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Interference Cancellation for Adaptive Multi-Mode Terminals

Interference Cancellation for Adaptive Multi-Mode Terminals
Interference Cancellation for Adaptive Multi-Mode Terminals
Adaptive modulation can achieve channel capacity gains by adapting the number of bits per transmission symbol on a burst-by-burst basis, in harmony with channel quality fluctuations. This is demonstrated in Figures 6 and 7 for target bit error rates of 1 and 0.01%, respectively, in comparison to conventional fixed modems. However, the achievable gains depend strongly on the prevalent interference levels and hence interference cancellation is invoked on the basis of adjusting the demodulation decision boundaries after estimating the interfering channels's magnitude and phase. Using the modem-mode switching levels of Table 2 and with the aid of interference cancellation, target BERs of 1 and 0.01% can be maintained over slow fading channels for a wide range of channel Signal-to-noise ratios (SNR) and Signal-to-interference ratio (SIR), as seen in Figures 4 and 5, respectively.
1871-1875
Torrance, J.M.
45450484-6109-4120-ab06-9715ea9fb005
Hanzo, L.
66e7266f-3066-4fc0-8391-e000acce71a1
Keller, T.
41cd2bbf-bf82-4aac-83e9-d585f67f9742
Torrance, J.M.
45450484-6109-4120-ab06-9715ea9fb005
Hanzo, L.
66e7266f-3066-4fc0-8391-e000acce71a1
Keller, T.
41cd2bbf-bf82-4aac-83e9-d585f67f9742

Torrance, J.M., Hanzo, L. and Keller, T. (1998) Interference Cancellation for Adaptive Multi-Mode Terminals. Globecom'98, Sydney, Australia. 08 - 12 Nov 1998. pp. 1871-1875 .

Record type: Conference or Workshop Item (Paper)

Abstract

Adaptive modulation can achieve channel capacity gains by adapting the number of bits per transmission symbol on a burst-by-burst basis, in harmony with channel quality fluctuations. This is demonstrated in Figures 6 and 7 for target bit error rates of 1 and 0.01%, respectively, in comparison to conventional fixed modems. However, the achievable gains depend strongly on the prevalent interference levels and hence interference cancellation is invoked on the basis of adjusting the demodulation decision boundaries after estimating the interfering channels's magnitude and phase. Using the modem-mode switching levels of Table 2 and with the aid of interference cancellation, target BERs of 1 and 0.01% can be maintained over slow fading channels for a wide range of channel Signal-to-noise ratios (SNR) and Signal-to-interference ratio (SIR), as seen in Figures 4 and 5, respectively.

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More information

Published date: November 1998
Additional Information: Event Dates: 8-12 November 1998 Address: Sydney, Australia
Venue - Dates: Globecom'98, Sydney, Australia, 1998-11-08 - 1998-11-12
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 257069
URI: http://eprints.soton.ac.uk/id/eprint/257069
PURE UUID: d1452131-9a0e-4afa-94d3-6a9cdf79bc2a
ORCID for L. Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

Catalogue record

Date deposited: 04 Mar 2004
Last modified: 18 Mar 2024 02:33

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Contributors

Author: J.M. Torrance
Author: L. Hanzo ORCID iD
Author: T. Keller

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