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Physical Layer patents

      

This page is updated frequently with new Physical Layer-related patent applications.




 Security message transmission method and apparatus patent thumbnailnew patent Security message transmission method and apparatus
The present invention relates to a security message transmission method and apparatus. The method includes: generating, by a vehicle terminal, a first security message, where the first security message carries message type information; adding priority indication information of the security message to a geographic information layer according to the message type information, and obtaining a second security message; determining, at a media access control (mac) layer, a transmission path of the security message according to the priority indication information; and sending the second security message to a recipient by using a physical layer corresponding to the determined transmission path, so that the recipient performs forwarding processing on the second security message.
Huawei Technologies Co., Ltd.


 Method and  reducing latency of lte uplink transmissions patent thumbnailnew patent Method and reducing latency of lte uplink transmissions
A method and apparatus reduce latency of long term evolution (lte) uplink transmissions. Configuration information regarding a downlink control information (dci) message for a physical uplink shared channel (pusch) transmission can be acquired.
Motorola Mobility Llc


 Apparatus and  sending and receiving broadcast signals patent thumbnailnew patent Apparatus and sending and receiving broadcast signals
A broadcast signal receiver is disclosed. A broadcast signal receiver according to an embodiment of the present invention comprises a synchronization & demodulation module performing signal detection and ofdm demodulation on a received broadcast signal; a frame parsing & deinterleaving module performing parsing and deinterleaving of a signal frame of the broadcast signal; a demapping & decoding module performing conversion of data of at least one physical layer pipe (plp) of the broadcast signal into the bit domain and fec decoding of the converted plp data; and an output processing module outputting a data stream by receiving the at least one plp data..
Lg Electronics Inc.


 Apparatus and  sending and receiving broadcast signals patent thumbnailnew patent Apparatus and sending and receiving broadcast signals
A broadcast signal transmitter is disclosed. A broadcast signal transmitter according to an embodiment of the present invention comprises an input formatting module performing baseband formatting and outputting at least one physical layer pipe (plp) data; a bicm module error-correction processing the plp data; a framing & interleaving module interleaving the plp data and generating a signal frame; and a waveform generating module inserting a preamble into the signal frame and generating a broadcast signal by performing ofdm modulation..
Lg Electronics Inc.


 Joint physical layer security and papr mitigation in ofdm sytems patent thumbnailnew patent Joint physical layer security and papr mitigation in ofdm sytems
Systems and methods for securing orthogonal frequency division multiplexing (ofdm) transmission of data are discussed herein. Transceivers can sense the signal strength of frequencies on an ofdm wireless channel.
University Of South Florida


 Multigig solution on conventional sgmii and xfi capable system patent thumbnailnew patent Multigig solution on conventional sgmii and xfi capable system
Methods and systems are disclosed which may provide multigig capability to a system where a physical layer device (phy) or a network device does not have the capacity to support all available line speeds while operating in a single system-interface mode between mac and phy devices.. .
Cisco Technology, Inc.


 Method and  close proximity communications patent thumbnailMethod and close proximity communications
A method and apparatus for close-proximity communication. The close-proximity communication method performed by a transmitter includes generating a physical layer (phy) frame including a phy preamble, a frame header, and a payload field, and transmitting the generated phy frame to a receiver, in which the frame header may include a media access control (mac) header, a header check sequence (hcs), and a reed-solomon (rs) parity bit..
Electronics And Telecommunications Research Institute


 User station supporting dynamic channel selection and  operation on dsrc band patent thumbnailUser station supporting dynamic channel selection and operation on dsrc band
Embodiments of a user station (sta), access point (ap) and methods for operating a sta and ap in a wireless network are general described herein. In some embodiments, the sta includes processing circuitry and physical layer (phy) circuitry to detect a dedicated short range communications service (dsrc) transmission on a wireless communication channel in a frequency spectrum comprising 5 ghz.
Intel Ip Corporation


