CN202111862U - Multifunctional micropower indoor distribution system - Google Patents
Multifunctional micropower indoor distribution system Download PDFInfo
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- CN202111862U CN202111862U CN2011201983308U CN201120198330U CN202111862U CN 202111862 U CN202111862 U CN 202111862U CN 2011201983308 U CN2011201983308 U CN 2011201983308U CN 201120198330 U CN201120198330 U CN 201120198330U CN 202111862 U CN202111862 U CN 202111862U
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Abstract
The utility model provides a multifunctional micropower indoor distribution system which comprises a main unit, an expansion unit and a far-end unit that are sequentially connected, wherein the main unit comprises a filter or a duplexer, a modulator-demodulator, a first power supply unit, a monitor unit, a first exchange machine, and a main unit digital board which is connected to an expansion unit digital board, and the main unit digital board is a circuit board used for processing network data and radio frequency signal data; the expansion unit comprises a second power supply unit, a second exchange machine, an expansion unit digital board which is connected to the far-end unit and is a circuit board for processing the network data and the radio frequency signal data; and the far-end unit is a circuit board used for processing network data and radio frequency signal data, and providing the PD (potential difference) with an internet interface and a power supply. The multifunctional micropower indoor distribution system has multiple functions of covering signals, reducing coordinate tenement construction and lowering noise, spreading networks, and the like,.
Description
[technical field]
The utility model relates to the field of a kind of repeater and the Internet, is meant a kind of field that is used for mobile phone signal and the Internet indoor wireless compartment system especially.
[background technology]
China Mobile has set up the network of multiple communication standard at present; The mobile communications network and the broadband network that comprise different systems such as GSM900, DCS1800, TD-SCDMA, WLAN; Serious, the constructional difficulties of many net construction overlapping investment, unification solves the difficult problem that the indoor covering problem of multiple network ShareBuilder thing becomes networking person.
The routing issue of large-scale wireless shrouding system is more and more outstanding simultaneously, and the integrated construction of broadband network and wireless network is the inexorable trend of future development.Present large-scale wireless shrouding system following several big problem arranged: the feeder line cost is too high, and the owner coordinates difficulty, the network interferences that the carrier frequency scheduling of burst service, amplifier bring, the trend day by day of energy-saving and emission-reduction.
Adopted the method that is transmission medium with the coaxial cable, directly amplifies to solve the indoor signal covering problem in addition in a large number with the base station radio-frequency signal; This type of solution is in order to realize building; Especially the indoor covering of large stadium and universities and colleges generally adopts powerful base station to make signal source, uses the loss of trunk amplifier compensating coaxial cable to radiofrequency signal; The noise that makes is introduced serious, especially the noise of upward signal.The introducing of uplink signal noise will directly influence the receiving sensitivity and the coverage of base station, reduce the user capacity of system; Simultaneously, to lay problem such as constructional difficulties very outstanding for a large amount of coaxial cables.
[utility model content]
The technical problem that the utility model will solve is to provide a kind of multi-functional micropower indoor distributed system, and it can have simultaneously, and signal covers, the minimizing property is coordinated construction, it is multi-functional to reduce noise, network transparent transmission etc.
The utility model is achieved in that
A kind of multi-functional micropower indoor distributed system of the utility model, it comprises master unit, expanding element, far-end unit, and wherein said master unit is connected in expanding element, and said expanding element is connected in far-end unit,
Said master unit comprises: filter or duplexer, modulator-demodulator, first power supply unit, monitoring unit, first switch, master unit digiboard; Said filter or duplexer are connected respectively to modulator-demodulator, master unit digiboard; Said modulator-demodulator is connected respectively to first power supply unit and master unit digiboard; Said first power supply unit is connected respectively to monitoring unit, first switch; Said first switch is connected to the master unit digiboard, and the master unit digiboard is connected to the expanding element digiboard, and said master unit digiboard is the circuit board that is used to carry out network data, radiofrequency signal data processing;
Said expanding element comprises: second power supply unit, second switch, expanding element digiboard; Said second power supply unit is connected respectively to expanding element digiboard, second switch; Said second switch is connected to the expanding element digiboard; Said expanding element digiboard is also connected to far-end unit, and said expanding element digiboard is the circuit board that is used to carry out network data, radiofrequency signal data processing;
Said far-end unit is for being used to carry out network data, radiofrequency signal data processing, the circuit board of network interface and power supply function being provided for PD.
