WO2015192467A1 - 光电接收、发射方法、装置,光电收发方法、模块、设备 - Google Patents

光电接收、发射方法、装置,光电收发方法、模块、设备 Download PDF

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Publication number
WO2015192467A1
WO2015192467A1 PCT/CN2014/084943 CN2014084943W WO2015192467A1 WO 2015192467 A1 WO2015192467 A1 WO 2015192467A1 CN 2014084943 W CN2014084943 W CN 2014084943W WO 2015192467 A1 WO2015192467 A1 WO 2015192467A1
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WIPO (PCT)
Prior art keywords
optical
channel
serial
signals
signal
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PCT/CN2014/084943
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English (en)
French (fr)
Inventor
印永嘉
李明生
袁立权
朱松林
马壮
郭勇
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ZTE Corp
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ZTE Corp
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Priority to US15/319,685 priority Critical patent/US20170142502A1/en
Priority to EP14895101.5A priority patent/EP3148099A4/en
Publication of WO2015192467A1 publication Critical patent/WO2015192467A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005Switch and router aspects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50Transmitters
    • H04B10/501Structural aspects
    • H04B10/506Multiwavelength transmitters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27Arrangements for networking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/40Transceivers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0227Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0254Optical medium access
    • H04J14/0256Optical medium access at the optical channel layer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/24Multipath
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062Network aspects
    • H04Q11/0066Provisions for optical burst or packet networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062Network aspects
    • H04Q11/0071Provisions for the electrical-optical layer interface
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005Switch and router aspects
    • H04Q2011/0007Construction
    • H04Q2011/0015Construction using splitting combining
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062Network aspects
    • H04Q2011/0088Signalling aspects

Definitions

  • the present invention relates to the field of optical communication technologies, and in particular, to a photoelectric receiving and transmitting method, a device, an optical transmitting and receiving method, a module, and a device.
  • a single-channel optical transceiver module is used for data transmission and reception.
  • the single-channel optical transceiver module is externally connected with a single optical interface and a single electrical interface for data transmission and reception.
  • single-channel optical transceiver modules with a single optical interface and a single electrical interface can no longer meet the actual needs.
  • the commonly used technology is to stack multiple single-channel optical transceiver modules for large-capacity data transmission and reception.
  • the stacking technology causes the number of physical electrical interfaces and optical interfaces of the system to be too large, which makes it difficult to insert and remove physical interfaces of the system. Therefore, based on the above problems, how to reduce the number of physical interfaces of the photoelectric transceiver module is a technical problem that needs to be solved urgently.
  • the present invention provides an optoelectronic receiving and transmitting method, a device, an optoelectronic transmitting and receiving method, a module, and a device, to at least solve the problem that the physical interface in the related art optical transceiver system is not simplified and the interface is difficult to be inserted and removed.
  • the present application provides an optoelectronic receiving method, including: receiving an optical signal transmitted by an optical interface, and dividing the optical signal into multiple optical signals; processing the multiple optical signals into Multiple parallel electrical signals; convert the multiple parallel electrical signals into a serial electrical signal and transmit it to an electrical interface.
  • the method of splitting the received optical signal into multiple optical signals comprises: dividing the received optical signal according to the wavelength of the optical signal and/or the allocated power. Multiple optical signals.
  • the process of processing the multiplexed optical signal into multiple parallel electrical signals comprises: processing the multiplexed optical signals into electrical signals of multiple parallel data frame structures
  • the data frame structure includes data for receiving a frame header and a receiving channel.
  • the process of converting the multiple parallel electrical signals into one serial electrical signal is: acquiring multiple parallels according to the received frame header in the multiple parallel data frame structure.
  • the serial data frame structure includes a serial receiving frame header and at least one receiving channel data .
  • the data of the frame header or the receiving channel of the data frame structure further includes channel working information; the channel working information includes channel working mode information, channel signal modulation format information, channel data transmission rate information, and channel. At least one of working wavelength information and working channel number information.
  • the present application provides a photoelectric receiving module, including an optical branching processing unit, an optoelectronic processing unit, and a parallel-serial conversion unit; the optical branching processing unit is configured to split the optical signal transmitted by the optical interface.
  • the optoelectronic processing unit is configured to process the received multiplexed optical signal into multiple parallel electrical signals and transmit the same to the parallel a parallel conversion unit;
  • the parallel-to-serial conversion unit is configured to convert the received multiple parallel electrical signals into one serial electrical signal and transmit the same to an electrical interface.
  • the optical branching processing unit splits the received optical signal into multiple optical signals, including: receiving the received optical signal according to the wavelength of the optical signal and/or the allocated power. Divided into multiple optical signals.
  • the present application provides an electro-optical transmission method, including: receiving a serial serial electrical signal transmitted by an electrical interface, and converting the serial serial electrical signal into multiple parallel electrical signals. Processing the multiplexed parallel electrical signals into multiplexed optical signals; combining the multiplexed optical signals into a single optical signal, and transmitting the optical signals to the optical interface.
  • the one-line serial electrical signal is a data frame structure, and the data frame structure includes data of a serial transmit frame header and at least one transmit channel;
  • the process of converting the serial serial electrical signals into multiple parallel electrical signals comprises: acquiring data of a transmitting channel according to a serial transmitting frame header in a serial data frame structure; the acquired transmitting channel
  • the data processing is a multi-parallel data frame structure, and the data frame structure includes a transmission frame header and a transmission channel data.
  • the data of the serial transmission frame header or the transmission channel of the data frame structure further includes channel operation information; the channel operation information includes channel operation mode information, channel signal modulation format information, and channel data.
  • the present invention provides an electro-optical transmitting module, including a serial-to-parallel conversion unit, an electro-optical processing unit, and an optical multiplexing processing unit.
  • the serial-to-parallel conversion unit is configured to transmit an electrical interface to a serial serial transmission.
  • the electro-optical processing unit After converting the electrical signal into multiple parallel electrical signals, and transmitting the multiple parallel electrical signals to the electro-optic processing unit; the electro-optical processing unit is configured to process the received multiple parallel electrical signals into multiple The optical signal of the road is transmitted to the optical multiplexing processing unit; the optical combining processing unit is configured to combine the received optical signals into a single optical signal, and the optical signal is combined Launched to the optical interface.
  • the manner in which the optical combining path processing unit combines the multiple optical signals into one optical signal includes: according to the wavelength of the multiple optical signals and/or the allocated power The multiple optical signals are combined into one optical signal.
  • the present application provides a multi-channel optical transceiver method, including: in a receiving direction: receiving an optical signal transmitted by an optical interface, and splitting the optical signal into multiple optical signals; The optical signal of the road is processed into multiple parallel electrical signals; the multiple parallel electrical signals are converted into one serial electrical signal, and the one serial electrical signals are transmitted to the electrical interface; In the transmitting direction: receiving a serial serial electrical signal transmitted by the electrical interface, converting the serial serial electrical signal into multiple parallel electrical signals; processing the multiple parallel electrical signals into multiple paths Optical signal; combines the multiple optical signals into one optical signal, and transmits the optical signal to an optical interface.
  • the present application provides a multi-channel optical transceiver module, including: an optical path dividing processing unit, a photoelectric channel processing unit, and a serial/parallel conversion unit; in a receiving direction: the optical path dividing processing unit is configured to The optical signal received from the optical interface is split into multiple optical signals, and the multiple optical signals are transmitted to the optical channel processing unit; the photoelectric channel processing unit is configured to receive the multiple channels The optical signal is processed into a plurality of parallel electrical signals, and the multiple parallel electrical signals are transmitted to a serial/parallel conversion unit; the serial/parallel conversion unit is configured to convert the multiple parallel electrical signals into one way a serial electrical signal, and transmitting the serial serial electrical signal to the electrical interface; in the transmitting direction: the serial/parallel converting unit is configured to receive a serial serial electrical signal to be transmitted from the electrical interface Converting into multiple parallel electrical signals, and transmitting the multiple parallel electrical signals to the photoelectric channel processing unit; the photoelectric channel processing unit is configured to receive the plurality of
  • the optical path dividing processing unit branches the optical signal received from the optical interface into multiple optical signals according to the wavelength of the optical signal and/or the allocated power; in the transmitting direction: The optical path dividing processing unit combines the multiplexed optical signals into one optical signal according to the wavelength of the optical signal and/or the allocated power.
  • the photoelectric channel processing unit processes the received multiple optical signals into multiple parallel electrical signals, including: processing the multiple optical signals into multiple An electrical signal of a parallel data frame structure, the data frame structure comprising data for receiving a frame header and a receiving channel; the serial/parallel conversion unit converting the plurality of parallel electrical signals into a serial serial electrical signal
  • the process is: acquiring data of the multiple parallel receiving channels according to the receiving frame header in the multi-parallel data frame structure; processing the acquired data of the multiple parallel receiving channels into a serial data frame structure
  • the data frame structure includes data of a serial receiving frame header and at least one receiving channel; in a transmitting direction: the one serial serial electrical signal is a data frame structure, and the data frame structure includes a serial transmitting frame header and at least one Data of the transmission channel; the serial/parallel conversion unit converts a serial serial electrical signal received from the electrical interface into a process packet of multiple parallel electrical signals Obtaining data of the transmitting channel according to the serial transmitting frame header in a
  • the data of the frame header or the receiving channel of the data frame structure further includes channel working information; the channel working information includes channel working mode information, channel signal modulation format information, and channel data transmission. At least one of rate information, channel working wavelength information, and working channel number information; in the transmitting direction: the data frame structure of the frame header or the transmitting channel data further includes channel working information; the channel working information includes channel working mode information At least one of channel signal modulation format information, channel data transmission rate information, channel operating wavelength information, and working channel number information.
  • an optoelectronic transceiver device including: at least two multi-channel optoelectronic transceiver modules and an optical path splitting processor; the optical path splitting processor is configured to split the received optical signal into Multiple optical signals, and distributing the multiple optical signals to at least two multi-channel optical transceiver modules; in the receiving direction, the multi-channel optical transceiver module is configured to perform multi-channel splitting on the received optical signals deal with; In the transmitting direction, the multi-channel photoelectric transceiver module is configured to perform multi-channel combining processing on the received electrical signals.
  • the invention has the following advantages: The invention provides a photoelectric receiving, transmitting method, device, photoelectric transmitting and receiving method, module and device, and solves the problem that the physical interface in the photoelectric transmitting and receiving system is not simplified and the interface is difficult to be inserted and removed.
