Abstract: Disclosed is a method that decodes a broadcast channel to obtain first system information periodically broadcasted from a base station; applies at least one cell selection parameter indicated in the first system information to camp on a cell served by the base station and storing the first system information; accesses the camped cell based on at least one random access parameter indicated in the first system information; and determines whether at least one of a system information block of second system information available in the camped cell is provided based on at least one of the periodic broadcast and an on-demand basis. The on-demand basis to deliver the corresponding system information block of the second system information available in the camped cell is decided based on at least one of an indication and a flag included in the first system information for the system information block.

Abstract: Provided are a method for activating, by a user equipment (UE), a bandwidth part in a wireless communication system. The method may include: activating a first bandwidth part among multiple bandwidth parts; when a problem of the first bandwidth part is detected, deactivating the first bandwidth part; activating a second bandwidth part among the multiple bandwidth parts; and performing uplink transmission to a base station via the activated second bandwidth part.

Abstract: In the present invention, a UE configured with a SPS resource which occurs periodically for a predetermined time duration transmits indication information using the last SPS resource which occurs last in the predetermined time duration, if the last SPS resource is not sufficient to accommodate uplink data available for transmission. The indication information informs a network that there is uplink data remaining after the UE performs uplink data transmission on the last SPS resource.

Abstract: Dedicating antenna elements to specific wireless devices by identifying specific wireless devices that meet a set of criteria, such as wireless devices using a certain application type that is associated with a bandwidth, and respectively dedicating a separate portion of antenna elements for communicating with each specific wireless device. The separate portion of antenna elements is selected based on being configured to utilize a bandwidth that meets a threshold bandwidth or matches the bandwidth associated with the application type.

Abstract: The embodiments herein relate to terminating call handling for power saving activated user equipment. In one embodiment, there proposes a method in a IP Multimedia Subsystem Application Server, IMS-AS, for handling a terminating call for a User Equipment, UE, using power saving functionality, comprising: obtaining power saving information of the UE; handling the terminating call based on the power saving information. With the embodiments, the time and network resource for the terminating call can be saved and the user's experience can be enhanced.

Abstract: The invention discloses a method and device for determining a transmission resource for device-to-device (D2D) communications and capable of enhancing D2D communication quality. The method comprises: determining a plurality of transmission resource sets, wherein each of the plurality of transmission resource sets comprises at least one transmission resource block and has a corresponding distance threshold; and determining, from the plurality of transmission resource sets, and according to current location information of first terminal equipment and distance thresholds of the plurality of transmission resource sets, a target transmission resource set for the first terminal equipment to perform D2D communication.

Abstract: Disclosed is a method that decodes a broadcast channel to obtain first system information periodically broadcasted from a base station; applies at least one cell selection parameter indicated in the first system information to camp on a cell served by the base station and storing the first system information; accesses the camped cell based on at least one random access parameter indicated in the first system information; and determines whether at least one of a system information block of second system information available in the camped cell is provided based on at least one of the periodic broadcast and an on-demand basis. The on-demand basis to deliver the corresponding system information block of the second system information available in the camped cell is decided based on at least one of an indication and a flag included in the first system information for the system information block.

Abstract: A data packet forwarding method and an apparatus, where the method includes: receiving, by a forwarding device, a first default flow entry of the virtual network from a controller, where the first default flow entry of the virtual network instructs the forwarding device to send a data packet to a specified forwarding device when the forwarding device looks up a first flow table based on a match item of the data packet but no flow entry is hit; receiving, a first data packet from an end system; and when the controller is faulty and the forwarding device looks up the first flow table based on a match item of the first data packet but no flow entry is hit, sending, by the forwarding device, the first data packet to the specified forwarding device using the first default flow entry of the virtual network.

Abstract: A method of transmitting uplink (UL) control information for a user equipment (UE) for supporting a plurality of TTI lengths, a plurality of subcarrier spacing, or a plurality of processing times in a wireless communication system is performed by the UE and includes mapping the UL control information to a radio resource in a TTI including two or three symbols, the UL control information including HARQ-ACK, a rank indicator (RI), a channel quality indicator (CQI), or a precoding matrix indicator (PMI), and transmitting the UL control information to a base station, wherein, when there is no symbol to which a DMRS is mapped in the TTI, HARQ-ACK is mapped to a first symbol in the TTI in descending order from a highest frequency index resource element (RE) and the RI is mapped to the other symbol in the TTI in descending order from a highest frequency index RE.

Abstract: The present disclosure provides a PDCCH resource configuration method, a PDCCH resource determining method, a network device and a user equipment. The PDCCH resource configuration method is applied to a network device and includes: determining resource configuration information of PDCCH, where the resource configuration information at least includes: REG bundle size, CCE-REG mapping manner, and REG mapping manner; and configuring PDCCH resources according to the resource configuration information, and transmitting the resource configuration information to a user equipment.

