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FFH under multi-tone interference diversity combining technology research system

Author: WeiChao
Tutor: ChengYuFan
School: University of Electronic Science and Technology
Course: Communication and Information System
Keywords: Fast frequency hopping -Aligned multi-tone interference Non -aligned multi-tone interference MAI
CLC: TN914.41
Type: Master's thesis
Year: 2010
Downloads: 19
Quote: 1
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Abstract


Fast frequency hopping (FFH) technology as an important communications jamming technology in the military and commercial has a very wide range of applications . Diversity combining technique is one of the key technologies FFH system , sub- collections and improves FFH system anti-jamming performance, anti- fading properties. This paper focuses on the alignment of multi- tone jamming (MTJ) and non -aligned multi-tone interference FFH system under single-user diversity combining technique and studied the FFH system is multi-user diversity combining techniques . The first chapter outlines the principles of fast frequency hopping communication , explaining -aligned and non -aligned MTJ MTJ concepts based on this proposed research multi-tone interference FFH system of collection and technical necessity . The second chapter describes the five major sub- set of the basic principles and techniques and receiver block diagram . The third chapter studies the interference of MTJ -aligned single-user diversity combining FFH algorithm without fading , Rician fading , Rayleigh fading performance simulation analysis . Chapter detailed study of non -aligned under the FFH MTJ single-user interference diversity combining theoretical performance of the algorithm , and has done a simulation analysis . Theory and simulation results show that : the signal is not experiencing decline , the non -aligned MTJ MTJ interference interference ratio -aligned better interference effect . Chapter V focuses on the FFH system multiuser diversity combining techniques to analyze the MAI impact on system performance . Chapter VI concludes the paper .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Communicate > Communication systems ( transmission system) > Frequency hopping spread spectrum communication system > Frequency hopping communication
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