CN201018618Y - Multi-network multiplexing platform equipment - Google Patents

Multi-network multiplexing platform equipment Download PDF

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Publication number
CN201018618Y
CN201018618Y CNU2006200152880U CN200620015288U CN201018618Y CN 201018618 Y CN201018618 Y CN 201018618Y CN U2006200152880 U CNU2006200152880 U CN U2006200152880U CN 200620015288 U CN200620015288 U CN 200620015288U CN 201018618 Y CN201018618 Y CN 201018618Y
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China
Prior art keywords
signal
downstream
platform equipment
standard
frequency
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Expired - Fee Related
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CNU2006200152880U
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Chinese (zh)
Inventor
王齐
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Shenzhen Guoren Communication Co Ltd
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Shenzhen Guoren Communication Co Ltd
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Abstract

The utility model discloses a multi-communication platform equipment, which comprises an uplink unit, a signaling access unit, and a downstream unit. The uplink unit receiving the uplink signal in a plurality of types is connected with the switching unit separately receiving the uplink signal. The switching unit comprises a plurality of patterns of work dividing machines separating a plurality of patterns of uplink and downstream signals. The work dividing machine is connected with the downstream unit receiving the uplink signals. The downstream unit receiving the downstream signals and then combining the signals is connected with the monitoring system. Therefore, the sign of the base station can be separated up and down inside the multi-communication platform equipment, which is either directly connected with the base station or the outlet of the repeater or the conveniently. The advantage of the utility model is to make the construction much more convenient and also improve the anti-jamming ability among the signals.

Description

Many nets close channel platform equipment
Technical field
The utility model relates to the communications field, and the many nets that relate in particular to the communications field close channel platform equipment.
Background technology
China's existing mobile communication network has the GSM900/DCS1800 of China Mobile, the GSM900/DCS1800 of CHINAUNICOM and CDMA800, the PHS of China Telecom, Netcom, WLAN, Digital Clustering and other communication systems.Can there be WCDMA, CDMA2000, these 3G systems of TD-SCDMA in the near future.The problems such as repeated construction that indoor covering system brought that each operator builds oneself respectively are more and more outstanding.
POI (POINT OF INTERFACE), i.e. multisystem mixing platform.Needing to be mainly used in heavy construction that multiple-network system inserts, the urban operating mechanism, as places such as large-scale museum, subway, railway station, airport, office offices of government.This POI product has realized that multiband, many signals close the road function, and the overlapping investment of having avoided indoor distributed system to build is the effective means of the compatible covering of the many network signals of a kind of realization.
As the bridge that connects information source and compartment system, the main effect of POI is the downstream signal of systems such as CDMA, GSM, DCS, PHS, WLAN, 3G and cluster is closed the road, upward signal to each system carries out shunt simultaneously, and curbs the useless interference component between each frequency band as far as possible.POI synthesizes the various standard signals of each telecom operators in the radio network optimization engineering, and the indoor covering system that makes heterogeneous networks is for overlapping antenna-feedback system with one.The for example GSM of CHINAUNICOM, cdm signal; China GSM900, DCS signal; China Telecom, the PHS of China Netcom, WLAN, 3G signal and Digital Television, the public security cluster, communication system common sources such as broadcast singal, the shared cover covering system of different networks can shorten the engineering construction cycle effectively, and it is little to have combination loss, band is outer to suppress high, fully guarantees between each signal interference-free.
According to system's insulated degree requirement difference, common many nets close channel platform equipment (POI) can two kinds of designs, system signal separation scheme and last/descending separation scheme.
Scheme one: the system signal separation scheme, as shown in Figure 1, each the system's duplex signaling that comes from the base station respectively inserts POI by a port, and port of equipment antenna feeder side picks out.Downstream signal is presented as that multichannel unification road carries out signal downlink and cover, and the upward signal that user terminal comes then is by former passage reverse transfer, is that one road signal is divided into multichannel and gets back to the uplink and downlink communication that separately system finishes system respectively.
