WO2022242604A1 - 端口匹配关系的确定方法、装置及存储介质 - Google Patents
端口匹配关系的确定方法、装置及存储介质 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0793—Network aspects, e.g. central monitoring of transmission parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0202—Arrangements therefor
- H04J14/021—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]
- H04J14/0212—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM] using optical switches or wavelength selective switches [WSS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
- H04B10/07955—Monitoring or measuring power
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1652—Optical Transport Network [OTN]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
- H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
- H04J2203/0003—Switching fabrics, e.g. transport network, control network
- H04J2203/0023—Routing/path finding
Definitions
- the planning software presets the fiber connection relationship, and manually follows the preset fiber connection relationship. even fiber. In this way, the probability of error is high, and the means of detecting optical fiber misconnection is single, relying on manual inspection one by one, which is extremely inefficient.
- the wavelength selective switch at the transmitting end includes a first input port and a first output port
- the wavelength selective switch at the receiving end includes a second input port and a second output port
- the device for determining the port matching relationship (hereinafter referred to as the device) )
- First obtain the first coded value of the first output port of the wavelength selective switch at the sending end the first coded value is a coded value obtained after the wavelength selective switch at the sending end is coded, in one embodiment, first multiple sending ends in the ROADM station
- the first output port of the wavelength selective switch is coded.
- Each wavelength selective switch at the transmitting end can be provided with multiple first output ports.
- step S130 power scanning is performed on the second output port of the receive-end wavelength selective switch to obtain a power value of the second output port, a second attenuation value corresponding to the second input port is obtained according to the power value, and a second attenuation value is obtained according to the second attenuation value. encoded value.
- the device scans the power of all receiving-end wavelength selective switches in the uplink and downlink directions in the ROADM station, and records the results of the power scanning to obtain the output of the second output port of the receiving-end wavelength selective switch.
- Step S140 determining a matching relationship between the first output port and the second input port according to the first code value and the second code value.
- the device determines the matching relationship between the first output port and the second input port according to the first code value and the second code value, and the power value of the second output port obtained in the power scan passes through the first After the processing from the second attenuation value to the second coded value, the obtained second coded value can directly correspond to the first coded value.
- step S110 it also includes initialization settings in the ROADM station, which may include the following steps S210 to S220 .
- step S110 it also includes initialization settings in the ROADM station, which may include the following steps S310 to S320 .
- Step S310 acquiring the light wave format and light wave quantity of light waves in the wavelength selective switch at the originating end.
- the device also initializes the ROADM station before encoding the first output port, including the wavelength division assignment to the originating wavelength selective switch.
- the light wave format and the number of light waves, and according to the light wave format and the number of light waves, the light waves are sequentially assigned to the first output ports of the wavelength selective switch at the originating end, realizing wavelength division assignment, wherein each first output port in a wavelength selective switch at the originating end
- the quantities of light waves of the ports are consistent, so that the light wave output power of each first output port is consistent.
- the light wave format of the light wave is set to C-band, and each wave is configured with a width of 50 GHz.
- the above step S120 may include the following steps S410 to S420.
- a 20-dimensional wavelength selective switch networking each wavelength selective switch is fully configured, can support up to 21 directions, a total of 420 D ports and the same number of A ports, the maximum can support 420 sets of optical fiber connections, according to the above numbers, the device can encode the first output port in octal, the code length is 4 bits, then the total number of assignment rounds of light waves is 4 times, that is, each round assigns light waves to the receiving end in each second input port of the wavelength selective switch.
- the above step S420 may include the following steps S510 to S520.
- Step S510 acquiring symbols in the first encoded value, and obtaining a first attenuation value of the first output port according to the symbols.
- the multiple can be larger to reduce the error of power scanning in the wavelength selective switch at the receiving end.
- the multiple assigns the light wave based on 2dB attenuation to an A port of the wavelength selection switch at the receiving end.
- the power scanning is performed on the second output port of the receiving end wavelength selective switch to obtain the power value of the second output port, and the first input port can be adjusted according to the total assignment round Perform a power scan to obtain the power value of each round of the first input port assigned to the round scan.
