CN110493671A - The acquisition methods and device of time delay adjusted value - Google Patents

The acquisition methods and device of time delay adjusted value Download PDF

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Publication number
CN110493671A
CN110493671A CN201910725802.1A CN201910725802A CN110493671A CN 110493671 A CN110493671 A CN 110493671A CN 201910725802 A CN201910725802 A CN 201910725802A CN 110493671 A CN110493671 A CN 110493671A
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delay
optical
fiber
time
maximum
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CN110493671B (en
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李秉荣
方彬浩
陈炳锐
王柏渊
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Comba Network Systems Co Ltd
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Comba Telecom Technology Guangzhou Ltd
Comba Telecom Systems China Ltd
Comba Telecom Systems Guangzhou Co Ltd
Tianjin Comba Telecom Systems Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0086—Network resource allocation, dimensioning or optimisation

Abstract

This application discloses the acquisition methods and device of a kind of time delay adjusted value.Expanding element obtains the CA time delay of the optical-fiber time-delay and each data transmission channel in optical fiber distributed type system between each distal end and proximal end in this method；According to optical-fiber time-delay and CA time delay, the first maximum fiber time delay and the first maximum CA time delay are proximally sent；Receive the second maximum fiber time delay, the second maximum CA time delay and the default time delay configuration information of proximal end broadcast；According to default time delay configuration information, the second maximum fiber time delay is configured, obtains the target optical-fiber time-delay of system；According to the CA time delay of the second maximum CA time delay and each data transmission channel, the CA delay compensation value of each data transmission channel is obtained；The target optical-fiber time-delay of optical fiber distributed type system and the CA delay compensation value of each data transmission channel are sent to each distal end, so that each distal end obtains time delay adjusted value.The method increase the real-time of time-delay alignment and conveniences, and reduce costs.

Description

The acquisition methods and device of time delay adjusted value
Technical field
This application involves field of communication technology more particularly to a kind of acquisition methods and device of time delay adjusted value.
Background technique
Current optical fiber distributed type system (or " optical fiber distributed type network ") is by optical fiber that proximal end is (or " main Stand ") and at least one distal end (or " slave station ") directly or indirectly carry out data connection.Due to each in optical fiber distributed type system Distal end is different from the physical distance of proximal end, and the length of optical fiber is different, and there are different delays for the data for causing different distal ends to be transmitted, therefore In order to keep the data transmission delay in entire optical fiber distributed type system identical (or " time-delay alignment "), the especially same frequency range Time-delay alignment is realized when carrying out data cover by different data transmission channels, and generally there are two ways at present:
Mode one, makes time-delay alignment by way of physically increasing optical fiber.For example, two in optical fiber distributed type system It is long by increase proximal end and the optical fiber between the closer distal end in the proximal end when length difference of the optical fiber between a distal end and proximal end Degree, keeps the length of two optical fiber between distal end and proximal end identical, to realize time-delay alignment.
Mode two, by modification program code come so that time-delay alignment.For example, two distal ends in optical fiber distributed type system When data transmission delay difference between proximal end, the program code of the lesser distal end of data transmission delay is modified, keeps its delay pre- If the time sends data, to realize time-delay alignment.
However, it is found by the inventors that the time-delay alignment scheme of aforesaid way one not only increases system cost and cost of labor, And it is unable to real-time perfoming time-delay alignment；There is only the limits of professional knowledge to personnel are implemented for two time-delay alignment scheme of above scheme System increases cost of labor, and inconvenient benefit.
Summary of the invention
The embodiment of the present application provides the acquisition methods and device of a kind of time delay adjusted value, solves on of the existing technology Problem is stated, the real-time and convenience of time-delay alignment are improved, and is reduced costs.
In a first aspect, providing a kind of acquisition methods of time delay adjusted value, this method may include:
The FPGA of expanding element obtains the light at least one distal end of optical fiber distributed type system between each distal end and proximal end Fine time delay and each distal end polymerize CA time delay with the carrier wave of each data transmission channel between the proximal end, and described at least one A distal end is connected by the expanding element with the proximal end；
According to the optical-fiber time-delay of acquisition and the CA time delay, the proximal end Xiang Suoshu sends the first maximum fiber time delay and the One maximum CA time delay；Wherein, the first maximum fiber time delay is the maximum optical-fiber time-delay of time delay value in the optical-fiber time-delay, institute State time delay value maximum CA time delay in Yanzhong when the first maximum CA time delay is the CA；
The second maximum fiber time delay, the second maximum CA time delay and the default time delay configuration information of the proximal end broadcast are received, Wherein, the second maximum fiber time delay is the proximal end when receiving multiple first maximum fibers that multiple expanding elements are sent It delays, the maximum optical-fiber time-delay of the time delay value found, the second maximum CA time delay is that the proximal end is receiving multiple extensions It is delayed when multiple first maximum CA that unit is sent, the maximum CA time delay of the time delay value found；
According to the default time delay configuration information, the second maximum fiber time delay is configured, the system is obtained Target optical-fiber time-delay；
According to the CA time delay of second the maximum CA time delay and each data transmission channel, each data are obtained The CA delay compensation value of transmission channel；
The target optical-fiber time-delay of the optical fiber distributed type system is sent to each distal end and each data are transmitted The CA delay compensation value in channel, so that each distal end obtains time delay adjusted value.
In an optional realization, the second maximum fiber time delay includes the 2nd FDD maximum fiber time delay and second TDD maximum fiber time delay；
According to the default time delay configuration information, the second maximum fiber time delay is configured, the optical fiber is obtained The target optical-fiber time-delay of distributed system, comprising:
If the default time delay configuration information is system maximum fiber time delay configuration information, and the 2nd FDD is maximum The maximum value of Yanzhong is determined as the target optical fiber of the optical fiber distributed type system when optical-fiber time-delay and the 2nd TDD maximum fiber Time delay；
If the default time delay configuration information is to divide standard maximum fiber time delay configuration information, most by the 2nd FDD Big optical-fiber time-delay and the 2nd TDD maximum fiber time delay are identified as the FDD target optical fiber of the optical fiber distributed type system The TDD target optical-fiber time-delay of time delay and the optical fiber distributed type system.
In an optional realization, after the target optical-fiber time-delay for obtaining the optical fiber distributed type system, the method Further include:
Using preset backoff algorithm, target optical-fiber time-delay and the optical-fiber time-delay to the optical fiber distributed type system into Row operation obtains the optical-fiber time-delay offset of each distal end and the proximal end.
In an optional realization, the optical-fiber time-delay includes FDD optical-fiber time-delay and TDD optical-fiber time-delay；
Obtain the optical-fiber time-delay offset of each distal end with the proximal end, comprising:
If the target optical-fiber time-delay of the optical fiber distributed type system is according to the system maximum fiber time delay configuration information Configuration, then the difference of the target optical-fiber time-delay of the optical fiber distributed type system and the FDD optical-fiber time-delay is determined as the first light Fine delay compensation value, and the target optical-fiber time-delay of the optical fiber distributed type system and the difference of the TDD optical-fiber time-delay are determined as Second optical-fiber time-delay offset；
If the target optical-fiber time-delay of the optical fiber distributed type system is point standard maximum fiber time delay according to confidence Breath configuration, the target optical fiber delay packet of the optical fiber distributed type system includes the FDD target optical fiber of the optical fiber distributed type system The TDD target optical-fiber time-delay of time delay and the optical fiber distributed type system, then by the FDD target optical fiber of the optical fiber distributed type system The difference of time delay and the FDD optical-fiber time-delay is determined as third optical-fiber time-delay offset, and by the TDD of the optical fiber distributed type system The difference of target optical-fiber time-delay and the TDD optical-fiber time-delay, is determined as the 4th optical-fiber time-delay offset.
In an optional realization, when according to the CA of the second maximum CA time delay and each data transmission channel Prolong, obtain the CA delay compensation value of each data transmission channel, comprising:
The difference of the second maximum CA time delay and the CA time delay of each data transmission channel is determined as described each The CA delay compensation value of data transmission channel.
