CN201298921Y - Time service device, base station clock device and base station time service system - Google Patents
Time service device, base station clock device and base station time service system Download PDFInfo
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- CN201298921Y CN201298921Y CNU2008201242991U CN200820124299U CN201298921Y CN 201298921 Y CN201298921 Y CN 201298921Y CN U2008201242991 U CNU2008201242991 U CN U2008201242991U CN 200820124299 U CN200820124299 U CN 200820124299U CN 201298921 Y CN201298921 Y CN 201298921Y
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Abstract
The utility model discloses a time service device, a base station clock device and a base station time service system. The time service device is provided with a signal transmission interface which sends time synchronous signal to the base station clock device. The base station clock device is provided with a signal reception interface which receives the time synchronous signal sent by the time service device. The signal transmission interface and the signal reception interface are corresponding standardized interfaces and are connected by a standardized signal wire. The technical proposal solves the problem that the design of the time service device and the design of the base station clock device in the prior art are not independent.
Description
Technical field
The utility model relates to the mobile communication technology field, particularly a kind of time service device, base station clock device and base station time dissemination system.
Background technology
Mobile radio communication is at communications network charging, network management system, Signaling System Number 7 net, mobile network (MNET, Mobile Net) all requirement has been proposed time synchronized in the business such as voice transfer of safety certification, internet protocol-based (VOIP, Voice over InternetProtocol) and location positioning.Third generation partner program (3GPP, 3rd Generation Partnership Project) regulation in the standard 25.123, TD SDMA (TD-SCDMA, Time Division-Synchronous Code Division MultipleAccess) accuracy of each the minizone time synchronized in the system need be better than 3 μ s, regulation in the 3GPP standard 25.402, the work clock precision of base station (Node B) need be better than 0.05ppm, thereby the TD-SCDMA system should be better than 3 μ s to the required precision of time synchronized, if radio network controller (RNC, RadioNetwork Controller) and do not reach the requirement of time synchronized between the Node B, may cause the unmatched problem of E-mail instructions takes place in selector, can not successfully set up thereby make conversation connect.
The TD-SCDMA system adopts global positioning system (GPS at present, Global Positioning System) as synchronised clock, building up and coming into operation along with Beidou satellite navigation system, the time precision of dipper system can satisfy in the mobile radio communication requirement for time synchronized fully, thereby can adopt the time service of GPS single mode now, multiple modes such as time service of Big Dipper single mode or the time service of GPS/ Big Dipper bimodulus are the TD-SCDMA system, code division multiple access (CDMA, Code Division Multiple Access) system and time division duplex (TDD, Time Division Duplex) Long Term Evolution of pattern (LTE, Long Term Evolution) system etc. provides the correct time source.
The time service of existing GPS single mode, the time service of Big Dipper single mode and these three kinds of time dissemination systems of GPS/ Big Dipper bimodulus time service are formed by antenna equipment, time service device, three major parts of feeder line, GPS/ Big Dipper bimodulus time dissemination system also further comprises splitter, see figures.1.and.2, wherein Fig. 1 is the structural representation of existing single mode time dissemination system, Fig. 2 is the structural representation of existing bimodulus time dissemination system, and the difference according to mounting condition also needs slave parts such as lightning protection device, amplifier in addition.
Antenna equipment has two kinds of functions, promptly receive wireless signal and amplify the signal that receives, as shown in Figure 3, be antenna equipment operation principle schematic diagram, embedded ceramic medium antenna receives the L1 band signal of satellite transmission in the antenna equipment, behind a narrow band filter, by the low noise amplifier (LNA in the antenna equipment, Low Noise Amplifier) signal that receives is amplified, make signal after the amplification can adapt to the transmission of coaxial cable, the L1 band signal of amplifying through filtering is sent to radio frequency signal processing circuit by a coaxial cable, this coaxial cable transmit antenna equipment simultaneously carries out the required DC power supply of signal amplification, and the N type female seat of delivery outlet also is the input port of DC power supply simultaneously.