- the first output port assigns the light wave attenuated based on the first attenuation value to the attenuated light wave in the ROADM station in each round.
- the device performs a round of power scanning on the receiving end wavelength selection switch in the ROADM station to obtain the power value under the assigned round, and the next round of light waves arrives.
- the receiving end wavelength selection After switching, the device performs another round of power scanning on the receiving end wavelength selective switch in the ROADM station to obtain the power value under the assigned round, realizing multiple rounds of power scanning.
- obtaining the second attenuation value corresponding to the second input port according to the power value may include the following steps, including assigning the second output port to the power obtained by each round of scanning value and the power value obtained by the first round of assigned scanning of the second output port respectively, to obtain the second attenuation value corresponding to the second input port.
- the additional attenuation is set to 0, that is, the first round of WDM assignments does not have additional attenuation, and the power values obtained by scanning the second output and output ports for each round of assignment are respectively compared with the first round of the second output port.
- the power values obtained by round assignment scanning are subjected to difference processing, and a sequence of additional attenuation under multiple rounds can be obtained, so as to correspond to symbols, that is, to correspond to the first coded value of the first output port.
- a second input port of a wavelength selective switch at the receiving end when the total assignment round is 4, the fourth output power (dBm) of the second output port of the wavelength selective switch at the receiving end is -6.99, -8.87, -11.12, -13.03, after making the difference, 0, 1.88, 4.13, 6.04 are obtained, and the sequence of additional attenuation under multiple rounds can be obtained.
- the additional attenuation corresponding to the symbol can also be other ratios, and then the data processing related to the ratio can be performed corresponding to the sequence after the difference, and the value related to the first code value can also be obtained.
- the sequence of additional attenuation under multiple rounds is not specifically limited in this application.
- obtaining the second encoding value according to the second attenuation value may include the following steps, including performing rounding encoding according to the second attenuation value to obtain the second encoding value, after rounding
- the second coded value after coding can be intuitively linked to the first coded value.
- a second input port of a receiving-end wavelength selective switch is The fourth output power (dBm) of the second output port of the wavelength selective switch at the receiving end is -6.99, -8.87, -11.12, -13.03.
- the additional attenuation corresponding to the symbol can also be other ratios, and then the data processing related to the ratio can be performed corresponding to the sequence after the difference, and the value related to the first code value can also be obtained.
- the second encoding value is not specifically limited in the present application.
- the above step S140 may include at least one of the following steps S610 and S620:
- Step S610 when the first coded value is the same as the second coded value, determine that the matching relationship between the first output port and the second input port is matched.
- Step S620 when the first encoded value does not match the second encoded value, it is determined that the matching relationship between the first output port and the second input port is not matched.
- the device determines the matching connection relationship between the optical fibers according to the obtained second code value, and when the first code value is the same as the second code value, it is determined that the first output port is connected to the second input port
- the matching relation of the ports is matched, for example, if the second coding value is 0123, then 0123 also exists in the first coding value, then the first output port and the second input port are in a connection relationship.
- the matching relationship between the first output port and the second input port is a mismatch, for example, when the second coded value is 0123, there is no 0123 in the first coded value If the first output port and the first coded value also have a second input port that is not matched to the corresponding first output port, then there is an optical fiber connection error between these two ports.
- the device after the device obtains the optical fiber matching and connection relationship between the ports in the ROADM station, it reports the matching result, prompting the operation and maintenance personnel to check the optical fiber in a targeted manner, so as to achieve rapid and efficient OTN network deployment.
- the automatic automatic discovery mechanism of fiber connection relationship provides support for network management and control.
- the second optical amplifier OBA connected to the output port is set to a closed state to prevent strong light from entering other modules and causing device damage.
- the transmit wavelength selection switches in the 4 directions are all configured in the C-band state, and each wave is configured with a width of 50 GHz. , Wave 7, and 8 are assigned to port D2, ports 9, 10, 11, and 12 are assigned to port D3, and waves 13-80 are set to block status.
- each port is configured with 4 light waves, so that the wavelength selective switch at the receiving end can measure the power value of the second output port.