Second aspect, provides a kind of acquisition methods of time delay adjusted value, and this method may include:
Distal end obtains the optical-fiber time-delay between distal end and proximal end described in optical fiber distributed type system；
Between the target optical-fiber time-delay and the distal end and the proximal end that receive the optical fiber distributed type system that expanding element is sent Each data transmission channel CA delay compensation value；
Using preset backoff algorithm, target optical-fiber time-delay and the optical-fiber time-delay to the optical fiber distributed type system into Row operation obtains optical-fiber time-delay offset of the distal end with the proximal end；
CA delay compensation value and the optical-fiber time-delay offset to each data transmission channel, using default time delay Adjustment algorithm obtains the time delay adjusted value of the data transmission channel, to carry out time delay adjustment to the channel.
In an optional realization, the optical-fiber time-delay includes FDD optical-fiber time-delay and TDD optical-fiber time-delay；
Obtain optical-fiber time-delay offset of the distal end with the proximal end, comprising:
If the target optical-fiber time-delay of the optical fiber distributed type system is the expanding element according to system maximum fiber time delay Configuration information configuration, then the difference of the target optical-fiber time-delay of the optical fiber distributed type system and the FDD optical-fiber time-delay is determined For the first optical-fiber time-delay offset, and by the target optical-fiber time-delay of the optical fiber distributed type system and the TDD optical-fiber time-delay Difference is determined as the second optical-fiber time-delay offset；
If the target optical-fiber time-delay of the optical fiber distributed type system is the expanding element according to point standard maximum fiber Prolong configuration information configuration, the target optical fiber delay packet of the optical fiber distributed type system includes the FDD of the optical fiber distributed type system The TDD target optical-fiber time-delay of target optical-fiber time-delay and the optical fiber distributed type system, then by the FDD of the optical fiber distributed type system The difference of target optical-fiber time-delay and the FDD optical-fiber time-delay is determined as third optical-fiber time-delay offset, and by the optical fiber distributed type The difference of the TDD target optical-fiber time-delay of system and the TDD optical-fiber time-delay, is determined as the 4th optical-fiber time-delay offset.
The third aspect provides a kind of acquisition device of time delay adjusted value, the apparatus may include: acquiring unit, transmission Unit, receiving unit, configuration unit；
The acquiring unit, for obtaining in optical fiber distributed type system at least one distal end between each distal end and proximal end Optical-fiber time-delay and each distal end polymerize CA time delay with the carrier wave of each data transmission channel between the proximal end, it is described at least One distal end is connected by described device with the proximal end；
The transmission unit, for according to acquisition the optical-fiber time-delay and the CA time delay, the proximal end Xiang Suoshu send the One maximum fiber time delay and the first maximum CA time delay；Wherein, the first maximum fiber time delay is time delay in the optical-fiber time-delay It is worth maximum optical-fiber time-delay, time delay value maximum CA time delay in Yanzhong when the first maximum CA time delay is the CA；
The receiving unit, for receive the second maximum fiber time delay of proximal end broadcast, the second maximum CA time delay and Default time delay configuration information, wherein the second maximum fiber time delay is that the proximal end is receiving the multiple of multiple devices transmissions It is delayed when the first maximum fiber, the maximum optical-fiber time-delay of the time delay value found, the second maximum CA time delay is the proximal end It is delayed when receiving multiple first maximum CA that multiple devices are sent, the maximum CA time delay of the time delay value found；
The configuration unit, for being carried out to the second maximum fiber time delay according to the default time delay configuration information Configuration, obtains the target optical-fiber time-delay of the system；
The acquiring unit, when being also used to the CA according to the second maximum CA time delay and each data transmission channel Prolong, obtains the CA delay compensation value of each data transmission channel；
The transmission unit, for sent to each distal end the optical fiber distributed type system target optical-fiber time-delay and The CA delay compensation value of each data transmission channel, so that each distal end obtains time delay adjusted value.
In an optional realization, the second maximum fiber time delay includes the 2nd FDD maximum fiber time delay and second TDD maximum fiber time delay；
The configuration unit, if being specifically used for the default time delay configuration information is that system maximum fiber time delay matches confidence Breath, then be determined as the light for the maximum value of Yanzhong when the 2nd FDD maximum fiber time delay and the 2nd TDD maximum fiber The target optical-fiber time-delay of fine distributed system；
If the default time delay configuration information is to divide standard maximum fiber time delay configuration information, most by the 2nd FDD Big optical-fiber time-delay and the 2nd TDD maximum fiber time delay are identified as the FDD target optical fiber of the optical fiber distributed type system The TDD target optical-fiber time-delay of time delay and the optical fiber distributed type system.
In an optional realization, the acquiring unit is also used to using preset backoff algorithm, to the optical fiber point The target optical-fiber time-delay of cloth system and the optical-fiber time-delay carry out operation, obtain the optical fiber of each distal end and the proximal end Delay compensation value.
In an optional realization, the optical-fiber time-delay includes FDD optical-fiber time-delay and TDD optical-fiber time-delay；
The acquiring unit, if the target optical-fiber time-delay specifically for the optical fiber distributed type system is according to the system The configuration of maximum fiber time delay configuration information, then by the target optical-fiber time-delay of the optical fiber distributed type system and the FDD optical fiber The difference of time delay is determined as the first optical-fiber time-delay offset, and by the target optical-fiber time-delay of the optical fiber distributed type system with it is described The difference of TDD optical-fiber time-delay is determined as the second optical-fiber time-delay offset；
If the target optical-fiber time-delay of the optical fiber distributed type system is point standard maximum fiber time delay according to confidence Breath configuration, the target optical fiber delay packet of the optical fiber distributed type system includes the FDD target optical fiber of the optical fiber distributed type system The TDD target optical-fiber time-delay of time delay and the optical fiber distributed type system, then by the FDD target optical fiber of the optical fiber distributed type system The difference of time delay and the FDD optical-fiber time-delay is determined as third optical-fiber time-delay offset, and by the TDD of the optical fiber distributed type system The difference of target optical-fiber time-delay and the TDD optical-fiber time-delay, is determined as the 4th optical-fiber time-delay offset.
One it is optional realize, the acquiring unit, also particularly useful for by the second maximum CA time delay with it is described The difference of the CA time delay of each data transmission channel is determined as the CA delay compensation value of each data transmission channel.
Fourth aspect provides a kind of acquisition device of time delay adjusted value, the apparatus may include: acquiring unit and reception Unit；
The acquiring unit, for obtaining the optical-fiber time-delay between distal end and proximal end described in optical fiber distributed type system；
The receiving unit, for receiving the target optical-fiber time-delay of optical fiber distributed type system of expanding element transmission and described The CA delay compensation value of each data transmission channel between distal end and the proximal end；
The acquiring unit is also used to using preset backoff algorithm, to the target optical fiber of the optical fiber distributed type system Time delay and the optical-fiber time-delay carry out operation, obtain optical-fiber time-delay offset of the distal end with the proximal end；
CA delay compensation value and the optical-fiber time-delay offset to each data transmission channel, using default time delay Adjustment algorithm obtains the time delay adjusted value of the data transmission channel, to carry out time delay adjustment to the channel.
In an optional realization, the optical-fiber time-delay includes FDD optical-fiber time-delay and TDD optical-fiber time-delay；
The acquiring unit, if the target optical-fiber time-delay specifically for the optical fiber distributed type system is the expanding element According to system maximum fiber time delay configuration information configuration, then by the target optical-fiber time-delay of the optical fiber distributed type system with it is described The difference of FDD optical-fiber time-delay is determined as the first optical-fiber time-delay offset, and by the target optical-fiber time-delay of the optical fiber distributed type system It is determined as the second optical-fiber time-delay offset with the difference of the TDD optical-fiber time-delay；
If the target optical-fiber time-delay of the optical fiber distributed type system is the expanding element according to point standard maximum fiber Prolong configuration information configuration, the target optical fiber delay packet of the optical fiber distributed type system includes the FDD of the optical fiber distributed type system The TDD target optical-fiber time-delay of target optical-fiber time-delay and the optical fiber distributed type system, then by the FDD of the optical fiber distributed type system The difference of target optical-fiber time-delay and the FDD optical-fiber time-delay is determined as third optical-fiber time-delay offset, and by the optical fiber distributed type The difference of the TDD target optical-fiber time-delay of system and the TDD optical-fiber time-delay, is determined as the 4th optical-fiber time-delay offset.
5th aspect, provides a kind of electronic equipment, which includes processor, communication interface, memory and lead to Believe bus, wherein processor, communication interface, memory complete mutual communication by communication bus；
Memory, for storing computer program；
Processor when for executing the program stored on memory, realizes any side in above-mentioned first aspect The upper method and step of any one of method step or above-mentioned second aspect.
6th aspect, provides a kind of computer readable storage medium, meter is stored in the computer readable storage medium Calculation machine program, the computer program realized when being executed by processor in above-mentioned first aspect any method and step or on State any method and step in second aspect.
Expanding element first obtains optical fiber distributed type in the acquisition methods for the time delay adjusted value that the above embodiment of the present invention provides Each data between optical-fiber time-delay and each distal end and proximal end in system at least one distal end between each distal end and proximal end pass The carrier wave in defeated channel polymerize CA time delay, at least one distally passes through expanding element and is connected with proximal end；Later according to the optical fiber of acquisition Time delay and CA time delay proximally send the first maximum fiber time delay and the first maximum CA time delay；Wherein, the first maximum fiber time delay For the maximum optical-fiber time-delay of time delay value in optical-fiber time-delay, time delay value maximum CA time delay in Yanzhong when the first maximum CA time delay is CA； Receive the second maximum fiber time delay, the second maximum CA time delay and the default time delay configuration information of proximal end broadcast, wherein second is maximum Optical-fiber time-delay is that proximal end is delayed when receiving multiple first maximum fibers that multiple expanding elements are sent, and the time delay value found is most Big optical-fiber time-delay, the second maximum CA time delay are proximal end in the multiple first maximum CA time delays for receiving multiple expanding elements transmissions Afterwards, the maximum CA time delay of the time delay value found；Then according to time delay configuration information is preset, the second maximum fiber time delay is carried out Configuration, obtains the target optical-fiber time-delay of system, and according to the CA time delay of the second maximum CA time delay and each data transmission channel, obtain Take the CA delay compensation value of each data transmission channel；To each distal end send optical fiber distributed type system target optical-fiber time-delay and The CA delay compensation value of each data transmission channel, so that each distal end obtains time delay adjusted value.Compared with prior art, the party Method does not need to realize time-delay alignment by increasing optical fiber or modification program code, which thereby enhance time-delay alignment real-time and Convenience, and reduce costs.
Detailed description of the invention
Figure 1A is a kind of adaptable optical fiber distributed type of acquisition methods of time delay adjusted value provided in an embodiment of the present invention The structural schematic diagram of system；
Figure 1B is a kind of adaptable optical fiber distributed type of acquisition methods of time delay adjusted value provided in an embodiment of the present invention The structural schematic diagram of system；
Fig. 2 is a kind of flow diagram of the acquisition methods of time delay adjusted value provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of the acquisition device of time delay adjusted value provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the acquisition device of another time delay adjusted value provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of a kind of electronic equipment provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete Site preparation description, it is clear that described embodiment is only some embodiments of the present application, is not whole embodiments.Based on this Apply for embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, shall fall in the protection scope of this application.
The acquisition methods of time delay adjusted value provided in an embodiment of the present invention can be applied in optical fiber distributed type system.This is System may include the optical fiber distributed type system of two level frameworks and the optical fiber distributed type system of three-level structure.
As shown in Figure 1A, the optical fiber distributed type system of two level frameworks may include proximally and distally.Wherein, proximal end can be with Each distal end at least one distal end is connected by optical fiber, and the distal end being each directly connected to proximal end can be at least one Other are distally cascaded, i.e., at least one other distal end can carry out optical fiber connection with the proximal end indirectly.As proximal end respectively with It distally 1 to distal end N is connected by optical fiber, distal end 1-1 to distal end 1-N and distal end 1 cascade, distal end 2-1 to distal end 2-N and distal end 1 Cascade, and so on, distal end N-1 to distal end N-N and distal end N are cascaded.
As shown in Figure 1B, the optical fiber distributed type system of three-level structure may include proximal end, expanding element and distal end.Wherein, Proximal end can be connect with each expanding element at least one expanding element by optical fiber, and be each directly connected to proximal end Expanding element can be cascaded at least one other expanding element, i.e., at least one other expanding element can indirectly with this Proximal end carries out optical fiber connection, and each expanding element distally passes through optical fiber at least one and connect.As proximal end is single with extension respectively Member 1 to expanding element N is connected by optical fiber, and expanding element 1-1 to expanding element 1-N and expanding element 1 cascade, expanding element 2- 1 to expanding element 2-N cascades with expanding element 1, and so on, expanding element N-1 to expanding element N-N and expanding element N grades Connection, and each expanding element in the system is connect with N number of distal end by optical fiber.
Wherein, each distal end can be most distal ends NTNR according to transmission channel multiband；N is positive integer；For second level The optical fiber distributed type system of framework then directly can replace expanding element by the distal end being directly connected to proximal end.
It is each it is distal-to-proximal may include single-input single-output (Single Input Single Output, siso) mould The optical fiber of formula connects and/or the connection of the optical fiber of multiple-input and multiple-output (Multi Input Multi Output, mimo) mode, i.e., It is each it is distal-to-proximal have two-way optical-fiber time-delay, therefore when optical-fiber time-delay may include the road siso optical-fiber time-delay and the road mimo optical fiber Prolong.
And siso or mimo can be divided into time division duplex according to the different systems of distal end by every road optical-fiber time-delay (Time Division Duplexing, TDD) optical-fiber time-delay and frequency division duplex (Frequency Division Duplexing, FDD) optical-fiber time-delay, therefore optical fiber distributed type system can be the mixed networking of TDD and FDD.
It is illustrated so that optical fiber distributed type system is three-level structure as an example below.
Fig. 2 is a kind of flow diagram of the acquisition methods of time delay adjusted value provided in an embodiment of the present invention.Such as Fig. 2 institute Show, this method may include:
Step 210, expanding element obtain optical-fiber time-delay at least one distal end between each distal end and proximal end and each remote The CA time delay of each data transmission channel between end and proximal end.
Fpga chip in expanding element connected by optical fiber read each optical fiber interface of the expanding element accessed to Each distal-to-proximal optical-fiber time-delay in a few distal end, the optical-fiber time-delay are data in a fiber from transmitting terminal to receiving end Required time, i.e. optical-fiber time-delay are related with transmission range and transmission medium.
Specifically, the frequency range that expanding element can be accessed according to respective distal end, distinguishes the distal-to-proximal optical-fiber time-delay It is TDD optical-fiber time-delay or FDD optical-fiber time-delay, therefore the optical-fiber time-delay may include TDD optical-fiber time-delay and FDD optical-fiber time-delay.Its In, FDD, which refers to, sends and receives data using different frequencies, and TDD refers to that sending and receiving data uses identical frequency range.
Optical fiber due to can be siso mode in optical fiber distributed type system between each distal end and proximal end connects or mimo mould The optical fiber of formula connects, therefore above-mentioned optical-fiber time-delay may include the FDD optical-fiber time-delay of siso and the FDD of TDD optical-fiber time-delay and mimo Optical-fiber time-delay and TDD optical-fiber time-delay.
And the transmission rate of each terminal of the available optical fiber connection of fpga chip in expanding element converts time delay, Wherein the transmission rate conversion time delay of each terminal can be obtained by actual test.Transmission rate conversion time delay is also referred to as carrier wave It polymerize (Carrier Aggregation, CA) time delay, refers to the processing delay generated by FPGA by rate conversion.Such as 92.16MBPS is transformed into the processing delay of 46.08MBPS generation.
