Title:
METHOD AND APPARATUS FOR PERFORMING A HYBRID AUTOMATIC REPEAT REQUEST PROCESS FOR AN UPLINK MULTI-CODEWORD TRANSMISSION IN A WIRELESS COMMUNICATION SYSTEM WHICH SUPPORTS A MULTI-ANTENNA TRANSMISSION
Document Type and Number:
WIPO Patent Application WO/2011/102697
Kind Code:
A2
Abstract:
The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for performing a hybrid automatic repeat request process for an uplink multi-codeword transmission in a wireless communication system which supports a multi-antenna transmission. The uplink multi-codeword transmission method according to one embodiment of the present invention comprises the following steps: transmitting first and second codewords, transmitting information on the status of transmission buffer for the first and second codewords, receiving downlink control information (DCI) containing acknowledgement (ACK)/negative acknowledgement (NACK) information on each of the first and second codewords, and re-transmitting the codeword for NACK information, wherein the codeword for ACK information is not transmitted to a base station in cases where the transmission buffer is empty.
Inventors:
CHUNG JAE HOON (KR)
KO HYUN SOO (KR)
HAN SEUNG HEE (KR)
LEE MOON IL (KR)
KO HYUN SOO (KR)
HAN SEUNG HEE (KR)
LEE MOON IL (KR)
Application Number:
KR2011/001155
Publication Date:
August 25, 2011
Filing Date:
February 22, 2011
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
CHUNG JAE HOON (KR)
KO HYUN SOO (KR)
HAN SEUNG HEE (KR)
LEE MOON IL (KR)
CHUNG JAE HOON (KR)
KO HYUN SOO (KR)
HAN SEUNG HEE (KR)
LEE MOON IL (KR)
International Classes:
H04L1/18; H04B7/26; H04J11/00
Foreign References:
| KR20080003682A | 2008-01-08 | |||
| US20080192718A1 | 2008-08-14 |
Other References:
ROHDE&SCHWARZ: 'UMTS Long Term Evolution Technology Introduction' APPLICATION NOTE 1MA1 11 September 2008, page 11,12,20
Attorney, Agent or Firm:
KIM, Yong In et al. (KR)
김용인 (KR)
김용인 (KR)
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Claims: