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Design issues in a CDMA cellular system with heterogeneous traffic types

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2 Author(s)
Jialin Zou ; NEC America Inc., Irving, TX, USA ; V. K. Bhargava

In this paper, the performance of a code-division multiple-access (CDMA) cellular system with various traffic types is examined. Traffic integration and resource management are two major issues in the design of the next generation of wireless networks with integrated services. To provide design guidelines for traffic integration, the impact of the line rate (actual transmission bit rate in the radio channel) selection on the system capacity is examined. Since in a CDMA system the signal from one specific user is spread over the entire available bandwidth, the actual bandwidth resource occupied by a user depends on the amount of the transmission power of the user. In this paper, we also address how to assign suitable power levels to the different traffic types. A method for optimizing the power assignment for multiple traffic types is developed

Published in:

IEEE Transactions on Vehicular Technology  (Volume:47 ,  Issue: 3 )