CN103442459A - Network access system for public transportation - Google Patents
Network access system for public transportation Download PDFInfo
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- CN103442459A CN103442459A CN201310338310XA CN201310338310A CN103442459A CN 103442459 A CN103442459 A CN 103442459A CN 201310338310X A CN201310338310X A CN 201310338310XA CN 201310338310 A CN201310338310 A CN 201310338310A CN 103442459 A CN103442459 A CN 103442459A
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Abstract
The invention provides a network access system for public transportation. The network access system for public transportation comprises a remote control center and a plurality of WLAN base stations. Each WLAN base station has access to the internet through a cellular network base station of a 3G network, and the remote control center has access to the internet as well and is in communication with each WLAN base station through a general routing packaging channel; the remote control center comprises a wireless control server and a database and a public transportation WLAN management platform is deployed by the remote control center and used for managing and maintaining each WLAN base station. The network access system for public transportation can satisfy the requirements that multiple users can surf the internet simultaneously and high-definition videos in a wireless network can be played. The network access system for public transportation is simple in structure, convenient to install, rapid in installation and stable in performance; unified management and maintenance can be conducted and various network attacks or other emergencies can be prevented.
Description
Technical field
The present invention relates to the communication technology and Internet technical field, specifically, the present invention relates to a kind of network access system for public transport.
Background technology
Along with the universal expansion that reaches network application of smart machine, panel computer, people are usually to use these terminal equipments to carry out amusement and recreation taking public transport.But there is no the covering of WIFI in public transport, the 2G networking speed is slow, utilance is on the low side on the one hand for 3G online, somewhat expensive on the other hand, and watching the audio-visual required expense of video by mobile phone or panel computer is that the general user is difficult to burden.
The E5 of Huawei is a kind of mobile router that can access 3G network, and it can, as in car, realize multi-user WIFI online.Yet the E5 of Huawei can only support at most 5 users, the WIFI that can not meet in public transport covers demand.And the E5 of Huawei can't carry out unified management and maintenance and take precautions against diverse network and attack or other accident.
Also there is the vehicle-mounted WIFI equipment of other in prior art, for example: Chinese patent application 201110436866.3,201120265643.0,200910087866.X, yet they are not for the public transportation system design, all are difficult to support that a plurality of users surf the Net simultaneously, and can't carry out unified management and maintenance, running into the situation of device fails, can only arrive the place of erection unit and be keeped in repair.In addition, they also are difficult to take precautions against diverse network attack or other accident.
Summary of the invention
The objective of the invention is to propose a kind of network access system for public transport, make the user that takes public transport accessing Internet easily, meet its various amusement and recreation demands.
According to an aspect of the present invention, a kind of network access system for public transport has been proposed, comprise remote control center and a plurality of WLAN base station, each WLAN base station is by the cellular network base station connecting Internet of 3G network, remote control center is accessing Internet also, and by generic route encapsulation passage and each WLAN base station communication; Remote control center comprises radio control server and database, and remote control center is disposed public transport WLAN management platform, for administering and maintaining each WLAN base station.
Wherein, the WLAN base station comprises WAP (wireless access point), media server and 3G assembly, described WAP (wireless access point) comprises the WIFI module, described WIFI module is converted to public WIFI signal by the 3G signal, the WIFI module is as translating bridge, at link layer, the frame from different medium is changed and bridge joint, wireless data is bridged in internet by 3G network; Described media server is connected with described WAP (wireless access point), and the stream-type video service system of described media server based on http protocol, transmit the streaming media data by http protocol, thereby realizes transmission and the broadcasting of HD video.
Wherein, described media server is connected to the WIFI module by LAN, thereby realizes the wireless universal broadcasting.
Wherein, described media server comprises risc processor and connected synchronous DRAM, main storage, flash memory, safe digital card and real-time clock module, risc processor has asynchronous serial communication interface and ethernet controller, is respectively used to connect serial port and local area network (LAN).
Wherein, described WAP (wireless access point) comprises risc processor and connected synchronous DRAM, main storage, flash memory, real-time clock module, radio modem and 3G assembly.Risc processor has asynchronous serial communication interface and ethernet controller, is respectively used to connect serial port and local area network (LAN).
