Multi-user transparent-dehop MILSATCOM system

Hovanessian, S.A.; Jocic, Lubo; Kreng, Jack K.; Lui, G.L.; Raghavan, Srini

doi:10.1109/milcom.1995.483384

Cited by 5 publications

(1 citation statement)

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“…된 기법 중에 하나가 Dehop/Rehop 중계기(DRT) 구조 로서 [2] , 방식, 여러홉에 한 심볼을 전송하는 FFH(Fast Frequency Hopping)방식으로 구분한다 [3] . FFH 방식은 FSK계열의 변복조 방식을 사용하며 음성과 같은 저속의 데이터 전송에 사용되어 왔으나 [4] , 패턴이 간섭이 일어날 확률은 아래와 같다.…”

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Design of a Ranging Signal in the Frequency Hopping Satellite Communication System

Hwang¹,

Sim²,

Jo³

et al. 2016

Journal of the Korea Institute of Military Science and Technolo

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In this paper, a method for generating ranging signal to reduce the effects of interference and overcome intentional jamming is proposed in slow frequency hopping(SFH) communication system. A terminal uses ranging signal for initial Up-link synchronization in the frequency hopping communication systems using multi-terminal.However, ranging signal generated by unsynchronized terminal acts as an interference signal to another terminal. Therefore, we propose the design of the ranging signal with PN sequence in order to minimize the affection to the other terminal and simulated its performance. From the simulated result, we confirm synchronization performance.

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