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Performance of Distributed Dynamic Channel Assignment in Cellular Systems
Duk-Kyu PARK Kazunori OKADA
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/07/25
Print ISSN: 0916-8508
Type of Manuscript: Special Section PAPER (Special Section on Mobile Information Network)
distributed dynamic channel assignment, transmitter power control, system capacity, innercell performance,
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We compared--for the same propagation conditions and parameters--the performances of distributed dynamic channel assignment (DDCA) strategies and the performance of fixed channel assignment (FCA). This comparison quantitatively showed the effects of DDCA strategies in increasing spectrum efficiency. It also showed that using DDCA with transmitter power control (TPC) increases the system capacity to 3 4 times what it is with FCA and to 1.4 1.8 times what it is when using DDCA without TPC. We also evaluated the blocking rate and the interference probability for the inside of a cell and found that these are generally much higher close to the cell border than they are near the base station.