 Broadcast reception device and operating method thereof, and broadcast transmission device and operating method thereof patent thumbnailBroadcast reception device and operating method thereof, and broadcast transmission device and operating method thereof
Provided is a broadcast reception device providing emergency alert information for notifying an emergency situation. The device includes: a broadcast reception unit receiving a transmission packet for transmitting the emergency alert information through a transmission path included in a physical layer, which is one a plurality of layers for transmitting a broadcast signal and is for transmitting/receiving a broadcast signal through a physical medium; and a control unit obtaining the emergency alert information by decoding the transmission packet..
Lg Electronics Inc.


 Spectrum abstraction for a shared coaxial cable network patent thumbnailSpectrum abstraction for a shared coaxial cable network
A first multimedia over coax alliance (moca) compatible device comprises a physical layer profiling circuit and a spectrum abstraction circuit. The physical layer profiling circuit may for example be operable to measure a performance metric for each of a plurality of subbands on a shared coaxial cable of a moca network.
Maxlinear, Inc.


Wireless sensors and corresponding intra-operative nerve root decompression monitoring

A sensor including an array of pins, a sensing element, a control module, and a physical layer module. The array of pins or needles is configured to be inserted in tissue of a patient.
Warsaw Orthopedic, Inc.

Random access process in carrier aggregation

A mac layer instructs a physical layer to transmit a preamble as a part of a random access (ra) procedure on a licensed assisted access (laa) cell. The wireless device performs an lbt for transmission of the preamble.
Ofinno Technologies, Llc

Wifi virtual carrier sense for lte/wifi co-channel coordination

A wireless cellular device comprises physical layer circuitry configured to transmit and receive radio frequency electrical signals to communicate directly with one or more separate wireless devices using a communication channel of a cellular network and a wifi communication channel of a wifi communication spectrum; and processing circuitry configured to initiate transmission of a wifi subframe via the wifi communication channel to reserve communication time on the wifi communication channel for use by the same or a different cellular device during the reserved communication time.. .
Intel Corporation

Network clock synchronization

According to example embodiments of the present invention, predetermined patterns are inserted into data streams and exchanged between a master node and a slave node. By recognizing the patterns near the underlying interface of the physical layer, the master node and slave node can generate timestamps that exactly identify when the respective messages leaves and/or arrives at the physical layer.
International Business Machines Corporation

Apparatus and sending and receiving broadcast signals

A broadcast signal transmitter is discussed. A broadcast signal transmitter according to an embodiment of the present invention comprises an input formatting module performing baseband formatting and outputting at least one physical layer pipe (plp) data; a bicm module error-correction processing the plp data; a framing & interleaving module interleaving the plp data and generating a signal frame; and a waveform generating module inserting a preamble into the signal frame and generating a broadcast signal by performing ofdm modulation..
Lg Electronics Inc.

Dynamic highlight

Embodiments disclosed herein generally relate to techniques for providing a visualization of connectivity between components in a computer network. One embodiment provides a method which includes receiving a configuration of a network comprising a plurality of components within a physical layer and a virtual layer.
International Business Machines Corporation

Dynamic highlight

Embodiments disclosed herein generally relate to techniques for providing a visualization of connectivity between components in a computer network. One embodiment provides a method which includes receiving a configuration of a network comprising a plurality of components within a physical layer and a virtual layer.
International Business Machines Corporation

Apparatus and sending and receiving broadcast signals

A broadcast signal receiver is discussed. A broadcast signal receiver according to an embodiment of the present invention comprises a synchronization & demodulation module performing signal detection and ofdm demodulation on a received broadcast signal; a frame parsing & deinterleaving module performing parsing and deinterleaving of a signal frame of the broadcast signal; a demapping & decoding module performing conversion of data of at least one physical layer pipe (plp) of the broadcast signal into the bit domain and fec decoding of the converted plp data; and an output processing module outputting a data stream by receiving the at least one plp data..
Lg Electronics Inc.

