Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2007-03-20
2007-03-20
Corsaro, Nick (Department: 2617)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S502000, C455S503000, C455S423000, C455S045000
Reexamination Certificate
active
11201229
ABSTRACT:
A method of performing a ranging process between a base station and a mobile station in sleep mode in a wireless access system, wherein the base station provides the mobile station with an initial notification of a periodic ranging time that occurs during a sleep time interval and during which the mobile station is to perform the ranging process, the initial notification included in a first message indicating whether the mobile station should terminate sleep mode to receive downlink data, and wherein the base station provides the mobile station with subsequent notifications of periodic ranging times that occur during the sleep time interval, the subsequent notifications indicated in a second message, the second message transmitted to the mobile station as part of the ranging process such that the mobile station performs a plurality of ranging processes within the sleep time interval.
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“Periodic Ranging in Sleep Mode”, Son et al., IEEE C802. 16e-04/24, Mar. 5, 2004.
Kim Beum-Joon
Lee Chang-Jae
Ryu Ki-Seon
Corsaro Nick
Goetze Simon A.
Lee Hong Degerman Kang & Schmadeka
LG Electronics Inc.
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