Abstract:
Embodiments disclose a data scheduling method and apparatus. The method includes configuring a data scheduling granularity for a first wireless communications system on a carrier on a specific frequency spectrum. The method also includes indicating an option of the data scheduling granularity to a terminal, and performing data scheduling for the terminal according to the data scheduling granularity indicated in the option of the data scheduling granularity, and indicating a corresponding data scheduling result to the terminal.
Abstract:
Embodiments provide an information transmission method, a base station, and user equipment, so as to properly use a spectrum. The method includes generating a first notification message, where the first notification message is used to instruct user equipment in a user equipment set to detect a common control channel of a first cell in the first cell, and sending the first notification message to the user equipment in the user equipment set by using a second cell. The method also includes sending the common control channel to the user equipment in the user equipment set by using the first cell.
Abstract:
Embodiments of the present invention disclose a method and an apparatus for controlling uplink transmit power of UE, UE, and a base station, and the method includes: determining subframe configuration information, where the subframe configuration information is used to indicate base stations corresponding to all subframes in a radio frame; determining static power control parameters corresponding to all the base stations; determining a TPC adjustment value of a current subframe; and determining uplink transmit power of the current subframe according to a static power control parameter corresponding to a base station corresponding to the current subframe and the TPC adjustment value of the current subframe. In the embodiments of the present invention, when UE is connected to at least two base stations, control over uplink transmit power can be implemented when the UE sends data to different base stations.
Abstract:
The present invention provides a method for sending and receiving control information, an apparatus and a communication system. The method for sending control information includes: setting respective control bits in a downlink control information (DCI) format to generate control information applied by a network side to a terminal, wherein indication information indicating whether to swap a corresponding relationship between a transmission block and a codeword is not carried in a control bit in the DCI format, if a dedicated demodulation reference signal used to demodulate data is preconfigured by the network side for the terminal and respective codewords correspond to the same number of layers; and the indication information is carried in a control bit in the DCI format, if the dedicated demodulation reference signal used to demodulate data is not preconfigured by the network side for the terminal; and sending the generated control information to the terminal.
Abstract:
A method and a device for configuring a central subcarrier are disclosed. The method comprises: mapping a first downlink control channel onto a part (f1) of a downlink bandwidth (fW) of a cell, and configuring a first virtual central subcarrier in f1, where f1 is different or partly different from a bandwidth f2 mapped to a second downlink control channel, an overlap between f1 and f2 is at least one subcarrier, or at least one idle subcarrier exists between f1 and f2, or at least one non-idle subcarrier and at least one idle subcarrier exist between f1 and f2; the first virtual central subcarrier is located on a grid position of a central frequency, a distance between the first virtual central subcarrier and a second virtual central subcarrier configured in f2 is an integer multiple of a frequency domain width of the subcarrier.
Abstract:
The present disclosure relates to an information sending method and a device. In examples of the present disclosure, a terminal may send feedback information for a downlink subframe to a network device in a first feedback manner, that is, a first codebook of the feedback information is determined according to an instantly scheduled downlink subframe set.
Abstract:
A method for transmitting uplink control information includes: receiving, by a terminal device, scheduling information and trigger information from an access network device, where the scheduling information is used to instruct the terminal device to transmit, in M uplink subframes, uplink data scheduled by the scheduling information, M is a positive integer not less than 2, and the trigger information is used to instruct the terminal device to send uplink control information; determining, by the terminal device, in the M uplink subframes, an uplink subframe for carrying the uplink control information, where the determined uplink subframe is a subframe other than a first subframe in the M uplink subframes, and the first subframe is a first uplink subframe in the M uplink subframes; and sending, by the terminal device, the uplink control information in the determined uplink subframe.
Abstract:
The present disclosure describes methods, user equipment, and base stations for sending feedback information. One example method includes: sending scheduling information on a downlink control channel to user equipment, wherein the downlink control channel is in a downlink subframe which belongs to a preconfigured downlink subframe set, and the scheduling information is used for scheduling downlink data; determining an uplink subframe for receiving feedback information corresponding to the downlink data, wherein the preconfigured downlink subframe set is a set of downlink subframes that are associated with the uplink subframe and that are of all carriers configured for the user equipment by the base station; sending PUCCH resource indication information to the user equipment for indicating a PUCCH resource.
Abstract:
Embodiments of the present invention provide an uplink control channel sending method, an uplink control channel receiving method, and an apparatus. The sending method includes: receiving, by terminal device, downlink data from a network device in each subframe in a first subframe set; obtaining, by the terminal device, first downlink control information from the network device; and sending, by the terminal device, a target physical uplink control channel in a first uplink subframe according to an indication of the first downlink control information.
Abstract:
The present disclosure relates to uplink control information sending methods, uplink control information receiving methods, apparatus, and systems. One example method includes receiving, by a terminal device, channel indication information from an access network device on a physical control channel, determining a channel resource set of N channel resource sets that matches a size of uplink control information (UCI) as a first channel resource set, determining a first channel resource from the first channel resource set according to the channel indication information, and sending the UCI to the access network device on the first channel resource.