Abstract: An interference measurement method, a network side device and a terminal device are disclosed. The interference measurement method includes: a network side sending interference measurement indication information to a terminal, and indicating the terminal to perform interference measurement, wherein the interference measurement indication information is used for indicating one or more kinds of the following information to the terminal: interference measurement modes used for performing interference measurement; and parameter configuration information used for interference measurement.

Abstract: Provided is a method and device for interacting signaling between nodes, a method and device for controlling uplink power, and an uplink transmission method and device, wherein the method includes that: a node respectively receives uplink power control information transmitted by other nodes using a basic resource element as a unit, and transmits the uplink power control information of the node to the other nodes by using the basic resource element as a unit, wherein the basic resource element includes at least one of the followings: a terminal or a terminal cluster, and a basic unit resource. The disclosure solves the problem in the related art that an uplink power reduction method cannot ensure uplink transmission reliability in a double-link scenario, thus ensuring the accuracy of uplink transmission in the double-link scenario.

Abstract: A method for notifying a downlink demodulation pilot control signaling, includes: a base station side notifying a user equipment (UE) side of an index of a virtual signaling group and/or index of port offset signaling group used when generating a downlink pilot sequence and/or mapping the generated downlink pilot sequence through at least one of the following information: UE-specific or common high layer signaling; antenna indication information of DL_Grant; new data indication information in a Disable TB signaling in the DL_Grant; scrambling indication information in the DL_Grant; in a UE-specific or common search space, an aggregation level of the DL_Grant, a relative position of a first control channel element of the DL_Grant in the UE-specific or common search space, a subframe number where the DL_Grant is located and a system frame number where the DL_Grant is located.

Abstract: Disclosed are a transmission method, device and system for physical hybrid ARQ indicator channel (PHICH). The method comprises the following steps: a NodeB scrambles the PHICH using the determined PHICH resources according to a UE-specific manner and/or a currently used PHICH scrambling code; and the NodeB sends the scrambled PHICH on the determined PHICH resources. Through the disclosure, the problem of PHICH capacity insufficiency, PHICH collisions and interference that caused by the number of user in single cell much larger than that in traditional cell in the related art are solved, the capacity of physical hybrid ARQ indicator channel in downlink resources is improved, and the interference that caused by PHICH collisions is reduced.

Abstract: Disclosed are a method for transmitting a demodulation reference signal (DMRS), a base station and a user equipment, related to the LTE Advanced system. The method for transmitting the DMRS disclosed in the present document includes: a base station transmitting a plurality of demodulation reference signal (DMRS) ports through frequency division multiplexing (FDM) and/or code division multiplexing (CDM) and/or time division multiplexing (TDM). The embodiment of the present invention further discloses a base station and a user equipment. The technical scheme of the present application greatly boosts the DMRS demodulation performance, especially taking into account its use in the 256QAM modulation method in future, balances interpolation performance of various PRB Pairs in one sub-frame, and it avoids a collision between a DMRS and a RCRS, a PSS/SSS as well as a CSI-RS.

Abstract: A method and system for indicating a transmission parameter are provided in the present invention. The method includes: when multi-user multi-input multi-output (MIMO) data are transmitted, using a newly-added indication signaling in a downlink control information format to indicate different joint encoded parameters when numbers of enabled transport blocks are different. Through adding new indication signaling in the present invention, different joint encoded parameters are indicated during the multi-user MIMO data transmission and the MIMO multi-user transmission based on the demodulation reference signal is supported.

Abstract: Disclosed are an inter-cell coordinated interference measurement method and node, wherein, the method is applied to each node performing a coordinated interference measurement, and includes: receiving first measurement resource information transmitted by other network nodes via a backhaul link to a present node for coordinated interference measurement; determining second measurement resource information used by the present node for interference measurement according to the first measurement resource information transmitted by the coordinated network nodes, and instructing relevant coordinated network nodes to correspondingly configure a resource in accordance with the second measurement resource information of the present node; wherein the second measurement resource includes an interference measurement resource and/or a channel state information reference signal (CSI-RS); and performing interference measurement on the second measurement resource.

