Abstract
Transmitter power control is one of the methods used to enhance the efficiency of cellular mobile radio systems. Previous work [1] has shown that power control achieves most of its gain by adjusting the power on the radio links to adapt to the interfering environment, which is highly dependent on shadow fading. Hence this paper seeks to ascertain the performance of a cellular radio system (with and without power control) in a detailed shadow fading environment, using both derived predictions and simulation. By viewing power control as a feedback control system the operation of both level feedback and a quality feedback algorithms are investigated. It is shown that level feedback provides insufficient information to allow the transmitter to fully adapt to the interfering environment. On the other hand, quality feedback seems to adapt to the interference in a similar manner to certain DCA schemes giving good performance results.
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References
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© 1994 Springer-Verlag Berlin Heidelberg
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Saunders, R., Lopes, L. (1994). Performance of cellular radio systems with power control in varying shadow fading environments. In: Günther, C.G. (eds) Mobile Communications Advanced Systems and Components. IZS 1994. Lecture Notes in Computer Science, vol 783. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-57856-0_35
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DOI: https://doi.org/10.1007/3-540-57856-0_35
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