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Performance Analysis of HDR-WPAN System with MIMO Techniques  

Han Deog-Su (한국항공대학교 항공전자 및 정보통신공학부)
Kang Chul-Gyu (한국기술교육대학교 정보기술공학부)
Oh Chang-Heon (한국기술교육대학교 정보기술공학부)
Cho Sung-Joon (한국항공대학교 항공전자 및 정보통신공학부)
Abstract
In this paper, we proposed reliability and capacity enhancement methods for IEEE 802.15.3 HDR-WPAN (High Data Rate-Wireless Personal Area Network) system which is currently getting an interest in home network technology adopting a MIMO technique. We also analyzed performance or the proposed system through a computer simulation. The HDR-WPAN system using V-BLAST algorithm, transmitting the different signal vector to each other's sub-channel, can get the transmission speed of more than 110Mbps using two Tx/Px antenna without bandwidth expansion in TCM-64QAM mode. Also the proposed system has reliability of 104 at $E_b/N_0=35dB$ under the Rayleigh fading channel in case of two Tx/Rx antenna with MMSE algorithm. The HDR-WPAN system adopting V-BLAST method has its drawback which is very complicated to determine the decision-ordering at the receiver. But, the proposed system enhances the transmission capacity and reliability without extra bandwidth expansion by sending data streams to multiple antennas.
Keywords
HDR-WPAN; MIMO; V-BLAST; Capacity enhancement;
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