CN202261291U - Double-frequency band digital wireless repeater and the system thereof - Google Patents
Double-frequency band digital wireless repeater and the system thereof Download PDFInfo
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- CN202261291U CN202261291U CN2011203057272U CN201120305727U CN202261291U CN 202261291 U CN202261291 U CN 202261291U CN 2011203057272 U CN2011203057272 U CN 2011203057272U CN 201120305727 U CN201120305727 U CN 201120305727U CN 202261291 U CN202261291 U CN 202261291U
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Abstract
The utility model discloses a double-frequency band digital wireless repeater and the system thereof. The double-frequency band digital wireless repeater includes a front end integral diplexer module, an integral digital module and a back end integral diplexer module. The integral digital module includes two down communication links, two up communication links and a monitor module, wherein the down communication links and the up communication links are all connected between the front end integral diplexer module and the back end integral diplexer module. The double-frequency band digital wireless repeater system includes a receiving antenna, a front end integrated diplexer module, an integral digital module, a back end integrated diplexer module and an emitting antenna which are connected in sequence. In the double-frequency band digital wireless repeater provided in the utility model, the technology problems are solved that the requirements of the installation place and construction cost are high caused by a traditional single-frequency band digital repeater, the double-frequency band cover is realized, and the network optimization purpose is achieved.
Description
Technical field
The utility model relates to the GSM field, is specifically related to a kind of digital radio repeater and system thereof that possesses two-band work.
Background technology
Along with the fast development of Communication in China cause, the radio network optimization and the network coverage have manifested its importance day by day, and wherein digital radio repeater has relied on its cost of investment that has characteristics low and increase coverage territory rapidly and has been widely used.But traditional digital radio repeater can only receive the signal of one-segment, amplify and send; To reach the purpose that network expansion covers; Cover down the multiband mobile network; The digital radio repeater that needs many different operating frequency ranges are installed just reaches the network expansion covering, is had relatively high expectations in fabricating yard and operating expenses.
The utility model content
The embodiment of the utility model provides a kind of digital radio repeater that possesses two-band work, the technical problem of being brought with the one-segment work that solves the conventional digital repeater that fabricating yard and operating expenses are had relatively high expectations.
The utility model is realized through following technical scheme: a kind of digital radio repeater that possesses two-band work comprises the integrated duplexer module of front end, the integrated duplexer module of integrated digital module and rear end that connect successively;
Said integrated digital module comprises 2 downlink communication links, 2 uplink communication links and monitoring module.Said downlink communication link and uplink communication link all are connected between the integrated duplexer module of integrated duplexer module of front end and rear end; Said monitoring module is connected with downlink communication link, uplink communication link respectively.
The integrated duplexer module of front end, the integrated duplexer module in rear end include duplexer, 2 low noise amplifiers and 2 power amplifiers, and 2 low noise amplifiers and 2 power amplifiers all are connected with said duplexer.
Every the downlink communication link includes low-converter, A/D converter, digital baseband processing unit (FPGA), D/A converter and the upconverter that is connected successively with the uplink communication link.
2 low noise amplifiers in the integrated duplexer module of front end connect the low-converter of a downlink communication link separately, and 2 power amplifiers connect the upconverter of a uplink communication link separately; 2 power amplifiers in the integrated duplexer module in rear end connect the upconverter of a downlink communication link separately, and 2 low noise amplifiers connect the low-converter of a uplink communication link separately.
The embodiment of the utility model also provides a kind of digital radio repeater system that possesses two-band work, comprises the reception antenna (DT), the integrated duplexer module of front end, integrated digital module, the integrated duplexer module in rear end and the transmitting antenna (MT) that connect successively;
Said integrated digital module comprises 2 downlink communication links, 2 uplink communication links and monitoring module.Said downlink communication link and uplink communication link all are connected between the integrated duplexer module of integrated duplexer module of front end and rear end; Said monitoring module is connected with downlink communication link, uplink communication link respectively.
