Heterogeneous network accessing control method facing user quality of service (QoS) requirement and network load

A network load and heterogeneous network technology, applied in network traffic/resource management, electrical components, wireless communication, etc., can solve the problem of not comprehensively considering the impact of user mobility and acceptance of users

Active Publication Date: 2013-05-22
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0004] At present, most of the relevant studies are only effective in one aspect, from the perspective of users or operators, without comprehensive consideration of user mobility, user QoS requirements, QoS provided by the network, and the impact of network load on the acceptance of users

Method used

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  • Heterogeneous network accessing control method facing user quality of service (QoS) requirement and network load
  • Heterogeneous network accessing control method facing user quality of service (QoS) requirement and network load
  • Heterogeneous network accessing control method facing user quality of service (QoS) requirement and network load

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Embodiment Construction

[0046] The heterogeneous network access control method oriented to user QoS requirements and network load of the present invention will be further specifically described below in conjunction with the accompanying drawings.

[0047] In this embodiment, WLAN, UMTS and WiMAX overlay networks are taken as examples for illustration, as figure 1 As shown, the WLAN is within the coverage of the UMTS network; the flow of the heterogeneous network access control method oriented to user QoS requirements and network load in the present invention is as follows image 3 shown.

[0048] The user scans the available networks to form a set A j (j=1,2,...), different users have different speeds, terminal equipment interface sensitivities, and business service quality requirements. The terminal control and network-assisted judgment methods are used to select the most suitable network access.

[0049] (1) Network pre-selection

[0050] WLAN coverage is limited. In order to prevent "ping-pong...

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Abstract

The invention provides a heterogeneous network accessing control method facing user quality of service (QoS) requirement and network load. The method aims at solving the problem of network choosing during uniform motion of a mobile terminal under a fusion framework of a universal mobile telecommunications system (UMTS), a wireless local area network (WLAN) and a wireless municipal area network (WiMAX); comprehensively takes limits including user moving speed, user QoS requirement, network business load, network coverage area and the like; performs preliminary election on the networks according to the moving speed of the users, if a plurality of candidate networks exist, then calculates eligibility factors and selects a network accessing with the largest user and network eligibility factor value according to QoS required by the users and provided by the network and network business load condition. The method can effectively avoid table tennis switching, meet user QoS requirement, utilize network resources as far as possible; simultaneously is simple and easy to achieve, and has good application prospect.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, in particular to a heterogeneous network access control method oriented to user QoS requirements and network load. Background technique [0002] With the rapid development of wireless communication technology, many new mobile communication networks such as wireless local area network WLAN, WiMAX, Wi-Fi, wireless personal area network WPAN, wireless Mesh network WMN, wireless sensor network WSN, Ad-hoc, 3G and B3G have emerged. Heterogeneous networks using different networking technologies. These networks are different in terms of coverage, data rate provided, supported mobility, and services suitable for transmission. They complement each other and coexist. Each radio access technology RAT has different characteristics in terms of capacity, coverage, supported mobility, and quality of service provided to users, but none of the networks can provide uniform coverage and continuous hi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/08H04W28/24
Inventor 张晖金玲杨龙祥朱洪波
Owner NANJING UNIV OF POSTS & TELECOMM
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