A Joint Power Allocation and Scheduling Algorithm for CDMA-based High-rate Packet Data Systems

Koo In-Soo; Kim Ki-Seon

A Joint Power Allocation and Scheduling Algorithm for CDMA-based High-rate Packet Data Systems

Koo In-Soo, Kim Ki-Seon, Journal of Internet Computing and Services, Vol. 7, No. 3, pp. 41-52, Jun. 2006
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Keywords: power allocation, Scheduling Algorithm, High-rate packet data systems

Abstract

In the case of CDMA-based packet data systems such as 1xEV-DO which are designed to support high rate services, BSs transmit data packets with a maximum power based on time multiplexing mode such that only one user can be serviced at a time. In this paper, we propose a joint power allocation and scheduling algorithm for 1xEV-DO-like systems in which we adopt a code division multiplexing (CDM) transmission method in the downlink common channel in order to utilize channel orthogonality such that we can serve more than one user at a time slot especially when there exist remaining resources after serving the firstly selected user by the scheduler. Simulation results demonstrate that the proposed scheme can improve the performances of conventional schemes such as the maximum rate and the proportional fair algorithms.

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Cite this article

[APA Style]

In-Soo, K. & Ki-Seon, K. (2006). A Joint Power Allocation and Scheduling Algorithm for CDMA-based High-rate Packet Data Systems. Journal of Internet Computing and Services, 7(3), 41-52.

[IEEE Style]

K. In-Soo and K. Ki-Seon, "A Joint Power Allocation and Scheduling Algorithm for CDMA-based High-rate Packet Data Systems," Journal of Internet Computing and Services, vol. 7, no. 3, pp. 41-52, 2006.

[ACM Style]

Koo In-Soo and Kim Ki-Seon. 2006. A Joint Power Allocation and Scheduling Algorithm for CDMA-based High-rate Packet Data Systems. Journal of Internet Computing and Services, 7, 3, (2006), 41-52.