Step 220, expanding element proximally send the first maximum fiber time delay according to the optical-fiber time-delay and CA time delay of acquisition With the first maximum CA time delay.
Yanzhong optical-fiber time-delay is most when the FPGA of expanding element searches the optical-fiber time-delay and CA of at least one distal end obtained The maximum value of big value and CA time delay；Maximum optical-fiber time-delay is determined as the first maximum fiber time delay, and by maximum CA time delay It is determined as the first maximum CA time delay.
Later, the first maximum fiber time delay and the first maximum CA time delay are proximally sent, wherein the FPGA of expanding element can The first maximum fiber time delay and the first maximum CA time delay are proximally sent in a manner of through passback.Wherein, the first maximum fiber Time delay includes the first FDD maximum fiber time delay and the first TDD maximum fiber time delay.
It should be noted that each expanding element can also by way of monitoring passback by the first maximum fiber time delay and First maximum CA time delay is sent to proximal end.However, comparison FPGA passback and monitoring passback, are returned real-time by FPGA Property is higher, more stable.
The multiple first maximum fiber time delays and multiple first maximums that step 230, proximal end are sent according to multiple expanding elements CA time delay obtains the second maximum fiber time delay and the second maximum CA time delay.
The FPGA of proximal end is delayed when receiving multiple first maximum fibers that multiple expanding elements are sent, most from multiple first Maximum optical-fiber time-delay is searched in big optical-fiber time-delay as the second maximum fiber time delay, Yanzhong is searched most when from the multiple first most CA Big CA time delay is as the second maximum CA time delay.
Wherein, the second maximum fiber time delay includes the 2nd FDD maximum fiber time delay and the 2nd TDD maximum fiber time delay.
Step 240, proximal end to multiple expanding elements broadcast the second maximum fiber time delay, the second maximum CA time delay and it is default when Prolong configuration information.
Wherein, when presetting time delay configuration information and can be system maximum fiber time delay configuration information or point standard maximum fiber Prolong configuration information.The configuration information can be pre-configured in proximal end according to the actual situation by technical staff.
When so that all expanding elements in optical fiber distributed type system is received the second maximum fiber proximally by the mode of broadcast Prolong, the second maximum CA time delay and default time delay configuration information.
Step 250, expanding element configure the second maximum fiber time delay according to default time delay configuration information, obtain The target optical-fiber time-delay of optical fiber distributed type system.
If default time delay configuration information is system maximum fiber time delay configuration information, the FPGA of expanding element is by second The maximum value of Yanzhong is determined as the target optical fiber of optical fiber distributed type system when FDD maximum fiber time delay and the 2nd TDD maximum fiber Time delay；
Later, the target optical-fiber time-delay of the optical fiber distributed type system can be assigned to preset by the FPGA of expanding element simultaneously The interim FDD maximum fiber time delay of format and the interim TDD maximum fiber time delay of preset format.
If default time delay configuration information is to divide standard maximum fiber time delay configuration information, the FPGA of expanding element is by second FDD maximum fiber time delay and the 2nd TDD maximum fiber time delay are identified as the FDD target optical-fiber time-delay of optical fiber distributed type system With the TDD target optical-fiber time-delay of optical fiber distributed type system.
Later, the FPGA of expanding element can be by the FDD target optical-fiber time-delay and fiber distribution of the optical fiber distributed type system The TDD target optical-fiber time-delay of formula system is assigned to the interim FDD maximum fiber time delay of preset format and facing for preset format simultaneously When TDD maximum fiber time delay.
Wherein, the preset format of interim FDD maximum fiber time delay and interim TDD maximum fiber time delay be expanding element with Apply format at least one distal end of connection.
Optionally, the FPGA of expanding element can use preset backoff algorithm, to the target light of optical fiber distributed type system Fine time delay and the optical-fiber time-delay of acquisition carry out operation, obtain optical-fiber time-delay offset of each distal end with proximal end.
Specifically, if the target optical-fiber time-delay of optical fiber distributed type system is matched according to system maximum fiber time delay configuration information It sets, then the FPGA of expanding element can determine the difference of the target optical-fiber time-delay of optical fiber distributed type system and FDD optical-fiber time-delay For the first optical-fiber time-delay offset, and the target optical-fiber time-delay of optical fiber distributed type system and the difference of TDD optical-fiber time-delay are determined as Second optical-fiber time-delay offset.
Optionally, if TDD optical-fiber time-delay is the siso optical-fiber time-delay or mimo optical-fiber time-delay of TDD standard, by the second light Optical-fiber time-delay offset of the fine delay compensation value as siso or mimo；If FDD optical-fiber time-delay is siso optical-fiber time-delay or mimo Optical-fiber time-delay, then using the first optical-fiber time-delay offset as the optical-fiber time-delay offset of siso or mimo.
If the target optical-fiber time-delay of optical fiber distributed type system according to divide standard maximum fiber time delay configuration information configure, The target optical fiber delay packet of optical fiber distributed type system includes FDD target optical-fiber time-delay and the optical fiber distributed type system of optical fiber distributed type system The TDD target optical-fiber time-delay of system, then the FPGA of expanding element can by the FDD target optical-fiber time-delay of optical fiber distributed type system with The difference of FDD optical-fiber time-delay is determined as third optical-fiber time-delay offset, and by the TDD target optical-fiber time-delay of optical fiber distributed type system with The difference of TDD optical-fiber time-delay is determined as the 4th optical-fiber time-delay offset.
Optionally, if TDD optical-fiber time-delay is the siso optical-fiber time-delay or mimo optical-fiber time-delay of TDD standard, by the 4th light Optical-fiber time-delay offset of the fine delay compensation value as siso or mimo；
If FDD optical-fiber time-delay be siso optical-fiber time-delay or mimo optical-fiber time-delay, using third optical-fiber time-delay offset as The optical-fiber time-delay offset of siso or mimo.
Optionally, the optical-fiber time-delay offset that the FPGA of expanding element can be manually entered with reception technique personnel, to obtain Take optical-fiber time-delay offset, wherein optical-fiber time-delay offset may include siso optical-fiber time-delay offset and mimo optical-fiber time-delay Offset.
Step 260, expanding element obtain each according to the CA time delay of the second maximum CA time delay and each data transmission channel The CA delay compensation value of data transmission channel.
The difference of second maximum CA time delay and the CA time delay of each data transmission channel is determined as often by the FPGA of expanding element The CA delay compensation value of a data transmission channel.
Optionally, the FPGA of expanding element can be with the CA delay compensation value that reception technique personnel are manually entered, to obtain The CA delay compensation value of each data transmission channel.
The target optical-fiber time-delay and each data of step 270, expanding element to each distal end transmission optical fiber distributed type system The CA delay compensation value of transmission channel.
The FPGA of expanding element can be by monitoring passback mode by the target optical-fiber time-delay of optical fiber distributed type system and every The CA delay compensation value of a data transmission channel is synchronized to distal end.
Step 280 distally uses preset backoff algorithm, when to the target optical-fiber time-delay and optical fiber of optical fiber distributed type system Prolong carry out operation, obtains optical-fiber time-delay offset of each distal end with proximal end.
Light before executing the step, in the available optical fiber distributed type system of the FPGA of distal end between the distal end and proximal end Fine time delay, i.e. the FDD optical-fiber time-delay and TDD optical-fiber time-delay of the FDD optical-fiber time-delay of acquisition siso and TDD optical-fiber time-delay and mimo.
If the target optical-fiber time-delay of optical fiber distributed type system is expanding element according to system maximum fiber time delay configuration information Configuration, then the target optical-fiber time-delay of optical fiber distributed type system and the difference of FDD optical-fiber time-delay can be determined as by the FPGA of distal end First optical-fiber time-delay offset, and the difference of the target optical-fiber time-delay of optical fiber distributed type system and TDD optical-fiber time-delay is determined as the Two optical-fiber time-delay offsets；
Optionally, if TDD optical-fiber time-delay is the siso optical-fiber time-delay or mimo optical-fiber time-delay of TDD standard, by the second light Optical-fiber time-delay offset of the fine delay compensation value as siso or mimo；If FDD optical-fiber time-delay is siso optical-fiber time-delay or mimo Optical-fiber time-delay, then using the first optical-fiber time-delay offset as the optical-fiber time-delay offset of siso or mimo.
