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dc.contributor.authorWanc, LCen_US
dc.contributor.authorCheng, SYen_US
dc.date.accessioned2014-12-08T15:25:41Z-
dc.date.available2014-12-08T15:25:41Z-
dc.date.issued2004en_US
dc.identifier.isbn0-7803-8794-5en_US
dc.identifier.issn1930-529Xen_US
dc.identifier.urihttp://hdl.handle.net/11536/18107-
dc.description.abstractMulti-class services change the design paradigm and pose new challenges for the future wireless networks. In the future, a voice-oriented macrocell and a data-oriented microcell will co-exist to support multi-class services. In this paper, we develop an analytical framework to determine the optimal pilot power ratio for the CDMA system considering the impact of hierarchical cellular structure, co-channel interference, shadowing, and multi-class service requirements. An analytical approach for determining the pilot power in the hierarchical cellular system is developed to maximize system capacity in supporting multi-class traffic. Based on this analytical approach, we find that to maximize the system capacity, it is necessary to increase the pilot power of the microcell, but lower the pilot power of the macrocell.en_US
dc.language.isoen_USen_US
dc.subjectpilot power ratioen_US
dc.subjectmulticlassen_US
dc.subjecthierarchical cellular system, and CDMA systemsen_US
dc.titlePilot power ratio design for hierarchical CDMA systems in supporting multi-class servicesen_US
dc.typeProceedings Paperen_US
dc.identifier.journalGLOBECOM '04: IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE, VOLS 1-6en_US
dc.citation.spage877en_US
dc.citation.epage881en_US
dc.contributor.department電信工程研究所zh_TW
dc.contributor.departmentInstitute of Communications Engineeringen_US
dc.identifier.wosnumberWOS:000226689900168-
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