CN103004108A - Optical power detection method, apparatus, equipment and optical module - Google Patents
Optical power detection method, apparatus, equipment and optical module Download PDFInfo
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- CN103004108A CN103004108A CN201280001479XA CN201280001479A CN103004108A CN 103004108 A CN103004108 A CN 103004108A CN 201280001479X A CN201280001479X A CN 201280001479XA CN 201280001479 A CN201280001479 A CN 201280001479A CN 103004108 A CN103004108 A CN 103004108A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- 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
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
- H04B10/0775—Performance monitoring and measurement of transmission parameters
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Abstract
The invention discloses an optical power detecting method, apparatus, device and an optical module, and belongs to the field of communication network. The method comprises the following steps: receiving a detection signal; the detection signal processing, deriving a specified detection signal and the detection signal for a designated time window; according to the specified detection signals, and the optical module of the receiving optical power is detected. In the invention, the received signal is sent by the detecting device, according to the detection signal without directly controlling the receiving optical power detection, but on the detection signals for processing, has been specified detection signal, so that the optical module in the receiving optical power is detected, a detection signal trigger, the specific detection to the end of the time specified by the detection signal to define a window, so that the optical module receiving optical power detection is not influenced by the receiver uplink burst size of data packets., reducing detection error, improves the precision of the detection.
Description
Technical field
The present invention relates to communication network field, particularly a kind of luminous power detection method, device, equipment and optical module.
Background technology
In practical service environment, with receiving unit and the transmitting portion of opto-electronic conversion and possess certain monitoring capacity department and independently become a module, make pluggable component application in PON (passive opticalnetwork, EPON) the OLT(optical line terminal of system, optical line terminal) and ONU(optical network unit, optical network unit) in the equipment, claim that this part is optical module, in the use procedure of optical module, as interrupting because the optical module infringement causes system business, in the situation that not power down of system, with the optical module of infringement with the replacement of normal optical module after, optical module recovers normal operation, and the original system business will be recovered communication within the very short time, greatly reduces the maintenance cost of system.
Along with EPON(ethernet passive optical network, EPON based on the Ethernet mode) and GPON(gigabit passive optical network, gigabit passive optical network) expanded range of system's use, in order to reduce the operation and maintenance cost, requirement to self measuring ability of optical module is more and more higher, and this self measuring ability comprises received optical power detection etc. at least.In the prior art, especially in the GPON system, the general current mirror sensed scheme that adopts, referring to Fig. 1, Fig. 1 is testing circuit schematic diagram of the prior art, in Fig. 1, the electronic switch that is connected with operational amplifier is controlled the operation of testing circuit according to the detection signal that equipment issues, and this detection signal is relevant with the uplink burst data that optical module receives, and owing to the time interval between the uplink burst data is very short, and long data packet is also different in size, the window of electronic switch is uncertain, cause optical module to the detection error of received optical power approach+/-3dB, even surpass+/-3dB, detect error larger, accuracy of detection is not enough.
Summary of the invention
In order to solve the problem of prior art, the embodiment of the invention provides a kind of luminous power detection method, device, equipment and optical module.Described technical scheme is as follows:
On the one hand, a kind of luminous power detection method, described method comprises:
Receive detection signal;
Described detection signal is processed, obtained specifying detection signal, the window of described appointment detection signal is for specifying duration;
According to described appointment detection signal, the received optical power of optical module is detected.
Described detection signal is processed, obtained specifying detection signal, the window of described appointment detection signal comprises for specifying duration:
Use the micro-control unit MCU of optical module that described detection signal is converted to the appointment detection signal, the window of described appointment detection signal is for specifying duration;
Or,
Use has the circuit of time-delay intercepting function, and detection signal is specified in intercepting from described detection signal, and the window of described appointment detection signal is for specifying duration.
According to described appointment detection signal, the received optical power of optical module is detected, comprising:
Respond described appointment detection signal, in the window of described appointment detection signal, the control optical module carries out received optical power and detects.
On the other hand, a kind of optical power detection apparatus comprises:
Receiver module is used for receiving detection signal;
Processing module is used for described detection signal is processed, and obtains specifying detection signal, and the window of described appointment detection signal is for specifying duration;
Detection module is used for according to described appointment detection signal, and the received optical power of optical module is detected.
Described processing module specifically is used for using the micro-control unit MCU of optical module that described detection signal is converted to the appointment detection signal, and the window of described appointment detection signal is for specifying duration;
Or,
Described processing module specifically is used for using the circuit with time-delay intercepting function, and detection signal is specified in intercepting from described detection signal, and the window of described appointment detection signal is for specifying duration.
Described detection module is used for responding described appointment detection signal, and in the window of described appointment detection signal, the control optical module carries out received optical power and detects.