Apparatuses and methods for reducing switching jitter

Described are apparatuses and methods for reducing channel physical layer (c-phy) switching jitter. An apparatus may include a pattern dependent delay circuit to detect a switching pattern of at least three data signals on respective wires and adaptively change delays of the at least three data signals based on the switching pattern.
Intel Corporation

Low-power reconfigurable architecture for simultaneous implementation of distinct communication standards

A chip architecture for use in processing signals encoded in accordance with any one of a plurality of communication protocols each defined by a series of algorithms is disclosed. The chip architecture comprises a plurality of megafunctions, each in the form of reusable, reconfigurable functional blocks for use in implementing different algorithms necessary for implementing the physical layer of each of the communication protocols; and a plurality of switches configured to respond to select control signals so as to interconnect the necessary megafunctions for processing the signals encoded with each of the protocols.
Asocs Ltd.

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.
Commscope Technologies Llc

Data transmission method and communications device

The present invention relates to a data transmission method and a communications device. The communications device includes: a memory, a processor, and a communications interface.
Huawei Technologies Co., Ltd.

Methods of adapting codec data rate based on radio condition to improve lte service coverage and capacity

Variable bitrate (“vbr”)-based applications may use physical layer metrics, associated with a radio access network (“ran”), in order to select a data rate and/or codec at which to send and/or receive data. Such vbr-based applications may include voice call application, video streaming applications, or the like.
Verizon Patent And Licensing Inc.

Apparatus and sending and receiving broadcast signals

Disclosed herein is a broadcast signal transmitter. A broadcast signal transmitter according to an embodiment of the present invention includes an input formatting module configured to perform baseband formatting and to output the data of at least one physical layer pipe (plp), a bicm module configured to perform error-correction processing on the plp data, a framing and interleaving module configured to interleave the plp data and to generate a signal frame, and a waveform generation module configured to insert a preamble into the signal frame and to generate a broadcast signal by performing ofdm modulation..
Lg Electronics Inc.

Apparatus and sending and receiving broadcast signals

Discussed herein is a broadcast signal receiver. The broadcast signal receiver according to an embodiment of the present invention includes a synchronization and demodulation module configured to perform signal detection and ofdm demodulation on a received broadcast signal, a frame parsing and deinterleaving module configured to parse and deinterleave the signal frame of the broadcast signal, a demapping and decoding module configured to convert the data of at least one physical layer pipe (plp) of the broadcast signal into a bit domain and to fec-decode the data, and an output processing module configured to receive the data of the at least one plp and to output the received data in a data stream form..
Lg Electronics Inc.

Terminal device, base station device, communication method, and integrated circuit for processing demodulation reference signals

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

Apparatus and wired data communication

The present disclosure describes a wired communication device having media access control (mac) circuitry and physical layer (phy) circuitry. The mac circuitry frames one or more data packets in accordance with a wired communication standard or protocol to provide one or more data frames.
Broadcom Corporation

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

Operation storage device, operation metho of host device, and operation user system including storage device and host device

An operation method is for a storage device that includes a storing unit storing a plurality of error logs and a physical layer and exchanges an electrical signal with a host via the physical layer. The operation method includes receiving a debugging command from the host, setting a first value at a first attribute included in the physical layer in response to the debugging command, setting a second value different from the first value at the first attribute in response to a control of the host, setting one among the plurality of error logs at a second attribute based on the first attribute at which the second value is set, and transmitting the error log set at the second attribute to the host in response to a control of the host..
Samsung Electronics Co., Ltd.