Abstract: A method includes determining, by a Media Access Control (MAC) layer of a first wireless station, a total length of user data in a first Physical Layer (PHY) Protocol Data Unit (PPDU); determining, by the MAC layer, a Hybrid Automatic Repeat Request (HARQ) block size; adding a first indication to a transmission vector, wherein the first indication indicates the total length of user data in the first PPDU; adding a second indication to the transmission vector, wherein the second indication indicates the HARQ block size; passing the transmission vector to a PHY layer of the first wireless station; generating, by the PHY layer, the first PPDU based on the first indication and the second indication, wherein the first PPDU includes a first set of HARQ blocks that each have a size equal to the HARQ block size; and transmitting the first PPDU to a second wireless station.

Abstract: This specification provides a method of transmitting and receiving data in a wireless communication system and an apparatus therefor. Specifically, a method for transmitting and receiving data in a wireless communication system by a user equipment includes receiving downlink control information from a base station and receiving downlink data from the base station through a downlink shared channel configured based on the downlink control information, wherein when the downlink data is broadcasted, a bundling size for the downlink shared channel is configured as a pre-defined value.

Abstract: Methods and systems are provided for increasing bandwidth efficiency in satellite communications. In some embodiments, a satellite communications method is provided that comprises receiving, at a gateway ground station and as part of a downlink transmission from a satellite, a combined source signal comprising a plurality of source signals with an overlapping bandwidth, and extracting, from the downlink transmission, information specifying at least one predetermined modulation method. The method also includes generating, based on the at least one predetermined modulation method and from the combined source signal, a plurality of estimated waveforms corresponding to the plurality of source signals, separating, by signal cancellation and using the plurality of estimated waveforms, the plurality of source signals from the combined source signal, and routing, with a terrestrial network, the plurality of source signals to one or more user ground terminals.

Abstract: A control information transmission method, apparatus, and systems are disclosed. An example method includes: determining configuration information of a control channel, wherein the configuration information comprises at least one of frequency domain information or time domain information, the at least one of frequency domain information or time domain information indicates a time-frequency resource occupied by the control channel, and the configuration information further comprises indication information indicating a quantity of at least one resource element set, wherein the time-frequency resource occupied by the control channel comprises the at least one resource element set; mapping control information to one or more of the at least one resource element set based on the configuration information; sending the configuration information to a terminal device; and sending the control information to the terminal device.

Abstract: A wireless device receives, from a non-terrestrial network (NTN) base station, access network information indicating an access network type of a plurality of access network types comprising: a geostationary earth orbit (GEO) access network type; and a low earth orbit (LEO) access network type. Based on the access network type, first non-access stratum (NAS) period among a plurality of NAS period are selected. The plurality of NAS periods comprise: a first value associated with the GEO access network type; and a second value associated with the LEO access network type. A NAS procedure is initiated by sending, to an access and mobility management function (AMF) via the NTN base station, a first NAS request message. A start of the first NAS period is based on the sending. The NAS procedure is aborted in response to an expiration of the first NAS period.

Abstract: A method in a user equipment (110) comprises receiving (604) a grant (305, 405, 505), the grant scheduling one or more dynamically-delayed transmissions (310A-C, 410A-C, 510A-C) for the user equipment. The method comprises in response to receiving the grant, starting (608) a timer associated with dynamically-delayed scheduling, wherein at least one of a start time of the timer and a duration of the timer is configured such that the user equipment is active when an acknowledgement of the one or more dynamically-delayed transmissions is expected to be received by the user equipment.

Abstract: Disclosed are a method for transmitting and receiving an uplink channel in a wireless communication system and an apparatus therefor. Specifically, a method for transmitting, by a user equipment (UE), an uplink channel may include: receiving a specific reference signal from a base station; determining the number of beams for transmitting an uplink control channel for reporting uplink control information generated based on the specific reference signal; and transmitting, to the base station, the uplink control channel via a single beam or a plurality of beams, in which the number of beams may be determined based on at least one of measurement information by a downlink reference signal received by the base station or a type of uplink control information.

Abstract: A data transmission method comprises: determining whether a switched target Data Radio Bearer (DRB) supports sequential data transmission or not, when a DRB remapping event is detected during a data transmission process of a target data stream; in case that transmitting, through an original DRB, data packets in the target data stream that have been delivered to the original DRB, and transmitting, through the target DRB, data packets in the target data stream that have not been delivered to the original DRB, in case that the target DRB does not support sequential data transmission; and in case that transmitting data packets in the target data stream in a transmission mode in which sequence of data packets is not changed, in case that the target DRB supports sequential data transmission.

Abstract: This application provides a method and an apparatus for obtaining system information SI. The method includes: sending, by a terminal device, a first message to a network device, where the first message includes first request information used to request first system information SI; and detecting, by the terminal device, a second message and obtaining the first SI, where the second message includes information used to respond to the request of the first request information. The terminal device may send the first request information to the network device based on an actual requirement, and detect the second message on a preset time-frequency resource.

Abstract: In a communication network with separate data planes including a control plane and a user plane, an application function is provided as a combination of an application function control plane (AF-CP) part operating in the network's control plane and an application function user plane (AF-UP) part operating in the network's user plane. The application function user plane part may be configured for the application-specific processing of user data, and instanced multiple times. The application function control plane part may be configured to support selecting an optimal instance of the application function user plane part for a particular UE.