Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may connect to a set of source cell groups (CGs). The UE may receive a target cell group setup information, the target cell group setup information being associated with a set of target CGs. The UE may connect to the set of target CGs based at least in part on the target cell group setup information during a handover from the set of source CGs to the set of target CGs. The UE may disconnect from the set of source CGs after connecting to the set of target CGs. Numerous other aspects are provided.

Abstract: A base station is configured to receive channel state information (CSI) from a user equipment (UE). The base station transmits configuration information including one or more interference measurement resources (IMRs) allocated for measurement by the UE, receives a reference CSI report from the UE, receives a new CSI report including interference and noise power fluctuation feedback from the UE and selects a modulation and coding scheme (MCS) for the UE based on at least the interference and noise power fluctuation feedback and the reference CSI report.

Abstract: Disclosed is a method for configuring a sidelink resource in a communication system. An operation method of a first terminal comprises the steps of: generating SCI #n including scheduling information of data #n and resource allocation information for transmission or reception of data #m; transmitting SCI #n to a second terminal via PSCCH #n; and transmitting data #n to the second terminal via PSSCH #n indicated by the scheduling information included in SCI #n. Therefore, the performance of a communication system can be improved.

Abstract: This application relates to wireless communications, including methods and apparatus to manage uplink (UL) transmit switching with multiple timing advance groups (TAGs) for wireless devices. A wireless device is configured to select N?2 radio frequency carriers for UL transmission from M>N available radio frequency carriers and subsequently send UL transmissions to a cellular wireless network based on the configuration. The M available radio frequency carriers are divided into distinct TAGs, each TAG having a distinct timing advance value, and the N radio frequency carriers belong to a single TAG. The wireless device is further configured to switch to a second set of N UL radio frequency carriers, after an uplink switching gap time period, based on a TAG medium access control (MAC) control element (CE), received the cellular wireless network, which specifies a second TAG from which to select the second set of N UL radio frequency carriers.

Abstract: If repetition transmission is applied to a response signal for a downlink data signal and an uplink signal, the uplink signal is repeatedly transmitted using a certain number of consecutive subframes starting with a first subframe, at which the repetition transmission of the uplink signal starts, and the response signal is repeatedly transmitted using at least the certain number of consecutive subframes starting with a second subframe, at which the repetition transmission of the response signal starts. The first subframe is set to be the same as the second subframe.

Abstract: A method for adjusting transmission time, applied to any one of receiving ends in a sidelink multicast communication, includes starting transmitting a physical sidelink feedback channel at a first timing before a synchronization reference timing and separated from the synchronization reference timing by a first time offset.

Abstract: A method and apparatus for hybrid automatic retransmission request (HARQ) is provided. The method is performed by a first UE. The method includes receiving, from a NodeB, an acknowledge configuration indicating an HARQ scheme of the first UE and uplink resource for the HARQ scheme; determining whether an acknowledgement for a data block associated with a first downlink control information (DCI) is to be transmitted according to the HARQ scheme.

Abstract: A first access point comprises circuitry configured to perform a sounding procedure with one or more first stations associated with the first access point and configured to communicate with the first access point over a respective channel to determine resource unit allocation and beamforming configuration for use in subsequent communication with respective first stations, and to transmit a training data unit containing signaling information related to the determined resource unit allocation and related to the determined beamforming configuration, wherein the training data unit is transmitted with a beamforming configuration derived from the determined resource unit allocation and the determined beamforming configuration.

Abstract: A method for processing information is provided. The method includes that a base station transmits downlink control information (DCI) to a terminal. The DCI includes a first indication field. The first indication filed is configured to carry response information of hybrid automatic repeat request (HARQ). The DCI further includes a second indication field configured to carry a trigger notification of random access or early data transmission (EDT). Furthermore, the terminal determines the response information of the HARQ based on the first indication field in the DCI, and determines the trigger notification of random access or EDT based on a second indication field when the DCI includes the second indication field.

