Abstract
Focusing on enriched multimedia broadcast/multicast opportunities of a wireless communication network, we build multicast cell configurations in a CDMA based network. In a CDMA based wireless network, a terminal can get significant signal quality enhancement by the combining of data streams from multiple base stations. To combine the data streams, the base stations have to be operated with a common time schedule. The cells whose base stations are operated as such are called soft-combine cells. A terminal can take advantage of signal quality enhancement, if the terminal is in a soft-combine cell and at least one neighbor cell supports soft-combine. Our problem is to find a limited number of soft-combine cells under the computing burden of the network controller, while the benefit of soft-combine is maximized. We build a combinatorial optimization model and solution methods for the dynamic reconfigurations of soft-combine supporting cells.
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Kim, JH., Yeo, WY. On-Demanded Multicast Zone Configuration in CDMA Network Systems. Wireless Pers Commun 53, 235–251 (2010). https://doi.org/10.1007/s11277-009-9681-8
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DOI: https://doi.org/10.1007/s11277-009-9681-8