Abstract: A radio resource configuration method and device are disclosed. The radio resource configuration method includes: after a piece of user equipment UE establishes a connection with a base station according to a system bandwidth in a broadcast message, determining, by the base station for the UE, resource configuration used for communication between the UE and the base station, where the resource configuration includes at least one of a resource allocation bandwidth, a channel state information CSI pilot bandwidth, and a CSI measurement bandwidth, where the resource allocation bandwidth is a bandwidth used to generate resource block allocation information in downlink control information; and sending, by the base station to the UE by using dedicated signaling or a common message, the resource configuration determined for the UE and used for communication between the UE and the base station.

Abstract: A train compartment brake control method includes: acquiring the number of train compartments of a current train; acquiring the number and type of a current train compartment; and on the basis of a train brake instruction and the number of train compartments of the current train, calculating a braking force of the current train compartment, and performing brake control on the current train compartment. The technical solution described in the present application is applicable to a train having any number of train compartments. The above method acquires the number of train compartments of a train in real time, calculates the braking force required by each train compartment according to the number and type of a current train compartment, and performs brake control on the train.

Abstract: A radio resource configuration method and device are disclosed. The radio resource configuration method includes: after a piece of user equipment UE establishes a connection with a base station according to a system bandwidth in a broadcast message, determining, by the base station for the UE, resource configuration used for communication between the UE and the base station, where the resource configuration includes at least one of a resource allocation bandwidth, a channel state information CSI pilot bandwidth, and a CSI measurement bandwidth, where the resource allocation bandwidth is a bandwidth used to generate resource block allocation information in downlink control information; and sending, by the base station to the UE by using dedicated signaling or a common message, the resource configuration determined for the UE and used for communication between the UE and the base station.

Abstract: A radio resource configuration method and device are disclosed. The radio resource configuration method includes: after a piece of user equipment UE establishes a connection with a base station according to a system bandwidth in a broadcast message, determining, by the base station for the UE, resource configuration used for communication between the UE and the base station, where the resource configuration includes at least one of a resource allocation bandwidth, a channel state information CSI pilot bandwidth, and a CSI measurement bandwidth, where the resource allocation bandwidth is a bandwidth used to generate resource block allocation information in downlink control information; and sending, by the base station to the UE by using dedicated signaling or a common message, the resource configuration determined for the UE and used for communication between the UE and the base station.

Abstract: A train compartment brake control method comprises the following steps: acquiring the number of train compartments of a current train; acquiring the number and type of a current train compartment; and on the basis of a train brake instruction and the number of train compartments of the current train, calculating a braking force of the current train compartment, and performing brake control on the current train compartment. The technical solution described in the present application is applicable to a train having any number of train compartments. The above method acquires the number of train compartments of a train in real time, calculates the braking force required by each train compartment according to the number and type of a current train compartment, and performs brake control on the train.

Abstract: A method of resource allocation for Channel State Information (CSI) feedback is provided, which comprises the following steps of: configuring a downlink transmission approach and a feedback mode for each User Equipment (UE); allocating feedback resources required for CSI feedback by each UE based on the configured downlink transmission approach and feedback mode, such that different types underlying different feedback modes for a single UE will not collide with each other within one sub-frame; and notifying each UE of the corresponding configured downlink transmission approach and feedback mode and allocated feedback resources.

Abstract: A user equipment receives, from the base station apparatus, bit information. The bit information indicates first information indicating one or more antenna ports and second information indicating a number of layers for downlink data symbols.

Abstract: Embodiments of the present application provide a physical downlink data channel transmission method, a base station, and user equipment. The physical downlink data channel transmission method provided in the embodiments of the present application includes: mapping a physical downlink data channel to a time-frequency resource in at least one timeslot, where a time-frequency resource in each timeslot includes at least one enhanced physical resource block pair, and the enhanced physical resource block pair includes two consecutive physical resource blocks in a frequency domain in a same timeslot; and sending the physical downlink data channel to UE. In the embodiments of the present application, a transmission time interval of the physical downlink data channel can be reduced.

Abstract: Embodiments of the present invention disclose a communication method, a UE, and a base station. The method includes: acquiring, by the user equipment UE, on an anchor carrier, synchronization information to synchronize with the base station, where a frequency resource between the UE and the base station includes N subcarriers, where the N subcarriers include the anchor carrier and at least one supplementary carrier, and N is an integer greater than or equal to 2; acquiring, by the UE, on the anchor carrier, system information, where the system information includes information about identities and frequency locations of the subcarriers; selecting, by the UE, the anchor carrier or a supplementary carrier according to the system information; and accessing, by the UE, the base station on a selected subcarrier, and communicating with the base station.

Abstract: A radio resource configuration method and device are disclosed. The radio resource configuration method includes: after a piece of user equipment UE establishes a connection with a base station according to a system bandwidth in a broadcast message, determining, by the base station for the UE, resource configuration used for communication between the UE and the base station, where the resource configuration includes at least one of a resource allocation bandwidth, a channel state information CSI pilot bandwidth, and a CSI measurement bandwidth, where the resource allocation bandwidth is a bandwidth used to generate resource block allocation information in downlink control information; and sending, by the base station to the UE by using dedicated signaling or a common message, the resource configuration determined for the UE and used for communication between the UE and the base station.

