Integrated power control and base station assignment

In cellular wireless communication systems, transmitted power is regulated to provide each user an acceptable connection while limiting the interference seen by other users. Previous work has focused on maximizing the minimum carrier to interference ratio (CIR) or attaining a common CIR over all rad...

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Veröffentlicht in:IEEE transactions on vehicular technology Jg. 44; H. 3; S. 638 - 644
Hauptverfasser: Yates, R.D., Ching-Yao Huang
Format: Journal Article
Sprache:Englisch
Veröffentlicht: New York, NY IEEE 01.08.1995
Institute of Electrical and Electronics Engineers
Schlagworte:
Applied sciences
Base stations
Distributed algorithms
Equipments and installations
Exact sciences and technology
Interference
Iterative algorithms
Mobile radiocommunication systems
Multiaccess communication
Power control
Radio link
Radio transmitters
Radiocommunications
Signal design
Telecommunications
Telecommunications and information theory
Wireless communication
Mobile radiocommunication
Algorithms
Power control
Earth terminal
Resource allocation
Routing
Performance
ISSN:0018-9545
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Zusammenfassung:In cellular wireless communication systems, transmitted power is regulated to provide each user an acceptable connection while limiting the interference seen by other users. Previous work has focused on maximizing the minimum carrier to interference ratio (CIR) or attaining a common CIR over all radio links. However, previous work has assumed the assignment of mobiles to base stations is known and fixed. In this work, we integrate power control and base station assignment. In the context of a CDMA system, we consider the minimization of the total transmitted uplink power subject to maintaining an individual target CIR for each mobile. This minimization occurs over the set of power vectors and base station assignments. We show that this problem has special structure and identify synchronous and asynchronous distributed algorithms that find the optimal power vector and base station assignment.< >
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ISSN:0018-9545
DOI:10.1109/25.406632