Abstract: A method, device and user equipment (UE) for transmitting multi-cell scheduling information is provided. When at least two cells are serving the UE, the method for transmitting multi-cell scheduling information includes determining a main cell of the UE from the at least two cells and transmitting, in the main cell, the scheduling information of the main cell and an auxiliary cell which are serving the UE.

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: Embodiments of the present invention provide an interference coordination method, a base station, and a communication system. The method includes: acquiring first user channel state information on a first time-frequency resource on which interference coordination is to be performed; acquiring second user channel state information on the first time-frequency resource; pairing a first user and a second user according to the first user channel state information and the second user channel state information to obtain transmit power and a precoding matrix that are corresponding to the second user; and transmitting data to the second user on the first time-frequency resource according to the transmit power and the precoding matrix, but not transmitting data to the first user on the first time-frequency resource.

Abstract: The present invention provides a method for processing a reference signal, a user equipment, and a base station. The method includes: obtaining, by a UE, a first reference signal resource set, where the first signal resource set includes at least one first reference signal resource; and executing, by the UE, an operation of performing a co-location assumption process for at least one antenna port indicated by each first reference signal resource.

Abstract: This invention discloses method and apparatus for obtaining channel state information, and relates to the field of communication techniques, capable of reducing signaling and feedback overheads and lowering UE operation complexity. According to the solutions provided in embodiments of this invention, a RS predetermined transmission time and a RS predetermined frequency are transmitted to a UE by any one cell of at least two cells; each cell or cell group out of the at least two cells, according to the RS predetermined transmission time and the RS predetermined frequency, transmits a RS to the UE on different RS resources; the measurement result transmitted by the UE is received, which comprises CSI between any one cell or cell group out of at least two cells and the UE. The solutions provided in embodiments of this invention are applicable when it is required to obtain CSI between multiple cells and a UE.

Abstract: Embodiments of the present invention disclose a method and a device for allocating a physical hybrid ARQ indicator channel, and a user equipment. The method for allocating a physical hybrid ARQ indicator channel includes: determining, according to an extended parameter, a cyclic shift value of a demodulation reference signal that is indicated in a Physical Downlink Control Channel PDCCH, and a minimum labeling index value of a physical resource block PRB that is occupied by an uplink data transmission block, a PHICH index number that corresponds to the uplink data transmission block, where the extended parameter includes a cell-specific parameter and a user-equipment-specific parameter; and allocating a PHICH to the uplink data transmission block according to the PHICH index number.

Abstract: Embodiments of the present invention provide a data transmission method that relates to the field of communications technologies and is invented for effectively improving the spectrum efficiency of data transmission. The data transmission method includes: mapping, to a resource element according to a preset rule, data that needs to be transmitted to a user equipment, where the preset rule includes: mapping data to the resource element corresponding to a non-zero power CSI-RS in a first set of the user equipment, unless the resource element is a specific resource element, where the specific resource element includes a resource element that is among the resource elements corresponding to the non-zero power CSI-RS in the first set and overlaps a resource element corresponding to a zero power CSI-RS; and transmitting the mapped data to the user equipment. The present invention is applicable to a radio communications system such as Long Term Evolution.

Abstract: Embodiments provide a data transmission method, a base station and user equipment. The method includes: selecting one MCS table from at least two modulation coding scheme MCS tables to determine an MCS, and selecting one TBS table from at least two transport block size TBS tables to determine a TBS, where at least one MCS table of the at least two MCS tables includes an MCS corresponding to 256 quadrature amplitude modulation QAM; and sending service data to user equipment based on the determined MCS and the determined TBS. Frequency spectrum efficiency of the system can be maximized and a system throughput can be improved.

Abstract: Embodiments of the present invention provide a method and an apparatus for coordinated multi-node transmission The method includes: acquiring, by a user equipment, channel state indicator information of each coordinating node; feeding back, by the user equipment, all information or a part of information in the acquired channel state indicator information to a base station, so that each coordinating node performs, according to the channel state indicator information that has been fed back, scheduling on the user equipment and/or one or more other user equipments served by each coordinating node; and if the user equipment is scheduled, receiving, by the user equipment, scheduling result notification information sent by the base station, and receiving, by the user equipment according to the scheduling result notification information, data transmitted by a base station that corresponds to a coordinating node serving the user equipment. The present invention is applicable to a radio communications system.

