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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 저널정보
- 대한전자공학회 ICEIC : International Conference on Electronics, Informations and Communications ICEIC : 2008
- 발행연도
- 2008.6
- 수록면
- 667 - 670 (4page)
이용수
초록· 키워드
오류제보하기
The problem of minimum power allocation as well as base station location has been an important issue in the design of wireless mobile networks. If the design criteria focus on mobiles, then minimum power allocation contributes to the low interferences of the CDMA wireless networks. This problem is also similar to a warehouse location problem, so it is NP-hard and consequently cannot be practically solved by exact methods for real-sized networks. Due to its CDMA characteristics, each mobile has interference from others and every mobile must meet a minimum signal-to-interference ratio. We present a mixed integer programming model of minimum power allocation for maximum capacity in a CDMA uplink environment. We apply a user-determined acceptable gap between the best known feasible solution and the current upper bound on the solution to obtain approximate solutions within a reasonable length of time.
목차
Abstract
1. Introduction
2. Mixed Integer Programming Model of Minimum Power Allocation
3. Lower Bounds on the Total Number of Base Stations
4. Simulation Results
5. Related Work
6. Conclusions
References
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