Method, system and network side for blind switching
A blind handover, network-side device technology, applied in the field of cross-system handover, can solve problems such as low handover success rate and accuracy, and achieve the effect of reducing preparation time and improving success rate and accuracy
Inactive Publication Date: 2011-07-13
ZTE CORP
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[0006] In view of this, the main purpose of the present invention is to provide a blind handover method, system and network side to solve the problem of low handover success rate and accuracy in the inter-system blind handover method of the second type of terminal in the prior art
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[0044] The technical solution of the present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
[0045] The present invention provides a blind handover method. The method uses the cell signal quality measurement capability of the first type of terminal in the mobile communication system, and combines the positioning function of the network side to obtain the position information and the signal coverage information of the different system. Correspondence, so that the correspondence can be used to guide the blind handover of different systems of the second type of terminal.
[0046] In the present invention, the flow chart for obtaining the correspondence between location information and signal coverage information of different systems, such as figure 1 As shown, it mainly includes the following steps:
[0047] Step 101: The network side sends a signal measurement command to the first type terminal.
[0048] The network side o...
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The invention discloses a method for blind switching, comprising the following steps: acquiring position information of a second-kind terminal; obtaining signal covering information of a different system, which corresponds to the position information, through inquiring the corresponding relation between the position information and the signal covering information which is measured by a first-kindterminal of the different system according to the obtained position information; and switching the wireless connection of the second-kind terminal to a different system cell in the signal covering information of the different system according to the signal covering information of the different system. The invention also provides a system and a network side for blind switching. The switching success ratio and the accuracy of blind switching of the second-kind terminal can be improved through the blind switching of the second-kind terminal, which is assisted by the signal quality measuring result of the different system of the first-kind terminal.
Description
Technical field [0001] The present invention relates to cross-system handover technology, in particular to a blind handover method, system and network side. Background technique [0002] The mobile communication system can meet the requirements of people to communicate anytime and anywhere. The current mobile communication system is gradually changing from the second generation mobile communication technology (2G, 2nd Generation) network system to the third generation mobile communication technology (3G, 3rd Generation) network system over. Among them, the 3G network system is represented by a Time Division-Synchronous Code Division Multiple Access (TD-SCDMA) system and a Wideband Code Division Multiple Access (WCDMA) system. Since the construction of the network is a gradual process, during the transition period from 2G to 3G, the emerging 3G network system needs to coexist with the existing 2G network system, so that on the basis of the existing 2G network system, on demand, ...
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IPC IPC(8): H04W36/00H04B7/26
Inventor 张春国周天才
Owner ZTE CORP