Abstract: A first terminal obtains a first transmission resource that is sent by an access network device and that is used by the first terminal to send data on a sidelink, where the sidelink is a wireless communication link between the first terminal and a second terminal, and the first transmission resource is a resource of an unlicensed spectrum. The first terminal performs a channel access procedure on the unlicensed spectrum. The first terminal sends first information to the access network device when the first terminal determines that a failure occurs in the channel access procedure performed on the unlicensed spectrum, where the first information is used to request to allocate a second transmission resource to the sidelink of the unlicensed spectrum.

Abstract: Disclosed are a method and a device for measuring and reporting channel state information (CSI). The method for measuring and reporting channel state information (CSI) includes a terminal device performing, on a specified bandwidth part (BWP) and within specified time, a CSI measurement, according to a first measurement configuration, to obtain CSI measurement results; and the terminal device reporting, on the specified BWP, the CSI measurement results to a network device, the terminal device performing a CSI measurement according to a second measurement configuration outside the specified time.

Abstract: A base station may transmit configuration parameters indicating a bandwidth part (BWP), of a cell, associated with a maximum number of transmission layers, and a plurality of demodulation reference signal (DMRS) ports. The base station may transmit downlink control information comprising an antenna port indication value. The base station may determine a subset of DMRS ports, from the plurality of DMRS ports, based on the maximum number of transmission layers associated with the BWP. Based on the antenna port indication value, the base station may select one or more DMRS ports from the subset of DMRS ports. The base station may transmit, via the BWP, a transport block with the one or more selected DMRS ports and with a number of transmission layers. The number may be less than or equal to the maximum number in response to the BWP being associated with the maximum number of transmission layers.

Abstract: A downlink channel transmission can be received. The downlink channel transmission can carry a DCI format that schedules a first uplink channel transmission. An overlap between the first uplink channel transmission and a second uplink channel transmission can be determined. The first uplink channel transmission can be associated with a first priority and the second uplink channel transmission can be associated with a second priority different than the first priority. The second uplink channel transmission can be cancelled before a symbol associated with the overlap between the first uplink channel transmission and the second uplink channel transmission.

Abstract: A device receiving a transmission is configured to provide its feedback in a unique resource pattern within a set of resources (a resource pool). The resource pattern used by the device overlaps partially with one or more resource patterns used for feedback transmissions by other devices in the group. The transmitting device is able to identify the device by identifying an activation pattern matching the unique resource pattern of the device in the overall feedback that it receives from the devices of the group.

Abstract: An aspect includes a method for use with a mobile communications device comprising a plurality of subscriber identification modules sharing a cache. The method includes a first subscriber identification module authenticating with and connecting to the network, followed by a second subscriber identification module authenticating with and connecting to the network. The method also includes, while the first subscriber identification module is requesting and receiving first data from the network and storing the first data in the cache, the second identification module requesting and receiving second data from the network and storing the second data in the cache. The method further includes an application executing on the device retrieving and processing at least a portion of the first and second data stored in the cache, while at least one of the first and second subscriber identification modules is storing additional data received from the network in the cache.

Abstract: Provided are a method and device for transmitting a reference signal. The method includes: determining reference signal information according to signaling information or a first predetermined rule, where the reference signal information satisfies a second predetermined rule; and transmitting, according to the reference signal information, the reference signal and a channel corresponding to the reference signal.

Abstract: This application relates to wireless communications, including methods and apparatus to manage uplink (UL) transmit switching with multiple timing advance groups (TAGs) for wireless devices. A wireless device is configured to use multiple carriers selected from a set of available carriers that can be associated with different TAGs. When a second set of carriers, used after switching from a first set of carriers, includes carriers that belong to different TAGs, the wireless device determines whether to transmit on one or more first uplink transmission occasions for each of the carriers in the second set of carriers based on whether a first UL transmission occasion for at least one carrier overlaps a switching gap time period. The wireless device can disallow transmission on first UL transmission occasions of one or more carriers to accommodate the overlap.

