CN101783980A - Optical transmission device and passive optical network system - Google Patents
Optical transmission device and passive optical network system Download PDFInfo
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- CN101783980A CN101783980A CN201010133651A CN201010133651A CN101783980A CN 101783980 A CN101783980 A CN 101783980A CN 201010133651 A CN201010133651 A CN 201010133651A CN 201010133651 A CN201010133651 A CN 201010133651A CN 101783980 A CN101783980 A CN 101783980A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
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- H04Q11/0071—Provisions for the electrical-optical layer interface
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Abstract
The invention relates to an optical transmission device device and a passive optical network (PON) system. The optical transmission device comprises a first signal-processing module, a first service-processing module and a first central control module, wherein the first signal-processing module is used for communicating with an optical line terminal (OLT) by the optical distribution network (ODN)-simulating function, receiving a PON service signal and encapsulating the PON service signal into an optical transmission signal in a standard format, the first service-processing module is connected with the first signal-processing module for the service line treatment of the optical transmission signal in the standard format, and the first central control module is respectively connected with the first signal-processing module and the first service-processing module for controlling the operation of various modules. By arranging the simulation units with the ODN-simulating function and the OLT-simulating function, the invention realizes the seamless connection of the PON system and can ensure the correct response of both parties of a hybrid system and satisfy the requirement of the hybrid system.
Description
Technical field
The present invention relates to the Optical Access Network technical field, be specifically related to a kind of light transmitting device and passive optical network.
Background technology
EPON (Passive Optical Network, be called for short PON) technology is the continuous broadband access technology of a kind of super quality and competitive price of development in recent years.Fig. 1 is the structural representation of prior art PON system.As shown in Figure 1, existing PON system generally includes optical line terminal (Optical Line Terminal, abbreviation OLT), optical network unit (Optical Network Unit, be called for short ONU) and optical distribution network (Optical Distributed Network, be called for short ODN), transmission signals is handled and converted to business at first at OLT, transmission signals is transferred on the optical splitter of ODN by optical link (optical fiber), optical splitter separates each client's signal, and then by optical link client's signal is delivered among the ONU.Wherein, OLT is arranged on central machine room, handles as the exchange of PON service processing equipment and responsible PON service signal, and be a switch or router, still a multi-service provides platform simultaneously, can also carry out allocated bandwidth, network security and administration configuration at different user.ODN mainly connects OLT and ONU by one or several optical splitters (Splitter), its function is the distribution downlink data and concentrates upstream data, mainly be each client's signal separately, be sent to ONU again, the also responsible simultaneously signal of each ONU is converged again is sent on the optical link.ONU is each client's a client, be responsible for to handle the signal that optical splitter sends, and makes conversion of signals become the client can the actual signal that uses.
In order to increase substantially transmission range and to improve transmission capacity, prior art has proposed the hybrid system of a kind of PON system and optical transmission system, this hybrid system is between OLT and ODN optical transmission device to be set, the optical transmission device of system side is positioned at after the OLT, and the optical transmission device of end side is positioned at before the ODN.In hybrid system, the professional optical transmission device of sending into system side after OLT handles carries out signal processing by the optical transmission device of system side, and the PON service signal is packaged into the optical transmission signal of reference format, carries out long-distance transmissions then.After signal arrives the destination, handle by the optical transmission device of end side earlier, the optical transmission signal of reference format is reduced into the PON service signal, be sent to ONU by traditional approach again through ODN at last.
In the existing PON system, the communication between OLT and the ODN limits if having time and waits requirement, after hybrid system is provided with light transmitting device, because the time-delay of light transmitting device, makes to have hybrid system now and have technological deficiencies such as both sides' response time does not meet the demands.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of light transmitting device and passive optical network, effectively solves the technological deficiency that response time does not meet the demands in the existing hybrid system.
For solving the problems of the technologies described above, the invention provides a kind of light transmitting device, comprising:
First signal processing module is used for carrying out communication and receiving the PON service signal by simulated light distribution network function and optical line terminal, described PON service signal is packaged into the optical transmission signal of reference format;
First Service Processing Module is connected with described first signal processing module, is used for the optical transmission signal of described reference format is carried out upward circuit processing of business;
First Central Control Module is connected with first Service Processing Module with described first signal processing module respectively, is used to control the operation of each module.
Further, described first signal processing module comprises:
First analogue unit is connected with described first Central Control Module, has simulated light distribution network function, is used for carrying out communication and receiving the PON service signal by simulated light distribution network function and optical line terminal;
First encapsulation unit is connected with described first analogue unit, first Service Processing Module and first Central Control Module respectively, is used for described PON service signal is packaged into the optical transmission signal of reference format.
Further, described first analogue unit comprises that the first center processing subelement, OLT message pick-up subelement, OLT information send subelement, actual ONU message pick-up subelement and OLT and replys subelement, wherein:
OLT message pick-up subelement is connected with the first center processing subelement, is used for receiving OLT information from OLT, and sends to the first center processing subelement;
OLT information sends subelement, is connected with the first center processing subelement, is used for receiving OLT information from the first center processing subelement, and sends on the optical link;
Actual ONU message pick-up subelement is connected with the first center processing subelement, is used for receiving actual ONU information from optical link, and sends to the first center processing subelement;
OLT replys subelement, is connected with the first center processing subelement, is used for the instruction according to the first center processing subelement, and the ONU information of reality or the ONU information of simulation are sent to OLT;
The first center processing subelement, be used to receive OLT information and be transmitted to OLT information and send subelement, information analysis goes out the ONU tabulation that needs are handled according to OLT, the ONU information that obtains simulation is handled in tabulation to ONU, judge whether to receive actual ONU information that when receiving, control OLT replys subelement and sends actual ONU information, confiscate then, control OLT replys the ONU information that subelement sends simulation.
