Method for transceiving signals between a base station and a relay node in a multiuser multi-antenna wireless communication system, and apparatus for same

Patent metadata

Field	Value
Publication number	US-9100144-B2
Application number	US-201113642954-A
Country	US
Kind code	B2
Filing date	Apr 21, 2011
Priority date	Apr 23, 2010
Publication date	Aug 4, 2015
Grant date	Aug 4, 2015

Abstract

The present disclosure relates to a method in which a base station transmits signals to a relay node in a multiuser multi-antenna (MIMO) wireless communication system. More particularly, the method includes: allocating one or more antenna ports to one or more relay nodes, respectively; mapping each of a plurality of downlink grant signals for the one or more relay nodes to a preset resource domain from among resource domains corresponding to one of the allocated antenna ports; mapping uplink grant signals or data signals for the one or more relay nodes to the resource domains corresponding to the allocated antenna ports; and transmitting the mapped signals to the one or more relay nodes.

First claim

The invention claimed is:

1. A method for transmitting a relay node specific downlink physical control channel (R-PDCCH) and a downlink physical shared channel (PDSCH) to a relay node from a base station in a multiple antennae wireless communication system, the method comprising:
mapping the R-PDCCH to resource elements (REs) in a first slot of at least one resource block (RB) pair of two or more RB pairs on a specific antenna port among a plurality of antenna ports;
mapping the PDSCH to REs in the two or more RB pairs on the plurality, of antenna ports; and
transmitting the mapped R-PDCCH and the mapped PDSCH to the relay node,
wherein the PDSCH is not mapped to any RE in the first slot of the at least one RB pair on the plurality of antenna ports, and
wherein the PDSCH is mapped to REs in a second slot of the at least one RB pair on the plurality of antenna ports.

2. The method of claim 1 , further comprising: transmitting information about the two or more RB pairs to the relay node.

3. The method of claim 1 , wherein the R-PDCCH includes a downlink assignment for the PDSCH.

4. A method for receiving a downlink physical shared channel (PDSCH) from a base station at a relay node in a multiple antennae wireless communication system, the method comprising:
detecting a relay node specific downlink physical control channel (R-PDCCH) in a first slot of at least one resource block (RB) pair of two or more RB pairs on a specific antenna port among the plurality of antenna ports; and
receiving the PDSCH in the two or more RB pairs on the plurality of antenna ports according to the R-PDCCH; and
wherein the PDSCH is not received in the first slot of the at least one RB pair on the plurality of antenna ports, and
wherein the PDSCH is received in a second slot of the at least one RB pair on the plurality of antenna ports.

5. The method of claim 4 , further comprising: receiving information about the two or more RB pairs from the base station.

Assignees

• Kim Hak Seong
• Seo Han Byul
• Kim Byoung Hoon
• Kim Ki Jun
• Lee Dae Won
• Lg Electronics Inc

Inventors

• Kim Hak Seong
• Seo Han Byul
• Kim Byoung Hoon
• Kim Ki Jun
• Lee Dae Won

Classifications

• H04W72/20 Primary

  Control channels or signalling for resource management · CPC title

• H04W72/23

  in the downlink direction of a wireless link, i.e. towards a terminal · CPC title

• H04L5/0023 Primary

  Time-frequency-space · CPC title

• H04W72/046

  the resource being in the space domain, e.g. beams · CPC title

• H04L5/0094

  Indication of how sub-channels of the path are allocated · CPC title