  • a multi-channel optical transceiver processing method including in a receiving direction: splitting a received optical signal into multiple optical signals, and processing the multiple optical signals into multiple parallel electrical signals, and then Converting multiple parallel electrical signals into one serial electrical signal; in the transmitting direction: converting a received serial electrical signal that needs to be transmitted into multiple parallel electrical signals, and then multiplexing the multiple parallel electrical signals The signal is processed into a plurality of optical signals, and finally the multi-channel optical signals are combined into one optical signal.
  • the present application adopts a multi-channel processing technology to process the received photoelectric signals, thereby avoiding the optical network system caused by the stacking technology when the capacity of the optical network is large in the prior art.
  • FIG. 1 is a flow chart of a method for receiving an optoelectronic device according to a first embodiment of the present invention
  • FIG. 2 is a flow chart of an electro-optical transmitting method according to a first embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of the channel operation information of the first embodiment of the present invention when the channel operation information is included in the frame header portion of the data frame
  • FIG. 5 is a schematic diagram of the channel operation information provided by the first embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a photoelectric receiving module according to a second embodiment of the present invention;
  • FIG. 1 is a flow chart of a method for receiving an optoelectronic device according to a first embodiment of the present invention
  • FIG. 2 is a flow chart of an electro-optical transmitting method according to a first embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of the channel operation information of the first embodiment of the present invention when the channel operation information is included in the frame header portion
  • FIG. 7 is a schematic structural diagram of an electro-optical transmitting module according to a second embodiment of the present invention
  • FIG. 9 is a schematic structural diagram of a multi-channel optical transceiver module according to a fourth embodiment of the present invention
  • FIG. 10 is a schematic diagram of a multi-channel optical transceiver module provided in a fourth embodiment of the present invention
  • FIG. 11 is a schematic structural diagram of an optical transceiver device according to a fifth embodiment of the present invention.
  • a multi-channel processing mode is adopted, in the receiving direction: the received optical signal is split into multiple optical signals, and the multiple optical signals are processed into multiple parallel electrical signals, and finally Converting the plurality of parallel electrical signals into one serial electrical signal and transmitting the one serial electrical signal to the electrical interface.
  • the received optical signal is shunted as
  • the process of multiplexing multiple optical signals includes: dividing the received optical signal into multiple optical signals according to the wavelength of the optical signal and/or the allocated power; and converting one serial electrical signal that needs to be transmitted into multiple in the transmitting direction
  • the parallel parallel electrical signal is then processed into a multi-path optical signal, and finally the multi-path optical signal is combined into an optical signal, and the optical signal is transmitted to the optical interface.
  • the multi-channel processing technology in this embodiment avoids the problem that the optical network system has a large number of physical interfaces and difficulty in interface insertion and removal caused by the stacking technology when the capacity of the optical network is large.
  • Step 101 Receive an optical signal transmitted by an optical interface, and split the optical signal into multiple optical signals; Step 102: Multiplexing The optical signal is processed into multiple parallel electrical signals; Step 103: Convert the multiple parallel electrical signals into one serial electrical signal, and transmit the one serial electrical signal to the electrical interface.
  • the transmitted optical signal is received from the optical interface, where the optical interface is preferably, but not limited to, an optical interface, and after receiving the optical signal transmitted by the optical interface, receiving the optical signal.
  • the incoming optical signal is shunted into multiple optical signals.
  • the method of splitting the received optical signal into multiple optical signals includes: dividing the received optical signal into multiple optical signals according to the wavelength of the optical signal and/or the allocated power.
  • the branching process of the optical signal is preferably, but not limited to, according to the wavelength of the optical signal and/or the allocated power, and may further include an attribute such as the intensity of the optical signal, and specifically may be an optical signal of the same wavelength.
  • the specific shunt is set according to the user's needs, no more than this. Narration.
  • the process of processing the multiplexed optical signals into multiple parallel electrical signals includes: processing the multiplexed optical signals into electrical signals of multiple parallel data frame structures (hereinafter referred to as multiple paths) Parallel data frame structure), the data frame structure includes data for receiving a frame header and a receiving channel.
  • the process of converting the multiple parallel electrical signals into one serial electrical signal is: acquiring the data of the receiving channel according to the receiving frame header in the multi-parallel data frame structure;
  • the data processing of the receiving channel is an electrical signal of a serial data frame structure (hereinafter referred to as a serial data frame structure); the serial data frame structure includes a serial receiving frame header and at least one receiving channel data.
  • the specific process of converting the multi-parallel electrical signals into a serial data frame structure is preferably: acquiring the data of the receiving channel according to the frame header in the multi-parallel data frame structure, which will be obtained.
  • the data of the receiving channel is preferably serially sorted according to the position (channel order) of the data, or the data content to form a serial data column.
  • the serial data column can also be randomly formed.
  • a new serial data frame header is formed, and the serial data column is formed as a data portion in the serial data frame structure and a new serial data frame header is added to form a serial data frame structure.
  • the data frame structure includes: a multi-parallel data frame structure.
  • a data frame structure in a parallel data frame structure in multiple paths is selected as an example, and the data frame structure includes Receiving data of the frame header and the receiving channel, in this embodiment, the data frame structure of each channel is preferably the same; a serial data frame structure, the one-way serial data frame structure includes multiple parallel data frame structures In the present embodiment, the number of channels of a serial data frame structure is determined by a multi-parallel data frame structure. For example, when there are three parallel data frame structures, the converted one-way string In addition to the newly generated serial frame header, the data frame structure of the line includes data of three serial receiving channels. To further illustrate the format of the data frame structure in this embodiment, referring to FIG. 3a and FIG. 3c in FIG.
  • the serial received data frame structure and the parallel received data frame structure respectively provided in this embodiment are shown in FIG. 3c.
  • Structure Description; The specific process of converting the parallel data frame structure in Fig. 3c into the serial data frame structure in Fig. 3a is performed according to the serial-to-parallel conversion technique of the data frame structure.
  • the data frame structure further includes channel working information, where the channel working information includes channel working mode information, channel signal modulation format information, channel data transmission rate information, channel working wavelength information, and working channel number information.
  • the channel operation information content is not limited to the above mentioned ones, and may be flexibly adjusted.
  • the specific adjustment manner may be adjusted by using a control command input by an external interface. You can also adjust the channel work information by setting adjustment rules or commands in the system. Of course, it can also be adjusted by hardware or by software.
  • the content of the channel operation information and the specific adjustment manner are not strictly limited. The channel operation information content and the adjustment manner that can be conceived in the present application are all within the scope of the claimed application.
  • the channel operation information is located in the header portion of the data frame structure or the channel data portion of the electrical signal.
  • the frame header portion of the data frame structure includes channel operation information.
  • data synchronization information and associated protocol information are further included;
  • Figures 5a and 5c in Fig. 5 show the channel data information written in the channel data portion of the data frame structure.
  • the optical signal receiving method provided in this embodiment can process the optical signal transmitted by the optical interface by using a multi-channel processing method to avoid the use of the stacked data processing technology when the optical signal capacity is large. The physical interface is not a streamlined issue.
  • a method for electro-optic emission is also provided. Referring to FIG.
  • the method includes: Step 201: Receiving a serial serial electrical signal transmitted by an electrical interface, and transmitting the serial Converting the electrical signal into multiple parallel electrical signals; Step 202: Processing the multiple parallel electrical signals into multiple optical signals; Step 203: Combining the multiple optical signals into one optical signal, and A beam of light is emitted to the optical interface.
  • the receiving electrical interface transmits a serial serial electrical signal that needs to be transmitted, wherein the electrical interface of the serial electrical signal that needs to be transmitted is preferably but not limited to one; in this embodiment Receiving a serial electrical signal that needs to be transmitted is a data frame structure (hereinafter referred to as a serial data frame structure), and the serial data frame structure includes data of a serial transmission frame header and at least one transmission channel.
  • a serial data frame structure hereinafter referred to as a serial data frame structure
  • the serial transmission frame header in the serial data frame structure the data of the transmission channel is acquired, and according to the channel sequence of the transmission channel or the data content in the channel, the data frame structure is divided into multiple parallel data frames for processing.
  • the data frame structure is divided into multiple parallel data frames for processing.
  • FIG. 3b and FIG. 3d respectively provide a format and parallel transmission of a serial transmission data frame structure.
  • FIG. 3d includes a multi-channel parallel transmit data frame structure.
  • FIG. 3d only selects one of the transmit data frame structures for data frame structure description.
  • the data frame structure further includes channel working information, where the channel working information includes at least channel working mode information, channel signal modulation format information, channel data transmission rate information, channel working wavelength information, and working channel number information.
  • the channel work information content is not limited to the above mentioned ones, and may also be flexibly adjusted.
  • the specific adjustment manner may be adjusted by using a control command input by an external interface, or Set the adjustment rules or commands in the system to adjust the channel work information. Of course, it can also be adjusted by hardware or by software.
  • the content of the channel working information and the specific adjustment manner are not strictly limited.
  • the channel working information content and the adjustment manner that can be conceived in the present application are all within the scope of the claimed application.
  • the channel operation information is located in the frame header portion or the channel data portion in the data frame structure.
  • FIG. 4b and FIG. 4d in FIG. 4 and FIG. 5b and FIG. 5d in FIG. 5; 4b and 4d in FIG. 4 show that the channel operation information is written in the header portion of the data frame structure.
  • the frame header portion of the data frame structure further includes channel operation information.
  • step 202 the multiplexed parallel electrical signals are processed into multiplexed optical signals by techniques such as electro-optical conversion, and according to channel operational information carried in the data frame structure.
  • step 203 the multiple optical signals are combined into one optical signal, and the optical signal is transmitted to the optical interface.
  • the converted multiple optical signals are combined into Preferably, but not limited to, the manner of the optical signal combines the multiple optical signals into one optical signal that needs to be transmitted according to the wavelength of the multiple optical signals and/or the allocated power, and combines the combined light The signal is transmitted through the optical interface.
  • an optical signal receiving method and an electro-optical signal transmitting method are respectively provided.
  • the two methods can be used at the same time, the transmitted photoelectric signal can be split and multi-channel processed. The processing is performed to avoid the problem that the physical interface caused by the stacked data processing technology is not simplified when the optical signal capacity is large.
  • Embodiment 2 Referring to FIG.
  • the module includes: an optical branching processing unit 601, an optoelectronic processing unit 602, and a parallel-serial conversion unit 603;
  • the optical branching processing unit 601 is configured to The optical signal transmitted by the optical interface is split into multiple optical signals and transmitted to the photoelectric processing module;
  • the photoelectric processing unit 602 is configured to process the received multiple optical signals into multiple parallel electrical signals, and And transmitting it to the parallel-to-serial conversion module;
  • the parallel-serial conversion unit 603 is configured to convert the received multiple parallel electrical signals into one serial electrical signal and transmit it to the electrical interface.
