Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive signaling indicating a configuration for communicating to the UE a random access response of a random access procedure. The configuration may indicate a first quantity of instances of control information associated with the random access response in a set of slots and a portion of the time window configured for the first quantity of instances. The UE may monitor the set of slots for instances of the control information and receive a second quantity of instances of the control information for the UE in a first subset of slots of the set of slots. The second quantity of instances may be less than the first quantity of instances. The UE may combine the instances of the control information from the first subset of slots and decode the random access response based on combining the instances.

Abstract: An information transmission method, a base station, a mobile terminal, and a computer readable storage medium are provided. The information transmission method includes transmitting, to a mobile terminal, configuration information of a target frequency point used by the mobile terminal in a random access procedure, wherein the configuration information includes time slot information corresponding to the target frequency point and/or identification information of the target frequency point.

Abstract: 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 Internet of things (IoT) are provided. The communication method and system may be applied to intelligent services based on the 5G communication technology and the 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. A method, terminal, and base station for performing a random access procedure in a wireless communication system are provided.

Abstract: Various schemes pertaining to conditions on LBT impact on MAC counters in mobile communications involve a user equipment (UE) determining a status of a listen-before-talk (LBT) failure detection and recovery feature. Based on the status of the LBT failure detection and recovery feature (e.g., whether the LBT failure detection and recovery feature is configured or not configured), a preamble transmission counter in a random access (RA) procedure or a scheduling request (SR) counter in a SR procedure is conditionally incremented in the event of an LBT failure.

Abstract: The present disclosure relates to a wireless communication system, and specifically, a method and an apparatus therefor, the method comprising: generating first A/N information for a first PDSCH group and second A/N information for a second PDSCH group, wherein each PDSCH group is a basic group for an A/N request; based on an A/N for a specific PDSCH not belonging to any PDSCH group being transmitted with the first and second A/N information, appending the A/N for the specific PDSCH after the first and second A/N information; and transmitting control information including the first and second A/N information and the A/N for the specific PDSCH.

Abstract: A central cloud server includes a connectivity enhanced database that specifies a plurality of time-of-day specific uplink and downlink beam alignment-wireless connectivity relationships for a surrounding area of each of a plurality of edge devices. The central cloud server obtains sensing information from the plurality of edge devices, where the sensing information includes position information of the plurality of edge devices and weather information in the surrounding area of each of the plurality of edge devices. The central cloud server utilizes the weather information to determine changes in a performance state of each of the plurality of edge devices in servicing one or more user equipment in the surrounding area in different weather conditions. The central cloud server furthers causes one or more edge devices to select a beam configuration or a radiation pattern in accordance with the weather information for high performance communication.

Abstract: A method and apparatus for accessing a NR cell in a mobile communication system are provided. Method for accessing a NR cell includes receiving in a first cell, by a terminal from a base station, a System Information Block1, monitoring, by the terminal, Physical Downlink Control Channel (PDCCH) for Random Access Response based at least in part on a specific ra-ResponseWindow and a specific ra-SearchSpace.

Abstract: The present invention provides a method for configuring a random access channel transmitting resource in a time division duplexing (TDD) mode and a device thereof. The method comprises generating configuration information for indicating a random access channel transmitting resource. The configuration information comprises period indicating information for indicating a configured period of the random access channel transmitting resource, and/or offset indicating information for indicating an offset of the random access channel transmitting resource in the configured period. The method further comprises transmitting the configuration information to user equipment (UE).

Abstract: Embodiments of the present disclosure relate to a method for transmitting sidelink data, a terminal device and a non-transitory computer-readable storage medium. The method includes obtaining, by a terminal device, first configuration information; and obtaining, by the terminal device, second configuration information. The first configuration information is used to indicate to transmit a first sidelink transmission channel on a target transmission resource. The second configuration information is used to transmit a second sidelink transmission channel on the target transmission resource. The method further includes sending, by the terminal device, the first sidelink transmission channel or the second sidelink transmission channel on the target transmission resource according to a preset rule.

Abstract: The present disclosure provides a method and a device in a User Equipment (UE) and a base station used for wireless communications. The UE receives first information and second information, performs a first access detection in a first time window, and then transmits a first radio signal at a first time, or drops transmission of a first radio signal at a first time; wherein the first information indicates configuration information of the first radio signal and a first priority class, and the second information indicates a second priority class, the first radio signal being correlated with a first antenna port group; the first antenna port group is spatially correlated with a second antenna port group, and a relationship between the first priority class and the second priority class is used for determining duration of the first time window.