Abstract: A radio resource configuration method and device are disclosed. The radio resource configuration method includes: after a piece of user equipment UE establishes a connection with a base station according to a system bandwidth in a broadcast message, determining, by the base station for the UE, resource configuration used for communication between the UE and the base station, where the resource configuration includes at least one of a resource allocation bandwidth, a channel state information CSI pilot bandwidth, and a CSI measurement bandwidth, where the resource allocation bandwidth is a bandwidth used to generate resource block allocation information in downlink control information; and sending, by the base station to the UE by using dedicated signaling or a common message, the resource configuration determined for the UE and used for communication between the UE and the base station.

Abstract: A user equipment receives, from the base station apparatus, bit information. The bit information indicates first information indicating one or more antenna ports and second information indicating a number of layers for downlink data symbols.

Abstract: A user equipment receives, from the base station apparatus, bit information. The bit information indicates first information indicating one or more antenna ports and second information indicating a number of layers for downlink data symbols.

Abstract: Embodiments of the present application provide a physical downlink data channel transmission method, a base station, and user equipment. The physical downlink data channel transmission method provided in the embodiments of the present application includes: mapping a physical downlink data channel to a time-frequency resource in at least one timeslot, where a time-frequency resource in each timeslot includes at least one enhanced physical resource block pair, and the enhanced physical resource block pair includes two consecutive physical resource blocks in a frequency domain in a same timeslot; and sending the physical downlink data channel to UE. In the embodiments of the present application, a transmission time interval of the physical downlink data channel can be reduced.

Abstract: Embodiments of the present invention provide an access method and apparatus in a heterogeneous network. The access method in a heterogeneous network include broadcasting a system message to a user equipment. The system message includes configuration information of a cell access port and configuration information of at least one group of hot spot access port, so that the user equipment accesses the cell access port or a hot spot access port according to the system information. The heterogeneous network includes at least one hot spot access port, the at least one hot spot access port is grouped into at least one group, and each group of hot spot access port includes at least one hot spot access port.

Abstract: A user equipment generates information based on a plurality of values of joint coding of a Rank Index RI and a first Precoding Matrix Index W1 and transmits the information on a physical uplink control channel. The payload size of the information is 5 bits. The first Precoding Matrix Index W1 and a second Precoding Matrix Index W2 correspond to a precoding matrix and 16 values in the plurality of values correspond to the Rank Index RI of 1 or 2 where a part of values in the plurality of values except the 16 values in the plurality of values correspond to the Rank Index RI of more than 2.

Abstract: Embodiments of the present invention disclose a buffer state reporting method and apparatus. The buffer state reporting method includes: triggering transmission of current buffer state report BSR information of a user equipment; and if the user equipment will transmit media access control protocol data unit MAC PDU data packets to a base station and the MAC PDU data packets include a newly transmitted MAC PDU data packet, carrying the BSR information in the newly transmitted MAC PDU data packet for transmission to the base station. In the buffer state reporting method and apparatus of the embodiments of the present invention, when multiple MAC PDUs are transmitted at the same time, BSR information is carried in a newly transmitted MAC PDU, so that a base station acquires BSR information on a user side in a timely manner, thereby improving performance of uplink scheduling for a user.

Abstract: A mobile communication system where a base station and a user equipment communicates on multiple aggregated carriers is disclosed. In the mobile communication system, the base station notifies to the user equipment information which is relevant to inclusion of an information field indicating scheduling carrier in downlink control information format by using radio resource control signaling, and the user equipment receives, from the base station, downlink control information in the downlink control information format according to the information which is relevant to inclusion of the information field indicating scheduling carrier.

Abstract: Embodiments of the present invention disclose a communication method, a UE, and a base station. The method includes: acquiring, by the user equipment UE, on an anchor carrier, synchronization information to synchronize with the base station, where a frequency resource between the UE and the base station includes N subcarriers, where the N subcarriers include the anchor carrier and at least one supplementary carrier, and N is an integer greater than or equal to 2; acquiring, by the UE, on the anchor carrier, system information, where the system information includes information about identities and frequency locations of the subcarriers; selecting, by the UE, the anchor carrier or a supplementary carrier according to the system information; and accessing, by the UE, the base station on a selected subcarrier, and communicating with the base station.

Abstract: Embodiments of the present invention provide methods for sending and receiving an enhanced physical downlink control channel EPDCCH and an apparatus, relate to the field of communication technologies, and aim to effectively ensure normal communication between a UE and a base station. The sending method includes: determining position information of a physical resource carrying the EPDCCH; and sending the EPDCCH to the UE according to the determined position information of the physical resource carrying the EPDCCH. The present invention can be applied to a Long Term Evolution wireless communications system.