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Power Allocation for a Simple Successive Interference Cancellation Scheme in a Multi-Rate DS-CDMA System
KTH, Superseded Departments, Signals, Sensors and Systems.
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0001-9697-9978
2002 (English)In: 2002 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-5, CONFERENCE PROCEEDINGS, New York: IEEE , 2002, 351-355 p.Conference paper (Refereed)
Abstract [en]

We investigate a multi-rate receiver utilizing soft feedback successive interference cancellation. To be able to meet the QoS requirements for each user, the multiuser detection is done in conjunction with power control. For this, we introduce a power control scheme that takes into account the respective QoS requirements and the impact of imperfect interference cancellation. We derive the minimum power solution, from which distributed iterative power control algorithms are suggested. It is found that the rate of convergence of the power control can be accelerated if the cancellation efficiency parameter can be directly incorporated into the power update. We also address the capacity resulting from this receiver in terms of the notion of effective bandwidth [1].

Place, publisher, year, edition, pages
New York: IEEE , 2002. 351-355 p.
National Category
Computer and Information Science
Research subject
URN: urn:nbn:se:kth:diva-28010DOI: 10.1109/ICC.2002.996874ISI: 000177818300070ISBN: 0-7803-7400-2OAI: diva2:383800
IEEE International Conference on Communications
QC 20110111Available from: 2011-01-05 Created: 2011-01-05 Last updated: 2011-11-29Bibliographically approved

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Berggren, FredrikBen Slimane, Slimane
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ReferencesLink to record
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