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Physical Layer patents

      

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




 Method and  system information acqusition in wireless communication system patent thumbnailMethod and system information acqusition in wireless communication system
The present disclosure relates to a pre-5th-generation (5g) or 5g communication system to be provided for supporting higher data rates beyond 4th-generation (4g) communication system such as long term evolution (lte). Next generation of wireless cellular operation is expected to be deployed in higher frequency above 6 ghz (eg.
Samsung Electronics Co., Ltd.


 Operating in power save mode patent thumbnailOperating in power save mode
A method for operating in a power save mode for a wireless local area network and a device using the same are provided. After waking up, a device receives a frame via a wireless medium to determine that the wireless medium is busy.
Techflux, Ltd.


 Unification sublayer for multi-connection communication patent thumbnailUnification 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.


 Fault tolerant physical layer solution for foundation fieldbus h1 networks or other networks in industrial process control and automation systems patent thumbnailFault tolerant physical layer solution for foundation fieldbus h1 networks or other networks in industrial process control and automation systems
An apparatus includes at least one processing device configured to detect a cable fault that divides a network segment into first and second portions and that communicatively disconnects the second portion from the first portion. The apparatus also includes repeater configured to communicatively connect the second portion of the network segment to the first portion of the network segment such that one or more devices associated with the first portion maintain communication with one or more devices associated with the second portion.
Honeywell International Inc.


 Method of embedding auxiliary information into legacy physical layer preamble patent thumbnailMethod of embedding auxiliary information into legacy physical layer preamble
A method for transmitting a legacy physical layer preamble of a frame that is to a wireless communication device, including: determining auxiliary information to be embedded into the legacy physical layer preamble; embedding the auxiliary information into at least one of a reserved field and a signal tail field of the legacy physical layer preamble; and transmitting the legacy physical layer preamble containing the auxiliary information to the wireless communication device.. .
Mediatek Inc.


 Detecting format of data patent thumbnailDetecting format of data
A method for detecting a format of data in a wireless local area network and a device using the same are provided. The device receives a physical layer protocol data unit (ppdu) that includes a first field and a second field.
Techflux, Ltd.


 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.


 Method and system for determining and controlling power of optical transmitter of optical network unit for time and wavelength division multiplexing passive optical network patent thumbnailMethod and system for determining and controlling power of optical transmitter of optical network unit for time and wavelength division multiplexing passive optical network
Disclosed are a method and system for determining and controlling power of an optical transmitter of an optical network unit (onu) for a time and wavelength division multiplexing passive optical network (twdm-pon). The system includes an rssi collector configured to collect received signal strength indication (rssi) information from upstream optical signals received from the onus connected to optical line terminal (olt) ports, an onu power level determiner configured to gather the pieces of rssi information about the onus from the rssi collector, and to determine power of optical transmitters of the onus based on the gathered information, and a power mode controller configured to receive power mode setting information of the optical transmitters of the onus from the onu power level determiner, and to generate a physical layer operation and maintenance (ploam) message to control power modes of the onus based on the received power mode setting information..
Electronics And Telecommunications Research Institute


 High performance interconnect patent thumbnailHigh performance interconnect
A physical layer (phy) is coupled to a serial, differential link that is to include a number of lanes. The phy includes a transmitter and a receiver to be coupled to each lane of the number of lanes.
Intel Corporation


 High performance interconnect physical layer patent thumbnailHigh performance interconnect physical layer
A supersequence corresponding to an initialization state is received on a link that includes a repeating pattern of an electrical idle exit ordered set (eieos) followed by a number of consecutive training sequences. Instances of the eieos are to be aligned with a rollover of a sync counter.
Intel Corporation


Managed fiber connectivity systems

A communications connection system includes an sc fiber optic connector including a storage device having memory configured to store physical layer information. The storage device also includes electrical contacts or an rfid antenna coil connected to the memory for transmitting information to a management system.
Commscope Connectivity Uk Limited

Initial access channel for scalable wireless mobile communication networks

physical layer structures and access schemes for use in such networks are described and in particular initial access channel (iach) structures are proposed. A spectrum efficient downlink (dl) iach design supports different types of user equipment (ue) capabilities and different system bandwidths.
Apple Inc.

