1893results about "Site diversity" patented technology

Disclosed are a signal receiving method, a signal sending method, a device and storage medium. The signal receiving method comprises: in response to N control channels at a same time instance colliding, determining a priority of a quasi-co-location reference signal set of the N control channels according to a resource index of a control channel resource where each control channel of the N control channels is located and a feature of each control channel of the N control channels, wherein N is an integer greater than or equal to 2, the feature of each control channel indicates whether the control channel is a shared control channel or a dedicated control channel; and receiving one or more of the N control channels according to the determined priority of the quasi co-located reference signal set.

The present disclosure relates to a communication scheme and a system for combining an IoT technology with a 5G communication system for supporting a higher data transfer rate than a 4G system. The present disclosure may be applied to intelligent services (e.g., smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail business, and security- and safety-related services) on the basis of a 5G communication technology and an IoT-related technology. The present disclosure proposes a method and an apparatus for beam failure recovery. An embodiment of the present disclosure provides a method of a terminal in a wireless communication system. The method of the terminal comprises the steps of: obtaining information on at least one reference signal for beam failure detection; identifying whether a beam failure is detected for each of a first reference signal set and a second reference signal set included in the at least one reference signal; and if a beam failure is detected for at least one of the first reference signal set and the second reference signal set, performing a beam failure recovery procedure for the reference signal set in which the beam failure is detected, wherein the first reference signal set is related to a first control resource set (CORESET) pool, and the second reference signal set is related to a second CORESET pool.

Proposed are a method and apparatus for performing an OBSS sounding procedure in a wireless LAN system. Specifically, a receiving STA receives a first trigger frame from a first transmitting STA. The receiving STA receives an NDPA frame from a second transmitting STA. The receiving STA receives an NDP frame from the second transmitting STA. On the basis of the NDPA frame and NDP frame, the receiving STA transmits a feedback frame to the first or second transmitting STA. The first trigger frame contains information about an OAID. The OAID is information for the second transmitting STA to identify the receiving STA. The NDPA frame, NDP frame, and feedback frame are transmitted and received on the basis of the OAID.

Provided is a communication system with low latency and high reliability, etc. Even after transitioning from RRC_CONNECTED to RRC_INACTIVE, a communication terminal device maintains secondary base station configuration information on configuring a secondary base station. Even when at least one of a master base station and a secondary base station is changed during the RRC_INACTIVE, the communication terminal device maintains the secondary base station configuration information. The communication terminal device again transitions to the RRC_CONNECTED using the maintained secondary base station configuration information.

A method for managing spectrum allocation in a heterogeneous wireless communication network includes employing artificial intelligence (AI) to predict interference between users and services; andadjusting spectrum allocations for users and services in the network based on the interference predictions to minimize interference.

A wireless communication method and a device are provided. A first access point multi-link device (AP MLD) sends or receives a multi-AP MLD sounding announce frame. The multi-AP MLD sounding announce frame indicates at least one of: a sequence in which a plurality of AP MLDs perform channel sounding, a time at which the plurality of AP MLDs perform channel sounding, information of links used for the plurality of AP MLDs to perform channel sounding, information of a frequency band used for the plurality of AP MLDs to perform channel sounding, or information of a channel corresponding to the links and / or the frequency band used for the plu

Apparatuses, methods, and systems are disclosed for channel state information reporting for multiple transmit / receive points. One apparatus includes a transceiver that receives an indication from a mobile wireless communication net-work that channel state information (“CSI”) corresponding to multiple transmit / receives points (“TRPs”) is to be reported and a processor that generates at least one CSI report according to the CSI reporting configuration, the at least one CSI report comprising a CSI-reference signal (“CSI-RS”) resource indicator (“CRI”), wherein the transceiver reports the at least one CSI report comprising the CRI to the mobile wireless communication network.

A communication device comprising a control unit that generates low latency traffic information relating to multi-AP coordinated transmission and a wireless transmission unit that transmits the generated low latency traffic information.

