UGC Approved Journal no 63975(19)

ISSN: 2349-5162 | ESTD Year : 2014
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Published in:

Volume 2 Issue 4
April-2015
eISSN: 2349-5162

UGC and ISSN approved 7.95 impact factor UGC Approved Journal no 63975

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Published Paper ID:
JETIR1504067


Registration ID:
150334

Page Number

1202-1209

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Title

PILOT BASED CHANNEL ESTIMATION IN OFDM USING TIME DOMAIN TECHNIQUE

Abstract

In wireless communication orthogonal frequency division multiplexing (OFDM) is a special case of multicarrier transmission, where a single data stream is transmitted over a number of lower rate subcarriers. This new standard is the first one to use OFDM in packet-based communications, while the use of OFDM until now was limited to continuous transmission systems .Channel estimation is very important in order to get original information at receiver side. In paper the BER is calculated using Rayleigh fading channel using AWGN noise. It is going to be compared the BER by channel estimation methods like LS (Least square), DFT (Discrete Fourier Transform) for DFT-OFDM and DCT-OFDM. And it would be concluded that DFT based channel estimation is better than LS in both DFT-OFDM and DCT_OFDM. And also concluded that DCT-OFDM is better than DFT-OFDM for low range of SNR.

Key Words

DFT-OFDM, DCT-OFDM, pilot, channel estimation, LS, DFT.

Cite This Article

"PILOT BASED CHANNEL ESTIMATION IN OFDM USING TIME DOMAIN TECHNIQUE", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.2, Issue 4, page no.1202-1209, April-2015, Available :http://www.jetir.org/papers/JETIR1504067.pdf

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2349-5162 | Impact Factor 7.95 Calculate by Google Scholar

An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 7.95 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator

Cite This Article

"PILOT BASED CHANNEL ESTIMATION IN OFDM USING TIME DOMAIN TECHNIQUE", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.2, Issue 4, page no. pp1202-1209, April-2015, Available at : http://www.jetir.org/papers/JETIR1504067.pdf

Publication Details

Published Paper ID: JETIR1504067
Registration ID: 150334
Published In: Volume 2 | Issue 4 | Year April-2015
DOI (Digital Object Identifier):
Page No: 1202-1209
Country: GANDHINAGAR, GUJARAT, INDIA .
Area: Engineering
ISSN Number: 2349-5162
Publisher: IJ Publication


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