Systems and methods for a sounding frame in an ieee 802.11ax compliant network

System and method embodiments for generating and transmitting a sounding frame in wireless network. In an embodiment, a method for uplink multi-user feedback polling in a wireless network includes generating, by an access point (ap) in the wireless network, a sounding frame including a physical layer (phy) trigger and a list of stations (stas) to provide feedback, the phy trigger indicating that the stas in the list of stas are to perform channel estimation; transmitting, by the ap, the sounding frame to one or more stas; and receiving, by the ap, one or more uplink multi-user feedback frames from the stas..
Huawei Technologies Co., Ltd.

Communication media and methods for providing indication of signal power to a network entity

Communication media for providing indication of signal power to a network entity include communication paths extending from a first end to a second end; and a connector assembly terminating the first end of the communication paths, the connector assembly including a physical layer management (plm) interface that is isolated from signals on the communication paths. The connector assembly includes a signal sensor that senses signal power propagating through the connector assembly to/from the communication paths; a programmable processor coupled to the signal sensor and the plm interface; and data storage devices that include first instructions that cause the programmable processor to receive a signal from the signal sensor corresponding to the signal power detected by the signal sensor, and to send an indication of the signal power propagating through the connector assembly, the programmable processor sending the indication over the plm interface to a network entity..
Commscope Technologies Llc

Physical layer key distribution for long distance repeated networks using random environmental instability

Aspects of the present disclosure describe methods and systems for improved secure key generation and distribution employing environmental instability induced signal phase fluctuations that are compatible with commercial wavelength division multiplexed (wdm) optical systems and associated optical amplifiers for long-haul transmission.. .
Nec Laboratories America, Inc.

Enhanced component carrier discovery reference signals

Methods, systems, and devices are described for a system that supports wireless communication with a first set of devices using a first ofdm symbol duration associated with a first tone spacing (i.e., a first physical layer (phy) configuration) and second set of devices using a phy configuration associated with a second tone spacing. A base station may transmit a set of discovery reference signals (drs) in a narrowband region of a primary channel of a carrier.
Qualcomm Incorporated

Guided distributed interference management system utilizing positive co-channel interference detection, measurement and mitigation employing a communication network or an internet connection

Various embodiments of the system and method relate to improvements in co-channel interference mitigation in shared spectrum environments operating under the aegis of a spectrum access system and companion database. Implementation orchestrates, detects, and obtains noise measurements from a potentially-affected receiver utilizing programmed reduction of transmitted power from a potential interferer when the two entities connect over the internet or other communication network.

High performance interconnect physical layer

Re-initialization of a link can take place without termination of the link, where the link includes, a transmitter and a receiver are to be coupled to each lane in the number of lanes, and re-initialization of the link is to include transmission of a pre-defined sequence on each of the lanes.. .
Intel Corporation

User apparatus, and signal transmission and reception method

A user apparatus that performs d2d communication by radio includes a signal transmission unit configured to transmit a signal including a destination identifier of a physical layer associated with a destination identifier of an upper layer which is a layer higher than the physical layer; and a signal reception unit configured to detect a signal addressed to the user apparatus by detecting an identifier, of the physical layer of the user apparatus, that is associated with an identifier of the upper layer of the user apparatus from a signal received by radio.. .
Ntt Docomo, Inc.

Apparatus and methods for txop duration field in phy header

A method is implemented by a station (sta) in a wireless local area network (wlan) to update a network allocation vector (nav) maintained by the sta. The method includes receiving a first physical layer protocol data unit (ppdu), determining whether a duration indicated in a control field of a preamble portion of the first ppdu is greater than a current nav value, determining whether the first ppdu is received as an immediate response to a second ppdu previously transmitted by the sta, and updating the nav maintained by the sta using the duration in response to a determination that the duration is greater than the current nav value and the first ppdu is not received as an immediate response to the second ppdu previously transmitted by the sta..
Newracom, Inc.

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.
Sun Patent Trust

Circuit module capable of establishing one or more links with another device and associated method

A circuit module includes a physical layer, a first mac layer, a second mac layer and a multiplexer, where the physical layer is arranged to communicate with another device via a plurality of lanes, each lane represents a set of differential signal pairs, one pair for transmission and one pair for reception, and the multiplexer is coupled between the first mac layer, the second mac layer and the physical layer. In addition, the first mac layer is coupled to a first group of the lanes via the physical layer, and selectively coupled to a second group of the lanes via the multiplexer and the physical layer; and the second mac layer is selectively coupled to the second group of the lanes via the multiplexer and the physical layer..
Mediatek Inc.