For solving the problems of the technologies described above, the present invention also provides another kind of light transmitting device, comprising:
Second Service Processing Module is used for the optical transmission signal of reference format is carried out circuit processing under the business;
The secondary signal processing module is connected with described second Service Processing Module, is used for the optical transmission signal deblocking of described reference format is dressed up the PON service signal, carries out communication and sends described PON service signal by OLT-simulating function and optical distribution network;
Second Central Control Module is connected with second Service Processing Module with described secondary signal processing module respectively, is used to control the operation of each module.
Further, described secondary signal processing module comprises:
Second encapsulation unit is connected with second Service Processing Module with described second Central Control Module respectively, is used for the optical transmission signal deblocking of described reference format is dressed up the PON service signal;
Second analogue unit is connected with second Central Control Module with described second encapsulation unit respectively, has OLT-simulating function, is used for carrying out communication and sending the PON service signal by OLT-simulating function and optical distribution network.
Further, described second analogue unit comprises that the second center processing subelement, ONU message pick-up subelement, ONU information send subelement, actual OLT message pick-up subelement and synthetic OLT information and sends subelement, wherein:
ONU message pick-up subelement is connected with the second center processing subelement, is used for receiving ONU information from ODN, and sends to the second center processing subelement;
ONU information sends subelement, is connected with the second center processing subelement, is used for receiving ONU information from the second center processing subelement, and sends on the optical link;
Actual OLT message pick-up subelement is connected with the second center processing subelement, is used for receiving actual OLT information from optical link, and sends to the second center processing subelement;
The second center processing subelement, be used to receive ONU information and actual OLT information, ONU information is transmitted to ONU information sends subelement, the OLT information of reality is handled, obtain synthetic OLT information and send to synthetic OLT information to send subelement according to ONU information;
Synthetic OLT information sends subelement, is connected with the second center processing subelement, is used for receiving synthetic OLT information and sending to ODN from the second center processing subelement.
For solving the problems of the technologies described above, the present invention also provides another light transmitting device, comprising:
First signal processing module is used for carrying out communication and receiving the PON service signal by simulated light distribution network function and optical line terminal, the PON service signal is packaged into the optical transmission signal of reference format;
The secondary signal processing module is used for the optical transmission signal deblocking of reference format is dressed up the PON service signal, carries out communication and sends the PON service signal by OLT-simulating function and optical distribution network;
Service Processing Module is connected with the secondary signal processing module with described first signal processing module respectively, is used for the optical transmission signal of reference format is carried out business upward circuit processing or the processing of professional circuit down;
Central Control Module is connected with Service Processing Module with described first signal processing module, secondary signal processing module respectively, is used to control the operation of each module.
Further, described first signal processing module comprises:
First analogue unit is connected with described Central Control Module, has simulated light distribution network function, is used for carrying out communication and receiving the PON service signal by simulated light distribution network function and optical line terminal;
First encapsulation unit is connected with Central Control Module with described first analogue unit, Service Processing Module respectively, is used for described PON service signal is packaged into the optical transmission signal of reference format.
Further, described first analogue unit comprises that the first center processing subelement, OLT message pick-up subelement, OLT information send subelement, actual ONU message pick-up subelement and OLT and replys subelement, wherein:
OLT message pick-up subelement is connected with the first center processing subelement, is used for receiving OLT information from OLT, and sends to the first center processing subelement;
OLT information sends subelement, is connected with the first center processing subelement, is used for receiving OLT information from the first center processing subelement, and sends on the optical link;
Actual ONU message pick-up subelement is connected with the first center processing subelement, is used for receiving actual ONU information from optical link, and sends to the first center processing subelement;
OLT replys subelement, is connected with the first center processing subelement, is used for the instruction according to the first center processing subelement, and the ONU information of reality or the ONU information of simulation are sent to OLT;
The first center processing subelement, be used to receive OLT information and be transmitted to OLT information and send subelement, information analysis goes out the ONU tabulation that needs are handled according to OLT, the ONU information that obtains simulation is handled in tabulation to ONU, judge whether to receive actual ONU information that when receiving, control OLT replys subelement and sends actual ONU information, confiscate then, control OLT replys the ONU information that subelement sends simulation.
Further, described secondary signal processing module comprises:
Second encapsulation unit is connected with Service Processing Module with described Central Control Module respectively, is used for the optical transmission signal deblocking of described reference format is dressed up the PON service signal;
Second analogue unit is connected with Central Control Module with described second encapsulation unit respectively, has OLT-simulating function, is used for carrying out communication and sending the PON service signal by OLT-simulating function and optical distribution network.
