CN201682618U - Microwave integrated coverage equipment - Google Patents
Microwave integrated coverage equipment Download PDFInfo
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- CN201682618U CN201682618U CN2010201440256U CN201020144025U CN201682618U CN 201682618 U CN201682618 U CN 201682618U CN 2010201440256 U CN2010201440256 U CN 2010201440256U CN 201020144025 U CN201020144025 U CN 201020144025U CN 201682618 U CN201682618 U CN 201682618U
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Abstract
The utility model discloses microwave integrated coverage equipment, which comprises an indoor unit and an outdoor unit, wherein the indoor unit and the outdoor unit are mutually connected, the indoor unit is provided with a universal public radio frequency interface, an Ethernet interface and an E1 interface, the indoor unit is connected with an access control unit through the public radio frequency interface, the access control unit is connected with a base station sending and receiving station of a 2G network or a Node B of a 3G network, the indoor unit is connected with a wireless network controller through the Ethernet interface or the E1 interface, and the indoor unit is connected with a gathering exchanger through the Ethernet interface. The utility model solves the problem that the multi-network coverage can be realized only through a three-stage microwave system during the integrated coverage of 2G, 3G and WLAN.
Description
Technical field
The utility model relates to microwave radio and zooms out overlay device.
Background technology
2G and 3G build and all adopt distribution type fiber-optic or microwave radio remote technology framework to finish the Seamless Network covering now.WLAN (Wireless Local Area Network, WLAN (wireless local area network)) as a kind of WiMAX access technology of maturation, possesses higher access bandwidth with respect to 2G, 3G network, in this three big mainstream applications market of telecom operators, industry residence network and personal user, all present rapid growth situation at present.WLAN adopts is that the packetizing IP network transmits and finishes convergence-level and connect and put dress and cover.Need the zone that covers simultaneously at three nets, need transmission of three classes and distributed resource could satisfy and work as the demand that first three nets covering.
The system configuration that existing realization 2G digital microwave relaying zooms out as shown in Figure 1; The system configuration that existing realization 3G digital microwave relaying zooms out as shown in Figure 2; The system configuration that the AP (Access Point, access node) of existing employing Ethernet microwave transmission realization WLAN covers as shown in Figure 3; And the base station mutual connection IPization Ethernet system for transmitting structure of realization 3G and LTE as shown in Figure 4.Above traditional microwave transmission implementation makes when building, a building needs 2G, 3G and WLAN comprehensively to cover, and needs 3 to jump the covering that microwave system could realize many nets.
The utility model content
The purpose of this utility model is to overcome the shortcoming of prior art with not enough, provide a kind of radio frequency that utilizes a cover microwave series to finish 2G, 3G to zoom out the comprehensive overlay device of microwave with the WLAN transmission, need 3 to jump microwave systems and could realize the problems of netting covering more when having solved 2G, 3G and WLAN and comprehensively covering.
The purpose of this utility model is achieved through the following technical solutions: the comprehensive overlay device of microwave, comprise interconnective indoor unit and outdoor unit, and described indoor unit is provided with general common radio-frequency interface, Ethernet interface and E1 interface; Indoor unit is connected with the access control unit by general common radio-frequency interface, and the access control unit is connected with the base transceiver station of 2G network or the Node B of 3G network; Indoor unit is connected with radio network controller by Ethernet interface or E1 interface; Indoor unit is connected with convergence switch by Ethernet interface.
Described Ethernet interface is gigabit ethernet interface or 100 m ethernet interface.
Described access control unit comprises the first access control unit, the second access control unit, and the first access control unit is connected with the base transceiver station of 2G network, and the second access control unit is connected with the Node B of 3G network.
The utility model has following advantage and effect with respect to prior art:
1, the utility model is the solution of a unification of three nets, and the competitive strength of wireless optimization is greatly strengthened, and has reasonable market potential.
2, the utility model adopts a cover microwave transmission system to finish the transmission that 2G, 3G radio frequency zoom out, and finishes the Ethernet transmission that WLAN covers simultaneously, can also finish base-station connected Ethernet of 3G and LTE or E1 transmission.
3, the utility model one cover microwave transmission system is the simultaneously integrated CPRI of 3G (general common radio-frequency interface) distributed interface, and GE, FE and E1 interface; And the microwave transmission capacity that all kinds of coffrets take can exchange by the mode of software.
