Title:
METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING REFERENCE SIGNAL
Document Type and Number:
WIPO Patent Application WO/2013/042982
Kind Code:
A1
Abstract:
The present invention relates to a method and apparatus of transmitting and receiving an uplink reference signal, such as an SRS (Sounding Reference Signal). A reference signal transmitting method according to the present invention includes the steps of receiving an SRS (Sounding Reference Signal) request over a downlink control channel and transmitting SRS according to the SRS request, wherein antenna ports that perform uplink transmission are divided into a first group and a second group. The SRSs may be transmitted through antenna ports included in one of the first group and the second group. According to the present invention, transmission resources may be effectively used, and interference that may occur between different user equipment devices may be reduced.
Inventors:
LI JIAN JUN (KR)
PARK KYOUNG MIN (KR)
PARK KYOUNG MIN (KR)
Application Number:
PCT/KR2012/007587
Publication Date:
March 28, 2013
Filing Date:
September 21, 2012
Export Citation:
Assignee:
PANTECH CO LTD (KR)
International Classes:
H04J11/00; H04B7/26
Domestic Patent References:
| WO2010082756A2 | 2010-07-22 |
Foreign References:
| US20100215114A1 | 2010-08-26 | |||
| US20110200143A1 | 2011-08-18 |
Attorney, Agent or Firm:
S&IP PATENT & LAW FIRM (Gangnam-gu, Seoul 135-080, KR)
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Claims: