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Adaptive Modulation and Coding Scheme with Independent MCS Level Selection in MIMO Systems

Kwangwook CHOI, Cheolwoo YOU, Intae HWANG, Sangjin RYOO, Kyunghwan LEE, Taejin JUNG, Cheolsung KIM

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Summary :

In this paper, we propose a system that adopts the independent MCS (modulation and coding scheme) level for each layer in the AMC (adaptive modulation and coding) scheme combined with the V-BLAST (vertical Bell lab layered space time) system. From the simulation results, we observe that since the independent MCS level case adapts modulation and coding rate for maximum throughput to each channel condition in separate layers, the combined AMC-V-BLAST system with the independent MCS level selection results in improved throughput compared to the combined AMC-V-BLAST system with the common MCS level selection and the conventional AMC system based on the 1x EV-DO standard. Especially, the combined AMC-V-BLAST system with the independent MCS level achieves a gain of 700 kbps in 7-9 dB SNR (signal-to-noise ratio) range.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E91-A No.4 pp.1226-1228
Publication Date
2008/04/01
Publicized
Online ISSN
1745-1337
DOI
10.1093/ietfec/e91-a.4.1226
Type of Manuscript
LETTER
Category
Digital Signal Processing

Authors

Keyword

AMC,  V-BLAST,  MIMO,  MCS