具有Walsh-Hadamard变换的STC-GFDM系统

2016 IEEE International Conference on Electronic Information and Communication Technology (ICEICT) Pub Date : 2016-08-01 DOI:10.1109/ICEICT.2016.7879674

Wei Zhang, Zhimin Zhang, Jipeng Jia, Lin Qi

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引用次数: 7

摘要

通用频分复用(GFD-M)是第五代(5G)通信网络空中接口的一种有前途的候选波形。GFDM与时反转空时编码(TR-STC)相结合可以提高误码率(BER)性能。在本文中，我们在TR-STC-GFDM系统中使用Walsh-Hadamard变换(WHT)来进一步提高系统在频率选择时变信道上的性能。仿真结果表明，在复杂度稍有增加的情况下，WHT可以显著降低STC-GFDM系统的误码率。同时，降低了系统的峰均功率比(PAPR)。

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STC-GFDM systems with Walsh-Hadamard transform

Generalized Frequency Division Multiplexing (GFD-M) is a promising candidate waveform for the air interface of the fifth generation (5G) communication networks. The combination of GFDM and time-reversal space-time coding (TR-STC) can improve the bit error rate (BER) performance. In this paper, we employ Walsh-Hadamard Transform (WHT) in TR-STC-GFDM systems to further enhance the system performance over frequency-selective time-variant channels. Simulation results show that with slight increase in complexity, WHT can substantially reduce the BER of the STC-GFDM systems. Meanwhile, the peak-to-average power ratio (PAPR) of the system is also reduced.

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2016 IEEE International Conference on Electronic Information and Communication Technology (ICEICT)

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