One embodiment is a system having a master unit coupled to first and second base station sources having different OTA frame boundary timings, where an access point coupled to the master unit receives fronthaul data for the first and second base station sources, determines a common OTA frame boundary timing, and aligns OTA symbols and frames for the first and second base station sources to the common OTA frame boundary timing. Another embodiment is a system having a base station synchronized with a timing grandmaster and a master unit, synchronized with the timing grandmaster, coupled to the base station. The master unit determines the time of day using the synchronization, identifies a system frame and subframe number using the time of day, acquires configuration information for communications with the base station using the system frame and subframe number, and identifies frame boundary timing using the configuration information.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive control signaling indicating multiple transmission-reception points (TRPs), and may perform measurements for reference signals received from the multiple TRPs within a set of measurement resources. The UE may transmit a channel state information (CSI) report including a first CSI part and a second CSI part, where at least one of the first CSI part or the second CSI part indicates a first mapping between a first set of TRPs and a first set of spatial multiplexing layers, and a second mapping between a second set of TRPs and a second set of spatial multiplexing layers. The UE may then receive a phase-coherent joint transmission of a downlink message from the first set of TRPs in accordance with the first mapping, or from the second set of TRPs in accordance with the second mapping.

A method and apparatus are provided, in which a higher layer configuration is received (2002), where the user equipment is configured with two timing reference signals for receiving a common communication having a same set of data from multiple signal sources. A downlink scheduling assignment including downlink control information is received (2004) in a control channel scheduling a physical downlink shared channel, wherein the downlink scheduling assignment comprises an indication of a transmission configuration indicator identifying two transmission configuration indicator states, which each indicate quasi-co-location information of a demodulation reference signal corresponding to the physical downlink shared channel relative to a respective one of the first and the second timing reference signals. The physical downlink shared channel is then received (2006) according to the downlink scheduling assignment including the downlink control information.

A communication method includes the following. A terminal device sends a first physical uplink shared channel (PUSCH) and a second PUSCH. The terminal device corresponds to N sounding reference signal (SRS) resource sets, the first PUSCH is associated with a first SRS resource set among the N SRS resource sets, the second PUSCH is associated with a second SRS resource set among the N SRS resource sets, and the first SRS resource set is different from the second SRS resource set. The terminal device includes M antenna ports. A first precoding matrix for the first PUSCH and a second precoding matrix for the second PUSCH belong to a first precoding matrix set, a non-zero element in a column vector of each precoding matrix in the first precoding matrix set is less than or equal to M / N, and M and N are integers greater than or equal to 2.

A disclosure of the present specification provides a method of performing communication by a UE. The method comprises the steps in which: the UE has a capability of receiving a signal by means of a first antenna panel and a second antenna panel, and receives control or data from a first base station through the first antenna panel; and the UE receives a reference signal from a second base station through the second antenna panel to perform radio resource management (RRM) measurement, wherein the UE skips the step of receiving the control or data in an interval of performing the RRM measurement.

A communication method includes: receiving, by a user equipment (UE), first DCI of a neighboring cell, receiving, by the UE, configuration information of the neighboring cell from a serving cell, and communicating, by the UE, with the neighboring cell based on the first DCI and the configuration information of the neighboring cell.

Various aspects of the present disclosure relate to a base station and methods that manage cross-link interference during wireless communication especially in dynamic time division duplexing (TDD) using flexible symbols. In one aspect, a processor of an originating base station is configured to cause the base station to: determine downlink transmission parameters to communicate downlink resources to the one or more user equipment (UEs); and identify a spatial pattern to communicate the downlink resources to the one or more UEs. The processor is further configured to cause the base station to communicate, to a second base station, a spatial pattern information element (IE) containing at least one indication of the spatial pattern for cross-link interference management, the spatial pattern IE enabling the second base station to mitigate interference.

