摘要:
The present invention relates to a method for transmitting a terminal-specific reference signal for a control signal by a base station in a wireless communication system. Specifically, the method is characterized in that it comprises: transmitting a plurality of control channels and a first terminal-specific reference signal for the plurality of control channels to a first resource region; and transmitting one control channel and a second terminal-specific reference signal for the control channel to a second resource region, wherein the different descrambling identifiers are applied to the first and second terminal-specific reference signals.
摘要:
The present invention relates to a wireless communication system. More particularly, the present invention relates to a method and apparatus for reporting channel state information (CSI), wherein the method in which a terminal reports CSI comprises the steps of: receiving configuration information for periodic CSI reporting from a base station; and transmitting CSI information for each of a plurality of sets of CSI reports based on said configuration information to said base station via a physical uplink control channel (PUCCH). Said plurality of sets of CSI reports contains one or more mutually different subframes.
摘要:
The present application discloses a method for transmitting, by a base station, downlink control information to a terminal in a wireless communication system. More particularly, the method comprises the steps of: allocating, to a transmission resource, the downlink control information for the terminal; and transmitting, to the terminal, the downlink control information using the transmission resource. the downlink control information for the terminal comprises: a downlink grant; and an uplink grant, wherein the downlink grant is allocated to one of first and second slots of a subframe of the transmission resource, and the uplink grant is allocated to at least one of first and second slots of a subframe of the transmission resource.
摘要:
A method for transmitting a downlink control channel at a base station in a wireless communication system is disclosed herein. The method includes the steps of generating control information for each of a plurality of user equipments; mapping the control information for each of the plurality of user equipments to one of subcarrier groups within at least one resource block pairs configured for the downlink control channel, wherein the subcarrier groups mapped to the control information for each of the plurality of user equipments are different from each other; and transmitting the downlink control channel through the subcarrier groups.
摘要:
A method for transmitting uplink signals from a user equipment to a base station in a time division multiplexing wireless communication system is disclosed. The method comprises the steps of transmitting a first uplink signal on an uplink subframe or a special subframe that precedes the uplink subframe, by preceding a first timing advance value at a reference time; and transmitting a second uplink signal on the uplink subframe by preceding a second timing advance value at the reference time, wherein the first timing advance value is greater than the second timing advance value, and the first uplink signal is transmitted for an uplink pilot time slot (UpPTS) period of the special subframe if a difference value between the first timing advance value and the second timing advance value is greater than a preset value.
摘要:
The present invention relates to a method and apparatus for transmitting a channel measurement reference signal for measuring channel state from user equipment, and a method and apparatus for receiving the channel measurement reference signal. The base station of the present invention transmits power information concerning a plurality of nodes to user equipment capable of receiving signals from the plurality of nodes, and the plurality of nodes each transmit respective channel measurement reference signals. The power Information includes channel measurement reference signal, transmission power for each of the plurality of nodes and information indicating downlink data transmission power ratios. The user equipment calculates channel state information on the plurality of nodes based on the power Information and the channel measurement reference signals from the plurality of nodes.
摘要:
The present invention relates to a method, in which a terminal transmits channel state information in a multi-node system, which includes the steps of: receiving information about cooperative transmission candidate nodes from a network; calculating first channel state information about the cooperative transmission candidate nodes; calculating second channel state information by assuming that the nodes included in the interference candidate modes are interference nodes among the cooperative transmission candidate nodes; and transmitting the calculated first and second channel state information to the network.
摘要:
A multiple distributed antenna system is disclosed. A method for a base station to allocate an antenna port to transmit signals in a wireless communication system includes allocating a resource for transmitting an Enhanced-Physical Downlink Control Channel (E-PDCCH) for a user equipment, and transmitting the E-PDCCH to the user equipment using the allocated resource, wherein the E-PDCCH for the user equipment is allocated to a first antenna port, a Physical Downlink Shared Channel (PDSCH) corresponding to the E-PDCCH for the user equipment is allocated to a second port, and the second antenna port to which the PDSCH is allocated is determined according to the first antenna port.
摘要:
A method for a base station to transmit a Demodulation Reference Signal (DMRS) for a control channel in a wireless communication system is disclosed. The method includes transmitting a DMRS for an Enhanced-Physical Downlink Control Channel (E-PDCCH) to a user equipment, wherein a DMRS sequence corresponding to the transmitted DMRS is formed using an initial sequence calculated based on a virtual cell ID.
摘要:
Provided is a method for mitigating inter-cell interference generated by the collision of UL transmissions and DL transmissions between adjacent cells in an asymmetric time division duplex (TDD) communication system. The present invention removes or reduces time-frequency resources for UL transmissions which collide with DL transmissions of an adjacent cell, and thus can mitigate inter-cell interference.