  • it is preferably, but not limited to, from one optical interface and one electrical interface.
  • the optical branching processing unit 601 is preferably, but not limited to, based on the allocated power and/or wavelength of the optical signal (may also be based on attributes such as the strength of the optical signal)
  • the optical signal is split, and the specific optical branching processing unit 601 divides the optical signal into multiple optical signals; the multiplexed optical signals can be processed simultaneously.
  • the optoelectronic processing unit 602 includes a photoelectric conversion function, which can process multiple optical signals into multiple parallel electrical signals, and the multiple parallel electrical signals are data frame structures; specifically, multiple paths are used.
  • the channel working information is added in the data frame structure, and the working information of the channel includes the channel working mode information, the channel signal modulation format information, the channel data transmission rate information, and the channel working wavelength information. And at least one of the working channel quantity information.
  • the channel working information content is not limited to the above mentioned ones, and may also be flexibly adjusted, and the specific adjusting manner may be input through an external interface.
  • the control commands are adjusted. You can also set adjustment rules or commands in the system to adjust the channel work information. Of course, it can also be adjusted by hardware or by software. In this embodiment, the content of the channel operation information and the specific adjustment manner are not strictly limited.
  • FIG. 7 is a schematic structural diagram of an electro-optical transmitting module provided by this embodiment.
  • the device includes: a serial-to-parallel converting unit 701, an electro-optical processing unit 702, and an optical combining processing unit 703;
  • the serial to parallel conversion unit 701 is configured to receive a serial serial electrical signal that needs to be transmitted by the electrical interface, and convert the serial serial electrical signal into multiple parallel electrical signals. In this embodiment, the receiving needs to be transmitted.
  • the serial serial electrical signal is a data frame structure (hereinafter referred to as a serial data frame structure), the data frame structure includes data of a serial transmission frame header and at least one transmission channel; the serial to parallel conversion unit 701 is preferably based on one path
  • the sequence of the channels in the serial data frame structure or the data content is divided into multiple parallel data frame structures.
  • the serial data frame structure is divided into multiple parallel data.
  • the manner of the frame structure is not limited to the channel processing of the serial data frame structure according to the channel order or the data content.
  • the electro-optical processing unit 702 processes the multi-parallel data frame structure into multiple optical signals by techniques such as electro-optical conversion and according to channel operation information carried in the data frame structure.
  • the method of combining the converted multiple optical signals into optical signals is preferably, but not limited to, combining multiple optical signals according to the wavelengths of the multiple optical signals and/or the allocated power.
  • a combined beam of light signals is transmitted through the optical interface.
  • FIG. 8 is a flowchart of a multi-channel optical transceiver system according to the embodiment. The method includes: a receiving direction and a transmitting direction.
  • the receiving direction includes: Step 801: Receive an optical signal, and split the optical signal into multiple The optical signal of the road; Step 802: processing the multiple optical signals into multiple parallel electrical signals; Step 803: Converting the multiple parallel electrical signals into one serial electrical signal, and connecting the serial electrical signals The signal is transmitted to the electrical interface.
  • the transmitting direction includes: Step 804: receiving a serial serial electrical signal that needs to be transmitted, converting the serial serial electrical signal into multiple parallel electrical signals; Step 805: processing the multiple parallel electrical signals into multiple paths Step 806: Combining the multiple optical signals into one optical signal, and transmitting the optical signal to the optical interface.
  • the method of collecting the optical signal and splitting the optical signal into multiple optical signals comprises: dividing the received optical signal into multiple channels according to the wavelength of the optical signal and/or the allocated power.
  • the optical signal can also be shunted according to other properties of the optical signal, for example, depending on the intensity of the optical signal.
  • the multiplexed optical signals are processed, and specifically, the multiplexed optical signals are processed into multiplexed parallel electrical signals.
  • the multiplexed parallel electrical signals are electrical signal data frame structures (hereinafter referred to as multiplexed data frame structures), and the multiplexed parallel data frame structure includes data for receiving frame headers and receiving channels.
  • the channel working information is added in the multi-parallel data frame structure, and the channel working information includes the channel working mode information and the channel signal modulation. At least one of the format information, the channel data transmission rate information, the channel working wavelength information, and the working channel number information.
  • the channel working information content is not limited to the above mentioned ones, and is also flexible.
  • the adjustment can be made by adjusting the control command input through the external interface, or by setting an adjustment rule or command in the system to adjust the channel work information. Of course, it can also be adjusted by hardware or by software.
  • the process of converting the multiple parallel electrical signals into one serial electrical signal and transmitting the one serial electrical signal to the optical interface comprises: according to the frames in the multiple parallel data frame structure
  • the header acquires the data of all the receiving channels, and the acquired data of the receiving channel is preferably serially sorted according to the position of the data (channel order) or the data content to form a serial data column. Of course, it can also be randomly performed.
  • the composition of the serial data column is not strictly limited, and the channel operation information content and the adjustment manner that can be conceived in the present application are all within the scope of the present application.
  • the serial data column is composed as the data part in the serial data frame structure, and at the same time, a new serial data frame header is formed and added to the composed serial data column, thereby forming a serial serial Data frame structure.
  • step 804 of the embodiment when a serial serial electrical signal that needs to be transmitted is received, the one serial serial electrical signal is converted into multiple parallel electrical signals. In this embodiment, the required transmission is received.
  • the serial electrical signal is a data frame structure (hereinafter referred to as a serial data frame structure), and the serial data frame structure includes data of a serial transmission frame header and at least one transmission channel; a specific conversion form Included in the order of the channel data according to the data frame structure of one serial or the data content, the data frame structure of one serial is divided into multiple parallel data frame structures for processing.
  • the manner in which the serial data frame structure is divided into multiple parallel data frame structures is not limited to the channel sequence or the data content, and the serial data frame structure can be randomly processed.
  • the multiplexed data frame structure is processed into a multiplexed optical signal by a technique such as electro-optical conversion, and according to channel operation information carried in the data frame structure.
  • the manner in which the converted multiple optical signals are combined into an optical signal is preferably, but not limited to, combining multiple optical signals according to the wavelength of the multiple optical signals and/or the allocated power.
  • the road is processed into a beam of light signals that need to be transmitted, and a combined beam of light signals is transmitted through the optical interface.
  • Embodiment 4 In this embodiment, a multi-channel optical transceiver module is provided. Referring to FIG. 9, the multi-channel optical transceiver module includes: an optical path division processing unit 901, a photoelectric channel processing unit 902, and a serial/parallel conversion unit 903.
  • the optical path dividing processing unit 901 branches the received optical signal into multiple optical signals, and transmits the multiple optical signals to the optical channel processing unit 902.
  • the optical path division processing unit 901 has an optical power division multiplexing function and/or an optical wavelength division multiplexing function, that is, the optical path division processing unit 901 can divide the received optical signal according to the allocated power and/or wavelength of the optical signal.
  • the optical path dividing processing unit 901 divides the received optical signal into multiple multiplexed optical signals according to the allocated power and/or wavelength of the optical signal, and sends the multiplexed optical signal to the optical signal.
  • Photoelectric channel processing unit 902. the photoelectric channel processing unit 902 converts the received multiple optical signals into multiple parallel electrical signals, and transmits the multiple parallel electrical signals to the serial/parallel conversion unit 903;
  • the process of processing the multiple optical signals into multiple parallel electrical signals by the photoelectric channel processing unit 902 includes: processing the multiple optical signals into electrical signals of multiple parallel data frame structures (the following expression is multi-channel) Parallel data frame structure), the data frame structure includes data for receiving a frame header and a receiving channel.
  • the serial/parallel conversion unit 903 converts the received multiple parallel electrical signals into one serial electrical signal; in this embodiment, the multiple parallel electrical signals are converted into one serial electrical signal.
  • the process is: acquiring data of all receiving channels according to the receiving frame header in the multi-parallel data frame structure, and sequentially obtaining the data of the received receiving channel according to the position (channel order) of the data, or serially sorting the data content. Forming a serial data column; forming a serial data column as a data portion of a serial data frame structure, and A new serial data frame header is formed and added to the composed serial data column to form a serial data frame structure.
  • the data of the acquired receiving channel can also be randomly composed of serial data columns.
  • the serial/parallel conversion unit 903 converts the received serial electrical signal that needs to be transmitted into multiple parallel electrical signals, and transmits the multiple parallel electrical signals to the photoelectric channel processing.
  • the received serial electrical signal that needs to be transmitted is a data frame structure (hereinafter referred to as a serial data frame structure), and the serial data frame structure includes a serial transmission frame.
  • the photoelectric channel processing unit 902 includes a function of converting the electrical optical signals, that is, after receiving the multiple parallel electrical signals, the photoelectric channel processing unit 902 converts the received multiple parallel electrical signals into multiple channels.
  • the optical signal transmits the multiplexed optical signal to the optical path division processing unit 901.
  • the optical path multiplexing processing unit 901 includes at least an optical power multiplexing function and/or a light wave multiplexing function, and therefore, after receiving the multiple optical signals, according to the received multiple optical signals.
  • the power and/or the wavelength combines the multiplexed optical signals into a single optical signal.
  • combining the received multiple optical signals into one optical signal may also be based on multiple channels.
  • the photoelectric channel processing unit 902 includes at least one photoelectric receiving channel and at least one electro-optic transmitting channel; in this embodiment, the photo receiving channel is configured to convert the received optical signal into an electrical signal, and The electrical signal is transmitted to the serial/parallel conversion unit 903.
  • the photoelectric receiving channels are two, two parallel optical signals are respectively converted into two parallel electrical signals; when the photoelectric receiving channel is In multiple cases, multiple optical signals are converted into multiple parallel electrical signals.
  • the electro-optic emission channel is configured to convert the received electrical signal into an optical signal, and send the optical signal to the optical path dividing processing unit 901; in this embodiment, the number of the electro-optic transmitting channels is preferably the same as the number of the optical receiving channels. , of course, may also be different.
  • the receiving direction multiple optical signals may be preferably processed through multiple photoelectric receiving channels; in the transmitting direction, multiple parallel electrical signals may be processed through an electro-optic transmitting channel; , Preferably, the multiple parallel electrical signals are processed through a plurality of parallel electro-optic transmission channels.
  • the specific channel setting mode is not limited in this embodiment. It is within the scope of the present application to conceive the method of processing the photoelectric signal in a multi-channel manner.
  • the channel working information is included in one serial data frame structure and the multiple parallel data frame structure, and the channel working information includes channel working mode information, channel signal modulation format information, and channel data transmission rate information.
