(A) time slot allocation algorithm for capacity maximization in CDMA/TDD systemCDMA/TDD 시스템에서 용량 최대화를 위한 시간 슬롯 할당 방식에 관한 연구

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Recently, the mobile communications system is expected to provide various wireless multimedia services. Since multimedia services generally need more downlink traffic than uplink traffic, the current CDMA/FDD system can not utilize resources efficiently. CDMA/TDD system is proposed to solve this problem. In CDMA/TDD system, inter-cell interference occurs when time slot is allocated differently in neighbor cells. In this thesis, we propose a time slot allocation algorithm for capacity maximization considering the inter-cell interference. The proposed algorithm is based on LP relaxation method. By solving LP relaxed sub-problem, we can obtain a good solution in a short time. By calculating the total system capacity according to uplink and downlink asymmetry of a cell, we show that the proposed algorithm provides more system capacity than SA strategy in case that traffic asymmetry level is intensive.
Advisors
Kim, Se-Hunresearcher김세헌researcher
Description
한국과학기술원 : 산업공학과,
Publisher
한국과학기술원
Issue Date
2003
Identifier
180215/325007 / 020013029
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 산업공학과, 2003.2, [ vi, 45 p. ]

Keywords

Capacity Maximization; CDMA/TDD; Time Slot; 용량 최대화; CDMA/TDD; 시간 슬롯

URI
http://hdl.handle.net/10203/41672
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=180215&flag=dissertation
Appears in Collection
IE-Theses_Master(석사논문)
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