CN205122759U - High -speed railway mobile communication network covers system - Google Patents
High -speed railway mobile communication network covers system Download PDFInfo
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- CN205122759U CN205122759U CN201520931063.9U CN201520931063U CN205122759U CN 205122759 U CN205122759 U CN 205122759U CN 201520931063 U CN201520931063 U CN 201520931063U CN 205122759 U CN205122759 U CN 205122759U
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Abstract
The utility model discloses a high -speed railway mobile communication network covers system, including set up high -speed railway ground acer station along the line with set up the vehicle -mounted base station in the high -speed railway, the distance is less than 300m between the adjacent acer station, each acer station with the distance is less than 300m between the high -speed railway, vehicle -mounted base station includes: on -vehicle access control unit, on -board control unit and light distribution directional aerial, and with on -vehicle access unit with signal detection device that light distribution directional aerial links to each other and with signal detection device reaches the data processing device that the on -board control unit links to each other, signal detection device is used for detecting the power of the electromagnetic wave signal in the carriage, handles the electromagnetic wave signal transmission that detects to data processing device. The utility model discloses a high -speed railway mobile communication network covers system can improve high -speed railway communications network's cover effect, reduces the conversation and falls the line rate.
Description
Technical field
The utility model relates to communication technical field, particularly a kind of high ferro mobile communications network covering system.
Background technology
High ferro railway refers to by transforming original circuit, makes its line linear, gauge standardization, makes operation speed reach more than 200 kilometers per hour, or builds the new line of new high speed specially, make operation speed reach the railway system of more than 250 kilometers per hour.High-speed railway is except reaching except certain speed standard at train in operation, and vehicle, rail, operation all need to coordinate lifting.High-speed railway requires also more and more higher to the covering quality of communication network, and because the particularity of railway scene and high-speed mobile are on the impact of network each side, causes the communication quality of user greatly to reduce.Existing high-speed rail mobile communication system communication quality is poor, and cutting off rate is high, and the perceptibility of mobile subscriber is lower when call drop, can not meet the requirement of people.
Along with the development of China Express Railway, no matter high ferro is all in rank first from circuit overall length, the speed of service and construction scale.The high-speed railway of China has covered the resident population in the whole nation more than 90%, and compared to common railway, the high ferro speed of a motor vehicle is very fast, comparatively strong, that wireless signal the penetrates car body attenuation of vehicle body shielding is larger.
Existing high ferro wireless communication technology is mostly based on comparatively ripe satellite communication, trunking mobile communication and cellular mobile communication, exist cover field intensity weak, cover that efficiency is low, multipath is weak and the serious problems such as frequent switching, its application faces larger difficulty and challenge.Study carefully its main cause, these conventional arts are main towards personal mobile communication Demand Design at first, it is larger that signal penetrates the loss of airtight compartment, it is larger that great Qu system covers invalid energy emission for narrow banded rail, user concentrates and all user, with speed of a motor vehicle synchronizing moving, is sudden to systematic evaluation request.Therefore, make special design for this special mobile communication demand of high-speed railway targetedly to seem outbalance and urgent.
Compared with common scenarios, the mobile network under high ferro mobile context has the specific demand of the important indicator such as coverage rate, bandwidth sum switching, and legacy network is difficult to meet.For realizing the high ferro mobile communication target under 360km/h or higher speed per hour condition,, as 2G, 3G, LTE, satellite communication and WIFI etc., there are three subject matters all to some extent: transfer rate is low in the existing invalid communication technology, switching delay is large, and frequently switches; Business experience effect particularly when many passengers concentrate call is extremely undesirable.Therefore, private network covers the inevitable development trend having become future development high ferro mobile radio communication.
Utility model content
In view of this, the utility model provides a kind of high ferro mobile communications network covering system, can improve the coverage effect of high ferro communication network, reduces dropped call rate.