  • the channel working information content is not limited to the above mentioned ones, and can also be flexibly adjusted, and the specific adjusting manner may be It is adjusted by the control command provided by the manager of the link external interface, and the management module containing the adjustment rule or command may be set in the system to adjust the channel work information. Of course, it can also be adjusted by hardware or by software.
  • the content of the channel working information and the specific adjustment manner are not strictly limited.
  • the channel operation information in the data frame structure may be located in the frame header portion of the data frame structure or in the data portion of the channel.
  • FIG. 10 is a schematic structural diagram of data transmission of the multi-channel optical transceiver module provided in the embodiment, and preferably includes a structure in the schematic diagram of the embodiment.
  • the optical interface, a multi-channel photoelectric transceiver module and an electrical interface, the multi-channel photoelectric transceiver module comprises: an optical path dividing processing unit 901, a photoelectric channel processing unit 902 and a serial/parallel conversion unit 903.
  • the photoelectric channel processing Unit 902 in turn includes at least one optoelectronic receiving channel and at least one electro-optic transmitting channel.
  • the specific data transmission includes: in the receiving direction: after receiving the optical signal from the optical interface, the optical path dividing processing unit 901 branches the received optical signal according to the allocated power and/or wavelength of the optical signal. The multiplexed optical signal is then distributed to the optical channel processing unit 902.
  • the photo channel processing unit 902 includes at least one photoreceiving channel and at least one electro-optic channel, wherein one photoreceiving channel and one electro-optic channel form a small optoelectronic processing unit.
  • the plurality of photoelectric receiving channels in the photoelectric channel processing unit 902 receive the distributed multiple optical signals, and convert the received multiple optical signals into multiple parallel electrical signals, and the multiple parallel electrical signals are multiple Parallel data frame structure,
  • the data frame structure of each of the multiple parallel data frame structures includes a frame header and corresponding channel data.
  • the photoelectric channel processing unit 902 transmits the converted multiple parallel electrical signals to the serial/parallel conversion unit 903.
  • the serial/parallel conversion unit 903 has a serial-to-parallel conversion function and a parallel-to-serial conversion function; the parallel-to-serial conversion function is mainly enabled in the reception direction of this embodiment.
  • the serial/parallel conversion unit 903 converts the received multiple parallel electrical signals into one serial electrical signal.
  • the serial/parallel conversion unit 903 mainly enables the serial-to-parallel conversion function, that is, is configured to convert the received serial electrical signal that needs to be transmitted into multiple parallel electrical signals, and to convert the multiple parallel electrical signals.
  • a plurality of electro-optic emission channels in the signal converted photo channel processing unit 902 are processed.
  • the plurality of electro-optical transmission channels in the photoelectric channel processing unit 902 process the electrical signals into multiple optical signals by using photoelectric conversion technology, and then send the optical signals to the optical path division processing.
  • Unit 901 performs a combining process.
  • the optical path division processing unit 901 preferably combines the received multiple optical signals into one optical signal according to the allocated power and/or wavelength of the multiplexed optical signals, and transmits the optical signals to the optical interface.
  • the multi-channel photoelectric transceiver module further includes a synchronization unit and a management unit, wherein the synchronization unit is configured to ensure clock synchronization between each unit in the multi-channel photoelectric transceiver module, and the management unit is set to multi-channel
  • the working mode of each unit in the photoelectric transceiver module is managed.
  • it is mainly configured to perform channel channel information management in the photoelectric channel processing unit 902.
  • the channel working information includes channel working mode information, channel signal modulation format information, and channel data transmission. At least one of rate information, channel operating wavelength information, and working channel number information.
  • the synchronization unit and the management unit may be located inside the multi-channel optoelectronic transceiver module system, implemented by software or hardware; or may be implemented by an external interface outside the multi-channel optoelectronic transceiver module system.
  • the synchronization unit and the management unit are preferably located inside the multi-channel optoelectronic transceiver module system and implemented by software.
