CN207853891U - A kind of multi-standard wireless shrouding system - Google Patents

A kind of multi-standard wireless shrouding system Download PDF

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Publication number
CN207853891U
CN207853891U CN201820092635.2U CN201820092635U CN207853891U CN 207853891 U CN207853891 U CN 207853891U CN 201820092635 U CN201820092635 U CN 201820092635U CN 207853891 U CN207853891 U CN 207853891U
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China
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function portion
unit
babinet
module
far
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CN201820092635.2U
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Inventor
刘立海
刘建宇
刘正自
李积祥
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China Railway Siyuan Survey and Design Group Co Ltd
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China Railway Siyuan Survey and Design Group Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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Abstract

The utility model is related to wireless communication fields, provide a kind of multi-standard wireless shrouding system, multiple radio frequencies of multiple Base Band Unit and different systems including different systems far draw unit, radio frequency far draws unit to have basic function portion and public function portion, multiple Base Band Unit far draw the basic function portion of unit to correspond with multiple radio frequencies, and multiple radio frequencies far draw unit to be placed in the first babinet;Basic function portion includes signal transmitting module, signal receiving module and power amplifier module, and each basic function portion is set to and is placed on the veneer in the first babinet, and each Base Band Unit is connected to corresponding veneer by optical fiber;Each public function portion is respectively positioned on outside veneer.By far drawing multiple radio frequencies function repeating part, that is, public function portion of unit to remove, basic function portion is only left, and make one-board, volume is also reduced while simplifying radio frequency and far drawing unit, power consumption is reduced, space is saved, reduces the occupancy to tunnel cavern space.