The utility model is solved the problem by following technological means:
A kind of high ferro mobile communications network covering system, it is characterized in that, comprise the cell on wheels being arranged on high ferro ground macro base station along the line and being arranged in high ferro, the spacing of adjacent macro base station is less than 300m, and the spacing of each macro base station and described high ferro is less than 300m,
Described macro base station comprises: antenna, base station controller, and height hung by described antenna is 25m to 45m, and described antenna gain is 18dBi;
Described cell on wheels comprises: vehicle-mounted access unit, vehicular control unit and Light distribation directional antenna, and the signal supervisory instrument be connected with described Light distribation directional antenna with described vehicle-mounted access unit and the data processing equipment be connected with described signal supervisory instrument and described vehicular control unit; Described signal supervisory instrument is for detecting the power of the electromagnetic wave signal in compartment, the electromagnetic wave signal detected is transferred to data processing equipment process, described electromagnetic wave signal is converted into electric signal transmission to described base station controller by described data processing equipment;
Described vehicle-mounted access unit is arranged in high-iron carriage, and the vehicle-mounted access unit often saving compartment is connected with the vehicle-mounted access unit of adjacent compartment with connector by radio frequency wire jumper, and each vehicle-mounted access unit is connected with described vehicular control unit; Described Light distribation directional antenna is arranged on the installation room in the middle of car body top.
Further, described cell on wheels also comprises: be arranged on the velocity transducer, pressure sensor and the warning device that are connected with described vehicular control unit in high-iron carriage.
Further, described vehicle-mounted access unit comprises the Optical Fiber Transmission distributed lines connected successively, vehicle-mounted access center and multi-standard communication network interface.
Further, described Light distribation directional antenna is made up of multiple vehicle-mounted directional antenna.
Further, described base station controller is provided with explosion-proof apparatus.
Further, described base station controller comprises the floor control unit, ground access unit and the optical wavelength administrative unit that connect successively, and described ground access unit is connected with described vehicle-mounted access unit.
Compared with prior art, the utility model has following beneficial effect:
1, by setting up macro base station within the scope of high ferro 300m along the line, improving the covering radius of signal of communication, reducing cell merge number of times, improve communication signal quality.
2, matched with ground macro base station by cell on wheels, the various public communication service demand of full car can be met, and support the high ferro radio communication service of high-speed motion.
3, logical extension by macro base station antenna is highly set to 25m to 45m, and antenna gain is set to 18dBi; Improve the coverage effect of ground macro base station movable signal.
4, the electromagnetic wave signal in high ferro can be detected by intrasystem detecting signal unit, judge the quality of communication quality, efficiently solve the problem of signal fadeout in communication process, improve real-time and the certainty of communication.
5, by intrasystem velocity transducer and pressure sensor, the Real-time Collection high ferro speed of service and pressure, have a strong impact on communication when the high ferro speed of service is too high, or high ferro enters the change of tunnel pressure when having a strong impact on communication, sends the warning reminding of the unstable warp of signal of communication.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is the structural representation of the high ferro mobile communications network covering system of the utility model embodiment one.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, carry out clear, complete description below to the technical scheme in the utility model, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are under the prerequisite of not making creative work, and the every other embodiment obtained, all belongs to the scope of the utility model protection.
The utility model provides a kind of high ferro mobile communications network covering system, as shown in Figure 1, this system comprises the cell on wheels 2 being arranged on high ferro ground macro base station along the line 1 and being arranged in high ferro, the spacing of adjacent macro base station 1 is less than 300m, each macro base station 1 is less than 300m with the spacing of described high ferro, by installing high-power macro station equipment, suitable increase macro station power output, use high-gain, the antenna of high directivity, improves quorum sensing inhibitor radius, reducings the construction costs to greatest extent to reach, less switching times, improves the object of signal quality.
As technique scheme one preferably execution mode, described macro base station 1 comprises: antenna 11, base station controller 12, wherein, base station controller 12 comprises the floor control unit, ground access unit and the optical wavelength administrative unit that connect successively, and described ground access unit is connected with described vehicle-mounted access unit.
Preferably, it is 25m to 45m that described antenna 11 is hung high, and the gain of described antenna 11 is 18dBi;
As technique scheme one preferably execution mode, described cell on wheels 2 comprises: vehicle-mounted access unit 21, vehicular control unit 22 and Light distribation directional antenna 23, and the signal supervisory instrument 24 be connected with described Light distribation directional antenna 23 with described vehicle-mounted access unit 21 and the data processing equipment 25 be connected with described signal supervisory instrument 24 and described vehicular control unit 22; Described signal supervisory instrument 24 is for detecting the power of the electromagnetic wave signal in compartment, the electromagnetic wave signal detected is transferred to data processing equipment 25 process, described electromagnetic wave signal is converted into electric signal transmission to described base station controller 12 by described data processing equipment 25.Described cell on wheels 2 also comprises: be arranged on the velocity transducer, pressure sensor and the warning device that are connected with described vehicular control unit 22 in high-iron carriage.By intrasystem velocity transducer and pressure sensor, the Real-time Collection high ferro speed of service and pressure, have a strong impact on communication when the high ferro speed of service is too high, or high ferro enters the change of tunnel pressure when having a strong impact on communication, sends the warning reminding of signal of communication instability.
