A novel midamble based channel estimation technique for TD-HSPA+ system

Astha Shandilya, S. P. Kar, A. Datta
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Abstract

This paper devotes to the channel estimation of a rapidly time varying environment for TD-HSPA+ technology. Based on the QR factorization of the midamble matrix, a modified channel estimator is proposed. To validate the method, several simulated cases with existing B. Steiner, Least squares (LS) and Minimum mean square error (MMSE) methods are considered. The simulation results demonstrate that the modified factorization method is more efficient, numerically stable and take less runtime than the conventional methods.
TD-HSPA+系统中一种新的基于中频的信道估计技术
本文研究了TD-HSPA+技术快速时变环境下的信道估计问题。基于中间矩阵的QR分解,提出了一种改进的信道估计器。为了验证该方法,采用现有的B. Steiner、最小二乘(LS)和最小均方误差(MMSE)方法进行了仿真。仿真结果表明,改进的分解方法比传统方法更高效、数值稳定、运行时间短。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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