Abstract: A pilot measurement method is provided, which includes that a receiving end determines a port configuration for pilot measurement, and the receiving end receives a pilot signal using the port configuration, and obtains channel information upon an estimate. Correspondingly, a receiving end for pilot measurement is also provided. Even though the number of antenna ports is sharply increased, a part of ports still can be selected as the ports for transmitting a pilot signal according to needs, the number of the ports for transmitting the pilot signal can be unlimited, and the pilot configuration problem under the condition of sharp increase in the number of the antenna ports can be solved.

Abstract: A Demodulation Reference Signal (DMRS) processing method and apparatus are provided, in which a base station side configures beforehand for a terminal side one or more sequence identifiers and/or bandwidth information needed to generate a DMRS sequence, through User Equipment (UE)-specific higher-layer signaling, and then the base station side indicates to the terminal side specific sequence identifier and/or bandwidth information employed to send the DMRS sequence by utilizing at least one of the following indication methods: 1. using a bit in downlink control indication signaling for indication; 2. using a scheduled time domain and/or frequency domain resource location for indication.

Abstract: The present invention provides a method and device for selecting a resource processing manner, wherein the method is applied to a communication system including a user terminal, a relay station and a base station, and comprises the following operations: a configuring step of configuring a dedicated pilot, wherein the dedicated pilot is configured to measure parameters of a link from the relay station to the user terminal; an acquiring step of acquiring a first parameter value of a common pilot and a second parameter value of the dedicated pilot; a comparing step of comparing the first parameter value with the second parameter value; and a selecting step of selecting a resource processing manner according to the comparison result, wherein the resource processing manner comprises: a cooperation manner and/or a non-cooperation manner.

Abstract: Provided is a vector selection modulation-based multi-antenna transmission method, including: for a group of data to be transmitted, using part of bit information in the group of data to select a weight corresponding to the group of data from K preconfigured weights; and performing constellation mapping modulation on residual bit information in the group of data, and using the selected weight corresponding to the group of data to weight the group of data after the constellation mapping modulation, wherein, the K is a natural number. Based on the method of the present document, the spectrum efficiency of the system can be greatly improved under the condition without adding a transmission antenna.

Abstract: A method and device for performing interference measurement on interference measurement resources are disclosed, in which a base station side transmits N sets of interference measurement resources on a non-full bandwidth or a full bandwidth, and transmits a location indication signaling of each set of the interference measurement resources to a terminal side; the terminal side determines a location of each set of the interference measurement resources according to the location indication signaling of each set of interference measurement resources, and performs interference measurement on each set of interference measurement resources in accordance with the non-full bandwidth or the full bandwidth; through a technical scheme of the disclosure, the interference measurement can be implemented on different interference measurement resources by employing time domain and frequency domain resource overheads and high layer signaling overheads as less as possible.

Abstract: A method for feeding back channel state information is provided, which includes: a base station notifying a terminal of transmission resources used for transmitting a plurality of Channel State Information (CSIs) or a plurality of colliding CSIs and/or of priorities between a plurality of CSIs or a plurality of colliding CSIs. In the present document, the base station indicates the terminal on how to handle a feedback of the colliding CSIs when collision between the CSIs occurs during processes of feeding back a plurality of CSIs via a high layer signaling or a preset rule, which enables the base station and the terminal to reach a uniform feedback mechanism, and guarantees a minimum possibility of discarding CSIs, thereby solving the problem of the impact on the CoMP performance due to discarding excessive CSIs.

Abstract: Disclosed is a method for configuring a channel state information (CSI) feedback. The method comprises: configuring multiple sets of CIS processes for a terminal, where each CSI process comprises at least information on a channel measurement part and information on an interference measurement, where the information on the channel measurement part comprises one or multiple sets of nonzero power CSI reference signal configuration or indication information, and where the information on the interference measurement part comprises at least one type of information among the following: one or multiple sets of interference measurement resource configuration information or indication information, one or multiple sets of nonzero power CSI reference signal configuration information for use in interference measurement compensation. Also disclosed are a method for measurement and feedback based on the method, and a corresponding device for implementing the method.

Abstract: Disclosed in the present document is a method for notifying interference measurement reference information, and a method and apparatus for measuring interference, wherein a base station notifies a terminal of interference measurement reference information which specifies a reference signal used for interference measurement and/or a reference resources position for interference measurement. According to the solution in the present document, in a distributed antenna system, the base station, through an interference measurement reference message, specifies for the terminal the reference signal used for interference measurement and/or the reference resources position for interference measurement; after receiving the interference measurement reference information, the terminal performs interference measurement according to the reference signal and/or the reference resources position for interference measurement specified by the base station.

Abstract: Provided are a method and device for transmitting downlink control information. The method comprises: according to a predefined condition, the downlink control information carried on an ePDCCH onto at least one PRB pair, the predefined condition comprising at least one of: an ePDCCH aggregation level, a subframe cyclic prefix type, a format of downlink control information carried on the ePDCCH, an ePDCCH transmission mode, and mapping mode indication information; and the downlink control information carried on the at least of PRB pairs is transmitted. By mapping according to one or more predefined conditions, the present disclosure achieves mapping from the ePDCCH to the physical resource pair, and ensures the ePDCCH to obtain frequency domain diversity gain and scheduling gain.

Abstract: Methods for configuring Channel State Information (CSI) feedback signalings, feeding back CSI, configuring data demodulation, data demodulating, configuring antenna port information, obtaining antenna port information, base stations and terminals are disclosed.

