System and method for periodic ranging in a sleep mode in a...

Details System and method for periodic ranging in a sleep mode in a... System and method for periodic ranging in a sleep mode in a...

2005-05-09

2009-10-13

Yun, Eugene (Department: 2618)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S522000, C455S127400, C455S127500

Reexamination Certificate

active

07603147

ABSTRACT:
A system for a periodic ranging in a BWA communication system. In the system, a receiver in a sleep mode of a wireless communication system receives a sleep mode transition message, which including first information relating to a timing point at which the periodic ranging is performed, from a transmitter, transits to the sleep mode, and performs the periodic ranging at a timing point corresponding to the first information. Accordingly, the periodic ranging of the receiver in the sleep mode can be performed.

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Yeong-Moon Son et al., Sleep Mode Supporting the Periodic Ranging With Compressed Format of SLP ID Fields in MOB—TRF—IND Message-Harmonization Ad-Hoc Consensus Contribution, Aug. 17, 2004.
Yeongmoon Son et al., “Periodic Ranging in Sleep Mode”, IEEE 802.16 Broadband Wireless Access Working Group, Mar. 17, 2004.
Antonis Karvelas, SS - Initial Ranging, IEEE 802.16.1c-01/19, IEEEE 802.16 Task Group, Mar. 7, 2001.

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