Scheme two: on/the downstream signal separation scheme, as shown in Figure 2, each standard (Frequency Division Duplexing (FDD)) system that comes from the base station divides two ports of up-downgoing to insert POI, picks out by latter two port of equipment.Downstream signal is presented as that multichannel unification road covers from Tx mouth output carrying out signal downlink, and the upward signal that user terminal comes then is by other one road Rx data feedback channel reverse transfer, gets back to communication system separately then along separate routes.
Two kinds of POI close road scheme pluses and minuses relatively can be shown in table-1:
Table-1
Signal Separation formula scheme On/descending separate type scheme
Standardized designs Can adopt the standard module construction standard Can not adopt the standard module individual character only
Loss Loss is low But loss flexible allocation
Cost Low relatively High
R﹠D cycle Short Long
Clutter interference Big relatively Little
The passive intermodulation product Big relatively Little
By table as seen: the advantage that cost is low though Signal Separation formula scheme has, the R﹠D cycle is short, it is suppressing there is not advantage aspect the signal interference; The main advantage of up-downgoing separate type scheme is that good antijamming capability is arranged between the higher signal, and its access signal must be up/descending released state, but can not directly be connected with repeater or the dried output port of putting, and makes troubles to engineering construction.
The utility model content
In view of this, the utility model provides a kind of many nets to close channel platform equipment, both can convenient construction, can improve the antijamming capability between the signal again.
A kind of many nets close channel platform equipment, comprise upstream cell, signal access unit, downstream units, wherein, receiving the upstream cell of multiple standard upward signal links to each other with the signal access unit that independently receives described upward signal respectively separately, described signal access unit comprises the branch multiplexer that the last downstream signal with each standard of each standard correspondence separates, described minute multiplexer connects the downstream units that receives downstream signal, and the downstream units that receives downstream signal and downstream signal is closed the road is connected with antenna-feedback system.
Described multiple standard is 5 kinds of standards, is respectively GSM900, CDMA800, GSM1800, CDMA1900, WCDMA.
Described upstream cell comprises a up tri-frequency combiner and two up dual-frequency channel mergers, and up tri-frequency combiner is divided into three the tunnel with the standard upward signal, and wherein one the tunnel for a kind of standard upward signal independently and pass to the signal access unit; In addition two-way is for comprising two kinds of standard upward signals, and two up dual-frequency channel mergers are corresponding separately one the tunnel, and each up dual-frequency channel merger is separated into two kinds of standard upward signals independently the standard upward signal and passes to the signal access unit.
Described signal access unit comprises the signal place in circuit of five tunnel parallel connections, every road comprises standing-wave ratio detection module, coupler, the duplexer of polyphone, each standard signal is by standing-wave ratio detection module and coupler enter corresponding duplexer separately separately, duplexer carries out shunt to each standard uplink and downlink radiofrequency signal, finish the separation of uplink and downlink signal, pass to upstream cell, downstream units more respectively.
Described downstream units comprises two dual-frequency channel mergers, descending tri-frequency combiner, the base station down signal that the signal access unit is sent, every two-way downstream signal is by a dual-frequency channel merger synthetic a tunnel, again with the Third Road signal through a descending tri-frequency combiner and synthetic one the tunnel, by aerial radiation to the overlay area.
Described downstream units is two, downstream signal corresponding to five kinds of standards, each downstream units includes electric bridge, dual-frequency channel merger, descending tri-frequency combiner, the base station down signal that the signal access unit is sent, through separately electric bridge and be divided into two-way, two kinds of standard downstream signals in the downstream signal of these five kinds of standards synthesize one the tunnel by dual-frequency channel merger, two kinds of standard downstream signals are equally by dual-frequency channel merger synthetic a tunnel in addition, the third standard downstream signal and form three road downstream signals in addition, this three road downstream signal is again through a descending tri-frequency combiner and synthetic one the tunnel, by aerial radiation to the overlay area.
Described many nets close channel platform equipment and also comprise a monitoring unit, behind the base station signal input coupler, signal can be told 2 road pilot signals by minute multiplexer, and one the tunnel enters monitoring unit, another road provides port, monitors at any time for the user, is used to understand the situation of base station input signal.