Abstract: Disclosed in the present invention is a pre-coding method for hybrid multiplexing demodulation reference symbol (DMRS). The method includes: determining a multiplexing relationship between DMRS ports; making layers of data transport correspond to DMRS ports with the multiplexing relationship determined; and pre-coding pilot sequences corresponding to various DMRS ports according to the relationship between the layers of data transport and the DMRS ports. Also disclosed in the present invention is a method for mapping from a layer to a multiplexing demodulation reference symbol (DMRS) and an apparatus for achieving pre-coding based on a hybrid multiplexing demodulation reference symbol (DMRS). By way of the technical solution of the present invention, interference between the layers corresponding to different codeword streams can be avoided, and the accuracy of channel estimation can be improved.

Abstract: A method for transmitting and receiving a control channel, a base station and a terminal relate to a long term evolution advanced system. The method for transmitting a control channel disclosed by the present document includes: a base station side configuring, for a terminal side, detection-limited subframe cluster information of a control channel, so as to notify the terminal side of the manner by which the base station side transmits the control channel. The present document also discloses a method for receiving a control channel, a base station and a terminal.

Abstract: The disclosure discloses a method for correcting rate matching weights based on layered mapping, includes: obtaining the number of layers to be layered mapped, determining a transmission mode for communication content; and according to the obtained number of layers and the determined transmission mode, correcting the weights for rate matching in R10.

Abstract: The embodiment of the present invention discloses a method, a system and an apparatus for calibrating deviation among multiple access points, which are used for solving a problem that information received by a user equipment (UE) is not synchronous, caused when different access points send data to the UE at the same time, and improving system performance and frequency spectrum efficiency. The method for calibrating deviation among multiple access points comprises the following steps: in step A: a base station sending to a UE a message instructing the UE to perform measurement and return deviation calibration information among the multiple access points (S101); and in step B: the base station calibrating the deviation among the multiple access points based on the deviation calibration information among the multiple access points returned by the UE (S102).

Abstract: The present document provides a method for feeding back channel state information and a user equipment. The method includes: a user equipment determining a second parameter y of a feedback mode according to the number of Channel-State Information-reference signals (CSI-RS) ports configured by a high layer signaling or according to the number of CSI-RS ports and indication information indicating whether to feed back a pre-coding matrix indicator (PMI) and rank indicator (RI); the user equipment determining the feedback mode according to a transmission mode configured by the high layer signaling, a first parameter x of the feedback mode and the second parameter y of the feedback mode; and the user equipment feeding back the channel state information according to the determined feedback mode. The present document improves the system flexibility and performance and reduces the feedback overhead.

Abstract: The embodiments of the present invention disclose a wireless communication method and apparatus. The method includes: a first communication device receiving first grant from a network node, the first grant at least comprising first resource allocation information for allocating resources; the first communication device receiving second grant from a second communication device, the second grant at least comprising a modulation and coding scheme of service data; the first grant and the second grant being used for scheduling service data transmission between the first communication device and the second communication device; and the first communication device receiving, according to the scheduling, service data transmitted by the second communication device; and/or the first communication device transmitting, according to the scheduling, service data to the second communication device.

Abstract: Disclosed are a method and device for processing and indicating downlink data. The method for processing the downlink data includes: a user equipment (UE) receiving multiple sets of resource indication information configured for the UE by a base station and transmitted by the base station via a high-layer signaling; the UE receiving a subframe transmitted by the base station, acquiring downlink grant indication information in the subframe; the UE selecting from the multiple sets of resource indication information the resource indication information matching the downlink grant indication information, wherein the resource indication information is used for indicating a resource location having interference present, or, the resource location having interference present and interference information corresponding to the resource location; and the UE processing on the resource location the interference of the downlink data transmitted to the UE.

Abstract: A method and device for sending an aggregated CQI are provided by the disclosure. The method includes a terminal side receiving CSI-RS configuration information and/or interference measurement information sent from a base station side, the terminal side determining a sending sequence of aggregated CQI of each aggregated CSI-RS configuration resource and/or interference measurement resource according to a receiving sequence of the CSI-RS configuration information and/or interference measurement information, wherein each aggregated CSI-RS configuration resource and/or interference measurement resource is aggregated of at least one configuration CSI-RS configuration resource and/or interference measurement resource corresponding to the CSI-RS configuration information and/or interference measurement information, the terminal side sending the aggregated CQI to the base station according to the sending sequence.

Abstract: Provided are a PUCCH resource configuration method, transmission method, device and system. The method includes: allocating dedicated PRBs for UEs configured to transmit uplink control information using an enhanced PUCCH, which step comprising: taking the UEs configured to transmit the uplink control information using the enhanced PUCCH as a first type of UEs, and taking UEs other than the first type of UEs as a second type of UEs; and reserving a designated number of PRBs according to the number of UEs in the first type of UEs, wherein the designated number of PRBs are located between SR/semi-static ACK/NACK resources of the second type of UEs and dynamic ACK/NACK resources of the second type of UEs, and taking the designated number of PRBs as dedicated PRBs for the first type of UEs; and allocating orthogonal resources for UEs located in different cells among the first type of UEs based on the dedicated PRBs.

Abstract: The present invention discloses a multicast broadcast single frequency network subframe. The multicast broadcast single frequency network subframe is used as a physical resource of a user transmission data channel; in the multicast broadcast single frequency network subframe, except symbols of a physical downlink control channel, other symbols adopt the same cyclic prefix as subframe 0 in a local cell. The present invention also discloses a user data channel transmission method and device, and a user physical resource determining device. By using the subframe, the transmission method and device, and the determining device, the performance of the LTE-A system can be improved.