CN106452646A - System and method for enlarging number of reference or monitoring signals of time-frequency synchronization equipment - Google Patents
System and method for enlarging number of reference or monitoring signals of time-frequency synchronization equipment Download PDFInfo
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- CN106452646A CN106452646A CN201610953499.7A CN201610953499A CN106452646A CN 106452646 A CN106452646 A CN 106452646A CN 201610953499 A CN201610953499 A CN 201610953499A CN 106452646 A CN106452646 A CN 106452646A
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- China
- Prior art keywords
- monitoring signals
- time
- clock
- temporal frequency
- groove position
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0602—Systems characterised by the synchronising information used
- H04J3/0617—Systems characterised by the synchronising information used the synchronising signal being characterised by the frequency or phase
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
Abstract
The invention provides a system and a method for enlarging the number of reference or monitoring signals of time-frequency synchronization equipment. The system comprises more than two slot board cards and is characterized in that the slot board cards are communicated with time-frequency synchronization equipment corresponding to the slot board cards in a one-to-one manner and receive reference or monitoring signals of the time-frequency synchronization equipment; the more than two slot board cards are further communicated with a clock board card; the reference or monitoring signals of the time-frequency synchronization equipment are inputted into the one-to-one corresponding slot board cards, and then perform phase discrimination processing together with a local clock or time phase so as to realize enlargement for the number of the reference or monitoring signals of the time-frequency synchronization equipment; and the slot board cards receive a local clock or time signal of the clock board card and performs phase discrimination processing together with an extracted reference access clock or time phase signal, and reports a phase discrimination result to the clock board card. The system provided by the invention realizes enlargement for the number of the reference or monitoring signals of the time-frequency synchronization equipment in a mode of inputting the reference or monitoring signals of the time-frequency synchronization equipment through the slot boards cards; and the CPU load and the power consumption of the clock board card are reduced at the same time.
Description
Technical field
The present invention relates to a kind of expand with reference to or monitoring signals quantity system and method, more particularly to one kind is applied to
Expand reference or monitoring signals quantity system and the method for temporal frequency synchronizer.
Background technology
Numerical frequency the reference of time synchronized temporal frequency synchronization node equipment (hereinafter referred to as equipment) or monitoring signals one
As be directly accessed clock integrated circuit boards, extract with reference to incoming clock or after time phase by clock integrated circuit boards, with local clock or time phase
Position phase demodulation, by data sampling and processing and reporting, realizes reference source preferably and network management performance monitoring.Clock integrated circuit boards are equipment core
Heart veneer, limited amount, generally one to two.Using current technological means, there is equipment reference or monitoring signals quantity has
Limit, the problem of poor expandability.In addition, the process of all references or monitoring signals concentrates on clock integrated circuit boards, clock integrated circuit boards CPU bears
Lotus is excessive, and function is excessively concentrated, and power consumption is bigger than normal, and caloric value is big, affects equipment dependability.
Content of the invention
The technical problem to be solved in the present invention be provide one kind can extension facility with reference to or monitoring signals quantity, during reduction
Clock Computer card CPU load and power consumption, expand temporal frequency synchronizer with reference to or monitoring signals quantity system and method.
A kind of expand temporal frequency synchronizer with reference to or monitoring signals quantity system it is characterised in that：Including two
Above groove position board, and communicate with its one-to-one temporal frequency synchronizer, receive the reference of temporal frequency synchronizer
Or monitoring signals；Described two above groove positions board is communicated with clock integrated circuit boards again.
Due to local clock and phase BITBUS network can with cascaded-output mode access the 2nd temporal frequency synchronizer, the 3rd
Individual temporal frequency synchronizer ..., the X temporal frequency synchronizer, therefore, it is possible to by groove position board input time frequency
The reference of synchronizer or the mode of monitoring signals, each groove position board corresponds to a temporal frequency synchronizer, can expand
How many groove position boards, can be achieved with the expansion to how many temporal frequency synchronizers references or monitoring signals quantity.At this
It is allowed to the maximum quantity that reference or monitoring signals access depends on from bus type and corresponding driving energy in patent application
Power.
Preferably, described clock integrated circuit boards pass through the time, frequency reference bus is communicated with each groove position board.