Description

A kind of multi-standard wireless shrouding system
Technical field
The utility model is related to wireless communication field, specially a kind of multi-standard wireless shrouding system.
Background technology
At present under railway applications scene, multi-operator, multisystem multi-standard application are very universal, are covered with railway tunnel For lid, usual three operators, every family at least 2G/3G systems are a set of, 4G systems are total at least six system, may relate to make more Formula multiband.In railway tunnel covering, since space is limited, while in order to save leakage cable investment, the shared leakage cable of generally use Mode is covered, and the equipment combining by multiple operation phase multi-standards is needed to be input in one or two leakage cable.
There are two types of situation, a kind of mode is that distributed base station is arranged in tunnel face in each operator for current multi-standard system combining Base Band Unit (BBU) equipment, the radio frequency of setting distributed base station far draws unit (RRU) equipment in tunnel, and centre passes through optical fiber Connection is inputted multisystem mixing in leakage cable using external combiner.Another way is to set the base station (BBU+RRU) of each family It sets in tunnel face, couples in the proximal end machine equipment of independently customized exploitation the radiofrequency signal of each wireless system RRU to, pass through number Change technology carries out analog/digital conversion by different systems difference channel mode, is sent to by optical fiber and digital remote in tunnel Terminal, digitlization remote termination carry out signal recovery by digitized processing, and digital-to-analog conversion is amplified respectively by channel, Finally combining output extremely leakage cable.First way is that signal power is big, signal fidelity is high, and each producer's wireless technology obtains fully It plays, usual signal quality is good, and when occupied space is big, power consumption is big, cost is higher;The second way is small, at low cost, power consumption Low, saving optical fiber, but have a certain impact to each genuine signal, signal power is limited.
Utility model content
The purpose of this utility model is to provide a kind of multi-standard wireless shrouding systems, by the way that multiple radio frequencies are far drawn unit Function repeating part, i.e. public function portion removes, and only leaves basic function portion, realizes unified, and list is far drawn simplifying radio frequency Volume is also reduced while first, greatly saves space, and the occupancy to tunnel cavern space of reduction also reduces power consumption.
To achieve the above object, the utility model embodiment provides the following technical solutions:A kind of multi-standard wireless coverage system System, includes multiple Base Band Unit of different systems, the multiple radio frequencies for further including different systems far draw unit, the radio frequency far to draw list There is member basic function portion and public function portion, multiple Base Band Unit the basic function of unit is far drawn with multiple radio frequencies Portion corresponds, and multiple radio frequencies far draw unit to be placed in the first babinet;The basic function portion includes that signal sends mould Block, signal receiving module and power amplifier module, each basic function portion are set to the veneer being placed in first babinet On, each Base Band Unit is connected to the corresponding veneer by optical fiber;Each public function portion is respectively positioned on the list Outside plate, and each public function portion is integrated in the first babinet.
Further, each public function portion include power module, lightning-protection module, power environment monitoring module and Alarm module, the power module, the lightning-protection module, the power environment monitoring module and the alarm module are integrated In on first circuit board.
Further, further include to the power supply change-over device of each public function portion centrally connected power supply, the power supply converting means It is placed in first babinet.
Further, further include encapsulation protective device for each public function portion of the cover, the encapsulation protective device It is placed in first babinet.
Further, further include multi-channel rf combiner, radio frequency combiner described in multichannel far draws unit with multiple radio frequencies It corresponds, and radio frequency combiner described in multichannel is integrated on the second circuit board in the second babinet, each basic function portion It is connected to the second circuit board in second babinet.
Further, second babinet is placed in first babinet.
Further, the veneer has the card inserting mouth being inserted into for optical fiber.
Compared with prior art, the utility model has the beneficial effects that:
1, by far drawing multiple radio frequencies function repeating part, that is, public function portion of unit to remove, basic function is only left Portion, and one-board is made, it realizes unification, volume is also reduced while simplifying radio frequency and far drawing unit, greatly save empty Between, reduce the occupancy to tunnel cavern space.
2, lightning protection, power environment are monitored and the public modules such as alarm is concentrated, avoided functional redundancy, reduce volume.
3, it using centrally connected power supply, avoids setting up power supply separately because of each RRU and conversion module increases power consumption, also save power consumption, solve The certainly pressure of Large Railway Tunnel railway power supply, while also reducing volume.
4, encapsulation protective device is set in public function portion, can avoids needing far to draw unit to each radio frequency in the prior art The problem that encapsulation protective device is arranged and causes volume excessive.
5, integrated multipath radio frequency combiner is further reduced space, while avoiding the protection of external multi-channel rf combiner Insufficient problem.
Description of the drawings
Fig. 1 is a kind of schematic diagram for multi-standard wireless shrouding system that the utility model embodiment provides;
In reference numeral:1- Base Band Unit;2- basic functions portion;3- public functions portion;4- veneers;5- optical fiber;6- first Babinet;The second babinets of 7-;8- multi-channel rf combiners.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The all other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, a kind of multi-standard wireless shrouding system of the utility model embodiment offer, including different systems are more Multiple radio frequencies of a Base Band Unit 1 and different systems far draw unit.Usually, three operators can all select, and every family is at least A set of 2G/3G, 4G system, the present embodiment are illustrated with 6.In arrangement, the base band list of each producer's different systems is maintained 1 (BBU) of member is constant, and 6 BBU basic functions and packing forms are constant, will send signal carry out complicated channel coding/decoding, The Digital Signal Processing such as MIMO, multichannel process, are converted to coded signal, and RRU is sent by pipeline by opto-electronic conversion.But Radio frequency far draws unit to make transformation, far draws unit (RRU) main functional parts to make veneer the radio frequency of each producer's different systems Formula only has basic function, i.e., far draws unit to make basic function portion 2 and public function portion 3, the base band existing radio frequency Unit 1 far draws the basic function portion 2 of unit to correspond with multiple radio frequencies, and multiple radio frequencies far draw unit to be placed in In first babinet 6.Wherein basic function portion 2 has basic function, it include signal transmitting module, signal receiving module and Power amplifier module, they are the prior arts, wherein signal transmitting module, and the optical signal from Base Band Unit 1 is converted to electric signal, Then it is modulated to radiofrequency signal, is amplified, unified output is combined by multi-channel rf, signal receiving module is by the radio frequency of reception Signal is demodulated into digital signal, is then converted into optical signal and sends back to Base Band Unit 1 by optical cable.Radio frequency far draws unit as single After plate 4 is changed, each Base Band Unit 1 is connected to the corresponding veneer 4 by optical fiber 5, with individual packages project, concentrates envelope After dress, volume greatly reduces.Each public function portion 3 is respectively positioned on outside the veneer 4, and each public function portion 3 collects At in the first babinet 6.By the way that multiple radio frequencies far to be drawn to the function repeating part of unit, i.e. public function portion 3 removes, and only leaves Basic function portion 2, and one-board is made, it realizes unification, also reduces volume while simplifying radio frequency and far drawing unit, greatly Saving space, the occupancy to tunnel cavern space of reduction also reduces power consumption.
It is specific embodiment below:
Optimize said program, each public function portion 3 includes power module, lightning-protection module, power environment monitoring Module and alarm module, the power module, the lightning-protection module, the power environment monitoring module and the alarm mould Block is integrated on first circuit board.These public function portions 3, which are divided from existing radio frequency, far draws unit individually to take out, by public affairs The same completion of common mode block avoids functional redundancy, reduces volume and power consumption.These modules are that radio frequency far draws common mould in unit Block, wherein power module are used for lightning protection, power environment prison for controlling the operating switch that radio frequency far draws unit, lightning-protection module Control module is for monitoring power module, and alarm module is for sending out alarm.The module selection in public function portion 3 can be according to practical feelings Condition is arbitrarily deleted or is increased.
As the prioritization scheme of the utility model embodiment, this system further includes concentrating to supply to each public function portion 3 The power supply change-over device of electricity, the power supply change-over device are placed in first babinet 6.Using being supplied in unified power supply Transform Sets Electricity can save the space in the first babinet 6.The power supply change-over device is that radio frequency far draws common technique in unit.
As the prioritization scheme of the utility model embodiment, this system further includes for each public function portion of the cover 3 Encapsulation protective device, the encapsulation protective device is placed in first babinet 6.Encapsulation protection dress is set in public function portion 3 It sets, unified protection encapsulation can avoid needing in the prior art far drawing each radio frequency unit encapsulation protective device is arranged and leads The problem for causing volume excessive, and then reduce volume.The encapsulation protective device is that radio frequency far draws common technique in unit.
As the prioritization scheme of the utility model embodiment, referring to Fig. 1, this system further includes multi-channel rf combiner 8, Radio frequency combiner described in multichannel far draws unit to correspond with multiple radio frequencies, and radio frequency combiner described in multichannel is integrated in institute State on the second circuit board in the second babinet 7, each basic function portion 2 with the second circuit board in second babinet 7 Connection.Multi-channel rf combiner 8 is integrated in a babinet, space is further reduced, while external multi-channel rf being avoided to close The problem of the protection deficiency of road device 8.Preferred second babinet 7 is also placed in the first babinet 6, can save space.
As the prioritization scheme of the utility model embodiment, veneer 4 has the card inserting mouth being inserted into for optical fiber 5.Using plug-in card Formula can make installation more convenient.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (7)

