Method and device for data flow migration in multi-radio access network
A technology of data flow migration and wireless access, applied in wireless communication, electrical components, etc., to achieve the effect of business continuity and load reduction
Active Publication Date: 2017-08-25
ALCATEL LUCENT SHANGHAI BELL CO LTD
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Problems solved by technology
[0010] The existing technology has not yet solved a key problem: how to realize the migration of IP data streams in different wireless systems and ensure the continuity of services under the premise of minimizing the impact on upper layer protocols, applications and other network element equipment
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[0067] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0068] The present invention is applicable to the scenario of multiple wireless access networks, wherein data streams are migrated between the wireless access interface of the mobile communication network and the wireless access interface of the wireless local area network. ) interface, LTE (Long Term Evolution, long-term evolution network) interface, etc., the latter is, for example, a Wi-Fi interface. In this document, for ease of description, the migration of data streams between the LTE wireless access interface and the Wi-Fi interface is mostly used as an example for illustration. However, those skilled in the art should understand that the aforementioned LTE wireless access interface and Wi-Fi interface are only examples for the purpose of illustrating the present invention, and should not be construed as any limitation to the present invention. Any oth...
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The object of the present invention is to provide a method and device for data flow migration in a multi-radio access network. Wherein, the access node device makes a migration decision for the data flow to be migrated, sends a connection reconfiguration message to the user equipment, and establishes a radio bearer for carrying the data flow to be migrated in the target wireless interface; the user equipment receives the connection reconfiguration message, also establishing a radio bearer for carrying the data flow to be migrated in the target radio interface, updating the association relationship between the radio bearer and the target radio interface, and sending a configuration completion notification message to the access node device; the access node device After receiving the configuration completion notification message, update the association relationship between the radio bearer and the target radio interface, so as to complete the migration of the data flow to be migrated in the multi-radio access network.
Description
technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a technology for data flow migration in multiple wireless access networks. Background technique [0002] The rapid growth of mobile data makes the cellular mobile communication network, especially the wireless access network, face enormous pressure. The wireless access capability needs to be improved urgently to meet the ever-increasing needs of users for higher data rates. Meanwhile, Wireless Local Area Networks (WLAN, Wireless Local Area Networks) are widely used. Convergence between a WLAN and a cellular mobile communication network (cellular network) is increasingly becoming an effective way to improve wireless access capabilities. [0003] A solution for the integration of the cellular mobile communication network and the wireless local area network is to integrate the WLAN access point and the cell base station of the mobile communication network in...
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IPC IPC(8): H04W36/00H04W36/14H04W36/18
Inventor 张凯宾
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD