Constant-Power Bit Loading for Multicarrier Systems: BER-Allocation

被引：1
|
作者：
George, Yaniv [1 ]
Amrani, Ofer [1 ]
机构：
[1] Tel Aviv Univ, Dept Elect Engn Syst, Sch Elect Engn, IL-69978 Tel Aviv, Israel
来源：
WIRELESS PERSONAL COMMUNICATIONS | 2012年 / 64卷 / 04期
关键词：
Parallel channel; OFDM; Bit loading; Adaptive modulation; Fading channel;
D O I：
10.1007/s11277-010-0209-z
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Adaptive bit loading algorithms are proposed for multi-channel systems in general, and orthogonal frequency division multiplexing in particular. A discrete coding-modulation adaptation is considered. Constant power allocation is assumed for all subchannels, while the bit error rate on different subchannels is unconstrained. The proposed algorithms are computationally efficient and require limited amount of feedback resources. Their performance compare favorably with other practical schemes known in the art.
引用
收藏
页码：625 / 645
页数：21
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