Another aspect, a kind of luminous power checkout equipment comprises: optical-electrical converter, receiver, processor and testing circuit, described receiver and the coupling of described processor, described optical-electrical converter and the coupling of described testing circuit,
Optical-electrical converter is used for the light signal that receives is carried out opto-electronic conversion, output electrical signals;
Receiver is used for receiving detection signal;
Described processor is used for described detection signal is processed, and obtains specifying detection signal, and the window of described appointment detection signal is for specifying duration;
Described testing circuit is used for the signal of telecommunication according to described appointment detection signal and the output of described optical-electrical converter, and the received optical power of optical module is detected.
Described processor is the micro-control unit of optical module, or described processor is time-delay intercepting circuit.
Described testing circuit comprises the electronic switch for the work of control testing circuit, and described processor and the coupling of described electronic switch;
Described electronic switch responds described appointment detection signal, and in the window of described appointment detection signal, the control optical module carries out received optical power and detects.
A kind of optical module, described optical module comprises: transceiver is used for receiving optical signals, output electrical signals; Described transceiver also is used for sending the signal of telecommunication; Described optical module comprises aforesaid luminous power checkout equipment.
A kind of luminous power detection method, device, equipment and optical module that the embodiment of the invention provides are by receiving detection signal; Described detection signal is processed, obtained specifying detection signal, the window of described appointment detection signal is for specifying duration; According to described appointment detection signal, carry out received optical power and detect.Adopt technical scheme of the present invention, when the detection signal that the equipment of receiving issues, directly not controlling received optical power according to this detection signal detects, but this detection signal is processed, obtain specifying detection signal, so that optical module is when carrying out the received optical power detection, can be triggered by detection signal, but its concrete concluding time of detecting is limited by the window of specifying detection signal, so that the received optical power of optical module detects the impact that is not subjected to receiver uplink burst data bag length, reduce the detection error, improved the precision that detects.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is testing circuit schematic diagram of the prior art;
Fig. 2 is the flow chart of a kind of luminous power detection method of providing of the embodiment of the invention;
Fig. 3 a is the flow chart of a kind of luminous power detection method of providing of the embodiment of the invention;
A kind of luminous power testing circuit schematic diagram that Fig. 3 b provides for the embodiment of the invention;
Fig. 3 c is the signal schematic representation that the embodiment of the invention provides;
Fig. 4 a is the flow chart of a kind of luminous power detection method of providing of the embodiment of the invention;
A kind of luminous power testing circuit schematic diagram that Fig. 4 b provides for the embodiment of the invention;
Fig. 4 c is the signal schematic representation that the embodiment of the invention provides;
Fig. 5 is the structural representation of a kind of optical power detection apparatus of providing of the embodiment of the invention;
Fig. 6 is the structural representation of a kind of luminous power checkout equipment of providing of the embodiment of the invention;
Fig. 7 is the structural representation of a kind of optical module of providing of the embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Fig. 2 is the flow chart of a kind of luminous power detection method of providing of the embodiment of the invention.The executive agent of this embodiment is optical power detection apparatus, and referring to Fig. 2, this embodiment comprises:
201, receive detection signal;
In the present embodiment, optical module is a kind of pluggable equipment, and this pluggable equipment is positioned at receiver side, and this detection signal can issue sense command when needs detect the luminous intensity of uplink burst signal, triggers OLT equipment and issues detection signal.
Particularly, this detection signal is the curtage signal.
202, described detection signal is processed, obtained specifying detection signal, the window of described appointment detection signal is for specifying duration;
In embodiments of the present invention, to specifying detection signal to limit, its window is for specifying duration, and this appointment duration is required to arrange according to receiver performance or accuracy of detection by the technical staff, preferably, the length of this appointment duration packet that may receive less than receiver.
203, according to described appointment detection signal, the received optical power of optical module is detected.
In the present embodiment, the test of the received optical power of optical module is triggered by the appointment detection signal, and continues in the window of specifying detection signal, when specifying the window duration arrival of detection signal, finishes received optical power and detects.
A kind of luminous power detection method that the embodiment of the invention provides is by receiving detection signal; Described detection signal is processed, obtained specifying detection signal, the window of described appointment detection signal is for specifying duration; According to described appointment detection signal, the received optical power of optical module is detected.Adopt technical scheme of the present invention, when the detection signal that the equipment of receiving issues, directly not controlling received optical power according to this detection signal detects, but this detection signal is processed, obtained specifying detection signal, so that optical module is when carrying out the received optical power detection, can be triggered by detection signal, but its concrete concluding time of detecting is limited by the window of specifying detection signal, so that the received optical power of optical module detects the impact that is not subjected to receiver uplink burst data bag size, reduce the detection error, improved the precision that detects.
