Abstract: A signal receiving method, a signal transmission method, UE, and a network device are provided. The signal receiving method includes: determining a frequency domain position and/or spatial domain position for receiving a signal, wherein the frequency domain position includes one or more of a plurality of frequency domain positions, and the spatial domain position includes one or more of a plurality of spatial domain positions; and receiving the signal at the determined frequency domain position and/or spatial domain position. The signal is one or more of a pre-indication signal, information carried in a PDCCH, and a paging message.

Abstract: Methods, systems, and apparatus for downlink control information (DCI) detection are provided. In one aspect, a DCI detection method includes: receiving a configuration parameter that is used to configure at least one or more groups of candidate resources, each of the one or more groups of candidate resources carrying one piece of DCI, and in response to determining that one corresponding piece of DCI is blindly detected from one of the one or more groups of candidate resources, stopping the blind detection on the one of the one or more groups of candidate resources.

Abstract: A method comprising extending a transmission delay caused by a clear channel assessment check delaying a communication between an access point and a user equipment over an unlicensed transmission link beyond a start of an earliest possible subframe/slot with useful data, the transmission delay being extended till a defined period from a start of a subframe/slot.

Abstract: A method and system for mitigating inter-satellite interference are provided. The method includes modifying a beam bore-sight of a satellite according to a hexagonal mapping, identifying beams of the satellite positioned outside of the hexagonal mapping, and reducing power of the beams positioned outside of the hexagonal mapping.

Abstract: Example methods, apparatus, articles of manufacture and systems for providing secondary coverage in a mobile communication system are disclosed. Example methods for a first device to provide secondary coverage in a mobile communication system include transmitting a secondary coverage signal and receiving a presence indication from a second device. Such example methods can also include reporting the presence indication to an access node of the mobile communication system. Such example methods can further include receiving information from the access node to enable relay node functionality in the first device in response to reporting the presence indication to the access node.

Abstract: Embodiments herein provide a method and system for managing Grant-free data transmission in a radio communication network. The proposed method includes composing, by a Base Station (BS), a Select Signal (SS) for a transceiver device, where the SS is configured to control a grant-free data transmission from the transceiver device. Further, the proposed method includes transmitting, by the BS, the SS to the transceiver device. Further, the proposed method includes receiving, by a transceiver device, the SS from the BS. Further, the proposed method includes decoding, by the transceiver device, the SS and furthermore, the proposed method includes controlling, by the transceiver device, a data transmission by one of activating the grant-free data transmission from the transceiver device in response to successful decoding of the SS, and deactivating the grant-free data transmission from the transceiver device in response to unsuccessful decoding of the SS.

Abstract: To appropriately communicate a control channel even when communication is performed by applying a configuration of the control channel different from those of legacy LTE systems, a user terminal according to the present invention includes: a reception section that receives a downlink control channel transmitted by each of a plurality of control resource sets; and a control section that controls monitoring of a downlink control channel candidate, and the control section controls allocation of a number of downlink control channel candidates to each of the control resource sets assuming that the number of downlink control channel candidates configured to a combination of the control resource sets in a given time unit does not exceed terminal capability.

Abstract: A user equipment, apparatus, and method receives from a base station, for each bandwidth part of a plurality of bandwidth parts provided in a bandwidth of one carrier, information indicating a frequency location of the bandwidth part and information indicating a subcarrier spacing applied to the corresponding bandwidth part, and receives, from the base station, broadcast information including information on a special bandwidth part which the user equipment should use initially. A base station transmits to a user equipment, for each bandwidth part of a plurality of bandwidth parts provided in a bandwidth of one carrier, information indicating a frequency location of the bandwidth part and information indicating a subcarrier spacing applied to the corresponding bandwidth part, and transmits to the user equipment, broadcast information including information on a special bandwidth part which the user equipment should use initially.

Abstract: Embodiments of a User Equipment (UE), generation Node-B (gNB) and methods of communication are generally described herein. The UE may receive, from a gNB, a narrowband physical downlink control channel (NPDCCH) that indicates a number of narrowband internet-of-things (NB-IoT) downlink subframes for a downlink scheduling delay of a narrowband physical downlink shared channel (NPDSCH) in one or more radio frames configured for time-division duplexing (TDD) operation. Subframes of the one or more radio frames may include uplink subframes, NB-IoT downlink subframes for downlink NB-IoT transmissions, and downlink subframes for other downlink transmissions. The UE may determine the downlink scheduling delay based on an earliest subframe for which a count of NB-IoT downlink subframes is equal to the number of NB-IoT downlink subframes indicated in the NPDCCH.

Abstract: A base station and/or a wireless device may perform a random access procedure. A downlink transmission for initiating a random access procedure may indicate an antenna panel for transmission of a random access preamble. A slot for transmission of the random access panel, from the wireless device, may be determined based on an antenna panel activation delay.