Further; Said master unit digiboard is the TD-SCDMA standard; Be provided with: a relay, an AD conversion chip, a DA conversion chip, first fpga chip, a plurality of first optical module, an a plurality of RJ45 exchange mouth, a RJ45 external tapping, a monitoring chip, a downstream mixer, a upstream mixer, a local oscillator chip; Said downstream mixer, upstream mixer are connected to local oscillator chip and relay respectively; The local oscillator chip is connected to monitoring chip; Downstream mixer is connected to first fpga chip through the AD conversion chip, and upstream mixer is connected to first fpga chip through the DA conversion chip, and said RJ45 external tapping, a plurality of first optical module and RJ45 exchange mouth all are connected to first fpga chip;
Said far-end unit is the TD-SCDMA standard accordingly; Said far-end unit is provided with: one the 3rd fpga chip, at least two the 2nd RJ45 transmission mouths, a DA conversion chip, an AD conversion chip, a dielectric filter, a upstream mixer, a downstream mixer, a local oscillator chip, a monitoring chip, a relay; Said dielectric filter is connected to a relay; Said relay is connected respectively to upstream mixer, downstream mixer; Said upstream mixer is connected to the 3rd fpga chip through the AD conversion chip; Said downstream mixer is connected to the 3rd fpga chip through the DA conversion chip, and said monitoring chip, upstream mixer, downstream mixer all are connected to the local oscillator chip, and said the 2nd RJ45 transmission mouth all is connected to the 3rd fpga chip.
Further; Said master unit digiboard is non-TD-SCDMA standard; Be provided with: an AD conversion chip, a DA conversion chip, first fpga chip, a plurality of first optical module, an a plurality of RJ45 exchange mouth, a RJ45 external tapping, a monitoring chip, a downstream mixer, a upstream mixer, a local oscillator chip; Said downstream mixer, upstream mixer all are connected to the local oscillator chip; The local oscillator chip is connected to monitoring chip; Downstream mixer is connected to first fpga chip through the AD conversion chip, and upstream mixer is connected to first fpga chip through the DA conversion chip, and said RJ45 external tapping, a plurality of first optical module and RJ45 exchange mouth all are connected to first fpga chip;
Said far-end unit is corresponding non-TD-SCDMA standard; Said far-end unit is provided with: one the 3rd fpga chip, at least two the 2nd RJ45 transmission mouths, a DA conversion chip, an AD conversion chip, a dielectric duplexer, a upstream mixer, a downstream mixer, a local oscillator chip, a monitoring chip; Said dielectric duplexer is connected respectively to upstream mixer, downstream mixer; Said upstream mixer is connected to the 3rd fpga chip through the AD conversion chip; Said downstream mixer is connected to the 3rd fpga chip through the DA conversion chip; Said monitoring chip, upstream mixer, downstream mixer all are connected to the local oscillator chip, and said the 2nd RJ45 transmission mouth all is connected to the 3rd fpga chip.
Further; Said expanding element digiboard is provided with: a plurality of second optical modules, second fpga chip, a plurality of the 2nd RJ45 exchange mouth; A plurality of RJ45 transmission mouths; Said second optical module, the 2nd RJ45 exchange mouth, and RJ45 transmission mouth all is connected to second fpga chip.
Further, said master unit, expanding element, far-end unit can form star-like and hybrid combining mode chain, and networking mode reaches 1: 16: 128.
The utlity model has following advantage:
The utlity model has the signal covering function,, can support any one network formats such as GSM, DCS, TD-SCDMA, WCDMA, CDMA through changing the model of chip device;
The utlity model has 100M self adaptation Ethernet topological functions;
The utility model can be realized chain and star-like combination, finally realizes 1: 16: 128 (1 master unit, 16 expanding elements, 128 far-end units) networking mode;
About 100 meters of the gigabit transmission ranges between points (expanding element is to far-end unit) of the utility model;
The utility model signal covers miscellaneous function: noise is transplanted and the monitoring transmission channel, and for PD (receiving end equipment) equipment (like radio reception device) PSE is provided function.