Wherein, described remote control center is disposed public transport WLAN management platform and regularly to base station, is sent instruction, and described WLAN base station sends feedback information according to command content to management platform, reports the state of oneself.
Wherein, described remote control center deployment public transport WLAN management platform is used the encryption method of IPSec to be encrypted the generic route encapsulation passage.
Wherein, described public transport WLAN management platform is implemented the user and is authenticated, and plays gateway function between WLAN base station and the Internet, will be converged from the data of diverse access point, accessing Internet.
Compared with prior art, the present invention has following technique effect:
1, can support the demand that the multi-user surfs the Net simultaneously, can support that the HD video in wireless network is play.
2, simple in structure, quick and easy for installation, stable performance.
3, can carry out unified management and maintenance and take precautions against diverse network and attack or other accident.
The accompanying drawing explanation
The structural representation of the network access system for public transport that Fig. 1 is one embodiment of the invention;
The structural representation that Fig. 2 is the WLAN base station in one embodiment of the invention;
The structural representation that Fig. 3 is the media server in one embodiment of the invention;
The structural representation that Fig. 4 is the WAP (wireless access point) in one embodiment of the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, describe the present invention.
Fig. 1 shows the schematic diagram of the network access system for public transport of one embodiment of the invention, this network access system comprises remote control center and a plurality of WLAN base station, each WLAN base station is by the cellular network base station connecting Internet of 3G network, remote control center is accessing Internet also, and by generic route encapsulation passage (GRE Tunnel) and each WLAN base station communication.
Remote control center comprises radio control server (Access Controller, AC) and database.Remote control center is disposed public transport WLAN management platform, and for administering and maintaining each WLAN base station, its concrete methods of realizing will be described in more detail below.
Fig. 2 shows the structural representation of a WLAN base station in embodiment.The WLAN base station comprises WAP (wireless access point) (Access Point, AP), media server (Media Server) and 3G assembly.The 3G assembly comprises: TDSDMA, the modules such as WCDMA, be connected by the PCIE bus with AP, for the 3G network of access carrier.The WLAN base station is converted to public WIFI signal by the WIFI module by the 3G signal.The WIFI module, as translating bridge, is changed and bridge joint the frame from different medium at link layer, and wireless data is bridged in internet by 3G network.The stream-type video service system of multimedia server based on http protocol, transmit the streaming media data by http protocol, thereby realize transmission and the broadcasting of HD video.The form that video playback adopts random position to play, a time point that can be random from play content starts to play.Media Server is connected to the WIFI module by LAN, thereby realizes the wireless universal broadcasting.The user uses the terminal equipment of supporting http protocol just can access vehicle-mounted WLAN base station by wireless network and views and admires the HD video that built-in Media Server provides.In one embodiment, Media Server realizes 3 key elements of needs of the function that HD video is play: server end, client and stream-type video content.Server end provides the service of customer in response end request, to client transmissions stream-type video data; Client is initiated the request to particular content to service end, and accepts the stream data come by wireless network transmissions.The stream-type video content is the video data file with the certain format coding, the special file that its form of expression is separate, stored.The stream-type video content adopts general format.Content of multimedia is read the multimedia server provided and is automatically upgraded from east by internet.
With reference to figure 3, at a concrete hardware, realize, Media Server comprises risc processor and connected synchronous DRAM, main storage, flash memory, safe digital card and real-time clock module, main storage is used for depositing the Software Mirroring of whole system, flash memory is used for the configuration of saved system, and safe digital card is for depositing content of multimedia.Risc processor has asynchronous serial communication interface and ethernet controller, is respectively used to connect serial port and local area network (LAN).Serial communication interface is for debugging.Media Server is used for the coding and decoding of content of multimedia and the multimedia service is provided.
With reference to figure 4, at a concrete hardware, realize, AP comprises risc processor and connected synchronous DRAM, main storage, flash memory, real-time clock module, radio modem (can adopt the chip based on 802.11 agreements) and 3G assembly.Risc processor has asynchronous serial communication interface and ethernet controller, is respectively used to connect serial port and local area network (LAN).
