CN203942529U - Through-type POI signal transferring device and through-type POI equipment - Google Patents
Through-type POI signal transferring device and through-type POI equipment Download PDFInfo
- Publication number
- CN203942529U CN203942529U CN201420329109.5U CN201420329109U CN203942529U CN 203942529 U CN203942529 U CN 203942529U CN 201420329109 U CN201420329109 U CN 201420329109U CN 203942529 U CN203942529 U CN 203942529U
- Authority
- CN
- China
- Prior art keywords
- signal
- quadrature bridge
- band
- type poi
- transferring device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 12
- 238000012545 processing Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 5
- 238000002955 isolation Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Radio Relay Systems (AREA)
Abstract
A kind of through-type POI signal transferring device and through-type POI equipment, through-type POI signal transferring device receives respectively multichannel the first repeating signal and multichannel the second repeating signal by the logical mixer of the first band and the logical mixer of the second band, closes respectively road and processes and obtain and send first closing road signal and second and closing first input end mouth and second input port of road signal to quadrature bridge.Quadrature bridge closes road signal and second to first and closes road signal and carry out Phase Processing, obtains and export the first output signal and the second output signal, is used separately as through two antenna-feedback systems transmittings, realizes the relay process of signal.Access through connect signal the second output port output signal corresponding with through connect signal by quadrature bridge by the first output port of quadrature bridge, as through antenna-feedback system transmitting, realize the straight-through processing of signal.Realize the straight-through processing of signal by quadrature bridge, cost is low, easy and simple to handle and signal isolation effect is better, has improved mobile covering index.
Description
Technical field
The utility model relates to communication technical field, particularly relates to a kind of through-type POI signal transferring device and through-type POI equipment.
Background technology
In tunnel, the strip such as subway and high ferro uses Lou cable to cover to carry out data communication conventionally, the transmittability of signal is relevant with frequency, the higher loss of frequency is larger.Hundred meters of transmittabilities of signal of different frequency range differ larger, overwrite procedure medium and low frequency system capacity causes in the time that enough can also continue to transmit, what radio frequency system had declined can not continue to cover, therefore need to add POI (Point Of Interface, multi-system access platform) equipment and repeater (can be also that the active multiplying arrangements such as RRU (Radio Remote Unit, Remote Radio Unit) carry out continuing transmission after signal amplification again.
The website length such as some tunnel or high ferro are larger, signal be transferred to a certain apart from time, signal a little less than, need to continue to cover, now use whole system information sources at this node access POI, continue transmission and cover, this POI is relay-type POI.In the time covering certain distance, higher frequency signal energy deficiency, needs amplifying signal to transmit.Now the information source of low-frequency range continues transmission, and the information source of high band need to be used the equipment relay transmission such as repeater, and this have relaying to have again straight-through POI to signal, is called through-type POI.
Traditional through-type POI equipment comprises two groups of preposition mixers and two groups of rear class mixers, by needing the signal access high frequency port of relaying, closes road process by two groups of preposition mixers.Low frequency signal enters one group of rear class mixer in POI equipment by antenna feeder port, closes road signal after treatment and low frequency signal and transfers to another group rear class mixer and again close after process on road and exported by another antenna feeder port, realizes straight-through transmission.Could realize the straight-through High Frequency Relay function of low frequency because needs increase the realization of rear class mixer, there is the shortcoming that cost is high in traditional through-type POI equipment.
Utility model content
Based on this, be necessary for the problems referred to above, a kind of through-type POI signal transferring device reducing costs and through-type POI equipment are provided.
A kind of through-type POI signal transferring device, comprises that the first band leads to mixer, the logical mixer of the second band and quadrature bridge,
The output port of the logical mixer of described the first band connects the first input end mouth of described quadrature bridge, and the output port of the logical mixer of described the second band connects the second input port of described quadrature bridge.
