Title :
GPP-based random access preamble detection in TD-LTE
Author :
Yang Fangliao ; He Zhiqiang ; Wang Xinglin ; Huang Jinri
Author_Institution :
Key Lab. of Universal Wireless Commun., Beijing Univ. of Posts & Telecommun., Beijing, China
Abstract :
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.
Keywords :
microprocessor chips; optimisation; parallel processing; GPP-based random access preamble detection; Intel SIMD; Intel performance libraries; TD-LTE; general purpose processor; optimization methods; single instruction multiple data; Computer architecture; Correlation; Detection algorithms; Frequency domain analysis; Optimization methods; Signal processing; GPP; IPP; LTE; PRACH; Preamble Detection; SIMD;
Conference_Titel :
Communications and Networking in China (CHINACOM), 2012 7th International ICST Conference on
Conference_Location :
Kun Ming
Print_ISBN :
978-1-4673-2698-8
Electronic_ISBN :
978-1-4673-2697-1
DOI :
10.1109/ChinaCom.2012.6417594
