Power control in wireless communications networks [Elektronisk resurs] from a Control Theory Perspective / Fredrik Gunnarsson, Fredrik Gustafsson.
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Gunnarsson, Fredrik, 1971- (författare)
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Gustafsson, Fredrik, 1964- (författare)
- Publicerad: Linköping : Linköping University Electronic Press, 2002
- Engelska 14 s.
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Serie: LiTH-ISY-R, 1400-3902 ; 2413
- Relaterad länk:
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http://urn.kb.se/res... (Sammanfattning och fulltext från Linköping University Electronic Press)
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- The global communications systems critically relyon control algorithms of various kinds. In wireless communications systems, power control algorithms play an important role for efficient resource utilization. This survey article discusses relevant aspects of power control with emphasis on practical issues, using an automatic control framework. Generally, power control of each connection is distributedly implemented as cascade control, with an inner loop to compensate for fast variations and an outerloop focusing on longer term statistics. These control loops are interrelated via complex connections, which affect important issues such as capacity, load and stability. Therefore, both local and global properties are important. The concepts and algorithms are illustrated by simple examples and simulations.
Indexterm och SAB-rubrik
- Power control
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