Unlock instant, AI-driven research and patent intelligence for your innovation.

Reliable multicast system of wireless network and control method thereof

A wireless network and control method technology, applied in wireless communication, broadcast service distribution, electrical components, etc., can solve the problems of terminals not receiving multicast packets correctly, service quality degradation, multicast packet loss, etc., and achieve reliable multicast business, to meet the effect of large-scale networking

Inactive Publication Date: 2013-02-27
上海寰创通信科技股份有限公司
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the handover of the terminal under different base stations will occur frequently, and the following problems will occur during the handover process: the terminal under the old base station does not receive the last multicast message correctly, and then switches to the new base station
[0003] These problems lead to the loss or disorder of multicast packets during the switching process of the terminal, and the service quality is reduced.
Especially in the case of real-time multimedia multicast services, it will seriously reduce the user experience

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Reliable multicast system of wireless network and control method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0061] Such as figure 1 As shown, the reliable multicast system of the wireless network of the present invention includes a mobile node (ie terminal MS), a base station (BS), and a gateway controller. The main functions of the above system components are:

[0062] The network controller multicast module implements the following functions:

[0063](1) Multicast service group management: service group quality configuration, service group addition and deletion, and service group broadcast to base stations and terminals in the system;

[0064] (2) Multicast service classification: Classify according to the attributes of the service group.

[0065] The base station multicast module realizes the following functions:

[0066] (1) Multicast packet buffering: buffering in units of multicast service groups. The buffer size is set in the business group attribute;

[0067] (2) Multicast message sending: start and stop sending multicast messages according to the instructions of the te...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a reliable multicast system of a wireless network, which comprises gateway controllers, base stations and a vehicular terminal, wherein the gateway controllers are divided into at least two groups, and each group of the gateway controllers is at least connected with a group of base stations; and the vehicular terminal is communicated and connected with each base station successively. Compared with the prior art, the multicast system can realize a reliable multicast service under the scene that a terminal is quickly moved and frequently switched over. In addition, a multi-stage networking mode of the gateway controllers and the base stations can meet the requirement of large-scale networking.

Description

technical field [0001] The invention relates to a system and a method for providing reliable multicast in a wireless network, in particular to a reliable multicast system of a wireless network and a control method thereof. Background technique [0002] The current multicast radix technology is aimed at the scenario where the terminal is stationary or slowly moving. In this scenario, a single base station communicates with the terminals in its service area. For the situation where the terminal moves rapidly and the coverage area of ​​the base station is reduced, there is no implementation. Specialized optimization and handling. For example, the patent "Wireless Network Multicast System and Method (Application No. / Patent No.: 200610033954)" proposes to improve the accuracy of multicast messages by sending unicast from base stations. The patent "wireless communication system, multicast transmission method, wireless base station, wireless terminal (00129213)" adds NACK type err...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/08H04W56/00H04W68/00
Inventor 尚涛吴亮
Owner 上海寰创通信科技股份有限公司