Preferably, described clock integrated circuit boards are communicated with each groove position board further through serial communication bus.Groove position board is adopted
Being communicated with clock integrated circuit boards with the mode of serial communication, thus evading multichannel reference or monitoring signals multiplexer channel occupancy, saving logical
Road resource, evades the interference that signal excessively causes, and improves equipment dependability.
Preferably, each temporal frequency synchronizer is communicated with each groove position board by serial communication bus.
A kind of expand temporal frequency synchronizer with reference to or monitoring signals quantity method it is characterised in that：By each when
Between the reference of frequency synchronization apparatus or monitoring signals be input to its one-to-one groove position board after, then with local clock or when
Between phase place do phase demodulation process, realize temporal frequency synchronizer with reference to or monitoring signals quantity expansion.
Due to local clock and phase BITBUS network can with cascaded-output mode access the 2nd temporal frequency synchronizer, the 3rd
Individual temporal frequency synchronizer ..., the X temporal frequency synchronizer, therefore, it is possible to by groove position board input time frequency
The reference of synchronizer or the mode of monitoring signals, realize the expansion of the reference of temporal frequency synchronizer or monitoring signals quantity.
After the process of clock integrated circuit boards local data, webmaster report, realize multichannel reference source and preferably monitor with network management performance.Allow with reference to or supervise
The maximum quantity surveying signal access depends on from bus type and corresponding driving force.
Preferably, methods described also includes, groove position board realizes the reference in described reference or monitoring signals is accessed
Clock or the extraction of time phase signal.
Realize to temporal frequency synchronizer with reference to or monitoring signals quantity expansion after, can in the conventional mode by
Temporal frequency synchronizer after expansion with reference to or monitoring signals be sent to clock integrated circuit boards, and then extract with reference to incoming clock or when
Between phase signal it is also possible to by groove position board realize to the reference incoming clock in described reference or monitoring signals or time phase
The extraction of signal, in the present patent application, is realized to the reference incoming clock in described reference or monitoring signals by groove position board
Or the extraction of time phase signal, thus reduce clock integrated circuit boards cpu load and power consumption.
Preferably, methods described also includes, groove position board receives local clock or the time signal of clock integrated circuit boards, with it
The reference incoming clock extracting or time phase signal do phase demodulation and process, and the result that phase demodulation is processed reports clock integrated circuit boards.
Temporal frequency synchronizer reference after can expanding in the conventional mode or monitoring signals are sent to clock
Board, and then extract with reference to incoming clock or time phase signal, extracted with reference to incoming clock or time phase by clock integrated circuit boards
Position signal, is then done phase demodulation and processes with its local clock or time signal；Can also be realized to described reference by groove position board or
Reference incoming clock in monitoring signals or the extraction of time phase signal, by the reference incoming clock extracting or time phase letter
Number it is sent to clock integrated circuit boards, phase demodulation is done by clock integrated circuit boards and its local clock or time signal and processes；In the present patent application, by
Groove position board realizes the extraction to the reference incoming clock in described reference or monitoring signals or time phase signal, and will extract
Reference incoming clock or the local clock that sends in clock method of time phase signal or time signal do phase demodulation and process, thus
Reduce clock integrated circuit boards cpu load and power consumption.
Preferably, methods described also includes, each groove position board by its phase demodulation process after result, using serial communication
Mode timing report clock integrated circuit boards, thus evade multichannel with reference to or monitoring signals multiplexer channel take, save channel resource,
Evade the interference that signal excessively causes, improve equipment dependability.
Preferably, clock integrated circuit boards collect the phase demodulation value of each road signal or the time deviation of each groove position board, according to signal
Reference or monitoring attribute, clock-controlled timing, time service process or timing report webmaster monitoring display.
Wherein, if configured to reference, execution clock-controlled timing is processed frequency signal, if configured to monitored signal, mirror
Phase data reports webmaster monitoring display；If configured to reference, execution time service is processed time signal, if configured to monitored letter
Number, time difference data reports webmaster monitoring display.