1. a kind of multi-standard wireless shrouding system includes multiple Base Band Unit of different systems, it is characterised in that:It further include difference Multiple radio frequencies of standard far draw unit, the radio frequency that unit is far drawn to have basic function portion and public function portion, multiple bases Tape cell and multiple radio frequencies far draw the basic function portion of unit to correspond, and multiple radio frequencies far draw unit to be placed in the In one babinet;The basic function portion includes signal transmitting module, signal receiving module and power amplifier module, each basis Function part is set to and is placed on the veneer in first babinet, and each Base Band Unit passes through light with the corresponding veneer Fibre connection;Each public function portion is respectively positioned on outside the veneer, and each public function portion is integrated in the first babinet.
2. a kind of multi-standard wireless shrouding system as described in claim 1, it is characterised in that:Each public function portion is equal Including power module, lightning-protection module, power environment monitoring module and alarm module, the power module, the lightning-protection module, The power environment monitoring module and the alarm module are integrated on first circuit board.
3. a kind of multi-standard wireless shrouding system as claimed in claim 2, it is characterised in that:Further include to each public work( The power supply change-over device of energy portion centrally connected power supply, the power supply change-over device are placed in first babinet.
4. a kind of multi-standard wireless shrouding system as claimed in claim 2, it is characterised in that:Further include each described for the cover The encapsulation protective device in public function portion, the encapsulation protective device are placed in first babinet.
5. a kind of multi-standard wireless shrouding system as described in claim 1, it is characterised in that:It further include multi-channel rf combining Device, radio frequency combiner described in multichannel far draw unit to correspond with multiple radio frequencies, and radio frequency combiner described in multichannel integrates In on the second circuit board in the second babinet, each basic function portion connects with the second circuit board in second babinet It is logical.
6. a kind of multi-standard wireless shrouding system as claimed in claim 5, it is characterised in that:Second babinet is placed in described In first babinet.
7. a kind of multi-standard wireless shrouding system as described in claim 1, it is characterised in that:The veneer has to be inserted for optical fiber The card inserting mouth entered.
CN201820092635.2U 2018-01-19 2018-01-19 A kind of multi-standard wireless shrouding system Active CN207853891U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113099519A (en) * 2020-01-09 2021-07-09 华为技术有限公司 Base station control method, operation support system 0SS and distributed base station system DBS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113099519A (en) * 2020-01-09 2021-07-09 华为技术有限公司 Base station control method, operation support system 0SS and distributed base station system DBS

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