The integrated duplexer module of front end, the integrated duplexer module in rear end include duplexer, 2 low noise amplifiers and 2 power amplifiers, and 2 low noise amplifiers and 2 power amplifiers all are connected with said duplexer.
Every the downlink communication link includes low-converter, A/D converter, digital baseband processing unit (FPGA), D/A converter and the upconverter that is connected successively with the uplink communication link.
Reception antenna (DT) is connected with duplexer in the integrated duplexer module of front end; 2 low noise amplifiers in the integrated duplexer module of front end connect the low-converter of a downlink communication link separately, and 2 power amplifiers connect the upconverter of a uplink communication link separately; 2 power amplifiers in the integrated duplexer module in rear end connect the upconverter of a downlink communication link separately; 2 low noise amplifiers connect the low-converter of a uplink communication link separately, and transmitting antenna (MT) is connected with duplexer in the integrated duplexer module in rear end.
The operation principle of the utility model comprises downstream signal Principle of Communication and upward signal Principle of Communication, wherein,
1, the downstream signal Principle of Communication is specific as follows:
The two-frequency signal that reception antenna (DT) receives from the space imports the integrated duplexer module of front end into; Duplexer in the integrated duplexer module of front end is isolated a, b two-way frequency band signals with two-frequency signal; A, b two-way frequency band signals get into a low noise amplifier separately to carry out after the processing and amplifying, gets into two downlink communication links of integrated digital module respectively.
1.1a road frequency band signals: the down-converted of the low-converter in the process integrated digital module converts low-frequency analog signal to and gets into A/D converter again; A/D converter becomes digital signal with this low-frequency analog signal conversion; Output to the digital baseband processing unit then; Get into D/A converter through the digital signal after the digital baseband transmission process and convert analog signal to; The upconversion process of analog signal process upconverter converts high-frequency analog signal to and imports the integrated duplexer module in rear end into, through the processing and amplifying of the power amplifier in the integrated duplexer module in rear end, gets into duplexer and carries out Filtering Processing; Close the road with b road frequency band signals then, the signal that closes behind the road is launched by transmitting antenna (MT) at last.
1.2b road frequency band signals: the down-converted of the low-converter in the process integrated digital module converts low-frequency analog signal to and gets into A/D converter again; A/D converter becomes digital signal with this low-frequency analog signal conversion; Output to the digital baseband processing unit then; Get into D/A converter through the digital signal after the digital baseband transmission process and convert analog signal to; The upconversion process of analog signal process upconverter converts high-frequency analog signal to and imports the integrated duplexer module in rear end into, through the processing and amplifying of the power amplifier in the integrated duplexer module in rear end, gets into duplexer and carries out Filtering Processing; Close the road with a road frequency band signals then, the signal that closes behind the road is launched by transmitting antenna (MT) at last.
2, the upward signal Principle of Communication is specific as follows:
The two-frequency signal that transmitting antenna (MT) receives from the space imports the integrated duplexer module in rear end into; Duplexer in the integrated duplexer module in rear end is isolated c, d two-way frequency band signals with two-frequency signal; C, d two-way frequency band signals get into a low noise amplifier separately to carry out after the processing and amplifying, gets into two uplink communication links of integrated digital module respectively.
2.1c road frequency band signals: the down-converted of the low-converter in the process integrated digital module converts low-frequency analog signal to and gets into A/D converter again; A/D converter becomes digital signal with this low-frequency analog signal conversion; Output to the digital baseband processing unit then; Get into D/A converter through the digital signal after the digital baseband transmission process and convert analog signal to; The upconversion process of analog signal process upconverter converts high-frequency analog signal to and imports the integrated duplexer module of front end into, through the processing and amplifying of the power amplifier in the integrated duplexer module of front end, gets into duplexer and carries out Filtering Processing; Close the road with d road frequency band signals then, the signal that closes behind the road is launched by reception antenna (DT) at last.
