CN102946378B - Mobile location and multimedia information pushing network system based on Bluetooth - Google Patents
Mobile location and multimedia information pushing network system based on Bluetooth Download PDFInfo
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- CN102946378B CN102946378B CN201210392734.XA CN201210392734A CN102946378B CN 102946378 B CN102946378 B CN 102946378B CN 201210392734 A CN201210392734 A CN 201210392734A CN 102946378 B CN102946378 B CN 102946378B
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Abstract
The invention provides a mobile location and multimedia information pushing network system based on Bluetooth, which is used for for forming a self-organizing micronet based on the Bluetooth, carrying out discovery, access and route broadcasting of a mobile terminal, creating a route table for the self-organizing micronet, amplifying coverage of pushing multimedia information with the Bluetooth gateway and a transit server, judging real time position of the mobile terminal based on route information detected by the Bluetooth gateway and access information of the mobile terminal, and providing personalized multimedia information pushing service.
Description
Technical field
The present invention relates to multimedia information push technical field, in particular to a kind of running fix based on Bluetooth technology and multimedia information push network system.
Background technology
Multimedia information push is the important technical realizing the multidimensional information issues such as important management, commercial affairs towards Different crowds, modern multimedia information push technology refers to passes through network, according to certain technical standard and agreement, specific information is chosen from the information resources of standby, information is sent to user's receiving terminal by network, thus passes to the technology of user profile.Multimedia information push technology is proposed in 1996 by PointCast Network company of the U.S. the earliest, be developed so far the important means becoming and issue various information towards the public, and progressively become the special software and hardware combining system of multimedia messages screening, classification, sequence, play an important role in commercial affairs, public management.Especially towards a large amount of crowds of public sphere among a small circle, as places such as hospital, railway station, bus stations, the demand of different crowd to management information aspect is met by distribution of information and propelling movement, in clean up misunderstanding, simplify and reduce the complexity of management work and workload, maintaining public order has many important function with the aspect such as stable.
Distribution of information main is at present adopt large-screen and all kinds of inquiry terminals to realize with pushing actualizing technology.And display and the fixing point of inquiry terminal are inquired about and published method, nothing is mutual, information is single, do not support user's particular demands.
Along with the development of Information technology and the brute force of the market demand promote, the Message Display Terminal of multimedia information push technology starts to mobile and handheld terminal development, the intelligence of hand-held terminal device turns to multimedia information push and provides important information display platform, the network communication protocol mainly adopted for the multimedia information push of mobile handheld terminal at present has WIFI, CMMB etc., WIFI and CMMB mechanics of communication can realize comparatively remote and interior in a big way information pushing, but does not have the characteristic of hi-Fix and self-organizing microgrid.
The Ad hoc network proposed in recent years is a kind of emerging mobile radio network, and compared with common network, it has following characteristics: 1. non-stop layer: all nodes of Ad hoc network equal, is namely a peer to peer network; 2. self-organizing: the laying of network or expansion are without the need to depending on any default network facilities, and node coordinates respective behavior by layered protocol and distributed algorithm; 3. multihop routing: when node will communicate with the node outside its coverage, can be forwarded by the multi-hop of intermediate node; 4. dynamic topology: Ad hoc network is a dynamic network, and network node can move everywhere.
By the joint of Bluetooth technology and Ad hoc network, the crowd in certain limit that realizes carries out radio multimedium communication according to respective demand, set up Ad hoc network, mutual discovery, by bluetooth route and the Data Transport Protocol of definition, realize the self-organizing micronetwork of mobile Bluetooth terminal, by the Bluetooth gateway of Ad hoc micronetwork, user can be linked into background information distribution and propelling data center, realizes acquisition and the inquiry of multimedia messages.
Summary of the invention
In view of above-mentioned the problems of the prior art, object of the present invention is intended to propose a kind of running fix based on bluetooth and multimedia information push network system, can according to the individual requirement of different crowd in certain limit, location and the distribution of multimedia messages and Push Service are provided, meet its demand to information management.