Described vehicle-mounted access unit 21 is arranged in high-iron carriage, and the vehicle-mounted access unit 21 often saving compartment is connected with the vehicle-mounted access unit 21 of adjacent compartment with connector by radio frequency wire jumper, and each vehicle-mounted access unit 21 is connected with described vehicular control unit 22; Described Light distribation directional antenna 23 is arranged on the installation room in the middle of car body top.
Further, described vehicle-mounted access unit 21 comprises the Optical Fiber Transmission distributed lines connected successively, vehicle-mounted access center and multi-standard communication network interface.
Further, described Light distribation directional antenna 23 is made up of multiple vehicle-mounted directional antenna.
Further, described base station controller 12 is provided with explosion-proof apparatus.Described base station controller 12 comprises the floor control unit, ground access unit and the optical wavelength administrative unit that connect successively, and described ground access unit is connected with described vehicle-mounted access unit.
Wherein, the center that floor control unit is native system management and controls, the state information from access-in management unit is collected by communication connection, and send corresponding control command to it and implement management and control, be entity ground access-in management unit being carried out to mobile management, configuration, maintenance, working state monitoring and control.Ground access unit is the interface of vehicle-mounted access control unit and ground macro base station, there is two-way communication tunnel between it and floor control unit.
Concrete, ground access unit comprise connect successively distributed RAU, Optical Fiber Transmission distributed lines, access center, ground and multi-standard communication network interface.Wherein, distributed RAU comprises RAU and RAU Microcell, its arrangement rule is: the arrangement distance of distributed RAU is according to the microwave frequency band propagation characteristic adopted and systematic evaluation time, keep H distribution at equal intervals between RAU, and now should meet H >=d, d is RAU Microcell maximum gauge, thus ensures not have overlapping covering between the RAU Microcell that each RAU produces.It is a kind of general to be made up of some single modes or multimode fiber and wavelength division multiplexer that light distributes transmission line.Be connected by multi-standard communication network interface between ground moving switching center with road network gateway, interface comprises the network interface of the multiple opening such as IP, ATM.
Light distribation directional antenna 23 is arranged on the installation room in the middle of car body top, make to form vehicle-mounted access network in compartment, when passenger enters in compartment, the mobile communication equipment of passenger receives the radio wave signal sent by cell on wheels 2 at once, mobile communication equipment sends certification and registration signal, this signal to be received by Light distribation directional antenna 23 as electromagnetic wave and is converted into the signal of telecommunication, and then transfer to cell on wheels 2, simultaneously, the electromagnetic wave signal that signal supervisory instrument 24 detects in compartment is strong and weak, to detect that total is reportedly transported to data processing equipment 25 and processed, and be converted into the signal of telecommunication, then cell on wheels 2 is transferred to, cell on wheels 2 receives the signal of telecommunication and goes forward side by side and transfer to the ground superelevation wireless broadband communication machine of Ground Communication System after row relax through vehicle-mounted ultra-high frequency wireless broadband connections machine, and then transfer to network switch through optical transport network and base station controller 12, after network switch process by Signal transmissions to base station controller 12, base station controller 12 transfers to ultra-high frequency wireless broadband connections machine in ground according to received information by optical transport network, and then by Signal transmissions to cell on wheels 2, cell on wheels 2 by Signal transmissions to Light distribation directional antenna 23, transform electrical signals is electromagnetic wave signal by Light distribation directional antenna 23, mobile communication equipment receives electromagnetic wave signal and realizes the covering of high ferro mobile communications network.
Compared with prior art, the utility model has following beneficial effect:
1, by setting up macro base station within the scope of high ferro 300m along the line, improving the covering radius of signal of communication, reducing cell merge number of times, improve communication signal quality.
2, matched with ground macro base station by cell on wheels, the various public communication service demand of full car can be met, and support the high ferro radio communication service of high-speed motion.
3, logical extension by macro base station antenna is highly set to 25m to 45m, and antenna gain is set to 18dBi; Improve the coverage effect of ground macro base station movable signal.
4, the electromagnetic wave signal in high ferro can be detected by intrasystem signal supervisory instrument, judge the quality of communication quality, efficiently solve the problem of signal fadeout in communication process, improve real-time and the certainty of communication.
