Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

1715results about "Error prevention/detection by using return channel" patented technology

Method and device for transmitting signal in wireless communication system

This terminal for performing wireless communication in a wireless communication system may comprise: a communication module; and a processor for controlling the communication module, wherein the processor receives a physical sidelink shared channel (PSSCH), and transmits a physical sidelink feedback channel (PSFCH) including hybrid automatic repeat request-acknowledgement (HARQ-ACK) feedback information corresponding to the PSSCH, the PSFCH is transmitted in at least one resource block (RB) set, each RB set of the at least one RB set includes physical resource blocks (PRBs) of a first interlace structure and PRBs of a second interlace structure, first data is mapped to the PRBs of the first interlace structure, second data is mapped to the PRBs of the second interlace structure, the first data is the HARQ-ACK feedback information, and the first data and the second data are different from each other.
Owner:WILUS INSTITUTE OF STANDARDS & TECHNOLOGY INC

Method for LTM Mechanism Design

Methods, devices, and systems for providing early timing advance (TA) acquisition are provided. A radio resource control (RRC) configuration of the early TA acquisition is received from a base station. A PDCCH order to trigger a random access channel (RACH) procedure toward a candidate cell is received from the base station. The RACH procedure for the early TA acquisition is initiated based on the received RRC configuration and PDCCH order. A preamble with a calculated transmission power on the candidate cell is transmitted to the base station.
Owner:ZTE CORP

Communication method and related apparatus

A method includes: when a status report triggering condition and / or sending condition are / is met, sending a status report. In response to when a first variable of a first data packet is less than a first threshold, the status report includes negative acknowledgement NACK information of the first data packet; or in response to when a first variable of a first data packet is greater than or equal to a first threshold, the status report does not include NACK information of the first data packet. The first data packet is an unsuccessfully received data packet, and the first variable of the first data packet indicates a quantity of feedback times of the NACK information of the first data packet.
Owner:HUAWEI TECH CO LTD

Communication method, network device, and terminal device

This application provides a communication method. The method includes a first terminal device receiving first downlink data from a network device through a first link. Then, after decoding the first downlink data to obtain a first decoding result, the first terminal device sends first information to a second terminal device through a second link, where the first information includes first hybrid automatic repeat request acknowledgement (HARQ-ACK) information, and the first HARQ-ACK information indicates the first decoding result. The first link is a link between the first terminal device and the network device, and the second link is a link between the first terminal device and the second terminal device. The first terminal device feeds back HARQ-ACK information of downlink data to the second terminal device.
Owner:HUAWEI TECH CO LTD

OTA upgrading method and system for Bluetooth sound equipment

The invention relates to the technical field of wireless communication, in particular to an OTA upgrading method and system for Bluetooth sound equipment. The method comprises the following steps: acquiring to-be-upgraded firmware data and currently played audio data, and acquiring power amplifier current feedback data of a sound speaker by sending a double-frequency detection signal containing 21kHz and 22kHz; acquiring equipment transmission capability confirmation data according to a silent response mode of the sound equipment to the preset handshake signal; and calculating a nonlinear distortion coefficient of the loudspeaker according to the intensity of the 1kHz difference frequency component in the power amplifier current feedback data, and obtaining real-time channel evaluation data based on current waveform deviation analysis. According to the method, the nonlinear distortion degree of the loudspeaker is accurately evaluated through the 1kHz difference frequency component generated by the 21kHz and 22kHz dual-frequency detection signals, so that the reliability of data transmission is more accurately predicted.
Owner:深圳中成圣达科技有限公司

Random access message transmissions for reduced capability user equipment

A base station and a user equipment (UE) may exchange messages to perform a Random Access Channel (RACH) procedure. The UE performs measurements on a plurality of signal synchronization blocks (SSBs), selects M physical random access channel (PRACH) groups based on one or more of the measured SSBs satisfying a predetermined threshold, provides the measurements for the M PRACH groups to a base station in an initial access transmission for a RACH procedure and monitors for a random access response (RAR) message based on a repetition number for the RAR message indicated by the base station.
Owner:APPLE INC