Mitigation of charging induced voltage offset

Techniques for mitigating voltage offsets are described herein. A method for mitigating voltage offset includes receiving, via a sensor, charging current information.
Intel Corporation

Radio station and processing user data with radio station

A radio station (1) includes a first part (1a) and at least one second part (1b). The second part (1b) can be arranged so as to be physically separated from the first part (1 a) and is connected to the first part (1a) via a transmission line (40) so as to be able to communicate with the first part (1a).
Nec Corporation

Radio resource allocation in wi-fi aware neighborhood area network data links

A network communication device comprises physical layer (phy) circuitry configured to transmit and receive radio frequency electrical signals to communicate directly with one or more separate network devices; and medium access control layer (mac) circuitry. The mac circuitry is configured to: initiate transmission of a packetized message that includes a neighbor awareness networking (nan) public action frame; receive a data connection request message from a second network device that includes one or more quality of service (qos) requirements; initiate transmission of a data connection response message that includes data exchange time window information and channel information; and communicate data device-to-device with the second network device according to the data exchange time window information and channel information..

Method and apparatus of transmitting ppdu in wireless communication system

A method is provided for transmitting a physical layer protocol data unit (ppdu) in a wireless communication system. For a first data stream associated with a first ppdu to be transmitted via a first channel, a wireless device includes a first data block, a first header indicating a first modulation and coding scheme (mcs), and a first physical layer service data unit (psdu) in the first data stream.
Lg Electronics Inc.

Method and adding csg identities to a white list in connected mode

A serving enodeb and a method thereof are provided. The serving enodeb includes a receiver configured to receive, from a wireless transmit/receive unit (wtru), a first measurement report including a physical layer cell identity (pci) of a target closed subscriber group (csg) cell detected by the wtru, a transmitter configured to, in response to the received first measurement report, to transmit a message to the wtru indicating that the wtru is to read system information (si) of the target csg cell, and a processor.
Interdigital Patent Holdings, Inc.

Flow control on wireline network

A digital subscriber line, dsl/g.fast/g.hn, transceiver comprising a plurality of first interfaces configured to transmit data packet streams in a downlink direction to different subscribers and to receive data packet streams from the different subscribers, a second interface configured to transmit data packet streams in an uplink direction to a passive optical network element, and at least one processing unit configured to detect a physical layer indicator of a loss of signal of one of the first interfaces received at a physical layer at said one first interface, wherein when the at least one processing unit detects the physical layer indicator for said one first interface, the second interface transmits the physical layer indicator in the uplink direction to the passive optical network element.. .
Lantiq Beteiligungs-gmbh & Co., Kg

Method, apparatus and system for sending physical layer signal

Embodiments of the present invention disclose a sending apparatus and a receiving apparatus, and a method for sending a physical layer signal, includes: constructing a signal with a frame structure comprising multiple ga128 sequences, a —ga128 sequence, and a single-frequency sequence of m in length; wherein the ga128 and —ga128 sequences are golay sequences of 128 in length, m is an integer multiple of 128, and the single-frequency sequence comprises m single-frequency symbols and is used to enable a receiving apparatus to estimate an inphase and quadrature (iq) imbalance parameter; and sending the signal with the frame structure.. .
Tsinghua University

Low power physical layer driver topologies

System, methods and apparatus are described that facilitate transmission of data, particularly between two devices within electronic equipment. Transmission lines are selectively terminated in an n-phase polarity encoded transmitter when the transmission lines would otherwise be undriven.
Qualcomm Incorporated

Waking up internet of things devices in a high efficiency wireless local-area network

Apparatuses, computer readable media, and methods for waking up internet of things (iot) devices in a high-efficiency wireless local-area network are disclosed. The apparatus of a high-efficiency wireless local-area network (hew) device may include processing circuitry and transceiver circuitry configured to generate a packet for one or more stations comprising one or more sub-channels.

