network (twdm-pon)


A method of determining a physical layer wavelength of a tunable optical network unit (onu) in a time wavelength division multiplexing-passive optical network (twdm-pon) is provided. First, a receiving wavelength of a tunable receiver is tuned to a downstream wavelength of one of a plurality of operable channels in a twdm-pon system.
Electronics And Telecommunications Research Institute
02/26/15
20150055527

Devices and methods for facilitating power savings by optimized data block decodes in wireless communications systems


Access terminals are adapted to facilitate data block decoding, where a header may be decoded while a data payload is not decoded. According to one example, an access terminal can convey information from an upper layer of a protocol stack to a physical layer of the protocol stack.
Qualcomm Incorporated
02/26/15
20150055504

Management of ad-hoc peer-to-peer connections to provide data network access using a plurality of heterogeneous wide area networks


A method includes collecting physical layer and data layer connectivity information from a plurality of wide area networks using a plurality of mobile devices independently of the wide area networks. A server receives the physical layer and data layer connectivity information, relates the connectivity information to specific wide area networks and to a plurality of geographic locations to create a network statistics database.
Motorola Mobility Llc
02/26/15
20150055458

Video transmission device, video transmission method, and program


Provided is a video transmission device including an encoding unit configured to encode video data, a transfer rate setting unit configured to set a transfer rate of a physical layer based on an encoding rate of the encoded video data, and a transmission unit configured to transmit the encoded video data at the transfer rate.. .
Sony Corporation


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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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