Transmission method and apparatus, device, and storage medium

Embodiments of this application disclose a data transmission method and apparatus, a device, and a storage medium, and relate to the field of optical communication technologies. In a coherent optical transmission system with dual-polarization transmission and single-polarization reception, a transmit end sends a data frame including a subframe including reference pilot information, a data unit, and a corresponding redundant code, where a 1st subframe in each data frame includes more reference pilot symbols than other subframes. A receive end performs parameter adjustment on a correction function based on pilot information and the reference pilot information in the received data frame.
Owner:HUAWEI TECH CO LTD

Method and device for transmitting uplink control information

This application provides an uplink control information transmission method and a device, and relates to the field of communications technologies, to reduce an ACK / NACK feedback latency. The method includes: receiving, by a terminal, PDCCHs, where the PDCCH are used to schedule PDSCHs, and the PDCCHs include a first PDCCH set and a second PDCCH set; then, generating, by the terminal, a first codebook and a second codebook, where the first codebook corresponds to the first PDCCH set, the second codebook corresponds to the second PDCCH set, and the first PDCCH set and the second PDCCH set correspond to different values of codebook identification information of the PDCCHs; and finally, sending, by the terminal, the first codebook and / or the second codebook. This application is applicable to a process of feeding back an ACK / NACK.
Owner:HUAWEI TECH CO LTD

Data transmission method, terminal device and network device

A data transmission method, a terminal device and a network device are provided. The method includes: receiving PDSCH; determining a size of a semi-static HARQ-ACK codebook according to a number of repetition transmissions of the PDSCH; and performing a corresponding HARQ-ACK feedback for the PDSCH with repetition transmissions according to the determined size of the semi-static HARQ-ACK codebook.
Owner:DATANG MOBILE COMM EQUIP CO LTD

Industrial automation with 5G and beyond

Techniques for enhancing performance in Industrial Internet-of-Things (IIoT) scenarios, including techniques for time-sensitive networking (TSN) and 5G wireless network integration. An example method, performed by a wireless device, comprises receiving system information (SI) from a radio base station (RBS) of a radio access network (RAN), the SI being indicative of support for TSN through the RBS, and establishing at least one TSN stream with an external data network, through the RBS. The example method further includes receiving a first timing signal from the wireless communications network, via the RBS, receiving a second timing signal from the external TSN data network to which the wireless device is connected, comparing the first timing signal to the second timing signal to determine an offset, and transmitting the offset to the wireless communications network.
Owner:TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Uplink signal control

A base station may cancel or delay (e.g., pre-empt) a transmission from a wireless device by sending a pre-emption indication to the wireless device. Based on receiving the pre-emption indication, the wireless device may cancel the transmission, store an indication associated with the cancelled transmission, and / or store the cancelled transmission in a data buffer. The base station may request transmission of the data unit (e.g., at a later time) by transmitting another indication.
Owner:COMCAST CABLE COMM LLC

Low-delay high-reliability wireless communication method and system, medium and product

The invention discloses a low-delay and high-reliability wireless communication method and system, a medium and a product, and relates to the field of industrial information and data processing.The method comprises the steps that when an industrial control data packet with a priority processing identifier is received, MAC address table look-up operation is executed on the industrial control data packet, and a priority data packet containing a target address identifier is generated; constructing a data transmission path forwarding by bypassing the network bridge according to the target address identifier of the priority data packet; transmitting the priority data packet to a Wi-Fi driving layer through the data transmission path, so as to write the priority data packet to a hardware sending queue, and generating a sending data packet containing a time sequence identifier; determining a periodic transmission time window synchronized with the industrial control period according to the time sequence identifier of the sent data packet; and detecting a channel state index in the transmission time window, generating a retransmission control parameter according to the channel state index, and executing a data packet transmission operation according to the retransmission control parameter. According to the invention, the processing time delay of wireless communication can be reduced.
Owner:NANJING MAXON OE TECH CO LTD

PPDU Extension

A first station (STA) receives from a second STA, while transmitting a first frame to the second STA, a second frame indicating a payload unit, of the first frame, received in error by the second STA. The first STA transmits to the second STA, an extension of the first frame comprising the payload unit received in error by the second STA.
Owner:OFINNO LLC

Method and apparatus for radio link failure prediction in wireless communication system