Alternatively, on the basis of technical scheme embodiment illustrated in fig. 2, described step 202 " described detection signal is processed, obtained specifying detection signal, the window of described appointment detection signal is for specifying duration " comprises (1) or (2):
(1) the MCU(Micro Control Unit of use optical module, micro-control unit) described detection signal is converted to the appointment detection signal, the window of described appointment detection signal is for specifying duration;
Those skilled in the art can know, optical module comprises MCU, and this MCU is used for the monitoring management of module by signal information.
And in the present embodiment, optical module is when receiving detection signal, detection signal is inputed to MCU, receive this detection signal and work as MCU, utilize the function switching signal of MCU, detection signal is converted to the appointment detection signal, that is to say that the rising edge of appointment detection signal is by the rising edge triggering of detection signal, the rising edge of this appointment detection signal and the rising edge of detection signal are put at one time, and should specify the trailing edge of detection signal and the window between the rising edge to be the appointment duration, this specifies duration less than the rising edge of detection signal and the window between the trailing edge.
A kind of luminous power detection method that the embodiment of the invention provides is by receiving detection signal; Use the MCU(Micro Control Unit of optical module, micro-control unit) described detection signal is converted to the appointment detection signal, the window of described appointment detection signal is for specifying duration; According to described appointment detection signal, the received optical power of optical module is detected.Adopt technical scheme of the present invention, when the detection signal that the equipment of receiving issues, directly not controlling received optical power according to this detection signal detects, but this detection signal is processed, obtain specifying detection signal, so that optical module is when carrying out the received optical power detection, can be triggered by detection signal, but its concrete concluding time of detecting is limited by the window of specifying detection signal, so that the received optical power of optical module detects the impact that is not subjected to receiver uplink burst data bag length, reduce the detection error, improved the precision that detects.
(2) use the circuit with time-delay intercepting function, detection signal is specified in intercepting from described detection signal, and the window of described appointment detection signal is for specifying duration.
In the present embodiment, increased a circuit with time-delay intercepting function in the optical module newly, and when receiving detection signal, detection signal is inputed to the circuit that this has time-delay intercepting function, receive this detection signal and work as the circuit with time-delay intercepting function, detection signal is intercepted, obtain specifying detection signal, that is to say that the rising edge of appointment detection signal is by the rising edge triggering of detection signal, the rising edge of this appointment detection signal and the rising edge of detection signal are put at one time, and should specify the trailing edge of detection signal and the window between the rising edge to be the appointment duration, this specifies duration less than the rising edge of detection signal and the window between the trailing edge.
Those skilled in the art can know, this concrete formation with circuit of time-delay intercepting function can have multiple, does not do in the present embodiment and gives unnecessary details.
A kind of received optical power detection method for optical module that the embodiment of the invention provides is by receiving detection signal; Use has the circuit of time-delay intercepting function, and detection signal is specified in intercepting from described detection signal, and the window of described appointment detection signal is for specifying duration; According to described appointment detection signal, the received optical power of optical module is detected.Adopt technical scheme of the present invention, when the detection signal that the equipment of receiving issues, directly not controlling received optical power according to this detection signal detects, but this detection signal is processed, obtain specifying detection signal, so that optical module is when carrying out the received optical power detection, can be triggered by detection signal, but its concrete concluding time of detecting is limited by the window of specifying detection signal, so that the received optical power of optical module detects the impact that is not subjected to receiver uplink burst data bag length, reduce the detection error, improved the precision that detects.
Alternatively, on the basis of technical scheme embodiment illustrated in fig. 2, described step 203 " according to described appointment detection signal; the received optical power to optical module detects ", specifically comprise: respond described appointment detection signal, in the window of described appointment detection signal, the control optical module carries out received optical power and detects.
When getting access to the appointment detection signal, optical module begins to carry out received optical power at the rising edge of specifying detection signal and detects, and finishes the received optical power detection at the trailing edge of specifying detection signal.
Fig. 3 a is the flow chart of a kind of luminous power detection method of providing of the embodiment of the invention.Referring to Fig. 3 a, this embodiment describes in detail the received optical power detection method that is arranged at the optical module in the OLT equipment in conjunction with embodiment illustrated in fig. 2, and referring to Fig. 3 a, the method specifically comprises:
301, ONU equipment sends light signal according to the indication of OLT equipment in the ascending time slot that distributes;
302, OLT equipment is in the ascending time slot of this ONU, to the optical module output detection signal of OLT equipment;
In the prior art, this detection signal is used to indicate the optical module unlatching received optical power detection RSSI function of OLT equipment;
303, optical module inputs to detection signal the MCU of optical module;
304, MCU is converted to the appointment detection signal with described detection signal, is used for the electronic switch that the control received optical power detects in the optical module with specifying detection signal to export to, and the window of described appointment detection signal is for specifying duration;
305, the electronic switch that detects for the control received optical power in the optical module responds the rising edge of this appointment detection signal, the circuit that conducting also keeps received optical power to detect;
306, duration T1 is specified in the MCU time-delay, when arriving appointment duration T1, produces the trailing edge of specifying detection signal;
307, the electronic switch that detects for the control received optical power in the optical module responds the trailing edge of this appointment detection signal, closes the circuit that received optical power detects;
308, sampling hold circuit obtains the RSSI data to the digital quantity that the analog quantity that obtains of sampling between the received optical power detection period converts to, it is kept in the corresponding storage area, in order to reading;
309, the RSSI data of OLT equipment reading and saving obtain the received optical power of optical module.