- other numbers of light waves can also be configured. This application does not specifically limit it.
- WSS#10, WSS#20, WSS#30 and WSS#40 represent 4
- Table 2 For the wavelength selective switch at the sending end in the uplink and downlink directions, the encoding rules of each first output port are shown in Table 2:
- the first round of symbols at the first output port are all 0, and the additional attenuation is set to 0.
- the second round of power scanning to find out the additional attenuation corresponding to the second round of coding of each first output port, and set the corresponding additional attenuation value for this port.
- the overall code is 011
- the second round symbol is 1.
- the corresponding additional attenuation value is found to be 2dB, and will be assigned to the 1st- 2dB additional attenuation is set for 4 waves.
- the corresponding first-round power measured by each second output port is sequentially subtracted from the first, second, and third-round power values to obtain the power difference, which is the second attenuation value, use the rounding method to obtain the corresponding additional attenuation value, compare Table 1 to obtain the corresponding second code value, and find the corresponding D port based on the second code value, the results are shown in Table 4:
- Step S710 configuration initialization.
- Step S720 wavelength allocation.
- Step S730 encoding the wavelength selection switch at the transmitting end.
- Step S740 whether there are remaining rounds.
- Step S750 transmit end attenuation configuration.
- Step S760 whether there are remaining receiving ports.
- Step S770 receiving end attenuation configuration.
- Step S780 power scanning and recording.
- Table 5 another embodiment power recording result table
- the corresponding first-round power measured by each second output port is sequentially subtracted from the first, second, and third-round power values to obtain the power difference, which is the second attenuation Value, use the rounding method to obtain the corresponding additional attenuation value, compare Table 1 to obtain the corresponding second code value, based on the second code value, find the corresponding D port, the result is the same as Table 4 in the above embodiment, and the output is the same
- the power value of the first round of A1 of WSS#21 exceeds the normal range, that is, it is less than the detection threshold of the wavelength selection switch.
- the optical fiber is falsely inserted and needs to be adjusted.
- the range in which the power exceeds is determined according to the specific lower limit power of the wavelength selective switch, which is not specifically limited in this application.
- a ROADM composed of 4 uplink and downlink directions, that is, 4 wavelength selective switches at the transmitting end and 4 wavelength selective switches at the receiving end, according to the above quantity
- the device can encode the first output port in octal, and the code length is 3 bits, then the total number of assignment rounds of the light wave is 3 times, and the attenuation corresponding to the symbol is shown in Table 1.
- the second optical amplifier OBA connected to the output port is set to a closed state to prevent strong light from entering other modules and causing device damage.
- the transmit wavelength selection switches in the 4 directions are all configured in the C-band state, and each wave is configured with a width of 50 GHz. , Wave 7, and 8 are assigned to port D2, ports 9, 10, 11, and 12 are assigned to port D3, and waves 13-80 are set to block status.
- Table 6 another embodiment power recording result table
- the corresponding first-round power measured by each second output port is sequentially subtracted from the first, second, and third-round power values to obtain the power difference, which is the second attenuation value, use the rounding method to obtain the corresponding additional attenuation value, compare Table 1 to obtain the corresponding second code value, based on the second code value, find the corresponding D port, and remove A1 of WSS#11 and A1 of WSS#21 , D1 of WSS#10, and D1 of WSS#20 have no corresponding results, and the rest of the results are the same as Table 4 of the above-mentioned embodiment. There are errors in the fiber connections of the four ports A1, A1 of WSS#21, D1 of WSS#10, and D1 of WSS#20, and adjustments are required.
- FIG. 12 shows an apparatus for determining a port matching relationship provided by an embodiment of the present application.
- the device 100 includes: a memory 102, a processor 101, and a computer program stored in the memory 102 and operable on the processor 101.
- the computer program is running, the computer program is used to execute the above-mentioned method for determining the port matching relationship.
- the processor 101 and the memory 102 may be connected through a bus or in other ways.
- the memory 102 can be used to store non-transitory software programs and non-transitory computer-executable programs, such as the method for determining the port matching relationship described in the embodiment of the present application.