The selection of feeder line is adopted the engineering cable of ripple or spiral armouring usually generally according to power capacity and joint categories in the time dissemination system.
Time service device is generally original device manufacturing (OEM, Original Equipment Manufacturer) time service plate, the OEM plate generally adopts single plate structure, promptly all devices all are integrated in the high density printed board, and the OEM plate is installed among the main equipment of base station, and the row's of employing needle interface transmission signals between the base station clock device of base station main equipment.
The transformat of different base station clock devices when the row's of use needle interface transmission signals may be different, for example base station clock device 1 and base station clock device 2 all need pulse per second (PPS) (1PPS, 1 Plus Per Second) time signal of signal and TOD (Time Of Day) form, but base station clock device 1 requires to use 8 row's needle interfaces, and first pin transmission 1PPS signal wherein, the time signal of second pin transmission TOD form, and base station clock device 2 requires to use 10 row's needle interfaces, and the time signal of first pin transmission TOD form wherein, second pin transmission 1PPS signal, different manufacturers is different to the definition of row's needle interface in addition, therefore if the needle interface transmission signals is arranged in employing between OEM plate and the base station clock device, the manufacturer of OEM plate needs to design according to different base station clock devices respectively the OEM plate of different transpost formats so, and promptly OEM plate and base station clock Design of device can not be relatively independent.
The utility model content
The utility model provides a kind of time service device and base station clock device, in order to solve the problem that the time service device that exists in the prior art and base station clock Design of device can not be relatively independent.
Accordingly, the utility model also provides a kind of base station time dissemination system.
Technical solutions of the utility model are as follows:
A kind of time service device, described time service device carry the signal transmission interface to base station clock device transmitting time synchronizing signal, and described signal transmission interface is a standard interface.
A kind of base station clock device, described base station clock device carry the signal receiving interface that receives the time synchronizing signal that time service device sends, and described signal transmission interface is a standard interface.
A kind of base station time dissemination system, comprise antenna equipment, time service device and base station clock device, described time service device carries the signal transmission interface to base station clock device transmitting time synchronizing signal, described base station clock device carries the signal receiving interface that receives the time synchronizing signal that time service device sends, described signal receiving interface and signal transmission interface are corresponding standard interface, connect based on the standard signal line between described signal receiving interface and the signal transmission interface.
In the technical solutions of the utility model, time service device carries the signal transmission interface to base station clock device transmitting time synchronizing signal, the base station clock device carries the signal receiving interface that receives the time synchronizing signal that time service device sends, signal transmission interface and signal receiving interface are corresponding standard interface, connect based on the standard signal line between signal receiving interface and the signal transmission interface, because signal transmission interface in the technical solutions of the utility model and signal receiving interface are corresponding standard interface, promptly all there is unified Definition in all manufacturers to the transformat of signal transmission interface and signal receiving interface transmission signals, therefore the design of time service device is no longer dependent on the base station clock device, and this just makes that time service device and base station clock Design of device can be relatively independent.
Description of drawings
Fig. 1 is in the prior art, the structural representation of single mode time dissemination system;
Fig. 2 is in the prior art, the structural representation of bimodulus time dissemination system;
Fig. 3 is in the prior art, antenna equipment operation principle schematic diagram;
Fig. 4 is among the utility model embodiment, the structural representation of the base station time dissemination system of single mode time dissemination system correspondence;
Fig. 5 is among the utility model embodiment, the structural representation of the base station time dissemination system of bimodulus time dissemination system correspondence;
Fig. 6 is among the utility model embodiment one, the structural representation of the base station time dissemination system of single mode time dissemination system correspondence;
Fig. 7 is among the utility model embodiment one, the structural representation of the base station time dissemination system of bimodulus time dissemination system correspondence;
Fig. 8 is among the utility model embodiment two, the structural representation of the base station time dissemination system of single mode time dissemination system correspondence;
Fig. 9 is among the utility model embodiment two, the structural representation of the base station time dissemination system of bimodulus time dissemination system correspondence;
Figure 10 is among the utility model embodiment three, the structural representation of the base station time dissemination system of single mode time dissemination system correspondence;
Figure 11 is among the utility model embodiment three, the structural representation of the base station time dissemination system of bimodulus time dissemination system correspondence.
