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Blind Equalisation and Carrier Offset Compensation for Bluetooth Signals

Blind Equalisation and Carrier Offset Compensation for Bluetooth Signals
Blind Equalisation and Carrier Offset Compensation for Bluetooth Signals
Bluetooth systems operating in medium to large sized rooms can suffer multipath distortion, which may be compounded by presence of frequency offsets permitted by the Bluetooth standard. Frequency errors can undermine common training based equalisation techniques. This paper establishes the effect of severe multipath indoor propagation and frequency errors on Bluetooth reception, and demonstrates the effectiveness of the constant modulus algorithm in performing channel equalisation when a frequency offset exists. A novel stochastic gradient based algorithm for frequency correction is also introduced and assessed.
CMA, Equalisation, Bluetooth, Carrier Frequency Offset
3-200-00165-8
909-912
Tibenderana, C
0aab6572-9b72-4324-8f81-c392470930a5
Weiss, S
a1716781-351d-41d2-8d67-3e3d34f16476
Tibenderana, C
0aab6572-9b72-4324-8f81-c392470930a5
Weiss, S
a1716781-351d-41d2-8d67-3e3d34f16476

Tibenderana, C and Weiss, S (2004) Blind Equalisation and Carrier Offset Compensation for Bluetooth Signals. 12th European Signal Processing Conference, Vienna, Austria. 06 - 09 Sep 2004. pp. 909-912 .

Record type: Conference or Workshop Item (Paper)

Abstract

Bluetooth systems operating in medium to large sized rooms can suffer multipath distortion, which may be compounded by presence of frequency offsets permitted by the Bluetooth standard. Frequency errors can undermine common training based equalisation techniques. This paper establishes the effect of severe multipath indoor propagation and frequency errors on Bluetooth reception, and demonstrates the effectiveness of the constant modulus algorithm in performing channel equalisation when a frequency offset exists. A novel stochastic gradient based algorithm for frequency correction is also introduced and assessed.

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More information

Published date: 2004
Additional Information: Event Dates: September 7-10
Venue - Dates: 12th European Signal Processing Conference, Vienna, Austria, 2004-09-06 - 2004-09-09
Keywords: CMA, Equalisation, Bluetooth, Carrier Frequency Offset
Organisations: Electronics & Computer Science

Identifiers

Local EPrints ID: 259935
URI: http://eprints.soton.ac.uk/id/eprint/259935
ISBN: 3-200-00165-8
PURE UUID: cb08fe79-2c17-496b-9cc4-fe79d9d2edb8

Catalogue record

Date deposited: 13 Sep 2004
Last modified: 23 Sep 2020 16:34

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Contributors

Author: C Tibenderana
Author: S Weiss

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