A Broadcast Scheduling Algorithm Supporting Periodic Continuous Real-time Query in Broadcast Environment

A technology with continuous cycle and broadcast scheduling, which is applied in the branch office to provide special service devices, multi-program device, resource allocation, etc. It can solve the problems of service rate loss and other problems, and achieve the effect of short development cycle and low development difficulty

Inactive Publication Date: 2015-08-26
武汉市武钢三中 +1
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loss of service

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  • A Broadcast Scheduling Algorithm Supporting Periodic Continuous Real-time Query in Broadcast Environment
  • A Broadcast Scheduling Algorithm Supporting Periodic Continuous Real-time Query in Broadcast Environment
  • A Broadcast Scheduling Algorithm Supporting Periodic Continuous Real-time Query in Broadcast Environment

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Embodiment Construction

[0070] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other. Now explain as follows:

[0071] The method of the invention is suitable for broadcast scheduling processing of periodic and continuous real-time query tasks in a broadcast environment. The method comprehensively considers the sharing of broadcast data, the real-time nature of tasks, the continuity of services and the efficiency of bandwidth usage. The method proposed by the invention consists o...

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Abstract

The invention discloses a broadcast scheduling algorithm for periodic and continuous real-time task querying in the broadcast environment. Combined with the basic requirement for effectively using the bandwidth, an original scheduling algorithm is improved and expanded, waste of the bandwidth is restrained to a certain degree, and the real-time requirement of tasks is guaranteed. The broadcast scheduling algorithm mainly includes the steps of first treatment, the mergable queries merging (MQM) scheduling algorithm, the mergable queries merging-unique data only (MQM-UO) scheduling algorithm. By means of the algorithms, a server can use the broadcast bandwidth more effectively, and services can be provided for task querying more timely and more effectively. Compared with other broadcast scheduling algorithms, the scheduling algorithm gives consideration to the sharing performance of the broadcast data, the real-time performance of the tasks, the continuity of the services and the high using efficiency of the bandwidth at the same time.

Description

technical field [0001] The invention belongs to the technical field of real-time data broadcast scheduling, and more specifically relates to a broadcast scheduling algorithm that supports periodic continuous real-time query in a broadcast environment. Background technique [0002] With the development of wireless communication technology and the widespread use of portable communication devices, data broadcasting has become a popular way of data communication. People can use wireless networks and portable communication devices to query various data information they need anytime and anywhere. However, in a real environment, data may change frequently (such as stock prices, the position of moving cars), and query tasks may also have different urgency, resulting in query tasks often having different task periods. In order to ensure the successful completion of the query task, the server needs to broadcast all the data it queries at least once in each cycle of the task. That is ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/18G06F9/50
Inventor 李贽周全李剑军
Owner 武汉市武钢三中
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