CN2643580Y - Optical fibre direct-broadcasting station for 3G mobile communication - Google Patents
Optical fibre direct-broadcasting station for 3G mobile communication Download PDFInfo
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- CN2643580Y CN2643580Y CNU032536372U CN03253637U CN2643580Y CN 2643580 Y CN2643580 Y CN 2643580Y CN U032536372 U CNU032536372 U CN U032536372U CN 03253637 U CN03253637 U CN 03253637U CN 2643580 Y CN2643580 Y CN 2643580Y
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Abstract
The utility model relates to a 3G mobile communication optical repeater station, which is characterized in that the Station comprises a base transceiver station (BTS) located inside an equipment room, a coupler connected with a radio-frequency output terminal of the BTS, an optical repeater station terminal set (A) having the function of electrical-optical/optical-electrical convention connected with a coupled terminal of the coupler, and a plurality of optical repeater station terminal sets (B) having the functions of electrical-optical/optical-electrical convention and radio-frequency power amplification connected with a remote exterior aerial, as well as an optical fiber for connecting the optical repeater station terminal set (A) and the terminal set (B). Wherein, an express terminal of the coupler connected with the radio-frequency output terminal of the BTS connects a local transmitting aerial. The utility model can help users achieve rapid network creation and reduce network investment cost, and gives full play to the capacity of each base station, and achieves broader coverage.
Description
Affiliated technical field
The utility model relates to a kind of 3G mobile communication optical fiber repeater.
Background technology
Main in the world public correspondence net such as GSM, CDMA etc. all adopt honeycomb, and all building cellular basestation in each department not only needs a large amount of funds, and the networking cycle is also very long.One cover base station equipment only is equipped with a cover transmitting antenna, and this obviously is unaccommodated for the less rural area of telephone traffic or the communications service construction of the main lines of communication such as railway, highway.
Summary of the invention
The purpose of this utility model is that a kind of 3G mobile communication optical fiber repeater will be provided, and it helps the user realizes quick networking and reduce the network investment cost, and each base station capacity is fully played, and obtains more wide covering.
The utility model is to constitute like this, it is characterized in that: it comprises the base station transceiver BTS that is placed in the machine room, the coupler that is connected with the BTS radio-frequency (RF) output end, the optical fiber repeater terminal (A) that is connected with the coupler coupled end with electric light/photoelectric converting function, be connected with the far-end exterior aerial and have some unjacketed optical fibers repeater terminal (B) and the optical fiber that is connected optical fiber repeater terminal (A) and terminal (B) of photoelectricity/electric light translation function and radio-frequency power enlarging function, the straight-through end of the described coupler that is connected with the BTS radio-frequency (RF) output end is connected local transmitting antenna.
During work, one side the utility model can be sent out by the master of base station transceiver, the main antenna of receiving carries out transmitting and receiving of mobile communication signal, simultaneously on the other hand, can carry out the reception of the emission of mobile communication again, thereby realize more wide covering by the exterior aerial of remote fiber repeater.
Than existing base station device, remarkable advantage of the present utility model is:
1, helps the covering of the signal of communication of giving full play to and realize the remote cell territory of each base station capacity, thereby reduce customer investment.2, the outdoor equipment investment is little, and instant effect is set up 3G network fast for new operator advantage is provided.
Below in conjunction with drawings and Examples the utility model is specifically described.
Description of drawings
Fig. 1 is a normal cellular networking network structure.
Fig. 2 is the networking network structure of the utility model embodiment one and embodiment two.
Fig. 3 is the theory diagram of embodiment one.
Fig. 4 is the theory diagram of embodiment two.
Fig. 5 is the networking network structure of embodiment three.
Fig. 6 is the theory diagram of embodiment three.
As shown in Figure 3, the structural feature of the utility model embodiment one is:
(1) described mobile communication base station is WCDMA or CDMA2000 base station, terminal (A) comprises wavelength division multiplexing optical transceiver module, monitor cartridge, duplexer, attenuator ATT0, ATT1, ATT2, the radio frequency signal frequency of base station output is 2110-2170MHz, be input to the duplexer of optical fiber repeater terminal (A) through main sending out/main receipts coupler, attenuator ATT0 by optical fiber repeater terminal (A) outputs to the wavelength division multiplexing optical transceiver module again, the signal of telecommunication is carried out the electric light conversion, be sent to another optical fiber repeater terminal (B) by optical fiber then; Optical fiber repeater terminal (A) receives the light signal of being passed back by another optical fiber repeater terminal (B) simultaneously, opto-electronic conversion through the wavelength division multiplexing optical transceiver module becomes the signal of telecommunication, sends out/main receiving end through duplexer input WCDMA or CDMA2000 BTS master by attenuator ATT1 output again; Terminal (A) receive simultaneously diversity reception signal that optical fiber passes back through the wavelength division multiplexing optical transceiver module with light signal be converted to the signal of telecommunication, again by attenuator ATT2, diversity reception coupler, the diversity reception end of input WCDMA or CDMA2000 BTS.