Described standing-wave ratio detection module is connected with monitoring unit by the nine kinds of needles mouth, detects every index and operating state that whole many nets close channel platform equipment and antenna-feedback system.
The effect of the signal that described coupler is coupled out is directly to close at many nets with measuring instrument the operating state of the port base stations detected input signal of channel platform device panel.
Described many nets close electrostatic plastic spraying behind the alramenting of channel platform equipment, inside is made up of the standard subrack of plurality of modulesization, the communication unit of subrack encapsulation different communication function, be respectively signal access unit, upstream cell, downstream units, monitoring/power subsystem, the communication interface unification concentrates on the subrack rear board, realize communication function by the interface cable line between the subrack, the communication interface unification concentrates on the subrack rear board, realizes communication function by the interface cable line between the subrack.
Compared with prior art, net closes channel platform equipment owing to adopt the Signal Separation mode to insert more than the utility model, the output of up-downgoing separate mode, i.e. equal 1 tunnel input of each standard signal that comes from the base station (comprise descending), many nets close channel platform equipment (POI) inner with each standard signal go up descending the separation, carry out upward signal then respectively and close that road and downstream signal close the road and the port by separately is connected with antenna-feedback system, so both can make things convenient for convenient construction, improve the antijamming capability between the signal again.
Description of drawings
Fig. 1 closes channel platform equipment outline drawing for many nets of a kind of system signal separation scheme of prior art;
Fig. 2 on prior art a kind of/many nets of descending separation scheme close channel platform equipment block diagram;
Fig. 3 closes channel platform device structure block diagram for many nets of the utility model better embodiment;
Fig. 4 closes the electrical block diagram of channel platform equipment for net more than the utility model better embodiment;
Fig. 5 closes the monitoring unit structured flowchart of channel platform equipment for net more than the utility model better embodiment;
Fig. 6 closes the upstream cell circuit structure block diagram of channel platform equipment for net more than the utility model better embodiment;
Fig. 7 closes the circuit structure block diagram of the signal access unit of channel platform equipment for net more than the utility model better embodiment;
Fig. 8 closes the GSM900 signal incoming end syndeton schematic diagram of channel platform equipment for net more than the utility model better embodiment;
Fig. 9 closes the downstream units circuit structure block diagram of channel platform equipment for net more than the utility model better embodiment;
Figure 10 closes the 1st layer of scheme of installation of installation of the downstream units of channel platform equipment for net more than the utility model better embodiment;
Figure 11 closes the 2nd layer of scheme of installation of installation of the downstream units of channel platform equipment for net more than the utility model better embodiment;
Figure 12 closes the 3rd layer of scheme of installation of installation of the downstream units of channel platform equipment for net more than the utility model better embodiment.
Embodiment
For the purpose, technical scheme, the advantage that make the utility model is clearer and more definite, clear, the technical scheme of the utility model is described in further detail below in conjunction with embodiment, accompanying drawing.
As shown in Figure 3, for many nets of the utility model better embodiment close channel platform device structure block diagram, many nets close in the rack of channel platform equipment monitoring unit 1, upstream cell 2, signal access unit 3, downstream units 4, filler panel 5 generally are housed from top to bottom, wherein filler panel is a headspace, in order to system upgrade.
Many nets close the concrete size of channel platform equipment can be according to user's decorum demand decision, as uses 19 cun standard cabinets, and electrostatic plastic spraying behind the alramenting satisfies the requirement of indoor environment to system, good looking appearance, generous fully.Inside is made up of the standard subrack of plurality of modulesization, the communication unit of subrack encapsulation different communication function, the communication interface unification concentrates on the subrack rear board, realize communication function by the interface cable line between the subrack, the communication interface unification concentrates on the subrack rear board, realize communication function by the interface cable line between the subrack, built-in 4 19 cun standard PC cases of rack (unit) are respectively signal access unit 3, upstream cell 2, downstream units 4, monitoring/power subsystem 1.Open the rack back door, can directly carry out cable and connect, or certain is independently carried out testing performance index in the unit, whole system is easy to maintenance quick, is convenient to personnel's operation.Because each communication unit is by the encapsulation of standard subrack, subrack is equipped with handle, and handled easily can directly be hauled out subrack to the rack outside, separately its internal module is safeguarded.The employing of each module directly is the half steel cable assembly connection of 3.6mm in the cabinet, and each interface has clear and definite silk-screen sign, and the unified top that concentrates on rack of whole POI system signal output makes things convenient for user job.
