Bit error probability performance of MIMO-OFDM in multi-tone interference

C. Esli, H. Deliç, M. Koca
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Abstract

We consider an orthogonal space-frequency block coded (OSFBC) orthogonal frequency-division multiplexing (OFDM) system under multi-tone interference and multi-path fading environment. An approximate analytic expression for the bit error probability of OSFBC-OFDM system with a block code matrix for four transmit antennas is derived and the derivation methodology for other code matrices is summarized. The bit error rate simulations are performed for QPSK signals and compared with the theoretical results. The influences of the total energy of multi-tone interference and the fraction of interfered bandwidth are investigated.
MIMO-OFDM在多音干扰下的误码概率性能
研究了在多音干扰和多径衰落环境下的正交空频块编码(OSFBC)正交频分复用系统。推导了四个发射天线分组码矩阵下OSFBC-OFDM系统误码概率的近似解析表达式,并总结了其他码矩阵的推导方法。对QPSK信号进行了误码率仿真,并与理论结果进行了比较。研究了多音干扰总能量和干扰带宽占比的影响。
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