Physical layer hand-off and diversity combining in non-geostationary satellite constellation

At least two antennas are used for make-before-break communications over non-geostationary satellites. An shdc device provides physical layer seamless hand-off and obtain diversity signal-to-noise ratio (snr) gain.
Emc Satcom Technologies Llc

Method for transferring information between base station and terminal, base station, terminal, and system

Embodiments of the present invention relate to the field of communications technologies, and disclose a method for transferring information between a base station and a terminal, a base station, a terminal, and a system, which diversify manners for transferring information between a base station and a terminal. The method includes: receiving a broadcast channel, where the broadcast channel is not only used for transferring basic physical layer configuration information of a cell, but also used for transferring first specific content agreed between the terminal and the base station, and the first specific content is used for transferring configuration information required by the terminal to access a network; and parsing out the first specific content from the broadcast channel.
Huawei Technologies Co., Ltd.

Label switched packet transfer device

A device for connecting base station(s) to a cellular label switched network in a cellular network. The cellular network includes: base station(s), the connecting device(s); cellular label switched network(s); and service area(s).
George Mason Intellectual Properties, Inc.

Signal routing system

This specification discloses a protocol agnostic networking apparatus and method of networking. The networking apparatus receives physical layer signal through a plurality of communications ports that interface with external computing systems.
Zomojo Pty Ltd

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

Multichip package link

physical layer logic is provided that is to receive data on one or more data lanes of a physical link, receive a valid signal on another of the lanes of the physical link identifying that valid data is to follow assertion of the valid signal on the one or more data lanes, and receive a stream signal on another of the lanes of the physical link identifying a type of the data on the one or more data lanes.. .
Intel Corporation

System and power management

Particular embodiments described herein can offer a method for managing power for at least one processor that includes evaluating a plurality of ports associated with an electronic device; determining that a particular pin associated with at least one of the ports is not receiving a signal; disabling a squelch function associated with the electronic device; and gating power associated with a physical layer (phy) of the electronic device.. .
Intel Corporation

Method for determining and recovering from loss of synchronization, communication units and integrated circuits therefor

A method of recovery from a time-synchronization loss in a communication unit between a first processor supporting physical layer communications and a second processor supporting layer-2 communications is described. The method comprises: detecting, by the first processor, that a loss of sync has occurred between the first and second processors; in response to said detecting, stopping sending subsequent physical layer messages from the first processor to the second processor, for example to allow the second processor to consume any old pending messages; re-starting a messaging process by the first processor by sending at least one new message to the second processor with updated system frame number, sfn, and sub-frame, sf, counter value; and receiving at the first processor at least one subsequent response message from the second processor acknowledging receipt of at least one new message with an indication of the received and updated sfn and sf counter value of that message thereby confirming synchronization being restored..
Freescale Semiconductor, Inc.

Electronic device and controlling transmission control protocol thereof

An electronic device and a method for controlling transmission control protocol are provided. The electronic device includes a communication circuit, a processor electrically connected to the communication circuit, and a memory electrically connected to the processor.
Samsung Electronics Co., Ltd.

System and securing wireless communication through physical layer control and data channel

A system for securing wireless communication between a transmitter and a receiver through a physical layer control and a data channel is disclosed. The transmitter includes a pseudo random sequence generator module and an encryption module.
Signalchip Innovations Private Limited

Unified interchip and intrachip node communication

Unified systems and methods for interchip and intrachip node communication are disclosed. In one aspect, a single unified low-speed bus is provided that connects each of the chips within a computing device.
Qualcomm Incorporated

Resource-utilization controlling method and wireless device

Provided are resource-utilization controlling methods for a device-to-device communication and wireless devices therefor. The method performed by a first wireless device comprises steps of: detecting current utilization state of the resource for the device-to-device communication as a resource utilization state; and explicitly or implicitly signaling the resource utilization state through broadcasting in the physical layer.
Panasonic Intellectual Property Corporation Of America

Operation methods of communication node in network

Operation methods of a first communication node in a network, in particular, an ethernet-based vehicle network, include: transmitting, by the first communication node to at least one communication node which is connected to the first communication node, a first frame requesting state information of a physical layer between the first communication node and the at least one communication node; receiving, by the first communication node from the at least one communication node, a second frame in response to the first frame; and identifying, by the first communication node, a state of the physical layer based on the second frame when the second frame is received.. .
Hyundai Motor Company