If the target optical-fiber time-delay of optical fiber distributed type system is expanding element according to point standard maximum fiber time delay with confidence Breath configuration, the target optical fiber delay packet of optical fiber distributed type system includes the FDD target optical-fiber time-delay and light of optical fiber distributed type system The TDD target optical-fiber time-delay of fine distributed system, the then when FPGA of distal end can be by the FDD target optical fiber of optical fiber distributed type system Prolong and be determined as third optical-fiber time-delay offset with the difference of FDD optical-fiber time-delay, and when by the TDD target optical fiber of optical fiber distributed type system Prolong the difference with TDD optical-fiber time-delay, is determined as the 4th optical-fiber time-delay offset.
Optionally, if TDD optical-fiber time-delay is the siso optical-fiber time-delay or mimo optical-fiber time-delay of TDD standard, by the 4th light Optical-fiber time-delay offset of the fine delay compensation value as siso or mimo；If FDD optical-fiber time-delay is siso optical-fiber time-delay or mimo Optical-fiber time-delay, then using third optical-fiber time-delay offset as the optical-fiber time-delay offset of siso or mimo.
Optionally, the optical-fiber time-delay offset that the FPGA of distal end can be manually entered with reception technique personnel, to obtain light Fine delay compensation value, wherein optical-fiber time-delay offset may include siso optical-fiber time-delay offset and the compensation of mimo optical-fiber time-delay Value.
It is understood that if distal end does not receive its optical-fiber time-delay offset with proximal end from expanding element, distal end Above-mentioned steps will be executed；If distal end receives its optical-fiber time-delay offset with proximal end from expanding element, distal end will not be executed The step.
Step 290, distally to the CA delay compensation value of each data transmission channel and optical-fiber time-delay offset, using default Time delay adjustment algorithm obtains the time delay adjusted value of data transmission channel.
The FPGA of distal end sums the CA delay compensation value of each data transmission channel and optical-fiber time-delay offset, and uses Default time delay adjustment algorithm adjusts operation with progress time delay to the two, obtains the time delay adjustment in respective data transfer channel Value, and time delay adjustment is carried out to corresponding data transmission channel according to time delay adjusted value, realize time-delay alignment.
For example, the CA delay compensation value of target data transmission channel and optical-fiber time-delay offset and be A, preset time delay tune Whole algorithm is Logarithmic Algorithm, therefore the time delay adjusted value of target data transmission channel is lognA, wherein n is the truth of a matter of logarithm, n > 0 And n ≠ 1.
Expanding element first obtains optical fiber distributed type in the acquisition methods for the time delay adjusted value that the above embodiment of the present invention provides Each data between optical-fiber time-delay and each distal end and proximal end in system at least one distal end between each distal end and proximal end pass The carrier wave in defeated channel polymerize CA time delay, at least one distally passes through expanding element and is connected with proximal end；Later according to the optical fiber of acquisition Time delay and CA time delay proximally send the first maximum fiber time delay and the first maximum CA time delay；Wherein, the first maximum fiber time delay For the maximum optical-fiber time-delay of time delay value in optical-fiber time-delay, time delay value maximum CA time delay in Yanzhong when the first maximum CA time delay is CA； Receive the second maximum fiber time delay, the second maximum CA time delay and the default time delay configuration information of proximal end broadcast, wherein second is maximum Optical-fiber time-delay is that proximal end is delayed when receiving multiple first maximum fibers that multiple expanding elements are sent, and the time delay value found is most Big optical-fiber time-delay, the second maximum CA time delay are proximal end in the multiple first maximum CA time delays for receiving multiple expanding elements transmissions Afterwards, the maximum CA time delay of the time delay value found；Then according to time delay configuration information is preset, the second maximum fiber time delay is carried out Configuration, obtains the target optical-fiber time-delay of system, and according to the CA time delay of the second maximum CA time delay and each data transmission channel, obtain Take the CA delay compensation value of each data transmission channel；To each distal end send optical fiber distributed type system target optical-fiber time-delay and The CA delay compensation value of each data transmission channel, so that each distal end obtains time delay adjusted value.Compared with prior art, the party Method does not need to realize time-delay alignment by increasing optical fiber or modification program code, which thereby enhance time-delay alignment real-time and Convenience, and reduce costs.
Corresponding with the above method, the embodiment of the present invention also provides a kind of acquisition device of time delay adjusted value, such as Fig. 3 institute Show, the acquisition device of the time delay adjusted value includes: acquiring unit 310, transmission unit 320, receiving unit 330, configuration unit 340；
Acquiring unit 310, for obtaining in optical fiber distributed type system at least one distal end between each distal end and proximal end Optical-fiber time-delay and each distal end polymerize CA time delay with the carrier wave of each data transmission channel between the proximal end, it is described at least One distal end is connected by described device with the proximal end；
Transmission unit 320, for according to acquisition the optical-fiber time-delay and the CA time delay, the proximal end Xiang Suoshu send first Maximum fiber time delay and the first maximum CA time delay；Wherein, the first maximum fiber time delay is time delay value in the optical-fiber time-delay Maximum optical-fiber time-delay, time delay value maximum CA time delay in Yanzhong when the first maximum CA time delay is the CA；
Receiving unit 330, for receiving the second maximum fiber time delay of proximal end broadcast, the second maximum CA time delay and in advance If time delay configuration information, wherein the second maximum fiber time delay is the proximal end in receive that multiple devices send multiple the It is delayed when one maximum fiber, the maximum optical-fiber time-delay of the time delay value found, the second maximum CA time delay is that the proximal end exists It is delayed when receiving multiple first maximum CA that multiple devices are sent, the maximum CA time delay of the time delay value found；
Configuration unit 340, for matching to the second maximum fiber time delay according to the default time delay configuration information It sets, obtains the target optical-fiber time-delay of the system；
Acquiring unit 310, when being also used to the CA according to the second maximum CA time delay and each data transmission channel Prolong, obtains the CA delay compensation value of each data transmission channel；
Transmission unit 320, for sent to each distal end the optical fiber distributed type system target optical-fiber time-delay and The CA delay compensation value of each data transmission channel, so that each distal end obtains time delay adjusted value.
In an optional realization, the second maximum fiber time delay includes the 2nd FDD maximum fiber time delay and second TDD maximum fiber time delay；
Configuration unit 340, if being specifically used for the default time delay configuration information is system maximum fiber time delay configuration information, The maximum value of Yanzhong when the 2nd FDD maximum fiber time delay and the 2nd TDD maximum fiber is then determined as the optical fiber The target optical-fiber time-delay of distributed system；
If the default time delay configuration information is to divide standard maximum fiber time delay configuration information, most by the 2nd FDD Big optical-fiber time-delay and the 2nd TDD maximum fiber time delay are identified as the FDD target optical fiber of the optical fiber distributed type system The TDD target optical-fiber time-delay of time delay and the optical fiber distributed type system.
In an optional realization, acquiring unit 310 is also used to using preset backoff algorithm, to the optical fiber point The target optical-fiber time-delay of cloth system and the optical-fiber time-delay carry out operation, obtain the optical fiber of each distal end and the proximal end Delay compensation value.