Further, described second analogue unit comprises that the second center processing subelement, ONU message pick-up subelement, ONU information send subelement, actual OLT message pick-up subelement and synthetic OLT information and sends subelement, wherein:
ONU message pick-up subelement is connected with the second center processing subelement, is used for receiving ONU information from ODN, and sends to the second center processing subelement;
ONU information sends subelement, is connected with the second center processing subelement, is used for receiving ONU information from the second center processing subelement, and sends on the optical link;
Actual OLT message pick-up subelement is connected with the second center processing subelement, is used for receiving actual OLT information from optical link, and sends to the second center processing subelement;
The second center processing subelement, be used to receive ONU information and actual OLT information, ONU information is transmitted to ONU information sends subelement, the OLT information of reality is handled, obtain synthetic OLT information and send to synthetic OLT information to send subelement according to ONU information;
Synthetic OLT information sends subelement, is connected with the second center processing subelement, is used for receiving synthetic OLT information and sending to ODN from the second center processing subelement.
For solving the problems of the technologies described above, the present invention also provides a kind of passive optical network, comprises the optical line terminal, optical distribution network and the optical network unit that connect successively by circuit, also comprises aforesaid light transmitting device; Described light transmitting device can be arranged between optical line terminal and the optical distribution network, and is positioned at after the optical line terminal; Described light transmitting device also can be arranged between optical line terminal and the optical distribution network, and is positioned at before the optical distribution network; Described light transmitting device can also be arranged between optical line terminal and the optical distribution network, and lay respectively at after the optical line terminal and optical distribution network before.
The invention provides a kind of light transmitting device and passive optical network, have simulated light distribution network function and analogue unit by setting with OLT-simulating function, make the present invention carry out communication by the optical line terminal in simulated light distribution network function and the PON system, carry out communication by the optical distribution network in OLT-simulating function and the PON system, realized the slitless connection of PON system, therefore can guarantee correctly replying of hybrid system both sides, satisfy the requirement of hybrid system.Advantage such as the present invention has that cost is low, integrated level is high, practical and versatility is good can further promote competitiveness of product and user's satisfaction, has a good application prospect and use value.
Description of drawings
Fig. 1 is the structural representation of prior art PON system;
Fig. 2 is the structural representation of light transmitting device first embodiment of the present invention;
Fig. 3 is the structural representation of light transmitting device first analogue unit of the present invention;
Fig. 4 is the structural representation of light transmitting device second embodiment of the present invention;
Fig. 5 is the structural representation of light transmitting device second analogue unit of the present invention;
Fig. 6 is the structural representation of light transmitting device the 3rd embodiment of the present invention;
Fig. 7 is the structural representation of embodiment of the invention passive optical network.
Embodiment
Below in conjunction with accompanying drawing, technical solution of the present invention is described in further details.
Fig. 2 is the structural representation of light transmitting device first embodiment of the present invention.As shown in Figure 2, the present embodiment light transmitting device comprises first Central Control Module 10, first signal processing module 11 and first Service Processing Module 12.Wherein, first signal processing module 11 is connected with first Central Control Module 10, is used for carrying out communication and receiving the PON service signal by simulation ODN function and OLT, the PON service signal is packaged into the optical transmission signal of reference format; First Service Processing Module 12 is connected with first signal processing module 11 with first Central Control Module 10 respectively, is used for from the optical transmission signal of first signal processing module, 11 acceptance criteria forms, the optical transmission signal of reference format is carried out business go up circuit and handle; First Central Control Module 10 is connected with first Service Processing Module 12 with first signal processing module 11 respectively, is used to control or change the operation of each module.
The light transmitting device that present embodiment provided is applied to the hybrid system of PON system and optical transmission system, is arranged on system side, and promptly the present embodiment light transmitting device is positioned at after the OLT, carries out the PON service signal being packaged into after the communication optical transmission signal of reference format.Particularly, present embodiment first signal processing module 11 comprises first analogue unit and first encapsulation unit, and first analogue unit has simulation ODN function, is used for carrying out communication and receiving the PON service signal by simulation ODN function and OLT; First encapsulation unit is connected with first Service Processing Module 12 with first analogue unit respectively, is used for receiving the PON service signal from first analogue unit, and the PON service signal is packaged into the optical transmission signal of reference format, and sends to first Service Processing Module 12; In addition, first analogue unit also is connected with first Central Control Module 10 respectively with first encapsulation unit.In the present embodiment, light transmitting device also comprises the functional module 13 that is connected with first Central Control Module 10, and functional module 13 is used to realize other function of light transmitting device, and its structure and effect are identical with functional module in the existing light transmitting device.
The course of work of present embodiment light transmitting device is: the OLT in the PON system is sent to the present embodiment light transmitting device with the PON service signal, first analogue unit in the present embodiment light transmitting device carries out communication by simulation ODN function and OLT, and reception PON service signal, this PON service signal is packaged into the optical transmission signal of reference format by first encapsulation unit, at last, first Service Processing Module carries out upward circuit processing of business to the optical transmission signal of reference format, sends on the optical link and transmits.
In existing PON system, requirements such as the communication between OLT and the ODN limits if having time, in order to solve existing hybrid system because the technological deficiency that light transmitting device is delayed time response time is not met the demands, present embodiment is by having the analogue unit of simulation ODN function in the system side setting, make the present embodiment light transmitting device carry out communication by the OLT in simulation ODN function and the PON system, realized light transmitting device and PON system slitless connection in system side, therefore can guarantee correctly replying of hybrid system both sides, satisfy the requirement of hybrid system.
