Multi-mode terminal vertical switching method in heterogeneous network

Abstract

The invention relates to a multi-mode terminal vertical switching method in a heterogeneous network, and belongs to the technical field of communication. According to the method, a network resource monitoring module, a network selection module, a switching judging module and a switching execution module are used; the network resource monitoring module monitors and collects candidate network resource information in real time, and provides data sources for the network selection module and the switching judging module; in the network switching stage, the network resource monitoring module mainly detects the service access and the network state; the switching judging module is mainly used for switching application judgment, performing priority ranking on switching applications according to the current network state and service condition information provided by the network monitoring module, and performing switching judgment according to the priority; after the switching judgment, the operation enters the switching execution module to perform switching execution. The multi-mode terminal vertical switching method has the advantages that in the vertical switching process, the priority of different service switching applications is fully considered; the switching execution is performed according to the priority; the service quality of different services is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of communication, and relates to a method for vertical switching of multi-mode terminals in a heterogeneous network. Background technique [0002] With the rapid development of mobile communication technology, more and more access technologies have emerged as the times require, but currently there is no access network that can fully meet the needs of users with large coverage, high mobility support, high bandwidth, low delay and For requirements such as low packet loss, different access networks have their own advantages and are applicable to different occasions. They are difficult to replace each other, and only using a single network cannot meet the needs of diversified broadband services. Therefore, the future development trend of mobile communication is bound to be heterogeneous network integration and interconnection. However, in the environment of heterogeneous network convergence, when the terminal i...

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Problems solved by technology

[0004] Insufficiency of the existing technology: the user terminal always keeps the service running in the optimal or better network through vertical switching, which greatly improves the user experience

However, in densely populated places, when multiple user terminals apply for switching to the same optimal network at the same time, due to the limited network resources, if the network side satisfies all the switching applications at the same time, it will cause network congestion and affect the existing services in the network. service quality

On the user side, because the quality of service cannot be satisfied, multiple iterations to select the optimal network will also affect the quality of service of the network, such as increasing network delay and packet loss rate.

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