Many nets close channel platform equipment and adopt the Signal Separation mode to insert, the output of up-downgoing separate mode.I.e. equal 1 tunnel input of each standard signal that comes from the base station (comprise descending), many nets close channel platform equipment (POI) inner with each standard signal go up descending the separation, carry out respectively then upward signal close road and downstream signal close the road also the port by separately be connected with antenna-feedback system.Annexation can be as shown in Figure 4, the downstream units 4 that many nets of this better embodiment close channel platform equipment comprises two downstream units 41,42, then annexation is that upstream cell 2, downstream units 41,42 all link to each other with signal access unit 3, and separately concrete structure and function are as described below.
Monitoring unit 1 is mainly used in the operating state of implementing monitoring POI equipment, alarm function is monitored and be provided with to the key technical indexes, and can testing result be fed back to the remote network management system by wireless transmission method.Its concrete internal components figure such as Fig. 5 mainly comprise LED display panel 10, monitor board 11, rectifier 12,485-232 transducer 13, and storage battery 14, and each device is interconnected according to logical relation by twisted-pair feeder, and is the same with prior art, do not repeat them here.
The many nets of the utility model close channel platform equipment and adopt new many nets to close the road mode: the Signal Separation mode inserts, and the output of up-downgoing separate mode is so main improvement is upstream cell 2, downstream units 41,42 or the like.
As shown in Figure 6, to be signals of sending of the mobile phone with different systems transfer to up POI through the collection of antenna-feedback system through feeder line to upstream cell 2 major functions, is sent to different operator base stations detect the signal of different frequency range through POI after.Its theory of constitution is: the upward signal of the various mobile phone emissions that antenna receives is earlier through a up tri-frequency combiner, with each road division of signal is three the tunnel, is respectively the up up road signal that closes of road signal, GSM1800 upward signal, CDMA1900 and WCDMA that closes of GSM900 and CDMA800.Afterwards, GSM900 and CDMA800 close the road signal through passing through a dual-frequency channel merger the signal screening processing of frequency range separately, send into signal access unit 3, and GSM1800 then directly sends into signal access unit 3.The road signal that closes of CDMA1900 and WCDMA enters corresponding dual-frequency channel merger equally, after screening each contented upward signal is sent into the signal access unit.Wherein the effect of electric bridge is upward signal to be divided into two-way enter POI.
As shown in Figure 7, signal access unit 3, every road radiofrequency signal inserts POI from each contented base station, at first wants entering signal access unit 3.In this better embodiment, signal access unit 3 has five the road and inserts, be respectively applied for GSM900, CDMA800, GSM1800, CDMA1900, WCDMA, wherein the frequency range of GSM900 correspondence is that the frequency range of 885~909MHz/950~954MHz, CDMA800 correspondence is that the frequency range of 825~835MHz/870~880MHz, GSM1800 correspondence is that the frequency range of 1725~1755MHz/1840~1850MHz, CDMA1900 correspondence is that the frequency range of 1900~1905MHz/1980~1985MHz, WCDMA correspondence is 1920~1980MHz/2110~2170MHz.
