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Comparative Studies | Electronics & Communication Engineering | Sudan | Volume 5 Issue 6, June 2016 | Popularity: 6.6 / 10

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Investigation of LTE Receivers in Term of Channel Equalization Techniques in LTE Downlink

Ibrahim A. Alfatah Ibrahim, Hala E I Jubara

Abstract: In this paper we will introduce a comprehensive study based on LTE techniques that are used in order to eliminate or reduce different types of interferences that happens in the wireless communication channel and affect the received signal at receivers which associated with channel equalization techniques by comparing between three different techniques which are the Zero Forcing ZF, the Minimum Mean Square Error MMSE and the Soft Sphere Decoding SSD. Also different types of modulations are considered such as QPSK, 16QAM, and 64QAM. The comparison is performed for different transmission modes such as SISO, SIMO, and MIMO. And the results show that for SISO and MIMO the MMSE has the advantage over the ZF equalizer, and in SIMO the ZF is performing better than the MMSE, and finally for the MIMO we figure that the SSD equalizer has advantage over both other equalizers.

Keywords: LTE, Downlink, Equalization, ZF, MMSE, SSD, SISO, SIMO, MIMO

Edition: Volume 5 Issue 6, June 2016

Pages: 106 - 111

DOI: https://www.doi.org/10.21275/NOV164074

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