扩频和非扩频空时分组码系统通信的码本设计

M. Beko, J. Xavier, V. Barroso
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引用次数: 3

摘要

研究了扩张式和非扩张式多天线无线通信的空时码本设计问题,提出了一种新的空时码本设计方法。这优化了接收机检测器在高信噪比(SNR)条件下的误差概率,从而利用黎曼几何对空时码字的功率约束的迭代方法解决了非线性非光滑优化问题。计算机模拟表明,对于低信噪比,我们的码本略好于那些最先进的已知解决方案。然而,对于中信噪比和高信噪比,我们的方法提供了优于其他已知代码的代码。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Codebook design for communication in spread and nonspread space-time block codes-based systems
The problem of space-time codebook design for communication in spread and nonspread multiple-antenna wireless systems is addressed and a new methodology for space-time codebook design is proposed. This optimizes the probability of error of the receiver's detector in the high signal-to-noise-ratio (SNR) regime, thus solving a nonlinear non-smooth optimization problem using an iterative method that exploits the Riemannian geometry imposed by the power constraints on the space-time codewords. Computer simulations demonstrate that, for the low SNR regime, our codebooks are marginally better than those provided by state-of-art known solutions. However, for the medium and high SNR regimes, our method provides codes that outperform other known codes.
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