Above-mentioned through-type POI signal transferring device, receive respectively multichannel the first repeating signal and multichannel the second repeating signal by the logical mixer of the first band and the logical mixer of the second band, close respectively road and process and obtain and send first closing road signal and second and closing first input end mouth and second input port of road signal to quadrature bridge.Quadrature bridge closes road signal and second to first and closes road signal and carry out Phase Processing, and export the first output signal by the first output port of quadrature bridge, the second output port by quadrature bridge is exported the second output signal, be used separately as through two antenna-feedback system transmittings, realize the relay process of signal.Access through connect signal the second output port output signal corresponding with through connect signal by quadrature bridge by the first output port of quadrature bridge, as through antenna-feedback system transmitting, realize the straight-through processing of signal.Realize the straight-through processing of signal by quadrature bridge, cost is low, easy and simple to handle and signal isolation effect is better, has improved mobile covering index.
A kind of through-type POI equipment, comprises first day feedback system, the second antenna-feedback system and above-mentioned through-type POI signal transferring device,
Described first day feedback system is connected with the first output port of described quadrature bridge, and described the second antenna-feedback system is connected with the second output port of described quadrature bridge.
Above-mentioned through-type POI equipment, by above-mentioned through-type POI signal transferring device, has the straight-through processing capacity of signal easily, and cost is low, easy and simple to handle and signal isolation effect is better, has improved mobile covering index.
Brief description of the drawings
Fig. 1 is the structure chart of through-type POI signal transferring device in an embodiment;
Fig. 2 be in an embodiment through connect signal flow through through-type POI signal transferring device phase place change schematic diagram;
Fig. 3 is the structure chart of through-type POI equipment in an embodiment.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.A lot of details are set forth in the following description so that fully understand the utility model.But the utility model can be implemented to be much different from alternate manner described here, those skilled in the art can do similar improvement without prejudice to the utility model intension in the situation that, and therefore the utility model is not subject to the restriction of following public specific embodiment.
It should be noted that, when element is called as " being fixed on " another element, it can be directly on another element or also can have an element placed in the middle.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.
Unless otherwise defined, all technology that use are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present utility model with scientific terminology.The term using in specification of the present utility model herein, just in order to describe the object of specific embodiment, is not intended to be restriction the utility model.
A kind of through-type POI signal transferring device, as shown in Figure 1, through-type POI signal transferring device comprises the logical mixer 110 of the first band, the logical mixer 120 of the second band and quadrature bridge 130.
The output port of the logical mixer 110 of the first band connects the first input end mouth of quadrature bridge 130, the logical mixer 110 of the first band, for accessing multichannel first repeating signal of corresponding frequency band and closing road and process, obtains and exports first and close road signal to quadrature bridge 130.
The output port of the logical mixer 120 of the second band connects the second input port of quadrature bridge 130, the logical mixer 120 of the second band, for accessing multichannel second repeating signal of corresponding frequency band and closing road and process, obtains and exports second and close road signal to quadrature bridge 130.
The first output port of quadrature bridge 130 receives through connect signal, quadrature bridge 130 closes road signal and carries out Phase Processing for closing road signal and second to first, and export the first output signal by the first output port of quadrature bridge 130, export the second output signal and the signal corresponding with through connect signal by the second output port of quadrature bridge 130.
Therein in an embodiment, the first output signal comprises the signal that closes road signal phase and differ 90 degree with first, and with the second signal that closes road signal phase and differ 180 degree; The second mixed signal comprises the signal that closes road signal phase and differ 180 degree with first, and with the second signal that closes road signal phase and differ 90 degree.
Particularly, quadrature bridge 130 comprises two inputs and two outputs.In the present embodiment, two of quadrature bridge 130 inputs are respectively as first input end mouth and the second input port, receive respectively first and close road signal and second and close road signal.In two outputs of quadrature bridge 130, with first output port of the direct-connected port of the second input port as quadrature bridge 130, output the first output signal and reception through connect signal.Another output of quadrature bridge 130, as the second output port, is exported the second output signal and the signal corresponding with through connect signal.
