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Capacity Estimation in Multiple-Chip-Rate DS/CDMA Systems Supporting Multimedia Services

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Abstract

This paper is concerned with capacity estimation in multiple-chip-rate (MCR)DS/CDMA systems supporting multimedia services with different informationrates and quality requirements. Considering both power spectral density (PSD)over a radio frequency (RF) band and the effect of RF input filtering onthe receiver, capacity that satisfies the requirementof the bit energy-to-interference PSD ratio is derived.The optimum value of the received power which causes the leastinterference for other users while maintaining an acceptablequality-of-service(QoS) requirement is also derived. The results show that system performanceisstrongly affected by a selected channel assignment strategy. Therefore, it is critical to efficiently assign radio resources in MCR-DS/CDMA systems that support high capacity and a low blocking rate.

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Authors and Affiliations

  1. Department of Electrical Engineering, Korea Advance Institute of Science and Technology, 373-1 Kusong-dong, Yusong-gu, Taejon, 305-701, Korea

    Young Woo Kim, Seung Joon Lee, Jeong Ho Kim & Young Hoon Kwon

  2. Department of Electrical Engineering, Korea Advance Institute of Science and Technology, 373-1 Kusong-dong, Yusong-gu, Taejon, 305-701, Korea E-mail

    Dan Keun Sung

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  1. Young Woo Kim
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  2. Seung Joon Lee
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  3. Jeong Ho Kim
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  4. Young Hoon Kwon
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  5. Dan Keun Sung
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Kim, Y.W., Lee, S.J., Kim, J.H. et al. Capacity Estimation in Multiple-Chip-Rate DS/CDMA Systems Supporting Multimedia Services. Wireless Personal Communications 14, 29–47 (2000). https://doi.org/10.1023/A:1008945927068

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