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http://dx.doi.org/10.7236/JIWIT.2011.11.3.017

Performance of Interference Cancellation Scheme for Multihop Military Communication Systems  

Kim, Yo-Cheol (LG전자 MC사업본부)
Kim, Jin-Young (광운대학교 전파공학과)
Publication Information
The Journal of the Institute of Internet, Broadcasting and Communication / v.11, no.3, 2011 , pp. 17-22 More about this Journal
Abstract
In this paper, we analyze co-channel interference cancellation performance to be generated in multi-hop military communication system. First, remove interference using zero-forcing (ZF) and minimum mean square error (MMSE) scheme as interference cancellation methods, and then obtain additional diversity gain and improve interference cancellation performance by applying successive interference cancellation (SIC). We consider Rayleigh fading channel and system performance is analyzed as respect of bit error probability. From simulation results, we confirm MMSE improves significantly BER performance than ZF in multi-hop wireless network environment. It is also confirmed ZF and MMSE schemes applying SIC algorithm have better performance comparing to the existing schemes. Therefore, MMSE-SIC method can provide more reliable signal transmission in the multi-hop military communication system.
Keywords
Cooperative communication; Multi-input multi-output (MIMO); Successive interference cancellation (SIC);
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