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Interference and Queuing Delay Based Uplink Packet Access Control in Wideband Code-Division Multiple-Access Systems

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Abstract

In this letter, we propose a packet access control algorithm for non-real-time, interactive packet services via dedicated channels in the uplink of wideband code-division multiple-access (WCDMA) systems. We first derive an analytical expression of packet throughput as a function of packet queuing delay and the required signal-to-interference-plus-noise-density ratio. Based on such a relationship, we then propose a packet access control algorithm that not only maximizes the packet throughput per cell, but also provides quality of service (QoS) assurance. Practical aspects of a CDMA system such as the effects of power control inaccuracy and other cell interference are considered in the analysis.

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Liu, H. Interference and Queuing Delay Based Uplink Packet Access Control in Wideband Code-Division Multiple-Access Systems. International Journal of Wireless Information Networks 10, 141–147 (2003). https://doi.org/10.1023/B:IJWI.0000007995.41492.64

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