[description of drawings]
Combine embodiment that the utility model is further described with reference to the accompanying drawings.
Fig. 1 is the construction module sketch map of the utility model system.
Fig. 2 is the module diagram of TD-SCDMA standard for the utility model master unit.
Fig. 3 is the module diagram of non-TD-SCDMA standard for the utility model master unit.
Fig. 4 is the module diagram of the utility model expanding element.
Fig. 5 is the module diagram of TD-SCDMA standard for the utility model far-end unit.
Fig. 6 is the module diagram of non-TD-SCDMA standard for the utility model far-end unit.
[embodiment]
See also Fig. 1 to shown in Figure 6, the embodiment of the utility model is carried out detailed explanation.
Like Fig. 1, a kind of multi-functional micropower indoor distributed system, it comprises master unit, expanding element, the far-end unit that connects successively, and wherein master unit links to each other with expanding element through optical fiber, and expanding element links to each other with far-end unit through category-5 cable.Native system is a kind of system of supporting signal covering function and network data transparent transmission function simultaneously.
Like Fig. 2, Fig. 3; Said master unit comprises: filter or duplexer, modulator-demodulator, first power supply unit, monitoring unit, first switch, master unit digiboard; Said filter or duplexer are connected respectively to modulator-demodulator, master unit digiboard; Said modulator-demodulator is connected respectively to first power supply unit and master unit digiboard, and said first power supply unit is connected respectively to monitoring unit, first switch, and said first switch is connected to the master unit digiboard; The master unit digiboard is connected to the expanding element digiboard through optical fiber, and said master unit digiboard is the circuit board that is used to carry out network data, radiofrequency signal data processing.
If said master unit digiboard TD-SCDMA standard; Be provided with: an AD conversion chip, a DA conversion chip, a relay, first fpga chip, four first optical modules, five RJ45 exchange mouths, a RJ45 external tapping, a monitoring chip, a downstream mixer, a upstream mixer, a local oscillator chip; Said downstream mixer, upstream mixer are connected to local oscillator chip and relay respectively; The local oscillator chip is connected to monitoring chip; Downstream mixer is connected to first fpga chip through the AD conversion chip; Upstream mixer is connected to first fpga chip through the DA conversion chip, and said RJ45 external tapping, first optical module and RJ45 exchange mouth all are connected to first fpga chip.
If not said master unit digiboard TD-SCDMA standard; Be provided with: an AD conversion chip, a DA conversion chip, first fpga chip, four first optical modules, five RJ45 exchange mouths, a RJ45 external tapping, a monitoring chip, a downstream mixer, a upstream mixer, a local oscillator chip; Said downstream mixer, upstream mixer all are connected to the local oscillator chip; The local oscillator chip is connected to monitoring chip; Downstream mixer is connected to first fpga chip through the AD conversion chip; Upstream mixer is connected to first fpga chip through the DA conversion chip, and said RJ45 external tapping, first optical module and RJ45 exchange mouth all are connected to first fpga chip.
System is the TD-SCDMA standard; The filter IN port of said master unit links to each other with the base station; Filter out port is connected to the rf inputs RF-IN of master unit digiboard; The coupling aperture of filter is connected to the rf inputs RF of modulator-demodulator, and the synchronous output end TRIG of modulator-demodulator is connected to the synchronous input end TRIG of master unit digiboard; Monitoring unit links to each other with modulator-demodulator, master unit digiboard respectively, and power supply unit is modulator-demodulator, monitoring unit, switch, the power supply of master unit digiboard.
System is other non-TD-SCDMA standards, and the duplexer IN port of said master unit links to each other with the base station, and the TX port is connected to the radio-frequency head TX of master unit digiboard, and the RX port of duplexer is connected to the radio-frequency head RX of master unit digiboard.Monitoring unit links to each other with modulator-demodulator, master unit digiboard respectively, and power supply unit is modulator-demodulator, monitoring unit, switch, the power supply of master unit digiboard.