Fig. 3 is the structural representation of light transmitting device first analogue unit of the present invention.As shown in Figure 3, present embodiment first analogue unit comprises that the first center processing subelement, OLT message pick-up subelement, OLT information send subelement, actual ONU message pick-up subelement and OLT and replys subelement.Wherein, OLT message pick-up subelement is connected with the first center processing subelement, is used for receiving OLT information from OLT, and sends to the first center processing subelement.OLT information sends subelement and is connected with the first center processing subelement, is used for receiving OLT information from the first center processing subelement, and sends on the optical link.Actual ONU message pick-up subelement is connected with the first center processing subelement, is used for receiving actual ONU information from optical link, and sends to the first center processing subelement.OLT replys subelement and is connected with the first center processing subelement, is used for the instruction according to the first center processing subelement, and the ONU information of reality or the ONU information of simulation are sent to OLT.The first center processing subelement is used to receive OLT information and is transmitted to OLT information transmission subelement, information analysis goes out the ONU tabulation that needs are handled according to OLT, the ONU information that obtains simulation is handled in tabulation to ONU, judge whether to receive actual ONU information, when receiving, control OLT replys subelement and sends actual ONU information, confiscates then, and control OLT replys the ONU information that subelement sends simulation.
The workflow of present embodiment first analogue unit is: OLT message pick-up subelement receives OLT information from OLT, and sends to the first center processing subelement; After the first center processing subelement received OLT information, information analysis went out the ONU tabulation that needs are handled according to OLT, and the ONU information that obtains simulation is handled in tabulation successively to ONU; After the processing, the first center processing subelement is transmitted to OLT information transmission subelement with OLT information and controls it and transmit to opposite equip. by optical link on the one hand, judge whether on the other hand to receive ONU information from the reality of opposite equip. from actual ONU message pick-up subelement, when receiving, control OLT replys subelement and sends actual ONU information, confiscate then, control OLT replys the ONU information that subelement sends simulation.By said process, present embodiment first analogue unit has realized that simulation ODN function and OLT carry out communication.
In the practical application, the having simulation ODN function and can be accomplished in several ways modes such as for example pure software simulation, fpga logic simulation, special chip simulation or mixed form simulation of present embodiment first analogue unit.The pure software simulation is to increase corresponding program in CPU, simulates the ODN function with software; The fpga logic simulation is to use fpga logic to realize the ODN function, and CPU increases the control to fpga logic; The special chip simulation is to use special chip to realize the ODN function, increases the control to special chip in CPU; Mixed form simulation is respectively to finish a part of ODN functional simulation by software and fpga logic or software and special chip, joins together to realize complete functional simulation.In the present embodiment, to handle be to send on the optical link after the data that will receive split, recombinate and pack to transmit to circuit on the business, and processes such as this processing procedure and relevant communication and encapsulation have been understood by those skilled in the art, repeat no more here.
The present embodiment light transmitting device can be realized by increase corresponding function in existing light transmitting device, promptly increases simulated light distribution network function in existing light transmitting device, increases corresponding control at first Central Control Module (also claiming cpu controller) simultaneously.Accumulation with prior art hardware and software technology can realize relevant the transformation fully, and has advantages such as cost is low, integrated level is high, practical.
Fig. 4 is the structural representation of light transmitting device second embodiment of the present invention.As shown in Figure 4, the present embodiment light transmitting device comprises second Central Control Module 20, secondary signal processing module 21 and second Service Processing Module 22.Wherein, second Service Processing Module 22 is connected with second Central Control Module 20, is used for the optical transmission signal of reference format is carried out circuit processing under the business, sends the optical transmission signal of reference formats to secondary signal processing module 21; Secondary signal processing module 21 is connected with second Service Processing Module 22 with second Central Control Module 20 respectively, be used for the optical transmission signal deblocking of reference format is dressed up the PON service signal, carry out communication and send the PON service signal by simulation OLT function and ODN; Second Central Control Module 20 is connected with second Service Processing Module 22 with secondary signal processing module 21 respectively, is used to control or change the operation of each module.
The light transmitting device that present embodiment provided is applied to the hybrid system of PON system and optical transmission system, is arranged on end side, and promptly the present embodiment light transmitting device is positioned at before the ODN, and the optical transmission signal deblocking of reference format is dressed up the PON service signal.Particularly, present embodiment secondary signal processing module 21 comprises second analogue unit and second encapsulation unit, second encapsulation unit is connected with second Service Processing Module 22, be used for the optical transmission signal deblocking of reference format being dressed up the PON service signal from the optical transmission signal of second Service Processing Module, 22 acceptance criteria forms; Second analogue unit is connected with second encapsulation unit, has simulation OLT function, is used for carrying out communication by simulation OLT function and ODN, sends the PON service signal to ODN; In addition, second analogue unit also is connected with second Central Control Module 20 respectively with second encapsulation unit.In the present embodiment, light transmitting device also comprises the functional module 23 that is connected with second Central Control Module 20, and functional module 23 is used to realize other function of light transmitting device, and its structure and effect are identical with functional module in the existing light transmitting device.
The course of work of present embodiment light transmitting device is: after the optical transmission signal of reference format is sent to the destination by optical link, carry out circuit processing under the business by second Service Processing Module in the present embodiment light transmitting device earlier, obtain the optical transmission signal of reference format, after the optical transmission signal of this reference format is dressed up the PON service signal by the second encapsulation unit deblocking, carry out communication by second analogue unit by simulation OLT function and ODN, the PON service signal is sent to ODN.
