Abstract: A terminal device includes: a higher layer processing unit configured to set at least one first RAT and at least one second RAT by signaling of a higher layer from the base station device; and a receiving unit configured to receive a transmission signal in the first RAT and a transmission signal in the second RAT. The transmission signal in the first RAT is mapped to a resource element configured on a basis of one physical parameter for each sub frame. The transmission signal in the second RAT is mapped to a resource element configured on a basis of one or more physical parameters for each sub frame and is mapped to a resource element configured on a basis of one physical parameter in a predetermined resource included in each of the sub frames.

Abstract: A transmitting apparatus is provided. The transmitting apparatus includes: a packet generator generating a packet including a header and a payload from an input stream including a plurality of input packets; and a signal processor signal-processing the packet, wherein the header includes a base header which includes: a first field indicating a packet type of the input packets; wherein when the first field is set to a value indicating that the packet type of the input packets is a TS packet, the base header comprises a second field indicating a number of TS packets included in the payload and a third field set to a first value indicating that the header of the packet does not comprises an additional header or a second value indicating that the header of the packet further comprises the additional header, and wherein the third field is set to the second value when TS header compression to remove at least one header of the TS packets is applied to generate the packet.

Abstract: A wireless communication device includes: a transmission unit; a carrier sense unit; a transmission time calculating unit that estimates a necessary transmission time taken from start to completion of the transmission of the wireless frame; a time-out time calculating unit that calculates a time-out time from the predetermined time period and the necessary transmission time; a frame transmission determining unit that compares a carrier detection time during which a carrier notified from the carrier sense unit is detected with the time-out time to determine whether to transmit or discard the wireless frame; and a control unit that, based on the determination result notified from the frame transmission determining unit, (i) notify the transmission unit that the wireless frame is to be transmitted when it is determined to transmit the wireless frame, and (ii) discard the wireless frame when it is determined to cancel the wireless frame.

Abstract: Methods, systems, and devices are described for concurrently performing handoff-related measurements for neighbor cells using multiple input multiple output (MIMO) antenna resources. In one example, a mobile device is in communication with a serving cell. Handoff-related measurements of first wireless signals from a first neighbor cell are performed. The first wireless signals are received at first MIMO antenna resources of a device. Handoff-related measurements of second wireless signals from a second neighbor cell are performed, as well. The second wireless signals are received at second MIMO antenna resources concurrently with the first wireless signals received at the first MIMO antenna resources. The first handoff-related measurements and the second handoff-related measurements may be performed during a scan interval. A type of handoff-related measurement to perform may be determined based on a determined length of the scan interval.

Abstract: A method for secondary node addition is provided. The method includes receiving, by a UE, a first RRC connection reconfiguration message from a master node, adding, by the UE, a secondary node in response to the first RRC connection reconfiguration message; and transmitting, by the UE, an RRC connection reconfiguration complete message to the secondary node via SRB3.

Abstract: An uplink scheduling-free transmission method and an uplink scheduling-free transmission device are provided. The uplink scheduling-free transmission method includes: dividing, by a base station, MA resources into groups of MA resources, and configuring, by the base station, the groups of MA resources to obtain at least two groups of MA resource pools, wherein at least parts of respective MA resources in the at least two groups of MA resource pools are different from each other; and notifying, by the base station, a UE of the at least two groups of MA resource pools, to enable the UE to select an MA resource pool from the at least two groups of MA resource pools, wherein the selected MA resource pool is to be used by the UE.

Abstract: A wireless local area network (WLAN) communication method and apparatus using multiple transmission speed partitioning and cooperative transmission are disclosed. The WLAN communication method includes transmitting, by access point to the nodes, transmission time slots, partitions and internal transmission priorities using transmission time slot information, partition information and internal transmission priority information, receiving uplink packet from one node, determining whether downlink data to be transmitted to the high speed or the low speed node is present, or not in the download queue, transmitting, if present, the downlink packet to the nodes, removing downlink data from the download queue for ACK, and transmitting, if not present, transmitting ACK to the nodes.

Abstract: A method and apparatus include receiving a measurement configuration by higher layer signaling, where the higher layer signaling is above the physical layer. The measurement configuration includes at least information of frequency location of synchronization signals, a carrier frequency, and a maximum allowed measurement bandwidth. A measurement reference signal is then received based on the received measurement configuration, and a measurement based on the received measurement reference signal is performed.

Abstract: The present disclosure relates to a method performed in a network node of a communication network, for facilitating downlink transmission in a shared cell served by a group of at least one Listen Before Talk (LBT) capable Transmission Point (TP). The method comprises determining, for each TP of the group, whether an LBT procedure is to be performed before signal transmission by said TP. The method also comprises, based on the determining, controlling the use of LBT procedures in the shared cell.

Abstract: Embodiments of Vehicle-to-everything (V2X) communications authentication are described. In some embodiments, a user equipment (UE) configured V2X communication and configured to operate within a fifth-generation system (5GS) and/or a combined 5GS and fourth-generation system (4GS) can encode a V2X capability indication in a request message for transmission to a network entity, such as a Access and Mobility Management Function (AMF). The V2X capability indication can indicate a capability of the UE for V2X communication over a PC5 reference point, and the request message can further include an indication of a Radio Access Technology (RAT). In some embodiments, the AMF can determine whether the UE is authorized to use the V2X communications over the PC5 reference point, and whether the UE is authorized to use the RAT indicated in the request message. Accordingly, the AMF can transmit a V2X services authorization to a next generation radio access network (NG-RAN).