In above-described embodiment, the public transport WLAN management platform of being disposed by remote control center administers and maintains each WLAN base station.The public transport WLAN management platform that is positioned at data center realizes monitoring and management by IP network: (1). the WLAN base station running status on the monitoring public transport, and realize the remote base stations maintenance function.(2). monitor user's service condition of each WLAN base station.(3). centralized configuration and management WLAN base station.(4). concentrate real-time upgrading software.
Management platform regularly sends instruction to base station, frequency be every 10 seconds once, base station sends feedback information according to command content to management platform, reports the state of oneself.The staff of data center judges according to the data of returning whether base station work is normal.The generic route encapsulation of public transport WLAN management platform (GRE Tunnel) can transmit the multipoint sending data bag; Use the encryption method of IPSec to be encrypted GRE Tunnel, for safety office subsystem provides a safe and reliable VPN.Public transport WLAN management platform can be implemented the user and authenticate, and plays gateway function between WLAN and Internet, will be converged, access Internet from the data of diverse access point.
In one embodiment, the method for public transport WLAN management platform monitoring WLAN base station is as follows:
The Wlan base station can, regularly by own inner state information, be transferred to remote control center by udp protocol.The transmission of these data does not need remote control center to be responded.The Wlan base station sends to the data type of remote control center to comprise:
Active user's information: user's IP address, MAC Address, the information such as flow;
The radio network information that current Wlan base station scans obtains: AP information on every side, disturbed condition, the information such as the attack detected;
Remote control center, after finding by software upgrading or config update, can send to the Wlan base station upgrading order, and after Wlan receives base station the upgrading order, the information that can carry according to order, download software and configuration from the position of appointment, upgrade, and autoboot.
System of the present invention has realized the functions such as Wireless Mobile Office, wireless Internet access and amusement in car.Be installed on public transport, what can meet the passenger surfs the web, watches the functions such as video.The passenger who takes public friendship only need have the equipment with the WIFI function, by native system, just can be joined seamlessly to Internet whenever and wherever possible, realizes various types of network functions; Also can be connected on the multimedia platform that native system carries, watch built-in multimedia video and browse built-in Domestic News.
Compared with prior art, the present invention has many advantages, is specifically described as follows:
1. creativeness has been released built-in multimedia video broadcasting.
Current in-vehicle wireless device can only provide the function of online, and east is read onboard wireless the multimedia video broadcasting also is provided, only need to connect native system with wireless network, can the built-in multimedia hub of connection device, arbitrarily program request HD video.Exquisite smooth picture makes the user can enjoy the comfortable and efficient of the amusement and recreation of being in.The renewal of film source is convenient and swift equally, only needs the periodic replacement storage medium to get final product.The advanced renewal along with software, but real-time update film source, realize by several functions such as program request rate sequences.
2. distinctive management platform
Can control apparatus remote, management and software upgrading, without implementing to upgrade to each point, only need Telnet to realize.The state of equipment can be detected in real time, management AP, be configured; For the AP that runs into fault, but remote reboot, detection failure reparation (except the hardware damage).Can also detect user's service condition simultaneously, if any how many users, use native system simultaneously, which is the period that occupancy is higher period, can do corresponding adjustment according to user's demand.A control appliance can connect at most 512 chassis and carry equipment.
3, provide special VPM passage to realize the public transport internal control, realize efficient wireless office.As driver's work attendance, driver's the situation of relieving, the ruuning situation of car load, thus realize the operational management of public transport group internal.Priority can be set, office data is preferentially sent.So this product mainly for be the user of enterprise-level, and the onboard wireless product on market mainly for be the personal user.
For more being convenient to understand, table 1 has provided the contrast of WLAN of the present invention base station and the E5 of Huawei.
Table 1
Finally it should be noted that, above embodiment is only in order to describe technical scheme of the present invention rather than the present technique method is limited, the present invention can extend to other modification, variation, application and embodiment in application, and therefore thinks that all such modifications, variation, application, embodiment are in spirit of the present invention and teachings.
Claims (8)
1. the network access system for public transport, comprise remote control center and a plurality of WLAN base station, each WLAN base station is by the cellular network base station connecting Internet of 3G network, and remote control center is accessing Internet also, and by generic route encapsulation passage and each WLAN base station communication; Remote control center comprises radio control server and database, and remote control center is disposed public transport WLAN management platform, for administering and maintaining each WLAN base station.