Abstract: The present invention discloses a method and an apparatus for coexistence of multiple operating entity systems, where the method includes: setting part or all of bandwidths of an operating entity in uplink timeslots of a downlink carrier frequency interference region to be in an idle state. By using the present invention, the uplink timeslots of the operating entity in the downlink carrier frequency interference region are set to be in an idle state and do not transmit an uplink transmit signal any longer, which prevents a downlink transmit signal of another operating entity from interfering with an uplink transmit signal of the operating entity.

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: The present invention discloses a method for transmitting a common signal and an apparatus thereof. The method includes: determining, by a first base station, a first configuration used to send a common signal; and sending, by the first base station, the common signal according to the first configuration. According to the method for transmitting a common signal and the apparatus thereof in embodiments of the present invention, a base station sends a common signal in a triggering mode, so that the common signal is sent more flexibly, thereby reducing an overhead during sending of the common signal, reducing a possibility of interference caused by the sending of the common signal to a neighboring cell, and improving user experience.

Abstract: Embodiments of the present invention provide a radio resource management (RRM) information measurement method and apparatus, and a device. The method includes determining at least one piece of configuration information used, by user equipment, for radio RRM measurement, where the configuration information includes at least one type of signal type information used for the RRM measurement, and signal combination information used for the RRM measurement, and sending the configuration information to the user equipment, so that the user equipment performs the RRM measurement according to the configuration information.

Abstract: Embodiments of the present invention provide a bandwidth allocation method and apparatus, user equipment, and a base station. The method includes: receiving, by user equipment, virtual bandwidth configuration information, where the virtual bandwidth configuration information is used for indicating a configuration of a virtual bandwidth; and performing, by the user equipment, signal reception and/or signal processing according to the virtual bandwidth indicated by the virtual bandwidth configuration information, where each virtual bandwidth is a part or all of a downlink maximum available bandwidth or a downlink transmission bandwidth, and the downlink maximum available bandwidth is a maximum bandwidth available for downlink transmission. In the embodiments of the present invention, reduction of overheads and reduction of complexity of signal reception and signal processing are implemented, and overheads and complexity of signal reception and processing feedback can be flexibly controlled.

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: 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: The present invention is applicable to the field of radio communication technologies, and provides a carrier allocation method, a user equipment, and a base station.

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, where the control bits include validity indication bits and transmission control bits, indication information indicating whether transmission control exercised by the network side on a transmission block is valid relative to the terminal is written into the validity indication bits, and the validity indication bits are located outside the transmission control bits; and sending the generated control information to the terminal. In the embodiments of the present invention improve efficiency of using an overhead required for transmitting the control information.

Abstract: A method for configuring a channel state information reference signal includes dividing access points into a first access point set and a second access point set, configuring a first CSI-RS pilot pattern for a user equipment and allocating the pattern to the first access point set, configuring a second CSI-RS pilot pattern and allocating the pattern to the second access point set, and configuring a third CSI-RS pilot pattern and allocating the pattern to an antenna set formed by a first antenna of a first access point in the first access point set and a first antenna of a first access point in the second access point set; and sending non-zero power CSI-RS configuration information to the user equipment, so that the user equipment measures and reports first downlink channel state information, second downlink channel state information, and third downlink channel state information of the antenna set.

Abstract: Embodiments of the present invention provide a channel-state information process processing method, a network device, and a user equipment, where the channel-state information process processing method includes: after receiving a first channel-state information CSI request sent by a first network device, if CSI corresponding to multiple aperiodic CSI processes has not been reported by a user equipment, dropping CSI corresponding to a part of aperiodic CSI processes among the multiple aperiodic CSI processes, where each CSI process is associated with a channel measurement resource and an interference measurement resource. A problem existing after a CoMP technology is introduced can be solved that the UE cannot implement processing of multiple CSI processes.