Communication interface apparatus

Disclosed embodiments relate to a communications interface apparatus that may include: a physical layer interface configured to receive first data from an external device and output the received first data; a relay configured to create first transmit data based on processing condition information of received data; and a medium control access (mac) layer interface configured to receive the receive data output via the physical layer interface, transmit the received data to an upper layer, and receive second data in response to the transmitted data. The relay may store the processing condition information corresponding to the data received from the external device, and create the first transmit data based on the processing condition information corresponding to the received data when the received data is output via the physical layer interface..
Lsis Co., Ltd.

Override subsystems for rapid recovery from serial-link errors

An override subsystem on the host side of a serial data link between the host and a peripheral detects and diagnoses link errors by comparing the states of the port's link-layer component and physical layer. An override controller accesses a data-store containing stored policies for responding to particular errors.
Intel Corporation

Led driver and lighting systems technologies

A driver for a lighting device includes a light emitting diode (led) driver circuit utilizing interface elements for supporting multiple control connectivity options, the led driver circuit utilizing a processor having a physical layer interfaces coupled to the interface elements and configured to operatively support a plurality of network protocols, the processor being configured to perform a plurality of functions, including a function of providing a bridge or gateway between network protocols of the plurality of network protocols, the processor being configured to: detect available network protocols of the plurality of network protocols; select, for a physical layer interface, a mode of operation (from modes of operation including, for example: an inactive mode, a monitoring mode, a gateway mode, and a primary mode) appropriate to ensure interoperability and backward compatibility for the available network protocols; and assign one or more of the available network protocols to the physical layer interface(s).. .
Fulham Company Ltd., An Exempted Co. Inc'd W/ltd. Liability Under The Laws Of The Cayman Islands

Method and system for network access request control

Embodiments of the present application provide a method and system for network access request control. During operation, the system may identify a network access request received by a website.
Alibaba Group Holding Limited

Efficient auto detection for next generation wlan

An auto-detection scheme may be applied to a physical layer (phy) preamble of a communications packet, such as an 802.11 packet, to identify which generation of a communication standard was used to generate the packet. A packet of a wireless transmission may be received by a wireless device.
Apple Inc.

Event-monitoring in a system for automatically obtaining and managing physical layer information using a reliable packet-based communication protocol

A method of reporting information about events occurring at a device. A connection between a first entity and a second entity associated with the device is established using a reliable packet-based communication protocol.
Commscope Technologies Llc

Method and transmitting a frame in a wireless ran system

A method and a transmitting station for transmitting data in a wireless local area network are discussed. The method according to an embodiment includes generating a physical layer convergence procedure (plcp) protocol data unit (ppdu), the ppdu including a very high throughput signal (vht-sig) field and a plcp service data unit (psdu); and transmitting the ppdu to a receiving station.
Lg Electronics Inc.

Coexistent channel access method

A method is presented for transmitting a data packet in a wireless local area network. A physical layer protocol data unit (ppdu) is generated, the ppdu indicates that the ppdu is to be transmitted to a plurality of receivers.
Lg Electronics Inc.

Systems and methods for enabling communication between an accessory charger adapter (aca) and an aca-agnostic universal serial bus controller

A physical layer integrated circuit (phy), including an accessory charger adapter (aca) bridge circuit to communicate with an aca via a universal serial bus (usb) cable having at least an id pin and a vbus pin. The phy is also to communicate with an aca-agnostic usb controller configured to act as an a-device or as a b-device.
Texas Instruments Incorporated

User equipment and methods for adapting system parameters based on extended paging cycles

Embodiments of wireless communication devices and method for discontinuous reception (drx) mode in wireless communication are generally described herein. Some of these embodiments describe a wireless communication device having processing circuitry arranged to determine to use an extended paging discontinuous reception (drx) value to increase a paging cycle length above a value and select a first periodicity, based on the extended paging drx value, at which the ue is to perform evaluation of a parameter of a network in which the ue is opera.
Intel Ip Corporation

Method for receiving d2d discovery information and apparatus

Embodiments of the present disclosure provide a method for receiving d2d discovery information and an apparatus. The method for receiving d2d discovery information includes: sending, by an upper layer of a radio resource control rrc layer of a d2d communication device, a first instruction to a physical layer of the d2d communication device, where the first instruction is used to instruct the physical layer to switch from a d2d sleep state to a d2d listening state; and receiving, by the physical layer of the d2d communication device, the first instruction and switching from the d2d sleep state to the d2d listening state according to the first instruction, to listen to d2d discovery information.
Huawei Technologies Co., Ltd.