Like Fig. 4; Said expanding element comprises: second power supply unit, second switch, expanding element digiboard; Said second power supply unit is connected respectively to expanding element digiboard, second switch; Said second switch is connected to the expanding element digiboard, and said expanding element digiboard also is connected to far-end unit through category-5 cable, and said expanding element digiboard is the circuit board that is used to carry out network data, radiofrequency signal data processing.Said expanding element digiboard is provided with: a plurality of second optical modules, second fpga chip, a plurality of the 2nd RJ45 exchange mouth; A plurality of RJ45 transmission mouths; Said second optical module, the 2nd RJ45 exchange mouth, and RJ45 transmission mouth all is connected to second fpga chip.
Like Fig. 5, said far-end unit is for being used to carry out network data, radiofrequency signal data processing, the circuit board of network interface and power supply function being provided for PD.Said far-end unit is provided with: one the 3rd fpga chip, at least two the 2nd RJ45 transmission mouthful, DA conversion chip, AD conversion chip, relay, dielectric filter or dielectric duplexer, a upstream mixer, a downstream mixer, a local oscillator chip, a monitoring chip.
System is the TD-SCDMA standard; Then the master unit digiboard is the TD-SCDMA standard; Far-end unit is the TD-SCDMA standard, and said dielectric filter is connected to relay, and said relay is connected respectively to upstream mixer, downstream mixer; Said upstream mixer is connected to the 3rd fpga chip through the AD conversion chip; Said downstream mixer is connected to the 3rd fpga chip through the DA conversion chip, and said monitoring chip, upstream mixer, downstream mixer all are connected to the local oscillator chip, and said the 2nd RJ45 transmission mouth all is connected to the 3rd fpga chip;
System is non-TD-SCDMA standard; Then the master unit digiboard is non-TD-SCDMA standard; Like Fig. 6, far-end unit is non-TD-SCDMA standard, and said dielectric duplexer is connected respectively to upstream mixer, downstream mixer; Said upstream mixer is connected to the 3rd fpga chip through the AD conversion chip; Said downstream mixer is connected to the 3rd fpga chip through the DA conversion chip, and said monitoring chip, upstream mixer, downstream mixer all are connected to the local oscillator chip, and said the 2nd RJ45 transmission mouth all is connected to the 3rd fpga chip.
The utility model system radio frequency operation principle:
Downlink working principle: the BS of master unit (donor antenna) end receives signal, through filter or duplexer trap signal as alms giver's end; Fade to low frequency through the downstream mixer mixing; Be input to first fpga chip through the AD converter digital quantization again and convert the DRSI protocol data into, data flow converts optical signal transmission into through first optical module, and second optical module of expanding element receives this light signal; Be reduced to the DRSI data flow; Unpack through the 2nd FPGA, the network data flow with the TCP/IP transparent transmission together is packaged as octuple DRSI data flow again, and 48V voltage is respectively from eight the one RJ45 transmission mouthful transmissions in the feedback; 48V voltage and DRSI data flow transfer to the 2nd RJ45 transmission mouth 1 of far-end unit on category-5 cable; Send into the 3rd FPGA and unpack, be reduced to analog if signal through the DA conversion chip again, intermediate-freuqncy signal emission covering again after mixing becomes the signal of working frequency range again.
Up operation principle: the MS termination of far-end unit is received client signal; Through dielectric filter (or duplexer) trap signal; After mixing is converted to the low frequency medium frequency signal; Convert the DRSI agreement into through AD conversion chip digital quantization to the three fpga chips; Upload through the 2nd RJ45 transmission mouth 1; The one RJ45 of expanding element transmission mouthful receives data, transfers optical signal transmission to master unit through second optical module again through the second fpga chip treatment conversion, and the first optical module receiving optical signals of master unit converts digital signal into after first fpga chip is reduced to the low frequency medium frequency signal through the simulation of DA conversion chip after handling again is reduced to working frequency range through mixing again and is uploaded to base station end through filter (or duplexer).
