Switchover method of single-service multi-path transmission in heterogeneous network

A technology of multi-path transmission and heterogeneous network, applied in the field of switching of single-service multi-path transmission, can solve problems such as data service loss, and achieve the effects of solving loss, improving network performance, and improving network resource utilization.

Active Publication Date: 2012-06-13
XIDIAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the present invention is to overcome the deficiencies of the prior art, and propose a switching method for single-service multi-path transmission in a heterogeneous network. Seamlessly switch

Method used

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  • Switchover method of single-service multi-path transmission in heterogeneous network
  • Switchover method of single-service multi-path transmission in heterogeneous network

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[0029] Attached below figure 1 The invention is further described.

[0030] Step 1, trigger the switch

[0031] When the user moves to the overlapping coverage area of ​​the source access point and the target access point that do not support seamless handover network, compare the signal strengths of the source access point and the target access point that do not support seamless handover network received by the user, If the received signal strength of the source access point is less than that of the target access point, the user triggers the handover.

[0032] The embodiment of the present invention adopts a heterogeneous network scenario composed of a Wideband Code Division Multiple Access (WCDMA) network and a Wireless Local Area Network (WLAN). Wideband Code Division Multiple Access (WCDMA) network is a network that supports seamless handover, and a network that supports seamless handover refers to a network that does not interrupt services during the handover when a user...

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Abstract

The invention discloses a switchover method of single-service multi-path transmission in a heterogeneous network. The method is based on a heterogeneous network integration system, and single-service of users is transmitted in multi-path mode by a network supporting seamless switchover and a network which does not support the seamless switchover. In a transmission process, when a transmission link of the network which does not support the seamless switchover is switched over, service transmitted through the network which does not support the seamless switchover is switched over to the network supporting the seamless switchover. When the transmission link of the network which does not support the seamless switchover finishes the switchover, multi-path transmission is recovered. The switchover method of the single-service multi-path transmission in the heterogeneous network is provided and aims at solving the problems of service interruption and data service losing of the multi-path transmission in a switchover process in the prior art. Real-time performance and integration of single-service in the switchover process are guaranteed by switching over the service transmitted by the network which does not support the seamless switchover to the network supporting the seamless switchover.

Description

technical field [0001] The invention belongs to the technical field of communication, and further relates to a switching method for single-service multi-path transmission in a heterogeneous network. The invention can be used to solve the problem of multipath switching caused by user mobility in heterogeneous networks. Background technique [0002] With the rapid development of wireless communication technology and the rapid growth of user service requirements, a heterogeneous network in which multiple wireless access technologies coexist and complement each other has become a research hotspot in wireless communication. At the same time, the emergence of multi-mode terminals enables a single terminal device to establish connections with multiple networks or multiple operators at the same time. Therefore, multi-path transmission in heterogeneous networks has become an important technical problem to be solved urgently. [0003] In a heterogeneous network environment, the same...

Claims

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Application Information

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IPC IPC(8): H04W36/14H04W36/18H04W36/30
Inventor 李红艳冯瑞李建东赵林靖马英红杨春刚
Owner XIDIAN UNIV
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