Abstract: A system that incorporates aspects of the subject disclosure may perform operations including, for example, receiving an uplink signal generated by a communication device; generating an estimation of one or more downlink signals generated by one or more transmitters; detecting a passive intermodulation interference in the uplink signal, wherein the passive intermodulation interference is caused by the one or more transmitters, wherein the passive intermodulation interference is detected by the circuit based on a comparison of characteristics of the uplink signal with the estimation of the one or more downlink signals generated by the one or more transmitters, and wherein the one or more transmitters are unassociated with the communication device generating the uplink signal; and performing signal conditioning on the uplink signal to reduce the passive intermodulation interference. Other embodiments are disclosed.

Abstract: Methods, apparatus, and computer-readable mediums for wireless communication are provided. One apparatus is configured to receive at least one SA from at least one UE. The apparatus is further configured to determine an energy associated with each at least one SA. The apparatus is also configured to rank data transmission time-frequency resources based on the determined energy associated with said each received at least one SA. Each at least one SA are associated with a different subset of the data transmission time-frequency resources. The apparatus is further configured to select a set of data transmission time-frequency resources based on the ranked data transmission time-frequency resources and to send a data transmission on the selected set of data transmission time-frequency resources. Another apparatus is configured to partitioning time-frequency resources into different resource groups, to divide UEs into UE groups based on location, and map the UE groups to the resource groups.

Abstract: There is provided a communication device that determines a wireless resource for a downlink without performing signaling between a base station and a terminal. A communication device includes a communication unit that transmits and receives a wireless signal, and a wireless resource determination unit that determines a wireless resource used for transmission and reception. The wireless resource determination unit determines, in a communication system including a base station and a terminal, on the basis of a common rule between the base station and the terminal, a plurality of candidates for the wireless resource to be used for downlink communication in the slot for each terminal, and then selects the plurality of candidates for each terminal one by one in such a manner that wireless resources do not overlap between the terminals.

Abstract: Systems, methods and instrumentalities are disclosed for beam-based PDCCH Transmission in NR. Control resource sets may be assigned for multi-beam control transmission. A PDCCH may be transmitted with multiple beams. CCEs may be mapped for multi-beam transmission. DCI may support multi-dimensional transmission with primary and secondary dimensions. Search space may support multi-beam, multi-TRP transmission.

Abstract: A method and an apparatus for controlling a timer are disclosed. In the method, after user equipment activates a first bandwidth part in response to a first message, the user equipment controls a target timer to perform timing based on a unit time length of a second bandwidth part to optimize the timer in a BWP scenario.

Abstract: Disclosed are a method and apparatus for transmitting and receiving channel state information in a wireless communication system. A method for transmitting channel state information (CSI) according to an embodiment of the present disclosure may comprise the steps of: receiving configuration information related to the CSI from a base station; receiving one or more reference signal (RS) resources transmitted from the base station through different downlink spatial domain transmission filters; and transmitting, to the base station, the CSI including a layer 1 signal-to-interference-plus-noise ratio (L1-SINR) generated on the basis of the one or more RS resources.

Abstract: Apparatus and methods of physical uplink control channel (PUCCH) transmission and reception in multiple transmit receive points (TRPs) are disclosed. The apparatus includes a transmitter for selectively transmitting a first physical uplink control channel (PUCCH) resource to a first identity, and selectively transmitting a second PUCCH resource to a second identity, wherein each one of the PUCCH resources carries a set of uplink control information (UCI); and a processor that determines whether there is an overlap between the first PUCCH resource and the second PUCCH resource.

Abstract: Provided are a clock synchronization method and apparatus, and a storage medium. The clock synchronization method includes that: when a source base station determines that a user equipment (UE) satisfies a handover condition, the source base station sends a handover request to a target base station, where the handover request includes a request for precision clock information; and the source base station receives the precision clock information of the target base station.

Abstract: The present disclosure relates to communication methods and apparatus. In one example method, a terminal sends, to a network device, a quantity of radio frequency channels supported on each of a plurality of carriers when the terminal performs uplink transmission on the plurality of carriers in time division multiplexing (TDM) mode. The terminal reports, to the network device, a quantity of radio frequency channels used on each carrier when the terminal performs uplink transmission in TDM mode, so that the network device can configure, for the terminal based on an actual capability of the terminal, the quantity of radio frequency channels used on each carrier in TDM mode.

