1836 results about "PHY" patented technology

A wireless communication method and system enabling dynamic multi-path data transmission and reception across heterogeneous radio access networks. The method includes selecting between sequential, concurrent, or redundant multipath transmission strategies based on real-time measurements of link quality parameters, including signal-to-interference-plus-noise ratio (SINR), reference signal received power (RSRP), delay, and spectrum availability. The system further enables adaptive transmission power control, modulation scheme selection, and carrier configuration based on physical layer feedback, minimizing interference and optimizing spectral efficiency. Peer-to-peer communication between terminals is supported without base station mediation, reducing RAN load. Multi-base station connectivity is enabled, allowing terminals to simultaneously transmit through multiple nodes and aggregate at the core network. The architecture supports real-time topology control, dynamic link adaptation, and transmission parameter adjustment based on physical-layer constraints.

An apparatus to facilitate lossless and lossy automatic hardware compression in graphics-to-graphics network links is disclosed. The apparatus includes compressor / decompressor circuitry (CDC) integrated with physical layer (PHY) intellectual property (IP) hardware circuitry for a graphics processor unit (GPU)-to-GPU communication link communicably coupling a first GPU to one or more other GPUs, the CDC to: receive a data message from the first GPU, wherein the data message is in an uncompressed format; determine that a compression process is to be applied to the data message; apply the compression process to the data message to generate a compressed data message; and cause a GPU link IP hardware circuitry that comprises the PHY IP hardware circuitry to transmit the compressed data message over the GPU-to-GPU communication link.

Communication devices and methods for opportunistic WLAN sensing are provided. One exemplary embodiment provides a first communication apparatus comprising a 10 receiver, which in operation, receives a first PPDU and a second PPDU, the first PPDU indicating PHY parameters for the first PPDU and the second PPDU indicating PHY parameters for the second PPDU; and circuitry, which in operation, determines whether the PHY parameters of the first and second PPDUs are to be used for sensing based on a comparison between the first and second PPDUs, and the PHY parameters 15 of the first and second PPDUs.

Embodiments of the present disclosure provide a method of communication in a base station (BS). The BS comprising a distributed unit (DU) and at least one radio unit (RU), said DU performs High-PHY processing and said RU performs low-PHY processing. The method comprises transmitting, by the DU, a control information to the at least one RU using at least one of a c-plane message and a m-plane message, and data using au-plane message. The u-plane message is transmitted in one of a semi persistent and periodic technique. The transmitting of the at least one of a c-plane message and am-plane message indicates the u-plane data as one of a semi persistent and a periodic, said transmitting is valid for the u-plane messages carrying the u-plane data for a predetermined time period.

A user equipment (UE), including a vehicle to everything (V2X) device, a pedestrian UE, or other UE, a baseband processor or other network device can operate to receive an indication of a sidelink (SL) discontinuous reception (DRX) parameter (e.g., an SL DRX active time) of a receiver UE for SL communication (e.g., Mode-2 SL communication). A resource selection procedure can be performed of a set of candidate resources within a resource selection window (RSW) based on the SL DRX parameter of the receiver UE so that at least a subset of candidate resources of the set of candidate resources satisfies a threshold to be within the SL DRX parameter of the receiver UE. A report of the set of candidate resources can then be transmitted from the physical (PHY) layer to a higher layer to enable the SL communication. The SL communication, for example, can include an autonomous determination of SL resources for a Mode-2 sidelink communication.

An embodiment of aspect 1 provides an user device, UE, for a wireless communication system, wherein the UE or a its transceiver is configured toreceive from a network node, e.g., gNB, at leasta channel state information, CSI, report configuration via a higher layer, e.g., radio resource control, RRC, layer,a configuration or indication via a PHY-layer, e.g., physical downlink control channel, PDCCH, signalling, and / or a higher layer signalling,perform measurement(s) on said at least one CSI-RS resource,compute one or more parameters related to a channel state information, CSI, and / or DL transmission rate and / or reliability associated with at least one of the P subsets of a CSI-RS resource, andtransmit a report to the network node via the PHY-layer or a higher layer.