The disclosure relates to a fifth generation (5G) or sixth generation (6G) communication system for supporting a higher data transmission rate. A method of a terminal connected to a first node and a second node in a dual connectivity environment is provided. The method includes performing a radio link failure (RLF) prediction of the second node, transmitting, to at least one of the first node or the second node, a failure prediction report based on the RLF prediction, and performing, by a packet data convergence protocol (PDCP) entity based on the RLF prediction, PDCP pre-recovery including at least one of stopping uplink PDCP packet data unit (PDU) splitting to a radio link control (RLC) entity related to the second node for a split bearer, or retransmitting unacknowledged uplink PDCP data PDU previously submitted to an acknowledged mode (AM) RLC entity related to the second node for which successful delivery has not been confirmed by the AM RLC entity.
Owner:SAMSUNG ELECTRONICS CO LTD

Time encoded data communication protocol, apparatus and method for generating and receiving a data signal

An apparatus for generating a data signal comprises a processing circuit configured to generate the data signal, the data signal comprising a sequence of a first signal edge of a first type, a second signal edge of a second type, and a third signal edge of the first type, the first signal edge and the second signal edge being separated by a first time period corresponding to first data to be transmitted, and the second signal edge and the third signal edge being separated by a second time period corresponding to second data to be transmitted. An output interface circuit is configured to output the data signal.
Owner:INTEL CORP

Joint HARQ / ARQ feedback for earlier RLC ARQ retransmission

Example embodiments of the present disclosure are directed to a joint feedback for data packets retransmission. A method includes receiving, from a network device, a request for a first retransmission of a second data packet from a first protocol layer of the terminal device, during a second retransmission of the second data packet from a second protocol layer of the terminal device; and in response to receiving the request for the first retransmission of the second data packet, performing the first retransmission of the second data packet from the first protocol layer of the terminal device to the network device.
Owner:NOKIA TECHNOLOGIES OY

Configuration aspects of channels and signals in subband full duplexing scenario

Disclosed is a device such as a user equipment, UE, for operating in a wireless communication network. The device is adapted to determine a resource allocation allocating resources of the wireless communication network and to use the allocated the resources based on whether the resources are within a subband full duplex. SBFD, time-frequency occasion.
Owner:FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV

Random access method and device

A random access method, which is performed by a terminal, includes: determining that contention resolution is unsuccessful or not considering the contention resolution is unsuccessful, in a case where a contention resolution timer expires and a first condition is satisfied during a contention-based random access.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Hybrid automatic repeat request codebook design for a sidelink

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may receive, from a second UE via a sidelink interface, a triggering signal associated with triggering hybrid automatic repeat request (HARQ) feedback for a sidelink. The UE may transmit, to the second UE and based at least in part on the triggering signal, HARQ feedback associated with the second UE. Numerous other aspects are provided.
Owner:QUALCOMM INC

Method and apparatus for transmitting and receiving uplink control information in wireless communication system

Disclosed are a method and apparatus for transmitting and receiving uplink control information in a wireless communication system. The method performed by a terminal in the wireless communication system, according to an embodiment of the present disclosure, may comprise the steps of: receiving first information about a first period where cell-related DTX is deactivated and a second period where the cell-related DTX is activated; receiving second information for activating transmission of one or more SPS PDSCHs; and transmitting HARQ-ACK information for the one or more SPS PDSCHs on the basis of the first information and the second information. Here, on the basis that a first SPS PDSCH is included in the second period, first HARQ-ACK information about the first SPS PDSCH may be included in the HARQ-ACK information, and on the basis that a second SPS PDSCH overlaps the first period, second HARQ-ACK information about the second SPS PDSCH may be excluded from the HARQ-ACK information.
Owner:LG ELECTRONICS INC

Random access method, and electronic device and storage medium

Disclosed is a random access method. The method includes: determining, by a terminal device, a starting time moment of a contention resolution timer according to a time of Msg3 transmission repetitions.
Owner:GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD

Coroutine-driven multi-strategy APP behavior collection event reporting system

The invention relates to the technical field of computer application, in particular to a coroutine-driven multi-strategy APP behavior collection event reporting system. Comprising a management center, and the management center is in communication connection with a system configuration module, an event coroutine module, an event uploading module and a collection retransmission module. The method comprises the following steps: collecting equipment information data and user identity information, initializing the collected equipment information data and the user identity information, obtaining configuration data, and establishing a start burying point through the configuration data; establishing a communication link according to the starting burying point; analyzing the obtained use behavior of the APP user to obtain an APP behavior collection sub-event; processing the APP behavior collection sub-event through a coroutine unit to obtain a sub-event data packet, uploading the sub-event data packet, and generating a data uploading completion signal and a data uploading failure signal; and retransmitting the sub-event data packet through the data uploading completion signal and the data uploading failure signal. The data loss rate can be reduced.
Owner:SHANGHAI JIAJIAN SOFTWARE CO LTD

