Abstract: A method, network node and wireless device are provided. A wireless device for wireless communications is provided. The wireless device includes processing circuitry including a processor and a memory, the memory configured to store instructions that, when executed by the processor, configure the wireless device to: receive activation information before a completion of a handover of the wireless device from a serving network node to a target network node where the activation information indicates a first set of a plurality of sets of reference signal configurations has been activated for reference signal feedback, and provide reference signal feedback based on the first set of the plurality of sets of reference signal configurations.

Abstract: A method for establishing a wireless data link between at least two vehicles which are connected to one another via a physical data link includes transmitting link parameters of the wireless link via the physical data link connecting the at least two vehicles and establishing the wireless link using the link parameters transmitted via the physical data link connecting the at least two vehicles.

Abstract: A method for transmitting a PTRS, a terminal, and a network device are disclosed in this disclosure. The method includes: acquiring target DMRS ports corresponding to two PTRS ports respectively in a scenario where a terminal performs non-codebook based uplink transmission by using a CP-OFDM waveform; and transmitting corresponding PTRSs to a network device by using respective target DMRS ports.

Abstract: A wireless device is configured to support connections to one or more serving cells in a first radio access network (RAN), using a first radio access technology (RAT) and to one or more serving cells in a second RAN, using a second RAT that differs from the first RAT. The wireless device receives one or more handover commands as part of a handover of the wireless device to a base station in the first RAN, and determines, based on the one or more handover commands, that the wireless device is to revert from a currently configured Packet Data Convergence Protocol (PDCP) configuration to a PDCP configuration associated with the first RAT. The wireless device then reverts to the PDCP configuration associated with the first RAT, in response to said determining.

Abstract: A method and apparatus for measuring and reporting cross-link interference are provided. The method includes receiving, from a base station (BS), a measurement configuration for the CLI, performing measurement on the configured measurement object based on the measurement configuration for the CLI and transmitting, to the BS, based on a measurement result of at least one of a resource from a plurality of resources for measuring the CLI of the configured measurement object exceeding a threshold, a measurement report for all of the plurality of resources for measuring the CLI of the configured measurement object whose measurement result exceeds the threshold.

Abstract: The present specification provides a method for receiving information on a guard symbol, which is performed by a node in a wireless communication system, the method comprising: receiving information on the guard symbol; and applying the information on the guard symbol, wherein the information on the guard symbol indicates the number of guard symbols for each combination of a mobile terminal (MT) operation and a distributed unit (DU) operation, and the guard symbol is a symbol that is not used on the basis of a transition between the MT operation and the DU operation.

Abstract: A method for testing wireless communications devices includes controlling a wireless environment simulator for creating a simulated wireless environment around a device under test (DUT). The DUT includes a wireless communications system. The method further includes stimulating the DUT as specified by a test case and recording, using a test monitor, one or more wireless signals transmitted between the DUT and the wireless environment simulator in response to stimulating the DUT. The method further includes generating a test result for the DUT based on comparing performance data from the wireless signals with expected performance specifications for the test case.

Abstract: In one embodiment, a service receives signal characteristic data indicative of characteristics of wireless signals received by one or more antennas located in a particular area. The service identifies an object in the particular area, based on the received signal characteristic data. The service associates the identified object with an object kinematics model. The service updates the object kinematics model over time by applying Bayesian inference to changes in the signal characteristic data.

Abstract: Aspects of this disclosure relate to a time-division duplex (TDD) multiple-input multiple-output (MIMO) system that includes a plurality of nodes. The plurality of nodes collectively includes antennas divided into groups. Reference signals can be transmitted from each group of antennas to one or more other groups of antennas during respective time slots. Channel estimates can be generated based on the received reference signals. The channel estimates can be jointly processed to generate calibration coefficients. Each calibration coefficient can represent a ratio associated with a transmit coefficient and a receive coefficient. Example algorithms for the joint processing are disclosed.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may determine a full duplex capability of a wireless node for a particular beam pair; select a beam sweep configuration for full duplex communications based at least in part on the full duplex capability of the wireless node for the particular beam pair; and cause communication to occur using the particular beam pair in accordance with the beam sweep configuration based at least in part on selecting the beam sweep configuration. Numerous other aspects are provided.

Abstract: According to some embodiments, a method in a wireless device comprises: receiving a control channel (e.g., physical downlink control channel (PDCCH)) that includes control information that indicates a set of time and frequency resources allocated for the wireless device to receive a data transmission; determining that the set of time and frequency resources allocated for data transmission overlaps with a control resource region (e.g., control resource set (CORESET)); and receiving the data transmission in the set of time and frequency resources allocated for data transmission. The control information may include a bitmap that indicates at one or more groups of time and frequency resources excluded/included for the data transmission region.