Devices for packet system bearer splitting

A communication device comprises physical layer circuitry configured to transmit and receive radio frequency electrical signals to communicate directly with one or more separate wireless devices via a cellular network and a non-cellular network; and processing circuitry configured to: initiate transmission of a packetized message using a non-cellular communication channel and a cellular communication channel, wherein the packetized message includes a plurality of internet protocol (ip) packets; indicate in an ip header field of an ip packet of the plurality of ip packets that the ip packet includes a packet sequence number; and include packet sequence numbers in the ip packets.. .
Intel Corporation

Transmitting apparatus, receiving apparatus, and controlling methods, thereof

A transmitting apparatus is provided. The transmitting apparatus includes: a baseband packet (bbp) generator configured to generate a bbp including a header and payload data; a frame generator configured to generate a frame including the bbp; a signal processor configured to signal-process the generated frame; and a transmitter configured to transmit the signal-processed frame.
Samsung Electronics Co., Ltd.

Ack policy for uplink and downlink mu ppdu

A method implemented by a station (sta) in a wireless local area network (wlan) to acknowledge a downlink (dl) multi-user (mu) physical layer (phy) protocol data unit (ppdu) transmitted by an access point (ap). The method includes receiving the dl mu ppdu, decoding a frame from the dl mu ppdu, where the frame includes an indication requesting the sta to provide a trigger-based immediate acknowledgement, determining whether trigger information for an uplink (ul) mu transmission has been obtained from the dl mu ppdu, responsive to a determination that the trigger information has been obtained from the dl mu ppdu, transmitting a trigger-based immediate acknowledgement frame to the ap during the ul mu transmission, according to the trigger information, and responsive to a determination that the trigger information has not been obtained from the dl mu ppdu, refraining from transmitting the trigger-based immediate acknowledgement frame to the ap..
Newracom, Inc.

Method and time synchronisation in wireless networks

A wireless media distribution system is provided comprising an access point (6) for broadcasting media and a plurality of stations (2) for reception and playback of media. Each station is configured for receiving and decoding a timestamp in a beacon frame transmitted repeatedly from the access point.
Imagination Technologies Limited

Methods for uplink multiuser signaling and transmission

A method implemented by an access point (ap) in a wireless local area network (wlan) to initiate an uplink (ul) multi-user (mu) simultaneous transmission. The method includes generating a trigger frame that initiates the ul mu simultaneous transmission, where the trigger frame includes (1) a ul mu physical layer convergence protocol (plcp) protocol data unit (ppdu) attributes field to indicate attributes pertaining to a ul mu ppdu transmitted to the ap during the ul mu simultaneous transmission that are common to a plurality of stations (stas) that are scheduled to participate in the ul mu simultaneous transmission and (2) a sta physical layer service data unit (psdu) attributes field for a particular sta from the plurality of stas to indicate attributes pertaining to the ul mu ppdu that are specific to the particular sta.
Newracom, Inc.

Apparatus for transmitting broadcasting signal, receiving broadcasting signal, and transmitting/receiving broadcasting signal through transmitting/receiving broadcasting signal

A method for transmitting broadcast signals in a transmitter. Internet protocol (ip) packets are input processed to output data of a plurality of physical layer pipes (plps).
Lg Electronics Inc.

Communication apparatus and communication method

A communication apparatus includes a physical layer circuit that functions as a physical layer for communication with a communication destination and can perform an automatic negotiation with the communication destination for determining communication setting information representing physical setting of communication with the communication destination, a nonvolatile storage unit, and a control unit that controls the physical layer circuit. In one operating mode, the control unit controls the physical layer circuit such that an automatic negotiation with the communication destination is performed and communication setting information determined by the automatic negotiation in the storage unit is written.
Mitsubishi Electric Corporation

Method and controlling carrier selection in wireless communications systems

A mobile communications system including: at least one base station configured to communicate data to/from different terminal devices via respective of plural logically separate carriers of a wireless access interface; first and second terminal devices operable to camp-on to first and second carriers of plural carriers and to subsequently communicate data with the at least one base station via the first and second carriers. The first and second carriers support compatible synchronisation signalling such that the first and second terminal devices both can synchronise with the first and second carriers to begin a camp-on procedure.
Sca Ipla Holdings Inc.