  • Embodiment 5 provides a multi-channel optical transceiver module device, specifically, an application of stacking multi-channel photoelectric transceiver modules, the device comprising: at least two multi-channel photoelectric systems described in Embodiment 4 Transceiver module and optical path splitting processor;
  • the optical path splitting processor is configured to split the received optical signal into multiple optical signals according to the wavelength of the optical signal and/or the allocated power, and distribute the multiple optical signals to the optical signal.
  • the multi-channel photoelectric transceiver module is configured to perform the multi-channel split-path processing of the photoelectric signals by using the method in the first embodiment or the third embodiment;
  • the multi-channel optical transceiver module is configured to perform multi-channel shunt processing on the received optical signal; in the transmitting direction, the multi-channel optical transceiver module is configured to perform multi-channel combining processing on the received electrical signal.
  • an optical receiving and transmitting method and apparatus provided by an embodiment of the present invention, an optical transceiver method, a module, and a device have the following beneficial effects: processing a received photoelectric signal by using a multi-channel processing technology,
  • processing a received photoelectric signal by using a multi-channel processing technology

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Abstract

本发明提供了光电接收、发射方法、装置,光电收发方法、模块、设备,解决了光电收发系统中物理接口不精简和接口插拔困难的问题。本申请中采用多通道光电收发处理方法,包括在接收方向:将从接收到的光信号分路为多路的光信号,并将该多路的光信号处理为多路并行的电信号,然后将多路并行的电信号转换为一路串行的电信号;在发射方向:将接收到的需要发射的一路串行的电信号转换为多路并行的电信号,然后将该多路并行的电信号处理为多路的光信号,最后将该多路的光信号合路为一束光信号。与现有技术相比,避免了现有技术中当光网络的容量较大时,采用堆叠技术而造成的光网络系统物理接口数量较大和接口插拔困难的问题。

Description

光电接收、 发射方法、 装置, 光电收发方法、 模块、 设备 技术领域 本发明涉及光通信技术领域, 尤其涉及光电接收、 发射方法、 装置, 光电收发方 法、 模块、 设备。 背景技术 在传统的光通信技术领域, 采用单通道的光电收发模块进行数据的收发, 该单通 道的光电收发模块外接单个光接口和单个电接口进行数据的收发, 然而, 随着光通讯 系统容量的不断增加, 具有单个光接口和单个电接口的单通道光电收发模块已经不能 满足实际需求, 现有常采用的技术是将多个单通道的光电收发模块堆叠在一起进行大 容量数据的收发, 但是该堆叠技术导致了系统物理电接口和光接口的数量过大, 造成 系统物理接口插拔困难。 因此, 基于上述问题, 如何精简光电收发模块的物理接口数 量是现有需要亟待解决的技术问题。 发明内容 本发明提供了一种光电接收、 发射方法、 装置, 光电收发方法、 模块、 设备, 以 至少解决相关技术的光电收发系统中物理接口不精简和接口插拔困难的问题。 为了解决上述问题, 本申请提供了一种光电接收方法, 包括: 接收光接口传输过来的光信号, 将所述光信号分路为多路的光信号; 将所述多路的光信号处理为多路并行的电信号; 将所述多路并行的电信号转换为一路串行的电信号, 并将其传输到电接口。 在本发明一实施例中, 将接收到的所述光信号分路处理为多路的光信号的方式包 括: 根据所述光信号的波长和 /或分配的功率将接收到的光信号分为多路的光信号。 在本发明一实施例中, 所述将所述多路的光信号处理为多路并行的电信号的过程 包括: 将所述多路的光信号处理为多路并行的数据帧结构的电信号, 所述数据帧结构 包括接收帧头和接收通道的数据。 在本发明一实施例中, 所述将所述多路并行的电信号转换为一路串行的电信号的 过程为: 根据所述多路并行的数据帧结构中的接收帧头获取多路并行的接收通道的数据; 将获取的所述多路并行的接收通道的数据处理为一路串行的数据帧结构, 所述一 路串行的数据帧结构包括串行接收帧头和至少一个接收通道数据。 在本发明一实施例中, 数据帧结构的帧头或接收通道的数据中还包括通道工作信 息; 所述通道工作信息包括通道工作模式信息、 通道信号调制格式信息、 通道数据传 输速率信息、 通道工作波长信息以及工作通道数量信息中的至少一种。 为了解决上述问题, 本申请提供了一种光电接收模块, 包括光分路处理单元, 光 电处理单元以及并串转换单元; 所述光分路处理单元设置为将光接口传输过来的光信号分路为多路的光信号, 并 将其传输到光电处理单元; 所述光电处理单元设置为将接收到的所述多路的光信号处理为多路并行的电信 号, 并将其传输给并串转换单元; 所述并串转换单元设置为将接收到的所述多路并行的电信号转换为一路串行的电 信号, 并将其传输到电接口。 在本发明一实施例中, 光分路处理单元将接收到的光信号分路为多路的光信号的 方式包括: 根据所述光信号的波长和 /或分配的功率将接收到的光信号分为多路的光信 号。 为了解决上述问题, 本申请提供了一种电光发射方法, 包括: 接收电接口传输过来需要发射的一路串行的电信号, 并将所述一路串行的电信号 转换为多路并行的电信号; 将所述多路并行的电信号处理为多路的光信号; 将所述多路的光信号合路为一束光信号, 并将所述一束光信号发射到光接口。 在本发明一实施例中, 所述一路串行的电信号为数据帧结构, 所述数据帧结构包 括串行发射帧头和至少一个发射通道的数据; 所述将所述一路串行的电信号转换为多路并行的电信号过程包括: 根据一路串行的数据帧结构中的串行发射帧头获取发射通道的数据; 将获取的所述发射通道的数据处理为多路并行的数据帧结构, 该数据帧结构包括 发射帧头和发射通道数据。 在本发明一实施例中, 所述数据帧结构的串行发射帧头或发射通道的数据中还包 括通道工作信息; 所述通道工作信息包括通道工作模式信息、通道信号调制格式信息、 通道数据传输速率信息、 通道工作波长信息以及工作通道数量信息中的至少一种。 为了解决上述问题, 本发明提供了一种电光发射模块, 包括串并转换单元, 电光 处理单元和光合路处理单元; 所述串并转换单元设置为将电接口传输过来需要发射的一路串行的电信号转换为 多路并行的电信号后, 并将所述多路并行的电信号传输至电光处理单元; 所述电光处理单元设置为将接收到的所述多路并行的电信号处理为多路的光信 号, 并将其传输至光合路处理单元; 所述光合路处理单元设置为将接收到的所述多路的光信号合路为一束光信号, 并 将所述一束光信号发射到光接口。 在本发明一实施例中, 所述光合路处理单元将所述多路的光信号合路为一束光信 号的方式包括: 根据多路的光信号的波长和 /或分配的功率将所述多路的光信号合路为一束光信 号。 为了解决上述问题, 本申请提供了一种多通道光电收发方法, 包括: 在接收方向: 接收光接口传输过来的光信号, 将所述光信号分路为多路的光信号; 将所述多路的光信号处理为多路并行的电信号; 将所述多路并行的电信号转换为一路串行的电信号, 并将所述一路串行的电信号 传输到电接口; 在发射方向: 接收电接口传输过来需要发射的一路串行的电信号, 将所述一路串行的电信号转 换为多路并行的电信号; 将所述多路并行的电信号处理为多路的光信号; 将所述多路的光信号合路为一束光信号, 并将所述一束光信号发射到光接口。 为了解决上述问题, 本申请提供了一种多通道光电收发模块, 包括: 光路分合处 理单元, 光电通道处理单元和串 /并转换单元; 在接收方向: 所述光路分合处理单元设置为将从光接口接收到的光信号分路为多路的光信号, 并将所述多路的光信号传输至光电通道处理单元; 所述光电通道处理单元设置为将接收到的所述多路的光信号处理为多路并行的电 信号, 并将所述多路并行的电信号传输至串 /并转换单元; 所述串 /并转换单元设置为将所述多路并行的电信号转换为一路串行的电信号, 并 将所述一路串行的电信号传输到电接口; 在发射方向: 所述串 /并转换单元设置为将从电接口接收到的需要发射的一路串行的电信号转 换为多路并行的电信号, 并将所述多路并行的电信号发送至光电通道处理单元; 所述光电通道处理单元设置为将接收到的所述多路并行的电信号处理为多路的光 信号, 并将所述多路的光信号发送至光路分合处理单元; 所述光路分合处理单元设置为将所述多路的光信号合路为一束光信号, 并将所述 一束光信号发射到光接口。 在本发明一实施例中, 在接收方向: 光路分合处理单元根据光信号的波长和 /或分 配的功率将从光接口接收到的光信号分路为多路的光信号; 在发射方向: 光路分合处理单元根据光信号的波长和 /或分配的功率将所述多路的 光信号合路为一束光信号。 在本发明一实施例中, 在接收方向: 光电通道处理单元将接收到的所述多路的光 信号处理为多路并行的电信号的过程包括: 将所述多路的光信号处理为多路并行的数 据帧结构的电信号, 所述数据帧结构包括接收帧头和接收通道的数据; 所述串 /并转换单元将所述多路并行的电信号转换为一路串行的电信号的过程为: 根据所述多路并行的数据帧结构中的接收帧头获取多路并行的接收通道的数据; 将获取的所述多路并行的接收通道的数据处理为一路串行的数据帧结构, 该数据 帧结构包括串行接收帧头和至少一个接收通道的数据; 在发射方向: 所述一路串行的电信号为数据帧结构, 所述数据帧结构包括串 行发射帧头和至少一个发射通道的数据; 所述串 /并转换单元将从电接口接收到的需要发射的一路串行的电信号转换为多 路并行的电信号的过程包括: 根据一路串行的数据帧结构中的串行发射帧头获取发射通道的数据; 将获取的所述发射通道的数据处理为多路并行的数据帧结构, 该数据帧结果包括 发射帧头和发射通道的数据。 在本发明一实施例中, 在接收方向: 数据帧结构的帧头或者接收通道的数据中还 包括通道工作信息; 所述通道工作信息包括通道工作模式信息、 通道信号调制格式信 息、通道数据传输速率信息、通道工作波长信息以及工作通道数量信息中的至少一种; 在发射方向: 数据帧结构的帧头或者发射通道的数据中还包括通道工作信息; 所 述通道工作信息包括通道工作模式信息、 通道信号调制格式信息、 通道数据传输速率 信息、 通道工作波长信息以及工作通道数量信息中的至少一种。 为了解决上述问题, 本申请提供了一种光电收发设备, 包括: 至少两个多通道光电收发模块和光路分合处理器; 所述光路分合处理器设置为将接收到的光信号分路为多路的光信号, 并将所述多 路的光信号分发给至少两个多通道光电收发模块; 在接收方向, 所述多通道光电收发模块设置为将接收到的光信号进行多通道分路 处理; 在发射方向, 所述多通道光电收发模块设置为将接收到的电信号进行多通道合路 处理。 本发明的有益效果是: 本发明提供了光电接收、 发射方法、 装置, 光电收发方法、 模块、 设备, 解决了 光电收发系统中物理接口不精简和接口插拔困难的问题。 本申请中采用多通道光电收 发处理方法, 包括在接收方向: 将从接收到的光信号分路为多路的光信号, 并将该多 路的光信号处理为多路并行的电信号, 然后将多路并行的电信号转换为一路串行的电 信号; 在发射方向: 将接收到的需要发射的一路串行的电信号转换为多路并行的电信 号, 然后将该多路并行的电信号处理为多路的光信号, 最后将该多路的光信号合路为 一束光信号。 与现有技术相比, 本申请采用多通道的处理技术对接收到的光电信号进 行处理, 避免了现有技术中当光网络的容量较大时, 采用堆叠技术而造成的光网络系
