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Hyungsik Ju, Xiaohu Shang, H. Vincent Poor, and Daesik Hong, "Rate Improvement of Beamforming Systems via Bi-Directional Use of Spatial Resources", GLOBECOM 2011, July 2011
[IEEE GLOBECOM]
조회 80493
Status : | Presented |
---|---|
Date : | 2011-07 |
Title : | Rate Improvement of Beamforming Systems via Bi-Directional Use of Spatial Resources |
Authors : | Hyungsik Ju, Xiaohu Shang, H. Vincent Poor, and Daesik Hong |
Conference : | GLOBECOM 2011 |
Abstract : | This paper considers an increase in the achievable rate of beamforming systems in two-way communication, resulting from bi-directional use of the spatial resources. The concept of bidirectional use of the spatial resources is first introduced. Then, a condition is derived under which bi-directional beamforming (BB) has larger achievable rate than that of conventional beamforming operating via frequency division duplexing (UB-FDD). In addition, the variation in the achievable rate of bi-directional beamforming is investigated when echo interference is pre-cancelled in the air. Simulation results show that the achievable rate of BB is always larger when the echo is ideally eliminated, and is larger over a certain level of SNR and below a certain level of fading correlation than that of UB-FDD. |
URL : | http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6133737 |
Download : | http://mirinae.yonsei.ac.kr/?module=file...249b10caa8 |
Hyungsik Ju; Xiaohu Shang; Poor, H.V.; Daesik Hong; , "Rate Improvement of Beamforming Systems via Bi-Directional Use of Spatial Resources," Global Telecommunications Conference (GLOBECOM 2011), 2011 IEEE , vol., no., pp.1-5, 5-9 Dec. 2011
doi: 10.1109/GLOCOM.2011.6133737
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6133737&isnumber=6133457
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