Outage Analysis of Vehicle-Roadside Relay-Vehicle Beamforming in Cooperative Communications

被引：0
|
作者：
Jeong, Dae-Kyo [1 ]
Kim, Dongwoo [1 ]
机构：
[1] Hanyang Univ, Dept Elect Engn & Comp Sci, Ansan 426791, South Korea
来源：
2012 INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS AND SIGNAL PROCESSING (WCSP 2012) | 2012年
关键词：
RAYLEIGH FADING CHANNELS; TRANSMISSIONS; PERFORMANCE;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we study the time-average outage performance of vehicle-roadside relay-vehicle (VRV) decode-and-forward (DF) beamforming under Rayleigh flat fading channels. Maximal ratio combining (MRC) and transmit beamforming (TBF) are widely accepted ones, which maximize the signal-to-noise ratio (SNR) at the receiver when channel state information is available. With these schemes, there are four possible implementational combinations : MRC-MRC, MRC-TBF, TBF-MRC and TBF-TBF, respectively. We provide a cumulative distribution function (CDF) of end-to-end SNR for the respective cases with an assumption of an equal number of diversity branches for each hop, which is used to obtain the time-average outage performance. With numerical investigative the time-average outage is shown as a function of the distance between relays. We also compare the time-average outage performance of the four combinations.
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页数：5
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