2146results about "Duplex signal operation" patented technology

A wireless transmit / receive unit (WTRU) may receive subband non-overlapping full duplex (SBFD) configuration information. The SBFD configuration information may be associated with subbands for uplink transmission and subbands for downlink reception. The WTRU may receive scheduling information associated with physical uplink shared channel (PUSCH) transmissions. The scheduling information may comprise a first frequency domain resource allocation (FDRA). The WTRU may transmit a first PUSCH transmission using a first frequency resource. The WTRU may determine that at least a second PUSCH transmission is to be sent using at least one OFDM symbol. The WTRU may determine that the first frequency resource overlaps. The WTRU may receive one or more of a second FDRA or a frequency offset for the second PUSCH transmission. The WTRU may determine a second frequency resource for transmitting the second PUSCH transmission. The WTRU may transmit the second PUSCH transmission using the second frequency resource.

Embodiments of the present disclosure relate to methods, devices and computer readable media of communication. A terminal device receives, from a network device, an indication of a set of transmissions to be transmitted or received by the terminal device in a set of time intervals, a transmission in the set of transmissions being indicated to be transmitted or received by the terminal device in a time interval in the set of time intervals. If the time interval comprises a time interval associated with sub-band full duplex mode, the terminal device performs an operation related to transmitting or receiving the transmission. In this way, a sub-band non-overlapping full duplex scheme with respect to resource allocation may be well supported.

Systems, methods, apparatuses, and computer program products for enhancing dynamic CORESET adaptation with limited or no control channel overhead. One method may include receiving, by a UE, a plurality of PDCCH CORESET configurations associated with at least one SS; determining, by the UE, at least one of the PDCCH CORESET configurations is associated with a symbol or slot format from a corresponding set of symbols; and performing, by the UE, PDCCH monitoring on an active control resource set configuration associated with the set of determined slots or symbols.

A method applied to a network device includes: sending configuration information to a terminal device, where the configuration information indicates M sounding reference signal (SRS) resource sets, the M SRS resource sets include X first SRS resource sets and Y second SRS resource sets, the X first SRS resource sets include at least one first SRS resource, the Y second SRS resource sets include at least one second SRS resource, a time domain resource corresponding to the at least one first SRS resource is a subband full duplex (SBFD) type time unit, and a time domain resource corresponding to the at least one second SRS resource is a non-SBFD type time unit; and receiving an SRS from the terminal device based on the configuration information.

Embodiments of the present disclosure relate to devices, methods, apparatuses and computer readable storage media of resource allocation for time-division or frequency-division duplexing communication. The method comprising: receiving, at a first device and from a second device, first configuration information indicating a set of resources for time-division or frequency-division duplexing communication between the first device and the second device, the set of resources comprising a first subset of the resources for uplink transmission; and receiving, from the second device, second configuration information indicating at least one second subset of the resources for the uplink transmission, the at least one second subset of the resources comprising at least one resource other than the first subset of the resources.

A method, network node and wireless device (WD) for a physical random access channel (PRACH) for subband full duplex operation are disclosed. According to one aspect, a wireless device configured to communicate with a network node is provided. The wireless device is configured to receive frequency domain configuration information and time domain configuration information indicating a plurality of subband full duplex, SBFD, symbols and a plurality of uplink-, UL-, only symbols in a time division duplex, TDD, configuration, and determine a validity of a random access channel, RACH, occasion, RO, based on whether a validity condition is met, the RO being positioned in at least one SBFD symbol of the plurality of SBFD symbols or in at least one UL-only symbol of the plurality of UL-only symbols.

The present disclosure provides a wireless transmit / receive unit (WTRU) that maintains first and second transmit power control (TPC) accumulators. The WTRU receives, from a base station, a configuration including first and second sets of power control (PC) parameters associated with the first and second TPC accumulators, respectively. The WTRU receives a first TPC command, associated with the first TPC accumulator, from the base station. The WTRU updates the first TPC accumulator and the second TPC accumulator based on the first TPC command if the second TPC accumulator is dependent on the first TPC accumulator. The WTRU may maintain multiple TPC accumulators and may implement different TPC processes for different TPC accumulators. The different TPC accumulators may be associated with different symbol types. Hence, the WTRU may dynamically transmit one or more uplink channels and / or one or more uplink signals at different transmit power levels by utilizing corresponding TPC accumulators.

Disclosed, according to various embodiments, are a method by which a terminal performs cross link interference (CLI) measurement in a wireless communication system and an apparatus therefor. Disclosed are a method and an apparatus therefor, the method comprising the steps of: receiving information about a CLI measurement resource for CLI measurement; and transmitting, to a base station, measurement information including CLI measured on the basis of the CLI measurement resource, wherein, on the basis that timing advance (TA) information of a candidate cell is received, the measurement information further includes information about a cell ID determined on the basis of the TA information and a measurement timing when the CLI is measured.

Wideband simultaneous transmit and receive communications on overlapping frequency bands may be achieved by communicating via a communication device having a transmit signal path and a receive signal path. The transmit signal path and receive signal path are operable to transmit and receive simultaneously at the same frequency. A first remote communication device communicates over a first interference suppressed band using a first channel in the transmit signal path and receive signal path. A second remote communication device communicates over a second interference suppressed band using a second channel in the transmit signal path and receive signal path.

The invention discloses a rail transit multi-network integration method based on a digital trunking technology, relates to the technical field of communication, and aims to solve the problem that a traditional narrowband trunking system cannot meet the requirements of voice and data comprehensive bearing and vehicle-ground large-bandwidth service real-time transmission. The method comprises the following steps: constructing a time division duplex long-term evolution broadband digital trunking unified bearing platform; an intermediate media access control layer fusion architecture is deployed, and seamless mobility management of the heterogeneous network is realized through unified authentication and multi-link aggregation; an intelligent vertical switching algorithm based on prediction and multi-criterion decision is introduced, a bidirectional long-short-term memory network model is utilized to predict a network state trend, and an improved entropy weight method and an analytic hierarchy process are combined to dynamically select an optimal access network according to service requirements. According to the invention, the network operation efficiency and the user experience can be obviously improved, and high reliability and high service quality of the rail transit communication system are ensured.

A wireless communication network is described, which includes one or more relay devices and one or more user devices, UEs. A relay devices provides a first bidirectional link having first relay resources, and a second bidirectional link having second relay resources, the first and second bidirectional links using a first interface for a communication with a radio access network, RAN, of the wireless communication network, e.g., the Uu interface. A UE is to perform a direct communication with a network entity of the wireless communication network via the relay device on one or more the first relay resources or on one more of the first and second relay resources using a second interface for a device-to-device, D2D, or sidelink, SL, communication in the wireless communication network, e.g., the PC5 interface.

Wireless communications systems and methods are provided for validating a physical uplink shared channel (PUSCH) occasion defined for 2-step random access channel (RACH) in case of collisions. For example, the user equipment (UE) may determine whether a collision occurs between the PUSCH occasion for the 2-step RACH and any RACH occasion assigned for either 2-step RACH or 4-step RACH after receiving the RACH configuration or updates from the network. The UE may then exclude the PUSCH occasion from the resource pool for 2-step RACH when a collision occurs.

A method of operating a user equipment (UE) in a wireless communication system is disclosed. The method includes receiving, from a base station, control information of a downlink (DL) signal or an uplink (UL) signal within a specific time duration in which half duplex (HD) or full duplex (FD) is possible, the control information including information on a transmission configuration indicator (TCI) state or a sounding reference signal resource indicator (SRI) that is available in a time duration for the FD; and performs a transmission and a reception in an indicated time duration among the time duration for the FD using a TCI state or an SRI corresponding to the indicated time duration based on the indication information.

In one aspect, a method of wireless communication includes receiving, by a wireless communication device during a slot, first data according to a first resource bandwidth (RBW) configuration of a bandwidth part (BWP) configuration, where the BWP configuration is configured for uplink and downlink operations. The method further includes transmitting, by the wireless communication device during the slot, second data according to a second RBW configuration of the BWP configuration, where the second RBW configuration is different from the first RBW configuration. Other aspects and features are also claimed and described.