2.2d road frequency band signals: the down-converted of the low-converter in the process integrated digital module converts low-frequency analog signal to and gets into A/D converter again; A/D converter becomes digital signal with this low-frequency analog signal conversion; Output to the digital baseband processing unit then; Get into D/A converter through the digital signal after the digital baseband transmission process and convert analog signal to; The upconversion process of analog signal process upconverter converts high-frequency analog signal to and imports the integrated duplexer module of front end into, through the processing and amplifying of the power amplifier in the integrated duplexer module of front end, gets into duplexer and carries out Filtering Processing; Close the road with c road frequency band signals then, the signal that closes behind the road is launched by reception antenna (DT) at last.
Duplexer can also be realized with the mutual inhibition of the isolation between frequency range up link and the down link, two-band and to the inhibit feature of aerial unwanted signal.
Owing to adopt technique scheme; The two-band digital radio repeater that the utility model provides has such beneficial effect; Promptly can have both the function of two kinds of frequency range work simultaneously, compare two one-segment digital radio repeaters, in practical applications, can effectively solve a website addressing difficult problem; Shortening installation period time, equipment are transferred the survey time etc., thereby are increased work efficiency; Thereby can significantly reduce lease expenses and operating expenses that feeder line length reduces the place; Product has high sensitivity, high inhibition characteristics, and volume is little, and is low in energy consumption, effectively saves power cost, reaches environment protecting.
Description of drawings
Fig. 1 is the structural representation of the utility model two-band digital radio repeater;
Fig. 2 is the structural representation of the utility model two-band digital radio repeater system.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but the execution mode that the utility model is created is not limited thereto.
Embodiment
Shown in Figure 1 for a kind of digital radio repeater that possesses two-band work of the utility model, comprise the integrated duplexer module of front end 2, integrated digital module 3, the integrated duplexer module 4 in rear end.
Said integrated digital module 3 comprises downlink communication link 3.1, downlink communication link 3.2, uplink communication link 3.3, uplink communication link 3.4 and monitoring module 3.5; Downlink communication link 3.1, downlink communication link 3.2, uplink communication link 3.3, uplink communication link 3.4 all are connected between the integrated duplexer module 4 of integrated duplexer module 2 of front end and rear end; Said monitoring module 3.5 is connected with downlink communication link, uplink communication link respectively.
The integrated duplexer module 2 of said front end comprises duplexer 2.1, low noise amplifier 2.2, low noise amplifier 2.3, power amplifier 2.4 and power amplifier 2.5, and low noise amplifier 2.2, low noise amplifier 2.3, power amplifier 2.4 and power amplifier 2.5 all are connected with said duplexer 2.1.
The integrated duplexer module 4 in said rear end includes duplexer 4.1, power amplifier 4.2, power amplifier 4.3, low noise amplifier 4.4 and low noise amplifier 4.5, and power amplifier 4.2, power amplifier 4.3, low noise amplifier 4.4 and low noise amplifier 4.5 all are connected with said duplexer 4.1.
Every the downlink communication link includes the low-converter that is connected successively with the uplink communication link; A/D converter, digital baseband processing unit (FPGA), D/A converter and upconverter; The line link 3.2 that below works is example, and descending current link 3.2 comprises low-converter 3.2.1, A/D converter 3.2.2, digital baseband processing unit (FPGA) 3.2.3, D/A converter 3.2.4 and the upconverter 3.2.5 that connects successively.
The low noise amplifier 2.2 of the integrated duplexer module 2 of said front end connects the low-converter 3.1.1 of downlink communication link 3.1; Low noise amplifier 2.3 connects the low-converter 3.2.1 of downlink communication link 3.2; Power amplifier 2.4 connects the upconverter 3.3.1 of uplink communication link 3.3; Power amplifier 2.5 connects the upconverter 3.4.1 of uplink communication link 3.4; Power amplifier 4.2 in the integrated duplexer module 4 in rear end connects the upconverter 3.1.5 of downlink communication link 3.1; Power amplifier 4.3 connects the upconverter 3.2.5 of downlink communication link 3.2; Low noise amplifier 4.4 connects the low-converter 3.3.5 of uplink communication link 3.3, and low noise amplifier 4.5 connects the low-converter 3.4.5 of uplink communication link 3.4.
