CN106170938B

CN106170938B - A kind of method, apparatus and system of passive optical network wavelength configuration

Info

Publication number: CN106170938B
Application number: CN201480016803.4A
Authority: CN
Inventors: 杨素林
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2014-12-30
Filing date: 2014-12-30
Publication date: 2018-05-04
Anticipated expiration: 2034-12-30
Also published as: CN106170938A; WO2016106573A1

Abstract

The embodiment of the invention discloses a kind of method of passive optical network PON wavelength configuration, it is connected between the time division multiplexing tdm PON optical network unit ONUs and wave division multiplexing WDM PON ONU in the PON by control interface, the described method includes：The TDM PON ONU send wavelength configuration request message to TDM PON optical line terminal OLTs, and the wavelength configuration information request message instruction request distributes wavelength to the WDM PON ONU；The TDM PON ONU receive the wavelength configuration information from the TDM PON OLT；The TDM PON ONU carry out wavelength configuration according to the wavelength configuration information to the WDM PON ONU.The technical solution provided according to embodiments of the present invention, the network smooth upgrade of low cost can be achieved, without disposing expensive AWG, on the broadband user of existing TDM PON without influencing and lift network bandwidth, while solves the problems, such as configuration to WDM PON ONU wavelength, management and initialize.

Description

A kind of method, apparatus and system of passive optical network wavelength configuration

Technical field

The present invention relates to optical communication field, more particularly to a kind of method, apparatus and system of passive optical network wavelength configuration.

Background technology

Development and maturation with PON (Passive Optical Network, passive optical network) technology, FTTx technologies A series of soft exchange technologies such as (fiber to the home) Fiber To The Building, Fiber To The Curb starts to be widely used.PON technologies With advantages such as low cost, multiple access, ultra-long transmission distance, high-transmission bandwidth, gradually substitute existing with copper wire For the cable access network of transmission medium, become the mainstream development technology of access network technology.

Existing PON is mainly TDM-PON (Time Division Multiplexing-Passive Optical Network, be time-multiplexed passive optical network), TDM-PON uplink and downlinks use single wavelength, to the utilization rate of wavelength bandwidth very It is low.

In order to solve the problems, such as wavelength bandwidth utilization rate, it is proposed that a kind of WDM-PON (Wavelength Division Multiplexing-Passive Optical Network, Wave division multiplexing passive optical network).The operation principle of WDM-PON is： Each ONU (Optical Network Unit, optical network unit) individually takes a wavelength channel, and multiple wavelength channels pass through The mode of wavelength-division multiplex is transmitted in same root trunk fiber so that each ONU exclusively enjoys the bandwidth resources of a wavelength, greatly The total bandwidth of passive optical network is expanded.However, since each ONU transceiver modules use in WDM-PON wavelength is not phase With, the laser that this may result in each ONU transceiver modules is different, is referred to as coloured optical module in optical communication field. ONU can cause a series of coloured problem using coloured optical module, such as：The ONU that each user uses is different, Wu Fatong With；Meanwhile if ONU uses multiple wavelength, equipment production and warehouse cost can be increased.In order to solve the problems, such as ONU's coloured, industry Boundary proposes the concept of the colourless light sources of WDM-PON.So-called colourless light source, that is, it is unrelated with wavelength to refer to ONU transceiver modules, it is received The laser emission wavelength of hair module can adapt to connected AWG (Arrayed Waveguide Grating, array automatically Waveguide optical grating) or WGR (Wavelength Grating Router, wavelength grating router) port wavelength, realize any Can it be inserted on one AWG or WGR port.In order to realize the colourless lasers of WDM-PON of low cost, industry proposes A variety of solutions, such as injection locking FP-LD (Fabry-Perot) lasers or RSOA based on the injection of external seed light (Reflective Semiconductor Optical Amplifier, reflective semiconductor amplifier), wavelength use, are adjustable again Laser, self-injection locking or from seed laser etc..Wherein, tunable laser scheme is the scheme for having optimal prospect.

With the lifting of mobile communication rate, density, quantity, the bandwidth of base station are all exponentially improving, it is desirable to mobile carrying The cost of network is lower, can provide the carrying bandwidth of higher.Operator wishes to use WDM-PON as mobile bearing technology, can To be polymerize by wavelength come spread bandwidth.But WDM-PON needs to dispose expensive AWG, it is necessary to existing ODN (Optical Distribution Network, Optical Distribution Network) network is compared big transformation, and improved net Network cannot compatible deployed TDM-PON operation.Operator is not intended to completely to existing deployed TDM-PON, such as GPON (Gigabit Passive Optical Network, gigabit passive optical network), EPON (Ethernet Passive Optical Network, Ethernet passive optical network), 10G GPON, 10G EPON replaced, but want to carry out Smooth upgrade, reduces the influence to existing broadband user.