Current loop sensor interface using a terminated symmetrical physical layer

A sensor system or a sensor bus comprises a plurality of sensors coupled together by a bus to a controller for sensing physical parameters and responding to changes of the physical parameters. The bus comprises a two wire bus, with a first wire and a second wire, configured to communicate supply signals to the plurality of sensors and data communication signals generated by current modulate signals from the plurality of sensors or the controller.
Infineon Technologies Ag

Connection identifier for high-efficiency wireless networks

Various embodiments are generally directed to techniques to identify the target of a packet in a wireless network. A transmitter node may include a connection identifier to generate a unique identifier corresponding to a connection between the transmitter node and a receiver node in the wireless network and a data packet transmitter to embed the unique identifier into a physical layer convergence protocol header corresponding to a packet to be transmitted to the receiver node.
Intel Ip Corporation

Acknowledgement for multiple user communication in a wlan

A first communication device generates a multi-user (mu) physical layer (phy) data unit having independent data for multiple second communication devices. The first communication device also generates respective control frames to prompt second communication devices to transmit an orthogonal frequency division multiple access (ofdma) phy data unit to acknowledge that the second communication devices received the mu phy data unit.
Marvell World Trade Ltd.

Method for transmitting data using plurality of subbands and apparatus using same

Provided are a method and an apparatus for transmitting data in a wireless lan. A transmitter receives, from an access point (ap), allocation information about at least one subband from among a plurality of subbands, and transmits a physical layer protocol data unit (ppdu) in the at least one allocated subband.
Lg Electronics Inc.

Antenna buffer management for downlink physical layer

A method and system for managing a transmission buffer memory at a base station in a wireless communication system, the base station having a plurality of cells, the memory being circular and shared among the cells so that memory fragmentation when cells are removed or added is avoided.. .
Telefonaktiebolaget Lm Ericsson (publ)

Device, method and system using the he sig-b field spatial resource indication

A sta, ap and method of reducing channel allocation control overhead are disclosed. The sta receives a high-efficiency physical layer convergence protocol data unit (he ppdu) having a he sig-a field followed by a he sig-b field.

Method, wireless transmit/receive unit (wtru) and base station for transferring small packets

A method, a wireless transmit/receive unit (wtru) and a base station for transferring small packets are described. The wtru generates a packet that has one or more of a medium access control (mac) or a physical layer convergence protocol (plcp) header, the one or more of the mac or the plcp header including a field.
Interdigital Patent Holdings, Inc.

Physical layer cross-connect switch

Systems and methods for configuring, maintaining and monitoring a layer 1 switching network using physical layer cross-connect switches having a switch controller that configures, manages and monitors data path segments forming links in communication paths.. .
Xcelor Llc

Physical layer data unit format for a wireless communication network

In a method for generating a data unit, it is determined whether the data unit is to be transmitted using single carrier (sc) modulation or orthogonal frequency division (ofdm) modulation. When it is determined that the data unit is to be transmitted using sc modulation, a header field of the data unit is generated using a first technique to indicate that the data unit conforms to a first protocol and/or whether the data unit conforms to a first phy mode or a second phy mode of the first protocol.
Marvell World Trade Ltd.

Method for generating a group secret key based on the radio physical layer and wireless terminal associated therewith

A method for generating a secret key shared by a group of at least three terminals from characteristics of wireless communication channels connecting the terminals in twos, including, at each of the terminals of the group, the implementation of the following steps of: acquiring signals from wireless communication channels, known as adjacent channels, connected to the terminal and generating a representation of each adjacent channel; for at least one wireless communication channel, known as a non-adjacent channel, not connected to the terminal, acquiring at least one image signal of the non-adjacent channel and generating a representation of the non-adjacent channel, determining the secret key from a combination of the representations of the adjacent channels and at least one representation of non-adjacent channel.. .
Commissariat A L'energie Atomique Et Aux Energies Alternatives



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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