Description of drawings
Fig. 1 is the system construction drawing that existing realization 2G digital microwave relaying zooms out;
Fig. 2 is the system construction drawing that existing realization 3G digital microwave relaying zooms out;
Fig. 3 is that existing employing Ethernet microwave transmission realizes the system construction drawing that the AP of WLAN covers;
Fig. 4 is a base station mutual connection IPization Ethernet system for transmitting structure chart of realizing 3G and LTE;
Fig. 5 is a system construction drawing of the present utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
Embodiment
As shown in Figure 5, the utility model comprises interconnective indoor unit (IDU) and outdoor unit (ODU); Wherein indoor unit is provided with general common radio-frequency interface (CPRI interface), Ethernet interface and E1 interface.Indoor unit is connected with the first access control unit, the second access control unit respectively by general common radio-frequency interface, connect with the BTS (Base Transceiver Station, base transceiver station) of 2G network, the Node B of 3G network respectively by the first access control unit, the second access control unit again; Indoor unit is connected with radio network controller (RNC) by Ethernet interface or E1 interface, thereby realizes the base station mutual connection IPization Ethernet transmission of 3G and LTE; Indoor unit is connected with convergence switch by Ethernet interface, thereby the AP that realizes WLAN covers.Wherein Ethernet interface is GE (gigabit Ethernet) interface or FE (100 m ethernet) interface.In this scheme, IDU needs the data of CPRI interface are carried out data processing, advances in the microwave frame with encapsulation; IDU also needs synchronization process is carried out in multiple business, and the microwave frame organization definition is improved, with the data of encapsulation multiple business type; But ODU (outdoor unit) is a traditional structure, does not need change.
It is as follows that the utility model realizes that radio frequency in the 2G network zooms out the process and the principle of covering:
Down direction, after the radiofrequency signal of the BTS of 2G network encapsulates by DAU digitized sampling, digital processing and CPRI frame, IDU with comprehensive microwave covering system links to each other by the CPRI interface, IDU carries out data processing with the CPRI frame data, with all kinds of service signal synchronization process, after carrying out multiple connection, through ovennodulation be enlarged into intermediate-freuqncy signal; IDU links to each other with ODU by immediate frequency cable; ODU is a radiofrequency signal with the intermediate-freuqncy signal frequency conversion, amplifies the back and launches by microwave antenna.It is intermediate-freuqncy signal that the ODU of opposite end receives after the radiofrequency signal its frequency conversion, by immediate frequency cable this intermediate-freuqncy signal is transferred to the IDU of opposite end then; The IDU of opposite end divides the CPRI frame signal that picks out descending 2G with this intermediate-freuqncy signal demodulation, and the CPRI frame signal is transferred to the DRU (Remote Radio Unit) of far-end by the CPRI interface; The CPRI frame signal carries out becoming radiofrequency signal after CPRI frame tap, digital processing, the digital intermediate frequency conversion in the DRU of far-end, radiate by radio frequency unit again.
Up direction, after the radio frequency unit of the radiofrequency signal of 2G mobile phone by DRU, digital intermediate frequency unit sampling, digital processing, the CPRI multiple connection, IDU with comprehensive microwave covering system links to each other by optical fiber, IDU carries out data processing with the CPRI frame data, with all kinds of service signal synchronization process, after carrying out multiple connection, through ovennodulation be enlarged into intermediate-freuqncy signal; IDU links to each other with ODU by immediate frequency cable; ODU is a radiofrequency signal with the intermediate-freuqncy signal frequency conversion, amplifies the back and launches by microwave antenna.It is intermediate-freuqncy signal that the ODU of opposite end receives after the radiofrequency signal its frequency conversion, by immediate frequency cable this intermediate-freuqncy signal is transferred to the IDU of opposite end then; The IDU of opposite end divides the CPRI frame signal that picks out up 2G with this intermediate-freuqncy signal demodulation, and the CPRI frame signal is transferred to the DAU of near-end by the CPRI interface; The CPRI frame signal carries out becoming radiofrequency signal after CPRI frame tap, digital processing, the digital intermediate frequency conversion in the DAU of near-end, is coupled in the BTS antenna for base station again.
