CN204259105U - A kind of onboard wireless system of marshaling - Google Patents

Abstract

The onboard wireless system of a kind of marshaling of the present utility model, first configuration two-server in compartment is often saved, the built-in wireless Double RF AP of every station server, wherein 2.4GHz frequency range is used for the WIFI covering of network in compartment, and 5.8GHz frequency range is used for the wireless connections between compartment; The built-in big capacity hard disk of every station server, stores a large amount of video resources in hard disk.Except server, often save in compartment and two all-around top absorbing antennas are installed, for the network coverage in compartment; The outer bottom junction often saving compartment also installs two to totally 4 plate antennas, for realizing the wireless connections between compartment.This onboard wireless system follows IEEE802.11n consensus standard, and system equipment supports MIMO technique.

Description

A kind of onboard wireless system of marshaling

Technical field

The utility model relates to the onboard wireless system of a kind of more piece compartment marshaling, it is the wireless system that can cover whole train, vehicle-mounted server can provide the video information of a large amount of Gong downloads and viewing, ensures passenger's online demand while taking a bus and entertainment life.

Background technology

The distinct characteristic of network times is that the city mankind be unable to do without network substantially, track traffic is as the main vehicles of modern city, ensure the friendly network provisioning in track train, both can improve service quality by bus, the growing recreation of passenger can be met again.First friendly network provisioning should ensure high-quality wireless coverage in marshalling compartment, the video high-speed downloads that secondly also some should be able to be provided free for passenger and viewing, blocking up when directly watching video information from video website to avoid passenger.At present, conventional in track traffic train radio system mainly depends on the wireless site in trackside traffic system.This train radio system is difficult to ensure not interrupting of wireless connections, and the performance of network is general not high yet.Passenger needs configuration network repeatedly in riding process, and in most cases, passenger can not with being intended to roam in compartment.In addition, existing train radio system can't provide high-speed downloads and the viewing of video information for passenger, because the stability of wireless transmission not easily ensures, therefore be difficult by the viewing video information of video website smoothness, had a strong impact on the entertainment life of passenger in riding process.

Wireless aps builds the indispensable part of Radio Network System.Wireless aps (AP, Access Point, wireless access node, session point or access bridger) be one and comprise very wide title, it not only comprises pure WAP (wireless access point), is the general designation of the kind equipments such as wireless router (containing radio network gateway, wireless bridge) too.It mainly provides wireless stations to cable LAN with from the access of cable LAN to wireless stations, and the wireless stations in access points coverage can be intercomed mutually by it.According to different power, wireless aps can realize in various degree, the network coverage of different range, and the in-door covering distance of general wireless aps is 100 meters, and outdoor largest coverage distance can reach 300 meters.

Pure wireless aps also can do necessary control and management to the computer that wireless network card is housed.Namely pure wireless aps can be passed through 10base-T (WAN) port and directly be connected with ADSL MODEM or CABLEMODEM (CM) of built-in routing function, also can have access to spider lines again by switches/hubs, broadband router in use.

Summary of the invention

In order to the train radio system overcome in conventional Rail Transit System depends on the problem of the radio transceiver station of trackside traffic system more, the utility model provides a kind of onboard wireless system of marshaling, this system has taken into full account the particularity of motor train unit train, the service quality by bus of passenger can be improved better, meet the entertainment life needs that passenger is growing.

The technical problems to be solved in the utility model is the onboard wireless system covering problem of track train.

The onboard wireless system of marshaling of the present utility model comprises server, hard disk, all-around top absorbing antenna and plate antenna;

Two-server is configured, the built-in wireless Double RF AP of every station server: the WIFI that 2.4GHz frequency range is wherein used for network in compartment covers, and 5.8GHz frequency range is used for the wireless connections between compartment in the often joint compartment of marshaling; All wireless Double RF AP in each server configures identical service set (SSID), ensures that passenger can be roamed arbitrarily after being logged in by mobile device in compartment.

Every station server built-in hard disk, stores a large amount of video resources in hard disk.

Often save in compartment and two all-around top absorbing antennas are installed, for the network coverage in compartment;

The outer bottom junction often saving compartment also installs two to totally 4 plate antennas, for realizing the wireless connections between compartment.

Connection between compartment adopts automatic compartment interconnection technique, when compartment marshalling changes, automatically can disconnect and the wireless network be connected between compartment, without the need to manually configuring again, realize compartment and automatically organizing into groups function.

This onboard wireless system follows IEEE802.11n consensus standard, and system equipment supports MIMO technique, allows multiple antenna to send simultaneously and receives multiple information, and can distinguish and to mail to or from the signal in different spaces orientation.

