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Joint power and rate control for delay tolerant traffic in a wireless system
Ericsson Research, Isafjordsgatan 14E, 164 93 Kista, Sweden.
2007 (English)In: 2007 IEEE 65TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-6, IEEE , 2007, 2822-2826 p.Conference paper (Refereed)
Abstract [en]

A power and rate control scheme especially crafted for delay tolerant traffic under interfering link conditions is presented in this paper. Specifically, an iterative distributed algorithm, based on a sum-power constrained sum-rate maximization with upper (and lower) power and rate constraints, is developed. The feasibility and performance of the algorithm is demonstrated by simulation in a cellular system, where it is applied both for SISO and MIMO links. Simulations show significant improvement of the sum-rate vs. sum-power relation compared to both HSDPA-like "fixed power adaptive rate" and GSM-like "fixed rate adaptive power" radio resource management. Also, the method offers automatic re-use handling by silencing sub-optimal links. In a MIMO scenario, the sum-rate scales near linearly with the number of antenna elements.

Place, publisher, year, edition, pages
IEEE , 2007. 2822-2826 p.
, IEEE VTS Vehicular Technology Conference Proceedings, ISSN 1550-2252
Keyword [en]
power control, rate control, radio resource management, optimization
National Category
Communication Systems
URN: urn:nbn:se:kth:diva-67331DOI: 10.1109/VETECS.2007.579ISI: 000252237601251ISBN: 978-1-4244-0265-6OAI: diva2:484852
65th IEEE Vehicular Technology Conference APR 22-25, 2007 Dublin, IRELAND
QC 20120220Available from: 2012-01-27 Created: 2012-01-27 Last updated: 2012-02-20Bibliographically approved

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