Compared with prior art, the invention has the beneficial effects as follows：Conventional art means essence is kind of " concentration " pattern, and this
Patent application method for designing is " concentrate, be distributed, concentrate " pattern, concentrates and exports local clock or time signal with bus mode
Unified phase demodulation benchmark, distributed finger phase demodulation data is locally gathered, is regularly reported to clock integrated circuit boards, considerable task from each groove position board
Undertaken by each groove position board, mitigate clock integrated circuit boards CPU and process load, make the possibility that reference or monitoring signals " unlimited " access
Property；Concentrate again, refer to that timing reports to clock integrated circuit boards and adopt serial communication mode, evade multichannel reference or monitoring signals multichannel
Passage takies, and saves channel resource, evades the interference that signal excessively causes, and improves equipment dependability.
Brief description
Fig. 1 is the communication structure schematic diagram of a present invention wherein embodiment.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, not
For limiting the present invention.
Any feature disclosed in this specification (including summary and accompanying drawing), unless specifically stated otherwise, all can be equivalent by other
Or the alternative features with similar purpose are replaced.I.e., unless specifically stated otherwise, each feature is a series of equivalent or class
Like one of feature example.
Specific embodiment 1
A kind of system expanding the reference of temporal frequency synchronizer or monitoring signals quantity, including two or more groove position plate
Card, and communicate with its one-to-one temporal frequency synchronizer, receive reference or the monitoring signals of temporal frequency synchronizer；
Described two above groove positions board is communicated with clock integrated circuit boards again.
Due to local clock and phase BITBUS network can with cascaded-output mode access the 2nd temporal frequency synchronizer, the 3rd
Individual temporal frequency synchronizer ..., the X temporal frequency synchronizer, therefore, it is possible to by groove position board input time frequency
The reference of synchronizer or the mode of monitoring signals, each groove position board corresponds to a temporal frequency synchronizer, can expand
How many groove position boards, can be achieved with the expansion to how many temporal frequency synchronizers references or monitoring signals quantity.At this
It is allowed to the maximum quantity that reference or monitoring signals access depends on from bus type and corresponding driving energy in patent application
Power.
Specific embodiment 2
On the basis of specific embodiment 1, described clock integrated circuit boards pass through time, frequency reference bus and each groove position board
Communication.
Specific embodiment 3
On the basis of one of specific embodiment 1 to 2, described clock integrated circuit boards are further through serial communication bus and each groove position
Board communicates.Groove position board is communicated with clock integrated circuit boards by the way of serial communication, thus evading multichannel reference or monitoring signals
Multiplexer channel takies, and saves channel resource, evades the interference that signal excessively causes, and improves equipment dependability.
Specific embodiment 4
On the basis of one of specific embodiment 1 to 3, each temporal frequency synchronizer described passes through serial communication bus
Communicate with each groove position board.
Specific embodiment 5
On the basis of one of specific embodiment 1 to 4, one kind expands the reference of temporal frequency synchronizer or monitoring signals number
The method of amount, the reference of each temporal frequency synchronizer or monitoring signals are input to and its one-to-one groove position board
Afterwards, then do phase demodulation with local clock or time phase to process, realize temporal frequency synchronizer with reference to or monitoring signals quantity
Expand.
Specific embodiment 6
A kind of method expanding the reference of temporal frequency synchronizer or monitoring signals quantity, each temporal frequency is synchronously set
Standby reference or monitoring signals be input to its one-to-one groove position board after, then do phase demodulation with local clock or time phase
Process, realize the expansion of the reference of temporal frequency synchronizer or monitoring signals quantity.
Due to local clock and phase BITBUS network can with cascaded-output mode access the 2nd temporal frequency synchronizer, the 3rd
Individual temporal frequency synchronizer ..., the X temporal frequency synchronizer, therefore, it is possible to by groove position board input time frequency
The reference of synchronizer or the mode of monitoring signals, realize the expansion of the reference of temporal frequency synchronizer or monitoring signals quantity.
After the process of clock integrated circuit boards local data, webmaster report, realize multichannel reference source and preferably monitor with network management performance.Allow with reference to or supervise
The maximum quantity surveying signal access depends on from bus type and corresponding driving force.
Specific embodiment 7
On the basis of one of specific embodiment 1 to 6, methods described also includes, groove position board realize to described reference or
Reference incoming clock in monitoring signals or the extraction of time phase signal.