The invention discloses a prototype verification method of a DDR4 controller in the technical field of chip verification, the method is applied to a prototype verification platform, a DDR controller and a PHY module in a chip to be verified are matched on the prototype verification platform, and the PHY module integrates a DFI to phy only interface module and a standalone PHY only block module through a python script; the prototype verification method comprises the steps that in response to a verification instruction received by a DDR controller, the DDR controller generates a control instruction according to the verification instruction and sends the control instruction to a DFI to phy only interface module; in response to the control instruction received by the DFI to phy only interface module, the DFI to phy only interface module converts the control instruction from a DFI protocol to a target control instruction of a PHY protocol, and sends the target control instruction to the standalone PHY only block module; in response to the control instruction received by the standalone PHY only block module, the standalone PHY only block module sends a target control instruction to a DDR particle externally connected with the prototype verification platform, so that read-write and verification with the DDR particle are realized; according to the method, the DDR memory interface IP prototype verification code coverage rate can be improved.

The invention provides a system and a method for verifying bifurcation characteristics of PCIe Switch, and relates to the technical field of PCIe. The forking characteristic verification system of the PCIe Switch comprises a DUT module, a first EP verification agent component, a second EP verification agent component, a first RC verification agent component, a second RC verification agent component, a first PHY verification agent component, a second PHY verification agent component and a configuration module. A configuration module, a first protocol comparator and a second protocol comparator, wherein the configuration module is used for configuring the bifurcation form of the uplink port and the downlink port and the behavior of each verification agent component; the first protocol comparator is used for verifying the bifurcation characteristic of the uplink port, and the second protocol comparator is used for synchronously verifying the bifurcation characteristic of the downlink port. The method has the advantages that the verification convergence speed is increased, and the verification rate is increased.

This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for physical layer security for passive Internet of Things (IoT) devices. In some aspects, a source device and a reader device may communicate via a passive wireless device, such as an IoT tag, which may reflect or backscatter signaling from the source device to the reader device. The source device, the reader device, and the passive wireless device may secure communication in a physical layer (PHY) in accordance with one or more PHY security keys. As such, the source device may transmit a first message to the passive wireless device in accordance with a first PHY security key and the passive wireless device may transmit a second message to the reader device in accordance with a second PHY security key to secure communication to and from the passive wireless device.

An Advanced Physical Layer (APL) adapter for enabling functional interconnection of a 2-wire APL spur to at least one industrial process legacy field device includes a first pair of terminals, APL physical layer (PHY) circuitry, a second pair of terminals and connectivity circuitry. The first pair of terminals is configured for connection to the 2-wire APL spur. The APL PHY circuitry is capacitively coupled to the first pair of terminals. The connectivity circuitry is configured to communicate with a legacy field device connected to the second pair of terminals in accordance with a legacy communication protocol and control the APL PHY circuitry to communicate through the first pair of terminals in accordance with an Ethernet protocol.

There is provided a method of operating an Open Radio Access Network (O-RAN) 5G Functional Application Platform Interface (FAPI) between an O-RAN distributed unit (O-DU) PHY (Layer-1 entity, L1), i.e., O-DU L1, and an O-DU MAC (Layer-2 entity, L2), i.e., O-DU L2. The method includes (a) sending, from the O-DU L2 to the O-DU L1, a message informing the O-DU L1 to perform a User Equipment (UE) correlation calculation, and on which Sounding Reference Signal (SRS) resources the correlation calculation needs to be conducted, (b) sending, from the O-DU L1 to the O-DU L2, a message containing correlation information of UEs served in a cell, and (c) sending, from the O-DU L1 to the O-DU L2, a message containing information of the SRS power, noise and interference of each UE served in the cell.