The grid operation principle:
User's receiving terminal:
The public network network inserts through the RJ45 of master unit digiboard external tapping, and through the effect of first switch, the data flow that inserts through the RJ45 external tapping is broadcast to each RJ45 exchange mouth respectively through switch.Each said first exchange mouth is handled through first fpga chip and is divided supplementary biography to first optical module data, transfers optical signal transmission to through first optical module.Second optical module of expanding element receives the corresponding data flow of master unit first optical module respectively; After the light number conversion; Under the effect of second switch; Each the 2nd RJ45 exchange mouth carries out data interchange, and the data that each the 2nd RJ45 exchange mouth receives are handled the rf digital signal, the 48V voltage that are coupled into through conversion through second fpga chip again and together are sent to far-end unit through category-5 cable.The 2nd RJ45 of far-end unit transmission mouthful 1 receives data, unpacks, and wherein network data flow is taken out unpack feedback again and go up 48V PSE voltage and send through the 2nd RJ45 transmission mouthfuls 2.The 2nd RJ45 transmission mouthfuls 2 carries the PSE function, can insert the equipment of band PD (receiving end equipment) function, like AP (radio reception device) etc.
The user uploads end:
The user is after inserting through the 2nd RJ45 transmission mouth 2 like receptions such as AP (radio reception device); Be sent to expanding element through the packing of the 3rd fpga chip through the 2nd RJ45 transmission mouth 1, expanding element unpacks the back and sends through corresponding the 2nd RJ45 exchange mouth, gathers through the second exchange data intercommunication again; And transfer optical signal transmission to master unit through second optical module; The first optical module receiving optical signals of master unit digiboard converts digital signal into, and the network data flow that takes out is wherein handled through first fpga chip; Through RJ45 exchange mouthful transmission, exchange after the RJ45 external tapping is uploaded through first exchange data more again.
The above; Be merely the utility model preferred embodiment; So can not limit the scope that the utility model is implemented according to this, the equivalence of promptly doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model contains.
Claims (5)
1. multi-functional micropower indoor distributed system, it is characterized in that: it comprises master unit, expanding element, far-end unit, and wherein said master unit is connected in expanding element, and said expanding element is connected in far-end unit;
Said master unit comprises: filter or duplexer, modulator-demodulator, first power supply unit, monitoring unit, first switch, master unit digiboard; Said filter or duplexer are connected respectively to modulator-demodulator, master unit digiboard; Said modulator-demodulator is connected respectively to first power supply unit and master unit digiboard; Said first power supply unit is connected respectively to monitoring unit, first switch; Said first switch is connected to the master unit digiboard, and the master unit digiboard is connected to the expanding element digiboard, and said master unit digiboard is the circuit board that is used to carry out network data, radiofrequency signal data processing;
Said expanding element comprises: second power supply unit, second switch, expanding element digiboard; Said second power supply unit is connected respectively to expanding element digiboard, second switch; Said second switch is connected to the expanding element digiboard; Said expanding element digiboard is also connected to far-end unit, and said expanding element digiboard is the circuit board that is used to carry out network data, radiofrequency signal data processing;
Said far-end unit is for being used to carry out network data, radiofrequency signal data processing, the circuit board of network interface and power supply function being provided for PD.
2. a kind of multi-functional micropower indoor distributed system according to claim 1; It is characterized in that: said master unit digiboard is the TD-SCDMA standard; Be provided with: a relay, an AD conversion chip, a DA conversion chip, first fpga chip, a plurality of first optical module, an a plurality of RJ45 exchange mouth, a RJ45 external tapping, a monitoring chip, a downstream mixer, a upstream mixer, a local oscillator chip; Said downstream mixer, upstream mixer are connected to local oscillator chip and relay respectively; The local oscillator chip is connected to monitoring chip; Downstream mixer is connected to first fpga chip through the AD conversion chip; Upstream mixer is connected to first fpga chip through the DA conversion chip, and said RJ45 external tapping, a plurality of first optical module and RJ45 exchange mouth all are connected to first fpga chip;
Said far-end unit is the TD-SCDMA standard accordingly; Said far-end unit is provided with: one the 3rd fpga chip, at least two the 2nd RJ45 transmission mouths, a DA conversion chip, an AD conversion chip, a dielectric filter, a upstream mixer, a downstream mixer, a local oscillator chip, a monitoring chip, a relay; Said dielectric filter is connected to a relay; Said relay is connected respectively to upstream mixer, downstream mixer; Said upstream mixer is connected to the 3rd fpga chip through the AD conversion chip; Said downstream mixer is connected to the 3rd fpga chip through the DA conversion chip, and said monitoring chip, upstream mixer, downstream mixer all are connected to the local oscillator chip, and said the 2nd RJ45 transmission mouth all is connected to the 3rd fpga chip.
