Abstract:
A resource allocation method includes: receiving, by a first radio access network node in a first-type radio access network node, resource configuration information, where the resource configuration information includes at least two groups of resource information; and using, by the first radio access network node, the resource indicated by one group of resource information in the resource configuration information as the transmission resource used in the second link of the first radio access network node.
Abstract:
This application provides a communications method, apparatus, and system, aiming to improve a capacity of a 5G network. The system includes a first access network device, a second access network device, a terminal, and an RN, where the terminal is connected to the first access network device by the RN, the terminal is further connected to the second access network device, the terminal receives signaling and/or data from the second access network device, and the terminal further receives data from the first access network device by the RN. This application relates to the field of communications technologies.
Abstract:
This application provides a wireless connection control method relating to a base station system including a centralized unit and a distributed unit, wherein the centralized unit communicates with the distributed unit, and the distributed unit communicates with a terminal through an air interface. The method includes: first receiving, by the distributed unit, a first message sent by the terminal, where the first message is used to request to establish an air interface control plane connection for the terminal; then sending, by the distributed unit, the first message to the centralized unit; and then receiving, by the distributed unit, a second message sent by the centralized unit, where the second message is used to instruct to establish the air interface control plane connection between the terminal and the distributed unit. The method may implement wireless connection control in a 5G system when functions of a base station are separated.
Abstract:
A network selection method and an apparatus are provided, so that a core network to be accessed by next-generation UE via an eLTE eNB can be determined. The method includes: a terminal device receives a first message from a radio access network device, wherein the first message carries access reference information, and generates first information based on the access reference information, wherein the first information indicating that the terminal device requests to access a first network, and sends a second message to the radio access network device, wherein the second message carries the first information.
Abstract:
The mobile terminal includes a first part, a second part, a connection structure, and a flexible circuit bar. A signal is transmitted between the first part and the second part through the flexible circuit board. The flexible circuit board includes a first end and a second end. The first end is electrically connected to the first part, and the second end is electrically connected to the second part. The flexible circuit board passes through the connection structure, and a part of the flexible circuit board in the connection structure maintains a regular bending structure.
Abstract:
Embodiments of the present invention provide a method and a device for processing interference, wherein according to a first demodulation reference signal DMRS pilot symbol carried by a first subcarrier used by an uplink user equipment, an interference channel matrix of an uplink interference channel from the uplink user equipment to a D2D receiving end is measured, wherein the first subcarrier is a subcarrier shared by a D2D transmitting end and the uplink user equipment; a null space matrix of the uplink interference channel is calculated according to the interference channel matrix; and the signal received by the D2D receiving end via the first subcarrier is processed by using the null space matrix to eliminate an interference signal which comes from the uplink user equipment in the signal.
Abstract:
Provided are a method and apparatus for acquiring channel responses of a self-interference channel and a full-duplex communication device. The method comprises: obtaining an estimate value of a channel response of the self-interfering channel by employing multiple reference signals to perform a channel estimation on the self-interfering channel; determining a stable range of each channel frequency-domain response on the basis of the channel response estimated value; randomly selecting a frequency point within the stable range of each channel frequency-domain response or selecting a frequency point of a greater channel response to serve as an emission frequency point of the reference signals, and, when an interrelation of the channel responses on the emission frequency point and on a non-emission frequency point is acquired, acquiring all the channel responses on time-domain and frequency-domain on the basis of a reception signal corresponding to the reference signals on the emission frequency point.
Abstract:
The present invention provides a method and an apparatus for handling full-duplex interference. One method includes: obtaining an interference degree that is caused when a site device performs full-duplex transmission with at least two UEs; and determining, according to the interference degree, a UE allowed to transmit uplink and downlink signals on the same time and frequency resource among the at least two UEs. In embodiments of the present invention, a UE allowed to transmit uplink and downlink signals on the same time and frequency resource may be classified according to an interference degree that is caused when a site device performs full-duplex transmission with at least two UEs, thereby preventing the interference problem in the scenario of point-to-multipoint full-duplex communication as much as possible.
Abstract:
Embodiments of the present disclosure disclose a method and an apparatus for determining a precoding matrix, which relate to the field of communications technologies and may improve throughput of a MIMO system and optimize overall system performance, including: determining a rank constraint of a jth transmitting end, where j=1, 2, . . . , K, and K is the total number of transmitting ends in a MIMO system; iteratively calculating an optimal precoding matrix of the jth transmitting end according to a channel matrix from the jth transmitting end to a jth receiving end, an autocorrelation matrix of interference and noise of the jth receiving end, and the rank constraint of the jth transmitting end, where the optimal precoding matrix maximizes channel capacity of a link from the jth transmitting end to the jth receiving end under a circumstance that precoding matrices of other transmitting ends do not change.
Abstract:
Embodiments of the present invention provide a method, an apparatus, and a system for interference alignment. The method includes: receiving signals transmitted by transmit ends, where the signals include interference signals and a wanted signal; aligning original constellation diagrams of the interference signals to acquire a first interference aligned constellation diagram; performing, according to the first interference aligned constellation diagram, interference signal demodulation and decoding on the received signals to acquire an interference source bit sequence; performing, according to the interference source bit sequence and the first interference aligned constellation diagram, interference reconstruction and removal to acquire a second interference aligned constellation diagram; and performing, according to the second interference aligned constellation diagram, wanted signal demodulation and decoding on the signal sequence to acquire the wanted signal transmitted by a wanted signal transmit end. The embodiments of the present invention are applicable to radio communications.