A method performed by a user equipment (UE) is provided. The method includes receiving, from a base station, via a radio resource control (RRC) signaling, information related to sounding reference signal (SRS) resource set and phase tracking reference signal (PTRS) uplink (UL) configuration information including a parameter indicating a maximum number of UL PTRS ports, receiving a downlink control information (DCI) format 0_1 including a SRS resource set indicator (SRSI) field and a first PTRS-demodulation reference signal (DMRS) association field, when two SRS resource sets associated with a usage of value ‘nonCodeBook’ or ‘CodeBook’ are configured based on the information related to SRS resource set, determining a number of bits of the SRSI field as 2bits, and based on the 2bits SRSI field and the parameter indicating the maximum number of ports, determining a number of bits of the first PTRS-DMRS association field as 1 bit or 2 bits.

A transmission method intended for an OMAMRC telecommunication system with M sources (s1, . . . , sM), possibly L relays and one destination, M≥2, L≥0. In such a solution, when a source could not be decoded by the destination, the latter organises a retransmission by taking into account the characteristics of a MIMO transmission channel established between, on the one hand, at least two nodes that decoded the source and, on the other hand, at least two antennas in reception of the destination in the form of a precoding coefficient. Thus, the method therefore makes it possible to improve the decoding performance of a source si, in a context where the destination is equipped with a plurality of antennas in reception.

A first network entity of a communications network can generate compressed beamforming weights (“BFWs”) based on a transformation configuration. The transformation configuration can be based on one or more parameters of an antenna array associated with a second network entity of the communications network. The one or more parameters can include a parameter that is separate from a total number of antenna ports in the antenna array. The first network entity can further transmit an indication of the compressed BFWs to the second network entity via a fronthaul between the first network entity and the second network entity.

A method performed by a first wireless access point for coordinating a multi-access point transmission in a wireless network of multiple access points includes receiving an indication of a transmit opportunity for the first wireless access point, transmitting at least one indication frame to the multiple access points comprising information related to the transmit opportunity, receiving at least one request frame from one or more access points of the multiple access points indicating participation with the transmit opportunity, and transmitting a trigger frame to the one or more access points that indicated participation with the transmit opportunity, wherein the trigger frame comprises information indicating respective power levels for the participating access points. The shared transmit opportunity may then be used to transmit downlink data to associated stations of the first wireless access point and the other participating access points during the transmit opportunity.

An apparatus for use by a communication element or communication function capable of conducting multi transmission and reception point, TRP, operation, the apparatus comprising at least one processing circuitry, and at least one memory for storing instructions that, when executed by the at least one processor, cause the apparatus at least to obtain channel state information reporting configuration information for enabling group-based beam reporting based on prediction (S510), to receive a plurality of beams comprising at least one set of beams for measurement and at least one set of beams of prediction (S520), to determine an association of the received plurality of beams to a respective TRP of a communication network (S530), to measure resources from the at least one set of beams for measurement for identifying beam groups for simultaneous reception (S540), and to determine further beam groups usable for simultaneous reception by using a prediction model (S550), wherein the further beam groups comprise beams of the at least one set of beams for measurement and the at least one set of beams for prediction.

A method and apparatus are provided, in which a higher layer configuration is received (2002), where the user equipment is configured with two timing reference signals for receiving a common communication having a same set of data from multiple signal sources. A downlink scheduling assignment including downlink control information is received (2004) in a control channel scheduling a physical downlink shared channel, wherein the downlink scheduling assignment comprises an indication of a transmission configuration indicator identifying two transmission configuration indicator states, which each indicate quasi-co-location information of a demodulation reference signal corresponding to the physical downlink shared channel relative to a respective one of the first and the second timing reference signals. The physical downlink shared channel is then received (2006) according to the downlink scheduling assignment including the downlink control information.