5, by intrasystem velocity transducer and pressure sensor, the Real-time Collection high ferro speed of service and pressure, have a strong impact on communication when the high ferro speed of service is too high, or high ferro enters the change of tunnel pressure when having a strong impact on communication, sends the warning reminding of the unstable warp of signal of communication.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (5)
1. a high ferro mobile communications network covering system, it is characterized in that, comprise the cell on wheels being arranged on high ferro ground macro base station along the line and being arranged in high ferro, the spacing of adjacent macro base station is less than 300m, distance between each macro base station and high ferro are along the line is less than 300m
Described macro base station comprises: antenna, base station controller, and height hung by described antenna is 25m to 45m, and described antenna gain is 18dBi;
Described cell on wheels comprises: vehicle-mounted access unit, vehicular control unit and Light distribation directional antenna, and the signal supervisory instrument to be connected with described Light distribation directional antenna with described vehicle-mounted access unit, and the data processing equipment be connected with described signal supervisory instrument and described vehicular control unit; Described signal supervisory instrument is for detecting the power of the electromagnetic wave signal in compartment, the electromagnetic wave signal detected is transferred to data processing equipment process, described electromagnetic wave signal is converted into electric signal transmission to described base station controller by described data processing equipment;
Described vehicle-mounted access unit is arranged in high-iron carriage, and the vehicle-mounted access unit often saving compartment is connected with the vehicle-mounted access unit of adjacent compartment with connector by radio frequency wire jumper, and each vehicle-mounted access unit is connected with described vehicular control unit; Described Light distribation directional antenna is arranged on the installation room in the middle of car body top.
2. high ferro mobile communications network covering system according to claim 1, is characterized in that: described cell on wheels also comprises: be arranged on the velocity transducer, pressure sensor and the warning device that are connected with described vehicular control unit in high-iron carriage.
3. high ferro mobile communications network covering system according to claim 1, is characterized in that: described vehicle-mounted access unit comprises the Optical Fiber Transmission distributed lines connected successively, vehicle-mounted access center and multi-standard communication network interface.
4. high ferro mobile communications network covering system according to claim 1, is characterized in that: described Light distribation directional antenna is made up of multiple vehicle-mounted directional antenna.
5. high ferro mobile communications network covering system according to claim 1, is characterized in that: described base station controller is provided with explosion-proof apparatus.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520931063.9U CN205122759U (en) | 2015-11-19 | 2015-11-19 | High -speed railway mobile communication network covers system |
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| CN201520931063.9U CN205122759U (en) | 2015-11-19 | 2015-11-19 | High -speed railway mobile communication network covers system |
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| CN205122759U true CN205122759U (en) | 2016-03-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740988A (en) * | 2016-11-17 | 2017-05-31 | 胡佳 | A kind of train communication signal realizes system |
| CN110113814A (en) * | 2019-03-28 | 2019-08-09 | 普联技术有限公司 | The signal access point of multi signal wireless location determines methods, devices and systems |
| CN114944877A (en) * | 2022-03-25 | 2022-08-26 | 北京邮电大学 | Method and related equipment for detecting uplink communication quality of high-speed moving object |
-
2015
- 2015-11-19 CN CN201520931063.9U patent/CN205122759U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740988A (en) * | 2016-11-17 | 2017-05-31 | 胡佳 | A kind of train communication signal realizes system |
| CN106740988B (en) * | 2016-11-17 | 2019-02-05 | 胡佳 | A kind of train communication signal realization system |
| CN110113814A (en) * | 2019-03-28 | 2019-08-09 | 普联技术有限公司 | The signal access point of multi signal wireless location determines methods, devices and systems |
| CN114944877A (en) * | 2022-03-25 | 2022-08-26 | 北京邮电大学 | Method and related equipment for detecting uplink communication quality of high-speed moving object |
| CN114944877B (en) * | 2022-03-25 | 2023-02-28 | 北京邮电大学 | Method and related device for detecting uplink communication quality of high-speed moving object |
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Address after: 710065, 2 floors, H Block, Wangzuo Modern City, 35 Tangyan Road, Xi'an High-tech Zone, Shaanxi Province Patentee after: Sharp design Consulting Co., Ltd. Address before: 710065, 2 floors, H Block, Wangzuo Modern City, 35 Tangyan Road, Xi'an High-tech Zone, Shaanxi Province Patentee before: SHAANXI SIPURUI COMMUNICATION DESIGN CONSULTATION CO., LTD. |