Real-time on-demand data broadcast scheduling system and method based on XML

A technology of data broadcasting and scheduling methods, which is applied in broadcasting service distribution, electrical digital data processing, semi-structured data retrieval, etc.

Inactive Publication Date: 2016-08-24
WUHAN UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

However, among the algorithms proposed so far, few of them involve the selectio

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  • Real-time on-demand data broadcast scheduling system and method based on XML
  • Real-time on-demand data broadcast scheduling system and method based on XML
  • Real-time on-demand data broadcast scheduling system and method based on XML

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Embodiment Construction

[0055] In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, and are not intended to limit this invention.

[0056] please see figure 1 An XML-based real-time on-demand data broadcast scheduling system provided by the present invention includes a server and a plurality of mobile clients, and the mobile clients submit their own requests through an uplink channel. As a device independent of the server, the mobile client continuously generates requests according to its own needs and sends them to the server through the upload channel, and then continuously monitors the downlink channel to obtain the requested data items. The server broadcasts a queue of data items ove...

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Abstract

The invention discloses a real-time on-demand data broadcast scheduling system and method based on an XML. The system comprises a server and multiple mobile clients. The mobile clients send XML document requests by uplink channels. Each request comprises a requested XML document ID and a request deadline. The server receives the user requests and adds the requests to a request queue. The server obtains XML document data from a database periodically according to the request queue, generates XML data items, preprocesses the XML document data items and adds the processed XML document copies to a preparation queue. The server selects the XML document data from the preparation queue periodically by applying a scheduling algorithm, adds the selected XML document data to a broadcast queue and organizes broadcasting.

Description

technical field [0001] The invention belongs to the technical field of computer science and real-time on-demand data broadcasting system, and relates to an XML-based real-time on-demand data broadcast scheduling system and method. Background technique [0002] With the development and popularization of mobile Internet technology, mobile Internet services and applications have involved all aspects of life such as communication, social networking, online trade, cloud services, and resource sharing. Data broadcasting enables a large number of users to access hotspot data at the same time through bandwidth multiplexing, and can support the mobile computing characteristics of mobile clients. The data broadcasting technology based on the mobile network has the characteristics of supporting concurrent access and convenient access, and has gradually become a current research hotspot. The main research topics are broadcast content selection and data broadcast scheduling. With the i...

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Application Information

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IPC IPC(8): H04W4/06G06F17/30
CPCH04W4/06G06F16/80
Inventor 胡文斌邱振宇聂聪严丽平杜博王欢赵汉宇
Owner WUHAN UNIV
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