(2) described terminal (B) includes wavelength division multiplexing optical transceiver module, monitor cartridge, high-power linear amplifier (PA), low noise amplifier LNA (UP) 1 and LNA (UP) 2 and duplexer, terminal (B) becomes the signal of telecommunication with the light signal that the receives opto-electronic conversion by the wavelength division multiplexing optical transceiver module, amplify output by high-power linear amplifier PA then, launch by exterior aerial; The radio frequency signal frequency of mobile phone terminal emission simultaneously is 1920-1980MHz, terminal (B) antenna by the repeater receives, pass through duplexer, carry out opto-electronic conversion by the wavelength division multiplexing optical transceiver module again after amplifying by low noise amplifier LNA (UP) 1 again and become light signal, send back optical fiber repeater terminal (A) by optical fiber then, the mobile phone signal that the antenna of diversity reception simultaneously receives, become light signal by carrying out the electric light conversion by the wavelength division multiplexing optical transceiver module again after low noise amplifier LNA (UP) 2 amplifications, pass terminal (A) back by optical fiber.
(3) mode that the master with each base station sends out, the master receives, the diversity reception signal adopts wavelength division multiplexing, a shared Optical Fiber Transmission; Perhaps will lead send out, the main mode of collecting mail and number adopting wavelength division multiplexing, uses an Optical Fiber Transmission, the diversity reception signal is Optical Fiber Transmission of use in addition.
(4) transmitting power of described mobile communication optical fiber repeater terminal (B) is 0.1--20 watt, described Optical Fiber Transmission wavelength be 1310nm and (or) 1550nm.
As shown in Figure 3, the operation principle of the utility model embodiment one is:
Down link (base station is to mobile phone): the radiofrequency signal 2110-2170MHz of base station output, be input to the terminal (A) (the straight-through end signal of coupler connects antenna and carries out this locality covering) of RF direct amplifying station through coupler, terminal (A) carries out the electric light conversion with the signal of telecommunication, is sent to terminal (B) by optical fiber then; Terminal (B) becomes the light signal that receives again the signal of telecommunication by opto-electronic conversion, amplifies output by high-power linear amplifier then, realizes that by the antenna emission downstream signal covers.
Up link (mobile phone is to the base station): mobile phone terminal output radiofrequency signal 1920-1980MHz, by terminal (B) the antenna reception of repeater, become light signal by carrying out the electric light conversion after the low noise amplification again, send terminal (A) back to by optical fiber then; Terminal (A) carries out sending the base station back to after the opto-electronic conversion.
Uplink diversity receives: adopt special-purpose diversity reception antenna, and up amplification link of special-purpose diversity reception and transmission link, the stochastic independence when guaranteeing to arrive the base station reaches good space diversity effect.
Wavelength division multiplexing: it is 1310nm that downstream signal adopts optical wavelength, and it is 1550nm that upward signal adopts optical wavelength, and the diversity reception signal adopts optical wavelength 1310nm, and downstream signal share another root optical fiber with an optical fiber, upward signal and diversity reception signal.
As shown in Figure 4, the operation principle of the utility model embodiment two is:
Down link (base station is to mobile phone): the radiofrequency signal 2110-2170MHz of base station output, be input to the terminal (A) (the straight-through end signal of coupler connects antenna and carries out this locality covering) of RF direct amplifying station through coupler, terminal (A) carries out the electric light conversion with the signal of telecommunication, is sent to terminal (B) by optical fiber then; Terminal (B) becomes the light signal that receives again the signal of telecommunication by opto-electronic conversion, amplifies output by high-power linear amplifier then, realizes that by the antenna emission downstream signal covers.
Up link (mobile phone is to the base station): mobile phone terminal output radiofrequency signal 1920-1980MHz, by terminal (B) the antenna reception of repeater, become light signal by carrying out the electric light conversion after the low noise amplification again, send terminal (A) back to by optical fiber then; Terminal (A) carries out sending the base station back to after the opto-electronic conversion.