3. a kind of multi-functional micropower indoor distributed system according to claim 1; It is characterized in that: said master unit digiboard is non-TD-SCDMA standard; Be provided with: an AD conversion chip, a DA conversion chip, first fpga chip, a plurality of first optical module, an a plurality of RJ45 exchange mouth, a RJ45 external tapping, a monitoring chip, a downstream mixer, a upstream mixer, a local oscillator chip; Said downstream mixer, upstream mixer all are connected to the local oscillator chip; The local oscillator chip is connected to monitoring chip; Downstream mixer is connected to first fpga chip through the AD conversion chip, and upstream mixer is connected to first fpga chip through the DA conversion chip, and said RJ45 external tapping, a plurality of first optical module and RJ45 exchange mouth all are connected to first fpga chip;
Said far-end unit is corresponding non-TD-SCDMA standard; Said far-end unit is provided with: one the 3rd fpga chip, at least two the 2nd RJ45 transmission mouths, a DA conversion chip, an AD conversion chip, a dielectric duplexer, a upstream mixer, a downstream mixer, a local oscillator chip, a monitoring chip; Said dielectric duplexer is connected respectively to upstream mixer, downstream mixer; Said upstream mixer is connected to the 3rd fpga chip through the AD conversion chip; Said downstream mixer is connected to the 3rd fpga chip through the DA conversion chip; Said monitoring chip, upstream mixer, downstream mixer all are connected to the local oscillator chip, and said the 2nd RJ45 transmission mouth all is connected to the 3rd fpga chip.
4. a kind of multi-functional micropower indoor distributed system according to claim 1; It is characterized in that: said expanding element digiboard is provided with: a plurality of second optical modules, second fpga chip, a plurality of the 2nd RJ45 exchange mouth; A plurality of RJ45 transmission mouths; Said second optical module, the 2nd RJ45 exchange mouth, and RJ45 transmission mouth all is connected to second fpga chip.
5. a kind of multi-functional micropower indoor distributed system according to claim 1 is characterized in that: said master unit, expanding element, far-end unit can form star-like and hybrid combining mode chain, and networking mode reaches 1: 16: 128.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201983308U CN202111862U (en) | 2011-06-13 | 2011-06-13 | Multifunctional micropower indoor distribution system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011201983308U CN202111862U (en) | 2011-06-13 | 2011-06-13 | Multifunctional micropower indoor distribution system |
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| CN202111862U true CN202111862U (en) | 2012-01-11 |
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| CN2011201983308U Expired - Fee Related CN202111862U (en) | 2011-06-13 | 2011-06-13 | Multifunctional micropower indoor distribution system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104602252A (en) * | 2013-11-01 | 2015-05-06 | 南京亚瑟电子科技有限公司 | Design of digital optical fiber indoor distribution system simultaneously supporting four systems |
-
2011
- 2011-06-13 CN CN2011201983308U patent/CN202111862U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104602252A (en) * | 2013-11-01 | 2015-05-06 | 南京亚瑟电子科技有限公司 | Design of digital optical fiber indoor distribution system simultaneously supporting four systems |
| CN104602252B (en) * | 2013-11-01 | 2018-09-28 | 南京典格通信科技有限公司 | A kind of design of digital fiber indoor distributed system that is while supporting four kinds of standards |
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| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20170605 Address after: No. 7 building two Wufeng Street software Avenue Gulou District of Fuzhou city in Fujian province 350000 No. 89 Fuzhou Software Industrial Park Building Patentee after: Fujian three Yuan Da Technology Co., Ltd. Address before: Wufeng Street software Avenue Gulou District of Fuzhou city in Fujian province 350000 No. 89 Fuzhou software industrial park two 7 floor Patentee before: Fujian Sunnada Communication Co., Ltd. |
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Granted publication date: 20120111 Termination date: 20190613 |