Abstract: A method for indicating TXOP duration in a wireless communication system, comprising: generating, by a TXOP holder, a physical layer protocol data unit (PPDU), the High Efficiency Signal field A (HE-SIGA) in the PPDU carries a TXOP duration field, wherein the TXOP duration field is used to indicate the remaining time for using the channel by the station to other stations; wherein the TXOP duration field includes a first part which is used to indicate the granularity used, and a second part which is used to indicate the TXOP duration using the granularity indicated by the first part; so as that different granularities are able to be used to indicate different TXOP duration in the system; sending, the generated PPDU.

Abstract: The present disclosure relates to methods for transmitting or receiving one on more signals in a system where multiple numerologies are used, and for adapting, selecting, or determining the ON/OFF mask for said signals depending on the numerology used for the respective signals, and based on the location of critical signals close to the transient periods. The disclosure also relates to corresponding devices and to a computer program for executing the proposed methods, and to a carrier containing said computer program. Further, embodiments relating to a host computer and activities therein, is also comprised in the current disclosure.

Abstract: A system information transmission method and device. The system information transmission method comprises: generating, by a first communication node, first system information indicative of indication information corresponding to second system information, wherein the second system information is used to assist a second communication node to access a system; transmitting to the second communication node the first system information; receiving, by the second communication node, the first system information transmitted from the first communication node; receiving, according to the indication information in the first system information, the second system information; and accessing, according to the second system information, the system.

Abstract: The present disclosure provides a downlink data transmission method, including: using a time-division multiplexing transmission mode in one transmission time interval; sending, by using a wide beam, a control signal to a user served in the current transmission time interval; and grouping users and sending data signals to different user groups by using different narrow beams. In one transmission time interval, time-division multiplexing is used, and a wide beam and a narrow beam are respectively used to transmit a control signal and a data signal. This can avoid a throughput bottleneck resulting from use of a transmission scheme that is based on frequency-division multiplexing only.

Abstract: This application provides a full-duplex communication method and an apparatus. The method includes: when sending a first signal to a first device by using a first transmit sector, receiving, by a third device by using a first receive sector, a second signal sent by a second device. A coverage area of the third device in a receiving direction may be divided into at least one receive sector, the at least one receive sector forms one receive sector group, and the third device may receive the second signal by using the first receive sector that is in the receive sector group and that is different from the first transmit sector. In this way, the third device can simultaneously receive a signal and send a signal by using different sectors, to implement full-duplex transmission, and reduce mutual interference between signal sending and signal receiving, thereby improving communication quality of the full-duplex transmission.

Abstract: Embodiments of this disclosure provide a relay selection method and apparatus and a system. The method includes: relay equipment broadcasts relay discovery information, the relay discovery information including identifier information (a relay UE ID) of the relay equipment and identifier information (a cell ID) of a serving cell of the relay equipment, so that remote terminal receiving the relay discovery information selects relay equipment according to the relay discovery information or transmits relay information of discovered relay equipment to an eNB, thus the eNB may select relay equipment for the remote terminal. With the embodiments of this disclosure, the serving cell may learn a cell where a relay to which the terminal accesses is located, so as to perform configuration for the terminal or perform path switching of downlink data.

Abstract: A frequency-band state processing method and device are provided. The frequency-band state processing method at a UE side includes: receiving, by a UE, control signaling sent by a network device; wherein the control signaling includes at least one BWP identifier and a state configuration indication, and the state configuration indication includes an activation indication or a deactivation indication; configuring, by the UE according to the state configuration indication, a BWP state of a BWP corresponding to the BWP identifier included in the control signaling.

Abstract: The present disclosure relates to a slice-based communications method. In one example method, an access and mobility management function (AMF) node sends a first request message to a network slice selection function (NSSF) node. The AMF node receives a response message from the NSSF node. The AMF node obtains, based on the response message, allowed network slice selection assistance information (NSSAI).

Abstract: Certain aspects of the present disclosure provide techniques for selectively activating physical downlink control channel (PDCCH) repetition for retransmissions in wireless communications systems. In an exemplary method, a base station (BS) may transmit, without repetition, a physical downlink shared channel (PDSCH) to a user equipment (UE) in a set of initial transmissions in a period of a transmission cycle; and activate repetition including multiple transmissions for physical downlink control channels (PDCCHs) in a potential retransmission slot for the UE during the period.

Abstract: A user terminal (UT) for a mobile satellite communications system, and an associated method for managing tracking areas for such a UT is provided. When initiating establishment of a radio connection, the UT transmits a connection request message to a satellite gateway (SGW) of the mobile satellite communications system, where the connection request message includes position information identifying a current location of the UT. The UT processes a connection setup message received in response to the connection request message, where the connection setup message includes a first tracking area identifier (TAID) that identifies a one of a plurality of tracking areas that is associated with the current location of the UT. The UT transmits a connection complete message to the SGW, together with an attach request message for a core network of the mobile satellite communications system, which includes the first TAID.