4G通信系统误码率分析

2016 Thirteenth International Conference on Wireless and Optical Communications Networks (WOCN) Pub Date : 2016-07-21 DOI:10.1109/WOCN.2016.7759874

C. Padmaja, B. Malleswari

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引用次数: 5

摘要

未来的宽带通信系统应该提供低复杂度的数据处理、更高的数据速率和更强的性能。性能分析本身是无线通信领域的一个关键阶段，因为由于散射会遇到多径衰落的性质。系统的最终性能指标是误码率和平均频谱效率。特别是，误码率性能取决于所采用的检测方案、信噪比和分集顺序。研究了多输入多输出(MIMO)系统中基于STBC码卡尔曼滤波的信道估计方法。在MATLAB中对时变瑞利衰落信道进行了仿真。在信道严重褪色的情况下，所提出的技术似乎获得了更接近已知信道信息的误差性能。

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Bit error rate analysis of 4G communication systems

Future broadband communication systems should provide low-complexity data processing, higher data rate, and stronger performance. Performance analysis itself is a critical stage in the field of wireless communications due to the nature of multipath fading that are encountered due to scatters. The ultimate performance measures are the bit error rate and average spectral efficiency of the system being studied. In particular, the BER performance depends on the employed detection scheme, signal to-noise ratio (SNR), and diversity order. This paper addresses a channel estimation method based on Kalman filter with STBC codes for Multiple-Input Multiple-Output (MIMO) systems. Simulations have been done in MATLAB for time-varying Rayleigh faded channels for m-QAM. The proposed technique seems to obtain an error performance closer to that of a known channel information case in severely faded channel considerations.

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2016 Thirteenth International Conference on Wireless and Optical Communications Networks (WOCN)

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