Provided are an apparatus and method for operation of an apparatus in a wireless communication system. The apparatus may be a UE, a chipset, or a base station. The UE receives an FD configuration message notifying a full duplex symbol from among a plurality of symbols, receives a cell-specific common TDD configuration message, and receives a UE-specific dedicated TDD configuration message. Here, only for the full duplex symbol from among the plurality of symbols, second direction information notified by the dedicated TDD configuration message overrides first direction information notified by the common TDD configuration message.

This disclosure is generally directed to wireless communication systems and methods, and particularly relates to resource control for wireless transmission with repetitions based on subband full duplex. The various implementations concern determination of conditions under which the various repetitions of an uplink (or downlink) wireless transmission are allowed to be transmitted in a mixed manner across an uplink (or downlink) bandwidth part and an uplink (or downlink) subband within an otherwise downlink (or uplink) bandwidth part. Various mechanisms for determining resources for the transmission of the repetitions based on one or more resource identification fields in a resource control message for scheduling the wireless transmission are further disclosed. Such mechanisms provide consistent resource allocation between the repetitions transmitted in the mixed manner.

Aspects of the subject disclosure may include, for example, determining a coherence block for each user equipment (UE) of a plurality of UEs being served by the first cell, resulting in a plurality of coherence blocks, responsive to the determining, identifying a smallest coherence block from the plurality of coherence blocks, identifying a pilot sequence length based on the smallest coherence block, determining a plurality of orthogonal pilot sequences based on the identifying the pilot sequence length, designating, from the plurality of orthogonal pilot sequences, a first group of orthogonal pilot sequences for use in the first cell, and distributing, to each neighboring cell of a plurality of neighboring cells adjacent to the first cell, a respective group of orthogonal pilot sequences from a remainder of the plurality of orthogonal pilot sequences, to prevent pilot contamination between the first cell and the plurality of neighboring cells. Other embodiments are disclosed.

In a wireless communication system according to various embodiments, a UE receives, from a base station, first configuration information for configuring a bandwidth part (BWP), receives, from the base station, an offset for configuring at least one sub-band within the BWP and second configuration information including information about the bandwidth size, and configures at least one sub-band on the basis of the second configuration information, wherein the at least one sub-band can be configured on the basis of a specific granularity determined according to the offset, the bandwidth size and a system bandwidth size.

Disclosed are a method by which a device having a forwarding link for forwarding signals received from a control link and a terminal communicates with a base station in a wireless communication system, and a device therefor, according to various embodiments. Disclosed are the method and the device therefor, the method comprising the steps of: receiving a configuration of a first time resource in which a forwarding operation for the forwarding link is performed through the control link; receiving resource allocation information about a second time resource in which transmission of an uplink signal for the control link is performed; and determining whether the transmission of the uplink signal is performed with priority over a forwarding operation in the second time resource, which overlaps with the first time resource on the basis of the type of uplink signal or payload.

A method of coordinated scheduling for time frequency resources of dynamic / flexible time division duplex (TDD) operation and / or sub-band full duplex (SBFD) operation includes in a coordinated scheduling of a dynamic / flexible TDD and / or SBFD operation in same time slots / symbols, at least two neighbor base stations exchanging a relevant scheduling information with each other, wherein the relevant scheduling information includes a starting and a number of downlink (DL) and / or uplink (UL) slot formats, a starting and a number of resource blocks (RBs) for DL and / or UL sub-bands, and / or a time window assigned to the dynamic / flexible TDD and / or SBFD operation; and implementing, by the at least two neighbor base stations, a scheduling adaptation according to the relevant scheduling information.

Various aspects of the present disclosure relate to a user equipment (UE), a base station, and methods that provide wireless communication in a full duplex bandwidth part. The UE includes a memory and a processor communicatively coupled to the memory and configured to cause the UE to receive a control resource set (CORESET) configuration that includes information of resource block (RB) offset(s) and of RBs allocated to a CORESET. Each RB offset corresponds to a respective subset of groups of a first number of RBs from among a larger set of groups of the first number of RBs of a downlink (DL) bandwidth part (BWP). The processor is further configured to cause the UE to receive a physical downlink control channel (PDCCH) based on the plurality of RBs allocated to the CORESET and to receive the PDCCH based on the plurality of RBs allocated to the CORESET.

