CN202085316U - Digital radio remote optimizer system - Google Patents
Digital radio remote optimizer system Download PDFInfo
- Publication number
- CN202085316U CN202085316U CN2011201400126U CN201120140012U CN202085316U CN 202085316 U CN202085316 U CN 202085316U CN 2011201400126 U CN2011201400126 U CN 2011201400126U CN 201120140012 U CN201120140012 U CN 201120140012U CN 202085316 U CN202085316 U CN 202085316U
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- end machine
- duplexer
- digital
- remote termination
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Abstract
The utility model discloses a digital radio remote optimizer system including a near end machine and a far end machine. The near end machine connects with the far end machine through optical cables. The near end machine connects with a base transceiver station. Covering antennas are arranged on the far end machine. A digital access control unit is connected to the near end machine. A digital radio frequency amplifying unit is connected to the far end machine. A monitoring unit used to monitor indexes of each unit is connected to the near end machine and the far end machine. The digital radio remote optimizer system has a low cost, a wide covering range and small difficulties in a later period.
Description
Technical field
The utility model relates to a kind of radio frequency stretch system, particularly a kind of digital radio frequency far-pulling optimization system.
Background technology
Utilize the on-air radio channel to come communication during more remote rural area radio mobile communication, because radio transmission is subjected to the influence of topography and geomorphology atural object bigger, and the quantity of base station and lay the place and be subjected to certain restriction, therefore in mobile communication network, have many wireless coverages blind area or wireless signal interference range, cause the mobile subscriber can not access, call drop or speech quality reduces.Digital RF far-drawing system is a kind of relaying product that can effectively solve this type of problem, digital RF far-drawing system is a kind of based on software and radio technique, it handles transmission at numeric field to signal with the radiofrequency signal digitlization, has star-like, chrysanthemum chain and mixed type networking characteristic.But its cost is higher, and coverage distance is near, and the later maintenance difficulty is bigger.
Summary of the invention
The purpose of this utility model just is to provide a kind of cost lower, and coverage distance is far away, and the little digital radio frequency far-pulling optimization system of later maintenance difficulty.
To achieve these goals, the technical solution adopted in the utility model is such: digital radio frequency far-pulling optimization system of the present utility model, comprise near-end machine and remote termination, the near-end machine connects by optical fiber with remote termination, the near-end machine connects with base transceiver station by antenna, remote termination is provided with cover antenna, connect a digital access control unit on the described near-end machine, connect a digital RF amplifying unit on the remote termination, connect a monitoring unit that is used to monitor each unit index on the described near-end machine and on the remote termination.
Further, described near-end machine comprises duplexer, digital processing and the transmission unit that connects successively, duplexer connects base transceiver station by antenna, between the down link of duplexer and digital processing, be connected a decay/up-conversion and A/D converter, be connected a decay/up-conversion and D/A converter between the up link of duplexer and digital processing, transmission unit connects with remote termination by optical fiber.
Further, described remote termination comprises transmission unit, digital processing and the duplexer that connects successively, transmission unit connects with the near-end machine by optical fiber, between the down link of digital processing and duplexer, be connected with D/A converter, up-conversion and power amplifier, between the up link of digital processing and duplexer, be connected with A/D converter, decay/up-conversion and low noise amplifier, cover antenna is set on the duplexer.
Further, be provided with the power supply of each module work of confession on described near-end machine and the remote termination.
Compared with prior art, advantage of the present utility model is: antijamming capability is strong, long-distance transmissions still can be ensured the quality of products, adopt advanced Digital Signal Processing and digital signal optical fiber transmission technique, realize that the long-distance transmissions of multi-carrier mobile communication signal and the signal of big capacity, great dynamic range cover; Simultaneously, the equipment manufacturing cost of whole system is saved investment well below the equipment manufacturing cost of base station system; System with electrical power consumed and later maintenance cost also well below base station system; The capacity allocation of transport solution main line and minimizing rationally switched, and improves the utilance of channel, can realize efficient carrier wave utilization.