A communication device that performs wireless communication that complies with IEEE 802.11 series of standards, including: at least one memory that stores a set of instructions, and at least one processor that executes the instructions, the instructions, when executed, causing the device to perform operations including: cooperating with an access point to perform data communication with a station, wherein in the cooperating, transmitting, to the access point, a frame instructing the access point to communicate with the station, the frame including information for identifying the access point and information regarding transmission power.

A network entity may communicate at least one first transmission with a user equipment (UE) via a first transmission-reception point (TRP) and a second TRP in a multi-TRP (mTRP). The network entity may transmit an indication to switch to a single TRP (sTRP) mode to the UE, or a condition of the UE, such as a configured specification, may provide the indication to switch to the sTRP mode. The UE may obtain the indication to switch to the sTRP mode from the network entity or from the condition. The UE may switch to communicate at least one second transmission with the network node via one of the first TRP or the second TRP in the sTRP mode based on the indication to switch to the sTRP mode.

To provide a method and user equipment for physical downlink shared channel reception and physical uplink control channel transmission.SOLUTION: A method includes receiving first downlink control information, obtaining a code point associated with selection of at least one transmission configuration indicator state from a first field in response to the first downlink control information including the first field, and receiving a physical downlink shared channel on the basis of first downlink control information.SELECTED DRAWING: Figure 61

According to various examples, a radio access network controller is described comprising a processor configured to determine whether a mobile terminal is located at a center region of a radio cell of a communication network or an edge region of the radio cell, and control the communication network to serve the mobile terminal by a plurality of radio units of a plurality of radio cells using coherent joint transmission by allocating the same time, frequency, code and spatial resources, if the processor determines that the mobile terminal is in the edge region of the radio cell and control the communication network to serve the mobile terminal by one radio unit of the radio cell using single-cell processing if the processor determines that the mobile terminal is in the center region of the radio cell.

Systems, methods, apparatuses, and computer program products for enabling efficient cell-free MIMO transmissions. One method may include receiving a downlink reference signal, determining at least one cell-free multiple input multiple output transmission strategy associated with at least one access point based upon at least the downlink reference signal, and transmitting to a network entity at least one of the at least one cell-free multiple input multiple output transmission strategy and enabling information.

This disclosure provides methods, components, devices and systems for using a unified framework for coordinated transmission modes, such as a coordinated beamforming (CBF) mode, a coordinated spatial reuse (CSR) transmission mode, and a dedicated transmission opportunity (TXOP) transmission mode. Some aspects more specifically relate to a sharing and shared access point (AP) exchanging communications that facilitate the utilization of a transmission mode. In some implementations, a first AP may transmit, to a second AP, a trigger message that includes an indication of a first station (STA) to be scheduled during a TXOP. The second AP may respond with an indication of whether the second AP can attenuate a transmit signal to the first STA to facilitate the CBF mode. The first STA may proceed with communications via the CBF mode, CSR mode, or dedicated mode in accordance with whether the second AP can attenuate the signal, among other considerations.

This disclosure provides methods, components, devices and systems for techniques for coordinated beamforming (C-BF). Some aspects more specifically relate to C-BF sounding. In some examples, a sharing AP may transmit a null data packet announcement. The null data packet announcement may indicate a sounding occasion and one or more common parameters for a first null data packet transmission for a sounding. The sharing AP may monitor for the sounding feedback associated with the first null data packet transmission during the sounding occasion. The null data packet announcement may include a null data packet announcement variant subfield, a sounding dialog token number subfield and at least a first station information field and a second station information field.

The invention discloses an active isolation and ECC calculation method for a multi-antenna system. The method comprises the steps that multiple ports of the active multi-antenna system are excited at the same time; obtaining an S parameter and an excitation wave of each port; calculating active isolation based on the S parameter and the excitation wave, and calculating an envelope correlation coefficient ECC according to the S parameter of the antenna; the method has the advantages that antenna performance evaluation can be conveniently carried out under the condition that multiple ports of the multi-antenna system are excited at the same time, and therefore the optimization design of the antenna system is guided.