Quadrature bridge refers to the electric bridge that output port phase phasic difference 90 is spent, and signal produces the signal of two 90 degree phase differences after quadrature bridge.First closes road signal after quadrature bridge 130, obtains closing with first the signal that road signal amplitude is identical, phase phasic difference 90 is spent at the first output of quadrature bridge 130; And obtain closing with first the signal that road signal amplitude is identical, phase phasic difference 180 is spent at the second output port of quadrature bridge 130.Second closes road signal after quadrature bridge 130, obtain closing with second the signal that road signal amplitude is identical, phase phasic difference 180 is spent at the first output port of quadrature bridge 130, and obtain closing with second the signal that road signal amplitude is identical, phase phasic difference 90 is spent at the second output port of quadrature bridge 130.
Being appreciated that in other embodiments, can be also by two outputs of quadrature bridge 130, and the port being directly connected with first input end mouth, as the first output port, is exported the first output signal; Another output of quadrature bridge 130, as the second output port, is exported the second output signal.The signal type that the first output signal and the second output signal comprise is just contrary with above-mentioned situation, and the first output signal comprises the signal that closes road signal phase and differ 180 degree with first, and with the second signal that closes road signal phase and differ 90 degree; The second output signal comprises the signal that closes road signal phase and differ 90 degree with first, and with the second signal that closes road signal phase and differ 180 degree.
Therein in an embodiment, multichannel the first repeating signal comprises that frequency is more than or equal to the signal of 1700MHz, specifically can comprise TD-F & A (B) standard signal, TD-LTE2.3G (B) standard signal, LTE1800 (B) standard signal and CDMA2000 (B) standard signal etc.
Multichannel the second repeating signal comprises that frequency is more than or equal to the signal of 1700MHz, specifically can comprise TD-F & A (B) standard signal, TD-LTE2.3G (B) standard signal, TD-LTE2.6G (B) standard signal, LTE1800 (B) standard signal and WCDMA standard signal etc.
In the present embodiment, be all using 1700MHz as the frequency threshold of dividing multichannel the first repeating signal and multichannel the second repeating signal.Be appreciated that in other embodiments, the frequency threshold of dividing multichannel the first repeating signal and multichannel the second repeating signal is not unique, and can be identical also can be different.In addition the kind that, multichannel the first repeating signal described above and multichannel the second repeating signal specifically comprise is not unique yet.
Adjust the quantity of the input port of the logical mixer 110 of the first band and the logical mixer 120 of the second band according to the quantity of access signal, the passband of the logical mixer 110 of the first band and the logical mixer 120 of the second band is corresponding with the frequency band of access signal.Utilize the logical mixer 110 of the first band and the logical mixer 120 of the second band to access multiple signals, close after process on road and export through quadrature bridge 130, launch as antenna-feedback system, realize high-frequency signal relay transmission.
In an embodiment, through connect signal is the signal that frequency is less than or equal to 1000MHz therein, can be specifically GSM900 standard signal and CDMA800 standard signal etc.The first output port access through connect signal of quadrature bridge 130, the second output port output signal corresponding with through connect signal.It should be noted that, as mentioned above, the first output port and second port of quadrature bridge 130 are not changeless, therefore quadrature bridge 130 access the port of through connect signal neither be changeless.
Below in conjunction with accompanying drawing, the operation principle of through-type POI signal transferring device access through connect signal is elaborated.Be illustrated in figure 2 through connect signal flow through through-type POI signal transferring device phase place change schematic diagram.In two outputs with quadrature bridge 130, with the direct-connected port of the second input port be example as the first output port, through connect signal is accessed by the first output port of quadrature bridge 130, first input end mouth at quadrature bridge 130 obtains with the second input port the signal that two-way amplitude is identical, have 90 degree phase differences, a phase place is Ф, another phase place is Ф-90 degree, supposes that for convenience a phase place is for-90 degree, and another phase place is-180 degree.The signal of-90 degree phase places and-180 degree phase places transfers to respectively the logical mixer 110 of the first band and the logical mixer 120 of the second band, because signal cannot be by the logical mixer 110 of the first band and the logical mixer 120 of the second band, there is total reflection, phase overturn 180 is spent, the signal of-90 degree phase places becomes the signal of-270 degree phase places, and the signal of-180 degree phase places becomes the signal of 0 degree phase place.Two signals pass through quadrature bridge 130 again, produce respectively the different signal of 2 tunnel amplitude same phase, there is the same amplitude of 0 degree and-180 degree at the first output port of quadrature bridge 130, the signal of single spin-echo, power is offset no signal output, there is the same amplitude of two-90 degree at the second output port of quadrature bridge 130, synchronous signal, producing stack makes signal power equal the power of the through connect signal of the first output port input, after can be regarded as the first output port input of signal by quadrature bridge 130, exported by the second output port again, complete straight-through transmission.
