Combined user multiplexing and data modulation through non-binary turbo codes for UWB

被引:0
|
作者
Popovski, K. [1 ]
Wysocki, T. A. [2 ]
Wysocki, B. J. [1 ]
机构
[1] Univ Wollongong, Sch Elect Comp & Telecommun Engn, Northfields Ave, Wollongong, NSW 2522, Australia
[2] Univ Nebraska, Dept Elect & Comp Engn, Omaha, NE 68182 USA
关键词
UWB; time reversed; pre rake equalization; TCM; TTCM; nonbinary turbo;
D O I
10.1109/WCNC.2008.188
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
With significant research being conducted in Ultra Wideband communications to increase error performance, this paper proposes a combination of user multiplexing and data encoding to achieve a BER improvement. Through the use of non binary turbo coding, data is modulated to form a time hopping code which is applied to a time reversed UWB system. Comparative results with conventional binary coding are given, showing the possibility for BER improvements in systems with a low number of users. Slight performance degradations for a large number of users exist. The effects of a user applying turbo coding on other users not applying forward error correction is also studied.
引用
收藏
页码:1038 / +
页数:2
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