Performance Analysis of OSTBC Relaying in AF MIMO Relay Systems With Imperfect CSI

被引：19

作者：

Arti, M. K. ^{[1
]}

Mallik, Ranjan K. ^{[2
]}

Schober, Robert ^{[3
]}

机构：

[1] Northern India Engn Coll, Dept Elect & Commun Engn, New Delhi 110053, India

[2] Indian Inst Technol, Dept Elect Engn, New Delhi 110016, India

[3] Univ British Columbia, Dept Elect & Comp Engn, Vancouver, BC V6T 1Z4, Canada

来源：

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2015年 / 64卷 / 07期

关键词：

Amplify-and-forward (AF) protocol; channel estimation; cooperative diversity; M-ary phase-shift keying (M-PSK); multiple-input-multiple-output (MIMO) system; orthogonal space-time block codes (OSTBCs); Rayleigh fading; symbol error rate (SER); TIME BLOCK-CODES; M FADING CHANNELS;

D O I：

10.1109/TVT.2014.2347581

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, the transmission of orthogonal space-time block codes (OSTBCs) in amplify-and-forward (AF) multiple-input-multiple-output (MIMO) relay networks, with imperfect channel state information (CSI), is considered. Individual channel estimation and time-efficient cascaded (for estimating the product of channel matrices) channel estimation protocols are used for estimating the channel matrices required for decoding of OSTBC data at the destination. We derive tight approximations for the moment-generating function (m.g.f.) of the received signal-to-noise ratio at the destination node with imperfect CSI, by ignoring higher order noise terms, in Rayleigh fading. Using the derived m.g.f. expression, we obtain the analytical symbol error rate (SER) of the AF MIMO relay system for general OSTBCs with M-ary phase-shift keying constellation. The diversity order of the MIMO OSTBC relay system is also derived for some special cases by using the SER expression.

引用

页码：3291 / 3298

页数：9

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