A method and system for discovering vehicle-to-everything (V2X) group members are disclosed. A V2X wireless device may receive an indication of a V2X group. The V2X wireless device may discover another V2X wireless device in the V2X group and update a list of neighboring V2X wireless device group members. The list of neighboring V2X wireless device group members may be shared with other V2X wireless device group members. A first V2X wireless device group member may discover a second V2X wireless device group member via a third V2X wireless device group member.

In order to enable control related to radio communication to be performed more appropriately when radio transmission schemes coexist, a radio communication apparatus according to an example aspect of the present invention includes a radio communication processing unit configured to perform communication using a first radio transmission scheme within a frequency band, wherein the radio communication processing unit is configured to perform communication using a second radio transmission scheme within a bandwidth part of the frequency band, radio resources within the bandwidth part being allocable for communication using the second radio transmission scheme.

The disclosure relates to a method and apparatus for real-time transmission in a field broadband bus architecture over an industrial internet, where the field broadband bus architecture over an industrial internet includes: a bus controller, at least one bus terminal, and a two-wire bus over which the bus controller and the bus terminal are connected to constitute a network, the bus controller communicates with any one bus terminal, and the respective bus terminals communicate with each other, using the Orthogonal Frequency Division Multiplexing technology, and sub-carriers occupied by the respective bus terminals do not interfere with each other; and the method includes: the bus controller receives a fixed-rate service transmitted by the bus terminal in an uplink subframe over pre-allocated fixed-rate service resource blocks; and allocates resource blocks for a variable-rate service of the bus terminal in a real-time manner among variable-rate service resource blocks.

An apparatus may include a hierarchical arrangement of a plurality of resource slices of a mobile network. Each of a plurality of logical networks is allocated a resource slice within the mobile network for each of a plurality of layers, wherein each logical network provides network services for one of a plurality of service categories; wherein each logical network includes at least one dedicated resource slice that is dedicated to the logical network, and at least one shared resource slice that is shared among a plurality of the logical networks; the plurality of resource slices including a plurality of resource slices of a first layer and a plurality of resource slices of a second layer, wherein the first layer is lower than the second layer, wherein data from a set of the resource slices of the second layer are aggregated into a single resource slice of the first layer (downlink direction) and data from the single resource slice of the first layer is demultiplexed and forwarded to a selected resource slice of the set of resource slices of the second layer (uplink direction).

A method for performing transmission or reception by a first communication node (511) in at least one of: a first set of time-frequency resources (1201) and a second set of time-frequency resources (1202) in a frame (1200). The first and the second set of time-frequency resources (1201, 1202) are reserved for communication of reference signal and/or control information in a pre-arranged direction of: transmission and reception to or from one or more second communication nodes (512). The first communication node determines (1301) that the direction of communication of at least one of the first and second set is to be switched for at least one frame (1200). The first communication node also performs (1306) transmission or reception of control information in at least one of the first and second set of time-frequency resources (1202) according to the determined switched direction to or from, one or more third communication nodes (513).

There is provided a method for defining at least one channel reservation window the method comprising: setting length for each of the at least one channel reservation window such that each channel reservation window comprises a plurality of sub-frames; dividing the length of each channel reservation window into a transmission part and an idle part, wherein the idle part consists of one or more symbols in one sub-frame; maximizing, at a symbol level accuracy, the length of the transmission part such that a ratio between the length of the idle part and the length of the transmission part fulfils a predetermined criterion; and concatenating the transmission part and the idle part so as to form the channel reservation window.

The present disclosure relates to the field of wireless communication technology, and provides a data transmission method and a data transmission device, so as to solve the problem in the related art where, for 5G application scenarios, in the case that an uplink scheduling algorithm for a conventional 4G system continues to be used, a large number of control signaling overheads are required due to the meteoric growth in the number of UEs to be connected. In the present disclosure, a network side device determines non-orthogonal multiple access basic transmission units allocated to UEs, detects a pilot signal from each UE on the corresponding non-orthogonal multiple access basic transmission unit, and in the case that the pilot signal has been detected, performs data detection on the UE which has transmitted the pilot signal through the non-orthogonal multiple access basic transmission unit.

Techniques for wireless communication are described. One method includes identifying a data structure associated with an uplink pilot time slot (UpPTS) and a demodulation reference signal structure associated with the UpPTS, where the UpPTS occurs during a portion of a subframe, and communicating with a second device based at least in part on the data structure and the demodulation reference signal structure.

A hub apparatus and a method for controlling the same are provided for efficiently managing a frequency slot or a time slot in communication between at least one hub apparatus and at least one device. The hub apparatus includes a communicator configured to receive a communication signal from at least one device; a controller configured to allocate time slots for the at least one device on the basis of the communication signal received from the at least one device, and when the communicator receives a communication signal from a new device other than the at least one device, transmit a control signal for reallocating time slots for at least one device having the new device; and a memory configured to store data that is associated with a communication frequency, a use amount of time slots, and a communication signal strength of the at least one device.

Embodiments of the present invention provide a baseband processing unit, a radio remote unit, and a communication method. The baseband processing unit includes: a millimeter wave band transceiver, configured to receive an interface signal sent by a radio remote unit by using a millimeter wave band; an interface signal processing module, configured to convert the interface signal received by the millimeter wave band transceiver into uplink baseband data; and a baseband data processing module, configured to: process the uplink baseband data to obtain an uplink baseband signal, and send the uplink baseband signal to a gateway. In the embodiments of the present invention, the baseband processing unit and the radio remote unit may communicate by using the millimeter wave band, thereby saving optical fiber resources.