- the processor 101 executes the non-transitory software programs and instructions stored in the memory 102 to implement the above method for determining the port matching relationship.
- the memory 102 may include a program storage area and a data storage area, wherein the program storage area may store an operating system and an application program required by at least one function; the data storage area may store the method for determining the port matching relationship described above.
- the memory 102 may include a high-speed random access memory 102, and may also include a non-transitory memory 102, such as at least one storage device, a flash memory device or other non-transitory solid-state storage devices.
- the memory 102 may include memory 102 located remotely relative to the processor 101 , and these remote memories 102 may be connected to the apparatus 100 through a network. Examples of the aforementioned networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
- the non-transitory software programs and instructions required to realize the above-mentioned method for determining the port matching relationship are stored in the memory 102, and when executed by one or more processors 101, the above-mentioned method for determining the port matching relationship is executed, for example, executing Method step 110 to step 140 among Fig. 2, method step 210 to step 220 among Fig. 3, method step step 310 to step 320 among Fig. 5, method step step 410 to step 420 among Fig. 6, Fig. 7 Method steps Step 510 to Step 520, method steps Step 610 to Step 620 in FIG. 8 , method steps Step 710 to Step 790 in FIG. 11 .
- the embodiment of the present application also provides a computer-readable storage medium storing computer-executable instructions, and the computer-executable instructions are used to execute the above-mentioned method for determining a port matching relationship.
- the embodiment of the present application at least includes the following beneficial effects: the embodiment of the present application encodes the first output port of the transmitting wavelength selective switch in the ROADM station to obtain the first encoding value of the first output port, and the first encoding value can be obtained from the first encoding value.
- Computer storage media including, but not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disk (DVD) or other optical disk storage, magnetic cartridges, magnetic tape, storage device storage or other magnetic storage devices, or Any other medium that can be used to store desired information and that can be accessed by a computer.
- communication media typically embody computer readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave or other transport mechanism, and may include any information delivery media .
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Abstract
