Near-Far Resistant Successive Interference Cancellation Detector in UWB Systems

被引：0
|
作者：
Cheng, Chia-Hsin [1 ]
Wen, Jyh-Homg [2 ]
机构：
[1] Chaoyang Univ Technol, Dept Comp & Commun Engn, Taichung, Taiwan
[2] Tunghai Univ, Dept Elect Engn, Taichung, Taiwan
来源：
2008 THIRD INTERNATIONAL CONFERENCE ON COMMUNICATIONS AND NETWORKING IN CHINA, VOLS 1-3 | 2008年
关键词：
UWB; multistage detection; near-far resistance;
D O I：
暂无
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：
Similar to code-division multiple access (CDMA) systems, UWB systems used for multiple access communication environments have the near-far problem, which degrades system performance. To overcome this drawback, several advanced receiver structures have been proposed. Unlike the conventional UWB receiver which treats multiple access interference (MAI) as if it were AWGN, multiuser receivers treat MAI as additional information to aid in detection. We present the multistage successive interference cancellation (SIC) detectors in our proposed orthogonal on-off (O-3)-based structure along with a one-shot detector to solve near-far problem and compare the most discussed receiver structures: the linear decorrelating detector (LDD) and the linear minimum mean squared error (LMMSE) detector.
引用
收藏
页码：52 / +
页数：2
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