Process and principle that the utility model realization 3G radio frequency zooms out covering are as follows:
Down direction, after the radiofrequency signal of NodeB Node B encapsulates by DAU digitized sampling, digital processing and CPRI frame, IDU with comprehensive microwave covering system links to each other by the CPRI interface, IDU carries out data processing with the CPRI frame data, with all kinds of service signal synchronization process, after carrying out multiple connection, through ovennodulation be enlarged into intermediate-freuqncy signal; IDU links to each other with ODU by immediate frequency cable; ODU is a radiofrequency signal with the intermediate-freuqncy signal frequency conversion, amplifies the back and launches by microwave antenna.It is intermediate-freuqncy signal that the ODU of opposite end receives after the radiofrequency signal its frequency conversion, and this intermediate-freuqncy signal is transferred to the IDU of opposite end by immediate frequency cable; The IDU of opposite end divides the CPRI frame signal that picks out 3G with the intermediate-freuqncy signal demodulation, and the CPRI frame signal is transferred to the DRU of far-end by the CPRI interface; The CPRI frame signal carries out becoming radiofrequency signal after CPRI frame tap, digital processing, the digital intermediate frequency conversion in the DRU of far-end, radiate by radio frequency unit again.
Up direction, after the radio frequency unit of the radiofrequency signal of 3G mobile by DRU, digital intermediate frequency unit sampling, digital processing, the CPRI multiple connection, IDU with comprehensive microwave covering system links to each other by optical fiber, IDU carries out data processing with the CPRI frame data, with all kinds of service signal synchronization process, after carrying out multiple connection, through ovennodulation be enlarged into intermediate-freuqncy signal; IDU links to each other with ODU by immediate frequency cable; ODU is a radiofrequency signal with the intermediate-freuqncy signal frequency conversion, amplifies the back and launches by microwave antenna.It is intermediate-freuqncy signal that the ODU of opposite end receives after the radiofrequency signal its frequency conversion, and this intermediate-freuqncy signal is transferred to the IDU of opposite end by immediate frequency cable; The IDU of opposite end divides the CPRI frame signal that picks out up 3G with the intermediate-freuqncy signal demodulation, and the CPRI frame signal is transferred to the DAU of near-end by the CPRI interface; The CPRI frame signal carries out becoming radiofrequency signal after CPRI frame tap, digital processing, the digital intermediate frequency conversion in the DAU of near-end, is coupled in the Node B antenna for base station again.
The utility model realizes that the process and the principle of NodeB passback is as follows:
Down direction, the RNC of NodeB links to each other with the IDU of comprehensive microwave covering system by FE, GE or E1 interface, IDU is all kinds of service signal synchronization process, carry out multiple connection after, through ovennodulation be enlarged into intermediate-freuqncy signal; IDU links to each other with ODU by immediate frequency cable; ODU is a radiofrequency signal with the intermediate-freuqncy signal frequency conversion, amplifies the back and launches by microwave antenna.It is intermediate-freuqncy signal that the ODU of opposite end receives after the radiofrequency signal its frequency conversion, and this intermediate-freuqncy signal is transferred to the IDU of opposite end by immediate frequency cable; The IDU of opposite end divides FE, the GE or the E1 frame signal that pick out 3G with the intermediate-freuqncy signal demodulation, and FE, GE or E1 frame signal are transferred to the Node B of far-end by FE, GE or E1 interface.
Up direction, Node B links to each other with the IDU of comprehensive microwave covering system by FE, GE or E1 interface, IDU is all kinds of service signal synchronization process, carry out multiple connection after, through ovennodulation be enlarged into intermediate-freuqncy signal; IDU links to each other with ODU by immediate frequency cable; ODU is a radiofrequency signal with the intermediate-freuqncy signal frequency conversion, amplifies the back and launches by microwave antenna.It is intermediate-freuqncy signal that the ODU of opposite end receives after the radiofrequency signal its frequency conversion, is transferred to the IDU of opposite end again by immediate frequency cable; The IDU of opposite end divides the intermediate-freuqncy signal demodulation to pick out up FE, GE or E1 frame signal, and FE, GE or E1 frame signal are transferred to the RNC of NodeB by FE, GE or E1 interface.