Abstract: This disclosure provides systems, methods and apparatus for a user equipment (UE), operating in a shared spectrum in a connected state or an idle state, to receive a channel occupancy time structure information (COT-SI) which includes one or more of a COT duration, a COT end symbol, and a COT pause indication, in addition to slot format indication for one or more slots. Some aspects described herein define a hierarchical approach to COT structure information (COT-SI) signaling. For example, a UE may be configured with a set of short COT tables using remaining minimum system information (RMSI) signaling and may receive concatenation of COT-SI signaling identifying index values in a control channel corresponding to one or more of the set of COT tables. Based on receiving COT-SI signaling, the UE may communicate in accordance with an occurrence of a COT.

Abstract: The present disclosure provides a method for receiving a physical downlink shared channel (PDSCH) by a terminal in a wireless communication system. Specifically, the method may comprise: transmitting a physical random access channel (PRACH); monitoring a downlink control channel (DCI) for scheduling a PDSCH related to the PRACH; and receiving the PDSCH on the basis of the DCI, wherein the DCI is detected on the basis of a radio network temporary identifier (RNTI).

Abstract: The present disclosure relates to an electronic device, a radio communication method, and a computer readable storage medium. The electronic device of the present disclosure comprises a processing circuit and is configured to use a group common-physical downlink control channel (GC-PDCCH) to transmit information about a termination position of a downlink transmission using an unlicensed spectrum. The electronic device, the radio communication method, and the computer readable storage medium of the present disclosure can be used to better design a GC-PDCCH according to characteristics of an NR communication system.

Abstract: Methods and apparatus in a multi-carrier cellular wireless network with random access improve receiving reliability and reduce interference of uplink signals of a random access, while improving the detection performance of a base station receiver by employing specifically configured ranging signals.

Abstract: A method and apparatus are provided for transmitting data. The method includes: acquiring downlink control information of a frame to be scheduled, the downlink control information at least including configuration information of an embedded resource of the frame to be scheduled; scheduling, based on the downlink control information, a downlink information transmission unit to transmit downlink data and uplink allocation information of the frame; and upon a transition latency, acquiring, based on the uplink allocation information, hybrid automatic repeat request (HARQ) feedback information transmitted over the downlink data and uplink data from an uplink information transmission unit.

Abstract: Methods, a terminal device and a base station are disclosed for channel sensing in unlicensed spectrum. According to an embodiment, a terminal device determines to perform physical random access channel (PRACH) or physical uplink control channel (PUCCH) transmission in unlicensed spectrum. The base station determines one or more listen before talk (LBT) parameters for the PRACH or PUCCH transmission according to a purpose of the PRACH or PUCCH transmission.

Abstract: A terminal apparatus for communicating with a base station apparatus, the terminal apparatus including: a transmission unit configured to transmit a Phase-tracking reference signal (PTRS); and a higher layer processing unit configured to configure information of mapping of the PTRS. An antenna port for the PTRS is associated with an antenna port for a Demodulation reference signal (DMRS).

Abstract: The present invention is designed so that, even when a sequence-based uplink control channel is used, uplink control information is reported properly. A user terminal according to one aspect of the present invention has a control section that determines signals to transmit in a frequency resource for transmitting uplink control information, and a transmission section that transmits the signals in the frequency resource, and, when the signals include a signal sequence to use an orthogonal resource that is associated with the uplink control information, the control section assumes that a bandwidth of the frequency resource is equal to or greater than a predetermined bandwidth.

Abstract: The present application relates to the field of wireless communications, and in particular, to a method and device for random access, for use in resolving the problem in the prior art of conflict between a time domain resource used by a terminal for random access and a time domain resource occupied for transmission of a SS Block and/or RMSI. In embodiments of the present application, a terminal determines a PRACH time domain resource configured by a base station for the terminal; when determining that at least one time slot comprises a first type of OFDM symbols used for transmission of a SS Block and/or RMSI, the terminal performs random access by means of OFDM symbols different from the first type of OFDM symbols in the at least one time slot.

Abstract: The present disclosure provides a method for receiving a synchronization signal/physical broadcast channel (SS/PBCH) block by a terminal in an unlicensed band. Particularly, the method may comprise: receiving an SS/PBCH block including an SS and a PBCH; detecting an index of a demodulation reference signal (DMRS) sequence for the PBCH; and on the basis of the index of the DRMS sequence, acquiring information relating to a time when an index of the SS/PBCH block and the SS/PBCH block are received, wherein the number of indices of the SS/PBCH block is smaller than or equal to the number of indices of the DMRS sequence, and the indices of the SS/PBCH block are cyclically mapped to the indices of the DMRS sequence.