It should be noted that, it is not unique when the logical mixer 110 of the first band and logical mixer 120 reflected signal of the second band, making signal phase turn over turnback, according to the difference of actual design, 180 degree not necessarily herein, such as when design open circuit phase overturn 0 spend, when short circuit, phase overturn is only 180 degree, but design in any case, the phase places of two logical mixer upsets of band will keep identical, and it is 0 degree that the upset of reflex time is differed, and does not change the phase difference value of original signal.
Therein in an embodiment, through-type POI signal transferring device also comprises the first connector and the second connector, the logical mixer 110 of the first band is connected with the first input end mouth of quadrature bridge 130 by the first connector, and the logical mixer 120 of the second band is connected with the second input port of quadrature bridge 130 by the second connector.
The first connector and the second connector can be specifically cable or joint etc.Further, in the present embodiment, the first connector and the second connector is equal in length, avoids, because length does not wait the signal phase difference change that causes transmission, improving stable signal transmission.
In an embodiment, through-type POI signal transferring device also comprises protecting sheathing therein, and the logical mixer 110 of the first band, the logical mixer 120 of the second band and quadrature bridge 130 are contained in protecting sheathing.Protecting sheathing can effectively reduce the external force such as shock causes the possibility of damage to the logical mixer 110 of the first band, the logical mixer 120 of the second band and quadrature bridge 130, improve the safety in utilization of through-type POI signal transferring device.
Above-mentioned through-type POI signal transferring device, receive respectively multichannel the first repeating signal and multichannel the second repeating signal by the logical mixer 110 of the first band and the logical mixer 120 of the second band, close respectively road and process and obtain and send first closing road signal and second and closing first input end mouth and second input port of road signal to quadrature bridge 130.Quadrature bridge 130 closes road signal and second to first and closes road signal and carry out Phase Processing, obtains and export the first output signal and the second output signal, is used separately as through two antenna-feedback systems transmittings, realizes the relay process of signal.Access through connect signal the second output port output signal corresponding with through connect signal by quadrature bridge by the first output port of quadrature bridge 130, as through antenna-feedback system transmitting, realize the straight-through processing of signal.Realize the straight-through processing of signal by quadrature bridge 130, cost is low, easy and simple to handle and signal isolation effect is better, has improved mobile covering index.
A kind of through-type POI equipment, as shown in Figure 3, through-type POI equipment comprises first day feedback system 210, the second antenna-feedback system 220 and above-mentioned through-type POI signal transferring device 100.
First day feedback system 210 is connected with the first output port of quadrature bridge 130, for receiving and launching the first output signal, and accesses and transmits through connect signal to quadrature bridge 130.
The second antenna-feedback system 220 is connected with the second output port of quadrature bridge 130, for receiving and launching the second output signal and the signal corresponding with through connect signal.
Through-type POI equipment access multichannel the first repeating signal, multichannel the second repeating signal and through connect signal, export detailed process and the principle of the first output signal, the second output signal and the signal corresponding with through connect signal and carried out more detailed explaining in above-mentioned through-type POI signal transferring device, do not repeat at this.
Above-mentioned through-type POI equipment, by above-mentioned through-type POI signal transferring device 100, has the straight-through processing capacity of signal easily, and cost is low, easy and simple to handle and signal isolation effect is better, has improved mobile covering index.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (5)
1. a through-type POI signal transferring device, is characterized in that, comprises that the first band leads to mixer, the logical mixer of the second band and quadrature bridge,
The output port of the logical mixer of described the first band connects the first input end mouth of described quadrature bridge, and the output port of the logical mixer of described the second band connects the second input port of described quadrature bridge.