For this embodiment, its circuit structure can be referring to Fig. 3 b, a kind of received optical power testing circuit schematic diagram that this Fig. 3 b provides for the embodiment of the invention.In Fig. 3 b, this received optical power testing circuit comprises optical-electrical converter, current mirror, operational amplifier (among the figure referred to as amplifier), electronic switch, maintenance electric capacity, MCU and analog to digital converter.Wherein, current mirror has two output channels, is respectively main channel and subchannel, this main channel output current to optical-electrical converter (such as the avalanche photodide) provider of optical module to working bias voltage, this subchannel is sent into the received optical power checkout equipment, is used for monitor current intensity.MCU receives the detection signal that OLT issues, and detection signal is changed, and obtains specifying detection signal.Referring to Fig. 3 c, this Fig. 3 c is the signal schematic representation that the embodiment of the invention provides.Input optical signal refers to the light signal that OLT receives, and the OLT receiver side signal of telecommunication refers to the resulting signal of telecommunication of light signal process opto-electronic conversion that OLT receives, this OLT receiver side signal of telecommunication detection trigger signal, the window of detection signal is shown in upper the 3rd row's of Fig. 3 c histogram, upper the 4th row's of Fig. 3 c histogram then is to process the appointment detection signal that obtains through MCU, specify the rising edge of detection signal at this, electronic switch responds this appointment detection signal and conducting luminous power testing circuit, so that this luminous power testing circuit detects, and when this specifies the trailing edge of detection signal, this electronic switch cuts out and disconnects the luminous power testing circuit, so that this luminous power testing circuit detection of end.And the feedback of last row among Fig. 3 c refers to that this optical module reports the timeliness that detects the RSSI data that obtain to equipment, because the detection of received optical power need be carried out analog-to-digital conversion and preservation, then needs to carry out certain time-delay to reporting, then at T
pAfter time, the RSSI data of this optical module reading and saving, and the RSSI data are reported OLT equipment.
A kind of luminous power detection method that the embodiment of the invention provides is by receiving detection signal; Use the MCU(Micro Control Unit of optical module, micro-control unit) described detection signal is converted to the appointment detection signal, the window of described appointment detection signal is for specifying duration; According to described appointment detection signal, the received optical power of optical module is detected.Adopt technical scheme of the present invention, when the detection signal that the equipment of receiving issues, directly not controlling received optical power according to this detection signal detects, but this detection signal is processed, obtain specifying detection signal, so that optical module is when carrying out the received optical power detection, can be triggered by detection signal, but its concrete concluding time of detecting is limited by the window of specifying detection signal, so that the received optical power of optical module detects the impact that is not subjected to receiver uplink burst data bag length, reduce the detection error, improved the precision that detects.
Fig. 4 a is the flow chart of a kind of luminous power detection method of providing of the embodiment of the invention.Referring to Fig. 4 a, this embodiment describes in detail the received optical power detection method that is arranged at the optical module in the OLT equipment in conjunction with embodiment illustrated in fig. 2, and referring to Fig. 4 a, the method specifically comprises:
401, ONU equipment sends light signal according to the indication of OLT equipment in the ascending time slot that distributes;
402, OLT equipment is in the ascending time slot of this ONU, to the optical module output detection signal of OLT equipment;
In the prior art, this detection signal is used to indicate the optical module unlatching received optical power detection RSSI function of OLT equipment.
403, optical module inputs to detection signal the time-delay cut off circuit of optical module;
404, start the circuit with time-delay intercepting function, produce the rising edge of specifying detection signal, the window of described appointment detection signal is for specifying duration;
405, the electronic switch that detects for the control received optical power in the optical module responds the rising edge of this appointment detection signal, the circuit that conducting also keeps received optical power to detect;
406, the circuit delay that has time-delay intercepting function is specified duration T1, when arriving appointment duration T1, produces the trailing edge of specifying detection signal;
407, the electronic switch that detects for the control received optical power in the optical module responds the trailing edge of this appointment detection signal, closes the circuit that received optical power detects;
408, sampling hold circuit obtains the RSSI data to the digital quantity that the analog quantity that obtains of sampling between the received optical power detection period converts to, it is kept in the corresponding storage area, in order to reading;
409, the RSSI data of OLT equipment reading and saving obtain the received optical power of optical module.