Nlos wireless backhaul uplink communication

A method for uplink (ul) wireless backhaul communication at a wireless backhaul remote unit in a radio access network comprising receiving a configuration for radio frames and a transmission schedule through a downlink (dl) physical layer broadcast channel, wherein the transmission schedule comprises a transmission allocation for the remote unit, generating a ul data frame, wherein generating the ul data frame comprises performing forward error correction (fec) encoding on a data bit stream to generate a plurality of fec codewords, wherein performing the fec encoding comprises performing reed solomon (rs) encoding on the data bit stream to generate a plurality of rs codewords, performing byte interleaving on the rs codewords, and performing turbo encoding on the byte interleaved rs codewords to generate one or more turbo codewords, wherein each turbo codeword is encoded from more than one rs codeword, and transmitting the ul data frame according to the transmission allocation.. .
Texas Instruments Incorporated

Signaling resource allocations in multi-user data units

A physical layer (phy) preamble of a multi-user (mu) phy data unit is generated. The phy preamble is generated to include formatting information regarding the mu phy data unit, including a field to be transmitted within a first individual communication channel among a plurality of individual communication channels that collectively span a bandwidth of a composite channel, each individual communication channel including a plurality of basic resource allocation (ra) units that collectively span a bandwidth of the individual communication channel.
Marvell World Trade Ltd.

Transmitting apparatus, receiving apparatus, and controlling the same

A transmitting apparatus is provided. The transmitting apparatus includes at least one processor configured to implement: an l1 signaling generator configured to generate l1 signaling; a frame generator configured to generate a frame having a payload in which a plurality of physical layer pipes (plps) are included; and a signal processor configured to transmit the frame by adding a preamble including the l1 signaling in the frame.
Samsung Electronics Co., Ltd.

Reliable dual sub-carrier modulation schemes in high efficiency wlan

Modulation schemes that use dual sub-carrier to reliably transmit physical layer related signaling information and/or data in high efficiency wireless local area network (he wlan) are proposed. The proposed schemes can be implemented with low complexity and provide better performance than existing modulation schemes used in wlan that are based on ieee 802.11/a/b/g/n/ac standards.
Mediatek Inc.

Managing a number of ethernet links

A method for managing a number of ethernet links includes identifying a number of ethernet links to utilize a number of channels of a cable based on a number of capabilities and a number of policies of a number of media access controllers (macs) and a number of physical layer entities (phys), determining a number of ethernet link types to be configured for the cable based on the capabilities and policies of the macs and phys, negotiating a number of parameters to allow multi-channel ports of a number of nodes connected to the cable to establish communications through the ethernet links based on the determined ethernet link types and the utilized channels, and managing the cable configuration describing the macs to be supported by the channels within the cable based on the policies.. .
Hewlett Packard Enterprise Development Lp

Physical layer management configured active optical module with native and non-native network element support

Systems for a plm configured active optical module (aom) with native and non-native-network element support are provided. A system includes a non-native network element having a first port with a first inventory interface; a first pluggable aom installed in the first port and coupled to the first inventory interface, where in response to a request to read a standard table entry the first pluggable aom provides plm information to the non-native network element in a format complying with a msa or a standard for the inventory interface; an extended network element having a second port with a second inventory interface; and a second pluggable aom installed in the second port and coupled to the second inventory interface, where in response to a request to read a non-standard table entry, processing devices provide plm information to the extended network element in a format for a physical layer management system..
Commscope Technologies Llc

Physical layer frame format for wlan

A first field of a preamble of a physical layer (phy) data unit is generated to include a first set of one or more information bits that indicate a duration of the data unit and is formatted to conform to a first communication protocol and such that the first field allows a receiver device that conforms to a second communication protocol to determine the duration of the data unit. A second field of a preamble of the phy data unit is generated to include a second set of one or more information bits that indicate to a receiver device that conforms to the first communication protocol that the data unit conforms to the first communication protocol.
Marvell World Trade Ltd.



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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