CN219204705U - Vehicle-mounted micro base station system of high-speed rail motor train unit - Google Patents
Vehicle-mounted micro base station system of high-speed rail motor train unit Download PDFInfo
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- CN219204705U CN219204705U CN202223279295.XU CN202223279295U CN219204705U CN 219204705 U CN219204705 U CN 219204705U CN 202223279295 U CN202223279295 U CN 202223279295U CN 219204705 U CN219204705 U CN 219204705U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model discloses a high-speed rail motor train unit vehicle-mounted micro base station system, which comprises a vehicle-mounted data transmission unit and a vehicle-mounted antenna, wherein the vehicle-mounted data transmission unit is connected with the vehicle-mounted antenna; the vehicle-mounted micro base station system of the high-speed rail motor train unit further comprises base station processing units and vehicle-mounted communication base station units which are respectively arranged in all carriages, wherein the base station processing units are connected with the vehicle-mounted communication base station units, and the vehicle-mounted data transmission units are connected with the base station processing units. The utility model changes the original fixed communication indoor division base station into the communication base station moving with the motor train unit through the base station processing unit and the vehicle-mounted communication base station unit arranged in each carriage, and absorbs the access user into the vehicle indoor division, thereby reducing signaling storm and reducing penetration loss, and providing stable, high-speed and safe network channel for railway industry application by utilizing the 5G network slicing technology, and effectively improving reliability.
Description
Technical Field
The utility model relates to the technical field of communication equipment, in particular to a high-speed rail motor train unit vehicle-mounted micro base station system.
Background
At present, mobile Internet interaction in high-speed rail motor train units in China mainly has three forms, one form is that a WLAN/GSM/GPS three-in-one antenna installed on the roof of the motor train unit is accessed to a mobile GPRS and 4G-LTE network after being accessed to a base station of a service provider along the line, so that the wireless transmission of vehicle-mounted information of the motor train unit is realized; the method comprises the steps of accessing a mobile internet after a roof antenna is accessed to a base station of a line operator, realizing 3G/4G signal access, and releasing a WIFI signal through an AP after conversion; one is to access the mobile internet directly through mobile terminals and operators along the line, and these communication methods have the problem that signals are easy to attenuate in carriage penetration.
Disclosure of Invention
The utility model mainly aims to provide a high-speed rail motor train unit on-board micro base station system capable of reducing penetration loss, and aims to solve the technical problems.
In order to achieve the above purpose, the embodiment of the application provides a high-speed rail motor train unit vehicle-mounted micro base station system, which comprises a vehicle-mounted data transmission unit and a vehicle-mounted antenna, wherein the vehicle-mounted data transmission unit is connected with the vehicle-mounted antenna;
the vehicle-mounted micro base station system of the high-speed rail motor train unit further comprises base station processing units and vehicle-mounted communication base station units which are respectively arranged in all carriages, wherein the base station processing units are connected with the vehicle-mounted communication base station units, and the vehicle-mounted data transmission units are connected with the base station processing units.
In one embodiment, the vehicle-mounted communication base station unit comprises a wireless radio frequency unit and a baseband processing unit, wherein the wireless radio frequency unit is connected with the baseband processing unit, and the wireless radio frequency unit is connected with the vehicle-mounted data transmission unit.
In one embodiment, the on-board data transmission unit is further connected to a PIS car controller.
In one embodiment, the vehicle-mounted data transmission unit is further connected with an edge computing server.
In one embodiment, each carriage is further provided with a clock server, the clock server is connected with the corresponding base station processing unit, and the clock server is connected with the vehicle-mounted antenna.
In one embodiment, the vehicle-mounted data transmission unit adopts a 1U architecture, and the vehicle-mounted data transmission unit is provided with a grounding column.
In one embodiment, the base station processing unit employs a 1U architecture, with the base station processing unit mounted with a ground post.
The scheme of the utility model at least comprises the following beneficial effects:
the utility model changes the original fixed communication indoor division base station into the communication base station moving with the motor train unit through the base station processing unit and the vehicle-mounted communication base station unit arranged in each carriage, and absorbs the access user into the vehicle indoor division, thereby reducing signaling storm and reducing penetration loss, and providing stable, high-speed and safe network channels for railway industry application by utilizing the 5G network slicing technology, and effectively improving reliability, safety and compatibility.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a high-speed rail EMUs on-board micro base station system according to the present utility model;
FIG. 2 is a system configuration diagram of a high-speed rail EMUs vehicle-mounted micro base station system of the present utility model;
fig. 3 is a schematic structural diagram of a radio frequency unit in the on-board micro base station system of the high-speed rail motor train unit according to the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.