A plurality of pieces of error information can be efficiently read. A communication device that alternately transmits and receives information to and from a communication partner device within a period allocated by a TDD communication method includes: a PHY configured to receive a first transmission signal conforming to a predetermined communication protocol from the communication partner device, perform error correction for a plurality of first packets included in the first transmission signal, and transmit a second transmission signal to be transmitted to the communication partner device to the communication partner device; a LINK configured to separate the plurality of first packets, aggregate a plurality of second packets included in the second transmission signal, and transmits the aggregated second packets to the PHY; a plurality of decoders configured to decode the plurality of first packets; and a plurality of encoders configured to generate the plurality of second packets, in which the PHY includes an error information storage unit configured to store error information for each of the plurality of decoders and the plurality of encoders, and an operation, administration, and maintenance (OAM) unit configured to include the error information in one second packet of the plurality of second packets.

Described herein is a method and signaling for data transmission in a communication network, wherein semantic communication is admitted by the communication network, upon receiving a request for semantic communication service. Subsequently resource elements, RE, of the physical, PHY, layer and / or the media access control, MAC, layer of the standard protocol are selected for semantic communication and overloaded for semantic communication. The selected RE are associated to a semantic-data radio bearer, S-DRB. Therefore, the effects on the system can be limited while at the same time semantic communication can be achieved. Semantic communications therefore overloads (or substitutes) some of the standard functionalities while at the same time preserving compatibility with legacy services.

Various embodiments described herein provide for a read data strobe (RDQS) path having variation compensation (e.g., voltage and temperature compensation), delay lines, or both, where the RDQS path can be included by a physical (PHY) interface for a memory device, such as a Double Data Rate (DDR) Dynamic Random-Access Memory (DRAM) memory device.

A physical layer (PHY) that includes a Legacy Short Training Field (L-STF), a Legacy Long Training Field (L-LTF), a Legacy Signal Field (L-SIG), an Extremely High Throughput Signal A Field (EHT-SIG-A), an Extremely High Throughput Signal B Field (EHT-SIG-B) including a field of four or more bits indicating the number of Space-Time Streams, an EHT Short Training Field (EHT-STF), and an EHT Long Training Field (EHT-LTF) in this order is used.

The invention relates to memory error correction, in particular to an ECC check single-bit error correction system in a DDR (Double Data Rate), which comprises a DRAM (Dynamic Random Access Memory) scanner, periodically performs address read traversal operation on a DDR particle DRAM, timely finds a single-bit error of data in the DDR particle DRAM by inquiring an ECC check state in a DDR controller DDRC, and performs correction processing on the single-bit error, so that the error correction efficiency is improved. The error is prevented from being evolved into an uncorrectable multi-bit error; the DDR controller DDRC is used for converting the AXI interface signal into a corresponding DFI interface signal, outputting the DFI interface signal to a DDR physical layer DDR PHY, carrying out ECC verification on read-write data, and storing an ECC verification result to a register, so that a DRAM scanner inquires an ECC verification state; according to the technical scheme, the defects that in the prior art, the processing speed is low, data errors are not found in time, and more CPU resources are occupied can be effectively overcome.

This disclosure provides systems, methods, and apparatuses for wireless communication. An example apparatus selects a resource unit (RU) for a physical (PHY) layer convergence protocol (PLCP) protocol data unit (PPDU). The selected RU includes a set of contiguous tones spanning a bandwidth. The apparatus maps the set of contiguous tones to a set of non-contiguous tones distributed across the frequency spectrum, and transmits the PPDU over the set of non-contiguous tones. Another example apparatus selects an RU of a group of RUs that collectively span a frequency spectrum, and formats a PPDU based on a first frequency bandwidth wider than the selected RU's bandwidth. The apparatus parses the contiguous tones of the selected RU to a set of non-contiguous tones spanning a unique segment of a second frequency bandwidth wider than the first frequency bandwidth, and schedules a transmission of the PPDU over the set of non-contiguous tones.

Systems and techniques for dynamically assigning virtual access points (VAPs) to multiple basic service set identifier (MBSSID) sets are described. An example technique includes generating a set of VAPs, where each VAP of the set of VAPs has a non-configured state. A first VAP configuration is received and includes an indication of a physical (PHY) mode associated with the first VAP configuration. A first VAP of the set of VAPs is assigned to a first MBSSID set, based at least in part on the PHY mode. The first VAP is configured according to the first VAP configuration.