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 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 data synchronization are provided. The method includes that: signalling and/or a forwarded packet are/is sent to M+N slave Transmission Points (TPs); and downlink data synchronization is performed with the slave TPs by sending the signalling and/or the forwarded packet, wherein M slave TPs perform Packet Data Convergence Protocol (PDCP) layer data synchronization with the master TP, N slave TPs may perform PDCP/Radio Link Control (RLC)/Medium Access Control (MAC) layer data synchronization with the master TP, M>=0, N>=0 and M+N>=1.

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: A method and apparatus for determining resources in a Physical Uplink Control Channel (PUCCH) are disclosed. The method includes: an apparatus determining a channel resource index of the PUCCH according to physical resources of an enhanced Physical Downlink Control Channel (ePDCCH), wherein, the PUCCH is used for carrying positive acknowledgement/negative acknowledgement (ACK/NACK) information about a Physical Downlink Shared Channel (PDSCH) indicated by the ePDCCH; and the physical resources of the ePDCCH include: any one or more of a physical resource block, an enhanced control channel element and an antenna port index. The embodiments of the present document can ensure the compatibility between an LTE-Advanced system and an LTE Release-8 system, and facilitate improving the system capacity and the scheduling flexibility of the LTE-Advanced system, thereby enabling an LTE-Advanced terminal to obtain a maximum frequency selectivity gain.

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 a device for sending and receiving an ePDCCH, a base station, and user equipment. The method includes: a base station mapping enhanced resource element groups (eREGs) corresponding to an ePDCCH to different resource elements, wherein each of the eREGs corresponding to the ePDCCH is located in one physical resource block pair; and the base station sending the ePDCCH on the resource elements. The disclosure improves the reliability and resource utilization of ePDCCH transmission.

Abstract: The disclosure claims a method and a device for transmitting a Position Reference Signal (PRS) subframe. In the disclosure, the network side configures certain channels or signals according to the configuration condition of the PRS, or the network side configures the PRS according to the configuration condition of certain channels or signals; the receiving side correctly identifies the length of Cyclic Prefix (CP) according to the configuration information issued by the network side, so as to correctly measure and accurately receive the channels or signals sent by the network side. The disclosure overcomes the technical problem in the conventional art that the length of CP is ambiguous, so that the signals cannot be measured and accurately received by the receiving side.

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: 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: 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: Provided are a method and device for processing interference, a network control unit and User Equipment (UE). The method includes that: downlink transmission parameter indication information of second UE of a second access node and/or a first access node is sent to first UE through a Physical Downlink Shared Channel (PDSCH), wherein the first UE performs Interference Cancellation (IC) processing according to the received downlink transmission parameter indication information. By the present disclosure, the problems of high signaling overhead and great delay during acquisition of IC information, required by an advanced receiver, of victim UE in the related art are solved, and the effects of reducing signaling overhead and improving system performance are further achieved.

Abstract: Disclosed is a configuration method for an enhanced downlink control channel, which configures K ePDCCH detection clusters for a terminal, including: independently configuring an antenna port index of a corresponding demodulation reference signal (DMRS) at the time of detection of each ePDCCH detection cluster or different transmission modes of ePDCCH detection clusters of the K ePDCCH detection clusters; and/or independently configuring a scrambling sequence index of the corresponding DMRS at the time of detection of each ePDCCH detection cluster or different transmission modes of ePDCCH detection clusters of the K ePDCCH detection clusters; and/or independently configuring the correlation between a corresponding DMRS scrambling sequence at the time of detection of each ePDCCH detection cluster or different transmission modes of ePDCCH detection clusters of the K ePDCCH detection clusters and a DMRS scrambling sequence of a physical downlink shared channel PDSCH, and the like.