For this embodiment, its circuit structure can be referring to Fig. 4 b, a kind of received optical power testing circuit schematic diagram that this Fig. 4 b provides for the embodiment of the invention.In Fig. 4 b, this received optical power testing circuit comprises optical-electrical converter, current mirror, operational amplifier, electronic switch, maintenance electric capacity, time-delay cut off circuit and analog to digital converter.MCU receives the detection signal that OLT issues, and detection signal is changed, and obtains specifying detection signal.Referring to Fig. 4 c, this Fig. 4 c is the signal schematic representation that the embodiment of the invention provides.Input optical signal refers to the light signal that OLT receives, and the OLT receiver side signal of telecommunication refers to the resulting signal of telecommunication of light signal process opto-electronic conversion that OLT receives, this OLT receiver side signal of telecommunication detection trigger signal, the window of detection signal is shown in upper the 3rd row's of Fig. 4 c histogram, upper the 4th row's of Fig. 4 c histogram then is to delay time and block the appointment detection signal that obtains through the time-delay cut off circuit, specify the rising edge of detection signal at this, electronic switch responds this appointment detection signal and conducting luminous power testing circuit, so that this luminous power testing circuit detects, and when this specifies the trailing edge of detection signal, this electronic switch cuts out and disconnects the luminous power testing circuit, so that this luminous power testing circuit detection of end.And the feedback of last row among Fig. 4 c refers to that this optical module reports the timeliness that detects the RSSI data that obtain to equipment, because the detection of received optical power need be carried out analog-to-digital conversion and preservation, then needs to carry out certain time-delay to reporting, then at T
pAfter time, the RSSI data of this optical module reading and saving, and the RSSI data are reported OLT equipment.
A kind of received optical power detection method for optical module that the embodiment of the invention provides is by receiving detection signal; Use has the circuit of time-delay intercepting function, and detection signal is specified in intercepting from described detection signal, and the window of described appointment detection signal is for specifying duration; According to described appointment detection signal, the received optical power of optical module is detected.Adopt technical scheme of the present invention, when the detection signal that the equipment of receiving issues, directly not controlling received optical power according to this detection signal detects, but this detection signal is processed, obtained specifying detection signal, so that optical module is when carrying out the received optical power detection, can be triggered by detection signal, but its concrete concluding time of detecting is limited by the window of specifying detection signal, so that the received optical power of optical module detects the impact that is not subjected to receiver uplink burst data bag size, reduce the detection error, improved the precision that detects.
Fig. 5 is the structural representation of a kind of optical power detection apparatus of providing of the embodiment of the invention.Referring to Fig. 5, this device comprises: receiver module 51, processing module 52 and detection module 53,
This detection signal can issue sense command when needs detect the luminous intensity of uplink burst signal, trigger OLT equipment and issue detection signal.
Particularly, this detection signal is the curtage signal.
In embodiments of the present invention, to specifying detection signal to limit, its window is for specifying duration, and this appointment duration is required to arrange according to receiver performance or accuracy of detection by the technical staff, preferably, the length of this appointment duration packet that may receive less than receiver.
In the present embodiment, the detection of detection module 53 is triggered by the appointment detection signal, and continues in the window of specifying detection signal, when specifying the window duration arrival of detection signal, finishes received optical power and detects.
Alternatively, the described processing module 52 concrete micro-control unit MCU that are used for the use optical module are converted to the appointment detection signal with described detection signal, and the window of described appointment detection signal is for specifying duration; Those skilled in the art can know, optical module comprises MCU, and this MCU is used for the monitoring management of module by signal information.And in the present embodiment, processing module 52 is when receiving detection signal, detection signal is inputed to MCU, receive this detection signal and work as MCU, utilize the function switching signal of MCU, detection signal is converted to the appointment detection signal, that is to say that the rising edge of appointment detection signal is by the rising edge triggering of detection signal, the rising edge of this appointment detection signal and the rising edge of detection signal are put at one time, and should specify the trailing edge of detection signal and the window between the rising edge to be the appointment duration, this specifies duration less than the rising edge of detection signal and the window between the trailing edge.
Or, the described processing module 52 concrete circuit that have time-delay intercepting function for use, detection signal is specified in intercepting from described detection signal, and the window of described appointment detection signal is the appointment duration.In the present embodiment, increased a circuit with time-delay intercepting function in the optical module newly, and when processing module 52 receives detection signal, detection signal is inputed to the circuit that this has time-delay intercepting function, receive this detection signal and work as the circuit with time-delay intercepting function, detection signal is intercepted, obtain specifying detection signal, that is to say that the rising edge of appointment detection signal is by the rising edge triggering of detection signal, the rising edge of this appointment detection signal and the rising edge of detection signal are put at one time, and should specify the trailing edge of detection signal and the window between the rising edge to be the appointment duration, this specifies duration less than the rising edge of detection signal and the window between the trailing edge.
