ZTE

ZTE Communications ›› 2009, Vol. 7 ›› Issue (1): 54-58.

• Development Field • Previous Articles     Next Articles

Parallel Processing Design for LTE PUSCH Demodulation and Decoding Based on Multi-Core Processor

Zhang Ziran, Li Jun, Li Changxiao   

  1. ZTE Corporation , Shenzhen 518057 , P. R . China
  • Online:2009-03-25 Published:2020-03-03
  • About author:Zhang Ziran graduated from University of Electronic Science and Technology of China. He is now a senior engineer in ZTE Corporation, mainly engaged in research of frontier technologies of such wireless communication systems as UMTS and LTE. He has published 5 papers and applied for 2 patents.

    Li Jun graduated from Huazhong University of Science and Technology. He is now a senior engineer in ZTE Corporation, mainly engaged in research of frontier technologies of such wireless communication systems as UMTS and LTE.

    Li Changxiao graduated from University of Electronic Science and Technology of China. He is now an engineer in ZTE Corporation, mainly engaged in research of frontier technologies of such wireless communication systems as UMTS and LTE.

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Abstract: The Long Term Evolution (LTE ) system imposes high requirements for dispatching delay. Moreover, very large air interface rate of LTE requires good processing capability for the devices processing the baseband signals. Consequently, the single-core processor cannot meet the requirements of LTE system. This paper analyzes how to use multi-core processors to achieve parallel processing of uplink demodulation and decoding in LTE systems and designs an approach to parallel processing. The test results prove that this approach works quite well.