In an optional realization, the optical-fiber time-delay includes FDD optical-fiber time-delay and TDD optical-fiber time-delay；
Acquiring unit 310, if the target optical-fiber time-delay specifically for the optical fiber distributed type system is according to the system The configuration of maximum fiber time delay configuration information, then by the target optical-fiber time-delay of the optical fiber distributed type system and the FDD optical fiber The difference of time delay is determined as the first optical-fiber time-delay offset, and by the target optical-fiber time-delay of the optical fiber distributed type system with it is described The difference of TDD optical-fiber time-delay is determined as the second optical-fiber time-delay offset；
If the target optical-fiber time-delay of the optical fiber distributed type system is point standard maximum fiber time delay according to confidence Breath configuration, the target optical fiber delay packet of the optical fiber distributed type system includes the FDD target optical fiber of the optical fiber distributed type system The TDD target optical-fiber time-delay of time delay and the optical fiber distributed type system, then by the FDD target optical fiber of the optical fiber distributed type system The difference of time delay and the FDD optical-fiber time-delay is determined as third optical-fiber time-delay offset, and by the TDD of the optical fiber distributed type system The difference of target optical-fiber time-delay and the TDD optical-fiber time-delay, is determined as the 4th optical-fiber time-delay offset.
One it is optional realize, acquiring unit 310, also particularly useful for will the second maximum CA time delay with it is described often The difference of the CA time delay of a data transmission channel is determined as the CA delay compensation value of each data transmission channel.
The function of each functional unit of the acquisition device for the time delay adjusted value that the above embodiment of the present invention provides, can pass through Above-mentioned various method steps realize, therefore, each unit in the acquisition device of time delay adjusted value provided in an embodiment of the present invention Specific work process and beneficial effect, do not repeat again herein.
Corresponding with the above method, the embodiment of the present invention also provides a kind of acquisition device of time delay adjusted value, such as Fig. 4 institute Show, the acquisition device of the time delay adjusted value includes: acquiring unit 410 and receiving unit 420；
Acquiring unit 410, for obtaining the optical-fiber time-delay between distal end and proximal end described in optical fiber distributed type system；
Receiving unit 420, for receiving the target optical-fiber time-delay of optical fiber distributed type system of expanding element transmission and described The CA delay compensation value of each data transmission channel between distal end and the proximal end；
Acquiring unit 410, is also used to using preset backoff algorithm, when to the target optical fiber of the optical fiber distributed type system Prolong and carry out operation with the optical-fiber time-delay, obtains optical-fiber time-delay offset of the distal end with the proximal end；
CA delay compensation value and the optical-fiber time-delay offset to each data transmission channel, using default time delay Adjustment algorithm obtains the time delay adjusted value of the data transmission channel, to carry out time delay adjustment to the channel.
In an optional realization, the optical-fiber time-delay includes FDD optical-fiber time-delay and TDD optical-fiber time-delay；
Acquiring unit 410, if the target optical-fiber time-delay specifically for the optical fiber distributed type system is the expanding element According to system maximum fiber time delay configuration information configuration, then by the target optical-fiber time-delay of the optical fiber distributed type system with it is described The difference of FDD optical-fiber time-delay is determined as the first optical-fiber time-delay offset, and by the target optical-fiber time-delay of the optical fiber distributed type system It is determined as the second optical-fiber time-delay offset with the difference of the TDD optical-fiber time-delay；
If the target optical-fiber time-delay of the optical fiber distributed type system is the expanding element according to point standard maximum fiber Prolong configuration information configuration, the target optical fiber delay packet of the optical fiber distributed type system includes the FDD of the optical fiber distributed type system The TDD target optical-fiber time-delay of target optical-fiber time-delay and the optical fiber distributed type system, then by the FDD of the optical fiber distributed type system The difference of target optical-fiber time-delay and the FDD optical-fiber time-delay is determined as third optical-fiber time-delay offset, and by the optical fiber distributed type The difference of the TDD target optical-fiber time-delay of system and the TDD optical-fiber time-delay, is determined as the 4th optical-fiber time-delay offset.
The function of each functional unit of the acquisition device for the time delay adjusted value that the above embodiment of the present invention provides, can pass through Above-mentioned various method steps realize, therefore, each unit in the acquisition device of time delay adjusted value provided in an embodiment of the present invention Specific work process and beneficial effect, do not repeat again herein.
The embodiment of the invention also provides a kind of electronic equipment, as shown in figure 5, include processor 510, communication interface 520, Memory 530 and communication bus 540, wherein processor 510, communication interface 520, memory 530 are complete by communication bus 540 At mutual communication.
Memory 530, for storing computer program；
Processor 510 when for executing the program stored on memory 530, realizes following steps:
Obtain optical-fiber time-delay in optical fiber distributed type system at least one distal end between each distal end and proximal end and described every The carrier wave of each data transmission channel between a distal end and the proximal end polymerize CA time delay, it is described at least one distally pass through it is described Expanding element is connected with the proximal end；
According to the optical-fiber time-delay of acquisition and the CA time delay, the proximal end Xiang Suoshu sends the first maximum fiber time delay and the One maximum CA time delay；Wherein, the first maximum fiber time delay is the maximum optical-fiber time-delay of time delay value in the optical-fiber time-delay, institute State time delay value maximum CA time delay in Yanzhong when the first maximum CA time delay is the CA；
The second maximum fiber time delay, the second maximum CA time delay and the default time delay configuration information of the proximal end broadcast are received, Wherein, the second maximum fiber time delay is the proximal end when receiving multiple first maximum fibers that multiple expanding elements are sent It delays, the maximum optical-fiber time-delay of the time delay value found, the second maximum CA time delay is that the proximal end is receiving multiple extensions It is delayed when multiple first maximum CA that unit is sent, the maximum CA time delay of the time delay value found；
According to the default time delay configuration information, the second maximum fiber time delay is configured, the system is obtained Target optical-fiber time-delay；
According to the CA time delay of second the maximum CA time delay and each data transmission channel, each data are obtained The CA delay compensation value of transmission channel；
The target optical-fiber time-delay of the optical fiber distributed type system is sent to each distal end and each data are transmitted The CA delay compensation value in channel, so that each distal end obtains time delay adjusted value.
In an optional realization, the second maximum fiber time delay includes the 2nd FDD maximum fiber time delay and second TDD maximum fiber time delay；
According to the default time delay configuration information, the second maximum fiber time delay is configured, the optical fiber is obtained The target optical-fiber time-delay of distributed system, comprising:
If the default time delay configuration information is system maximum fiber time delay configuration information, and the 2nd FDD is maximum The maximum value of Yanzhong is determined as the target optical fiber of the optical fiber distributed type system when optical-fiber time-delay and the 2nd TDD maximum fiber Time delay；
If the default time delay configuration information is to divide standard maximum fiber time delay configuration information, most by the 2nd FDD Big optical-fiber time-delay and the 2nd TDD maximum fiber time delay are identified as the FDD target optical fiber of the optical fiber distributed type system The TDD target optical-fiber time-delay of time delay and the optical fiber distributed type system.
In an optional realization, after the target optical-fiber time-delay for obtaining the optical fiber distributed type system, the method Further include:
Using preset backoff algorithm, target optical-fiber time-delay and the optical-fiber time-delay to the optical fiber distributed type system into Row operation obtains the optical-fiber time-delay offset of each distal end and the proximal end.
In an optional realization, the optical-fiber time-delay includes FDD optical-fiber time-delay and TDD optical-fiber time-delay；
Obtain the optical-fiber time-delay offset of each distal end with the proximal end, comprising:
If the target optical-fiber time-delay of the optical fiber distributed type system is according to the system maximum fiber time delay configuration information Configuration, then the difference of the target optical-fiber time-delay of the optical fiber distributed type system and the FDD optical-fiber time-delay is determined as the first light Fine delay compensation value, and the target optical-fiber time-delay of the optical fiber distributed type system and the difference of the TDD optical-fiber time-delay are determined as Second optical-fiber time-delay offset；
If the target optical-fiber time-delay of the optical fiber distributed type system is point standard maximum fiber time delay according to confidence Breath configuration, the target optical fiber delay packet of the optical fiber distributed type system includes the FDD target optical fiber of the optical fiber distributed type system The TDD target optical-fiber time-delay of time delay and the optical fiber distributed type system, then by the FDD target optical fiber of the optical fiber distributed type system The difference of time delay and the FDD optical-fiber time-delay is determined as third optical-fiber time-delay offset, and by the TDD of the optical fiber distributed type system The difference of target optical-fiber time-delay and the TDD optical-fiber time-delay, is determined as the 4th optical-fiber time-delay offset.