Abstract: The present invention relates to a wireless communication system and, particularly, to a method and a device therefor, the method comprising the steps of: configuring a cell group including multiple Ucells; identifying subframe configuration information on a particular cell within the cell group; and configuring subframe transmission directions of cells within the cell group so as to be the same at the same time point, on the basis of the subframe configuration information on the particular cell, wherein the particular cell is one Ucell among the multiple Ucells within the cell group when the cell group includes only Ucells, and the particular cell is an Lcell when the cell group includes the Lcell.

Abstract: A method for resource allocation includes acquiring resource information indicating an available wireless resource and an available computing resource, and allocating the available wireless resource and the available computing resource for a transmission mode of a wireless transmission based on the resource information and a system utility requirement.

Abstract: The present invention provides a method and devices for transmitting and receiving a synchronization signal and a method for generating a synchronization signal in a wireless access system supporting narrowband Internet of Things (NB-IoT). A method for transmitting a primary synchronization signal (PSS) by a base station in a wireless access system supporting narrowband Internet of Things (NB-IoT), according to an embodiment of the present invention, can comprise the steps of: repeatedly generating first sequences n times so as to generate primary synchronization signals; multiplying n first sequences by second sequences and thus generating n primary synchronization signals; and transmitting n primary synchronization signals by means of n OFDM symbols, respectively. The size of a bandwidth used in the wireless access system supporting NB-IoT is the size of one physical resource block (PRB), and one PRB can comprise twelve subcarriers in a frequency domain.

Abstract: For CSI reporting mechanisms, a user equipment (UE) includes a transceiver and a processor operably connected to the transceiver. The transceiver is configured to receive channel state information (CSI) process configuration information including at least one beamformed type associated with a plurality of non-zero-power (NZP) CSI reference signal (CSI-RS) resource configurations and receive a CSI-RS resource index (CRI) reporting configuration. The processor is configured to calculate, in response to receipt of the configuration information, a CRI and a channel quality indicator (CQI). The transceiver is further configured to report the CRI and the CQI by transmitting the CRI and the CQI on an uplink channel.

Abstract: To make it possible to perform retransmission control in which wireless resources are more efficiently utilized, a wireless communication apparatus includes: a wireless communication unit configured to perform wireless communication with a terminal apparatus; a communication control unit configured to control multicast transmission performed by the wireless communication unit; and a setting unit configured to set a threshold for determining whether or not it is necessary for the communication control unit to perform a retransmission process, on the basis of information about reception of a reception acknowledgment response corresponding to the multicast transmission from the terminal apparatus.

Abstract: A wireless transmitter includes a radio interface and transmitter circuitry. The radio interface includes multiple transmit antennas. The transmitter circuitry is configured to hold multiple steering matrices specifying weights to be applied to one or more spatial streams transmitted via the multiple transmit antennas to a receiver that includes one or more receive antennas, the multiple steering matrices are specified over multiple sub-carriers, to calculate smoothed weights, by applying to the weights of the steering matrices phase-only corrections that reduce phase variations among the weights of the steering matrices over the sub-carriers, and to transmit to the receiver beam-formed transmissions of the one or more spatial streams over the sub-carriers, by applying to the spatial streams the smoothed weights in the respective sub-carriers.

Abstract: An MBS (master base station), UE (user equipment) and method operate using dual connectivity where the UE is connected to an MBS and a SBS (secondary base station). Capability information is transmitted to the MBS by the UE and indicates whether the UE supports a SCG (Secondary Cell Group) bearer and whether the UE supports a split bearer split in a PDCP (Packet Data Convergence Protocol) layer of the MBS. The UE receives from the MBS a message configuring, but not simultaneously configuring, either the SCG bearer or the split bearer to the UE. Radio protocols of the SCG bearer are only located in the SBS, and radio protocols of the split bearer are located in both the MBS and the SBS. One split path of the split bearer goes via the SBS and another split path of the split bearer goes via the MBS and not via the SBS.

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for triggering a sidelink buffer status reporting in a D2D communication system, the method comprising: configuring a first ProSe destination including at least one first UE and a second ProSe destination including at least one second UE; receiving a first sidelink data for a first sidelink logical channel from an upper layer; receiving a second sidelink data for a second sidelink logical channel from the upper layer while the UE has the first sidelink data for the first logical channel, wherein the second logical channel has a higher priority than a priority of the first sidelink logical channel; and triggering a buffer status reporting the if the first sidelink logical channel and the second sidelink logical channel belong to a same ProSe destination.

Abstract: A method including transmitting from a base station (BS) at least one parameter for a first type of listen before talk (LBT) procedure to be used for uplink to be received by the base station; and configuring the base station (BS) for a different second type of listen before talk (LBT) procedure for downlink from the base station (BS). A method including receiving by a User Equipment (UE) at least one parameter for a first type of listen before talk (LBT) procedure; using the at least one parameter for uplink transmission from the User Equipment (UE); and receiving data on downlink to the User Equipment (UE) during a portion of a subframe, where the portion is less than an entire subframe.

Abstract: A method for a transmission-side device to transmit a signal in a wireless communication system is disclosed. To this end, the transmission-side device forms a multiplexed block by multiplexing a primary synchronization signal (PSS), a secondary synchronization signal (SSS) and a physical broadcast channel (PBCH) signal in time and frequency domains, wherein the PSS and the SSS form a synchronization signal (SS) by being multiplexed by the time-division multiplexing (TDM) method, and the SS and PBCH signals form the multiplexed block by being multiplexed by the TDM or frequency-division multiplexing (FDM) method.