PERFORMANCE OF AN EFFICIENT SLEEP MODE OPERATION FOR IEEE 802.16M
- Authors
- Baek, Sangkyu; Choi, Bong Dae
- Issue Date
- 8월-2011
- Publisher
- AMER INST MATHEMATICAL SCIENCES-AIMS
- Keywords
- Sleep mode; 802.16m; embedded Markov chain
- Citation
- JOURNAL OF INDUSTRIAL AND MANAGEMENT OPTIMIZATION, v.7, no.3, pp.623 - 639
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF INDUSTRIAL AND MANAGEMENT OPTIMIZATION
- Volume
- 7
- Number
- 3
- Start Page
- 623
- End Page
- 639
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/111873
- DOI
- 10.3934/jimo.2011.7.623
- ISSN
- 1547-5816
- Abstract
- Power saving is one of the important issues for battery-powered mobile station in mobile WiMAX. Both IEEE 802.16e and IEEE 802.16m standards define sleep mode operations for power saving of mobile stations. In this paper, we propose an efficient sleep mode operation for the IEEE 02.16m advanced mobile WiMAX. The proposed scheme takes advantages of sleep modes in both the IEEE 802.16e and IEEE 802.16m. This scheme has binary exponential sleep windows which guarantee the minimum length for effective power saving. The mobile station uses the T_AMS timer in the IEEE 802.16m so that the mobile station sends or receives data packets during the extendable listening window in the sleep mode. We mathematically analyze the proposed scheme by an embedded Markov chain to obtain the average message delay and the average power consumption of a mobile station. The analytical results match with the simulation results very well. The analytical results show that the power consumption of our scheme is better than those of the legacy sleep modes in the IEEE 802.16e and the IEEE 802.16m under the same delay bound.
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