In an optional realization, when according to the CA of the second maximum CA time delay and each data transmission channel Prolong, obtain the CA delay compensation value of each data transmission channel, comprising:
The difference of the second maximum CA time delay and the CA time delay of each data transmission channel is determined as described each The CA delay compensation value of data transmission channel.
Alternatively, executing following steps:
Obtain the optical-fiber time-delay between distal end and proximal end described in optical fiber distributed type system；
Between the target optical-fiber time-delay and the distal end and the proximal end that receive the optical fiber distributed type system that expanding element is sent Each data transmission channel CA delay compensation value；
Using preset backoff algorithm, target optical-fiber time-delay and the optical-fiber time-delay to the optical fiber distributed type system into Row operation obtains optical-fiber time-delay offset of the distal end with the proximal end；
CA delay compensation value and the optical-fiber time-delay offset to each data transmission channel, using default time delay Adjustment algorithm obtains the time delay adjusted value of the data transmission channel, to carry out time delay adjustment to the channel.
In an optional realization, the optical-fiber time-delay includes FDD optical-fiber time-delay and TDD optical-fiber time-delay；
Obtain optical-fiber time-delay offset of the distal end with the proximal end, comprising:
If the target optical-fiber time-delay of the optical fiber distributed type system is the expanding element according to system maximum fiber time delay Configuration information configuration, then the difference of the target optical-fiber time-delay of the optical fiber distributed type system and the FDD optical-fiber time-delay is determined For the first optical-fiber time-delay offset, and by the target optical-fiber time-delay of the optical fiber distributed type system and the TDD optical-fiber time-delay Difference is determined as the second optical-fiber time-delay offset；
If the target optical-fiber time-delay of the optical fiber distributed type system is the expanding element according to point standard maximum fiber Prolong configuration information configuration, the target optical fiber delay packet of the optical fiber distributed type system includes the FDD of the optical fiber distributed type system The TDD target optical-fiber time-delay of target optical-fiber time-delay and the optical fiber distributed type system, then by the FDD of the optical fiber distributed type system The difference of target optical-fiber time-delay and the FDD optical-fiber time-delay is determined as third optical-fiber time-delay offset, and by the optical fiber distributed type The difference of the TDD target optical-fiber time-delay of system and the TDD optical-fiber time-delay, is determined as the 4th optical-fiber time-delay offset.
Communication bus mentioned above can be Peripheral Component Interconnect standard (Peripheral Component Interconnect, PCI) bus or expanding the industrial standard structure (Extended Industry Standard Architecture, EISA) bus etc..The communication bus can be divided into address bus, data/address bus, control bus etc..For just It is only indicated with a thick line in expression, figure, it is not intended that an only bus or a type of bus.
Communication interface is for the communication between above-mentioned electronic equipment and other equipment.
Memory may include random access memory (Random Access Memory, RAM), also may include non-easy The property lost memory (Non-Volatile Memory, NVM), for example, at least a magnetic disk storage.Optionally, memory may be used also To be storage device that at least one is located remotely from aforementioned processor.
Above-mentioned processor can be general processor, including central processing unit (Central Processing Unit, CPU), network processing unit (Network Processor, NP) etc.；It can also be digital signal processor (Digital Signal Processing, DSP), it is specific integrated circuit (Application Specific Integrated Circuit, ASIC), existing It is field programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic device, discrete Door or transistor logic, discrete hardware components.
The embodiment and beneficial effect solved the problems, such as due to each device of electronic equipment in above-described embodiment can join Each step in embodiment as shown in Figure 2 realizes, therefore, the specific works mistake of electronic equipment provided in an embodiment of the present invention Journey and beneficial effect, do not repeat again herein.
In another embodiment provided by the invention, a kind of computer readable storage medium is additionally provided, which can It reads to be stored with instruction in storage medium, when run on a computer, so that computer executes any institute in above-described embodiment The acquisition methods for the time delay adjusted value stated.
In another embodiment provided by the invention, a kind of computer program product comprising instruction is additionally provided, when it When running on computers, so that computer executes the acquisition methods of any time delay adjusted value in above-described embodiment.
It should be understood by those skilled in the art that, the embodiment in the embodiment of the present application can provide as method, system or meter Calculation machine program product.Therefore, complete hardware embodiment, complete software embodiment can be used in the embodiment of the present application or combine soft The form of the embodiment of part and hardware aspect.Moreover, being can be used in the embodiment of the present application in one or more wherein includes meter Computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, the optical memory of calculation machine usable program code Deng) on the form of computer program product implemented.
It is referring to according to the method for embodiment, equipment (system) and calculating in the embodiment of the present application in the embodiment of the present application The flowchart and/or the block diagram of machine program product describes.It should be understood that can be realized by computer program instructions flow chart and/or The combination of the process and/or box in each flow and/or block and flowchart and/or the block diagram in block diagram.It can mention For the processing of these computer program instructions to general purpose computer, special purpose computer, Embedded Processor or other programmable datas The processor of equipment is to generate a machine, so that being executed by computer or the processor of other programmable data processing devices Instruction generation refer to for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram The device of fixed function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.
Although the preferred embodiment in the embodiment of the present application has been described, once a person skilled in the art knows Basic creative concept, then additional changes and modifications may be made to these embodiments.So appended claims are intended to explain Being includes preferred embodiment and all change and modification for falling into range in the embodiment of the present application.
Obviously, those skilled in the art embodiment in the embodiment of the present application can be carried out various modification and variations without It is detached from the spirit and scope of embodiment in the embodiment of the present application.If in this way, in the embodiment of the present application embodiment these modification Within the scope of belonging in the embodiment of the present application claim and its equivalent technologies with modification, then also it is intended in the embodiment of the present application It includes these modifications and variations.

Claims (11)

1. a kind of acquisition methods of time delay adjusted value, which is characterized in that the described method includes:
Expanding element obtains optical-fiber time-delay and institute at least one distal end of optical fiber distributed type system between each distal end and proximal end The carrier wave for stating each data transmission channel between each distal end and the proximal end polymerize CA time delay, it is described at least one distally pass through The expanding element is connected with the proximal end；
According to the optical-fiber time-delay of acquisition and the CA time delay, the proximal end Xiang Suoshu sends the first maximum fiber time delay and first most Big CA time delay；Wherein, the first maximum fiber time delay is the maximum optical-fiber time-delay of time delay value in the optical-fiber time-delay, described the Time delay value maximum CA time delay in Yanzhong when one maximum CA time delay is the CA；
Receive the second maximum fiber time delay, the second maximum CA time delay and the default time delay configuration information of the proximal end broadcast, wherein The second maximum fiber time delay is that the proximal end is delayed when receiving multiple first maximum fibers that multiple expanding elements are sent, The maximum optical-fiber time-delay of the time delay value found, the second maximum CA time delay are that the proximal end is receiving multiple expanding element hairs It is delayed when the multiple first maximum CA sent, the maximum CA time delay of the time delay value found；
According to the default time delay configuration information, the second maximum fiber time delay is configured, the mesh of the system is obtained Mark optical-fiber time-delay；
According to the CA time delay of second the maximum CA time delay and each data transmission channel, each data transmission is obtained The CA delay compensation value in channel；
The target optical-fiber time-delay and each data transmission channel of the optical fiber distributed type system are sent to each distal end CA delay compensation value so that each distal end obtains time delay adjusted value.