Alternatively, described detection module 53 is used for responding described appointment detection signal, and in the window of described appointment detection signal, the control optical module carries out received optical power and detects.When getting access to the appointment detection signal, detection module 53 begins to carry out received optical power at the rising edge of specifying detection signal and detects, and finishes the received optical power detection at the trailing edge of specifying detection signal.
Need to prove: the optical power detection apparatus that above-described embodiment provides is when received optical power detects, only the division with above-mentioned each functional module is illustrated, in the practical application, can as required the above-mentioned functions distribution be finished by different functional modules, the internal structure of the equipment of being about to is divided into different functional modules, to finish all or part of function described above.In addition, the received optical power checkout gear that above-described embodiment provides and received optical power detection method embodiment belong to same design, and its specific implementation process sees embodiment of the method for details, repeats no more here.
The all or part of step that one of ordinary skill in the art will appreciate that realization above-described embodiment can be finished by hardware, also can come the relevant hardware of instruction to finish by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
A kind of optical power detection apparatus that the embodiment of the invention provides is by receiving detection signal; Use has the circuit of time-delay intercepting function, and detection signal is specified in intercepting from described detection signal, and the window of described appointment detection signal is for specifying duration; According to described appointment detection signal, the received optical power of optical module is detected.Adopt technical scheme of the present invention, when the detection signal that the equipment of receiving issues, directly not controlling received optical power according to this detection signal detects, but this detection signal is processed, obtained specifying detection signal, so that optical module is when carrying out the received optical power detection, can be triggered by detection signal, but its concrete concluding time of detecting is limited by the window of specifying detection signal, so that the received optical power of optical module detects the impact that is not subjected to receiver uplink burst data bag size, reduce the detection error, improved the precision that detects.
Fig. 6 is the structural representation of a kind of luminous power checkout equipment of providing of the embodiment of the invention.Referring to Fig. 6, this equipment comprises: optical-electrical converter 60, receiver 61, processor 62 and testing circuit 63, and described receiver 61 and 62 couplings of described processor, described optical- electrical converter 60 and 63 couplings of described testing circuit,
Optical-electrical converter 60 is used for the light signal that receives is carried out opto-electronic conversion, output electrical signals;
Described processor 62 is used for described detection signal is processed, and obtains specifying detection signal, and the window of described appointment detection signal is for specifying duration; In embodiments of the present invention, to specifying detection signal to limit, its window is for specifying duration, and this appointment duration is required to arrange according to receiver performance or accuracy of detection by the technical staff, preferably, the length of this appointment duration packet that may receive less than receiver.
This testing circuit 63 is used for the signal of telecommunication according to described appointment detection signal and 60 outputs of described optical-electrical converter, and the received optical power of optical module is detected.
In the present embodiment, the detection of testing circuit 63 is triggered by the appointment detection signal, and continues in the window of specifying detection signal, when specifying the window duration arrival of detection signal, finishes received optical power and detects.
Described processor 62 is the micro-control unit of optical module, or described processor is time-delay intercepting circuit.
Those skilled in the art can know, optical module comprises MCU, and this MCU is used for the monitoring management of module by signal information.And in the present embodiment, processor 62 is when receiving detection signal, detection signal is inputed to MCU, receive this detection signal and work as MCU, utilize the function switching signal of MCU, detection signal is converted to the appointment detection signal, that is to say that the rising edge of appointment detection signal is by the rising edge triggering of detection signal, the rising edge of this appointment detection signal and the rising edge of detection signal are put at one time, and should specify the trailing edge of detection signal and the window between the rising edge to be the appointment duration, this specifies duration less than the rising edge of detection signal and the window between the trailing edge.
In the present embodiment, increased a circuit with time-delay intercepting function in the optical module newly, and when processor 62 receives detection signal, detection signal is inputed to the circuit that this has time-delay intercepting function, receive this detection signal and work as the circuit with time-delay intercepting function, detection signal is intercepted, obtain specifying detection signal, that is to say that the rising edge of appointment detection signal is by the rising edge triggering of detection signal, the rising edge of this appointment detection signal and the rising edge of detection signal are put at one time, and should specify the trailing edge of detection signal and the window between the rising edge to be the appointment duration, this specifies duration less than the rising edge of detection signal and the window between the trailing edge.
Described testing circuit 63 comprises the electronic switch for the work of control testing circuit, and described processor and the coupling of described electronic switch; Described electronic switch responds described appointment detection signal, and in the window of described appointment detection signal, the control optical module carries out received optical power and detects.When getting access to the appointment detection signal, electronic switch responds this appointment detection signal to carry out conducting and blocks, so that testing circuit 63 conducting and carry out received optical power and detect when the rising edge of specifying detection signal begins, close and finish received optical power and detect at the trailing edge of specifying detection signal.
