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Network link selecting method distinguishing upstream data stream from downstream data stream

A technology of network link and network selection, applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problem of not being able to fully meet the needs of users, and achieve the effect of improving the overall utility

Inactive Publication Date: 2014-07-16
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0006] The development of more and more rich multimedia services has greatly increased people's demand for rich media. However, only relying on one device and one network cannot fully meet the needs of users. In order to achieve the best presentation effect of services, multiple Each device is responsible for different components in the business session, and the synchronization function between devices is used to realize session coordination

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  • Network link selecting method distinguishing upstream data stream from downstream data stream
  • Network link selecting method distinguishing upstream data stream from downstream data stream

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Embodiment Construction

[0025] Below in conjunction with accompanying drawing, the technical scheme of invention is described in detail:

[0026] Such as figure 1 As shown: the application server on the network side can access different core networks at the same time, and the different core networks and access networks can be interconnected and interoperable. The environmental information database is responsible for collecting and maintaining the status information of each core network and access network. A variety of network terminal devices can independently access different networks.

[0027] The network selection server includes a network environment information database and a network selection algorithm function module. The environmental information database is responsible for collecting and maintaining the status information of each core network and access network. The parameters involved in this example are network parameters, which mainly include network type and attributes, available bandw...

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Abstract

The invention discloses a network link selection method for distinguishing uplink and downlink data streams, belonging to the technical field of wireless communication. In the network selection method, the network selection server obtains different media components of the uplink and downlink data streams according to the user's service requirements, and then matches the best network link for the equipment required by the service according to the network environment parameters and the QoS information of the different media components. The method utilizes the difference in the transmission rate of the upper and lower data flow links to divide the service requirements into several media components, and utilizes the maximum rate uplink or downlink data flow link to complete the uploading of each media component, thereby improving the efficiency of converged network selection.

Description

technical field [0001] The invention discloses a network link selection method for distinguishing uplink and downlink data flows, and belongs to the technical field of wireless communication. Background technique [0002] The next-generation converged network architecture system is the coexistence, overlapping coverage and intercommunication of wireless networks including 2G (GSM), 3G (UMTS), LTE, WLAN, WiMax, etc., and wired networks including xDSL, broadcasting networks, etc. Terminal collaboration is to use single-mode or multi-mode terminal equipment for different networks, so that it can provide business continuity and synergy between the whole business or different parts under the environment of network convergence. [0003] The traditional network selection method is to select a network with the best quality as the access network of the device according to the quality of different networks that the user equipment can access. This method is aimed at the current situat...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/701H04W48/18
Inventor 徐名海高杨徐玉薛忠余牛继明陈天力
Owner NANJING UNIV OF POSTS & TELECOMM
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