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

590results about "Receiver specific arrangements" patented technology

Method and device for monitoring signals in wireless communication system

A method and device for monitoring signals in a wireless communication system disclosed in the present application can monitor a PDCCH candidate for a DCI format on the basis of a search space set configuration. The DCI format is monitored on a scheduling cell and schedules PDSCHs or PUSCHs on a plurality of scheduled cells.
Owner:LG ELECTRONICS INC

Techniques for providing channel quality feedback for enhanced reliability in wireless communications

Aspects of the present disclosure provide techniques for communicating channel state information (CSI) reports. In some aspects, downlink resources can be monitored for reception of downlink signaling, a CSI report can be generated based on the reception of the downlink signaling, where the CSI report indicates CSI for each of multiple sub-bands of the downlink resources, and the CSI report can be transmitted with hybrid automatic repeat request (HARQ) acknowledgement or negative acknowledgement (ACK / NACK) feedback associated with the downlink signaling to facilitate retransmission with improved block error rate (BLER). In some aspects, a base station receiving the CSI report, or otherwise based on uplink signals, can determine transmission parameters for retransmission to facilitate the improved BLER.
Owner:QUALCOMM INC

Interrupted transmission in control channel repetition

A wireless device may receive a physical downlink control channel (PDCCH) with first downlink control information (DCI) scheduling an uplink transmission. The wireless device may receive, via at least one PDCCH monitoring occasion of PDCCH monitoring occasions, a repetition of second DCI that indicates cancelation of one or more symbols of the uplink transmission. The wireless device may cancel the one or more symbols of the uplink transmission based on a last symbol of the PDCCH reception with the first DCI being earlier than a starting symbol of the PDCCH monitoring occasions.
Owner:OFINNO LLC

Semantic communication method and system, electronic equipment and computer readable storage medium

The invention provides a semantic communication method and system, electronic equipment and a computer readable storage medium, and relates to the field of communication, in particular to the field of semantic communication and artificial intelligence. According to the specific implementation scheme, the method comprises the steps of inputting information source data into a pre-trained semantic encoder for semantic encoding, obtaining information source semantic features of the information source data, mapping the information source semantic features to a target codebook, and generating an information source index vector; transmitting the information source index vector from the transmitting end to the receiving end through the communication channel, and obtaining a channel index vector; obtaining a channel semantic feature according to the target codebook and the channel index vector, inputting the channel semantic feature into a pre-trained semantic decoder for semantic decoding, and generating reconstruction data; wherein the target codebook is determined according to the signal quality of the communication channel and an initial codebook; the initial codebook is obtained through joint training with the semantic encoder and the semantic decoder.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Method for processing delay for PDCCH repetitions

Disclosed are methods and apparatus to process delay for PDCCH repetition. A transmission of a physical downlink control channel (PDCCH) repetition may be monitored. A multiplexing pattern of the PDCCH repetition and a physical downlink shared channel (PDSCH) within an overlapping symbol may be determined. A processing delay for a decoding of the PDCCH repetition, a decoding of the scheduled PDSCH, and an acknowledgement (ACK) preparation based on the multiplexing pattern of the PDCCH repetition and the PDSCH within the overlapping symbol may be determined. The PDSCH may be monitored after receiving the PDCCH repetition.
Owner:APPLE INC

Dynamic processing time and dynamic blind decoding capability for NR user devices

A user device, UE, for a wireless communication system, is to process a transmission received at the UE (PDSCH or PSSCH) or to be prepared by the UE (PUSCH) within a first processing time. Responsive to one or more criteria, the UE is to switch from the first processing time to a second processing time to be used to process a transmission received at the UE or to be transmitted from the UE.
Owner:FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV

Communication method and communications apparatus

This application provides a communication method and a communications apparatus. A terminal may perform, based on first configuration information for a maximum of a first quantity of times, blind detection at PDCCH candidate locations configured by a network device for a first CORESET group. In comparison with a solution, in the conventional technology, in which the terminal blindly detects a PDCCH for all CORESETs in a target cell for a maximum of the first quantity of times, blind detection is performed for a CORESET corresponding to each TRP for a larger quantity of times. Therefore, scheduling flexibility can be improved.
Owner:HUAWEI TECH CO LTD

SOCKET communication receiving method for variable-length data packets

The invention discloses a SOCKET communication receiving method for variable-length data packets, which relates to the technical field of computer network data transmission, and comprises the following steps of: establishing a user-defined communication protocol containing a length field, a number field and a CRC-32 checksum field, and matching with a dynamic management mechanism of a double linked list segmented buffer area of a receiving end, so that the data packets with different lengths can be received. According to the method and the device provided by the invention, the efficient receiving of the variable-length data packet is realized, a receiving end predicts the buffer extension amount through a sliding window historical array, and the problems of memory waste, data loss, packet sticking, disorder and the like caused by a traditional fixed buffer are solved by combining incremental CRC-32 verification and segmentation-level accurate retransmission, so that the memory utilization rate and the data transmission integrity are improved.
Owner:TRUTH EQUIP CO LTD

A communication signal detection and recognition method based on improved YOLOv5

The present invention discloses a communication signal detection and recognition method based on improved YOLOv5. The method uses a lightweight improved YOLOv5, that is, a lightweight structure is used in the backbone network to reduce the amount of calculation, and the recognition ability is enhanced by combining a targeted scale feature fusion module and a feature attention module. The real-time recognition and extraction of features such as the existence, bandwidth, carrier frequency, duration and modulation mode of the communication signal can be achieved through the signal time-frequency diagram. The method proposes a signal detection and recognition scheme that can realize a series of functions such as signal acquisition, processing, training, real-time detection and recognition, and is easy to migrate and deploy as a whole. The present invention has high recognition performance in real-time detection and recognition of multiple parameters of communication signals, and has low difficulty in application and deployment in various terminal devices.
Owner:SOUTHEAST UNIV

Component carrier activation and deactivation using resource assignments

A communication method includes transmitting resource assignment information including bits that indicate activation or deactivation statuses of respective downlink component carriers, which are secondary downlink component carriers added to a primary component carrier which is always activated, each of the downlink component carriers corresponding to one bit included in bits, and the one bit indicating that a corresponding downlink component carrier is to be activated or deactivated. When any one bit of the bits indicates that its corresponding downlink component carrier is to be activated, the bits jointly indicate the activation or deactivation statuses, a sounding reference signal (SRS) transmission request and a channel quality information (CQI) reporting request. The method also includes receiving a SRS and a CQI that are transmitted, in response to the SRS transmission request and the CQI reporting request, on an uplink component carrier linked to an activated downlink component carrier(s).
Owner:SUN PATENT TRUST

Communication method, device and storage medium

Embodiments of the present application provide a communication method, apparatus, and storage medium relating to the field of communications. The method includes: a terminal device receiving first information from a network device, the first information being used to indicate transmission direction information and / or service load information; and the terminal device receiving downlink control information (DCI) from the network device based on the first information. Using the first information, the network device can configure a DCI transmission method based on the characteristics of the terminal device's service to be transmitted, thereby reducing the terminal device's blind detection complexity for DCI of different formats and types, reducing the terminal device's energy consumption, and improving the communication efficiency of the communication system.
Owner:HUAWEI TECH CO LTD

Method and apparatus for determining processing time of UE in wireless communication system

The disclosure relates to converging a 5G communication system for supporting higher data rates beyond a 4G system with a technology for IoT, and may be applied to intelligent services based on the 5G communication technology and IoT-related technology. A method is provided, which improves coverage of a PDCCH in a wireless communication system and a method of repeatedly transmitting the PDCCH. When a PDCCH is repeatedly transmitted, a method is provided for determining a PDSCH processing time and a PUSCH preparation time considered by a UE is provided, and thus, a more efficient communication system can be implemented.
Owner:SAMSUNG ELECTRONICS CO LTD

Overbooking handling for a multi-stage downlink control information (DCI) transmission

An apparatus for wireless communication by a user equipment (UE) includes a transmitter and a receiver. The receiver is configured to receive a first downlink control information (DCI) message associated with a first stage of a multi-stage DCI transmission and to receive a second DCI message associated with a second stage of the multi-stage DCI transmission. The multi-stage DCI transmission is associated with an overbooking restriction indicating a maximum quantity of blind decode operations associated with one or more stages of the multi-stage DCI transmission.
Owner:QUALCOMM INC

Methods and apparatuses for determining control resource set (coreset) #0

A method for determining a control resource set CORESET #0, performed by a first terminal, includes: determining frequency domain resources of a CORESET #0 of the first terminal within a channel bandwidth supported by the first terminal; receiving indication information sent by a network device; and determining at least one of a numeric count of frequency domain resources or a numeric count of time domain resources corresponding to the CORESET #0 of the first terminal according to the indication information and a first preset value.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Method and device for repetitive transmission / reception of downlink control information in wireless communication system

A method and device for repetitive transmission / reception of downlink control information in a wireless communication system is disclosed, the method performed by a user equipment (UE) in the wireless communication system comprises transmitting, to a base station, first information related to physical downlink control channel (PDCCH) repetition transmission, the first information including second information associated with a number of blind decoding times of PDCCH candidates, receiving, from the base station, configuration information on a control resource set and a search space configured for PDCCH transmission, and receiving, from the base station, control information on a first PDCCH and a second PDCCH based on the first information and the configuration information, the second PDCCH being a repetition of the first PDCCH.
Owner:SAMSUNG ELECTRONICS CO LTD