A kind of luminous power checkout equipment that the embodiment of the invention provides is by receiving detection signal; Use has the circuit of time-delay intercepting function, and detection signal is specified in intercepting from described detection signal, and the window of described appointment detection signal is for specifying duration; According to described appointment detection signal, the received optical power of optical module is detected.Adopt technical scheme of the present invention, when the detection signal that the equipment of receiving issues, directly not controlling received optical power according to this detection signal detects, but this detection signal is processed, obtained specifying detection signal, so that optical module is when carrying out the received optical power detection, can be triggered by detection signal, but its concrete concluding time of detecting is limited by the window of specifying detection signal, so that the received optical power of optical module detects the impact that is not subjected to receiver uplink burst data bag size, reduce the detection error, improved the precision that detects.
Fig. 7 is the structural representation of a kind of optical module of providing of the embodiment of the invention.Referring to Fig. 7, described optical module comprises: transceiver 71 is used for receiving optical signals, output electrical signals; It is characterized in that, described optical module comprises above-mentioned luminous power checkout equipment 72.
A kind of optical module that the embodiment of the invention provides is by receiving detection signal; Use has the circuit of time-delay intercepting function, and detection signal is specified in intercepting from described detection signal, and the window of described appointment detection signal is for specifying duration; According to described appointment detection signal, the received optical power of optical module is detected.Adopt technical scheme of the present invention, when the detection signal that the equipment of receiving issues, directly not controlling received optical power according to this detection signal detects, but this detection signal is processed, obtained specifying detection signal, so that optical module is when carrying out the received optical power detection, can be triggered by detection signal, but its concrete concluding time of detecting is limited by the window of specifying detection signal, so that the received optical power of optical module detects the impact that is not subjected to receiver uplink burst data bag size, reduce the detection error, improved the precision that detects.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a luminous power detection method is characterized in that, described method comprises:
Receive detection signal;
Described detection signal is processed, obtained specifying detection signal, the window of described appointment detection signal is for specifying duration;
According to described appointment detection signal, the received optical power of optical module is detected.
2. method according to claim 1 is characterized in that, described described detection signal is processed, and obtains specifying detection signal, and the window of described appointment detection signal comprises for specifying duration:
Use the micro-control unit MCU of optical module that described detection signal is converted to the appointment detection signal, the window of described appointment detection signal is for specifying duration.
3. method according to claim 1 is characterized in that, described described detection signal is processed, and obtains specifying detection signal, and the window of described appointment detection signal comprises for specifying duration:
Use has the circuit of time-delay intercepting function, and detection signal is specified in intercepting from described detection signal, and the window of described appointment detection signal is for specifying duration.
4. each described method in 3 according to claim 1 is characterized in that, according to described appointment detection signal, the received optical power of optical module is detected, and comprising:
Respond described appointment detection signal, in the window of described appointment detection signal, the control optical module carries out received optical power and detects.
5. an optical power detection apparatus is characterized in that, comprising:
Receiver module is used for receiving detection signal;
Processing module is used for described detection signal is processed, and obtains specifying detection signal, and the window of described appointment detection signal is for specifying duration;
Detection module is used for according to described appointment detection signal, and the received optical power of optical module is detected.
6. device according to claim 5 is characterized in that, described processing module specifically is used for using the micro-control unit MCU of optical module that described detection signal is converted to the appointment detection signal, and the window of described appointment detection signal is for specifying duration.
7. device according to claim 5 is characterized in that, described processing module specifically is used for using the circuit with time-delay intercepting function, and detection signal is specified in intercepting from described detection signal, and the window of described appointment detection signal is for specifying duration.
8. each described device in 7 according to claim 5 is characterized in that, described detection module is used for responding described appointment detection signal, and in the window of described appointment detection signal, the control optical module carries out received optical power and detects.
9. a luminous power checkout equipment is characterized in that, comprising: optical-electrical converter, receiver, processor and testing circuit, and described receiver and the coupling of described processor, described optical-electrical converter and the coupling of described testing circuit,
Optical-electrical converter is used for the light signal that receives is carried out opto-electronic conversion, output electrical signals;
Receiver is used for receiving detection signal;
Described processor is used for described detection signal is processed, and obtains specifying detection signal, and the window of described appointment detection signal is for specifying duration;
Described testing circuit is used for the signal of telecommunication according to described appointment detection signal and the output of described optical-electrical converter, and the received optical power of optical module is detected.
10. equipment according to claim 9 is characterized in that, described processor is the micro-control unit of optical module.
11. equipment according to claim 9 is characterized in that, described processor is time-delay intercepting circuit.