附图说明 图 1是本发明第一实施例提供的光电接收方法流程图; 图 2是本发明第一实施例提供的电光发射方法流程图; 图 3是本发明第一实施例提供的收发方向的数据帧结构示意图; 图 4是本发明第一实施例提供的通道工作信息包含在数据帧的帧头部位时的结构 示意图; 图 5本发明第一实施例提供的通道工作信息包含在数据帧的通道数据部位时的结 构示意图; 图 6为本发明第二实施例提供的光电接收模块结构示意图; 图 7为本发明第二实施例提供的电光发射模块结构示意图; 图 8为本发明第三实施例提供的多通道光电收发方法流程图; 图 9是本发明第四实施例提供的多通道光电收发模块结构示意图; 图 10 是本发明第四实施例中提供的利用多通道光电收发模块进行数据传输的结 构示意图; 图 11是本发明第五实施例中提供的一种光电收发设备结构示意图。 具体实施方式 本发明中采用多通道的处理方式, 在接收方向: 将接收到的光信号分路为多路光 信号, 并将所述多路光信号处理为多路并行的电信号, 最后将所述多路并行的电信号 转换为一路串行的电信号, 并将所述一路串行的电信号传输到电接口, 在本发明一实 施例中, 将接收到的光信号分路处理为多路的光信号的过程包括: 根据光信号的波长 和 /或分配的功率将接收到的光信号分为多路的光信号; 在发射方向, 将需要发射的一 路串行电信号转换为多路并行的电信号, 然后将该转换后的多路并行的电信号处理为 多路光信号,最后将该多路光信号合路处理为光信号, 并将所述光信号发射到光接口。 采用本实施例中多通道处理技术, 避免了现有技术中当光网络的容量较大时, 采用堆 叠技术而造成的光网络系统物理接口数量较大和接口插拔困难的问题。 解决了光电收 发系统中物理接口不精简和接口插拔困难的问题。 为了对本申请能够更好的理解, 下面结合具体的实施例对本申请的内容做进一步 说明: 在本实施例中,所使用的术语只是为了描述特定实施例,而不对本公开作出限制。 例如使用的, 单数形式 "一"、 "一个" 以及 "所述"也包括复数形式, 除非上下文明 确地指出。 此外, 术语 "一"、 "一个"等等的使用不表示对数量的限制, 而是表示被 引用的项中的至少一个的存在。 进一步可以理解, 本说明中所使用的术语 "包括"表 示指定的特点、 步骤、 操作的存在, 但是不排除一个或多个其他特点、 步骤、 操作和 / 或其组合的存在或添加。 图 1是本实施例中提供的一种光电接收方法, 该方法包括: 步骤 101 : 接收光接口传输过来的光信号, 将该光信号分路为多路的光信号; 步骤 102: 将多路的光信号处理为多路并行的电信号; 步骤 103 : 将该多路并行的电信号转换为一路串行的电信号, 并将该一路串行的 电信号传输到电接口。 在步骤 101中, 从光接口接收传输过来的光信号, 其中, 所述的光接口在本实施 例中优选但不限于一个光接口, 当接收到光接口传输过来的光信号之后, 将该接收到 的光信号分路处理为多路的光信号。 进一步地, 在步骤 101中, 将接收到的光信号分路为多路的光信号的方式包括: 将接收到的光信号根据光信号的波长和 /或分配的功率分为多路的光信号, 在本实施例 中, 对光信号的分路处理优选但不限于根据光信号的波长和 /或分配的功率, 还可以包 括光信号的强度等属性, 具体的可以是相同波长的光信号分为一路, 或者将分配了相 同功率的光信号分为一路,还可以是将相同波长和分配了相同功率的光信号分为一路, 具体的分路根据用户需求进行设置, 在此不再多于赘述。 进一步地,在步骤 102中,将多路的光信号处理为多路并行的电信号的过程包括: 将多路的光信号处理为多路并行的数据帧结构的电信号 (以下表述为多路并行的数据 帧结构) , 该数据帧结构包括接收帧头和接收通道的数据。 进一步地, 在步骤 103中, 将多路并行的电信号转换为一路串行的电信号的过程 为: 根据多路并行的数据帧结构中的接收帧头获取接收通道的数据; 并将获取到的接 收通道的数据处理为一路串行的数据帧结构的电信号 (以下表述为一路串行的数据帧 结构) ; 所述一路串行的数据帧结构包括串行接收帧头和至少一个接收通道数据。 在 本实施例中, 将多路并行的电信号转换为一路串行的数据帧结构的具体过程优选为: 根据多路并行的数据帧结构中的帧头获取接收通道的数据, 将获取到的接收通道的数 据优选按照数据所处位置 (通道顺序) , 或者数据内容进行串行排序从而组成一个串 行的数据列, 当然, 也可以随机地进行串行的数据列的组成。 同时, 形成新的串行数 据帧头, 将组成的串行数据列作为串行的数据帧结构中的数据部分并增加新的串行数 据帧头从而形成一路串行的数据帧结构。 在本实施例中, 数据帧结构包括: 多路并行的数据帧结构, 在本实施例中选择多路中并行的数据帧结构中的一路数 据帧结构为例进行说明, 该数据帧结构中包括接收帧头和接收通道的数据, 在本实施 例中, 每一路的数据帧结构优选相同; 一路串行的数据帧结构, 该一路串行的数据帧结构中包括多路并行的数据帧结构 中的所有接收通道的数据, 在本实施例中, 一路串行的数据帧结构的通道数由多路并 行的数据帧结构决定, 例如, 当有三路并行的数据帧结构时, 转换后的一路串行的数 据帧结构中除了新生成的串行的帧头外, 还包括三个串行的接收通道的数据。 为了进一步说明本实施例中数据帧结构的格式, 参见图 3中的图 3a和图 3c, 为 本实施例中分别提供的串行接收数据帧结构和并行接收数据帧结构, 在图 3c中, 包括 多路并行的数据帧结构,在本实施例中图 3c仅选择了其中一路数据帧结构进行数据帧 结构说明; 将图 3c中的并行数据帧结构转换为图 3a中的串行数据帧结构的具体过程 为根据数据帧结构的串并转换技术进行。 进一步地, 在本实施例中, 数据帧结构中还包括通道工作信息, 该通道工作信息 包括通道工作模式信息、 通道信号调制格式信息、 通道数据传输速率信息、 通道工作 波长信息以及工作通道数量信息中的至少一种, 在本实施例中, 优选地, 该通道工作 信息内容不限于上述提及的几种, 还可以灵活的调整, 具体调整的方式可以是通过外 部接口输入的控制命令进行调整, 也可以在系统中设置调整规则或命令对通道工作信 息进行调整。 当然, 也可通过硬件形式的调整或者是软件形式的调整。 在本实施例中 对通道工作信息的内容以及具体调整方式不做严格限定, 只要在本申请启示下能够想 到的通道工作信息内容和调整方式都属于本申请请求保护的范围。 在本实施例中, 通道工作信息位于数据帧结构中的帧头部分或者是电信号的通道 数据部分, 为了具体说明, 请参见图 4中的图 4a和图 4c以及图 5中的图 5a和图 5c; 其中, 图 4中的图 4a和图 4c表示将通道工作信息写在数据帧结构的帧头部分, 在本 实施例中, 优选地, 数据帧结构的帧头部分除了包括通道工作信息外, 还进一步包括 数据同步信息以及相关的协议信息; 图 5中的图 5a和图 5c表示将通道工作信息写在 数据帧结构的通道数据部分。 采用本实施例提供的光电信号接收的方法, 能够将光接口传输过来的光信号进行 分路后采用多通道处理的方式进行处理, 避免在光信号容量较大时, 采用堆叠数据处 理技术而造成的物理接口不精简的问题。 在本实施例中, 还提供了一种电光发射的方法, 参见图 2, 该方法包括: 步骤 201 : 接收电接口传输过来需要发射的一路串行的电信号, 并将所述一路串 行的电信号转换为多路并行的电信号; 步骤 202: 将多路并行的电信号处理为多路的光信号; 步骤 203 : 将多路的光信号合路为一束光信号, 并将所述一束光信号发射到光接 口。 进一步地, 在步骤 201中, 接收电接口传输过来需要发射处理的一路串行的电信 号, 其中, 该需要发射的一路串行的电信号的电接口优选但不限于一个; 在本实施例 中, 接收到需要发射的一路串行的电信号为数据帧结构 (以下表述为一路串行的数据 帧结构) , 该一路串行的数据帧结构包括串行发射帧头和至少一个发射通道的数据; 根据该一路串行的数据帧结构中的串行发射帧头获取发射通道的数据, 并根据发射通 道的通道顺序或者是通道内的数据内容, 将其分为多路并行的数据帧结构进行处理, 例如, 当接收到的一路串行的数据帧结构中, 除了帧头外, 还具有排序分别为 1, 2 和 3的三个串行的带有数据的通道时, 则将该三个串行的带有数据的通道分为三路并 行的带有数据的通道, 并分别增加新的帧头从而形成三路并行的数据帧结构。 在本实施例中, 为了进一步说明本实施例中的数据帧结构, 请参见图 3中的图 3b 和图 3d; 图 3b和图 3d分别提供了一路串行发射数据帧结构的格式和并行发射数据帧 结构的格式, 需要说明的是, 图 3d中包括多路并行的发射数据帧结构, 在本实施例中 图 3d仅选择了其中一路发射数据帧结构进行数据帧结构说明。 在本实施例中, 数据帧结构中还包括通道工作信息, 该通道工作信息包括通道工 作模式信息、 通道信号调制格式信息、 通道数据传输速率信息、 通道工作波长信息以 及工作通道数量信息中的至少一种, 在本实施例中, 优选地, 该通道工作信息内容不 限于上述提及的几种, 还可以灵活的调整, 具体调整的方式可以是通过外部接口输入 的控制命令进行调整,也可以在系统中设置调整规则或命令对通道工作信息进行调整。 当然, 也可通过硬件形式的调整或者是软件形式的调整。 在本实施例中对通道工作信 息的内容以及具体调整方式不做严格限定, 只要在本申请启示下能够想到的通道工作 信息内容和调整方式都属于本申请请求保护的范围。 在本实施例中, 通道工作信息位于数据帧结构中的帧头部分或者通道数据部分, 为了具体说明, 请参见图 4中的图 4b和图 4d以及图 5中的图 5b和图 5d; 其中, 图 4 中的图 4b和图 4d表示将通道工作信息写在数据帧结构的帧头部分, 在本实施例中, 优选地, 数据帧结构的帧头部分除了包括通道工作信息外, 还进一步包括数据同步信 息以及相关的协议信息; 图 5中的图 5b和图 5d表示将通道工作信息写在数据帧结构 的通道数据部分。 在步骤 202中, 通过电光转换等技术, 以及根据数据帧结构中携带的通道工作信 息将多路并行的电信号处理为多路的光信号。 在步骤 203中, 将多路的光信号合路为一束光信号, 并将该一束光信号发射到光 接口, 在本实施例中, 将转换后的多路的光信号合路处理为光信号的方式优选但不限 于根据多路的光信号的波长和 /或者分配的功率将多路的光信号合路处理为需要发射 出去的一束光信号, 将合路处理后的一束光信号通过光接口发射出去。 本实施例中分别提供了一种光电信号接收方法和一种电光信号发射方法, 该两种 方法可同时使用时, 能够将传输过来的光电信号进行分路后的采用多通道处理的方式 进行处理, 避免在光信号容量较大时, 采用堆叠数据处理技术而造成的物理接口不精 简的问题。 