CN218550197U

CN218550197U - Traffic field mobile communication system

Info

Publication number: CN218550197U
Application number: CN202122037116.0U
Authority: CN
Inventors: 丁哲壮; 马英兴; 祝实; 谢广付; 唐海波
Original assignee: Taicang T&W Electronics Co Ltd
Current assignee: Taicang T&W Electronics Co Ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2023-02-28
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses a traffic field mobile communication system, including user network, access network and internet, user network passes through the antenna and links to each other with the access network, and the access network passes through radio communication's mode and links to each other with the internet. The user network comprises a central compartment local area network and a plurality of compartment local area networks, wherein the central compartment local area network comprises a vehicle-mounted antenna VMA, a central server CVS connected with the vehicle-mounted antenna VMA, a vehicle-mounted switch VSW connected with the central server CVS, a single vehicle server LVS connected with the vehicle-mounted switch VSW, a 4G/5G small base station and an AP connected with the single vehicle server LVS, the compartment local area network and the central compartment local area network are different in that the vehicle-mounted antenna VMA and the central server CVS do not exist, adjacent vehicle-mounted switches VSW are interconnected, an access network comprises a satellite, and the satellite is respectively in communication connection with the vehicle-mounted antenna VMA and the Internet. The wireless network coverage problem of three public transport means of trains, ships and airplanes is realized, and passengers can access the Internet when taking a bus.

Description

Traffic field mobile communication system

Technical Field

The utility model relates to a traffic communication technical field especially relates to a traffic field mobile communication system.

Background

Mobile communication base stations are currently deployed mainly in land-based personnel-intensive areas. And the connection with the core network is realized by adopting an optical fiber backhaul mode.

Vehicles such as maritime ferries and airplanes operate far from the land, and therefore land base stations cannot cover the vehicles, which also makes it difficult to achieve wireless communication coverage on the vehicles.

At present, the high-speed rail in China is widely covered, and a large number of communication base stations need to be covered along the high-speed rail to realize the full mobile communication coverage along the high-speed rail. At present, 4G wireless communication signal coverage is approximately realized along high-speed rails in China. At present, 5G mobile signal coverage cannot be realized. When the vehicles such as airplanes, high-speed rails and ships are far away from the ground base station, 5G communication is not supported for passengers.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a traffic field mobile communication system to the not enough of above-mentioned prior art.

In order to solve the above problems, the utility model adopts the following technical proposal:

a mobile communication system in the traffic field comprises a user network, an access network and the Internet, wherein the user network is connected with the access network through an antenna, and the access network is connected with the Internet in a wireless communication mode;

the user network comprises a central compartment local area network and a plurality of compartment local area networks connected with the central compartment local area network, the central compartment local area network comprises a vehicle-mounted antenna VMA, a central server CVS connected with the vehicle-mounted antenna VMA, a vehicle-mounted switch VSW connected with the central server CVS, a single vehicle server LVS connected with the vehicle-mounted switch VSW, and a 4G/5G small base station and an AP connected with the single vehicle server LVS, the compartment local area network and the central compartment local area network are different in that the vehicle-mounted antenna VMA and the central server CVS are not arranged, adjacent vehicle-mounted switches VSW are interconnected, the access network comprises a satellite, and the satellite is in communication connection with the vehicle-mounted antenna VMA and the Internet respectively.

According to a further technical scheme, the access network further comprises an LTE base station, and the LTE base station is respectively in communication connection with the vehicle-mounted antenna VMA and the Internet.

According to a further technical scheme, the access network further comprises an in-station AP, the mobile communication system in the traffic field further comprises a data center, and the data center is in communication connection with the in-station AP and the Internet respectively.

According to a further technical scheme, the data center comprises a router, a core switch connected with the router, and a portal system, a service system and an operation and maintenance system connected with the core switch.

A firewall is further arranged between the router and the core switch.

A further technical solution is that adjacent vehicle switches VSW are interconnected via gigabit ethernet.

The further technical scheme is that the vehicle-mounted antenna VMA is integrated with a 4G antenna, a GPS/Beidou unit antenna and a STA mode WiFi antenna.

Further technical solution is that the central server CVS is integrated with a router, a switch, an application service, public network communication, and a firewall unit, and reserves an expandable space.

A further technical scheme is that the bicycle server LVS is integrated with an application service and a PoE switch unit, and an expandable space is reserved.

According to a further technical scheme, the AP is integrated with 2 access points, including 1 2.4GHz access point and 1 5.8GHz access point.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

(1) The wireless network coverage problem of three public transport means of trains, ships and planes is realized, and passengers can access the Internet when taking a bus.

(2) By sinking the video resources and the like of the hot spots into the vehicle-mounted server, the downloading speed of the hot spot resources can be ensured, and the smooth use of the video resources is ensured.

Drawings

FIG. 1 is a schematic diagram of a CPE backhaul scheme;

FIG. 2 is a schematic diagram of a satellite link backhaul;

fig. 3 is a system diagram of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Fig. 1 is a schematic diagram of a CPE backhaul method. The CPE backhaul approach is mainly directed to situations where a base station is present within the operating range of the vehicle. For example, 4G LTE signals are basically covered along the railway in China at present. Therefore, the LTE base station along the line can be accessed through the CPE module, and the link is used as a return link. The LTE CPE module and the LTE 4G/5G small base station adopt Ethernet communication. The LTE 4G/5G small base station provides internet access for the mobile phone.