Ocean power and biochemical element observation system aiming at different observation requirements

The invention relates to the technical field of ocean observation, in particular to an ocean power and biochemical element observation system aiming at different observation requirements, which comprises a submersible specimen body, an intelligent sensing module, a multi-mode communication module, a multi-element observation module and a main control module, the technical problems that an existing observation system is incomplete in communication architecture, lack of intelligent perception, insufficient in multi-element synchronization, low in data transmission reliability and poor in adaptability are solved, and full-water-depth, multi-scene and high-precision ocean power and biochemical element collaborative observation is achieved.
Owner:INST OF OCEANOLOGY - CHINESE ACAD OF SCI

Methods and apparatus for channel occupancy time sharing in sidelink communication

Aspects of the present disclosure include methods, apparatuses, and computer readable media for receiving sidelink information from a first transmitting UE, receiving channel occupancy time (COT) system information (COT-SI) associated with a second transmitting UE, identifying one or more COT resources based on the COT-SI, and transmitting feedback information associated with the sidelink information via the one or more COT resources.
Owner:QUALCOMM INC

RO design for prach repetition

A method for wireless communication at a user equipment (UE) and related apparatus are provided. In the method, the UE receives, from a network entity, a random access occasion (RO) configuration for an RO bundle. The RO bundle includes a first number of ROs over a time range, and each RO of the first number of ROs occupies a first frequency range. The UE further transmits, using the RO bundle, a set of physical random access channel (PRACH) repetitions. The set of PRACH repetitions includes one or more preambles. The number of repetitions in the set of PRACH repetitions is less than or equal to the first number of ROs in the RO bundle, and each PRACH transmission uses one RO of the first number of ROs.
Owner:QUALCOMM INC

Communication method and communication apparatus

A communication method includes sending first channel state information (CSI) feedback information to a network device. The communication method also includes receiving first indication information from the network device. The communication method further includes sending one or more pieces of CSI feedback information to the network device based on the first indication information. The one or more pieces of CSI feedback information include the first CSI feedback information.
Owner:HUAWEI TECH CO LTD

Method and device for hybrid automatic repeat request in multiple connection environment

The present disclosure discloses a method and a device for providing a hybrid automatic repeat request (HARQ) in a non-terrestrial network (NTN)-TN multiple connection environment. A method of a base station, according to one embodiment of the present disclosure, may comprise the steps of: transmitting data to a terminal in a dual connectivity (DC) state, via a NTN and a base station; and receiving an uplink channel including first HARQ feedback information corresponding to the data transmitted to the terminal, and second HARQ feedback information corresponding to the data transmitted via the NTN.
Owner:HYUNDAI MOTOR CO LTD +2

Method and apparatus of supporting physical uplink control channel (PUCCH) repetition

Embodiments of the present application are related to a method and apparatus of supporting physical uplink control channel (PUCCH) repetition. According an embodiment of the present application, an exemplary method includes: receiving a first signaling indicating a first repetition number for a PUCCH resource; determining a second repetition number equal to or smaller than the first repetition number based on the first repetition number; determining time-frequency domain resources for each repetition of the PUCCH resource; and transmitting the PUCCH resource with the second repetition number based on the determined time-frequency domain resources.
Owner:LENOVO (BEIJING) LTD

Communication Method and Apparatus, and Storage Medium

A communication method includes a terminal that receives first configuration information from a network device, where the first configuration information may include discontinuous reception (DRX) configuration information of a first cell, and the DRX configuration information of the first cell indicates DRX non-active time of the first cell. If the terminal is within the DRX non-active time of the first cell when needing to send first information, the terminal may not be constrained by DRX of the first cell, and the terminal may send, in the first cell, the first information within the DRX non-active time of the first cell, where the first information includes hybrid automatic repeat request-acknowledgment (HARQ-ACK) information and / or a scheduling request (SR).
Owner:HUAWEI TECH CO LTD