For achieving the above object, improvement of the present invention is to propose a kind of running fix based on bluetooth and multimedia information push network system, comprising:
Mobile terminal, it is provided with bluetooth module;
Based on the self-organizing microgrid of bluetooth, based on the discovery of bluetooth communication protocol realization mobile terminal, the broadcast of mobile terminal route, the establishment of self-organizing microgrid routing table, upgrade multi-hop transfer with maintenance and communication data;
Bluetooth gateway, the data relay service of mobile terminal and background server in the access of mobile terminal and self-organizing microgrid is provided, realizes judging towards the geographical location information of each mobile terminal in the privacy protection and self-organizing microgrid of data in the management and utilization, self-organizing microgrid of the multi-access point of self-organizing microgrid, self-organizing microgrid;
Transfer server, provides the data relay towards the node across Bluetooth gateway, realizes the data communication be positioned between the mobile terminal of different self-organizing microgrid;
Distribution of multimedia information server, for storage and the issue of information resources, comprises the storage to all kinds of multimedia messages, information retrieval and inquiry service, multimedia plug-in management and download service;
Back-stage management server, provides system management function, and provides the state of graphical system to show according to the geographical location information of mobile terminal, and provides data security protecting according to Bluetooth gateway to user configured security strategy.
Further, mobile device finds, the configuration with security strategy is permitted in access: the periphery mobile node that mobile device is adjacent by bluetooth discovery, obtains the routing iinformation of the self-organizing microgrid that it is positioned at alternately with adjacent node.Mobile terminal is according to the routing iinformation getting adjacent node, in conjunction with its setting security strategy, organize its Multi-path route table, send microgrid and control interactive command and data, the multi-hop data realized based on microgrid routing table transmits, and is linked into the Bluetooth gateway of this technology.
Further, the routing table of self-organizing microgrid is the multipath weights tree routing table based on Huffman encoding, adopt the data communication route between each node in tree-shaped Multi-path route table statement self-organizing microgrid, for the security strategy in route information table, the communication load state of signal and node in self-organizing microgrid, different weights are given to the tree path of routing table, the node of self-organizing microgrid can according to real-time status, select optimum routed path and many sub-optimal paths, form the multipath weights tree routing table that this mobile terminal uses, realize between self-organized network nodes, data multi-hop transmission between the Bluetooth gateway of node and self-organizing microgrid.Suggestion, uses Huffman encoding to carry out compression coding to routing table, to save memory space and the retrieval time of routing table.
Further, the access information of the mobile terminal that back-stage management server utilizes Bluetooth gateway to detect, the routing iinformation of self-organizing microgrid, provide the Geographic mapping of mobile terminal.
Further, data relay server is used for mobile terminal data communication between multiple self-organizing microgrid, data relay and storage forwarding, and the data communication load balance of whole network system.
Further, distribution of multimedia information server comprises: the thesaurus of multimedia messages, in order to store all kinds of multimedia messages and relevant information description script; The thesaurus of multimedia messages player plug-in, in order to store the player plug-in of all kinds of multimedia messages, downloads with standby user and uses.
Further, this data security protecting comprises the privacy protection of at least one information in the attribute restricted information of the geographical location information of mobile terminal in self-organizing microgrid, the identity information of mobile terminal, data message that mobile terminal transmits, the restriction of transfer jumping figure, transit node.
Further, system management function comprises the registration of mobile terminal and the Data Privacy Protection Strategies configures, the instantaneous operating conditions of Bluetooth gateway is monitored, the instantaneous operating conditions of self-organizing microgrid is monitored, the geographical location information of mobile terminal and mobile status is monitored, multimedia information push state and related data are added up.
Further, this network system also comprises the multimedia messages display frame being configured at mobile terminal, achieves the presentation engine of multimedia messages, multimedia card i/f and plug-in management in this software frame.Distribution of multimedia information server pushes the definition script of multimedia messages to mobile terminal, and this script realizes broadcasting and the displaying of multimedia messages by the presentation engine being installed on mobile terminal.In addition, include the player plug-in of multimedia messages in display frame, downloading and playing plug-in unit can be selected as required.
Further, aforesaid back-stage management server Integrated GIS spatial data services, realize the visual presentation of position information of mobile terminal, based on the geographical spatial data service of the system integration, the mobile terminal real-time positioning information gathered by Bluetooth gateway, realizes real-time mobile terminal data graphical representation in background management system.
Further; Bluetooth gateway adopts the embedded system development of ARM chip; use LINUX to operate chip and the bluetooth protocol repertory of increasing income, realize the data communication of the access of mobile terminal and data retransmission, the management of self-organizing microgrid and control, the privacy protection of data, the propelling movement of multi-medium data and the node across Bluetooth gateway.
