Outage Analysis of Cognitive Relaying with Multiple Receive Antennas

Yan Wu; Qinghai Yang; Jian Chen; Fenglin Fu; Kyung Sup Kwak

ChinaCom2009-Frontiers on Communications and Networking Symposium

Research Article

Outage Analysis of Cognitive Relaying with Multiple Receive Antennas

Cite: BibTeX Plain Text

@INPROCEEDINGS{10.1109/CHINACOM.2009.5339960,
    author={Yan Wu and Qinghai Yang and Jian Chen and Fenglin Fu and Kyung Sup Kwak},
    title={Outage Analysis of Cognitive Relaying with Multiple Receive Antennas},
    proceedings={ChinaCom2009-Frontiers on Communications and Networking Symposium},
    publisher={IEEE},
    proceedings_a={CHINACOM2009-FCN},
    year={2009},
    month={11},
    keywords={Outage-probability; Relay networks; Cognitive radio; MIMO; Rayleigh fading},
    doi={10.1109/CHINACOM.2009.5339960}
}

Yan Wu
Qinghai Yang
Jian Chen
Fenglin Fu
Kyung Sup Kwak
Year: 2009
Outage Analysis of Cognitive Relaying with Multiple Receive Antennas
CHINACOM2009-FCN
IEEE
DOI: 10.1109/CHINACOM.2009.5339960

Yan Wu¹^,*, Qinghai Yang¹^,*, Jian Chen¹^,*, Fenglin Fu¹^,*, Kyung Sup Kwak²^,*

1: State Key Laboratory on ISN, School of Telecommunications Engineering, Xidian University, No.2 Taibainan-lu, Xi’an, 710071, Shaanxi, China.
2: Graduate School of Information Technology and Telecommunications, Inha University, #253 Yonghyun-dong, Nam-gu, Incheon, 402-751, Korea.

*Contact email: karl_max@126.com, qhyang@xidian.edu.cn, chenjian@mail.xidian.edu.cn, flfu@xidian.edu.cn, kskwak@inha.ac.kr

Abstract

We investigate the outage performance of multi-antenna cognitive wireless relay networks where source nodes transmit information to their destinations via two hops facilitated by intermediate cognitive nodes able to acquire spectrum holes. In particular, we conduct an outage performance analysis for a decode-and-forward (DF) relaying system under three scenarios which are depending on the spectrum acquisition capability of cognitive relay nodes in each cluster. A closed-form expression of the outage probability is derived under Rayleigh fading channels for all signal to noise ratio (SNR) regimes. It is showed that by using multiple antennas into such networks the outage performance improves significantly.

Keywords: Outage-probability; Relay networks; Cognitive radio; MIMO; Rayleigh fading

Published: 2009-11-20
Publisher: IEEE
Modified: 2010-05-16

: http://dx.doi.org/10.1109/CHINACOM.2009.5339960