In existing PON system, requirements such as the communication between OLT and the ODN limits if having time, in order to solve existing hybrid system because the technological deficiency that light transmitting device is delayed time response time is not met the demands, present embodiment is by having the analogue unit of simulation OLT function in the end side setting, make the present embodiment light transmitting device carry out communication by the ODN in simulation OLT function and the PON system, realized light transmitting device and PON system slitless connection in end side, therefore can guarantee correctly replying of hybrid system both sides, satisfy the requirement of hybrid system.
Fig. 5 is the structural representation of light transmitting device second analogue unit of the present invention.As shown in Figure 5, present embodiment second analogue unit comprises that the second center processing subelement, ONU message pick-up subelement, ONU information send subelement, actual OLT message pick-up subelement and synthetic OLT information and sends subelement.Wherein, ONU message pick-up subelement is connected with the second center processing subelement, is used for receiving ONU information from ODN, and sends to the second center processing subelement.ONU information sends subelement and is connected with the second center processing subelement, is used for receiving ONU information from the second center processing subelement, and sends on the optical link.Actual OLT message pick-up subelement is connected with the second center processing subelement, is used for receiving actual OLT information from optical link, and sends to the second center processing subelement.The second center processing subelement is used to receive ONU information and actual OLT information, ONU information is transmitted to ONU information sends subelement, according to ONU information the OLT information of reality is handled, obtained synthetic OLT information and send to synthetic OLT information to send subelement.Synthetic OLT information sends subelement and is connected with the second center processing subelement, is used for receiving synthetic OLT information and sending to ODN from the second center processing subelement.
The workflow of present embodiment second analogue unit is: ONU message pick-up subelement receives ONU information from ODN, and sending to the second center processing subelement, actual OLT message pick-up subelement sends to the second center processing subelement after optical link receives actual OLT information simultaneously.The second center processing subelement is handled the OLT information of reality according to ONU information after receiving the OLT information of ONU information and reality, obtains synthetic OLT information; After the processing, the second center processing subelement is transmitted to ONU information transmission subelement with ONU information and controls it and transmit to opposite equip. by optical link on the one hand, on the other hand synthetic OLT information is sent to synthetic OLT information transmission subelement and control it to send to ODN.By said process, present embodiment second analogue unit has realized that simulation OLT function and ODN carry out communication.
In the practical application, the having simulation OLT function and can be accomplished in several ways modes such as for example pure software simulation, fpga logic simulation, special chip simulation or mixed form simulation of present embodiment second analogue unit.The pure software simulation is to increase corresponding program in CPU, simulates the OLT function with software; The fpga logic simulation is to use fpga logic to realize the OLT function, and CPU increases the control to fpga logic; The special chip simulation is to use special chip to realize the OLT function, increases the control to special chip in CPU; Mixed form simulation is respectively to finish a part of OLT functional simulation by software and fpga logic or software and special chip, joins together to realize complete functional simulation.In the present embodiment, it is to receive data from optical link that professional circuit is down handled, the data that receive are carried out business unpack, split and processing such as reorganization, processes such as this processing procedure and relevant communication and decapsulation have been understood by those skilled in the art, repeat no more here.
The present embodiment light transmitting device can be realized by increase corresponding function in existing light transmitting device, promptly increases simulation OLT function in existing light transmitting device, increases corresponding control at Central Control Module (also claiming cpu controller) simultaneously.Accumulation with prior art hardware and software technology can realize relevant the transformation fully, and has advantages such as cost is low, integrated level is high, practical.
Fig. 6 is the structural representation of light transmitting device the 3rd embodiment of the present invention.As shown in Figure 6, the present embodiment light transmitting device comprises Central Control Module 30, first signal processing module 11, secondary signal processing module 21 and Service Processing Module 40.Wherein, first signal processing module 11 is connected with Central Control Module 30, is used for carrying out communication and receiving the PON service signal by simulation ODN function and OLT, the PON service signal is packaged into the optical transmission signal of reference format; Secondary signal processing module 21 is connected with Central Control Module 30, is used for the optical transmission signal deblocking of reference format is dressed up the PON service signal, carries out communication and sends the PON service signal by simulation OLT function and ODN; Service Processing Module 40 is connected with secondary signal processing module 21 with Central Control Module 30, first signal processing module 11 respectively, be used for the optical transmission signal of reference format is carried out business upward circuit processing or the processing of professional circuit down, promptly from the optical transmission signal of first signal processing module, 11 acceptance criteria forms, optical transmission signal to reference format carries out upward circuit processing of business, or the optical transmission signal of reference format is carried out under the business circuit handle, send the optical transmission signal of reference formats to secondary signal processing module 21; Central Control Module 30 is connected with first signal processing module 11, secondary signal processing module 21 and Service Processing Module 40 respectively, is used to control or change the operation of each module.
The light transmitting device that present embodiment provided is applied to the hybrid system of PON system and optical transmission system, be arranged on system side or end side, be that the present embodiment light transmitting device can be positioned at after the OLT, the PON service signal is packaged into the optical transmission signal of reference format, also can be positioned at before the ODN, the optical transmission signal deblocking of reference format is dressed up the PON service signal.Present embodiment first signal processing module 11 comprises first analogue unit and first encapsulation unit, secondary signal processing module 21 comprises second analogue unit and second encapsulation unit, its structure, function and effect describe in detail in aforementioned two embodiment, repeat no more here.