Further, aforesaid multi-medium data, comprises at least one in word, picture and speech data.
The present invention uses Bluetooth ad-hoc micronetwork to realize data redirect and the forwarding of mobile device, use Bluetooth gateway realizes the data communication between remote bluetooth terminal simultaneously, extend the coverage of multimedia propelling data, overcome Bluetooth transmission apart from short shortcoming, there is the advantage such as running fix, bluetooth access whenever and wherever possible, applied widely, terminal energy consumption is low, Individualized Notification Service, along with Intelligent mobile equipment the widely using as smart mobile phone with Bluetooth function, the present invention has application prospect widely.
Accompanying drawing explanation
Fig. 1 is the principle schematic of first embodiment of the invention.
Embodiment
In order to more understand technology contents of the present invention, institute's accompanying drawings is coordinated to be described as follows especially exemplified by specific embodiment.
As shown in Figure 1, according to the first embodiment of the present invention, based on running fix and the multimedia information push network system of bluetooth, comprising: multiple mobile terminal, it is provided with bluetooth module; Based on the self-organizing microgrid of bluetooth, it is based on the discovery of bluetooth communication protocol realization mobile terminal, the broadcast of mobile terminal route, the establishment of self-organizing microgrid routing table, upgrades and maintenance, and the multi-hop transfer of communication data; Bluetooth gateway, the transfer service of data and background server in the access of mobile terminal and self-organizing microgrid is provided, realizes judging towards the geographical location information of each mobile terminal in the privacy protection and self-organizing microgrid of data in the management and utilization, self-organizing microgrid of the multi-access point of self-organizing microgrid, self-organizing microgrid; Transfer server, provides the data relay towards the node across Bluetooth gateway, realizes the data communication be positioned between the mobile terminal of different self-organizing microgrid; Distribution of multimedia information server, for storage and the issue of information resources, comprises the storage to all kinds of multimedia messages, information retrieval and inquiry service, multimedia plug-in management and download service; Back-stage management server, provides system management function, and provides the state of graphical system to show according to the geographical location information of mobile terminal, and provides data security protecting according to Bluetooth gateway to user configured security strategy.
Mobile terminal, the such as mobile device such as smart mobile phone, handheld-type intelligent terminal, it is built-in or be attached with bluetooth module, is linked into by mobile terminal in self-organizing microgrid.Mobile terminal is in the spatial dimension of multimedia information push, be linked in back-stage management server and download and install bitcom for realizing self-organizing microgrid, this bitcom finds self-organizing microgrid, the route maintenance of self-organizing microgrid mutual with the routing iinformation of self-organizing microgrid adjacent node and the configuration etc. of security strategy for mobile terminal after installing.User carries out registering and configure to mobile terminal by this software, comprises the relevant information of user, user for the parameter of the aspect such as setting of the Preservation tactics of transfer of data and its data privacy, route redirect restriction and route transferring equipment.
The mobile terminal components of the present embodiment also comprises multimedia messages display frame, and this display frame comprises the presentation engine of multimedia messages, multimedia messages player plug-in management etc.The definition script of the multimedia messages that this presentation engine receiving system pushes, the multimedia resource according to describing in script is downloaded, and realizes display on mobile terminals with mutual.Include the player plug-in management of multimedia messages in display frame, downloading and playing plug-in unit can be selected as required, to download from distribution of multimedia information server and to install player plug-in.
Self-organizing microgrid, it is based on the discovery of bluetooth communication protocol realization mobile terminal, the periphery mobile node that mobile device is adjacent by bluetooth discovery, obtains the routing iinformation of the self-organizing microgrid that it is positioned at alternately with adjacent node.Mobile terminal is according to the routing iinformation getting adjacent node, and in conjunction with its setting security strategy, organize its Multi-path route table, send microgrid and control interactive command and data, the multi-hop data realized based on microgrid routing table transmits, and is linked into the Bluetooth gateway of this technology.
Mobile device in this technology self-organizing microgrid adopts the multipath weights tree routing table based on Huffman encoding, realizes the data communication in this microgrid between mobile terminal, between mobile terminal and Bluetooth gateway.Particularly, mobile terminal uses Bluetooth protocol to be adjacent node docking with mutual, obtain the routing table information of adjacent node, according to security strategy, the signal of institute's position micro-assembly robot net and the communication load state of node that this mobile terminal sets, different weights are given to the path of routing table, select optimal path and many sub-optimal paths, build the self-organizing microgrid routing table of mobile terminal, realize multi-hop data transmission.Preferably, Huffman encoding is used to carry out compression coding to routing table, to save memory space and the retrieval time of routing table.
