A Method for Intercepting and Demodulating Slow Frequency Hopping DPSK Signals

被引：0
|
作者：
Koziol, Scott [1 ]
Russell, Steve F. [2 ]
机构：
[1] Baylor Univ, Dept Elect & Comp Engn, Waco, TX 76798 USA
[2] Iowa State Univ, Dept Elect & Comp Engn, Ames, IA 50011 USA
来源：
2015 TEXAS SYMPOSIUM ON WIRELESS AND MICROWAVE CIRCUITS AND SYSTEMS (WMCS) | 2015年
关键词：
Frequency Hopping Spread Spectrum; noncoherent detection; digitally modulated signals; DBPSK; PERFORMANCE;
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：
This paper presents a non-coherent wireless communication receiver design for intercepting and demodulating frequency hopping spread spectrum (FH-SS) signals. This interception receiver is based on phase modulation to amplitude modulation conversion (PM to AM), and is specifically designed for demodulating a slow frequency-hopped signal that has differentially encoded phase shift keying (DPSK) modulation. The intercept receiver uses a bank of bandpass filters at the front end. Matlab simulations show that if a signal has a signal to noise ratio (SNR) greater than approximately 30 dB (where the bandwidth (BW) of each of the intercept filters in the simulation is five times the message bit frequency), the intercept receiver can demodulate it by using an approach based on PM to AM conversion and adaptive pattern recognition. The performance of the receiver is characterized with simulations and analytical calculations.
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页数：8
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