The said digital radio repeater that possesses two-band work also comprises cabinet, power module and power transfer module; The integrated duplexer module of said front end, the integrated duplexer module of integrated digital module and rear end are installed in the cabinet; Power module and power transfer module place cabinet inside; Power module converts the external communication electricity into direct current; Be used for to the power amplifier power supply, power transfer module converts the direct current of power module output into the supply power voltage of integrated digital module.
Fig. 2 is a kind of sketch map that possesses the digital radio repeater system of two-band work of the utility model.As shown in Figure 2, said direct discharging station comprises successively the integrated duplexer module of the reception antenna (DT) 1, the front end that connect 2, integrated digital module 3, the integrated duplexer module 4 in rear end and transmitting antenna (MT) 5.
Said integrated digital module 3 comprises downlink communication link 3.1, downlink communication link 3.2, uplink communication link 3.3, uplink communication link 3.4 and monitoring module 3.5; Downlink communication link 3.1, downlink communication link 3.2, uplink communication link 3.3, uplink communication link 3.4 all are connected between the integrated duplexer module 4 of integrated duplexer module 2 of front end and rear end; Said monitoring module is connected with downlink communication link, uplink communication link respectively.
The integrated duplexer module 2 of said front end comprises duplexer 2.1, low noise amplifier 2.2, low noise amplifier 2.3, power amplifier 2.4 and power amplifier 2.5, and low noise amplifier 2.2, low noise amplifier 2.3, power amplifier 2.4 and power amplifier 2.5 all are connected with said duplexer 2.1.
The integrated duplexer module 4 in said rear end includes duplexer 4.1, power amplifier 4.2, power amplifier 4.3, low noise amplifier 4.4 and low noise amplifier 4.5, and power amplifier 4.2, power amplifier 4.3, low noise amplifier 4.4 and low noise amplifier 4.5 all are connected with said duplexer 4.1.
Every the downlink communication link includes the low-converter that is connected successively with the uplink communication link; A/D converter, digital baseband processing unit (FPGA), D/A converter and upconverter; The line link 3.2 that below works is example, and descending current link 3.2 comprises low-converter 3.2.1, A/D converter 3.2.2, digital baseband processing unit (FPGA) 3.2.3, D/A converter 3.2.4 and the upconverter 3.2.5 that connects successively.
Said reception antenna (DT) 1 is connected with the duplexer 2.1 of the integrated duplexer module 2 of front end; The low noise amplifier 2.2 of the integrated duplexer module 2 of front end connects the low-converter 3.1.1 of downlink communication link 3.1; Low noise amplifier 2.3 connects the low-converter 3.2.1 of downlink communication link 3.2; Power amplifier 2.4 connects the upconverter 3.3.1 of uplink communication link 3.3, and power amplifier 2.5 connects the upconverter 3.4.1 of uplink communication link 3.4; Power amplifier 4.2 in the integrated duplexer module 4 in rear end connects the upconverter 3.1.5 of downlink communication link 3.1; Power amplifier 4.3 connects the upconverter 3.2.5 of downlink communication link 3.2; Low noise amplifier 4.4 connects the low-converter 3.3.5 of uplink communication link 3.3; Low noise amplifier 4.5 connects the low-converter 3.4.5 of uplink communication links 3.4, and transmitting antenna (MT) 5 is connected with duplexer 4.1 in the integrated duplexer module 4 in rear end.
The operation principle of the utility model comprises downstream signal Principle of Communication and upward signal Principle of Communication, wherein,
1, the downstream signal Principle of Communication is specific as follows:
The two-frequency signal that reception antenna (DT) 1 receives from the space imports the integrated duplexer module 2 of front end into; Duplexer 2.1 in the integrated duplexer module 2 of front end is isolated a, b two-way frequency band signals with two-frequency signal; A, b two-way frequency band signals get into low noise amplifier 2.3 separately and low noise amplifier 2.2 carries out after the processing and amplifying, gets into the downlink communication link 3.2 and downlink communication link 3.1 of integrated digital module 3 respectively.
