Abstract: The present invention discloses method and terminal for feeding back channel state information. The method comprises: UE determining channel state information comprising first-type PMI and/or second-type PMI according to indication information, wherein first-type PMI is used for indicating index of one first precoding matrix in first precoding codebook, each first precoding matrix is used for mapping channel information of one wideband and/or long-term channel; second-type PMI is used for indicating index of one second precoding matrix in second precoding codebook, each second precoding matrix is used for mapping channel information of one subband and/or short-term channel; UE feeding back first-type PMI in PUCCH periodically and feeding back second-type PMI in PUSCH periodically or non-periodically, or, feeding back first-type PMI and second-type PMI in PUCCH.

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: Disclosed are a system and a method for interference coordination between communication nodes. A first-type wireless transceiver apparatus of the system is configured to report status information by sending first-type signaling to a second-type wireless transceiver apparatus, and perform data transmission and/or to perform measurement according to second-type signaling. The second-type wireless transceiver apparatus is configured to allocate resources according to the first-type signaling, and indicate the resource allocation by sending the second-type signaling to the first-type wireless transceiver apparatus. The method comprises: reporting status information by sending first-type signaling to a second-type wireless transceiver apparatus, and peforming data transmission and/or performing measurement according to second-type signaling; and allocating resources by sending the second-type signaling to a first-type wireless transceiver apparatus.

Abstract: Provided are resource mapping and receiving methods and devices and signalling notification and acquisition methods and devices. The resource mapping method includes that: an evolved NodeB (eNB) maps a Channel State Information Reference Signal (CSI-RS) onto multiple resource elements in a manner of frequency division multiplexing and/or time division multiplexing and/or code division multiplexing; and/or the eNB maps an Interference Measure Resource (IMR) onto multiple resource elements in a manner of frequency division multiplexing and/or time division multiplexing. By the technical solution, the effects of improving measurement performance of a system, ensuring more accurate adaptive transmission and improving spectral efficiency of the system are further achieved.

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: 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: 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 modulation processing method, a UE and a base station are disclosed; wherein, the base station transmits a high-layer configuration signaling to the UE, wherein the high-layer configuration signaling is used to indicate whether to support a high-order Quadrature Amplitude Modulation (QAM) modulation scheme, wherein the high-order QAM modulation scheme is a modulation scheme of M QAM, wherein M is a number greater than 64.

Abstract: The present document relates to a method for processing channel state information (CSI), base station and terminal. The method for processing channel state information includes: a base station configuring a plurality of CSI processes for a terminal, each CSI process at least including information of a channel measurement part and information of an interference measurement part; when the base station configures corresponding CSI reference processes for partial or all CSI processes, at least limiting a rank indicator (RI) of the CSI processes for calculating a CSI report to be consistent with an RI of the CSI reference processes by configuring the CSI reference processes; and for the CSI processes configured with the CSI reference processes, the base station receiving the CSI report of the CSI processes according to the RI, or the RI and a PTI, or the RI and a PMI0 corresponding to the CSI reference processes.

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: A downlink control information configuration and acquisition method, base station and terminal. The base station configures a plurality of sets of received information for the terminal via dedicated high-layer signalling of the terminal, and the base station indicates which set of the plurality of sets of received information is to be used by the terminal to receive a DMRS and/or physical downlink shared channel (PDSCH) using at least one of the following pieces of information: LVRB/DVRB bits allocated by a centralized/distributed virtual resource block in the DCI Format 1A; a control channel mode in which the DCI Format 1A is located: a PDCCH and an ePDCCH; an ePDCCH transmission mode in which the DCI Format 1A is located: a diversity transmission mode and a centralized transmission mode; and an ePDCCH cluster in which the DCI Format 1A is located.