In the present embodiment; Bluetooth gateway adopts the embedded system development of ARM chip; LINUX is used to operate chip and the bluetooth protocol repertory of increasing income; realize access and the data retransmission of mobile terminal; the management of self-organizing microgrid and control; the privacy protection of data, the propelling movement of multi-medium data and the data communication across Bluetooth gateway.
Bluetooth gateway; be deployed in the spatial dimension of multimedia information push; the transfer service of data and background server in the access of mobile terminal and self-organizing microgrid is provided, realizes judging towards the geographical location information of each mobile terminal in the privacy protection and self-organizing microgrid of data in the management and utilization, self-organizing microgrid of the multi-access point of self-organizing microgrid, self-organizing microgrid.
Transfer server, provides the data relay towards the node across Bluetooth gateway, realizes the data communication be positioned between the mobile terminal of different self-organizing microgrid.As shown in Figure 1, between the mobile terminal of different self-organizing microgrid, mutually can be found by this transfer server, information interaction etc., access in whole network system, user can, according to the position at its place, use mobile terminal to carry out personalization ground Information Selection and propelling movement.
Data relay server is used for the data communication of mobile terminal between multiple self-organizing microgrid, comprising: data relay, storage forwarding, and load balance.
Back-stage management server; system management function is provided; comprise the instantaneous operating conditions of system; the operating state of each Bluetooth gateway and data transmission scenarios; and visual real-time positioning information is shown; the execution of information pushing strategy and configuration etc., user management and provide data security protecting to user configured security strategy according to Bluetooth gateway.
Back-stage management server Integrated GIS spatial data services, the access information of the mobile terminal utilizing Bluetooth gateway to detect, the routing iinformation of self-organizing microgrid, there is provided the Geographic mapping of mobile terminal, the real-time positioning information based on mobile terminal provides the state of graphical system to show.
The privacy protection of the information such as data, the restriction of transfer jumping figure, the attribute restriction of transit node that in the present embodiment, data security protecting comprises the geographical location information of mobile terminal in self-organizing microgrid, the identity information of mobile terminal, mobile terminal transmit.
System management function comprises the registration of mobile terminal and the Data Privacy Protection Strategies configures, the instantaneous operating conditions of Bluetooth gateway is monitored, the instantaneous operating conditions of self-organizing microgrid is monitored, the geographical location information of mobile terminal and mobile status is monitored, multimedia information push state and related data statistics etc.
Distribution of multimedia information server, for storage and the issue of information resources, comprises all kinds of multimedia messages, such as word, voice and pictorial information etc., carries out storing, information retrieval and inquiry service, and the management of multimedia plug-in unit and download service.
Distribution of multimedia information server comprises: the thesaurus of multimedia messages, in order to store all kinds of multimedia messages and relevant information description script; The thesaurus of multimedia messages player plug-in, in order to store the player plug-in of all kinds of multimedia messages, with standby user according to its demand download and install and use.
The present invention uses Bluetooth ad-hoc micronetwork to realize data redirect and the forwarding of mobile device, use Bluetooth gateway realizes the data communication between remote bluetooth terminal simultaneously, extend the coverage of multimedia propelling data, overcome Bluetooth transmission apart from short shortcoming, there is running fix, bluetooth access whenever and wherever possible, the advantages such as Individualized Notification Service, the Internet is used than other, the multimedia push technology that the means of communications such as WIFI realize, the positioning precision of technical solution of the present invention is high, terminal energy consumption is low, wide accommodation, the dynamic expansion of self-organizing microgrid, reliability is high, transmission speed is fast, strong adaptability.Along with Intelligent mobile equipment the widely using as smart mobile phone with Bluetooth function, the present invention has application prospect widely at the information pushing in the places such as hospital, railway station, bus station.
The technical program adopts Bluetooth ad-hoc microgrid, by the routing iinformation to node, and the power of node signal, geographical location information by Bluetooth gateway can realize the accurate geographic space orientation of Bluetooth terminal, can provide more support for the social management function utilizing this technology platform to realize.