The process and the principle of the AP passback of the utility model realization WLAN are as follows:
Down direction, the convergence switch of WLAN links to each other with the IDU of comprehensive microwave covering system by FE or GE interface, IDU is all kinds of service signal synchronization process, carry out multiple connection after, through ovennodulation be enlarged into intermediate-freuqncy signal; IDU links to each other with ODU by immediate frequency cable; ODU is a radiofrequency signal with the intermediate-freuqncy signal frequency conversion, amplifies the back and launches by microwave antenna.It is intermediate-freuqncy signal that the ODU of opposite end receives after the radiofrequency signal its frequency conversion, and this intermediate-freuqncy signal is transferred to the IDU of opposite end by immediate frequency cable; The IDU of opposite end divides the FE or the GE frame signal that pick out WLAN with the intermediate-freuqncy signal demodulation, and FE or GE frame signal are transferred to the covering POE switch of far-end by FE or GE interface; The POE switch links to each other with distribution AP by twisted-pair feeder again.
Up direction, the POE switch links to each other with the IDU of comprehensive microwave covering system by FE or GE interface, IDU is all kinds of service signal synchronization process, carry out multiple connection after, through ovennodulation be enlarged into intermediate-freuqncy signal; IDU links to each other with ODU by immediate frequency cable; ODU is a radiofrequency signal with the intermediate-freuqncy signal frequency conversion, amplifies the back and launches by microwave antenna.It is intermediate-freuqncy signal that the ODU of opposite end receives after the radiofrequency signal its frequency conversion, by immediate frequency cable this intermediate-freuqncy signal is transferred to the IDU of opposite end again; The IDU of opposite end divides the intermediate-freuqncy signal demodulation to pick out up FE or GE frame signal, and FE or GE frame signal are transferred to convergence switch by FE or GE interface.
Because the transmission capacity of microwave is limited, the microwave capacity that above interface takies can be exchanged by the method for software setting.
The foregoing description is the utility model preferred implementation; but execution mode of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection range of the present utility model.
Claims (3)
1. the comprehensive overlay device of microwave comprises interconnective indoor unit and outdoor unit, it is characterized in that: described indoor unit is provided with general common radio-frequency interface, Ethernet interface and E1 interface; Indoor unit is connected with the access control unit by general common radio-frequency interface, and the access control unit is connected with the base transceiver station of 2G network or the Node B of 3G network; Indoor unit is connected with radio network controller by Ethernet interface or E1 interface; Indoor unit is connected with convergence switch by Ethernet interface.
2. the comprehensive overlay device of microwave according to claim 1 is characterized in that: described Ethernet interface is gigabit ethernet interface or 100 m ethernet interface.
3. the comprehensive overlay device of microwave according to claim 1, it is characterized in that: described access control unit comprises the first access control unit, the second access control unit, the first access control unit is connected with the base transceiver station of 2G network, and the second access control unit is connected with the Node B of 3G network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201440256U CN201682618U (en) | 2010-03-25 | 2010-03-25 | Microwave integrated coverage equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201440256U CN201682618U (en) | 2010-03-25 | 2010-03-25 | Microwave integrated coverage equipment |
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| Publication Number | Publication Date |
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| CN201682618U true CN201682618U (en) | 2010-12-22 |
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| CN2010201440256U Expired - Fee Related CN201682618U (en) | 2010-03-25 | 2010-03-25 | Microwave integrated coverage equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103634808A (en) * | 2013-09-13 | 2014-03-12 | 京信通信***（中国）有限公司 | Wireless network system |
| CN105072001A (en) * | 2015-07-27 | 2015-11-18 | 武汉虹信通信技术有限责任公司 | Packet microwave based multi-point service distribution system |
| WO2018000198A1 (en) * | 2016-06-28 | 2018-01-04 | 华为技术有限公司 | Method and device for transmitting and receiving data |
-
2010
- 2010-03-25 CN CN2010201440256U patent/CN201682618U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103634808A (en) * | 2013-09-13 | 2014-03-12 | 京信通信***（中国）有限公司 | Wireless network system |
| CN103634808B (en) * | 2013-09-13 | 2016-08-17 | 京信通信***（中国）有限公司 | Radio Network System |
| CN105072001A (en) * | 2015-07-27 | 2015-11-18 | 武汉虹信通信技术有限责任公司 | Packet microwave based multi-point service distribution system |
| WO2018000198A1 (en) * | 2016-06-28 | 2018-01-04 | 华为技术有限公司 | Method and device for transmitting and receiving data |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20150325 |
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| EXPY | Termination of patent right or utility model |