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Evaluation of Reverse-Link Capacity of a DS-CDMA System with Power Control and Diversity Reception
Dugin LYU Hirohito SUDA Fumiyuki ADACHI
IEICE TRANSACTIONS on Communications
Publication Date: 2001/02/01
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Terrestrial Radio Communications
power control, diversity reception, outage probability, link capacity, DS-CDMA cellular system,
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The reverse-link of the DS-CDMA cellular system requires transmit power control (TPC) and diversity reception. This paper develops the expression of the received signal-to-interference ratio (SIR), and evaluates the outage probability using the Monte Carlo simulation to obtain the link capacity. The link capacities with received signal strength (SS)-based TPC and SIR-based TPC are compared. This paper investigates the required maximum and minimum transmit powers and the capacity gain of the SIR-based TPC over SS-based TPC as well as the effect of the diversity reception on the link capacity and transmit power. The reverse-link capacity is compared with the forward-link capacity to check the balance of capacities between both links.