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Optimal timeslot and channel allocation considering fairness for multicell CDMA/TDD systems
- Authors
- Chang, Kun nyeong; Lee, Ki dong; Kim, Dongwoo
- Issue Date
- Nov-2006
- Publisher
- Pergamon Press Ltd.
- Keywords
- CDMA/TDD system; timeslot and channel allocation; capacity fairness; simulated annealing
- Citation
- Computers and Operations Research, v.33, no.11, pp 3203 - 3218
- Pages
- 16
- Indexed
- SCIE
SCOPUS
- Journal Title
- Computers and Operations Research
- Volume
- 33
- Number
- 11
- Start Page
- 3203
- End Page
- 3218
- ISSN
- 0305-0548
1873-765X
- Abstract
- The CDMA/TDD system is a highly attractive solution to support the next generation cellular mobile systems which provide unbalanced multimedia services between downlink and uplink. In this paper, we analyze the interference for downlink and uplink timeslots in a multicell CDMA/TDD system. We also mathematically formulate an optimal timeslot and channel allocation problem considering capacity fairness among cells, which is to maximize the system capacity under the given traffic unbalance, and propose an efficient algorithm based on the simulated annealing technique. Extensive experimental results show that the proposed scheme yields a good performance, and fairness among cells improves with a decrease in the system capacity. (c) 2005 Elsevier Ltd. All rights reserved.
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Related Researcher
- Kim, Dong woo
- ERICA 공학대학 (SCHOOL OF ELECTRICAL ENGINEERING)