Abstract: A method and terminal for determining channel state information are disclosed. The method includes: a terminal receiving an aperiodic channel state information CSI request, determining a parameter X according to a capability of the terminal processing a CSI process and/or the number of CSI processes y configured currently, and updating up to X aperiodic CSI according to the parameter X; wherein the parameter X is: a total number of CSI processes or reports required to be updated by the terminal at the same moment in one or more aperiodic CSI requests.

Abstract: An isolated plant-functional microRNA or an extract containing said plant-functional microRNA, a preparation method therefor, and an application thereof are provided. The plant-functional microRNA originates from the endogenous microRNA of a plant, is present in a water-soluble and/or fat-soluble extract of said plant, and is capable of regulating non-plant target-genes.

Abstract: The disclosure provides a method for channel information feedback and a terminal, applied in an 8 antennae system, comprising: a terminal acquires the channel information which comprises PMI1 information and RI information; the terminal jointly encodes the PMI1 information and RI information into a 5 bit Report Type; the terminal feeds back the Report Type on a physical uplink control channel. The disclosure solves the poor transmission performance of the system caused by high overhead of channel information feedback in the related arts, thus improving the performance of the terminal to feed back information and improving the transmission performance of the system.

Abstract: The disclosure discloses a method and system for processing control channel information. A receiving side is notified, by a network side via one or more types of the following signaling, of the information required to receive or perform blind detection for a control channel, wherein the signaling part comprises at least: a Radio Resource Control (RRC) signaling, a System Information Block (SIB)x (x=2, 3) signaling, and a Physical Downlink Control Channel (PDCCH) signaling located at the first n (n=1, 2, 3, 4) Orthogonal Frequency-Division Multiplexing (OFDM) symbols. In the control channel information processing technology of the disclosure, the receiving side can be notified, via signaling configuration, of at least the time domain or frequency domain location occupied by the control channel. This scheme allows for full utilization of space division technology, thus reducing the load on a physical downlink control channel, and reducing interference between control channels.

Abstract: Disclosed in the present document are a method and terminal for calculating channel quality indication information. The method includes: a terminal performing a channel measurement according to a received cell state information-reference signal (CSI-RS) or cell reference signal (CRS), determining a channel state information (CSI) reference resource, and determining channel quality indication (CQI) calculation conditions, then the terminal calculating a CQI value corresponding to the CSI reference resource according to the determined conditions and the measurement result. The present document makes a reasonable setting of the CQI calculation conditions, and ensures performance and effectiveness of system link self-adaptation.

Abstract: The disclosure provides a method and device for determining Channel quality indication information, which is configured to perform channel measurement based on a reference signal, so as to obtain a CQI information. The method considers the influence of multiple factors on CQI calculation, including selection of a measurement reference signal as well as the influence of multiple complex conditions on CQI calculation, thereby solving the problem that an existing system is unable to obtain accurate Channel quality indication information when using a transmission mode 9, and enhancing the flexibility and performance of the system.

Abstract: Provided are a downlink data rate-matching method and device, the method including: a UE acquiring one of the following information: one or more sets of rate-matching resource indication information configured by a base station and used for instructing the UE to perform rate-matching, one or more sets of rate-matching resource indication information and combined rate-matching resource indication information, and rate-matching resource indication information of a serving cell of the UE acquired when the UE accesses a network; the UE determining a DCI Format corresponding to downlink grant indication information in a subframe of downlink control information transmitted by the base station; and the UE determining rate-matching resource information corresponding to the DCI Format and used for rate-matching according to the DCI Format and a preset corresponding relationship, and conducting downlink data rate-matching according to the rate-matching resource information. The solution improves rate-matching accuracy.

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.

Abstract: Disclosed are a method and device for transmitting parameters and a method and device for generating parameters. The method for transmitting parameters comprises: a transmission node determines a first set of parameters for the transmission node to generate at least one user equipment specific reference signal; and the transmission node sends the first set of parameters to one or more transmission nodes adjacent to the transmission node. Through the disclosure, interference between user equipment specific reference signals of transmission nodes is reduced.