12. each described equipment in 11 is characterized in that according to claim 9, described testing circuit comprises the electronic switch for the work of control testing circuit, and described processor is coupled with described electronic switch;
Described electronic switch responds described appointment detection signal, and in the window of described appointment detection signal, the control optical module carries out received optical power and detects.
13. an optical module, described optical module comprises: transceiver is used for receiving optical signals, output electrical signals; It is characterized in that, described optical module comprises each described luminous power checkout equipment of the claims 9-12.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/081333 WO2014040255A1 (en) | 2012-09-13 | 2012-09-13 | Optical power detection method, apparatus and device, and optical module |
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| CN103004108A true CN103004108A (en) | 2013-03-27 |
| CN103004108B CN103004108B (en) | 2015-12-09 |
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| CN201280001479.XA Expired - Fee Related CN103004108B (en) | 2012-09-13 | 2012-09-13 | Luminous power detection method, device, equipment and optical module |
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| CN (1) | CN103004108B (en) |
| WO (1) | WO2014040255A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015100520A1 (en) * | 2013-12-30 | 2015-07-09 | 华为技术有限公司 | Uplink optical signal power detecting method, device, optical line terminal and optical network system |
| CN108173593A (en) * | 2017-12-30 | 2018-06-15 | 武汉凌科通光电科技有限公司 | Photoelectric converter integrated testing method and system |
| CN108183745A (en) * | 2017-12-30 | 2018-06-19 | 武汉凌科通光电科技有限公司 | Photoelectric converter series-operation detection method and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1226147A (en) * | 1996-10-30 | 1999-08-18 | 福托金公司 | Method for inproving selectivity in photo-activation and detection of molecular diagnosis agents |
| CN1658305A (en) * | 2004-02-19 | 2005-08-24 | 联发科技股份有限公司 | Signal processing method and apparatus for high speed optical storage device |
| CN102427388A (en) * | 2011-12-08 | 2012-04-25 | 深圳市共进电子股份有限公司 | Reset current compensation type sudden receiving optical power monitor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5169522B2 (en) * | 2008-06-19 | 2013-03-27 | 住友電気工業株式会社 | Burst signal receiving apparatus and receiving method, and PON system using the receiving apparatus |
| CN101594184B (en) * | 2009-06-11 | 2012-04-11 | 青岛海信宽带多媒体技术有限公司 | Optical line terminal |
| CN102025417A (en) * | 2009-09-21 | 2011-04-20 | 华为技术有限公司 | Optical power detection method, equipment and system for passive optical network |
| CN102130720B (en) * | 2010-12-03 | 2014-11-05 | 华为技术有限公司 | Method and device for detecting optical power of passive optical network (PON) and PON system |
-
2012
- 2012-09-13 WO PCT/CN2012/081333 patent/WO2014040255A1/en active Application Filing
- 2012-09-13 CN CN201280001479.XA patent/CN103004108B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1226147A (en) * | 1996-10-30 | 1999-08-18 | 福托金公司 | Method for inproving selectivity in photo-activation and detection of molecular diagnosis agents |
| CN1658305A (en) * | 2004-02-19 | 2005-08-24 | 联发科技股份有限公司 | Signal processing method and apparatus for high speed optical storage device |
| CN102427388A (en) * | 2011-12-08 | 2012-04-25 | 深圳市共进电子股份有限公司 | Reset current compensation type sudden receiving optical power monitor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015100520A1 (en) * | 2013-12-30 | 2015-07-09 | 华为技术有限公司 | Uplink optical signal power detecting method, device, optical line terminal and optical network system |
| CN104981990A (en) * | 2013-12-30 | 2015-10-14 | 华为技术有限公司 | Uplink optical signal power detecting method, device, optical line terminal and optical network system |
| EP3065312A4 (en) * | 2013-12-30 | 2016-12-21 | Huawei Tech Co Ltd | Uplink optical signal power detecting method, device, optical line terminal and optical network system |
| US9866317B2 (en) | 2013-12-30 | 2018-01-09 | Huawei Technologies Co., Ltd | Method and apparatus for detecting power of uplink optical signal, optical line terminal, and optical network system |
| CN104981990B (en) * | 2013-12-30 | 2018-06-05 | 华为技术有限公司 | Detect method, apparatus, optical line terminal and the optical network system of the power of uplink optical signal |
| CN108173593A (en) * | 2017-12-30 | 2018-06-15 | 武汉凌科通光电科技有限公司 | Photoelectric converter integrated testing method and system |
| CN108183745A (en) * | 2017-12-30 | 2018-06-19 | 武汉凌科通光电科技有限公司 | Photoelectric converter series-operation detection method and system |
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| WO2014040255A1 (en) | 2014-03-20 |
| CN103004108B (en) | 2015-12-09 |
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