Performance analysis of an FFH/BFSK receiver with product-combining in a fading channel under multitone interference

被引:8
|
作者
Shen, YS [1 ]
Su, SL [1 ]
机构
[1] Natl Cheng Kung Univ, Dept Elect Engn, Tainan 70101, Taiwan
关键词
diversity methods; frequency hop communication; multitone jamming; performance analysis; Rician channels;
D O I
10.1109/TWC.2004.837650
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
The bit-error probability (BEP) is evaluated for a fast frequency-hopping binary frequency-shift-keying (FFH/BFSK) spread-spectrum communication system over Rician fading channels in the presence of worst-case multitone jamming (MTJ) and additive white Gaussian noise (AWGN). A diversity reception scheme of product-combining is applied at the receiver. Two types of MTJ models, namely n = 1-band MTJ and independent MTJ, are considered in this letter. To obtain the final decision statistics, the closed-form or a single finite integral expressions of cumulative distribution functions (CDFs) of the ratio of two square-law detectors' outputs per hop are derived. According to the numerical results, it is shown, unlike the known knowledge for the AWGN channel, that independent MTJ is more harmful than n = 1-band MTJ for the product-combining receivers (L greater than or equal to 2) in fading channels.
引用
收藏
页码:1867 / 1872
页数:6
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