1.1a road frequency band signals: the down-converted of the low-converter 3.2.1 in the process integrated digital module 3 converts low-frequency analog signal to and gets into A/D converter 3.2.2 again; A/D converter 3.2.2 becomes digital signal with this low-frequency analog signal conversion; Output to digital baseband processing unit 3.2.3 then; Get into D/A converter 3.2.4 through the digital signal after the digital baseband transmission process and convert analog signal to; Analog signal converts high-frequency analog signal to through the upconversion process of upconverter 3.2.5 and imports the integrated duplexer module 4 in rear end into, and the processing and amplifying through the power amplifier 4.3 of the integrated duplexer module 4 in rear end gets into duplexer 4.1 and carries out Filtering Processing; Close the road with b road frequency band signals then, the signal that closes behind the road is launched by transmitting antenna (MT) 5 at last.
1.2b road frequency band signals: the low-converter of this road frequency band signals is 3.1.1, and identical at the principle that gets into its downlink communication link 3.1 and a road frequency band signals do not given unnecessary details at this; After process analog-to-digital conversion, Digital Signal Processing, digital-to-analogue conversion become analog signal in its downlink communication link 3.1; The upconversion process of analog signal process upconverter 3.1.5 converts high-frequency analog signal to and imports the integrated duplexer module 4 in rear end into; Processing and amplifying through the power amplifier 4.2 of the integrated duplexer module 4 in rear end; Get into duplexer 4.1 and carry out Filtering Processing, close the road with a road frequency band signals then, the signal that closes behind the road is launched by transmitting antenna (MT) 5 at last.
2, the upward signal Principle of Communication is specific as follows:
The two-frequency signal that transmitting antenna (MT) 5 receives from the space imports the integrated duplexer module 4 in rear end into; Duplexer 4.1 in the integrated duplexer module 4 in rear end is isolated c, d two-way frequency band signals with two-frequency signal; C, d two-way frequency band signals get into low noise amplifier 4.4 separately and low noise amplifier 4.5 carries out after the processing and amplifying, gets into the uplink communication link 3.3 and uplink communication link 3.4 of integrated digital module 3 respectively.
2.1c road frequency band signals: the down-converted of the low-converter 3.3.5 in the process integrated digital module 3 converts low-frequency analog signal to and gets into A/D converter 3.3.4 again; A/D converter 3.3.4 becomes digital signal with this low-frequency analog signal conversion; Output to digital baseband processing unit 3.3.3 then; Get into D/A converter 3.3.2 through the digital signal after the digital baseband transmission process and convert analog signal to; The upconversion process of analog signal process upconverter 3.3.1 converts high-frequency analog signal to and imports the integrated duplexer module 2 of front end into, and the processing and amplifying of the power amplifier 2.4 of the integrated duplexer module 2 of process front end gets into duplexer 2.1 and carries out Filtering Processing; Close the road with d road frequency band signals then, the signal that closes behind the road is launched by reception antenna (DT) 1 at last.
2.2d road frequency band signals: the low-converter of this road frequency band signals is 3.4.5, and identical at the principle that gets into its uplink communication link 3.4 and c road frequency band signals do not given unnecessary details at this; After process analog-to-digital conversion, Digital Signal Processing, digital-to-analogue conversion become analog signal in the communication link 3.4 above that; The upconversion process of analog signal process upconverter 3.4.1 converts high-frequency analog signal to and imports the integrated duplexer module 2 of front end into; The processing and amplifying of the power amplifier 2.5 of the integrated duplexer module 2 of process front end; Get into duplexer 2.1 and carry out Filtering Processing, close the road with c road frequency band signals then, the signal that closes behind the road is launched by reception antenna (DT) 1 at last.
Duplexer can also be realized with the mutual inhibition of the isolation between frequency range up link and the down link, two-band and to the inhibit feature of aerial unwanted signal.
