Asymptotic Properties of Dual-Hop AF Relay MIMO Communication Systems

被引：0

作者：

Girnyk, Maksym A. ^{[1
,2
]}

Vehkapera, Mikko ^{[3
]}

Rasmussen, Lars K. ^{[1
,2
]}

机构：

[1] KTH Royal Inst Technol, Sch Elect Engn, Stockholm, Sweden

[2] KTH Royal Inst Technol, ACCESS Linnaeus Ctr, Stockholm, Sweden

[3] Aalto Univ, Sch Elect Engn, Dept Signal Proc & Acoust, Espoo, Finland

来源：

2014 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY (ISIT) | 2014年

基金：

瑞典研究理事会;

关键词：

GAUSSIAN CHANNELS; CAPACITY; NETWORKS; ERROR; CDMA;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

The present paper studies the asymptotic performance of dual-hop amplify-and-forward multiple-input multiple-output relay communication systems. In the corresponding setup, a relay amplifies the signal received from a source, retransmitting it towards a destination, while the direct source-destination link is absent. Ergodic achievable rates under separate decoding, along with the average bit error rate under various detection schemes are derived in the regime where the number of antennas at each terminal grows without bound. To overcome the mathematical difficulty of averaging over both channel realizations and input signals we apply large-system analysis based on the replica method from statistical physics. The validity of the large-system analysis is further verified through Monte Carlo simulations, providing particularly good accuracy at low SNR.

引用

页码：476 / 480

页数：5

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