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A Paging Indicator Transmission Technique for Mobile WiMAX Systems
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- Authors
- Yeong Jun Kim, Hyun Il Yoo, Kyung Soo Woo, Jung Ryun Lee, Hee Soo Lee, Yong Soo Cho
- Issue Date
- 2009-07
- Citation
- IEICE Transactions on Communications, v.E92-B, no.7, pp.2542-2545
- ISSN
- 0916-8516
- Publisher
- 일본, 전자정보통신학회 (IEICE)
- Language
- English
- Type
- Journal Article
- Abstract
- In a cellular system, efficient power saving techniques for a mobile station. (MS) are necessary because of its inherently limited battery capacity. The paging indicator (PI) transmission scheme in CDMA cellular systems is known to be an effective power saving strategy. However, in OFDM-based cellular systems, the MS has to operate FFT for PI symbol detection, resulting in a significant power consumption. In this letter, a PI transmission technique with reduced power consumption using the preamble in OFDM-based cellular systems, especially for mobile WiMAX systems, is proposed for the MS under power saving mode. Simulations indicate a 30-50% power saving from our proposed PI transmission technique, at the expense of a slight increase in paging response delay. Copyright © 2009 The Institute of Electronics, Information and Communication Engineers.
- KSP Keywords
- Cellular system, Effective power, Information and communication, Mobile WiMax, Mobile station(MS), Power Consumption, Power Saving Mode, Reduced power, Response delay, Transmission scheme, battery capacity