H - Electricity – 04 – W
Patent
H - Electricity
04
W
H04W 60/02 (2009.01) H04W 36/08 (2009.01) H04W 48/16 (2009.01) H04W 52/02 (2009.01)
Patent
CA 2576557
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, the 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.
Cette invention concerne un procédé permettant d'effectuer un processus de mesure de distance entre une station de base et une station mobile en mode veille dans un système d'accès sans fil, laquelle station de base envoie à la station mobile une notification initiale d'un temps de mesure de distance périodique survenant pendant un intervalle de temps de veille et pendant lequel la station mobile doit effectuer le processus de mesure de distance, la notification initiale étant intégrée dans un premier message, ledit premier message indiquant si la station mobile doit interrompre son mode veille pour recevoir des données descendantes. Par ailleurs, la station de base envoie à la station mobile des notifications ultérieures de temps de mesure de distance périodique survenant pendant l'intervalle de temps de veille, les notifications ultérieures étant indiquées dans un second message, ledit second message étant envoyé à la station mobile dans le cadre du processus de mesure de distance de façon que la station mobile réalise une pluralité de processus de mesure de distance dans l'intervalle de temps de veille.
Kim Beom Joon
Lee Chang Jae
Ryu Gi Seon
Lg Electronics Inc.
Smart & Biggar
LandOfFree
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