Description of drawings
Fig. 1 is a functional block diagram of the present utility model;
Fig. 2 is the functional block diagram of near-end machine among Fig. 1;
Fig. 3 is the functional block diagram of remote termination among Fig. 1.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 1, Fig. 2 and Fig. 3, digital radio frequency far-pulling optimization system of the present utility model, comprise near-end machine and remote termination, the near-end machine connects by optical fiber with remote termination, the near-end machine connects with base transceiver station by antenna, remote termination is provided with cover antenna, connect a digital access control unit on the described near-end machine, connect a digital RF amplifying unit on the remote termination, connect a monitoring unit that is used to monitor each unit index on the described near-end machine and on the remote termination, described near-end machine comprises the duplexer that connects successively, digital processing and transmission unit, duplexer connects base transceiver station by antenna, between the down link of duplexer and digital processing, be connected a decay/up-conversion and A/D converter, between the up link of duplexer and digital processing, be connected a decay/up-conversion and D/A converter, transmission unit connects with remote termination by optical fiber, described remote termination comprises the transmission unit that connects successively, digital processing and duplexer, transmission unit connects with the near-end machine by optical fiber, between the down link of digital processing and duplexer, be connected with D/A converter, up-conversion and power amplifier, between the up link of digital processing and duplexer, be connected with A/D converter, decay/up-conversion and low noise amplifier, cover antenna is set on the duplexer, is provided with power supply on described near-end machine and the remote termination for each module work.
System's near-end machine far away (DAU) is stretched in the Um mouth radiofrequency signal access of base station BTS, handled being modulated into light signal through the numeral reduction, be sent to the regeneration of extension radio frequency unit, amplification, realize that base station signal extends covering by optical fiber.
Covering system is introduced GSM digital RF amplification system completely, when reducing the main equipment investment, main wireless working index according to wireless master and optic fibre extension system, rationally adjust the butt joint parameter between two systems, make the covering system global index consistent with peripheral public network and increase, guarantee the working stability of whole covering system, and form the complementation that covers and switch with peripheral public network.
Claims (4)
1. digital radio frequency far-pulling optimization system, comprise near-end machine and remote termination, the near-end machine connects by optical fiber with remote termination, the near-end machine connects with base transceiver station by antenna, remote termination is provided with cover antenna, it is characterized in that: connect a digital access control unit on the described near-end machine, connect a digital RF amplifying unit on the remote termination, connect a monitoring unit that is used to monitor each unit index on the described near-end machine and on the remote termination.
2. digital radio frequency far-pulling optimization system according to claim 1, it is characterized in that: described near-end machine comprises duplexer, digital processing and the transmission unit that connects successively, duplexer connects base transceiver station by antenna, between the down link of duplexer and digital processing, be connected a decay/up-conversion and A/D converter, be connected a decay/up-conversion and D/A converter between the up link of duplexer and digital processing, transmission unit connects with remote termination by optical fiber.
3. digital radio frequency far-pulling optimization system according to claim 1, it is characterized in that: described remote termination comprises transmission unit, digital processing and the duplexer that connects successively, transmission unit connects with the near-end machine by optical fiber, between the down link of digital processing and duplexer, be connected with D/A converter, up-conversion and power amplifier, between the up link of digital processing and duplexer, be connected with A/D converter, decay/up-conversion and low noise amplifier, cover antenna is set on the duplexer.
4. according to claim 2 or 3 described digital radio frequency far-pulling optimization system, it is characterized in that: be provided with power supply on described near-end machine and the remote termination for each module work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201400126U CN202085316U (en) | 2011-05-05 | 2011-05-05 | Digital radio remote optimizer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201400126U CN202085316U (en) | 2011-05-05 | 2011-05-05 | Digital radio remote optimizer system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202085316U true CN202085316U (en) | 2011-12-21 |
Family
ID=45345928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201400126U Expired - Fee Related CN202085316U (en) | 2011-05-05 | 2011-05-05 | Digital radio remote optimizer system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202085316U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107343290A (en) * | 2017-07-04 | 2017-11-10 | 中国联合网络通信集团有限公司 | RRU cascades the expansion method and device of cell |
| CN116032341A (en) * | 2023-03-09 | 2023-04-28 | 深圳国人无线通信有限公司 | Configuration method of base station parameters and base station |
-
2011
- 2011-05-05 CN CN2011201400126U patent/CN202085316U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107343290A (en) * | 2017-07-04 | 2017-11-10 | 中国联合网络通信集团有限公司 | RRU cascades the expansion method and device of cell |
| CN107343290B (en) * | 2017-07-04 | 2019-12-03 | 中国联合网络通信集团有限公司 | The expansion method and device of RRU cascade cell |
| CN116032341A (en) * | 2023-03-09 | 2023-04-28 | 深圳国人无线通信有限公司 | Configuration method of base station parameters and base station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20130505 |