A network access method and system during group movement of mobile terminals

Abstract

The invention discloses a network access method and system during the mobile terminal group movement process. The method includes: obtaining the moving direction mode of the mobile terminal in the mobile terminal group, establishing a dynamic weighted load evaluation model, and calculating according to the evaluation model Select the candidate access network based on the evaluation result; obtain the evaluation index of the candidate access network, establish a normalized evaluation model according to the evaluation index; establish and solve the access network selection decision model of the mobile terminal group according to the normalized evaluation model, The solution result is the optimal access network, and the mobile terminal group performs network access through the optimal access network. The invention can enable the mobile terminal in the group movement to access the optimal network, reduce the switching interruption rate of the mobile terminal in the group movement, and ensure the network throughput.

Description

Technical field [0001] The present invention relates to the field of network communication, and in particular to a method and system for network access during group movement of mobile terminals. Background technique [0002] In actual mobile scenarios, heterogeneous network environments have multiple wireless network access technologies. How to choose the most appropriate network access for heterogeneous mobile terminals with multiple wireless interfaces in a heterogeneous network environment is to achieve seamless mobility and improve The key to mobile terminal user service experience. [0003] At present, the representative of the prior art is: the access network selection technology based on the cost function, which uses the cost function to measure the priority characteristics of the access network, but this method only considers part of the decision parameters. As the decision parameters increase , The design of the cost function cannot reasonably reflect the performance of t...

AI Technical Summary

Problems solved by technology

[0003] At present, the representative ones in the existing technology are: the access network selection technology based on the cost function, which uses the cost function to measure the priority characteristics of the access network, but this method only considers part of the decision parameters, with the increase of the decision parameters , the design of the cost function cannot reasonably reflect the performance of the access network; the access network selection technology based on the utility function obtains an optimized resource allocation scheme by maximizing the utility of each access network, but the defect is that the selected utility The function does not combine user preferences with the actual situation of the network, which affects the accuracy of the judgment

The network access in the prior art enables the mobile terminal to access the best network, and the switching interruption rate of the mobile terminal is relatively high

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