Abstract: Methods, systems, and devices for sidelink wireless communications are described in which a user equipment (UE), such as a vehicle UE, that supports full-duplex communications may transmit a sidelink control channel during a set of time resources including scheduling information for a subsequent transmission by the UE via a first set of resources. The UE may receive a sidelink control channel during the set of time resources from a second UE that may support full-duplex communications or half-duplex communications. The sidelink control channel may include scheduling information for a subsequent transmission via a second set of time-frequency resources that at least partially overlaps with the first set of time-frequency resources. The first UE may determine that a collision will occur and may perform a resource selection procedure or may transmit a request for the second device to perform the resource selection procedure.

Abstract: A user equipment (UE) may attempt to access a base station of a network. The UE receives, from the base station of a wireless network, a broadcast including a system information block (SIB) identifying a plurality of random access channel (RACH) sub-bands of an uplink (UL) bandwidth and which of the plurality of RACH sub-bands includes physical random access channel (PRACH) resources. The base station selects one of the plurality of RACH sub-bands for a PRACH transmission and selects a preamble from the selected RACH sub-band and transmit the preamble to the base station to initiate a RACH procedure.

Abstract: Disclosed are a method and apparatus for determining a resource location, and a device and a storage medium, which belong to the technical field of communications. The method comprises: where a BWP is reactivated, determining the location of a CG resource according to first information, wherein the first information comprises frame number information used for determining the location of the CG resource. Provided is a method for determining or calculating the location of a CG resource corresponding to a BWP after the BWP is reactivated.

Abstract: A method for beam management performed by a UE is provided. The method includes: receiving a DCI format in a first BWP based on a first QCL assumption specific to the first BWP, the DCI format scheduling a PDSCH reception in a second BWP; receiving an RRC configuration that includes a plurality of candidate TCI states associated with a serving cell in which the PDSCH is scheduled; receiving a MAC CE that indicates a subset of the plurality of candidate TCI states for activation in the second BWP; determining a second QCL assumption specific to the second BWP based on one TCI state in the subset; and receiving the PDSCH in the second BWP based on the second QCL assumption.

Abstract: Embodiments herein provide a method for managing short data service (SDS) communication in a mission critical data (MCData) communication system. The method includes determining, by a transmitting MCData UE, whether a pre-determined criteria is met for transmitting a one-to-one standalone SDS message or a group standalone SDS message to receiving MCData UE (s). Further, the method includes determining data size of the one-to-one standalone SDS message or group standalone SDS message. Furthermore, the method includes transmitting the one-to-one standalone SDS message to the receiving MCData UE for one-to-one communication or group communication using one of a signaling control plane and a media plane based the determined data size of the one-to-one standalone SDS message or group standalone SDS message.

Abstract: A transmission method includes: transmitting a PDCCH in a first CORESET, where the number of RBs in the first CORESET is less than or equal to the number of RBs in a second CORESET, and the second CORESET is configured by higher layer signaling in a PBCH.

Abstract: A method for enhanced rate adaptation by a radio access network (RAN) node includes: determining a first code rate, for sending one or more messages to a user equipment (UE) before a first time, based at least in part on a first rank and a first message error rate; sending the one or more messages to the UE before the first time using the first code rate; receiving channel quality information and a second rank from the UE at the first time, wherein the second rank is different than the first rank; determining a second code rate, for sending one or more messages to the UE after the first time and before a second time, based at least in part on the received channel quality information and second rank; and sending the one or more messages to the UE, after the first time and before a second time, using the second code rate.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may receive, from a network entity, an indication of multiple transmission occasions for a transmission of a sidelink communication in an unlicensed spectrum. The first UE may transmit, to a second UE, the sidelink communication in a selected transmission occasion of the multiple transmission occasions for the transmission of the sidelink communication in the unlicensed spectrum. Numerous other aspects are described.

Abstract: A method for wireless communication by a UE includes receiving, from a base station, DCI indicating both a semi-persistent schedule for PDSCH occasions within a transmission window and a first quantity of a first group of empty PDSCH occasions. The PDSCH occasions may include the first group of empty PDSCH occasions and a second group of non-empty PDSCH occasions. The method also includes receiving, from the base station, downlink data transmissions within the transmission window based on the semi-persistent schedule. The method further includes transmitting, to the base station, a feedback message indicating a second quantity of either a first group of NACKs associated with the first group of empty PDSCH occasions or a second group of NACKs associated with the second group of non-empty PDSCH occasions based on a total quantity of both the first group of NACKs and the second group of NACKs being greater than the first quantity.

Abstract: Load balancing for saturated wireless may be provided. A computing device may determine that an Access Point (AP) has reached a saturation point. A first Service Device (SD) having a first SD coverage area that overlaps an AP coverage area associated with the AP may be identified. Then a license to operate within a frequency spectrum segment for the first SD coverage area may be obtained. A plurality of user devices may be moved from the AP to the first SD. The first SD may then service the plurality of user devices using at least a portion of the frequency spectrum segment.

Abstract: Example frequency domain resource allocation methods and apparatus are described. One example method includes determining M frequency domain resources according to a predetermined frequency domain resource allocation rule, and performing communication on one or more of the M frequency domain resources. Any two of the M frequency domain resources do not overlap. Each of the M frequency domain resources is associated with one piece of quasi-colocation (QCL) information, and any two of the M frequency domain resources are associated with different QCL information.

Abstract: The present disclosure provides a method for transmitting and receiving a sidelink positioning reference signal and a terminal. The method includes: when a resource occupied by the sidelink positioning reference signal collides with a resource occupied by at least one type of information in a first information set, not transmitting the S-PRS on the collided resource, wherein the first information set includes: at least one of a sidelink physical channel, a sidelink reference signal, a sidelink synchronization signal, a sidelink synchronization signal block, an automatic gain control information and a guard period information.

Abstract: Transmission control methods and communications devices are provided. A transmission control method executed by a control device includes: sending first information. The first information is related information of scheduling signaling, and the related information includes a number. An indication manner of the first information comprises indicating for different scheduling signaling associated with different types separately.

Abstract: A terminal includes circuitry and a transmitter. The circuitry, in operation, determines a first transmission power for a first uplink signal and a second transmission power for a second uplink signal by prioritizing allocation of a transmission power to the second transmission power for the second uplink signal, responsive to, in a first transmission time interval (TTI) where the first uplink signal is transmitted, the second uplink signal being transmitted in a second TTI that is shorter than the first TTI. The transmitter, in operation, transmits the first uplink signal with the determined first transmission power and transmits the second uplink signal with the determined second transmission power.

Abstract: This application relates to the field of wireless communication technologies, and in particular, to a method and an apparatus for transmitting a physical layer protocol data unit, and for example, is applied to a wireless local area network. The method includes: A first communications device generates a PPDU and may send the PPDU, where the PPDU includes an LTF sequence; and correspondingly, a second communications device receives the PPDU, and parses the PPDU to obtain the LTF sequence included in the PPDU. Embodiments of this application can be used to design an LTF sequence that has a relatively low PAPR on entire bandwidth, on a single resource unit, on a combined resource unit, and in a considered multi-stream scenario.

Abstract: When signals are simultaneously received from K transmission-side apparatuses by a receiving antenna, and repetition is performed by the K transmission-side apparatuses, an information processing apparatus is configured to: in order to obtain a transmitted reference signal x(k,n) transmitted from a transmission-side apparatus k (k=1, . . . , K) by the n-th reference signal transmission in the repetition, acquire a phase rotation amount ?(g,n) given to a transmitted reference signal x(k) and assigned to a group g to which the transmission-side apparatus k belongs and transmit the phase rotation amount ?(g,n) to the transmission-side apparatus k. The phase rotation amount ?(g,n) is acquired so that received reference signals from transmission-side apparatuses not belonging to the group g are cancelled when a phase rotation amount opposite to the phase rotation amount ?(g,n) is given to a received reference signal r(n), and the first to N-th received reference signals in the repetition are added.