The course of work of present embodiment light transmitting device is: the OLT in the PON system is sent to the present embodiment light transmitting device with the PON service signal, first analogue unit and OLT in the present embodiment light transmitting device carry out communication, and reception PON service signal, this PON service signal is packaged into the optical transmission signal of reference format by first encapsulation unit, afterwards, Service Processing Module carries out upward circuit processing of business to the optical transmission signal of reference format, sends on the optical link and transmits.After the optical transmission signal of reference format is sent to the destination by optical link, carry out circuit processing under the business by the Service Processing Module in the present embodiment light transmitting device earlier, obtain the optical transmission signal of reference format, after the optical transmission signal of this reference format is dressed up the PON service signal by the second encapsulation unit deblocking, carry out communication by second analogue unit and ODN, the PON service signal is sent to ODN.At last, ODN is sent to ONU according to traditional approach, finishes whole service and transmits.
In existing PON system, requirements such as the communication between OLT and the ODN limits if having time, in order to solve existing hybrid system because the technological deficiency that light transmitting device is delayed time response time is not met the demands, present embodiment is by having the analogue unit of simulation ODN function in the system side setting, the analogue unit that has simulation OLT function in the end side setting, make the present embodiment light transmitting device carry out communication by the OLT in simulation ODN function and the PON system, carry out communication by the ODN in simulation OLT function and the PON system, realized light transmitting device and PON system slitless connection in system side and end side, therefore can guarantee correctly replying of hybrid system both sides, satisfy the requirement of hybrid system.
In the present embodiment, the function of first Central Control Module and second Central Control Module among Central Control Module is integrated aforementioned two embodiment, the function of first Service Processing Module and second Service Processing Module among Service Processing Module is integrated aforementioned two embodiment, we can say that also the present embodiment structure is the organic assembling of aforementioned two example structure.Equally, because first encapsulation unit is close with the second encapsulation unit function, also can adopt the function of integrated first encapsulation unit of encapsulation unit and second encapsulation unit in actual the use, promptly first encapsulation unit and second encapsulation unit are structure as a whole.
The present embodiment light transmitting device can be realized by increase corresponding function in existing light transmitting device, promptly increasing simulation ODN function in existing light transmitting device realizes with simulation OLT function, not only have advantages such as cost is low, integrated level is high, practical, also has the good advantage of versatility, can further promote competitiveness of product and user's satisfaction, have a good application prospect and use value.
Fig. 7 is the structural representation of embodiment of the invention passive optical network.As shown in Figure 7, the present embodiment passive optical network comprises optical line terminal 1, optical distribution network 2, optical network unit 3, first light transmitting device 4 and second light transmitting device 5, optical line terminal 1 is used for operation exchange and handles and send the PON service signal, first light transmitting device 4 is connected with optical line terminal 1, be used to simulate the ODN function, the PON service signal is packaged into the optical transmission signal of reference format, second light transmitting device 5 is connected by optical link with first light transmitting device 4, be used to simulate the OLT function, the optical transmission signal deblocking of reference format is dressed up the PON service signal, optical distribution network 2 is connected with second light transmitting device 5, be used to distribute downlink data and concentrate upstream data, each client's signal is separated, optical network unit 3 is connected with optical distribution network 2, is used for becoming the client can the actual signal that uses conversion of signals.Particularly, optical line terminal 1 is arranged on central machine room, is a switch or router, and still a multi-service provides platform simultaneously, can also carry out allocated bandwidth, network security and administration configuration at different user.First light transmitting device 4 is arranged on after the optical line terminal 1 as the light transmitting device of system side, both can adopt the structure of light transmitting device first embodiment of the present invention, also can adopt the structure of light transmitting device the 3rd embodiment of the present invention.Second light transmitting device 5 is arranged on before the optical distribution network 2 as the light transmitting device of end side, both can adopt the structure of light transmitting device second embodiment of the present invention, also can adopt the structure of light transmitting device the 3rd embodiment of the present invention.Optical distribution network 2 comprises several optical splitters, and each optical splitter is connected with one second light transmitting device 5.Optical network unit 3 comprises several groups of clients, and each groups of clients comprises several clients, and several clients in each groups of clients are connected with an optical splitter respectively.
In the embodiment of the invention, optical line terminal, optical distribution network and optical network unit are all identical with equipment in the existing PON system, the structure of first light transmitting device and second light transmitting device, function and effect describe in detail in three embodiment of light transmitting device of the present invention, repeat no more here.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. a light transmitting device is characterized in that, comprising:
First signal processing module is used for carrying out communication and receiving the PON service signal by simulated light distribution network function and optical line terminal, described PON service signal is packaged into the optical transmission signal of reference format;
First Service Processing Module is connected with described first signal processing module, is used for the optical transmission signal of described reference format is carried out upward circuit processing of business;
First Central Control Module is connected with first Service Processing Module with described first signal processing module respectively, is used to control the operation of each module.
2. light transmitting device as claimed in claim 1 is characterized in that, described first signal processing module comprises:
First analogue unit is connected with described first Central Control Module, has simulated light distribution network function, is used for carrying out communication and receiving the PON service signal by simulated light distribution network function and optical line terminal;
First encapsulation unit is connected with described first analogue unit, first Service Processing Module and first Central Control Module respectively, is used for described PON service signal is packaged into the optical transmission signal of reference format.
