A Novel Distributed Antenna Selection Scheme for Fixed-Gain Amplify-and-Forward Relaying Systems

被引：13

作者：

Ding, Haiyang ^{[1
,2
]}

Ge, Jianhua ^{[1
]}

da Costa, Daniel B. ^{[3
]}

Tsiftsis, Theodoros ^{[4
]}

机构：

[1] Xidian Univ, State Key Lab Integrated Serv Networks, Xian 710071, Peoples R China

[2] Xian Commun Inst, Xian 710106, Peoples R China

[3] Univ Fed Ceara, BR-62042280 Sobral, Brazil

[4] Technol Educ Inst Lamia, Dept Elect Engn, Lamia 35100, Greece

来源：

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2012年 / 61卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Antenna selection (AS) schemes; cooperative diversity; fixed-gain relays; outage probability; DIVERSITY; COOPERATION;

D O I：

10.1109/TVT.2012.2197872

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：

This paper proposes a novel distributed transmit antenna selection (AS) concept for dual-hop fixed-gain amplify-and-forward (AF) relaying systems, where a multiantenna source transmits information to a single-antenna destination by using a single-antenna half-duplex relay. By invoking a local channel information exploitation/decision mechanism along with decision feedback between terminals, a distributed AS (DAS) scheme is formulated. Compared with the optimal/suboptimal AS, DAS can maintain a low and constant delay/feedback overhead, irrespective of the number of transmit antennas. Moreover, asymptotic outage analysis reveals that DAS can still achieve full diversity order. In addition, it is numerically shown that when the relay is deployed in an outage-optimal manner, DAS can attain very close outage performance to that of the optimal AS.

引用

页码：2836 / 2842

页数：7

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