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  • 1.Cnf-70
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2006200820102012
MCWC Conferences with Published Papers

MIC-MCWC 2006@GC-MCWC 2006
17-20 September 2006, Amman
1 Paper
Papers Published at MIC-MCWC 2006
All 1 Paper
IDAuthors and TitlePages
1.Cnf-3

GS Citations

Dr. Maurizio Bocca
Mr. Cristian Galperti
Dr. Reino Virrankoski
Prof. Heikki Koivo
Estimating the number of persons in an unknown indoor environment by applying wireless acoustic sensors and blind signal separation
13-18
1.Cnf-70 Paper View Page
Title A Novel Blind Delay Spread Estimation Using Frequency Correlation for Wireless OFDM Systems
Authors Dr. Athanasios Doukas, University of Patras, Patras, Greece
Dr. Grigorios Kalivas, University of Patras, Patras, Greece
Abstract In this paper we propose a novel blind Delay Spread (DS) estimator for wireless Orthogonal Frequency Division Multiplexed (OFDM) systems. DS gives a measure of the frequency selectivity of the wireless channel, which can be used for channel estimation and to adjust the guard interval size to avoid Inter-Symbol Interference. The estimator is based on the frequency correlation between subcarriers of one OFDM symbol and an expression between frequency correlation and DS is derived assuming an exponentially decaying power delay profile (PDP). To derive the frequency correlation values we use frequency separation values different to zero, which to the best of authors’ knowledge is the first time that is introduced. The estimation accuracy, examined in environments with different PDPs, including transceiver mobility and channel sparsity, using several constellation schemes is very high from low SNR values with small variance.
Track WCS: Wireless Communication Systems
Conference 1st Mosharaka International Conference on Mobile Computing and Wireless Communications (MIC-MCWC 2006)
Congress 2006 Global Congress on Mobile Computing and Wireless Communications (GC-MCWC 2006), 17-20 September 2006, Amman, Jordan
Pages --1
Topics 3G Systems and Beyond
Channel Estimation
Multicarrier Communication Systems
ISSN 2227-331X
Paper Views 858 Paper Views Rank 32/527
Paper Downloads 453 Paper Downloads Rank 11/527
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All 1 Paper
IDAuthors and TitlePages
1.Cnf-3

GS Citations

Dr. Maurizio Bocca
Mr. Cristian Galperti
Dr. Reino Virrankoski
Prof. Heikki Koivo
Estimating the number of persons in an unknown indoor environment by applying wireless acoustic sensors and blind signal separation
13-18
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GC-MCWC 2006 Visits: 5934||MIC-MCWC 2006 Visits: 4781||WCS Track Visits: 1663