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GPP-based random access preamble detection in TD-LTE

机译:TD-LTE中基于GPP的随机接入前导码检测

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摘要

In this paper the implementation of random access preamble detection based on General Purpose Processor (GPP) is proposed. Detailed optimization of Intel® Performance Libraries and Single instruction Multiple Data (SIMD) has been described. By analyzing the characteristic of two detection algorithms and optimization methods, the detection algorithm with FFT/IFFT is proved easier to be employed on GPP. The simulations reveal that realization of preamble detection based on GPP can not only achieve great improvement in processing latency, but also meet the performance requirement.
机译:本文提出了一种基于通用处理器(GPP)的随机接入前导码检测的实现方法。已描述了英特尔®性能库和单指令多数据(SIMD)的详细优化。通过分析两种检测算法和优化方法的特点,证明了采用FFT / IFFT的检测算法更易于在GPP上采用。仿真表明,基于GPP的前同步码检测的实现不仅可以大大提高处理时延,而且可以满足性能要求。

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