Each road place in circuit is by the standing-wave ratio detection module of polyphone, coupler, duplexer is formed, signal enters corresponding separately efficient duplexer by standing-wave ratio detection module and 30dB coupler, in each operator, downlink radio-frequency signal carries out effective shunt, finish in POI inside, the separation of downstream signal, again with upstream cell 2, downstream units 41,42 are connected, duplexer is with GSM900, CDMA800, GSM1800, CDMA1900, the WCDMA upward signal is passed to upstream cell 2, duplexer is with GSM900, CDMA800, the downstream signal of GSM1800 is passed to downstream units 41, and duplexer is with CDMA1900, the downstream signal of WCDMA is passed to downstream units 42.
Preposition duplexer can solve the transmitting-receiving isolating problem at input, guarantees that system's transmitting-receiving does not produce interference.Each frequency range high-performance duplexer, POI system isolation can arrive 90dB.Be convenient monitoring to the base station input signal, behind the base station signal input coupler, signal can be told 2 road pilot signals by minute multiplexer, one the tunnel enters the POI monitoring unit, another road provides port, monitors at any time for the user, only the situation that needs general frequency spectrograph or power meter just can understand the base station input signal.Wherein the standing-wave ratio detection module is connected with monitoring module by the nine kinds of needles mouth, detects the every index and the operating state of whole POI and antenna-feedback system; The effect of the signal that the 30dB coupler is coupled out is can be with measuring instrument directly in the operating state of the port base stations detected input signal of POI panel.
The structure of each road place in circuit is similar substantially, be that example describes only below with GSM900 signal incoming end, as shown in Figure 8, for GSM900 signal incoming end syndeton schematic diagram, on a fixed head, be provided with standing wave detection module 31, GSM900 duplexer 32,30dB coupler 33 successively.
As shown in Figure 9, electrical block diagram for downstream units 41,42, the downstream units of downstream units 41,42 is installed the 1st, 2,3 layer of scheme of installation can be respectively shown in Figure 10,11,12, as shown in figure 10, downstream units is installed the 1st layer, and 30dB coupler 51, standing-wave ratio detection module 52, descending tri-frequency combiner 53, the descending dual-frequency channel merger 54 of CDMA1900/WCDMA, the descending dual-frequency channel merger 55 of CDMA/GSM are installed; As shown in figure 11, downstream units is installed the 2nd layer, and two 3dB electric bridges 61 arranged side by side and three 50W matched loads 62 arranged side by side are installed; As shown in figure 12, downstream units install the 3rd layer with downstream units install the 1st layer similar substantially, 30dB coupler 71, standing-wave ratio detection module 72, descending tri-frequency combiner 73, the descending dual-frequency channel merger 74 of CDMA1900/WCDMA, the descending dual-frequency channel merger 75 of CDMA/GSM are installed.
The major function of downstream units 41,42 is to deliver to shared antenna-feedback system after the carrier signal of each operator's different frequency range is synthesized.Its operation principle is as follows: the base station down signal that signal access unit 3 is sent, be divided into two-way through each contented electric bridge, and form two cover downstream units.GSM900 in this five road downstream signal, CDMA800 signal synthesize one the tunnel by corresponding dual-frequency channel merger, and CDMA1900 and WCDMA signal pass through corresponding dual-frequency channel merger equally and synthesize one the tunnel, in addition GSM1800 and form three road downstream signals.This three road signal is again through a descending tri-frequency combiner and synthetic one the tunnel, by aerial radiation to the overlay area.
Though the utility model is described with reference to current better embodiment; but those skilled in the art will be appreciated that; above-mentioned better embodiment only is used for illustrating the utility model; be not to be used for limiting protection range of the present utility model; any within spirit of the present utility model and principle scope; any modification of being done, equivalence replacement, improvement etc. all should be included within the rights protection scope of the present utility model.

Claims (8)

1. net closes channel platform equipment more than one kind, comprise upstream cell, signal access unit, downstream units, it is characterized in that: receive the upstream cell of multiple standard upward signal and link to each other with the signal access unit that independently receives described upward signal respectively separately, described signal access unit comprises the branch multiplexer that the last downstream signal with each standard of each standard correspondence separates, described minute multiplexer connects the downstream units that receives downstream signal, and the downstream units that receives downstream signal and downstream signal is closed the road is connected with antenna-feedback system.
