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Performance of Tactics Mobile Communication System Based on UWB with Double Binary Turbo Code in Multi-User Interference Environments  

Kim, Eun-Cheol (광운대학교 전파공학과)
Seo, Sung-Il (광운대학교 전파공학과)
Kim, Jin-Young (광운대학교 전파공학과)
Publication Information
The Journal of the Institute of Internet, Broadcasting and Communication / v.10, no.1, 2010 , pp. 39-50 More about this Journal
Abstract
In this paper, we analyze and simulate the performance of a tactics mobile communication system based on ultra wide band (UWB) in multi-user interference (MUI) environments. This system adopts a double binary turbo code for forward error correction (FEC). Wireless channel is modeled a modified Saleh and Valenzuela (SV) model. We employ a space time block coding (STBC) scheme for enhancing system performance. System performance is evaluated in terms of bit error probability. From the simulation results, it is confirmed that the tactics mobile communication system based on UWB, which is encoded with the double binary turbo code, can achieve a remarkable coding gain with reasonable encoding and decoding complexity in multi-user interference environments. It is also known that the bit error probability performance of the tactics mobile communication system based on UWB can be substantially improved by increasing the number of iterations in the decoding process for a fixed cod rate. Besides, we can demonstrate that the double binary turbo coding scheme is very effective for increasing the number of simultaneous users for a given bit error probability requirement.
Keywords
Double Binary Turbo Code; Multi-user Interference; Space Time Block Code; Tactics Mobile Communication; Ultra Wide Band;
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