Realize to temporal frequency synchronizer with reference to or monitoring signals quantity expansion after, can in the conventional mode by
Temporal frequency synchronizer after expansion with reference to or monitoring signals be sent to clock integrated circuit boards, and then extract with reference to incoming clock or when
Between phase signal it is also possible to by groove position board realize to the reference incoming clock in described reference or monitoring signals or time phase
The extraction of signal, in this specific embodiment, when being realized the reference in described reference or monitoring signals is accessed by groove position board
Clock or the extraction of time phase signal, thus reduce clock integrated circuit boards cpu load and power consumption.
Specific embodiment 8
On the basis of one of specific embodiment 1 to 7, methods described also includes, and groove position board receives the basis of clock integrated circuit boards
Ground clock or time signal, the reference incoming clock being extracted with it or time phase signal are done phase demodulation and process, and phase demodulation is processed
Result report clock integrated circuit boards.
Temporal frequency synchronizer reference after can expanding in the conventional mode or monitoring signals are sent to clock
Board, and then extract with reference to incoming clock or time phase signal, extracted with reference to incoming clock or time phase by clock integrated circuit boards
Position signal, is then done phase demodulation and processes with its local clock or time signal；Can also be realized to described reference by groove position board or
Reference incoming clock in monitoring signals or the extraction of time phase signal, by the reference incoming clock extracting or time phase letter
Number it is sent to clock integrated circuit boards, phase demodulation is done by clock integrated circuit boards and its local clock or time signal and processes；In being originally embodied as, by
Groove position board realizes the extraction to the reference incoming clock in described reference or monitoring signals or time phase signal, and will extract
Reference incoming clock or the local clock that sends in clock method of time phase signal or time signal do phase demodulation and process, thus
Reduce clock integrated circuit boards cpu load and power consumption.
Specific embodiment 9
On the basis of one of specific embodiment 1 to 8, methods described also includes, and its phase demodulation is processed by each groove position board
Result afterwards, timing by the way of serial communication reports clock integrated circuit boards, thus evading multichannel reference or monitoring signals multichannel
Passage takies, and saves channel resource, evades the interference that signal excessively causes, and improves equipment dependability.
Specific embodiment 10
On the basis of one of specific embodiment 1 to 9, clock integrated circuit boards collect the phase demodulation value of each road signal of each groove position board
τ or time deviation δ, the attribute of the reference according to signal or monitoring, clock-controlled timing, time service are processed or timing reports webmaster monitoring aobvious
Show.
Specific embodiment 11
As shown in figure 1, each groove position board allow access with reference to or monitoring signals frequency type be 10MHz 5MHz
1MHz 2048kHz 2048kbit/s etc., time type be 1PPS 1PPS+ToD PTP NTP IRIG-B (AC) DCLS etc..
1st, clock integrated circuit boards are local to the output of equipment each groove position board by modes such as equipment public physical channel RS422 buses
Clock signal Loc_Clk, local time signal Loc_PTO (1PPS+ToD), provide unified phase demodulation for equipment each groove position board
Frequency reference, time reference.
2nd, each groove position board receives the reference of each road or monitoring signals, during the Ref_Clk1～Ref_Clkn of extraction frequency type
Clock, extract 1PPS 1PPS+ToD IRIG-B (AC) DCLS time type Ref_Pps1～Ref_Clkn time phase signal；
(n refers to the signal way allowing every board to access)
3rd, each groove position board divides Ref_Clk1～Ref_Clkn to public frequency signal, respectively with frequency reference Loc_
Clk phase demodulation；By Ref_Pps1～Ref_Clkn time phase signal respectively with time reference Loc_PTO phase demodulation.
For PTP NTP with reference to or monitoring signals, the rising edge event time of hardware trigger Loc_PTO pulse per second (PPS) 1PPS
Stamp, parses the Loc_PTO serial ports message ToD time, judges time continuity, uniformity, calibrates PTP Master or NTP
The core time of Server, go out to calculate reference or monitoring signals time deviation δ by PTP or Network Time Protocol algorithm.