Description
码元 | 附加衰减/dB |
0 | 0 |
1 | 2 |
2 | 4 |
3 | 6 |
4 | 8 |
5 | 10 |
6 | 12 |
7 | 14 |
Claims (12)
- 端口匹配关系的确定方法,包括:获取发端波长选择开关的第一输出端口的第一编码值;根据所述第一编码值得到所述第一输出端口的第一衰减值,将基于所述第一衰减值衰减的光波指派至收端波长选择开关的第二输入端口;对所述收端波长选择开关的第二输出端口进行功率扫描,得到所述第二输出端口的功率值,根据所述功率值得到所述第二输入端口对应的第二衰减值,根据所述第二衰减值得到第二编码值;根据所述第一编码值与所述第二编码值确定所述第一输出端口与所述第二输入端口的匹配关系。
- 根据权利要求1所述的端口匹配关系的确定方法,其中,所述获取发端波长选择开关的第一输出端口的第一编码值之前,还包括:断开所述发端波长选择开关的第一输入端口的光纤连接,设置与所述发端波长选择开关连接的第一光放大器为噪声自发辐射模式,以使所述第一光放大器产生宽谱光源;关闭与所述收端波长选择开关的第二输出端口连接的第二光放大器。
- 根据权利要求1所述的端口匹配关系的确定方法,其中,所述获取发端波长选择开关的第一输出端口的第一编码值之前,还包括:获取所述发端波长选择开关内所述光波的光波格式和光波数量;根据所述光波格式以及所述光波数量依次将所述光波指派到各个所述第一输出端口,其中,各个所述第一输出端口的所述光波的数量一致。
- 根据权利要求1所述的端口匹配关系的确定方法,其中,所述第一编码值根据以下步骤得到:根据所述第一输出端口、所述发端波长选择开关和所述收端波长选择开关的数量对所述第一输出端口进行编码,得到所述第一输出端口的所述第一编码值;其中,不同的所述第一输出端口对应不同的所述第一编码值。
- 根据权利要求1所述的端口匹配关系的确定方法,其中,所述根据所述第一编码值得到所述第一输出端口的第一衰减值,将基于所述第一衰减值衰减的光波指派至收端波长选择开关的第二输入端口,包括:获取所述第一编码值的码长,根据所述码长得到光波的总指派轮次;根据所述第一编码值得到所述第一输出端口的第一衰减值,根据所述总指派轮次将基于所述第一衰减值衰减的所述光波指派至所述收端波长选择开关的所述第二输入端口。
- 根据权利要求5所述的端口匹配关系的确定方法,其中,所述根据所述第一编码值得到所述第一输出端口的第一衰减值,根据所述总指派轮次将基于所述第一衰减值衰减的所述光波指派至所述收端波长选择开关的所述第二输入端口,包括:获取所述第一编码值中的码元,根据所述码元得到所述第一输出端口的第一衰减值;获取光波的当前指派轮次,根据所述当前指派轮次从所述码元中确定目标码元,将基于所述目标码元对应的所述第一衰减值衰减的所述光波指派至所述收端波长选择开关的所述第二输入端口。
- 根据权利要求5所述的端口匹配关系的确定方法,其中,所述对所述收端波长选择开关的第二输出端口进行功率扫描,得到所述第二输出端口的功率值,包括:根据所述总指派轮次对所述第二输出端口进行功率扫描,得到所述第二输出端口每轮指派轮次扫描的所述功率值。
- 根据权利要求7所述的端口匹配关系的确定方法,其中,所述根据所述功率值得到所述第二输入端口对应的第二衰减值,包括:将所述第二输出端口每轮指派轮次扫描得到的所述功率值分别与所述第二输出端口第一轮指派扫描得到的所述功率值进行做差处理,得到所述第二输入端口对应的第二衰减值。
- 根据权利要求1或8所述的端口匹配关系的确定方法,其中,所述根据所述第二衰减值得到第二编码值,包括:根据所述第二衰减值进行取整编码得到所述第二编码值。
- 根据权利要求1所述的端口匹配关系的确定方法,其中,所述根据所述第一编码值与所述第二编码值确定所述第一输出端口与所述第二输入端口的匹配关系,包括以下至少之一:当所述第一编码值与所述第二编码值相同,确定所述第一输出端口与所述第二输入端口的匹配关系为相匹配;或当所述第一编码值与所述第二编码值不匹配,确定所述第一输出端口与所述第二输入端口的匹配关系为不匹配。
- 端口匹配关系的确定装置,包括存储器、处理器,所述存储器存储有计算机程序,所述处理器执行所述计算机程序时实现如权利要求1至10中任意一项所述的端口匹配关系的确定方法。
- 计算机可读存储介质,所述存储介质存储有程序,所述程序被处理器执行实现如权利要求1至10中任意一项所述的端口匹配关系的确定方法。
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CN102684784A (zh) * | 2012-05-30 | 2012-09-19 | 华为技术有限公司 | 跳纤连接检测方法和跳纤连接检测装置 |
US20130243373A1 (en) * | 2012-03-15 | 2013-09-19 | Fujitsu Limited | Optical cross-connect apparatus |
CN103368643A (zh) * | 2012-04-01 | 2013-10-23 | 华为技术有限公司 | 光纤链路检测方法、系统和装置 |
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CN110736609A (zh) * | 2019-10-24 | 2020-01-31 | 云南电网有限责任公司昆明供电局 | 一种基于自动匹配的光口功率测试方法 |
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US20130243373A1 (en) * | 2012-03-15 | 2013-09-19 | Fujitsu Limited | Optical cross-connect apparatus |
CN103368643A (zh) * | 2012-04-01 | 2013-10-23 | 华为技术有限公司 | 光纤链路检测方法、系统和装置 |
CN102684784A (zh) * | 2012-05-30 | 2012-09-19 | 华为技术有限公司 | 跳纤连接检测方法和跳纤连接检测装置 |
CN109088777A (zh) * | 2018-09-14 | 2018-12-25 | 武汉光迅科技股份有限公司 | 一种roadm业务侧光纤连接的匹配装置和方法 |
CN110736609A (zh) * | 2019-10-24 | 2020-01-31 | 云南电网有限责任公司昆明供电局 | 一种基于自动匹配的光口功率测试方法 |
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