Abstract: The disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for the Internet of things (IoT). The present disclosure may be applied to intelligent services based on 5G communication technology and IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure provides a method and apparatus for handling message A retransmission during 2 step random access procedures.

Abstract: This application provides a resource scheduling method and apparatus. The resource scheduling method includes: receiving, by a second node, resource configuration information sent by a first node, where the resource configuration information is used to indicate a time domain position of a backhaul resource set, and the backhaul resource set includes a fixed backhaul resource and a plurality of dynamic backhaul resources; receiving, by the second node on the fixed backhaul resource, first indication information sent by the first node, where the first indication information is used to indicate information about scheduled dynamic backhaul resources in the plurality of dynamic backhaul resources; and receiving, by the second node, a signal on the scheduled dynamic backhaul resources.

Abstract: Communications control in response to establishment of a multi-access PDN connection or with rejection of establishment of a multi-access PDN connection is performed based on a response to a PDN connectivity establishment request from a terminal device. This provides a method of communication control and the like in response to a multi-access PDN connectivity establishment request from the terminal device.

Abstract: This disclosure provides systems, devices, apparatus and methods, including computer programs encoded on storage media, for TDRA-based HARQ-ACK feedback generation. In aspects, a UE and a base station may determine that at least one TDRA candidate of a set of TDRA candidates for a PDSCH transmitted from a base station has more than one possible location within a slot. Based on the determination that the at least one TDRA candidate has more than one possible location within the slot, the UE may generate and transmit corresponding HARQ-ACK feedback to the base station, which may decode the HARQ-ACK feedback.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may receive a sidelink communication on a sidelink. The sidelink communication may include at least one of a grant, data received on a resource identified by the grant, a multi-stage grant, a multi-packet grant, or a relaying communication. The wireless communication device may transmit, on the sidelink after a time period since receiving the sidelink communication, a feedback message acknowledging receiving the sidelink communication. Numerous other aspects are provided.

Abstract: A first base station receives first information transmitted by a second base station, the first information includes identification information of a UE, identification information of a first serving cell of the UE, and service frequency of the first serving cell, and the second base station is a serving base station of the first serving cell. If the first base station determines that the UE is self-interfered, the first base station transmits notification information to the second base station, the notification information is used to negotiate with the second base station to allocate a different resource to the UE.

Abstract: A method by a base station includes transmitting, via a first cell operating on a first component carrier, a first radio access network (RAN) profile indexing message to a user equipment (UE), the first RAN profile indexing message comprising a first plurality of Bandwidth Part (BWP) indices corresponding to a first plurality of BWP configurations, transmitting, via the first cell on a first resource block (RB) of a default BWP of the first component carrier, a first BWP index to the UE, the first BWP index corresponding to a first BWP configuration of the first plurality of BWP configurations. The at least one of the first plurality of BWP configurations includes a BWP index associated with the corresponding BWP configuration, and a frequency location of the corresponding BWP configuration, a bandwidth in the frequency domain, a transmission type, and one or more periodic resource allocations associated with the transmission type.

Abstract: Systems, methods, and baseband processors are provided to generate or process symbols in a synchronization subframe. In one example, a method includes selecting non-consecutive orthogonal frequency division multiplexing (OFDM) symbols in a synchronization subframe. A transmitter is instructed to transmit demodulation reference symbols (DM-RS) on identical first sets of subcarriers in respective OFDM symbols of the selected non-consecutive OFDM symbols for a Physical Broadcast Channel (PBCH) using a same transmit beam, wherein a gap between two subcarriers in a respective set of the identical first sets of subcarriers is three subcarriers. The transmitter is instructed to transmit the PBCH on identical second sets of subcarriers in respective OFDM symbols in the selected non-consecutive OFDM symbols.

Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE) may transmit one or more random access messages during a random access procedure between the UE and a base station. The UE may receive a control signal that includes a spatial relation configuration for transmission, by the UE, of an uplink signal. The spatial relation configuration may indicate that transmission of the uplink signal is via a transmit beam used in transmitting one of the random access messages. The spatial relation configuration may configure a spatial relation information element (IE) to identify the random access message. The UE may receive the spatial relation configuration identifying the random access message, and the UE may transmit the uplink signal using a same transmit beam used for transmission of the random access message.

Abstract: The present disclosure relates to a method, performed in a network node of a first network, for designating one or more cells of a second network as neighbouring cells to the first network. The method comprises selecting a set of carriers employed in the second network and transmitting information for the selected set of carriers to a wireless device served by the first network. Measurement reports are received for respective carriers from the wireless device. The network node determines neighbour cell relations between the first network and one or more cells of the second network based on the received measurement reports.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a base station (BS) may determine at least one of a variable random access response (RAR) window start time, a variable maximum quantity of slots for an index of a first slot of a physical random access channel occasion, or scheduling information related to one or more variable delays for an uplink transmission. The BS may transmit, to a user equipment, at least one of information that identifies the RAR window start time, information that identifies the variable maximum quantity of slots, or the scheduling information. Numerous other aspects are provided.

