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학술대회 Design of Long Time Interleaver for Future S-DMB Services
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김수영, 이종수, 이종훈, 여성문, 송상섭, 김희욱, 안도섭
International Workshop on Satellite and Space Communications (IWSSC) 2008, pp.294-298
08MR5600, IMT-Advanced 위성접속 기술개발(표준화연계), 안도섭
In this paper, we present an efficient interleaver, designed for future personal mobile satellite services. Burst errors incurred by long term fading of mobile satellite channels will seriously degrade the service quality. Interleaving is an effective solution to this situation, by randomizing the errors before the channel decoders. This paper describes the design and the simulation results of a convolutional interleaver for personal mobile satellite system based on orthogonal frequency division multiplexing (OFDM) transmissions, especially IEEE mobile WiMax specification. We first analyze long term fading characteristics of mobile satellite channels, and analyze the simulation results of bit error rate (BER) performance according to various system parameters and channel conditions. ©2008 IEEE.
KSP 제안 키워드
Bit Error Rate(And BER), Burst error, Convolutional interleaver, IEEE 802.16e(Mobile wimax), Long Time, Orthogonal frequency division Multiplexing(OFDM), Satellite channel, Service Quality, Time Interleaver, channel condition, fading characteristics