2. the network access system for public transport according to claim 1, it is characterized in that, the WLAN base station comprises WAP (wireless access point), media server and 3G assembly, described WAP (wireless access point) comprises the WIFI module, described WIFI module is converted to public WIFI signal by the 3G signal, the WIFI module, as translating bridge, is changed and bridge joint the frame from different medium at link layer, and wireless data is bridged in internet by 3G network; Described media server is connected with described WAP (wireless access point), and the stream-type video service system of described media server based on http protocol, transmit the streaming media data by http protocol, thereby realizes transmission and the broadcasting of HD video.
3. the network access system for public transport according to claim 2, is characterized in that, described media server is connected to the WIFI module by LAN, thereby realize the wireless universal broadcasting.
4. the network access system for public transport according to claim 1, it is characterized in that, described media server comprises risc processor and connected synchronous DRAM, main storage, flash memory, safe digital card and real-time clock module, risc processor has asynchronous serial communication interface and ethernet controller, is respectively used to connect serial port and local area network (LAN).
5. the network access system for public transport according to claim 1, it is characterized in that, described WAP (wireless access point) comprises risc processor and connected synchronous DRAM, main storage, flash memory, real-time clock module, radio modem and 3G assembly; Risc processor has asynchronous serial communication interface and ethernet controller, is respectively used to connect serial port and local area network (LAN).
6. the network access system for public transport according to claim 1, it is characterized in that, described remote control center is disposed public transport WLAN management platform and regularly to base station, is sent instruction, described WLAN base station sends feedback information according to command content to management platform, reports the state of oneself.
7. the network access system for public transport according to claim 6, is characterized in that, described remote control center is disposed public transport WLAN management platform and used the encryption method of IPSec to be encrypted the generic route encapsulation passage.
8. the network access system for public transport according to claim 7, it is characterized in that, described public transport WLAN management platform is implemented the user and is authenticated, and plays gateway function between WLAN base station and the Internet, will be converged from the data of diverse access point, accessing Internet.
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| CN201310338310.XA CN103442459B (en) | 2013-08-05 | 2013-08-05 | A kind of network access system for public transport |
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| CN201310338310.XA CN103442459B (en) | 2013-08-05 | 2013-08-05 | A kind of network access system for public transport |
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| CN103442459A true CN103442459A (en) | 2013-12-11 |
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| CN103973776A (en) * | 2014-04-17 | 2014-08-06 | 黄叶芳 | Wireless remote control system allowing people to directly observe online shopping distribution |
| CN103973775A (en) * | 2014-04-17 | 2014-08-06 | 黄叶芳 | Online shopping distribution wireless remote control system |
| CN105471592A (en) * | 2016-01-04 | 2016-04-06 | 中科恒源科技股份有限公司 | Novel public Wi-Fi system |
| CN106851860A (en) * | 2017-02-21 | 2017-06-13 | 安徽中瑞通信科技股份有限公司 | A kind of wireless aps control system |
| CN112261479A (en) * | 2020-09-16 | 2021-01-22 | 四川天翼网络服务有限公司 | Railway communication scheduling system and method |
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| GB2397471A (en) * | 2003-01-03 | 2004-07-21 | Paul Ronald Stock | WLAN and vessel monitoring in a harbour |
| CN201437348U (en) * | 2009-05-22 | 2010-04-14 | 触动多媒体技术（上海）有限公司 | Vehicle multimedia interaction equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103973776A (en) * | 2014-04-17 | 2014-08-06 | 黄叶芳 | Wireless remote control system allowing people to directly observe online shopping distribution |
| CN103973775A (en) * | 2014-04-17 | 2014-08-06 | 黄叶芳 | Online shopping distribution wireless remote control system |
| CN105471592A (en) * | 2016-01-04 | 2016-04-06 | 中科恒源科技股份有限公司 | Novel public Wi-Fi system |
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| CN112261479A (en) * | 2020-09-16 | 2021-01-22 | 四川天翼网络服务有限公司 | Railway communication scheduling system and method |
| CN112261479B (en) * | 2020-09-16 | 2024-01-30 | 四川天翼网络股份有限公司 | Railway communication scheduling system and method |
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| CN103442459B (en) | 2016-04-13 |
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