BER Analysis of Hybrid Precoded Massive MIMO Systems in Downlink with Receiver Beamforming over mmwave Channels
Khushal Thakur1, Bhasker Gupta2, Balwinder Singh Sohi3

1Khushal Thakur, Department of ECE, Chandigarh University, Gharuan (Punjab),  India.

2Bhasker Gupta, Department of  ECE, Chandigarh University, Gharuan (Punjab),  India.

3Balwinder Singh Sohi, Department of  ECE, Chandigarh University, Gharuan (Punjab),  India.

Manuscript received on 05 August 2019 | Revised Manuscript received on 12 August 2019 | Manuscript Published on 26 August 2019 | PP: 561-566 | Volume-8 Issue-9S August 2019 | Retrieval Number: I10880789S19/19©BEIESP | DOI: 10.35940/ijitee.I1088.0789S19

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Abstract: Next generation networks are required to deliver extremely high data rates in order to enable mission critical services, massive IoT and enhanced mobile broadband. In the pursuit of high data rates, significant research is focused on higher frequency bands. mmWaves are the most promising carriers because of their associated bandwidth benefits. However, on the other hand, mmWaves also bring along difficulties in link management as the channel is totally different from the traditional systems. This paper evaluates the BER performance of mmWave-massive MIMO systems with Hybrid precoding and receiver beamforming. The availability of perfect CSI at both the transmitting and receiving ends of the downlink is assumed. The results demonstrate that BER performance at low SNR region remains almost exclusive of the system dimensions as long as CSI is available. It was observed that almost 20 dB SNR is required to achieve error performance of 10-5 . Zero forcing and Wiener Filter precoder are also evaluated against each other with analog precoding and receiver beamforming.

Keywords: Mmwave, Massive MIMO, BER, Perfect CSI, Hybrid Precoding.
Scope of the Article: Communication