Study of Spectral Efficiency in Massive MIMO

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ISSN: 2349-6002 ESTD Year: 2014

UGC approved journal no 47859

Study of Spectral Efficiency in Massive MIMO
Author(s):
Dr.Ch.Vijay, Srikanth Karingana, VVS Varshitha Kuncha, Divya Mamidi, Deva Namala
Keywords:
OFDM,MIMO-OFDM,SE,Zero Forcing,Pilot Zero Forcing,Maximum Ratio,SINR.
Abstract
Massive MIMO is a promising technique to increase the spectral efficiency (SE) of cellular networks, by deploying antenna arrays with hundreds or thousands of active elements at the base stations and performing coherent transceiver processing. A common rule-of-thumb is that these systems should have an order of magnitude more antennas, M, than scheduled users, K, because the users’ channels are likely to be near-orthogonal when M/K > 10. Monte Carlo estimation technique is used to estimate the possible outcomes. P-ZF, ZF, MR are the conventional linear processing schemes used. Spectral efficiency and number of base station antennas are considered for the study of performance of Massive MIMO systems. From the study it is observed that pilot zero forcing gives better performance when compared to other techniques.
Article Details
Unique Paper ID: 155342 Publication Volume & Issue: Volume 9, Issue 1 Page(s): 683 - 687
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