Method, apparatus and paging system for paging mobile node
A mobile node and paging system technology, applied in the field of paging mobile nodes, can solve the problems of power consumption, limited bandwidth, waste of wireless resources, etc., and achieve the effect of saving wireless resources and reducing power consumption.
Inactive Publication Date: 2009-08-05
江苏科利新材料有限公司
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AI Technical Summary
Problems solved by technology
Frequency bands below 3GHz can achieve seamless continuous coverage and high-speed mobility, but with limited bandwidth, it is difficult to meet the needs of high peak rates and high system capacity
The frequency band above 3GHz can achieve ultra-large bandwidth spectrum allocation, high peak rate and high system capacity, but it can only achieve island coverage (continuous coverage can only be achieved in dense urban areas), and only supports low-speed mobility
When paging a certain mobile node, the paging controller first notifies the access point to page the mobile node, and then the access point pages the mobile node on all its antenna units. It can be seen that, When the paging controller pages a certain mobile node, all mobile nodes in the cell to which the antenna unit connected to the access point belongs need to decode the paging message, which not only wastes wireless resources, but also consumes unnecessary paging Power consumption of mobile nodes in idle state
Method used
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no. 2 example
[0037] The second embodiment includes: determining the preferred access unit of the mobile node; and paging the mobile node on the preferred access unit of the mobile node when receiving a notification message of paging the mobile node from the paging controller.
[0038] If the preferred access unit is determined by the serving access point, the serving access point may obtain the information of the preferred access unit provided by the mobile node to determine the preferred access unit which belongs to the service Access Point.
[0039] If the access point that the mobile node requests to access determines the preferred access unit, the access point that the mobile node requests to access can obtain the preferred access unit provided by the mobile node from the notification message sent by the paging controller information to determine the preferred access unit.
[0040] The preferred access unit may be one access unit or multiple access units.
[0041] The access point ma...
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The invention provides a method for paging a mobile node, comprising the following steps of determining a preferred access point of the mobile node; notifying the preferred access point to page the mobile node when data needing to be sent to the mobile node exists in a network; and the preferred access point is used for paging the mobile node on an access unit preferably selected by the mobile node. The invention also provides two methods for paging the mobile node and three devices for paging the mobile node. In the invention, when paging the mobile node, the access point pages the mobile node on the access unit preferably selected by the mobile node pertinently, and does not need to send out page messages on other irrelevant access units, therefore, the mobile nodes irrelevant to the page messages in the coverage of other access units also do not need to decode the page messages, thus not only saving wireless resources, but also reducing the power consumption of the mobile nodes irrelevant to the paging.
Description
technical field [0001] The invention relates to wireless communication technology, in particular to the technology of paging a mobile node (MN, Mobile Node). Background technique [0002] Compared with the existing 2G and 3G mobile communication systems, the future 4G mobile communication technology will provide higher data transmission rate and more colorful services. The future 4G mobile communication system can meet the needs of users for seamless communication at any time and any place. In the future, people can use mobile phones to conduct various services such as video calls, Internet surfing, and interactive games very conveniently and quickly, and the tariffs will be very cheap, and the user utilization rate will be very high. [0003] In order to achieve the performance index of the B3G / 4G system, the International Mobile Telecommunications-Advanced (IMT-Advanced, International Mobile Telecommunications-Advanced) system may require a system bandwidth of 100 MHz. F...
Claims
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Login to View More IPC IPC(8): H04W48/18H04W76/02
CPCY02B60/50Y02D30/70
Inventor 常俊仁李亚娟
Owner 江苏科利新材料有限公司