Abstract: A method includes determining, based on a cyclic prefix (CP) length corresponding to a random access preamble and a time length corresponding to a cyclic shift interval, a CP length corresponding to a data channel, and sending the data channel. The method may be applied to a random access procedure.

Abstract: A method for providing vehicular communication in an advanced wireless communication system, which includes instant feedback to enable synchronized cooperative driving, is provided. The method comprises: identifying, at a first V2X-UE, one or more second V2X-UEs in proximity to the first V2X-UE; transmitting, from the first V2X-UE- and to the one or more second V2X-UEs, control channel information identifying a portion of a data pool allocated for V2X intention data; transmitting, from the first V2X-UE and to the one or more second V2X-UEs and on the identified portion of the data pool, V2X intention data; and receiving, at a first V2X-UE- and on a reserved feedback channel, confirmation of receipt of the V2X intention data from a V2X-UE of the one or more second V2X-UEs.

Abstract: Provided is a user terminal which is used in a future wireless communication system which bundles a plurality of slots (sub-frames) in the time direction. When applying bundling, in the leading slot, Additional DMRS (Demodulation Reference Signal) is mapped according to channel quality (factors which lead to a deterioration in quality, such as Doppler shift, propagation environment, etc.), and in second and subsequent slots, the existence of Additional DMRS mapping or the mapping position is selected on the basis of rules concerning Additional DMRS mapping. The control unit (203) of the user terminal (20) specifies, in second and subsequent slots, the existence of Additional DMRS mapping and the mapping position on the basis of the aforementioned rules.

Abstract: There are provided an apparatus, a method and a system, at a first node, and the apparatus comprises: a transmitter operative to transmit sidelink signals to a second node; and a controller operative to determine whether to use an exceptional resource pool based on at least one of a first condition and a second condition, for the transmitter to transmit sidelink signals, wherein the first condition includes that a first channel busy ratio measured during a first congestion control operation regarding a current resource pool is higher than a first threshold, and the second condition includes that at least one packet is determined to be dropped during the first congestion control operation.

Abstract: Methods, systems, and devices for wireless communications are described. The described techniques provide for a base station transmitting to a user equipment (UE) a partial bandwidth configuration for uplink transmissions, where the partial bandwidth configuration may indicate a channel interlace and a portion of a channel bandwidth, for example, for autonomous uplink (AUL) transmissions. The base station may also transmit to the UE an AUL configuration including a group identifier. The UE may determine a starting offset with respect to an AUL subframe for a partial bandwidth transmission based on the group identifier. In some cases, different UEs may be grouped into groups of UEs allocated non-overlapping resources, and UEs allocated overlapping resources may have different starting offsets to begin transmitting. According to the determined starting offset, the UE may perform the partial bandwidth transmission over the channel interlace and the portion of the channel bandwidth.

Abstract: A terminal apparatus, a location server, and methods for performing positioning measurement are provided. A terminal apparatus includes: a receiver configured to receive a PRS configuration from a location server; receive a first PRS resource from a serving cell and a second PRS resource from a neighboring cell based on the PRS resource configuration; and a position measuring unit configured to determine a RSTD based the reception timing(s) of the first PRS resource and/or second PRS resource; wherein the first PRS resource and the second PRS resource are configured with a first subcarrier spacing and a second subcarrier spacing respectively; the first PRS resource and the second PRS resource are configured with their corresponding QCL information for determining their corresponding spatial receiving filter for receiving the first PRS resource and the second PRS resource by the terminal apparatus respectively; the first QCL information is different from the second QCL information.

Abstract: A network access node and a client device for generating and using cubic phase polynomial sequences (si, sj) of length L with a third order coefficient value a3 belonging to the subset of sequences () are described. The network access node transmits a control message to the client device, wherein the control message indicates the cyclical shift value NCS and the third order coefficient value a3. The client device receives the control message and determines a cubic polynomial phase sequence (si) belonging to the subset of sequences () based on the cyclical shift value NCS and the third order coefficient value a3. The client device thereafter transmits the determined cubic polynomial phase sequence (si) as a random access preamble to the network access node.

Abstract: Examples disclosed herein relate to a method comprising detecting, by a first network device, an interruption in a network stack of network devices connected to each other through a plurality of dedicated links. The method may also include identifying, by the first network device, a network device in the network stack with a highest split priority, determining, by the first network device, that the network device with the highest split priority belongs to a first fragment of the network stack and marking, by the first network device, the first fragment as an active fragment of the network stack.

Abstract: The disclosure relates to a communication technique and a system for fusing a 5th generation (5G) communication system with Internet of Things (IoT) technology to support a higher data rate after a 4G system. The disclosure can be applied to intelligent services (e.g., a smart home, a smart building, a smart city, a smart car or a connected car, healthcare, digital education, retail, security- and safety-related services, or the like), based on 5G communication technology and IoT-related technology. The disclosure provides a method and an apparatus for assigning frequency and time resources for data transmission in a wireless communication system.