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 WTRU includes receiving configuration information for a serving cell indicating uplink (UL) resources associated with a subband full duplex (SBFD) mode of operation and receiving timing information for one or more synchronization signal blocks (SSBs) associated with a neighbor cell. The method includes determining at least one SSB will overlap in time with one of the UL resources. The method includes receiving scheduling information indicating at least one of the UL resources to send an UL transmission. The at least one of the UL resources overlaps in time with the at least one SSB. The method includes measuring a reference signal received power (RSRP) of an SSB associated with the neighbor cell and determining, based on a measurement of the RSRP of the SSB exceeding an RSRP threshold, to refrain from sending the UL transmission.

The present invention relates to a wireless communication system, in which a terminal comprises a transceiver and a processor that controls the transceiver, wherein the processor may: receive first information indicating whether a first slot includes a subband for uplink transmission; receive second information indicating whether a second slot includes the subband for uplink transmission; and perform repetition transmission of a physical uplink shared channel (PUSCH) on the first slot and the second slot, wherein the first slot includes the subband for uplink transmission, and the second slot does not include the subband for uplink transmission.

An apparatus and method are provided for performing a subband operation for cross division duplex (XDD) technology to enhance coverage in wireless communication systems. A method includes identifying, by a user equipment (UE), an uplink (UL) or downlink (DL) subband configuration provided from a gNB to the UE, and determining a priority between a UL transmission and a DL reception based on whether a collision between DL and UL operations occurs in a time domain, wherein the UE is a half-duplex UE which performs the UL transmission at different times than when the UE performs the DL reception.

The present disclosure relates to a method and a device for efficiently configuring frequency resources for full-duplex communication in a wireless communication system. The method performed by means of a terminal in a wireless communication system supporting full-duplex communication, according to an embodiment of the present disclosure, comprises the steps of: receiving, from a base station, configuration information including information about a maximum frequency bandwidth and / or a minimum frequency bandwidth for uplink (UL) subbands for subband non-overlapping full duplex (SBFD) communication; checking, on the basis of the configuration information, an index of at least one resource block (RB) corresponding to an available UL subband in a downlink bandwidth part (BWP); and transmitting, on the basis of the checked index of the at least one RB, an UL signal by using the available UL subband in the downlink BWP.

Various embodiments herein provide techniques for downlink and uplink resource mapping for full duplex communication, e.g., non-overlapping sub-band-full duplex (NOSB-FD) communication that includes a frequency resource for uplink communication and a frequency resource for downlink communication. Also described are techniques for user equipment (UE) behavior associated with a non-cell defining synchronization signal block (NCD-SSB). Other embodiments may be described and claimed.

The present disclosure relates to a 5G or 6G communication system for supporting higher data transmission rates. A method performed by a terminal in a wireless communication system is provided. The method comprises receiving, from a base station, downlink control information (DCI) for scheduling a physical uplink shared channel (PUSCH), the DCI comprising frequency domain resource assignment (FDRA) information for the PUSCH, in case that the PUSCH is scheduled to overlap uplink (UL) symbols, transmitting, to the base station, the PUSCH on first resource block groups (RBGs) identified based on the FDRA information and in case that the PUSCH is scheduled to overlap sub band full duplex (SBFD) symbols, transmitting, to the base station, the PUSCH on second RBGs identified based on the FDRA information.

A method, system and apparatus are disclosed. According to one aspect of the present disclosure, a wireless device is provided. The wireless device is configured to receive control signaling for a physical uplink control channel, PUCCH, transmission. Wireless device is configured to perform the PUCCH transmission based on the control signaling, the PUCCH transmission spanning a plurality of slots, the plurality of slots including at least one slot containing at least one UL-only symbol and at least one slot containing at least one subband full duplex, SBFD, symbol, and the PUCCH transmission spans the at least one UL-only symbol and the at least one SBFD symbol.