2. a kind of many nets as claimed in claim 1 close channel platform equipment, it is characterized in that: described upstream cell comprises a up tri-frequency combiner and two up dual-frequency channel mergers, with the standard upward signal be divided into three tunnel up tri-frequency combiner respectively with receive wherein one the tunnel and link to each other for a kind of signal access unit of standard upward signal independently, and be that two up dual-frequency channel mergers that comprise two kinds of standard upward signals link to each other with receiving other two-way, being separated into two kinds of standard upward signals independently, the described up dual-frequency channel merger of standard upward signal links to each other with the signal access unit of the described upward signal of reception.
3. a kind of many nets as claimed in claim 1 close channel platform equipment, it is characterized in that: described signal access unit comprises the signal place in circuit of five tunnel parallel connections, every road signal place in circuit comprises standing-wave ratio detection module, coupler, the duplexer of polyphone, each standard uplink and downlink radiofrequency signal is carried out duplexer along separate routes, link to each other with upstream cell, downstream units respectively.
4. a kind of many nets as claimed in claim 1 close channel platform equipment, it is characterized in that: described downstream units comprises two dual-frequency channel mergers, descending tri-frequency combiner, sending the signal access unit of base station down signal links to each other with the dual-frequency channel merger that every two-way downstream signal is synthesized a tunnel, described dual-frequency channel merger again with described synthetic one tunnel signal and Third Road signal and synthetic one tunnel descending tri-frequency combiner links to each other, described descending tri-frequency combiner links to each other with the antenna that downstream signal is radiated the overlay area.
5. a kind of many nets as claimed in claim 1 close channel platform equipment, it is characterized in that: described downstream units is two, downstream signal corresponding to five kinds of standards, each downstream units includes electric bridge, dual-frequency channel merger, descending tri-frequency combiner, the signal access unit of sending the downstream signal of the five kinds of standards in base station links to each other with five electric bridges that described downstream signal are divided into two-way, described electric bridge links to each other with two dual-frequency channel mergers with the downstream signal synthetic a tunnel of two kinds of standards, described two dual-frequency channel mergers with receive the third standard downstream signal and a descending tri-frequency combiner of three road downstream signals synthetic a tunnel linked to each other, described descending tri-frequency combiner links to each other with the antenna that downstream signal is radiated the overlay area.
6. a kind of many nets as claimed in claim 4 close channel platform equipment, it is characterized in that: described many nets close channel platform equipment and also comprise a monitoring unit, the coupler that receives base station signal links to each other with the branch multiplexer of described base station signal being told 2 road pilot signals, and the monitoring unit of understanding the situation of base station input signal receives described one road pilot signal.
7. a kind of many nets as claimed in claim 4 close channel platform equipment, it is characterized in that: the whole many nets of described detection close channel platform equipment and are connected with monitoring unit by the nine kinds of needles mouth with the every index of antenna-feedback system and the standing-wave ratio detection module of operating state.
8. a kind of many nets as claimed in claim 1 close channel platform equipment, it is characterized in that: described many nets close the channel platform device interior and are made up of the standard subrack of plurality of modulesization, the communication unit of subrack encapsulation different communication function, be respectively signal access unit, upstream cell, downstream units, monitoring/power subsystem, the communication interface unification concentrates on the subrack rear board, realize communication function by the interface cable line between the subrack, the communication interface unification concentrates on the subrack rear board, connects by the interface cable line between the subrack.
CNU2006200152880U 2006-10-18 2006-10-18 Multi-network multiplexing platform equipment Expired - Fee Related CN201018618Y (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107565988A (en) * 2017-09-27 2018-01-09 无锡神探电子科技有限公司 A kind of design of 4G full frequency bands power amplifier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107565988A (en) * 2017-09-27 2018-01-09 无锡神探电子科技有限公司 A kind of design of 4G full frequency bands power amplifier
CN107565988B (en) * 2017-09-27 2020-05-05 无锡神探电子科技有限公司 4G full-band power amplifier equipment

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Granted publication date: 20080206

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