Method for releasing idling-resource in WiMAX system
A technology for idle resources and network access, applied in transmission systems, digital transmission systems, data exchange through path configuration, etc., can solve problems such as resource exhaustion, no clear release method for context resources, and equipment inconsistency.
Inactive Publication Date: 2008-01-09
HUAWEI TECH CO LTD
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[0011] In the above two processes, when the MS switches to a new device (in Figure 2, it refers to switching to the target GW, in Figure 3, it refers to the MS roaming to another GW), and there is no clear way to release the context resources in the SGW, If the context resources in the SGW are not released at this time, or are released immediately, unpredictable problems will occur. For example, if the context resources in the SGW are not released all the time, it may lead to resource exhaustion; or if at this time If the context resources in the SGW are released immediately, when the user switches back in a short time, there will be context information on the SBS, but no context information on the SGW, so there will be inconsistencies between the two network element devices, thus There will be disorder
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[0030] The method for releasing the idle context resource in the WiMAX system of the present invention realizes the control of releasing the idle context resource through timing release or message triggering. Among them, the release of idle context resources through timing triggering means that in some cases, idle context resources need to be reserved for a period of time with other network element devices, and can only be released after a certain event occurs in other network element devices. At this time, the setting The timer corresponding to the event, when the timer expires and the idle context resource is not used, release the context resource. The release of idle context resources through message triggering refers to: when an event occurs, a corresponding message sent by other network element devices is received, indicating that the idle context information cannot be used any more, and the context resources are released.
[0031] The following two methods for controllin...
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The method includes steps: mobile station sends message of service request to service base station, network gateway of service access, and relevant equipment of net element; the equipment of net element returns back message of service response to the network gateway of service access, service base station, and mobile station; when receiving message of service response, service base station starts first timer, and after the first timer is time-out, the service base station releases idle resource; based on triggering condition, network gateway of service access releases idle resource. Through setting up triggering condition including timer triggering and message triggering, the invention overcomes things such as resource exhaustion, confusion between net elements caused by no clear definition how to releases idle resource in WiMAX system from occurring.
Description
technical field [0001] The present invention relates to the field of Worldwide Interoperability for Microwave Access (WiMAX for short), and more specifically, relates to a method for releasing idle resources in a WiMAX system. Background technique [0002] Global Interoperability of Microwave Access is a wireless metropolitan area network access technology based on the IEEE802.16 standard. With the vigorous development of Internet services and the wide application of wireless networks, the WiMAX system has received a lot of applications and attention due to its good wireless access characteristics. [0003] FIG. 1 is a schematic diagram of a network architecture in which WiMAX is applied to mobile communications. The WiMAX system at least includes an Access Service Network (ASN for short), a Connectivity Service Network (CSN for short) and a Mobile Station (MS for short). Among them, MS is a mobile user equipment, which is used by users to access the WiMAX system, so it ca...
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IPC IPC(8): H04L12/28H04L12/24
Inventor 袁立平
Owner HUAWEI TECH CO LTD