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A Transmission Technique for Paging Indicator in OFDM-based Cellular Systems  

Kim, Yeong-Jun (중앙대학교 전자전기공학부 디지털통신연구실)
Yoo, Hyun-Il (중앙대학교 전자전기공학부 디지털통신연구실)
Woo, Kyung-Soo (중앙대학교 전자전기공학부 디지털통신연구실)
Lee, Hee-Soo (한국전자통신연구원)
Cho, Yong-Soo (중앙대학교 전자전기공학부 디지털통신연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.33, no.7A, 2008 , pp. 710-719 More about this Journal
Abstract
In this paper, a transmission technique of paging indicator (PI) on the existing preamble is proposed to reduce power consumption of the user equipment in idle mode for OFDM-based cellular systems. Compared with the PI transmission technique using the L1/L2 control channel, the PI transmission technique using preamble has advantages of not requiring additional overhead for PI transmission as well as reducing computational complexity for PI detection. Synchronization and PI detection techniques are descried for OFDM-based cellular systems, especially for mobile WiMAX systems. It is shown by computer simulation that the PI can be transmitted using the preamble (or common synch symbol) without affecting performances of synchronization and cell searching in mobile WiMAX systems.
Keywords
OFDM; Preamble; Power Saving;
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  • Reference
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