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Outage analysis of vehicle-roadside relay-vehicle beamforming in cooperative communications
- Authors
- Jeong, Dae kyo; Kim, Dongwoo
- Issue Date
- Oct-2012
- Publisher
- IEEE
- Keywords
- Fading channels; Signaltonoise ratio (SNR); Roadsides; Outage performance; Cumulative distribution function; Vehicles; Transmit beamforming; Beamforming; Wireless telecommunication systems; Outage analysis; Maximal ratio combining (MRC); Decode-and-forwar
- Citation
- 2012 International Conference on Wireless Communications and Signal Processing, WCSP 2012
- Indexed
- OTHER
- Journal Title
- 2012 International Conference on Wireless Communications and Signal Processing, WCSP 2012
- ISSN
- 0000-0000
- Abstract
- 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 imple-mentational 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. © 2012 IEEE.
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Related Researcher
- Kim, Dong woo
- ERICA 공학대학 (SCHOOL OF ELECTRICAL ENGINEERING)