实施例二: 参见图 6是本实施例提供的光电接收模块结构示意图, 该模块包括: 光分路处理 单元 601, 光电处理单元 602以及并串转换单元 603 ; 光分路处理单元 601设置为将光接口传输过来的光信号分路为多路的光信号, 并 将其传输到光电处理模块; 光电处理单元 602设置为将接收到的多路的光信号处理为多路并行的电信号, 并 将其传输给并串转换模块; 并串转换单元 603设置为将接收到的所述多路并行的电信号转换为一路串行的电 信号, 并将其传输到电接口。 在本实施例中, 优选但不限于从一个光接口和一个电接口。 进一步地, 在本实施例中, 光分路处理单元 601接收到光信号以后, 优选但不限 于根据光信号的分配的功率和 /或波长(还可以是根据光信号的强度等属性)对该光信 号进行分路, 具体的光分路处理单元 601将光信号分为多路的光信号; 该多路的光信 号可同时被进行处理。 在本实施例该, 光电处理单元 602包括光电转换的功能, 能够将多路的光信号处 理为多路并行的电信号, 该多路并行的电信号为数据帧结构; 具体的, 将多路的光信 号转换为多路并行电信号的过程中, 在数据帧结构中增加通道工作信息, 该通道工作 信息包括通道工作模式信息、 通道信号调制格式信息、 通道数据传输速率信息、 通道 工作波长信息以及工作通道数量信息中的至少一种, 在本实施例中, 优选地, 该通道 工作信息内容不限于上述提及的几种, 还可以灵活的调整, 具体调整的方式可以是通 过外部接口输入的控制命令进行调整, 也可以在系统中设置调整规则或命令对通道工 作信息进行调整。 当然, 也可通过硬件形式的调整或者是软件形式的调整。 在本实施 例中对通道工作信息的内容以及具体调整方式不做严格限定, 只要在本申请启示下能 够想到的通道工作信息内容和调整方式都属于本申请请求保护的范围。 参见图 7, 是本实施例提供的电光发射模块结构示意图, 该装置包括: 串并转换 单元 701, 电光处理单元 702和光合路处理单元 703 ; 串并转换单元 701设置为接收电接口传输过来需要发射的一路串行的电信号, 并 将该一路串行的电信号转换为多路并行的电信号, 在本实施例中, 接收到需要发射的 一路串行的电信号为数据帧结构 (以下表述为一路串行的数据帧结构) , 该数据帧结 构包括串行发射帧头和至少一个发射通道的数据; 串并转换单元 701优选根据一路串 行的数据帧结构中的通道顺序或者是数据内容, 将其分为多路并行的数据帧结构, 当 然, 在本实施例中, 将一路串行的数据帧结构分为多路并行的数据帧结构的方式不限 于根据通道顺序或者数据内容, 也可随机进行串行的数据帧结构的分路处理。 在本实施例中, 电光处理单元 702通过电光转换等技术, 以及根据数据帧结构中 携带的通道工作信息将多路并行的数据帧结构处理为多路的光信号。 在本实施例中, 将转换后的多路的光信号合路处理为光信号的方式优选但不限于 根据多路的光信号的波长和 /或分配的功率将多路的光信号合路处理为需要发射出去 的一束光信号, 将合路处理后的一束光信号通过光接口发射出去。 实施例三: 图 8是本实施例提供的多通道光电收发方法流程图, 该方法包括: 接收方向和发 射方向; 在接收方向包括: 步骤 801 : 接收光信号, 将该光信号分路为多路的光信号; 步骤 802: 将多路的光信号处理为多路并行的电信号; 步骤 803 : 将多路并行的电信号转换为一路串行的电信号, 并将该一路串行的电 信号传输到电接口。 在发射方向包括: 步骤 804: 接收需要发射的一路串行的电信号, 将该一路串行的电信号转换为多 路并行的电信号; 步骤 805 : 将多路并行的电信号处理为多路的光信号; 步骤 806: 将多路的光信号合路为一束光信号, 并将该一束光信号发射到光接口。 在本实施例上述步骤 801中收光信号, 将该光信号分路为多路的光信号的方法包 括: 根据光信号的波长和 /或分配的功率将接收到的光信号分为多路的光信号, 当然, 还可以根据光信号的其他属性, 例如还可以根据光信号的强度进行分路处理。 在本实施例上述步骤 802中, 将分路后的多路的光信号进行处理, 具体地, 将多 路的光信号处理为多路并行的电信号, 优选地, 在本实施例中, 所述多路并行的电信 号为电信号数据帧结构 (以下表述为多路并行的数据帧结构) , 该多路并行的数据帧 结构包括接收帧头和接收通道的数据。 优选地, 在本实施例中, 在进行多路并行的数据帧结构的处理过程中, 在多路并 行的数据帧结构中增加通道工作信息, 该通道工作信息包括通道工作模式信息、 通道 信号调制格式信息、 通道数据传输速率信息、 通道工作波长信息以及工作通道数量信 息中的至少一种, 在本实施例中, 优选地, 该通道工作信息内容不限于上述提及的几 种, 还可以灵活的调整, 具体调整的方式可以是通过外部接口输入的控制命令进行调 整, 也可以在系统中设置调整规则或命令对通道工作信息进行调整。 当然, 也可通过 硬件形式的调整或者是软件形式的调整。 在本实施例中对通道工作信息的内容以及具 体调整方式不做严格限定, 只要在本申请启示下能够想到的通道工作信息内容和调整 方式都属于本申请请求保护的范围。 在本实施例的步骤 803中, 将多路并行的电信号转换为一路串行电信号并将该一 路串行电信号发送到光接口的过程包括: 根据多路并行的数据帧结构中的帧头获取所 有接收通道的数据, 将获取到的接收通道的数据优选按照数据所处位置(通道顺序), 或者数据内容进行串行排序从而组成一个串行的数据列, 当然, 也可以随机地进行串 行的数据列的组成。将组成的串行数据列作为串行的数据帧结构中的数据部分, 同时, 形成新的串行的数据帧头并将其增加到组成的串行的数据列中, 从而形成一路串行的 数据帧结构。 在本实施例的步骤 804中, 当接收到需要发射的一路串行的电信号时, 将该一路 串行的电信号转换为多路并行的电信号, 在本实施例中, 接收到需要发射的一路串行 的电信号为数据帧结构 (以下表述为一路串行的数据帧结构) , 该一路串行的数据帧 结构包括串行发射帧头和至少一个发射通道的数据; 具体的转换形式包括优选根据一路串行的数据帧结构的通道数据的顺序或者是数 据内容, 将该一路串行的数据帧结构分为多路并行的数据帧结构进行处理, 当然, 在 本实施例中, 将一路串行的数据帧结构分为多路并行的数据帧结构的方式不限于根据 通道顺序或者数据内容, 也可随机进行串行的数据帧结构的分路处理。 在本实施例步骤 805中, 通过电光转换等技术, 以及根据数据帧结构中携带的通 道工作信息将多路并行的数据帧结构处理为多路的光信号。 在本实施例步骤 806中, 将转换后的多路的光信号合路处理为光信号的方式优选 但不限于根据多路的光信号的波长和 /或者分配的功率将多路的光信号合路处理为需 要发射出去的一束光信号, 将合路处理后的一束光信号通过光接口发射出去。 实施例四: 本实施例中提供了一种多通道光电收发模块, 请参见图 9, 该多通道光电收发模 块包括: 光路分合处理单元 901, 光电通道处理单元 902和串 /并转换单元 903 ; 在接收方向: 光路分合处理单元 901将接收到的光信号分路处理为多路的光信号, 并将所述多 路的光信号传输至光电通道处理单元 902; 在本实施例中,光路分合处理单元 901具有光功分复用功能和 /或光波分复用功能, 也即光路分合处理单元 901可将接收到的光信号根据光信号的分配的功率和 /或波长进 行分路处理, 当然, 在本实施例中优选但不限于仅采用根据光信号的分配的功率和 / 或波长进行分路处理, 还可以根据光信号的强度等属性, 具体的分路根据系统设置获 取用户需求进行设置, 在此不再多于赘述。 在本实施例中, 优选地, 光路分合处理单元 901将接收到的光信号根据光信号的 分配的功率和 /或波长分出多路的光信号, 并将该多路的光信号发送到光电通道处理单 元 902。 进一步地, 光电通道处理单元 902将接收到的所述多路的光信号转换为多路并行 的电信号, 并将所述多路并行的电信号传输至串 /并转换单元 903 ; 在本实施例中, 光 电通道处理单元 902将多路的光信号处理为多路并行的电信号的过程包括: 将多路的 光信号处理为多路并行的数据帧结构的电信号(以下表述为多路并行的数据帧结构), 该数据帧结构包括接收帧头和接收通道的数据。 进一步地, 串 /并转换单元 903将接收到的多路并行的电信号转换为一路串行的电 信号; 在本实施例中, 将多路并行的电信号转换为一路串行的电信号的过程为: 根据 多路并行的数据帧结构中的接收帧头获取所有接收通道的数据, 将获取到的接收通道 的数据优选按照数据所处位置 (通道顺序) , 或者数据内容进行串行排序从而组成一 个串行的数据列; 将组成的串行数据列作为串行的数据帧结构中的数据部分, 同时, 形成新的串行的数据帧头并将其增加到组成的串行的数据列中, 从而形成一路串行的 数据帧结构。 在本实施例中, 将获取到的接收通道的数据也可以随机地进行串行的数 据列的组成。 在发射方向: 进一步地, 串 /并转换单元 903将接收到的需要发射的一路串行的电信号转换为多 路并行的电信号, 并将所述多路并行的电信号发送至光电通道处理单元 902; 在本实 施例中, 接收到需要发射的一路串行的电信号为数据帧结构 (以下表述为一路串行的 数据帧结构) , 该一路串行的数据帧结构包括串行发射帧头和至少一个发射通道的数 据; 根据该一路串行的数据帧结构中发射通道的数据的通道顺序或者是数据内容, 将 其分为多路并行的数据帧结构进行处理。 在本实施例中, 光电通道处理单元 902包括电光信号转换的功能, 即光电通道处 理单元 902接收到多路并行的电信号后, 会将接收到的多路并行的电信号转换为多路 的光信号, 并将多路的光信号发送至光路分合处理单元 901。 在本实施例中,光路分合处理单元 901至少包括光功复用功能和 /或光波复用功能, 因此, 在接收到多路的光信号之后, 根据接收到的多路的光信号的分配的功率和 /或波 长将多路的光信号合路为一束光信号, 当然, 在本实施例中, 将接收到的多路光信号 合路处理为一束光信号还可以根据多路的光信号的光强度等属性, 在本实施例中, 对 多路的光信号进行合路处理的方式不限于本实施例中列举的上述几种。 在本实施例中, 光电通道处理单元 902包括至少一个光电接收通道和至少一个电 光发射通道; 在本实施例中, 光电接收通道设置为将接收到的光信号转换为电信号, 并将所述 电信号传输至串 /并转换单元 903 ; 在本实施例中, 优选当该光电接收通道为两个时, 分别将两路并行的光信号转换为两路并行的电信号; 当光电接收通道为多个时, 分别 将多路的光信号转换为多路并行的电信号。 电光发射通道设置为将接收到的电信号转换为光信号, 并将所述光信号发送至光 路分合处理单元 901 ; 在本实施例中, 优选电光发射通道的数量与光电接收通道的数量相同, 当然也可 以不相同, 例如, 在接收方向, 可以优选将多路的光信号通过多个光电接收通道进行 处理; 在发射方向可以将多路并行的电信号通过一个电光发射通道进行处理; 当然, 优选是将多路并行的电信号通过多路并行的电光发射通道进行处理。 具体的通道设置 方式, 在本实施例中不做限定, 只要在本申请的启示下想到采用多通道的方式对光电 信号进行处理的方式都属于本申请请求保护的范围。 进一步地, 在本实施例中, 一路串行数据帧结构和多路并行数据帧结构中都包括 通道工作信息, 该通道工作信息包括通道工作模式信息、 通道信号调制格式信息、 通 道数据传输速率信息、 通道工作波长信息以及工作通道数量信息中的至少一种, 在本 实施例中, 优选地, 该通道工作信息内容不限于上述提及的几种, 还可以灵活的调整, 具体调整的方式可以是通过链接外部接口的管理器提供的控制命令进行调整, 也可以 在系统中设置包含有调整规则或命令的管理模块对通道工作信息进行调整。 当然, 也 可通过硬件形式的调整或者是软件形式的调整。 在本实施例中对通道工作信息的内容 以及具体调整方式不做严格限定, 只要在本申请启示下能够想到的通道工作信息内容 和调整方式都属于本申请请求保护的范围。 优选地, 在本实施例中, 数据帧结构中的通道工作信息可以位于数据帧结构的帧 头部位也可位于通道的数据部分。 为了对本实施例中多通道光电收发模块做进一歩说明, 请参见图 10, 为本实施例 提供的多通道光电收发模块进行数据传输的结构示意图, 在本实施例的该结构示意图 中优选包括一个光接口, 一个多通道光电收发模块以及一个电接口, 多通道光电收发 模块包括: 光路分合处理单元 901, 光电通道处理单元 902和串 /并转换单元 903, 在 本实施例中, 光电通道处理单元 902又包括至少一个光电接收通道和至少一个电光发 射通道。 在本实施例中, 具体的数据传输包括: 在接收方向: 光路分合处理单元 901从光接口接收光信号后,根据光信号的分配的功率和 /或波 长将接收到的光信号分路处理为多路的光信号, 然后将该多路的光信号分发给光电通 道处理单元 902。 光电通道处理单元 902包括至少一个光电接收通道和至少一个电光发射通道, 其 中, 一个光电接收通道和一个电光发射通道组成一个小的光电处理单元。 光电通道处 理单元 902中的多个光电接收通道接收分发过来的多路的光信号, 将接收到的多路的 光信号转换处理为多路并行的电信号,该多路并行的电信号为多路并行的数据帧结构, 其中, 该多路并行的数据帧结构的每一路数据帧结构中都包括帧头和对应通道数据; 光电通道处理单元 902将转换后的多路并行的电信号传输给串 /并转换单元 903。 在本实施例中, 串 /并转换单元 903具有串并转换功能和并串转换功能; 在本实施 例的接收方向主要启用并串转换功能。 串 /并转换单元 903将接收到的多路并行的电信号转换为一路串行的电信号。 在发射方向: 串 /并转换单元 903主要启用串并转换功能, 即设置为将接收到的需要发射的一路 串行的电信号转换为多路并行的电信号, 并将该多路并行的电信号转换的光电通道处 理单元 902中的多个电光发射通道进行处理。 光电通道处理单元 902中的多个电光发射通道接收到该多路并行的电信号以后, 将该电信号利用光电转换技术处理为多路的光信号, 然后将该光信号发送到光路分合 处理单元 901进行合路处理。 光路分合处理单元 901优选根据多路的光信号的分配的功率和 /或波长,将接收到 的多路的光信号合路为一束光信号, 并发射到光接口。 在本实施例中, 优选地, 多通道光电收发模块进一步包括同步单元和管理单元, 其中, 该同步单元设置为保证多通道光电收发模块中各个单元之间时钟同步, 管理单 元设置为对多通道光电收发模块中各个单元的工作模式进行管理, 同时, 主要还设置 为进行光电通道处理单元 902中通道工作信息的管理, 该通道工作信息包括通道工作 模式信息、 通道信号调制格式信息、 通道数据传输速率信息、 通道工作波长信息以及 工作通道数量信息中的至少一种。 在本实施例中, 优选地, 该同步单元和管理单元可以位于多通道光电收发模块系 统内部, 通过软件或硬件实现; 也可位于多通道光电收发模块系统外部通过外部接口 来实现。 在本实施例中, 优选同步单元和管理单元可以位于多通道光电收发模块系统 内部, 通过软件实现。 实施例五: 本实施例提供了一种多通道光电收发模块设备, 具体的是将多通道光电收发模块 堆叠的一种应用, 该设备包括: 至少两个实施例四中所述的多通道光电收发模块和光路分合处理器; 在本实施例中,光路分合处理器设置为根据光信号的波长和 /或分配的功率将接收 到的光信号分路为多路的光信号, 并将所述多路的光信号分发给至少两个多通道光电 收发模块; 多通道光电收发模块设置为将接收到的光电信号采用实施例一或实施例三中的方 法进行光电信号的多通道分合路处理; 具体的: 在接收方向, 所述多通道光电收发模 块设置为将接收到的光信号进行多通道分路处理; 在发射方向, 所述多通道光电收发 模块设置为将接收到的电信号进行多通道合路处理。 以上内容是结合具体的实施方式对本发明所作的进一步详细说明, 不能认定本发 明的具体实施只局限于这些说明。 对于本发明所属技术领域的普通技术人员来说, 在 不脱离本发明构思的前提下, 还可以做出若干简单推演或替换, 都应当视为属于本发 明的保护范围。 工业实用性 如上所述, 本发明实施例提供的一种光电接收、发射方法、 装置, 光电收发方法、 模块、设备具有以下有益效果:采用多通道的处理技术对接收到的光电信号进行处理, 避免了现有技术中当光网络的容量较大时, 采用堆叠技术而造成的光网络系统物理接 口数量较大和接口插拔困难的问题。

Claims

权 利 要 求 书
1. 一种光电接收方法, 包括: 接收光接口传输过来的光信号, 将所述光信号分路为多路的光信号; 将所述多路的光信号处理为多路并行的电信号;
将所述多路并行的电信号转换为一路串行的电信号,并将其传输到电接口。
2. 如权利要求 1所述的光电接收方法, 其中, 将接收到的所述光信号分路处理为 多路的光信号的方式包括:
根据所述光信号的波长和 /或分配的功率将接收到的光信号分为多路的光 信号。
3. 如权利要求 1所述的光电接收方法, 其中, 所述将所述多路的光信号处理为多 路并行的电信号的过程包括: 将所述多路的光信号处理为多路并行的数据帧结 构的电信号, 所述数据帧结构包括接收帧头和接收通道的数据。
4. 如权利要求 3所述的光电接收方法, 其中, 所述将所述多路并行的电信号转换 为一路串行的电信号的过程为:
根据所述多路并行的数据帧结构中的接收帧头获取多路并行的接收通道的 数据;
将获取的所述多路并行的接收通道的数据处理为一路串行的数据帧结构, 所述一路串行的数据帧结构包括串行接收帧头和至少一个接收通道数据。
5. 如权利要求 3或 4所述的光电接收方法, 其中, 数据帧结构的帧头或接收通道 的数据中还包括通道工作信息; 所述通道工作信息包括通道工作模式信息、 通 道信号调制格式信息、 通道数据传输速率信息、 通道工作波长信息以及工作通 道数量信息中的至少一种。
6. 一种光电接收模块, 包括光分路处理单元, 光电处理单元以及并串转换单元; 所述光分路处理单元设置为将光接口传输过来的光信号分路为多路的光信 号, 并将其传输到光电处理单元;
所述光电处理单元设置为将接收到的所述多路的光信号处理为多路并行的 电信号, 并将其传输给并串转换单元; 所述并串转换单元设置为将接收到的所述多路并行的电信号转换为一路串 行的电信号, 并将其传输到电接口。
7. 如权利要求 6所述的光电接收模块, 其中, 光分路处理单元将接收到的光信号 分路为多路的光信号的方式包括:根据所述光信号的波长和 /或分配的功率将接 收到的光信号分为多路的光信号。
8. 一种电光发射方法, 包括: 接收电接口传输过来需要发射的一路串行的电信号, 并将所述一路串行的 电信号转换为多路并行的电信号;
将所述多路并行的电信号处理为多路的光信号; 将所述多路的光信号合路为一束光信号, 并将所述一束光信号发射到光接 曰。
9. 如权利要求 8所述的电光发射方法, 其中, 所述一路串行的电信号为数据帧结 构, 所述数据帧结构包括串行发射帧头和至少一个发射通道的数据;
所述将所述一路串行的电信号转换为多路并行的电信号过程包括: 根据一路串行的数据帧结构中的串行发射帧头获取所述发射通道的数据; 将获取的所述发射通道的数据处理为多路并行的数据帧结构, 该数据帧结 构包括发射帧头和发射通道数据。
10. 如权利要求 9所述的电光发射方法, 其中, 数据帧结构的帧头或发射通道的数 据中还包括通道工作信息; 所述通道工作信息包括通道工作模式信息、 通道信 号调制格式信息、 通道数据传输速率信息、 通道工作波长信息以及工作通道数 量信息中的至少一种。
11. 一种电光发射模块, 包括串并转换单元, 电光处理单元和光合路处理单元; 所述串并转换单元设置为将电接口传输过来需要发射的一路串行的电信号 转换为多路并行的电信号后,并将所述多路并行的电信号传输至电光处理单元; 所述电光处理单元设置为将接收到的所述多路并行的电信号处理为多路的 光信号, 并将其传输至光合路处理单元; 所述光合路处理单元设置为将接收到的所述多路的光信号合路为一束光信 号, 并将所述一束光信号发射到光接口。
12. 如权利要求 11所述的电光发射模块,其中,所述光合路处理单元将所述多路的 光信号合路为一束光信号的方式包括:
根据多路的光信号的波长和 /或分配的功率将所述多路的光信号合路为一 束光信号。
13 .一种多通道光电收发方法, 包括: 在接收方向:
接收光接口传输过来的光信号, 将所述光信号分路为多路的光信号; 将所述多路的光信号处理为多路并行的电信号;
将所述多路并行的电信号转换为一路串行的电信号, 并将所述一路串行的 电信号传输到电接口;
在发射方向: 接收电接口传输过来需要发射的一路串行的电信号, 将所述一路串行的电 信号转换为多路并行的电信号;
将所述多路并行的电信号处理为多路的光信号;
将所述多路的光信号合路为一束光信号, 并将所述一束光信号发射到光接 曰。
14. 一种多通道光电收发模块, 包括: 光路分合处理单元, 光电通道处理单元和串 / 并转换单元; 在接收方向:
所述光路分合处理单元设置为将从光接口接收到的光信号分路为多路的光 信号, 并将所述多路的光信号传输至光电通道处理单元;
所述光电通道处理单元设置为将接收到的所述多路的光信号处理为多路并 行的电信号, 并将所述多路并行的电信号传输至串 /并转换单元;
所述串 /并转换单元设置为将所述多路并行的电信号转换为一路串行的电 信号, 并将所述一路串行的电信号传输到电接口;
在发射方向: 所述串 /并转换单元设置为将从电接口接收到的需要发射的一路串行的电 信号转换为多路并行的电信号, 并将所述多路并行的电信号发送至光电通道处 理单元; 所述光电通道处理单元设置为将接收到的所述多路并行的电信号处理为多 路的光信号, 并将所述多路的光信号发送至光路分合处理单元; 所述光路分合处理单元设置为将所述多路的光信号合路为一束光信号, 并 将所述一束光信号发射到光接口。
15. 如权利要求 14所述的多通道光电收发模块, 其中, 在接收方向:光路分合处理单元根据光信号的波长和 /或分配的功率将从光 接口接收到的光信号分路为多路的光信号;
在发射方向:光路分合处理单元根据光信号的波长和 /或分配的功率将所述 多路的光信号合路为一束光信号。
16. 如权利要求 14所述的多通道光电收发模块, 其中, 在接收方向: 光电通道处理单元将接收到的所述多路的光信号处理为多路 并行的电信号的过程包括: 将所述多路的光信号处理为多路并行的数据帧结构 的电信号, 所述数据帧结构包括接收帧头和接收通道的数据;
所述串 /并转换单元将所述多路并行的电信号转换为一路串行的电信号的 过程为: 根据所述多路并行的数据帧结构中的接收帧头获取多路并行的接收通 道的数据;
将获取的所述多路并行的接收通道的数据处理为一路串行的数据帧结构, 该数据帧结构包括串行接收帧头和至少一个接收通道的数据;
在发射方向: 所述一路串行的电信号为数据帧结构, 所述数据帧结构包括 串行发射帧头和至少一个发射通道的数据;
所述串 /并转换单元将从电接口接收到的需要发射的一路串行的电信号转 换为多路并行的电信号的过程包括:
根据一路串行的数据帧结构中的串行发射帧头获取发射通道的数据; 将获取的所述发射通道的数据处理为多路并行的数据帧结构, 该数据帧结 果包括发射帧头和发射通道的数据。
17. 如权利要求 16所述的多通道光电收发模块, 其中, 在接收方向: 数据帧结构的帧头或者接收通道的数据中还包括通道工作信 息; 所述通道工作信息包括通道工作模式信息、 通道信号调制格式信息、 通道 数据传输速率信息、 通道工作波长信息以及工作通道数量信息中的至少一种; 在发射方向: 数据帧结构的帧头或者发射通道的数据中还包括通道工作信 息; 所述通道工作信息包括通道工作模式信息、 通道信号调制格式信息、 通道 数据传输速率信息、 通道工作波长信息以及工作通道数量信息中的至少一种。
18. 一种光电收发设备, 包括:
至少两个权利要求 14至 17中任一项所述的多通道光电收发模块和光路分 合处理器;
所述光路分合处理器设置为将接收到的光信号分路为多路的光信号, 并将 所述多路的光信号分发给至少两个多通道光电收发模块;
在接收方向, 所述多通道光电收发模块设置为将接收到的光信号进行多通 道分路处理; 在发射方向, 所述多通道光电收发模块设置为将接收到的电信号进行多通 道合路处理。
PCT/CN2014/084943 2014-06-17 2014-08-21 光电接收、发射方法、装置,光电收发方法、模块、设备 Ceased WO2015192467A1 (zh)

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