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IJSTR >> Volume 8 - Issue 9, September 2019 Edition



International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616



Review on Adaptive Blind Channel Estimation using LMS Based Techniques in OFDM Systems

[Full Text]

 

AUTHOR(S)

Rajeshbabu Chitikena, P.Esther Rani

 

KEYWORDS

Channel estimation, wireless communication system, orthogonal frequency division multiplexing, multiple input multiple output.

 

ABSTRACT

In communication systems, Multiple Input Multiple Output (MIMO) channel is introduced for achieving good bit rate and high data speed. Usually, the communication systems attain good quality of services, high transmission rates and minimum probability of error, while Orthogonal Frequency Division Multiplexing (OFDM) is combined with MIMO. In MIMO-OFDM, channel estimation shows great importance, which is utilized for estimating the transmitted signal utilizing receiver signal. In MIMO-OFDM, channel capacity is also increased due to channel estimation. In addition, accurate retrieval of channel state information is a challenging process in MIMO-OFDM system. Generally, the channel state information is retrieved utilizing channel estimation, when all the channels between the transmit antenna are accurately known. In this paper, we describe about the basic information of MIMO-OFDM system and also reviews the dissimilar channel estimation techniques used in MIMO-OFDM system with various system parameters.

 

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