2. through-type POI signal transferring device according to claim 1, it is characterized in that, also comprise the first connector and the second connector, the logical mixer of described the first band is connected with the first input end mouth of described quadrature bridge by described the first connector, and the logical mixer of described the second band is connected with the second input port of described quadrature bridge by described the second connector.
3. through-type POI signal transferring device according to claim 2, is characterized in that, described the first connector and the second connector equal in length.
4. through-type POI signal transferring device according to claim 1, is characterized in that, also comprises protecting sheathing, and the logical mixer of described the first band, the logical mixer of the second band and quadrature bridge are contained in described protecting sheathing.
5. a through-type POI equipment, is characterized in that, comprises the through-type POI signal transferring device described in first day feedback system, the second antenna-feedback system and claim 1 to 4 any one,
Described first day feedback system is connected with the first output port of described quadrature bridge, and described the second antenna-feedback system is connected with the second output port of described quadrature bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329109.5U CN203942529U (en) | 2014-06-19 | 2014-06-19 | Through-type POI signal transferring device and through-type POI equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329109.5U CN203942529U (en) | 2014-06-19 | 2014-06-19 | Through-type POI signal transferring device and through-type POI equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203942529U true CN203942529U (en) | 2014-11-12 |
Family
ID=51861813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420329109.5U Expired - Lifetime CN203942529U (en) | 2014-06-19 | 2014-06-19 | Through-type POI signal transferring device and through-type POI equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203942529U (en) |
-
2014
- 2014-06-19 CN CN201420329109.5U patent/CN203942529U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103236868B (en) | Signal transmitting and receiving module and mobile communication terminal | |
| CN108880624B (en) | SOC communication chip combining NFC, power line carrier and wireless communication module | |
| CN202957994U (en) | Multimode coverage system | |
| CN208768305U (en) | A kind of remote transport gateway based on LoRa technology | |
| CN204272392U (en) | Multi-system access platform | |
| CN203608366U (en) | LTE indoor covering system | |
| CN208444011U (en) | The miniature navigational communications module of compatible Integrated Service Digital Network antenna | |
| CN201994933U (en) | Wireless fidelity (WIFI) module | |
| CN104052537A (en) | Through type POI signal transfer device and through type POI equipment | |
| CN201222725Y (en) | Multi-mode wireless communication device and signal transmission module | |
| CN203942529U (en) | Through-type POI signal transferring device and through-type POI equipment | |
| CN202309696U (en) | Multisystem common antenna/feeder line module and base station thereof | |
| CN205376722U (en) | Electric bridge module and standing wave monitoring system | |
| CN104052530A (en) | POI expansion device and POI expansion system | |
| CN111147119B (en) | DAS combiner system | |
| CN204145491U (en) | A kind of network data Integrated Service Digital Network transmitter | |
| CN210111996U (en) | Device for realizing communication between PLC carrier module and wireless communication module | |
| CN103165967B (en) | A kind of coupler and the common transport system based on repeater room subsystem | |
| CN203368730U (en) | High fidelity 5.1 channel wireless audio system | |
| CN103037384B (en) | Co-cable transmission and MIMO is adopted to carry out system and the network-building method of quorum sensing inhibitor | |
| CN103619079B (en) | TD-SCDMA base station in cable tunnel | |
| CN201499168U (en) | Mobile terminal infra-ray circuit and mobile terminal for connecting SIM card | |
| CN204465525U (en) | A kind of multi-core multi-channel medium-frequency receiving and sending device | |
| CN205050338U (en) | Intelligently fusing terminal based on infrared signal transmit system | |
| CN103269469A (en) | High fidelity 5.1 sound track wireless sound system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190307 Address after: 510730 No. 6 Jinbi Road, Guangzhou Economic and Technological Development Zone, Guangzhou, Guangdong Province Patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Address before: 510663 No. 10 Shenzhou Road, Science City, Luogang District, Guangzhou City, Guangdong Province Patentee before: COMBA TELECOM SYSTEMS (CHINA) Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141112 |