Above specification word and accompanying drawing are only explanation of the invention and explanation; in any form the present invention is not construed as limiting; protection scope of the present invention is as the criterion with claims; all do not exceed the apparent amendment of present inventive concept, conversion and replacement scheme, all in protection scope of the present invention.
Claims (6)
1., based on running fix and the multimedia information push network system of bluetooth, comprising:
Mobile terminal, it is provided with bluetooth module;
Based on the self-organizing microgrid of bluetooth, based on the discovery of bluetooth communication protocol realization mobile terminal, the broadcast of mobile terminal route, the establishment of self-organizing microgrid routing table, upgrade multi-hop transfer with maintenance and communication data;
Bluetooth gateway, the data relay service of mobile terminal and background server in the access of mobile terminal and self-organizing microgrid is provided, realizes judging towards the geographical location information of each mobile terminal in the privacy protection and self-organizing microgrid of data in the management and utilization, self-organizing microgrid of the multi-access point of self-organizing microgrid, self-organizing microgrid;
Transfer server, provides the data relay towards the node across Bluetooth gateway, realizes the data communication be positioned between the mobile terminal of different self-organizing microgrid;
Distribution of multimedia information server, for storage and the issue of information resources, comprises the storage to all kinds of multimedia messages, information retrieval and inquiry service, multimedia plug-in management and download service;
Back-stage management server, provides system management function, and provides the state of graphical system to show according to the geographical location information of mobile terminal, and provides data security protecting according to Bluetooth gateway to user configured security strategy;
The routing table of self-organizing microgrid is the multipath weights tree routing table based on Huffman encoding, adopt the data communication route between each node in tree-shaped Multi-path route table statement self-organizing microgrid, for the communication load state of signal and node in the security strategy in route information table, self-organizing microgrid, different weights are given to the tree path of routing table, the node of self-organizing microgrid can according to real-time status, select optimum power to plant the path of data, realize between self-organized network nodes, data multi-hop transmission between node and the Bluetooth gateway of self-organizing microgrid;
Huffman encoding is used to carry out compression coding to routing table, to save memory space and the retrieval time of routing table;
The access information of the mobile terminal that described back-stage management server utilizes described Bluetooth gateway to detect, the routing iinformation of self-organizing microgrid, carry out Geographic mapping to the mobile terminal of this access; Described data relay server realizes data relay between the mobile terminal of different self-organizing microgrid and storage forwarding, and load balance;
Described data security protecting comprises the privacy protection of at least one information in the attribute restricted information of the geographical location information of mobile terminal in self-organizing microgrid, the identity information of mobile terminal, data message that mobile terminal transmits, the restriction of transfer jumping figure, transit node.
2. the running fix based on bluetooth according to claim 1 and multimedia information push network system, it is characterized in that, described distribution of multimedia information server comprises: the thesaurus of multimedia messages, stores all kinds of multimedia messages and information description script; The thesaurus of multimedia messages player plug-in, stores the player plug-in of multimedia messages.
3. the running fix based on bluetooth according to claim 1 and multimedia information push network system; it is characterized in that; described back-stage management server, provides that the registration of mobile terminal and the Data Privacy Protection Strategies configure, the instantaneous operating conditions of Bluetooth gateway is monitored, the instantaneous operating conditions of self-organizing microgrid is monitored, the geographical location information of mobile terminal and mobile status is monitored, the system management function of at least one in multimedia information push state and data statistics.
4. the running fix based on bluetooth according to claim 1 and multimedia information push network system, it is characterized in that, also comprise multimedia messages and show software frame, the presentation engine of multimedia messages, multimedia card i/f and plug-in management is realized in this software frame, the definition script of the multimedia messages that described distribution of multimedia information server pushes to mobile terminal, realizes playing and showing by this presentation engine.
5. the running fix based on bluetooth according to claim 1 and multimedia information push network system, it is characterized in that, the visual presentation of described position information of mobile terminal, described back-stage management server Integrated GIS spatial data services, the mobile terminal real-time positioning information gathered by Bluetooth gateway, realizes real-time mobile terminal data graphical representation.
6. the running fix based on bluetooth according to claim 1 and multimedia information push network system; it is characterized in that; described Bluetooth gateway adopts the embedded system development of ARM chip; use LINUX to operate chip and the bluetooth protocol repertory of increasing income, realize the data communication of the access of mobile terminal and data retransmission, the management of self-organizing microgrid and control, the privacy protection of data, the propelling movement of multi-medium data and the node across Bluetooth gateway.
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