This disclosure describes systems, methods, and devices related to enhanced channel access. A device may send a Multi-User Request to Send (MU-RTS) frame on a basic service set (BSS) primary channel to an overlapping basic service set (OBSS). The device may receive a Clear to Send (CTS) frame in response to the MU-RTS frame on the BSS primary channel. The device may initiate a switch to a non-primary channel access (NPCA) primary channel upon detection of a physical (PHY) preamble. The device may maintain NPCA operation on the NPCA primary channel until a network allocation vector (NAV) expires. The device may announce a location and bandwidth of the NPCA primary channel to associated stations (STAs).

The invention provides a dynamic high-precision PTP (Precision Time Protocol) time synchronization system realized based on an FPGA (Field Programmable Gate Array), which comprises a master device and a slave device, and the master device and the slave device are connected through a PHY (Physical Layer) to carry out PTP time synchronization; the master device and the slave device have the same structure and comprise an FPGA and a voltage-controlled crystal oscillator; in the master device, the FPGA obtains the frequency difference and the phase difference between the master device and an externally input reference source, further adjusts the frequency of a voltage-controlled crystal oscillator, corrects a local time mark, and sends a PTP message to the slave device; and in the slave equipment, the FPGA obtains the frequency difference and the phase difference between the slave equipment and the master equipment based on the received PTP message, so that the frequency of the voltage-controlled crystal oscillator is adjusted, and the local time scale is corrected. According to the invention, low-cost and high-precision PTP time synchronization is realized.

Systems and methods for regaining phase synchronization between a CMTS core and an RPD, where the phase synchronization is regained over repeated temporal periods preferably divided between a first interval having a frequency adjustment of a first magnitude and a second interval having a frequency adjustment of a second magnitude.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) and network entity may determine a physical layer (PHY) signature for the network entity to include in one or more wake-up signals (WUSs) transmitted to the UE. The UE may use the determined PHY signature to validate a WUS received during a monitoring occasion. For example, the UE may compare a PHY signature of the received WUS to the determined PHY signature. If the PHY signature of the received WUS matches the determined PHY signature, the UE may wake up in accordance with the WUS. If the PHY signature of the received WUS does not match the determined PHY signature, the UE may remain in a sleep mode. The UE may transmit an indication of an adversarial attack based on the received WUS not including the determined PHY signature or including a different PHY signature.

A method includes: receiving, at a first layer of a protocol stack, multiple code blocks from a base station, the multiple code blocks is a portion of a transport block and is associated with an error rate; transmitting, to a second layer of the protocol stack, the multiple code blocks; and determining, at the second layer and based on the error rate, whether to (1) store the multiple code blocks in memory or (2) process the multiple code blocks. A method for saving power in a physical (PHY) layer-to-medium access (MAC) layer interface and a network device, and a system are also provided.

The invention provides a communication method, the communication method is applied to a terminal device, and the communication method comprises the following steps: receiving measurement configuration information from a network device, the measurement configuration information comprising an event triggering condition; the physical PHY layer measures a reference signal to be measured, determines that an event triggering condition is satisfied and sends first indication information to a medium access control (MAC) layer; and the MAC layer sends a measurement result to the network equipment through MAC layer signaling according to the first indication information. In the application, the PHY layer can measure the reference signal to be measured to determine the measurement result; the MAC layer can send the measurement result through MAC layer signaling (such as MAC CE), so that the network equipment can perform mobility management such as scheduling strategy updating or cell switching, beam switching and the like based on the measurement result. According to the method, the uplink resource occupation of the terminal equipment can be reduced while the measurement result is reported quickly and timely.