Fig. 2 is a schematic diagram of a satellite link backhaul. The satellite link return mainly uses a satellite as a relay to realize a data return mode, and the basic structure of the satellite link return is shown in the figure.

As shown in fig. 3, a mobile communication system in the traffic field is disclosed, which includes a user network, an access network and the internet, wherein the user network is connected to the access network through an antenna, and the access network is connected to the internet through a wireless communication mode;

the user network comprises a central compartment local area network and a plurality of compartment local area networks connected with the central compartment local area network, the central compartment local area network comprises a vehicle-mounted antenna VMA, a central server CVS connected with the vehicle-mounted antenna VMA, a vehicle-mounted switch VSW connected with the central server CVS, a single-vehicle server LVS connected with the vehicle-mounted switch VSW, and a 4G/5G small base station and an AP connected with the single-vehicle server LVS, the compartment local area network and the central compartment local area network are different in that the vehicle-mounted antenna VMA and the central server CVS do not exist, adjacent vehicle-mounted switches VSW are interconnected through a gigabit Ethernet, the access network comprises satellites, and the satellites are respectively in communication connection with the vehicle-mounted antenna VMA and the Internet.

The vehicle-mounted antenna VMA is integrated with a 4G antenna, a GPS/Beidou unit antenna and a WiFi antenna in an STA mode. The central server CVS is integrated with a router, a switch, an application service, public network communication and a firewall unit, and an expandable space is reserved. And the single-vehicle server LVS is integrated with an application service and a PoE switch unit, and an expandable space is reserved. The AP integrates 2 access points, including 1 2.4GHz access point and 1 5.8GHz access point.

And (4) deploying a server on the vehicle, and transmitting the related video data to the vehicle-mounted server. And if the data of related videos such as the Tencent video and the like, music and the like are stopped on the land, uploading the data to the server.

Preferably, the access network further comprises an LTE base station and an in-station AP, and the traffic field mobile communication system further comprises a data center, wherein the LTE base station is in communication connection with the vehicle-mounted antenna VMA and the internet respectively. And the data center is respectively in communication connection with the in-station AP and the Internet. The whole train can access the Internet by adopting an LTE base station and/or a satellite. Ships and airplanes use satellites to access the internet.

The data center comprises a router, a core switch connected with the router, and a portal system, a service system and an operation and maintenance system connected with the core switch. And a firewall is also arranged between the router and the core switch. The router is used for providing IP routing, network access and safety protection. The method is as follows. The firewall is used for providing safety protection. The operation and maintenance system is used for providing operation and maintenance management of all equipment of the train network, and comprises an encryption channel server, an authentication server, an operation and maintenance management server, a log server and the like. The service system is used for providing an application system for supporting train WiFi service, and comprises an application server, a database server, a content server and the like. The portal system is used for providing services facing the Internet, and comprises a website server WWW, an electronic mail server EMS, a domain name server DNS and the like.

When the train stops in the station, the 802.11 wireless local area network (AP link in the station) is adopted to access the ground network. Passenger terminal users access the service and application system provided by the central server, the single-car server and the data center through the carriage local area network AP and the vehicle-mounted 4G/5G small base station. And the non-passenger terminal users under the vehicle access the service and application system provided by the data center through the Internet. Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A traffic domain mobile communication system, characterized by: the system comprises a user network, an access network and the Internet, wherein the user network is connected with the access network through an antenna, and the access network is connected with the Internet in a wireless communication mode;

the user network comprises a central compartment local area network and a plurality of compartment local area networks connected with the central compartment local area network, wherein the central compartment local area network comprises a vehicle-mounted antenna VMA, a central server CVS connected with the vehicle-mounted antenna VMA, a vehicle-mounted switch VSW connected with the central server CVS, a single vehicle server LVS connected with the vehicle-mounted switch VSW, and a 4G/5G small base station and an AP connected with the single vehicle server LVS.

2. A traffic domain mobile communication system according to claim 1, characterized in that: the access network further comprises an LTE base station which is in communication connection with the vehicle-mounted antenna VMA and the internet respectively.

3. A traffic domain mobile communication system according to claim 1, characterized in that: the access network further comprises an in-station AP, and the traffic field mobile communication system further comprises a data center which is in communication connection with the in-station AP and the Internet respectively.

4. A traffic domain mobile communication system according to claim 3, characterized in that: the data center comprises a router, a core switch connected with the router, and a portal system, a service system and an operation and maintenance system connected with the core switch.

5. The system of claim 4, wherein: and a firewall is also arranged between the router and the core switch.

6. A traffic domain mobile communication system according to claim 1, characterized in that: adjacent on-board switches VSW are interconnected by a gigabit ethernet.

7. A traffic domain mobile communication system according to claim 1, characterized in that: the vehicle-mounted antenna VMA is integrated with a 4G antenna, a GPS/Beidou unit antenna and a WiFi antenna in an STA mode.

8. The traffic-domain mobile communication system according to claim 1, wherein: the central server CVS is integrated with a router, a switch, an application service, public network communication and a firewall unit, and an expandable space is reserved.

9. A traffic domain mobile communication system according to claim 1, characterized in that: and the single-vehicle server LVS is integrated with an application service and a PoE switch unit, and an expandable space is reserved.

10. A traffic domain mobile communication system according to claim 1, characterized in that: the AP integrates 2 access points, including 1 2.4GHz access point and 1 5.8GHz access point.