3. light transmitting device as claimed in claim 2, it is characterized in that, described first analogue unit comprises that the first center processing subelement, OLT message pick-up subelement, OLT information send subelement, actual ONU message pick-up subelement and OLT and replys subelement, wherein:
OLT message pick-up subelement is connected with the first center processing subelement, is used for receiving OLT information from OLT, and sends to the first center processing subelement;
OLT information sends subelement, is connected with the first center processing subelement, is used for receiving OLT information from the first center processing subelement, and sends on the optical link;
Actual ONU message pick-up subelement is connected with the first center processing subelement, is used for receiving actual ONU information from optical link, and sends to the first center processing subelement;
OLT replys subelement, is connected with the first center processing subelement, is used for the instruction according to the first center processing subelement, and the ONU information of reality or the ONU information of simulation are sent to OLT;
The first center processing subelement, be used to receive OLT information and be transmitted to OLT information and send subelement, information analysis goes out the ONU tabulation that needs are handled according to OLT, the ONU information that obtains simulation is handled in tabulation to ONU, judge whether to receive actual ONU information that when receiving, control OLT replys subelement and sends actual ONU information, confiscate then, control OLT replys the ONU information that subelement sends simulation.
4. a light transmitting device is characterized in that, comprising:
Second Service Processing Module is used for the optical transmission signal of reference format is carried out circuit processing under the business;
The secondary signal processing module is connected with described second Service Processing Module, is used for the optical transmission signal deblocking of described reference format is dressed up the PON service signal, carries out communication and sends described PON service signal by OLT-simulating function and optical distribution network;
Second Central Control Module is connected with second Service Processing Module with described secondary signal processing module respectively, is used to control the operation of each module.
5. light transmitting device as claimed in claim 4 is characterized in that, described secondary signal processing module comprises:
Second encapsulation unit is connected with second Service Processing Module with described second Central Control Module respectively, is used for the optical transmission signal deblocking of described reference format is dressed up the PON service signal;
Second analogue unit is connected with second Central Control Module with described second encapsulation unit respectively, has OLT-simulating function, is used for carrying out communication and sending the PON service signal by OLT-simulating function and optical distribution network.
6. light transmitting device as claimed in claim 5, it is characterized in that, described second analogue unit comprises that the second center processing subelement, ONU message pick-up subelement, ONU information send subelement, actual OLT message pick-up subelement and synthetic OLT information and sends subelement, wherein:
ONU message pick-up subelement is connected with the second center processing subelement, is used for receiving ONU information from ODN, and sends to the second center processing subelement;
ONU information sends subelement, is connected with the second center processing subelement, is used for receiving ONU information from the second center processing subelement, and sends on the optical link;
Actual OLT message pick-up subelement is connected with the second center processing subelement, is used for receiving actual OLT information from optical link, and sends to the second center processing subelement;
The second center processing subelement, be used to receive ONU information and actual OLT information, ONU information is transmitted to ONU information sends subelement, the OLT information of reality is handled, obtain synthetic OLT information and send to synthetic OLT information to send subelement according to ONU information;
Synthetic OLT information sends subelement, is connected with the second center processing subelement, is used for receiving synthetic OLT information and sending to ODN from the second center processing subelement.
7. a light transmitting device is characterized in that, comprising:
First signal processing module is used for carrying out communication and receiving the PON service signal by simulated light distribution network function and optical line terminal, the PON service signal is packaged into the optical transmission signal of reference format;
The secondary signal processing module is used for the optical transmission signal deblocking of reference format is dressed up the PON service signal, carries out communication and sends the PON service signal by OLT-simulating function and optical distribution network;
Service Processing Module is connected with the secondary signal processing module with described first signal processing module respectively, is used for the optical transmission signal of reference format is carried out business upward circuit processing or the processing of professional circuit down;
Central Control Module is connected with Service Processing Module with described first signal processing module, secondary signal processing module respectively, is used to control the operation of each module.
8. light transmitting device as claimed in claim 7 is characterized in that, described first signal processing module comprises:
First analogue unit is connected with described Central Control Module, has simulated light distribution network function, is used for carrying out communication and receiving the PON service signal by simulated light distribution network function and optical line terminal;
First encapsulation unit is connected with Central Control Module with described first analogue unit, Service Processing Module respectively, is used for described PON service signal is packaged into the optical transmission signal of reference format.
9. light transmitting device as claimed in claim 8, it is characterized in that, described first analogue unit comprises that the first center processing subelement, OLT message pick-up subelement, OLT information send subelement, actual ONU message pick-up subelement and OLT and replys subelement, wherein:
OLT message pick-up subelement is connected with the first center processing subelement, is used for receiving OLT information from OLT, and sends to the first center processing subelement;
OLT information sends subelement, is connected with the first center processing subelement, is used for receiving OLT information from the first center processing subelement, and sends on the optical link;
Actual ONU message pick-up subelement is connected with the first center processing subelement, is used for receiving actual ONU information from optical link, and sends to the first center processing subelement;
OLT replys subelement, is connected with the first center processing subelement, is used for the instruction according to the first center processing subelement, and the ONU information of reality or the ONU information of simulation are sent to OLT;
The first center processing subelement, be used to receive OLT information and be transmitted to OLT information and send subelement, information analysis goes out the ONU tabulation that needs are handled according to OLT, the ONU information that obtains simulation is handled in tabulation to ONU, judge whether to receive actual ONU information that when receiving, control OLT replys subelement and sends actual ONU information, confiscate then, control OLT replys the ONU information that subelement sends simulation.