Referring to fig. 1 and 2, an embodiment of the present application provides a high-speed rail motor train unit on-board micro base station system, where the high-speed rail motor train unit on-board micro base station system includes an on-board data transmission unit 2 and an on-board antenna 1, and the on-board data transmission unit 2 is connected with the on-board antenna 1;
the vehicle-mounted micro base station system of the high-speed rail motor train unit further comprises base station processing units 5 and vehicle-mounted communication base station units 6 which are respectively arranged in all carriages, the base station processing units 5 are connected with the vehicle-mounted communication base station units 6, and the vehicle-mounted data transmission units 2 are connected with the base station processing units 5.
In the embodiment, the existing 4X4MIMO vehicle antenna 1 of the motor train unit and the PIS carriage controller 4 are used for networking, so that the transmission is reliable and stable, and networking equipment is not required to be additionally configured. The vehicle-mounted data transmission unit 2 is connected with a communication port of the vehicle-mounted antenna 1 through a feeder line by a radio frequency receiving port and is connected with a vehicle-mounted PIS switch interface by a forward interface; and meanwhile, the connection of the edge computing server 3 is realized through the port expansion of the switching module. The base station processing unit 5 is connected with the vehicle-mounted PIS switch interface through a backhaul interface,
in this embodiment, the vehicle-mounted data transmission unit 2 is a key node for establishing system backhaul, the user terminal signaling is backhaul through signals provided by the vehicle-mounted communication base station unit 6, and the base station signaling is backhaul through an air interface backhaul channel established by the vehicle-mounted data transmission unit 2, so as to implement interaction between the vehicle-mounted base station, the user terminal and the core network. The base station processing unit 5 is used for realizing the 5G NR base station processing unit 5, centrally controlling and managing the whole base station system, realizing direct access and data interaction with the 5G core network, realizing NGAP and XnAP interfaces, and simultaneously realizing the protocol stack function of the 5G NR access network, the RRC, PDCP, SDAP, RLC, MAC and PHY protocol layer function and the baseband processing function.
In one embodiment, the vehicle-mounted communication base station unit 6 includes a radio frequency unit and a baseband processing unit, the radio frequency unit is connected with the baseband processing unit, and the radio frequency unit is connected with the vehicle-mounted data transmission unit 2.
Referring to fig. 3, in this embodiment, the radio frequency unit is a radio frequency unit of a 5G NR expansibility base station, and forms a complete 5G vehicle-mounted base station in a carriage with a baseband processing unit, which is used for a cellular networking scenario of a mobile communication cell. The wireless radio frequency unit is used for being accessed by an intelligent terminal in a carriage by transmitting wireless signals, so that a terminal communication function is realized.
The wireless radio frequency unit adopts a miniaturized design 160 multiplied by 180 multiplied by 42, meets the requirement of equipment installation in a carriage, adopts POE power supply, supports the frequency band 4800 MHz-4900 MHz, adopts an M12 interface with a vehicle body network wiring interface, and meets the requirement of a network system connector of a motor train unit.
In one embodiment, the vehicle-mounted data transmission unit 2 is further connected to a PIS car controller 4.
In one embodiment, the vehicle-mounted data transmission unit 2 is further connected to an edge calculation server 3.
In one embodiment, a clock server is further disposed in each carriage, and the clock server is connected to the corresponding base station processing unit 5, and the clock server is connected to the vehicle antenna 1.
In this embodiment, the GPS/BD port of the clock server is connected to the GPS/BD port of the vehicle-mounted antenna 1 through a jumper, and is connected to the network port of the radio frequency unit through a forwarding interface, and realizes POE remote power supply and data transmission for the radio frequency unit.
In one embodiment, the vehicle-mounted data transmission unit 2 adopts a 1U architecture, and the vehicle-mounted data transmission unit 2 is provided with a grounding column.
