著者
CHOI Wan KIM Jin Young
出版者
一般社団法人電子情報通信学会
雑誌
IEICE transactions on fundamentals of electronics, communications and computer sciences (ISSN:09168508)
巻号頁・発行日
vol.84, no.6, pp.1406-1412, 2001-06-01
被引用文献数
4

In future mobile communication systems, forward link may be a limiting one because emerging data services are likely to require higher data rates in the forward link than in the reverse link. In this paper, we derive joint Erlang capacity of a DS/CDMA forward link in terms of both outage probability and blocking probability for each type of traffic in a mixed traffic environment. Resource sharing algorithm and generalized Erlang model are employed to derive joint Erlang capacity of the DS/CDMA system with various types of traffics. The joint Erlang capacity reflecting both outage probability and blocking probability of each type of traffic is obtained by an approach based on virtual circuit switching perspective. We take into account effect of closed loop power control in the analysis. From numerical results, it is confirmed that blocking probability as a QoS(quality of service)parameter has a significant impact on the forward link capacity. The results of this paper can be applied to design of the DS/CDMA systems supporting wireless multimedia traffics.

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こんな論文どうですか? Joint Erlang Capacity of DS/CDMA Forward Link Based on Resource Sharin, http://ci.nii.ac.jp/naid/110003208950

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