Effective SINR mapping for an MC-CDMA system

被引：0
|
作者：
Elliott, Robert [1 ]
Arkhipov, Alexander [2 ]
Raulefs, Ronald [2 ]
Krzymien, Witold A. [1 ]
机构：
[1] Univ Alberta, TRLabs, Edmonton, AB, Canada
[2] German Aerosp Ctr DLR, Oberpfaffenhofen, Germany
来源：
MULTI-CARRIER SPREAD-SPECTRUM | 2006年
基金：
加拿大自然科学与工程研究理事会;
关键词：
SINR mapping; adaptive modulation and coding; multi-carrier CIDNIA; hybrid ARQ;
D O I：
10.1007/1-4020-4437-2_39
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：
One technique employed by modem cellular systems to increase throughput and reduce errors is the use of hybrid automatic repeat request (H-ARQ) schemes to retransmit packets that are in error. Adaptive modulation and coding can also be used between transmissions to adjust to the channel conditions for each transmission. However, multiple transmissions and modulation formats lead to a large number of possible combinations for which we need to determine the performance. Effective SINR mapping is a method to map the various combinations into a smaller group of reference states (e.g. a constant modulation and AWGN channel for all transmissions). Previous work has focused on the single-carrier, constant-modulation case in flat fading. In this work, we examine how to perform SINR mapping in a multi-carrier CDMA system with adaptive modulation and frequency-selective fading.
引用
收藏
页码：361 / +
页数：2
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