In this embodiment, the vehicle-mounted data transmission unit 2 is installed in the electric cabinet in the vehicle body, meets the requirement of DC110V power supply of the motor train unit, and the vehicle-mounted data transmission unit 2 is installed with a grounding column for grounding protection of equipment, and the vehicle-mounted data transmission unit 2 and the vehicle body network wiring interface adopt an M12 interface, so as to meet the requirement of the motor train unit network system connector.
In one embodiment, the base station processing unit 5 adopts a 1U architecture, and the base station processing unit 5 is mounted with a ground post.
The base station processing unit 5 is arranged in an electric cabinet in the car body and meets the DC110V power supply requirement of the motor train unit. Furthermore, the base station processing unit 5 is provided with a ground post for ground protection of the equipment. And the base station processing unit 5 and the network wiring interface of the train body adopt an M12 interface, so that the requirements of the network system connector of the motor train unit are met.
From the above, the present utility model changes the original fixed communication indoor division base station into the communication base station moving with the motor train unit through the base station processing unit 5 and the vehicle communication base station unit 6 arranged in each carriage, and absorbs the access user to the indoor division of the vehicle, thereby reducing signaling storm and penetration loss, and providing stable, high-speed and safe network channels for railway industry application by using the 5G network slicing technology, effectively improving reliability, safety and compatibility, and laying a foundation for realizing industrialization subsequently.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity/operation/object from another entity/operation/object without necessarily requiring or implying any actual such relationship or order between such entities/operations/objects; the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
For the device embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and reference is made to the description of the method embodiments for relevant points. The apparatus embodiments described above are merely illustrative, in which the units illustrated as separate components may or may not be physically separate. Some or all of the modules may be selected according to actual needs to achieve the objectives of the present utility model. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.
The foregoing embodiment numbers of the present utility model are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present utility model may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) as described above, comprising instructions for causing a terminal device (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method according to the embodiments of the present utility model.
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (7)
1. The vehicle-mounted micro base station system of the high-speed rail motor train unit is characterized by comprising a vehicle-mounted data transmission unit and a vehicle-mounted antenna, wherein the vehicle-mounted data transmission unit is connected with the vehicle-mounted antenna;
the vehicle-mounted micro base station system of the high-speed rail motor train unit further comprises base station processing units and vehicle-mounted communication base station units which are respectively arranged in all carriages, wherein the base station processing units are connected with the vehicle-mounted communication base station units, and the vehicle-mounted data transmission units are connected with the base station processing units.
2. The high-speed train on-board micro base station system according to claim 1, wherein the on-board communication base station unit comprises a wireless radio frequency unit and a baseband processing unit, the wireless radio frequency unit is connected with the baseband processing unit, and the wireless radio frequency unit is connected with the on-board data transmission unit.
3. The high-speed rail motor train unit on-board micro base station system according to claim 1, wherein the on-board data transmission unit is further connected with a PIS carriage controller.
4. The high-speed rail motor train unit on-board micro base station system according to claim 1, wherein the on-board data transmission unit is further connected with an edge calculation server.
5. The micro base station system of the high-speed rail motor train unit according to claim 1, wherein each carriage is further provided with a clock server, the clock server is connected with a corresponding base station processing unit, and the clock server is connected with the vehicle-mounted antenna.
6. The high-speed rail motor train unit on-board micro base station system according to claim 1, wherein the on-board data transmission unit adopts a 1U architecture, and a grounding column is installed on the on-board data transmission unit.
7. The micro base station system of the high-speed rail motor train unit according to claim 1, wherein the base station processing unit adopts a 1U architecture, and a grounding column is installed on the base station processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223279295.XU CN219204705U (en) | 2022-12-05 | 2022-12-05 | Vehicle-mounted micro base station system of high-speed rail motor train unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223279295.XU CN219204705U (en) | 2022-12-05 | 2022-12-05 | Vehicle-mounted micro base station system of high-speed rail motor train unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219204705U true CN219204705U (en) | 2023-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223279295.XU Active CN219204705U (en) | 2022-12-05 | 2022-12-05 | Vehicle-mounted micro base station system of high-speed rail motor train unit |
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| Country | Link |
|---|---|
| CN (1) | CN219204705U (en) |
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2022
- 2022-12-05 CN CN202223279295.XU patent/CN219204705U/en active Active
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