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Research Article

JCR. 2020; 7(15): 4859-4866


S N Chandra Shekhar, Dr. Avinash Gour, Dr.S.P.V Subbarao.

MIMO-OFDM (Multiple Input Multiple Output Orthogonal Frequency Division Multiplexing)
system has been perceived as one of the most mainstream and competitive technique in a remote domain these
days. With the fast improvement in remote correspondence systems, the systems are relied upon to give high
information rates to excellent interactive media transmission. For high information rate accomplishment one
must improve the limit of the media transmission. The limit of a correspondence system can be upgraded by
utilizing MIMO and OFDM system. MIMO OFDM is generally utilized for correspondence system because of
its high transmission rate and power against multipath blurring while transmission. OFDM might be joined with
radio wire exhibits at the transmitter and collector to expand bandwidth productivity and strength utilizing
multipath signal propagation, bringing about a MIMO-OFDM arrangement. This paper survey on various
channel limit upgrade techniques utilized in MIMO OFDM system are Singular Value Decomposition, Forward
Error Correction, Water Filling Algorithm, Optimal Training Sequence, Least Square Method and Recursive
Least Mean Square.

Key words: MIMO (Multiple Input and Multiple Output), OFDM (Orthogonal Frequency Division Multiplexing), Enhancement, Water Filling Algorithm, ISI (Inter Symbol Interference), channel capacity.

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