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Evaluation of Cell Coverage and System Throughput in Multihop DS-CDMA Cellular Network
Atsushi FUJIWARA Shinji TAKEDA Hitoshi YOSHINO Narumi UMEDA
IEICE TRANSACTIONS on Communications
Publication Date: 2005/09/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Advances in Ad Hoc Mobile Communications and Networking)
cellular system, DS-CDMA, multihop, interference margin, system capacity, area coverage,
Full Text: PDF(325.9KB)>>
A multihop connection scheme, where one or more mobile terminals relay transmission signals using the same access scheme between an end user terminal and its destination base station, is a promising approach to overcome reduction in cell size caused by high bit-rate data transmission. In a general radio communication system, the coverage area and system throughput are closely interrelated. In this paper, the performance of a multihop cellular network employing a CDMA access scheme, which is a promising candidate for beyond the third generation, is studied in terms of the coverage area and system throughput by conducting a link level simulation. The results show that a multihop connection expands the coverage area, especially in the case of light traffic, and also has an advantage in system throughput.