Embodiment
Below in conjunction with Figure of description the utility model embodiment is elaborated.
The base station time dissemination system comprises time dissemination system and base station clock device, wherein time dissemination system is divided into single mode time dissemination system and bimodulus time dissemination system again, as shown in Figure 4, in the utility model embodiment, the structural representation of the base station time dissemination system of single mode time dissemination system correspondence, comprise antenna equipment, time service device and base station clock device, time service device carries the signal transmission interface to base station clock device transmitting time synchronizing signal, the base station clock device carries the signal receiving interface that receives the time synchronizing signal that time service device sends, wherein signal receiving interface and signal transmission interface are corresponding standard interface, connect based on the standard signal line between signal receiving interface and the signal transmission interface.
Standard interface among the utility model embodiment is the interface of conformance with standard interface protocol, wherein can but be not limited to netting twine interface, optical fiber interface or USB interface, when signal transmission interface and signal receiving interface are the netting twine interface, connect based on netting twine between signal receiving interface and the signal transmission interface; When signal transmission interface and signal receiving interface are optical fiber interface, connect based on optical fiber cable between signal receiving interface and the signal transmission interface; When signal transmission interface and signal receiving interface are USB interface, connect based on the USB line between signal receiving interface and the signal transmission interface.
As shown in Figure 5, in the utility model embodiment, the structural representation of the base station time dissemination system of bimodulus time dissemination system correspondence, the base station time dissemination system of bimodulus time dissemination system correspondence also comprises splitter, splitter is used to make the common signal that receives an antenna equipment of a plurality of time service devices, mainly by band pass filter, public low noise amplifier and power divider are formed, in the utility model embodiment, antenna equipment in the bimodulus time dissemination system receives the signal of GPS and dipper system simultaneously, splitter carries out split pole with antenna equipment from the signal that GPS and dipper system receive, and is incorporated into GPS and dipper system more respectively respectively in the signal receiving interface of corresponding time service device.
As shown in Figure 6, in the utility model embodiment one, the structural representation of the base station time dissemination system of single mode time dissemination system correspondence, wherein time service device carries the signal transmission interface to base station clock device transmitting time synchronizing signal, this signal transmission interface is the netting twine interface, corresponding base station clock device carries the signal receiving interface that receives the time synchronizing signal that time service device sends, and this signal receiving interface is the netting twine interface.
With the time service device is the OEM plate, time synchronizing signal is that the time signal of 1PPS signal and TOD form is an example, gps antenna equipment or Big Dipper antenna equipment send the signal of telecommunication that receives to the OEM plate by feeder line, the OEM plate is the time signal of 1PPS signal and TOD form with the electrical signal conversion that receives, the netting twine interface that is used for the transmitting time synchronizing signal in the OEM plate sends to the netting twine interface that corresponding base station clock device is used for the time of reception synchronizing signal with the 1PPS signal that is converted to and the time signal of TOD form, and the base station clock device carries out subsequent treatment based on the time signal of 1PPS signal that receives and TOD form.
As shown in Figure 7, in the utility model embodiment one, the structural representation of the base station time dissemination system of bimodulus time dissemination system correspondence, time service device carries the signal transmission interface to base station clock device transmitting time synchronizing signal, this signal transmission interface is the netting twine interface, corresponding base station clock device carries the signal receiving interface that receives the time synchronizing signal that time service device sends, and this signal receiving interface is the netting twine interface.
Wherein, connect based on netting twine between signal receiving interface and the signal transmission interface among the utility model embodiment one, the netting twine interface can but be not limited to the RJ45 interface.
As shown in Figure 8, in the utility model embodiment two, the structural representation of the base station time dissemination system of single mode time dissemination system correspondence, wherein time service device carries the signal transmission interface to base station clock device transmitting time synchronizing signal, this signal transmission interface is an optical fiber interface, corresponding base station clock device carries the signal receiving interface that receives the time synchronizing signal that time service device sends, and this signal receiving interface is an optical fiber interface.
