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Constrained power control in cellular radio systems
Wireless Inf. Network Lab., Rutgers University.
KTH, Superseded Departments, Teleinformatics.ORCID iD: 0000-0003-4986-6123
1994 (English)In: Vehicular Technology Conference, 1994, New York: IEEE , 1994, 824-828 p.Conference paper, Published paper (Refereed)
Abstract [en]

High system capacities can be achieved by controlling the transmitter power in multiuser radio systems. Power control with no constraint on the maximum power level has been studied extensively in earlier work. Transmitter power is at a premium in radio systems such as cellular systems and PCS. There is a limit on the maximum transmitter power especially at the terminals (e.g. mobile units and handsets) since the power comes from a battery. In this paper we study power control that maximizes the minimum carrier to interference ratio (CIR), with a constraint on the maximum power. The optimal power vector solution lies on the boundary of the constrained power vector set and achieves a balance in the CIR's. Results indicate that the constraints do not induce any stability problems. A distributed scheme with favourable convergence properties and close to optimum performance is presented. Simulation results show that the algorithm tries to maximize the number of terminals served with CIR greater than or equal to the target CIR, while conserving power.

Place, publisher, year, edition, pages
New York: IEEE , 1994. 824-828 p.
National Category
Computer and Information Science
Research subject
SRA - ICT
Identifiers
URN: urn:nbn:se:kth:diva-28633DOI: 10.1109/VETEC.1994.345205ISBN: 0-7803-1927-3 (print)OAI: oai:DiVA.org:kth-28633DiVA: diva2:388866
Conference
IEEE 44th Vehicular Technology Conference, Stockholm, Sweden, 08 jun 1994 - 10 jun 1994
Note
QC 20110120Available from: 2011-01-18 Created: 2011-01-18 Last updated: 2011-01-20Bibliographically approved

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Zander, Jens

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