Abstract: This application provides a channel state information (CSI) feedback method including: a terminal device selects B complex coefficients from K complex coefficients according to a preset priority rule, and provides feedback, where K is a quantity of complex coefficients that the terminal device is allowed to feed back, and the preset priority rule is related to at least one of the following: an index value of each complex coefficient in the K complex coefficients, an index value of a reference signal port corresponding to each complex coefficient in the K complex coefficients in S reference signal ports, or an index value of each complex coefficient in the K complex coefficients in a plurality of complex coefficients that are allowed to be selected for a corresponding reference signal port, where S is a quantity of reference signal ports that the terminal device is allowed to select.

Abstract: Aspects of the present disclosure provide techniques that may help enhance power control for sidelink transmissions. According to certain aspects, a method for wireless communications by a first user equipment (UE) generally includes transmitting a power headroom report (PHR) to a second UE, receiving, from the second UE, a transmit power control (TPC) based on the PHR, and transmitting at least a first sidelink transmission to the second UE with transmit power in accordance with the TPC.

Abstract: Methods, systems, and devices for wireless communications are described. A base station (e.g., a central unit (CU) function of the base station) may select, from a set of distributed units (DUs) associated with the CU, a DU of an integrated access and backhaul (IAB) node to control sidelink communications for a user equipment (UE). The base station may determine a configuration of sidelink parameters for the sidelink communications with the UE, the sidelink parameters comprising an identification of the selected DU. The base station may transmit, to the TAB node performing sidelink communications with the UE, an indication of the configuration of sidelink parameters for the sidelink communications.

Abstract: Methods and apparatuses for inter user equipment (UE) coordination signaling. A method of operating a UE includes determining a first set of first sidelink (SL) resources based on SL sensing and resource exclusion; selecting a first one or more SL resources within the first determined set for reservation, transmitting information about the first one or more SL resources, and receiving inter UE co-ordination information indicating whether a SL resource in the first one or more SL resources has a conflict. The method further includes transmitting on one of the first one or more SL resources, when the one SL resource does not have a conflict; and determining a second set of SL resources based on SL sensing and resource exclusion, and selecting a second one or more SL resources within the second set for transmission and reservation, when all of the first one or more SL resources have a conflict.

Abstract: The present disclosure relates to an electronic device, a communication method and a storage medium in a wireless communication system. There is provided an electronic device for a transmitter, comprising a processing circuitry configured to: perform an initial transmission and blind transmissions of a transport block to a receiver by a configured Hybrid Automatic Repeat reQuest (HARQ) process, the blind transmissions being planned to be performed within a predetermined time window after the initial transmission; perform detection for a HARQ feedback from the receiver, the HARQ feedback indicating whether decoding for the transport block at the receiver is successful or not; and control to cancel or continue the blind transmissions based on a result of the detection.

Abstract: An uplink resource determining method, an uplink resource indication method, a terminal, and a network device are disclosed. The method includes: receiving first DCI used to schedule transmission of a PUSCH on a target BWP, where the first DCI includes an allocation field for frequency domain resource allocation, the allocation field is determined based on a configuration of a reference BWP, and the allocation field includes first bits; and determining an uplink resource indicated by the allocation field, where the uplink resource is an uplink resource determined based on valid bits of the first bits; and a resource allocation type of at least one of the reference BWP and the target BWP is interlace resource allocation.

Abstract: Methods, apparatuses, and computer readable medium for PRACH repetition and Msg 3 repetition are provided. An example method may include receiving, from a base station, an indication associated with a set of PRACH resources. The example method may further include transmitting, to the base station, one or more PRACH repetitions using the set of PRACH resources. The example method may further include receiving, from the base station based on the one or more PRACH repetitions, a grant associated with a PUSCH repetition.

Abstract: This application provides a method for determining a transport block size and a communication apparatus, which may be used in systems such as vehicle-to-everything, V2X, and V2V. A receive-end terminal device and a transmit-end terminal device may determine a quantity of encoded symbols based on a symbol length used for sidelink communication in a time unit and an scaling factor, and may further determine a transport block size of a data channel based on the quantity of encoded symbols. Therefore, for all slots used for sidelink communication, a same quantity of encoded symbols can be determined, and a same transport block size can be further determined.