2. the method as described in claim 1, which is characterized in that the second maximum fiber time delay includes the 2nd FDD maximum light Fine time delay and the 2nd TDD maximum fiber time delay；
According to the default time delay configuration information, the second maximum fiber time delay is configured, the fiber distribution is obtained The target optical-fiber time-delay of formula system, comprising:
If the default time delay configuration information is system maximum fiber time delay configuration information, by the 2nd FDD maximum fiber When the maximum value of Yanzhong is determined as the target optical fiber of the optical fiber distributed type system when time delay and the 2nd TDD maximum fiber Prolong；
If the default time delay configuration information is to divide standard maximum fiber time delay configuration information, by the 2nd FDD maximum light Fine time delay and the 2nd TDD maximum fiber time delay are identified as the FDD target optical-fiber time-delay of the optical fiber distributed type system With the TDD target optical-fiber time-delay of the optical fiber distributed type system.
3. method according to claim 2, which is characterized in that obtain the optical fiber distributed type system target optical-fiber time-delay it Afterwards, the method also includes:
Using preset backoff algorithm, the target optical-fiber time-delay and the optical-fiber time-delay of the optical fiber distributed type system are transported It calculates, obtains the optical-fiber time-delay offset of each distal end and the proximal end.
4. method as claimed in claim 3, which is characterized in that when the optical-fiber time-delay includes FDD optical-fiber time-delay and TDD optical fiber Prolong；
Obtain the optical-fiber time-delay offset of each distal end with the proximal end, comprising:
If the target optical-fiber time-delay of the optical fiber distributed type system is configured according to the system maximum fiber time delay configuration information , then when the difference of the target optical-fiber time-delay of the optical fiber distributed type system and the FDD optical-fiber time-delay being determined as the first optical fiber Prolong offset, and the difference of the target optical-fiber time-delay of the optical fiber distributed type system and the TDD optical-fiber time-delay is determined as second Optical-fiber time-delay offset；
If the target optical-fiber time-delay of the optical fiber distributed type system is that a point standard maximum fiber time delay configuration information according to is matched It sets, the target optical fiber delay packet of the optical fiber distributed type system includes the FDD target optical-fiber time-delay of the optical fiber distributed type system With the TDD target optical-fiber time-delay of the optical fiber distributed type system, then by the FDD target optical-fiber time-delay of the optical fiber distributed type system It is determined as third optical-fiber time-delay offset with the difference of the FDD optical-fiber time-delay, and by the TDD target of the optical fiber distributed type system The difference of optical-fiber time-delay and the TDD optical-fiber time-delay, is determined as the 4th optical-fiber time-delay offset.
5. the method as described in claim 1, which is characterized in that passed according to the second maximum CA time delay and each data The CA time delay in defeated channel obtains the CA delay compensation value of each data transmission channel, comprising:
The difference of the second maximum CA time delay and the CA time delay of each data transmission channel is determined as each data The CA delay compensation value of transmission channel.
6. a kind of acquisition methods of time delay adjusted value, which is characterized in that the described method includes:
Distal end obtains the optical-fiber time-delay between distal end and proximal end described in optical fiber distributed type system；
It is every between the target optical-fiber time-delay and the distal end and the proximal end of the optical fiber distributed type system that reception expanding element is sent The CA delay compensation value of a data transmission channel；
Using preset backoff algorithm, the target optical-fiber time-delay and the optical-fiber time-delay of the optical fiber distributed type system are transported It calculates, obtains optical-fiber time-delay offset of the distal end with the proximal end；
CA delay compensation value and the optical-fiber time-delay offset to each data transmission channel, are adjusted using default time delay Algorithm obtains the time delay adjusted value of the data transmission channel, to carry out time delay adjustment to the channel.
7. method as claimed in claim 6, which is characterized in that when the optical-fiber time-delay includes FDD optical-fiber time-delay and TDD optical fiber Prolong；
Obtain optical-fiber time-delay offset of the distal end with the proximal end, comprising:
If the target optical-fiber time-delay of the optical fiber distributed type system is that the expanding element is configured according to system maximum fiber time delay Information configuration, then the difference of the target optical-fiber time-delay of the optical fiber distributed type system and the FDD optical-fiber time-delay is determined as the One optical-fiber time-delay offset, and really by the difference of the target optical-fiber time-delay of the optical fiber distributed type system and the TDD optical-fiber time-delay It is set to the second optical-fiber time-delay offset；
If the target optical-fiber time-delay of the optical fiber distributed type system is that the expanding element is matched according to a point standard maximum fiber time delay Information configuration is set, the target optical fiber delay packet of the optical fiber distributed type system includes the FDD target of the optical fiber distributed type system The TDD target optical-fiber time-delay of optical-fiber time-delay and the optical fiber distributed type system, then by the FDD target of the optical fiber distributed type system The difference of optical-fiber time-delay and the FDD optical-fiber time-delay is determined as third optical-fiber time-delay offset, and by the optical fiber distributed type system TDD target optical-fiber time-delay and the TDD optical-fiber time-delay difference, be determined as the 4th optical-fiber time-delay offset.
8. a kind of acquisition device of time delay adjusted value, which is characterized in that described device includes: acquiring unit, transmission unit, reception Unit, configuration unit；
The acquiring unit, the optical fiber at least one distal end for obtaining optical fiber distributed type system between each distal end and proximal end Time delay and each distal end polymerize CA time delay with the carrier wave of each data transmission channel between the proximal end, it is described at least one Distal end is connected by described device with the proximal end；
The transmission unit, for according to acquisition the optical-fiber time-delay and the CA time delay, the proximal end Xiang Suoshu send first most Big optical-fiber time-delay and the first maximum CA time delay；Wherein, the first maximum fiber time delay be the optical-fiber time-delay in time delay value most Big optical-fiber time-delay, time delay value maximum CA time delay in Yanzhong when the first maximum CA time delay is the CA；
The receiving unit, for receiving the second maximum fiber time delay broadcasted the proximal end, the second maximum CA time delay and presetting Time delay configuration information, wherein the second maximum fiber time delay is that the proximal end is receiving multiple the first of multiple devices transmissions It is delayed when maximum fiber, the maximum optical-fiber time-delay of the time delay value found, the second maximum CA time delay is that the proximal end is connecing It is delayed when receiving multiple first maximum CA that multiple devices are sent, the maximum CA time delay of the time delay value found；
The configuration unit, for being configured to the second maximum fiber time delay according to the default time delay configuration information, Obtain the target optical-fiber time-delay of the system；
The acquiring unit is also used to the CA time delay according to second the maximum CA time delay and each data transmission channel, Obtain the CA delay compensation value of each data transmission channel；
The transmission unit, for sending the target optical-fiber time-delay of the optical fiber distributed type system and described to each distal end The CA delay compensation value of each data transmission channel, so that each distal end obtains time delay adjusted value.
9. a kind of acquisition device of time delay adjusted value, which is characterized in that described device includes: acquiring unit and receiving unit；
The acquiring unit, for obtaining the optical-fiber time-delay between distal end and proximal end described in optical fiber distributed type system；
The receiving unit, for receive expanding element transmission optical fiber distributed type system target optical-fiber time-delay and the distal end The CA delay compensation value of each data transmission channel between the proximal end；
The acquiring unit is also used to using preset backoff algorithm, to the target optical-fiber time-delay of the optical fiber distributed type system Operation is carried out with the optical-fiber time-delay, obtains optical-fiber time-delay offset of the distal end with the proximal end；
CA delay compensation value and the optical-fiber time-delay offset to each data transmission channel, are adjusted using default time delay Algorithm obtains the time delay adjusted value of the data transmission channel, to carry out time delay adjustment to the channel.
10. a kind of electronic equipment, which is characterized in that the electronic equipment includes that processor, communication interface, memory and communication are total Line, wherein processor, communication interface, memory complete mutual communication by communication bus；
Memory, for storing computer program；
Processor, when for executing the program stored on memory, realize any method and step of claim 1-5 or Realize any method and step of claim 6-7.
11. a kind of computer readable storage medium, which is characterized in that be stored with computer in the computer readable storage medium Program realizes any method and step of claim 1-5 or realizes right when the computer program is executed by processor It is required that any method and step of 6-7.
CN201910725802.1A 2019-08-07 2019-08-07 Method and device for acquiring time delay adjustment value Active CN110493671B (en)

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