With the time service device is the OEM plate, time synchronizing signal is that the time signal of 1PPS signal and TOD form is an example, gps antenna equipment or Big Dipper antenna equipment send the signal of telecommunication that receives to the OEM plate by feeder line, the OEM plate is the time signal of 1PPS signal and TOD form with the electrical signal conversion that receives, the optical fiber interface that is used for the transmitting time synchronizing signal in the OEM plate sends to the optical fiber interface that corresponding base station clock device is used for the time of reception synchronizing signal with the 1PPS signal that is converted to and the time signal of TOD form, and the base station clock device carries out subsequent treatment based on the time signal of 1PPS signal that receives and TOD form.
As shown in Figure 9, in the utility model embodiment two, the structural representation of the base station time dissemination system of bimodulus time dissemination system correspondence, wherein time service device carries the signal transmission interface to base station clock device transmitting time synchronizing signal, this signal transmission interface is an optical fiber interface, corresponding base station clock device carries the signal receiving interface that receives the time synchronizing signal that time service device sends, and this signal receiving interface is an optical fiber interface.
Wherein, connect based on optical fiber cable between signal receiving interface and the signal transmission interface among the utility model embodiment two.
As shown in figure 10, in the utility model embodiment three, the structural representation of single mode time dissemination system, wherein time service device carries the signal transmission interface to base station clock device transmitting time synchronizing signal, this signal transmission interface is a USB interface, corresponding base station clock device carries the signal receiving interface that receives the time synchronizing signal that time service device sends, and this signal receiving interface is a USB interface.
With the time service device is the OEM plate, time synchronizing signal is that the time signal of 1PPS signal and TOD form is an example, gps antenna equipment or Big Dipper antenna equipment send the signal of telecommunication that receives to the OEM plate by feeder line, the OEM plate is the time signal of 1PPS signal and TOD form with the electrical signal conversion that receives, the USB interface that is used for the transmitting time synchronizing signal in the OEM plate sends to the USB interface that corresponding base station clock device is used for the time of reception synchronizing signal with the 1PPS signal that is converted to and the time signal of TOD form, and the base station clock device carries out subsequent treatment based on the time signal of 1PPS signal that receives and TOD form.
As shown in figure 11, in the utility model embodiment three, the structural representation of the base station time dissemination system of bimodulus time dissemination system correspondence, wherein time service device carries the signal transmission interface to base station clock device transmitting time synchronizing signal, this signal transmission interface is a USB interface, corresponding base station clock device carries the signal receiving interface that receives the time synchronizing signal that time service device sends, and this signal receiving interface is a USB interface.
Wherein, connect based on the USB line between signal transmission interface and the signal receiving interface among the utility model embodiment three.
Among the utility model embodiment, it is its power supply that the operate as normal of time service device need be used power supply, netting twine and USB line can the transmission level signals, and optical fiber cable can not the transmission level signal, therefore between time service device and the base station clock device if use optical fiber cable transmission signals, then also should be connected with power line, so that time service device can operate as normal.
In addition, the row's of use needle interface transmission signals between OEM plate and the base station clock device in the prior art, therefore the OEM plate must be fixed in the base station clock device, among the utility model embodiment owing to use standard interface to come transmission signals between OEM plate and the base station clock device, therefore the position of OEM plate no longer is confined among the base station clock device, and this just effectively raises the flexibility that is connected between OEM plate and the base station clock device.