The foregoing description is that the utility model is created preferred implementation; But the execution mode that the utility model is created is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit that the utility model creates and the principle, substitutes, combination, simplification; All should be the substitute mode of equivalence, be included within the protection range of the utility model.
Claims (5)
1. a digital radio repeater that possesses two-band work is characterized in that: comprise the integrated duplexer module of front end, the integrated duplexer module of integrated digital module and rear end that connect successively;
Said integrated digital module comprises 2 downlink communication links, 2 uplink communication links and monitoring module, and said downlink communication link and uplink communication link all are connected between the integrated duplexer module of integrated duplexer module of front end and rear end; Said monitoring module is connected with downlink communication link, uplink communication link respectively.
2. the digital radio repeater that possesses two-band work according to claim 1; It is characterized in that: the integrated duplexer module of front end, the integrated duplexer module in rear end include duplexer, 2 low noise amplifiers and 2 power amplifiers, and 2 low noise amplifiers and 2 power amplifiers all are connected with said duplexer.
3. the digital radio repeater that possesses two-band work according to claim 2 is characterized in that: every downlink communication link includes low-converter, A/D converter, digital baseband processing unit, A/D converter and the upconverter that is connected successively with every uplink communication link;
2 low noise amplifiers in the integrated duplexer module of said front end connect the low-converter of a downlink communication link separately, and 2 power amplifiers connect the upconverter of a uplink communication link separately; 2 power amplifiers in the integrated duplexer module in rear end connect the upconverter of a downlink communication link separately, and 2 low noise amplifiers connect the low-converter of a uplink communication link separately.
4. the digital radio repeater that possesses two-band work according to claim 2; It is characterized in that: also comprise cabinet, power module and power transfer module; The integrated duplexer module of said front end, the integrated duplexer module of integrated digital module and rear end are installed in the cabinet; Power module and power transfer module place cabinet inside; Power module converts the external communication electricity into direct current, is used for to the power amplifier power supply, and power transfer module converts the direct current of power module output into the supply power voltage of integrated digital module.
5. digital radio repeater system that possesses two-band work is characterized in that: comprise each described digital radio repeater and transmitting antenna that possesses two-band work in the reception antenna that connects successively, the claim 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203057272U CN202261291U (en) | 2011-08-22 | 2011-08-22 | Double-frequency band digital wireless repeater and the system thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011203057272U CN202261291U (en) | 2011-08-22 | 2011-08-22 | Double-frequency band digital wireless repeater and the system thereof |
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| CN202261291U true CN202261291U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203057272U Expired - Lifetime CN202261291U (en) | 2011-08-22 | 2011-08-22 | Double-frequency band digital wireless repeater and the system thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411386A (en) * | 2016-10-20 | 2017-02-15 | 泉州泽仕通科技有限公司 | Full-band repeater |
| CN107872269A (en) * | 2016-09-27 | 2018-04-03 | 罗森伯格（上海）通信技术有限公司 | Multifrequency digital micro repeater |
| CN108736953A (en) * | 2018-04-10 | 2018-11-02 | 京信通信系统（中国）有限公司 | Wireless discharging-directly station sharing method, device, system and computer equipment |
-
2011
- 2011-08-22 CN CN2011203057272U patent/CN202261291U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107872269A (en) * | 2016-09-27 | 2018-04-03 | 罗森伯格（上海）通信技术有限公司 | Multifrequency digital micro repeater |
| CN106411386A (en) * | 2016-10-20 | 2017-02-15 | 泉州泽仕通科技有限公司 | Full-band repeater |
| CN106411386B (en) * | 2016-10-20 | 2023-04-14 | 泉州市凯润通信科技有限公司 | Full-band repeater |
| CN108736953A (en) * | 2018-04-10 | 2018-11-02 | 京信通信系统（中国）有限公司 | Wireless discharging-directly station sharing method, device, system and computer equipment |
| CN108736953B (en) * | 2018-04-10 | 2022-05-06 | 京信网络系统股份有限公司 | Wireless repeater sharing method, device, system and computer equipment |
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Granted publication date: 20120530 |