Improving BER Performance of IEEE 802.15.4 with Alamouti Scheme in MIMO System

MIMO 시스템에서 ALAMOUTI 기법과 IEEE 802.15.4의 BER 성능 개선

  • Received : 2012.10.18
  • Accepted : 2013.01.18
  • Published : 2013.02.28


This paper proposes a technique for applying space-time block coding (STBC) - Alamouti scheme on Multiple Inputs Multiple Output (MIMO) system based on IEEE 802.15.4 standard. It is applied to IEEE 802.15.4 standard in $2{\times}1$ MISO and $2{\times}2$ MIMO systems. Simulation is performed using Matlab and the results are compared with conventional IEEE 802.15.4 approaches, Single Input Single Output (SISO) system and switching diversity $1{\times}2$ Single Input Multiple Output (SIMO) system. The simulations show that applied Alamouti scheme gave better Bit Error Rate (BER) performance compared to combined IEEE 802.15.4 with switching diversity and SISO system.


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