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Performance Analysis of Different Transmission Methods for Broadcast Channels in MU-MIMO
S M Shamsul Alam, Sharif Minhazul Abeden
Abstract: Multi-user MIMO system is affected by Multiple Access Interference (MAI) caused by the simultaneous transmission of multiple users which limits capacity and performance of CDMA system. Since the data recovery at the receiver side is not straight-forward, these interferences cause error bit while reconstructing the signal. So, different transmission methods are adopted to cancel out these interferences where the signals are precoded before transmission. Channel inversion, Dirty paper coding and Tomlinson Harashima Precoding are some of these methods which cancel outs the effects of Inter-symbol interference by means of Channel state information feedback. This paper discusses about these transmission methods for broadcast channels in multi-user MIMO. First we discuss the mathematical model of Multi-user MIMO system. Then we analyse the performance of different transmission methods for broadcast channels in terms of bit error rate (BER). Finally, we make a comparison among these methods by their performance.
Keywords: Multi user MIMO, Channel inversion, Dirty Paper coding, Tomlinson Harashima Precoding, Bit Error Rate (BER), Inter-symbol Interference (ISI), Decision Feedback Equalization (DFE)
Country: Bangladesh, Subject Area: Computers & Electrical Engineering
Pages: 131 - 136
Edition: Volume 8 Issue 6, June 2019
How to Cite this Article?
S M Shamsul Alam, Sharif Minhazul Abeden, "Performance Analysis of Different Transmission Methods for Broadcast Channels in MU-MIMO", International Journal of Science and Research (IJSR), https://www.ijsr.net/archive/v8i6/show_abstract.php?id=ART20198388, Volume 8 Issue 6, June 2019, 131 - 136
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