Uplink diversity receives: adopt special-purpose diversity reception antenna, and up amplification link of special-purpose diversity reception and transmission link, the stochastic independence when guaranteeing to arrive the base station reaches good space diversity effect.
Wavelength division multiplexing: it is 1530nm that downstream signal adopts optical wavelength, and it is 1550nm that upward signal adopts optical wavelength, and the diversity reception signal adopts optical wavelength 1570nm, by the shared Transmission Fibers of wavelength division multiplexer.
As Fig. 5, shown in Figure 6, networking network structure and the theory diagram of the utility model embodiment three.
Its characteristics are: terminal (A) can connect a plurality of terminals (B) by multifiber, and for example: terminal (A) can connect three terminals (B) by three optical fiber.
Main feature of the present utility model: support 3G (Third Generation) Moblie standard WCDMA and CDMA2000; Operating frequency: descending 2110-2170MHz, up 1920-1980MHz; Be applied to rural base station and enlarge coverage rate, cost is low, networking is quick.
The utility model is not only novel, and is reasonable in design, and equipment manufacturing cost is low, and effect is good, and its market prospects are considerable.
Claims (7)
1. 3G mobile communication optical fiber repeater, it is characterized in that: it comprises the base station transceiver BTS that is placed in the machine room, the coupler that is connected with the BTS radio-frequency (RF) output end, the optical fiber repeater terminal (A) that is connected with the coupler coupled end with electric light/photoelectric converting function, be connected with the far-end exterior aerial and have some unjacketed optical fibers repeater terminal (B) and the optical fiber that is connected optical fiber repeater terminal (A) and terminal (B) of photoelectricity/electric light translation function and radio-frequency power enlarging function, the straight-through end of the described coupler that is connected with the BTS radio-frequency (RF) output end is connected local transmitting antenna.
2. 3G mobile communication optical fiber repeater according to claim 1, it is characterized in that: described mobile communication base station is WCDMA or CDMA2000 base station, terminal (A) comprises the wavelength division multiplexing optical transceiver module, monitor cartridge, duplexer, attenuator ATT0, ATT1, ATT2, the radio frequency signal frequency of base station output is 2110-2170MHz, be input to the duplexer of optical fiber repeater terminal (A) through main sending out/main receipts coupler, attenuator ATT0 by optical fiber repeater terminal (A) outputs to the wavelength division multiplexing optical transceiver module again, the signal of telecommunication is carried out the electric light conversion, be sent to another optical fiber repeater terminal (B) by optical fiber then; Optical fiber repeater terminal (A) receives the light signal of being passed back by another optical fiber repeater terminal (B) simultaneously, opto-electronic conversion through the wavelength division multiplexing optical transceiver module becomes the signal of telecommunication, sends out/main receiving end through duplexer input WCDMA or CDMA2000 BTS master by attenuator ATT1 output again; Terminal (A) receive simultaneously diversity reception signal that optical fiber passes back through the wavelength division multiplexing optical transceiver module with light signal be converted to the signal of telecommunication, again by attenuator ATT2, diversity reception coupler, the diversity reception end of input WCDMA or CDMA2000 BTS.
3. 3G mobile communication optical fiber repeater according to claim 1 and 2, it is characterized in that: described terminal (B) includes wavelength division multiplexing optical transceiver module, monitor cartridge, high-power linear amplifier (PA), low noise amplifier LNA (UP) 1 and LNA (UP) 2 and duplexer, terminal (B) becomes the signal of telecommunication with the light signal that the receives opto-electronic conversion by the wavelength division multiplexing optical transceiver module, amplify output by high-power linear amplifier PA then, launch by exterior aerial; The radio frequency signal frequency of mobile phone terminal emission simultaneously is 1920-1980MHz, terminal (B) antenna by the repeater receives, pass through duplexer, carry out opto-electronic conversion by the wavelength division multiplexing optical transceiver module again after amplifying by low noise amplifier LNA (UP) 1 again and become light signal, send back optical fiber repeater terminal (A) by optical fiber then, the mobile phone signal that the antenna of diversity reception simultaneously receives, become light signal by carrying out the electric light conversion by the wavelength division multiplexing optical transceiver module again after low noise amplifier LNA (UP) 2 amplifications, pass terminal (A) back by optical fiber.