In above-mentioned processing procedure, time service device carries the signal transmission interface to base station clock device transmitting time synchronizing signal, the base station clock device carries the signal receiving interface that receives the time synchronizing signal that time service device sends, signal transmission interface and signal receiving interface are corresponding standard interface, connect based on the standard signal line between signal receiving interface and the signal transmission interface, because signal transmission interface in the technical solutions of the utility model and signal receiving interface are corresponding standard interface, promptly all there is unified Definition in all manufacturers to the transformat of signal transmission interface and signal receiving interface transmission signals, therefore the design of time service device is no longer dependent on the base station clock device, and this just makes that time service device and base station clock Design of device can be relatively independent.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (8)
1, a kind of time service device, described time service device carry the signal transmission interface to base station clock device transmitting time synchronizing signal, it is characterized in that, described signal transmission interface is a standard interface.
2, time service device as claimed in claim 1 is characterized in that, described standard interface is netting twine interface, optical fiber interface or USB (universal serial bus).
3, time service device as claimed in claim 2 is characterized in that, described netting twine interface is the RJ45 interface.
4, a kind of base station clock device, described base station clock device carry the signal receiving interface that receives the time synchronizing signal that time service device sends, and it is characterized in that described signal transmission interface is a standard interface.
5, base station clock device as claimed in claim 4 is characterized in that, described standard interface is netting twine interface, optical fiber interface or USB (universal serial bus).
6, base station clock device as claimed in claim 5 is characterized in that, described netting twine interface is the RJ45 interface.
7, a kind of base station time dissemination system, comprise antenna equipment, time service device and base station clock device, described time service device carries the signal transmission interface to base station clock device transmitting time synchronizing signal, described base station clock device carries the signal receiving interface that receives the time synchronizing signal that time service device sends, it is characterized in that, described signal receiving interface and signal transmission interface are corresponding standard interface, connect based on the standard signal line between described signal receiving interface and the signal transmission interface.
8, base station as claimed in claim 7 time dissemination system is characterized in that described signal transmission interface and signal receiving interface are the netting twine interface, connects based on netting twine between described signal receiving interface and the signal transmission interface; Or
Described signal transmission interface and signal receiving interface are optical fiber interface, connect based on optical fiber cable between described signal receiving interface and the signal transmission interface; Or
Described signal transmission interface and signal receiving interface are USB (universal serial bus), connect based on USB between described signal receiving interface and the signal transmission interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201242991U CN201298921Y (en) | 2008-12-11 | 2008-12-11 | Time service device, base station clock device and base station time service system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201242991U CN201298921Y (en) | 2008-12-11 | 2008-12-11 | Time service device, base station clock device and base station time service system |
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| Publication Number | Publication Date |
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| CN201298921Y true CN201298921Y (en) | 2009-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008201242991U Expired - Lifetime CN201298921Y (en) | 2008-12-11 | 2008-12-11 | Time service device, base station clock device and base station time service system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011054287A1 (en) * | 2009-11-05 | 2011-05-12 | 电信科学技术研究院 | Method and system for remote point-to-point clock transmission |
| CN102299722A (en) * | 2010-06-24 | 2011-12-28 | 中兴通讯股份有限公司 | External receiver patching board |
| CN115309031A (en) * | 2022-07-22 | 2022-11-08 | 杭州亿邦博通科技股份有限公司 | Beidou/GPS dual-mode digital high-precision synchronous time service equipment and system |
-
2008
- 2008-12-11 CN CNU2008201242991U patent/CN201298921Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011054287A1 (en) * | 2009-11-05 | 2011-05-12 | 电信科学技术研究院 | Method and system for remote point-to-point clock transmission |
| CN102299722A (en) * | 2010-06-24 | 2011-12-28 | 中兴通讯股份有限公司 | External receiver patching board |
| CN102299722B (en) * | 2010-06-24 | 2014-12-10 | 中兴通讯股份有限公司 | External receiver patching board |
| CN115309031A (en) * | 2022-07-22 | 2022-11-08 | 杭州亿邦博通科技股份有限公司 | Beidou/GPS dual-mode digital high-precision synchronous time service equipment and system |
| CN115309031B (en) * | 2022-07-22 | 2023-12-29 | 杭州亿邦博通科技股份有限公司 | Beidou/GPS dual-mode digital high-precision synchronous time service equipment and system |
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| CX01 | Expiry of patent term | ||
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Granted publication date: 20090826 |