Methods and devices for reducing UE energy consumption

A method is disclosed herein for reducing energy consumption in a wireless device. A wireless device (e.g., a user equipment) can provide an indication to a network node (e.g., a base station) to indicate that the wireless device will prioritize energy consumption reduction over some network requirements (e.g., latency and / or scheduling flexibility requirements). Accordingly, the wireless device can perform certain power-saving actions to reduce energy consumption. The network node, upon receiving the indication from the wireless device, can perform certain network-related actions to assist the wireless device in reducing energy consumption. As a result, it is possible for the wireless device to reduce energy consumption and complexity, thus helping to prolong battery life in the wireless device.
Owner:TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Communication method and communication device

An embodiment of the present application provides a communication method and a communication device. The communication method includes: a terminal device receives a first parameter and a second parameter sent by a network device, the terminal device determines an initial slot for transmitting a physical uplink shared channel PUSCH with a configured grant according to the first parameter and the second parameter, and the terminal device performs transmitting the PUSCH with the configured grant according to the initial slot. The first parameter and the second parameter are any two of the following parameters: a quantity P of available slots in a configured grant periodicity, a quantity K of repetitions in a configured grant periodicity, and a quantity N of available slots in each repetition, where N is an integer equal to or greater than 2, and one transport block cyclic redundancy check code is carried in each repetition. This technical solution can reduce the complexity of the blind detection performed by the network device to a certain extent.
Owner:HUAWEI TECH CO LTD

Puncturing scheme for spinal codes

Methods, systems, and devices for wireless communications are described. A user equipment (UE), may receive, from a network entity, an indication of a puncturing scheme for a spinal coding scheme based on a capability of the UE, where the puncturing scheme indicates a puncturing distribution for one or more symbols of one or more spines of the spinal coding scheme. The UE may receive a message encoded by the network entity according to the spinal coding scheme associated with the puncturing scheme. The UE may decode the message encoded according to the spinal coding scheme to obtain one or more message segments corresponding to the one or more symbols and to the one or more spines based on the puncturing distribution of the puncturing scheme.
Owner:QUALCOMM INC

Life cycle management of a receiver with an artificial intelligence receiver module

A management system may receive a wireless signal transmitted to a receiver. The management system may determine, based on the wireless signal or a set of decoded bits associated with the wireless signal that were determined using an artificial intelligence (AI) receiver module of the receiver, whether a cyclic redundancy check (CRC) associated with the wireless signal is passed. The management system may perform, based on determining whether the CRC associated with the wireless signal is passed, at least one of: a data storage operation associated with the wireless signal, a fallback operation associated with the wireless signal, or an online label recovery operation associated with the wireless signal. The management system may perform, based on determining whether the CRC associated with the wireless signal is passed, a model modification operation to update a neural network (NN) of the AI receiver module of the receiver.
Owner:VIAVI SOLUTIONS INC(US)

Anti-high dynamic Doppler low signal-to-noise ratio satellite signal blind detection method

The invention discloses an anti-high dynamic Doppler low signal-to-noise ratio satellite signal blind detection method, which comprises the following steps of: performing frequency domain analysis on a delay correlation signal according to a signal symbol rate, and dividing a signal band and a noise band near the delay correlation signal to construct a detection quantity to perform constant false alarm rate (CFAR) detection; and finally, obtaining a final signal existence or disappearance result through time consistency judgment. According to the method disclosed by the invention, the analytic CFAR threshold and the state machine smoothing are combined, and the problem of detection failure in a low signal-to-noise ratio and high dynamic Doppler environment in the prior art is solved.
Owner:XIDIAN UNIV

Vehicle and procedures for in-vehicle communication

Vehicle (100), comprising: a sending control unit (110-T) configured to send a message; a receiving control unit (110-R) configured to receive the message; one or more switches (120) configured to forward the message from the sending control unit (110-T) to the receiving control unit (110-R), wherein the sending control unit (110-T) and each of the one or more switches (120) include an output port for transmitting the message; and a processor configured to perform limited timing analysis to determine a total wait time w k during the transmission of the message from the sending control unit (110-T) to the receiving control unit (110-R) as a sum of all output port wait times w i,jto determine at all outgoing ports to which the message encounters, taking measures to avoid or mitigate the total waiting time w k during transmission a time limit for the message is exceeded, and the limited timing analysis includes performing an iterative process and determining a lower bound (LB), an upper bound (UB), and a median value.
Owner:GM GLOBAL TECHNOLOGY OPERATIONS LLC

Blind detection method of pdcch candidate, user equipment, electronic device and storage medium