4. 3G mobile communication optical fiber repeater according to claim 1 and 2 is characterized in that: with the mode that the master of each base station sends out, the master receives, the diversity reception signal adopts wavelength division multiplexing, a shared Optical Fiber Transmission; Perhaps descending main the signalling with an optical fiber, up main the collection of letters number share another root optical fiber with the diversity reception signal.
5. 3G mobile communication optical fiber repeater according to claim 3 is characterized in that: with the mode that the master of each base station sends out, the master receives, the diversity reception signal adopts wavelength division multiplexing, a shared Optical Fiber Transmission; Perhaps descending main the signalling with an optical fiber, up main the collection of letters number share another root optical fiber with the diversity reception signal.
6. 3G mobile communication optical fiber repeater according to claim 4 is characterized in that: the transmitting power of described mobile communication optical fiber repeater terminal (B) is 0.1--20 watt, described Optical Fiber Transmission wavelength be 1310nm and (or) 1550nm.
7. 3G mobile communication optical fiber repeater according to claim 5 is characterized in that: the transmitting power of described mobile communication optical fiber repeater terminal (B) is 0.1--20 watt, described Optical Fiber Transmission wavelength be 1310nm and (or) 1550nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032536372U CN2643580Y (en) | 2003-09-19 | 2003-09-19 | Optical fibre direct-broadcasting station for 3G mobile communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032536372U CN2643580Y (en) | 2003-09-19 | 2003-09-19 | Optical fibre direct-broadcasting station for 3G mobile communication |
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| Publication Number | Publication Date |
|---|---|
| CN2643580Y true CN2643580Y (en) | 2004-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU032536372U Expired - Lifetime CN2643580Y (en) | 2003-09-19 | 2003-09-19 | Optical fibre direct-broadcasting station for 3G mobile communication |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100546228C (en) * | 2006-02-17 | 2009-09-30 | 南京泰通科技有限公司 | Common frequency optical fiber repeater for railway |
| CN1719756B (en) * | 2005-07-25 | 2010-04-07 | 京信通信技术(广州)有限公司 | Method for implementing mobile communication digital optical fibre repeater system |
| CN101667867B (en) * | 2009-08-17 | 2012-09-05 | 耿直 | High-stability common-frequency optical fiber amplifying work method and high-stability common-frequency optical fiber amplifying station |
| CN106357339A (en) * | 2016-09-06 | 2017-01-25 | 成都奥克特科技有限公司 | Working method of same-frequency fiber optic repeater and same-frequency fiber optic repeater |
| CN106411410A (en) * | 2016-09-05 | 2017-02-15 | 成都奥克特科技有限公司 | Determined access type optical fiber repeater working method and determined access type optical fiber repeater |
-
2003
- 2003-09-19 CN CNU032536372U patent/CN2643580Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1719756B (en) * | 2005-07-25 | 2010-04-07 | 京信通信技术(广州)有限公司 | Method for implementing mobile communication digital optical fibre repeater system |
| CN100546228C (en) * | 2006-02-17 | 2009-09-30 | 南京泰通科技有限公司 | Common frequency optical fiber repeater for railway |
| CN101667867B (en) * | 2009-08-17 | 2012-09-05 | 耿直 | High-stability common-frequency optical fiber amplifying work method and high-stability common-frequency optical fiber amplifying station |
| CN106411410A (en) * | 2016-09-05 | 2017-02-15 | 成都奥克特科技有限公司 | Determined access type optical fiber repeater working method and determined access type optical fiber repeater |
| CN106411410B (en) * | 2016-09-05 | 2018-10-30 | 施淑琴 | Judge the working method of access type optical fiber repeater |
| CN106357339A (en) * | 2016-09-06 | 2017-01-25 | 成都奥克特科技有限公司 | Working method of same-frequency fiber optic repeater and same-frequency fiber optic repeater |
| CN106357339B (en) * | 2016-09-06 | 2018-10-16 | 钱秀英 | The working method of common frequency optical fiber repeater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: FUJIAN YOUKE COMMUNICATION TECHNOLOGY CO., LTD. Free format text: FORMER NAME OR ADDRESS: FUJIAN TELECOM SCIENCE + TECHNOLOGY INSTITUTE CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: No. 6, zone 1, Cangshan science and Technology Park, Fuzhou, Fujian Patentee after: Fujian Youke Communication Technology Co., Ltd. Address before: Fuzhou City, Fujian Province, 51 Road No. 57 building 12 Fujian Patentee before: Fujian Telecom Science & Technology Institute Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130919 Granted publication date: 20040922 |