Abstract: The present disclosure relates to a research that has been conducted with the support of the “Cross-Departmental Giga KOREA Project” funded by the government (the Ministry of Science and ICT) in 2017 (No. GK17N0100, millimeter wave 5G mobile communication system development). The present disclosure relates to a communication technique for convergence of a 5G communication system for supporting a higher data transmission rate beyond a 4G system with an IoT technology, and a system therefor. The present disclosure may be applied to an intelligent service (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security and safety-related service, etc.) on the basis of a 5G communication technology and an IoT-related technology.

Abstract: The improved beamforming devices for communication systems operating in the mm-wave spectrum are particularly designed for antenna architectures consisting of antenna arrays, comprising multiple antenna array elements. The disclosed approaches comprise intelligent two stage searches, wherein information from the first stage is used in the second stage. This significantly reduces the computational complexity compared to the known approaches, with minimal loss in performance.

Abstract: A method and a device for determining time-frequency resources comprise: a first communication node determining at least one piece of the following information about a first resource set: time-frequency resources of a second resource set contained in the first resource set, configuration information of the second resource set, time-frequency resource configuration information of the first resource set, and a dynamic signaling indication used for indicating whether the first resource set is multiplexed to a PDSCH transmission or a PUSCH transmission or whether the PDSCH transmission or the PUSCH transmission needs to implement rate matching; and transmitting the information to a second communication node. Therefore, the problem in the related art of how to indicate the time-frequency resources used in the PDSCH transmission or the PUSCH transmission is solved, and the time-frequency resources used in the PDSCH transmission or the PUSCH transmission are indicated to a user.

Abstract: A user terminal according to an aspect of the present disclosure includes a receiving section that receives downlink control information (DCI) indicating transmission of an uplink shared channel, and a control section that determines that a size of a time domain resource allocation (RA) field included in the DCI is different depending on a format of the DCI to control the transmission of the uplink shared channel based on the field. According to one aspect of the present disclosure, the number of candidates of the PUSCH time domain RA can be appropriately controlled.

Abstract: Wireless communications may comprise aperiodic transmission and reception. Control information may be associated with an aperiodic reference signal. A wireless device may be configured to use a first transmission control indicator (TCI) state of at least two TCI states to receive an aperiodic reference signal based on: a scheduling offset, and the aperiodic reference signal overlapping in time with a scheduled physical downlink shared channel (PDSCH).

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may receive, from a base station, a downlink communication that includes an indication of a sidelink grant associated with the first UE. The first UE may identify, based at least in part on the sidelink grant, one or more sidelink resources in which a second UE is to transmit sidelink control information (SCI) to the first UE. The SCI may include information associated with a sidelink data transmission from the second UE to the first UE. Numerous other aspects are provided.

Abstract: Embodiments of an access point (AP), station (STA) and method of communication are generally described herein. The AP may be included in a plurality of APs affiliated with a multi-link AP logical entity. As part of a multi-link AP logical entity, the plurality of APs may share a common medium access control (MAC) data service interface to an upper layer. The AP may exchange signaling with an STA as part of a multi-link setup process between the multi-link TP logical entity and a multi-link non-AP logical entity. The STA may be included in a plurality of STAs affiliated with the multi-link non-AP logical entity. The multi-link setup process may establish a link between each AP of the plurality of APs and a corresponding STA of the plurality of STAs.

Abstract: The disclosure provides a method and a device in a User Equipment (UE) and a base station for wireless communication. The UE first transmits a first radio signal, and then transmits a second radio signal; wherein the first radio signal includes M1 first radio sub-signal(s), and a first sequence is used for generating the first radio sub-signal; the second radio signal includes M2 second radio sub-signal(s), and a first bit block is used for generating the second radio sub-signal; the M1 is a positive integer, the M2 is a positive integer in a target set, and each element in the target set is a positive integer; and the target set is correlated with at least one of the M1 or the first sequence. The disclosure can save overheads caused by control information and improve spectrum efficiency of uplink transmission.

Abstract: Methods, systems, and devices for wireless communications are described. Generally, a base station may transmit downlink control channel messages during one or more monitoring occasions using a first set of resources. The base station may perform a directional listen-before-talk (LBT) procedure on one or more beams. The base station may transmit a control message including instructions to modify monitoring of a wireless channel using the first set of resources over a second set of resources. A UE may monitor, using the first set of resources, for downlink control channel signaling during monitoring occasions according to a first monitoring pattern. The UE may receive, using the second set of resources, the control message, and may monitor the wireless channel according a second monitoring pattern based on the received control message.