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Robust Uplink Resource Allocation in CDMA Cellular Radio Systems
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- Geijer Lundin, Erik (author)
- Linköpings universitet,Reglerteknik,Tekniska högskolan
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- Gunnarsson, Fredrik (author)
- Linköpings universitet,Reglerteknik,Tekniska högskolan
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- Gustafsson, Fredrik (author)
- Linköpings universitet,Reglerteknik,Tekniska högskolan
- (creator_code:org_t)
- Linköping : Linköping University Electronic Press, 2005
- 2005
- English.
- Series: LiTH-ISY-R, 1400-3902 ; 2703
- In: Proceedings of the 44th IEEE Conference on Decision and Control and European Control Conference 2005. - Linköping : Linköping University Electronic Press. - 0780395670 ; , s. 1848-1853
- Conference paper (peer-reviewed)
Abstract
Subject headings
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- Radio resource management (RRM) in cellular radio system is an example of automatic control. The system performance may be increased by introducing decentralization, shorter delays and increased adaptation to local demands. However, it is hard to guarantee system stability without being, too conservative while using decentralized resource management. In this paper, two algorithms that both guarantee system stability and use local resource control are proposed for the uplink (mobile to base station). While one of the algorithms uses only local decisions, the other uses a central node to coordinate resources among different local nodes. In the chosen design approach, a feasible solution to the optimization problems corresponds to a stable system. Therefore, the algorithms will never assign resources that lead to an unstable system. Simulations indicate that the proposed algorithms also provide high capacity at any given uplink load level.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Reglerteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Control Engineering (hsv//eng)
Keyword
- Optimization
- Communication
- Robust
- TECHNOLOGY
- TEKNIKVETENSKAP
- Automatic control
Publication and Content Type
- ref (subject category)
- kon (subject category)
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