The invention discloses a financial auditing system based on artificial intelligence, which belongs to the technical field of artificial intelligence and comprises a heterogeneous data dynamic adaptation device, a trusted data pipeline system and a central auditing processing unit. The heterogeneous data dynamic adaptation device comprises a multi-protocol PHY chip set, an FPGA programmable logic array, a protocol sensing antenna array and an AI coprocessor. The protocol sensing antenna array is annularly arranged on the inner wall of the device shell and comprises at least 12 miniature receiving and transmitting modules with adjustable directions; a protocol reverse learning model is arranged in the AI coprocessor, and a protocol analysis scheme is dynamically generated by analyzing electromagnetic radiation characteristics of an interface. According to the financial auditing system based on artificial intelligence, real-time dynamic data adaptation and credible traceability of a cross-heterogeneous financial system can be achieved, the problems of format conflict, semantic ambiguity and transmission delay of multi-source heterogeneous data in the auditing process are solved, and meanwhile verifiability and non-tampering performance of the data extraction process are ensured.

Embodiments of the present disclosure provide a method of communication in a base station (BS). The BS comprising a distributed unit (DU) and at least one radio unit (RU), said DU performs High-PHY processing and said RU performs low-PHY processing. The method comprises transmitting, by the DU, a control information to the at least one RU using at least one of a c-plane message and a m-plane message, and data using au-plane message. The u-plane message is transmitted in one of a semi persistent and periodic technique. The transmitting of the at least one of a c-plane message and am-plane message indicates the u-plane data as one of a semi persistent and a periodic, said transmitting is valid for the u-plane messages carrying the u-plane data for a predetermined time period.

The invention discloses a circuit and chip for supporting core particle parallel physical links through a PIPE interface, and the circuit comprises a data processing module which is located between the PIPE interface and a parallel PHY group, and comprises a data packaging module and a data analysis module, the data packaging module is used for generating a receiving direction data signal on the PIPE interface from data from the PIPE interface, compressing and packaging the receiving direction data signal and transmitting the receiving direction data signal to the parallel PHY group; and the data analysis module is used for analyzing the data from the parallel PHY group, recovering and restoring the compressed data, and then transmitting the data to an upper layer through the PIPE interface so as to send the data to a core particle interconnection controller on the PIPE interface. The invention aims to solve the problem of how to drive and use a plurality of parallel physical interfaces to carry out data transmission through a PIPE interface of a core particle interconnection protocol interface compatible with a PIPE interface on a physical layer, and data transmission is carried out through the PIPE interface and the plurality of parallel physical interfaces.

The invention discloses network equipment and a communication method. The network equipment comprises an advanced physical layer APL port physical layer PHY and a hybrid interface circuit, the APL PHY is connected with the hybrid interface; the mixed interface is used for connecting instrument equipment; the hybrid interface circuit is connected with the hybrid interface; the hybrid interface circuit is compatible with a single-pair power over Ethernet (PoDL) mode, an analog input (AI) mode and an analog output (AO) mode; in the PoDL mode, the power supply supplies power to the instrument equipment; in the AI mode, the power supply supplies power to the hybrid interface; and in the AO mode, the voltage is converted into current corresponding to the control signal of the instrument equipment. According to the technical scheme, an interface of traditional instrument equipment can be compatible on the basis of APL communication.

This disclosure provides methods, components, devices and systems for signaling designs for unequal modulation and modulation and coding scheme (MCS) indication. Some aspects more specifically relate to user info field designs to support such an unequal modulation indication and / or an MCS indication, including designs for user info fields of multi-user (MU) physical layer (PHY) protocol data units (PPDUs) and of Trigger frames. In some examples, an access point (AP) may configure a user info field to include at least five bits for MCS signaling, which may enable the AP to uniquely identify an MCS from a set of greater than 16 MCSs. Additionally, or alternatively, the AP may configure a user info field to include a subfield indicative of a pattern of modulation schemes (such as an equal modulation or an unequal modulation) across a set of spatial streams allocated for communication between the AP and a station (STA).

Systems and methods are provided for using a 2.5D PHY and a 3D PHY for communications between a memory device and a host device. The memory device includes a 2.5D PHY for communications with the host device through a predefined communication interface and a 3D PHY for communications with the host device through a customized communication interface. The 2.5D PHY of the memory device is used for communications through the predefined communication interface when the customized communication interface is not available or undesired (e.g., during testing of the memory device).