4th, each groove position board is gathered phase demodulation value τ mn, the time deviation δ mn of the reference of this board or monitoring signals by the phase demodulation frequency
(m refers to the slot number of equipment plate card), serial communication mode timing reports clock integrated circuit boards.5th, clock integrated circuit boards collect each groove position board
Phase demodulation value τ of each road signal or time deviation δ, the reference according to signal or monitoring attribute, clock-controlled timing, time service process or
Timing reports webmaster monitoring display.
Claims (9)
1. a kind of expand temporal frequency synchronizer with reference to or monitoring signals quantity system it is characterised in that：Including two with
Upper groove position board, and communicating with its one-to-one temporal frequency synchronizer, receive temporal frequency synchronizer reference or
Monitoring signals；Described two above groove positions board is communicated with clock integrated circuit boards again.
2. the system expanding the reference of temporal frequency synchronizer or monitoring signals quantity according to claim 1, its feature
It is：Described clock integrated circuit boards pass through the time, frequency reference bus is communicated with each groove position board.
3. the system expanding the reference of temporal frequency synchronizer or monitoring signals quantity according to claim 2, its feature
It is：Described clock integrated circuit boards are communicated with each groove position board further through serial communication bus.
4. the system of the expansion temporal frequency synchronizer reference according to one of Claim 1-3 or monitoring signals quantity,
It is characterized in that：Each temporal frequency synchronizer is communicated with each groove position board by serial communication bus.
5. a kind of expand temporal frequency synchronizer with reference to or monitoring signals quantity method it is characterised in that：By each time
The reference of frequency synchronization apparatus or monitoring signals be input to its one-to-one groove position board after, then with local clock or time
Phase place is done phase demodulation and is processed, and realizes the expansion of the reference of temporal frequency synchronizer or monitoring signals quantity.
6. the method expanding the reference of temporal frequency synchronizer or monitoring signals quantity according to claim 5, its feature
It is：Methods described also includes, and groove position board is realized to the reference incoming clock in described reference or monitoring signals or time phase
The extraction of position signal.
7. the method expanding the reference of temporal frequency synchronizer or monitoring signals quantity according to claim 6, its feature
It is：Methods described also includes, and groove position board receives local clock or the time signal of clock integrated circuit boards, connects with the reference that it extracts
Enter clock or time phase signal does phase demodulation and processes, and the result that phase demodulation is processed reports clock integrated circuit boards.
8. the method expanding the reference of temporal frequency synchronizer or monitoring signals quantity according to claim 7, its feature
It is：Methods described also includes, each groove position board by the result after the process of its phase demodulation, in timing by the way of the serial communication
Offer clock integrated circuit boards.
9. the method for the expansion temporal frequency synchronizer reference according to one of claim 5 to 8 or monitoring signals quantity,
It is characterized in that：Clock integrated circuit boards collect the phase demodulation value of each road signal or the time deviation of each groove position board, according to the reference of signal
Or the attribute of monitoring, clock-controlled timing, time service are processed or timing reports webmaster monitoring display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610953499.7A CN106452646B (en) | 2016-11-03 | 2016-11-03 | A kind of system and method expanding the reference of temporal frequency synchronizer or monitoring signals quantity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610953499.7A CN106452646B (en) | 2016-11-03 | 2016-11-03 | A kind of system and method expanding the reference of temporal frequency synchronizer or monitoring signals quantity |
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| Publication Number | Publication Date |
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| CN106452646A true CN106452646A (en) | 2017-02-22 |
| CN106452646B CN106452646B (en) | 2019-04-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112202525A (en) * | 2020-10-29 | 2021-01-08 | 电信科学技术第五研究所有限公司 | PPS (pulse per second) delay automatic measurement and compensation method of multi-board card equipment |
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| CN102521182A (en) * | 2011-11-23 | 2012-06-27 | 华南师范大学 | Extensible multichannel parallel real-time data acquisition device and method |
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| CN101149721A (en) * | 2007-10-16 | 2008-03-26 | 中兴通讯股份有限公司 | Hardware integrated circuit board backboard interface |
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| CN102045124A (en) * | 2010-12-06 | 2011-05-04 | 神州数码网络(北京)有限公司 | Rack-mount synchronous Ethernet architecture and clock synchronization control method |
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| CN106452646B (en) | 2019-04-30 |
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