Adaptive Bit and Power Allocation Algorithm for SVD-MIMO System with Fixed Transmission Rate

被引：0

作者：

Mitsuyama, Kazuhiko ^{[1
]}

Iai, Naohiko ^{[1
]}

机构：

[1] Japan Broadcasting Corp NHK, Sci & Technol Res Labs, Setagaya Ku, 1-10-11 Kinuta, Tokyo 1578510, Japan

来源：

2014 IEEE 10TH INTERNATIONAL CONFERENCE ON WIRELESS AND MOBILE COMPUTING, NETWORKING AND COMMUNICATIONS (WIMOB) | 2014年

关键词：

MIMO; SVD; modulation error ratio; adaptive modulation; power control; EXPERIMENTAL VALIDATION; CHANNELS; CAPACITY;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

We have started to study the feasibility of using a singular value decomposition-multiple-input multiple-output (SVD-MIMO) system as an advanced field pick-up unit (FPU) that offers large capacity and high link reliability. In this paper, we propose a practical adaptive bit and power allocation (ABPA) algorithm for a fixed-rate system. The algorithm uses the modulation error ratio (MER) margin, which corresponds to the difference between the expected MER after power allocation and a predetermined MER threshold, as a metric to obtain the optimal combination of bit and power allocation. The algorithm can provide the optimal bit and power allocation without making an exhaustive search. In a computer simulation, an SVD-MIMO system implementing our algorithm showed excellent BER performance under correlated fading channels.

引用

页码：455 / 460

页数：6

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