Effect of the present utility model and benefit are: in the onboard wireless system of the utility model design, the application of multiaerial system, makes multiple parallel data flow to transmit simultaneously, simultaneously, adopt multiple antennas at transmitting terminal or receiving terminal, significantly can overcome the decline of channel, lower the error rate.This system adopts automatic compartment interconnection technique, when compartment marshalling changes, automatically can disconnect and the wireless network be connected between compartment, without the need to manually configuring again, achieve compartment and automatically organizing into groups function.This system, by AP in Servers-all is arranged identical service set, ensures that passenger can roam arbitrarily with after mobile device logging in network in compartment.In a word, this system has taken into full account the particularity of motor-car marshaling, effectively can improve service quality by bus, meet the entertainment life requirement that passenger is growing, the innovative idea embodied, enables train meet the demand of passenger's high-quality, high safety, high benefit better.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of one 8 joint compartment marshaling.

Fig. 2 is train radio system local structural graph, be with two joint compartments between compartments connect and compartment in WIFI be covered as example so that the structure of train radio system to be described.

Embodiment

In order to understand the technical solution of the utility model better, below in conjunction with accompanying drawing, the technical solution of the utility model is described in detail.Figure 1 shows that the basic schematic diagram of a bullet train, have 8 joint compartments in figure, reality compartment joint number when applying needs determine as the case may be.

Fig. 2 gives the internal configurations schematic diagram often saving compartment, and radio communication schematic diagram between compartment.Often saving in compartment the server all installing two built-in wireless Double RF AP, the WIFI that wherein 2.4GHz frequency range is used for network in compartment covers, and 5.8GHz frequency range is used for the wireless connections between compartment.If press shown in Fig. 1, train has 8 joint compartments, and so 16 station servers installed by car load, and the built-in one piece of 500G hard disk of every station server, for storing the local video information such as film, TV play, can log in download and program request viewing for passenger.

Calculate with 1024*768 resolution, the 2 hours films in every portion are about 800M, and 500G capacity can store 600 multi-section films;

Calculate with 1280*1024 resolution, the 2 hours films in every portion are about 1.5G, and 500G capacity can store 320 multi-section films;

Calculate with 720P high definition resolution, the 2 hours films in every portion are about 4G, and 500G capacity can store 120 multi-section films.

The list of every station server built in video, can upgrade video information in hard disk according to the demand timing of passenger between server, for ensureing that passenger can roam arbitrarily, the video in every station server is consistent.

Except vehicle-mounted server, often save car body top and install 2 all-around top absorbing antennas, ceiling mount antenna is used for the covering of network in compartment.By vehicle-mounted AP being arranged identical SSID (service set), if ensure, passenger walks after employing mobile phone or PAD logging in online in compartment, can realize the normal roaming route handoff between AP.Also respectively install 2 to 4 thin plate antennas at the bottom junctions often saving compartment, thin plate antenna is for realizing the wireless connections between compartment.Wireless connections between compartment adopt automatic compartment interconnection technique, when compartment marshalling changes, automatically can disconnect and the wireless network be connected between compartment, without the need to manual configuration, achieve compartment and automatically organize into groups function.The wireless network this ensures that thered in train four corner covers.

System follows IEEE802.11n consensus standard, and actual bandwidth can reach 150M in theory.System equipment supports MIMO technique, namely allows multiple antenna to send simultaneously and receives multiple information, and can distinguish and to mail to or from the signal in different spaces orientation.In order to ensure the service quality of whole train radio system, in system, be also configured with corresponding management software, as logged in management, passenger after searching wireless network, just need the custom system of game server can download/watch video information in server.Passenger, after logging in, random walking can not affect its Entered state in compartment.What log in that management is provided with passenger logs in the term of validity, before the deadline, if passenger closes mobile device, does not affect its Entered state when again opening, if but exceeded and log in the term of validity, all need again to log in.

Claims (1)

1. an onboard wireless system for marshaling, is characterized in that, comprises server, hard disk, all-around top absorbing antenna and plate antenna;

Configure two-server in the often joint compartment of marshaling, be built in the wireless Double RF AP of every station server: the WIFI that 2.4GHz frequency range is wherein used for network in compartment covers, and 5.8GHz frequency range is used for the wireless connections between compartment; All wireless Double RF AP in each server configures identical service set SSID, ensures that passenger can be roamed arbitrarily after being logged in by mobile device in compartment;

Every station server built-in hard disk, stores a large amount of video resources in hard disk;

Often save in compartment and two all-around top absorbing antennas are installed, for the network coverage in compartment;

The outer bottom junction often saving compartment also installs two to totally 4 plate antennas, for realizing the wireless connections between compartment;

Connection between compartment adopts automatic compartment interconnection technique, when compartment marshalling changes, automatically can disconnect and the wireless network be connected between compartment, without the need to manually configuring again, realize compartment and automatically organizing into groups function;

This onboard wireless system follows IEEE802.11n consensus standard, and system equipment supports MIMO technique, allows multiple antenna to send simultaneously and receives multiple information, and can distinguish and to mail to or from the signal in different spaces orientation.