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Real-time on-demand data broadcast scheduling adaptive channel split and allocation system and method

An adaptive channel and data broadcasting technology, applied in wireless communication, electrical components, etc., can solve the problems of large differences in data characteristics, rapid changes in hot spots, and unadaptable hotspot data dispersion.

Active Publication Date: 2016-11-09
WUHAN UNIV
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AI Technical Summary

Problems solved by technology

However, the fixed multi-channel broadcast scheduling algorithm can only target the network with specific needs, and cannot adapt to the changing demand environment.
[0004] Neither single-channel broadcast nor fixed multi-channel broadcast can adapt to the broadcast environment where hotspot data is dispersed, hotspots change rapidly, and data characteristics vary greatly

Method used

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  • Real-time on-demand data broadcast scheduling adaptive channel split and allocation system and method
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  • Real-time on-demand data broadcast scheduling adaptive channel split and allocation system and method

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Embodiment Construction

[0084] 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.

[0085] With the continuous development of mobile data broadcasting, it faces the following challenges: (1) the diversification of data content and scale; (2) the real-time nature of user requests and the diversity of needs, resulting in the increase of hot data, directly increasing the broadcast data (3) Improvement of service quality and level.

[0086] The invention studies the adaptive multi-channel broadcast scheduling, and proposes an adaptive channel division and allocation method OCSM (Optimized Channel Split Method) for real-time on-demand data broadc...

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Abstract

The present invention discloses a real-time on-demand data broadcast scheduling adaptive channel split and allocation system and method. The system consists of a server and multiple users and includes an uplink channel and a plurality of downlink channels. A bandwidth of the uplink channel is smaller than bandwidths of the downlink channels. When the user needs a piece of data, a request is uploaded to the server by using the uplink channel; after the request is uploaded, the user monitors the downlink channels to acquire the data; the server is used for maintaining one request queue (RQ), one pending queue (PQ) and a plurality of broadcast queues (BQ), wherein i is greater than or equal to 0 and is less than or equal to N; the RQ is responsible for collecting user requests, and the server acquires data from a database according to the RQ and generates the PQ; and the server periodically extracts data organization broadcast from the PQ. The channel is adjusted dynamically according to a real-time data request environment, so that the channel can effectively adapt to the broadcast environment in which hotspot data is scattered, hotspots change rapidly and data items change rapidly. The broadcast efficiency of a real-time on-demand data broadcast system is improved effectively.

Description

technical field [0001] The invention belongs to the technical field of computer science and real-time on-demand data broadcast scheduling, and relates to an adaptive channel division and allocation system and method OCSM (Optimized Channel Split Method) for real-time on-demand data broadcast scheduling. Background technique [0002] Since mobile network technology and data broadcast scheduling support a large number of users to access hotspot data at the same time, real-time on-demand data broadcast scheduling is widely used in the transmission of real-time hotspot data, such as stock information transmission, traffic information release and other real-time systems. Data broadcasting includes static periodic broadcasting and on-demand broadcasting. Due to the continuous improvement of mobile network users' demand for information service quality, real-time on-demand data broadcasting has become a current research hotspot, and timeliness is an important constraint condition fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/00H04W72/12
CPCH04W72/121H04W72/30H04W72/569H04W72/21
Inventor 胡文斌邱振宇聂聪严丽平杜博王欢
Owner WUHAN UNIV
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