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Estimation of BT Interference in OFDM Sub Carriers with Training Signals

Roy, Minakshmi and Jamadagni, HS (2008) Estimation of BT Interference in OFDM Sub Carriers with Training Signals. In: 4th International Conference on Wireless and Mobile Communications, 2008. ICWMC '08, July 27 2008-Aug. 1 2008 , Athens.

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While wireless LAN (WLAN) is very popular now a days, its performance deteriorates in the presence of other signals like Bluetooth (BT) signal that operate in the same band as WLAN. Present interference mitigation techniques in WLAN due to BT cancel interference in WLAN sub carrier where BT has hopped but do not cancel interference in the adjacent sub carriers. In this paper BT interference signal in all the OFDM sub carriers is estimated. That is, leakage of BT in other sub carriers including the sub carriers in which it has hopped is also measured. BT signals are estimated using the training signals of OFDM system. Simulation results in AWGN noise show that proposed algorithm agrees closely with theoretical results.

Item Type: Conference Paper
Publisher: IEEE
Additional Information: Copyright 2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Department/Centre: Division of Electrical Sciences > Electronic Systems Engineering (Formerly Centre for Electronic Design & Technology)
Date Deposited: 13 Oct 2011 11:50
Last Modified: 13 Oct 2011 11:50
URI: http://eprints.iisc.ac.in/id/eprint/40657

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