10. light transmitting device as claimed in claim 7 is characterized in that, described secondary signal processing module comprises:
Second encapsulation unit is connected with Service Processing Module with described Central Control Module respectively, is used for the optical transmission signal deblocking of described reference format is dressed up the PON service signal;
Second analogue unit is connected with Central Control Module with described second encapsulation unit respectively, has OLT-simulating function, is used for carrying out communication and sending the PON service signal by OLT-simulating function and optical distribution network.
11. light transmitting device as claimed in claim 10, it is characterized in that, described second analogue unit comprises that the second center processing subelement, ONU message pick-up subelement, ONU information send subelement, actual OLT message pick-up subelement and synthetic OLT information and sends subelement, wherein:
ONU message pick-up subelement is connected with the second center processing subelement, is used for receiving ONU information from ODN, and sends to the second center processing subelement;
ONU information sends subelement, is connected with the second center processing subelement, is used for receiving ONU information from the second center processing subelement, and sends on the optical link;
Actual OLT message pick-up subelement is connected with the second center processing subelement, is used for receiving actual OLT information from optical link, and sends to the second center processing subelement;
The second center processing subelement, be used to receive ONU information and actual OLT information, ONU information is transmitted to ONU information sends subelement, the OLT information of reality is handled, obtain synthetic OLT information and send to synthetic OLT information to send subelement according to ONU information;
Synthetic OLT information sends subelement, is connected with the second center processing subelement, is used for receiving synthetic OLT information and sending to ODN from the second center processing subelement.
12. passive optical network that comprises arbitrary described light transmitting device in the claim 1～3, it is characterized in that, comprise the optical line terminal, optical distribution network and the optical network unit that connect successively by circuit, described light transmitting device is arranged between optical line terminal and the optical distribution network, and is positioned at after the optical line terminal.
13. passive optical network that comprises arbitrary described light transmitting device in the claim 4～6, it is characterized in that, comprise the optical line terminal, optical distribution network and the optical network unit that connect successively by circuit, described light transmitting device is arranged between optical line terminal and the optical distribution network, and is positioned at before the optical distribution network.
14. passive optical network that comprises arbitrary described light transmitting device in the claim 7～11, it is characterized in that, comprise the optical line terminal, optical distribution network and the optical network unit that connect successively by circuit, described light transmitting device is arranged between optical line terminal and the optical distribution network, and lay respectively at after the optical line terminal and optical distribution network before.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010133651.XA CN101783980B (en) | 2010-03-15 | 2010-03-15 | Optical transmission device and passive optical network system |
| PCT/CN2011/071118 WO2011113316A1 (en) | 2010-03-15 | 2011-02-21 | Optical transmission device and passive optical network system |
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| CN201010133651.XA CN101783980B (en) | 2010-03-15 | 2010-03-15 | Optical transmission device and passive optical network system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011113316A1 (en) * | 2010-03-15 | 2011-09-22 | 中兴通讯股份有限公司 | Optical transmission device and passive optical network system |
| WO2020041977A1 (en) * | 2018-08-28 | 2020-03-05 | 华为技术有限公司 | Multi-mode optical network terminal (ont) and passive optical network (pon) system |
| CN112636835A (en) * | 2020-12-16 | 2021-04-09 | 中国联合网络通信集团有限公司 | Service transmission method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030091045A1 (en) * | 2001-11-10 | 2003-05-15 | Do-In Choi | Gigabit ethernet passive optical network system and media access control method for the same |
| CN101340246A (en) * | 2008-08-11 | 2009-01-07 | 武汉长光科技有限公司 | Ethernet passive optical network capable of lengthening transmission distance |
| CN101640815A (en) * | 2008-07-29 | 2010-02-03 | 华为技术有限公司 | Remote transmission method, remote transmission device and remote transmission system for PON |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101610437B (en) * | 2009-07-15 | 2012-11-07 | 浪潮电子信息产业股份有限公司 | Full-service access method based on optical fibers and coaxial cable |
| CN101783980B (en) * | 2010-03-15 | 2014-06-11 | 中兴通讯股份有限公司 | Optical transmission device and passive optical network system |
-
2010
- 2010-03-15 CN CN201010133651.XA patent/CN101783980B/en active Active
-
2011
- 2011-02-21 WO PCT/CN2011/071118 patent/WO2011113316A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030091045A1 (en) * | 2001-11-10 | 2003-05-15 | Do-In Choi | Gigabit ethernet passive optical network system and media access control method for the same |
| CN101640815A (en) * | 2008-07-29 | 2010-02-03 | 华为技术有限公司 | Remote transmission method, remote transmission device and remote transmission system for PON |
| CN101340246A (en) * | 2008-08-11 | 2009-01-07 | 武汉长光科技有限公司 | Ethernet passive optical network capable of lengthening transmission distance |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011113316A1 (en) * | 2010-03-15 | 2011-09-22 | 中兴通讯股份有限公司 | Optical transmission device and passive optical network system |
| WO2020041977A1 (en) * | 2018-08-28 | 2020-03-05 | 华为技术有限公司 | Multi-mode optical network terminal (ont) and passive optical network (pon) system |
| CN112636835A (en) * | 2020-12-16 | 2021-04-09 | 中国联合网络通信集团有限公司 | Service transmission method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011113316A1 (en) | 2011-09-22 |
| CN101783980B (en) | 2014-06-11 |
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