Embodiments of the present application provide a blind detection method of a physical downlink control channel (PDCCH) candidate, a user equipment, an electronic device and a storage medium. The method comprises: determining a resource position of a serving cell used for transmitting a PDCCH candidate corresponding to a primary cell (PCell), wherein the serving cell comprises the PCell and / or a secondary cell (SCell); and blindly detecting the PDCCH candidate corresponding to the PCell on the determined resource position of the serving cell. According to the scheme of the embodiments of the present application, the allocation of resources occupied by the PDCCH can be more reasonable and effective in a carrier aggregation system.
Owner:BEIJING SAMSUNG TELECOM R&D CENT +1

Methods and apparatuses for determining control resource set (coreset) .0

Disclosed in the embodiments of the present application are a method and apparatus for determining a CORESET#0, which can be applied to a communication system. The method comprises: according to a channel bandwidth, which is supported by a first terminal device, and / or a network indication, determining a CORESET#0 of the first terminal device. By means of implementing the embodiments of the present application, a first terminal device can use a determined CORESET#0, which can then support reception of a PDCCH by the first terminal device over as many CORESET resources as possible, so as to enhance the coverage of a channel, thereby improving the reception performance the PDCCH.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Channel state information processing and reporting

Apparatuses, methods, and systems are disclosed for channel state information processing and reporting. One method (700) includes determining (705), at a user equipment ("UE"), an availability of channel state information ("CSI") processing units on a sub-symbol level where a duration of the sub-symbol being less than a symbol duration that corresponds to a subcarrier spacing of an uplink ("UL") channel for transmission of at least one corresponding CSI report. The method (700) includes processing (710) the at least one corresponding CSI report on the determined available CSI processing units in response to a number of CSI processing units becoming available at the sub-symbol level being equal to or greater than a number of CSI processing units needed for processing the at least one corresponding CSI report.
Owner:LENOVO (SINGAPORE) PTE LTD

Communication method and apparatus

Embodiments of this application provide a communication method and a communication apparatus. The method includes: a first communication apparatus may design a frame structure parameter based on a multipath performance requirement by using an additional control channel, to specifically determine a length of a subframe, a quantity of slots in the subframe, and a quantity of first-type symbols and a quantity of second-type symbols in the subframe. A 18t symbol in the first-type symbols corresponds to a first cyclic prefix, and a symbol in the second-type symbols corresponds to a second cyclic prefix. Therefore, CP redundancy can be reduced, control channel overheads and blind detection overheads of a user can be reduced, network resource scheduling flexibility can be improved, and system efficiency can be improved.
Owner:HUAWEI TECH CO LTD

Attention-based communication signal receiving method, apparatus, device, and medium

This application relates to a communication signal receiving method, apparatus, device, and medium based on an attention mechanism. The method includes: constructing and training a multi-source coupled signal separation network consisting of an end-to-end encoder-separation module-decoder. In the network, the encoder first maps short-time overlapping segments in a mixed signal into high-dimensional feature representations, which are then concatenated along the time axis to form a mixed signal feature vector. Next, based on the attention mechanism process modeled by the separation module, a mask of the target signal is extracted from the mixed signal feature vector, and the target signal feature representation is separated using the mask. Finally, the decoder receives the target signal feature representation, reconstructs it segment by segment, and outputs the complete target signal by overlapping and superimposing the reconstructed signal segments. This application enables efficient and accurate reconstruction of target signals in complex electromagnetic environments, achieving accurate reception of communication signals and enhancing the robustness of the communication system.
Owner:NAT UNIV OF DEFENSE TECH

Methods and apparatuses for multi-TRP transmission

A method performed by a User Equipment (UE) is provided. The method includes receiving Transmission / Reception Point (TRP) information from a Base Station (BS), and communicating with a plurality of TRPs based on the TRP information, where the TRP information identifies a correspondence between the plurality of TRPs and a plurality of Downlink (DL) Reference Signal (RS) resources, and where the TRP information includes at least one of a plurality of TRP Identifiers (IDs), a plurality of Control Resource Set (CORESET) IDs, or a TRP mapping table including a plurality of TRP indices and a plurality of DL RS resource indices.
Owner:HANNIBAL IP LLC

Radio device, method to operate a radio device

A method to operate a transmitting radio device of a radio communications network is provided, wherein the method comprises: transmitting (102), towards a receiving radio device, first data according to a first transmit mode; determining (104) a last reception time when a positive acknowledgment was received from the receiving radio device, the positive acknowledgement indicating a successful reception of the transmitted first data at the side of the receiving radio device; and transmitting (106), towards the receiving radio device, second data according to a second transmit mode, wherein the second transmit mode is activated upon expiry of a first transmit mode time period since the determined last reception time.
Owner:ROBERT BOSCH GMBH