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Research Paper | Electronics & Communication Engineering | India | Volume 6 Issue 5, May 2017 | Popularity: 6.7 / 10

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A New Pilot Sequence Insertion Method for Channel Estimation Based on STBC MIMO OFDM System

Neenu Sharma, Sanjay Bhardwaj

Abstract: In this paper, a pilot based channel estimation for multiple input multiple output (MIMO) with orthogonal frequency division multiplexing (OFDM) with space time block coding is studied. The MIMO-OFDM system is used to boost the high data rates and reduces the inter carrier interferences (ICI). The amalgam of multiple input multiple output (MIMO) with orthogonal frequency division multiplexing (OFDM) provides admirable data rate in wireless channel. In multiple input multiple output system and orthogonal frequency division multiplexing (MIMO-OFDM) system, the channel state information is very acceptable. So channel state information sometime caviling the capability of the system and the correct signal cannot receive properly at the receiver side. So the training sequences are sending along with the data to achieve the good and efficient data at the receiver side. There are various method to insert the pilot with the data. The training pilot symbols are sending along with the data symbols at the time interval. In order to reduce the training cycle, there is iterative method used to insert the pilot symbols. The given method shows that the mean square method and bit error rate is reduced and it gives better MSE and BER.

Keywords: STBC, BER, MSE, SNR

Edition: Volume 6 Issue 5, May 2017

Pages: 1906 - 1909

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