The content of the invention

In view of this, an embodiment of the present invention provides a kind of method, apparatus and system of passive optical network wavelength configuration, with Realize the function that bandwidth upgrading is provided based on existing ODN networks by WDM-PON, solve wavelength configuration, the management of WDM-PON The problem of with initialization.

In a first aspect, an embodiment of the present invention provides a kind of method of passive optical network PON wavelength configuration, in the PON Time division multiplexing tdm-PON optical network unit ONUs and wave division multiplexing WDM-PON ONU between be connected by control interface, institute The method of stating includes：The TDM-PON ONU send wavelength configuration request message to TDM-PON optical line terminal OLTs, described The instruction request of wavelength configuration information request message distributes wavelength to the WDM-PON ONU；The TDM-PON ONU are received and come from The wavelength configuration information of the TDM-PON OLT；The TDM-PON ONU are according to the wavelength configuration information to the WDM- PON ONU carry out wavelength configuration.

Implementation with reference to first aspect, in first aspect in the first possible implementation, the wavelength configuration Information includes the wavelength of WDM-PON ONU, and the TDM-PON ONU are according to the wavelength configuration information to the WDM-PON ONU, which carries out wavelength configuration, to be included：The TDM-PON ONU carry out WDM-PON ONU according to the wavelength of the WDM-PON ONU Wavelength configuration.

With reference to first aspect or first aspect the first possible implementation, in second of possible reality of first aspect In existing mode, the wavelength configuration information includes wavelength configuration relation table, and the wavelength configuration relation table includes and WDM-PON The wavelength information of all WDM-PON ONU of OLT connections, the TDM-PON ONU are according to the wavelength configuration information to described WDM-PON ONU, which carry out wavelength configuration, to be included：The TDM-PON ONU obtain the mark for uniquely indicating the WDM-PON ONU Code, obtains the corresponding wavelength of the identification code from the wavelength configuration relation table, and carrying out wavelength to the WDM-PON ONU matches somebody with somebody Put.

With reference to first aspect or first aspect the first to second of any possible implementation, in first aspect In three kinds of possible implementations, carried in the wavelength configuration information request message and uniquely indicate the WDM-PON ONU's Identification code, the identification code are used to ask wavelength corresponding with the identification code to the TDM-PON OLT.

With reference to first aspect or first aspect the first to the third any possible implementation, in first aspect Instruction request is carried in four kinds of possible implementations, in the wavelength configuration information request message to be connected with WDM-PON OLT All WDM-PON ONU wavelength information flag bit, the flag bit be used for TDM-PON OLT requests it is described with The wavelength information of all WDM-PON ONU of WDM-PON OLT connections.

Second aspect, an embodiment of the present invention provides a kind of method of passive optical network PON wavelength configuration, its feature exists In, the described method includes：Time division multiplexing tdm-PON optical line terminal OLTs receive the ripple from TDM-PON optical network unit ONUs Long configuration request message, the wavelength configuration information request message instruction request distribute wave division multiplexing WDM-PON ONU Wavelength；The TDM-PON OLT to the TDM-PON ONU send wavelength configuration information, the wavelength configuration information be used for pair The WDM-PON ONU carry out wavelength configuration.

With reference to the implementation of second aspect, in second aspect in the first possible implementation, the wavelength configuration Information includes the wavelength of the WDM-PON ONU.

With reference to second aspect or second aspect the first possible implementation, in second of possible reality of second aspect In existing mode, the wavelength configuration information includes wavelength configuration relation table, and the wavelength configuration relation table includes and WDM-PON The wavelength information of all WDM-PON ONU of OLT connections.

With reference to second aspect or second aspect the first to second of any possible implementation, in second aspect In three kinds of possible implementations, carried in the wavelength configuration information request message and uniquely indicate the WDM-PON ONU's Identification code, the correspondence of the identification code and the WDM-PON ONU wavelength is stored with the TDM-PON OLT, described TDM-PON OLT distribute wavelength according to the identification code for the WDM-PON ONU.

With reference to second aspect or second aspect the first to the third any possible implementation, in second aspect Instruction request is carried in four kinds of possible implementations, in the wavelength configuration information request message to be connected with WDM-PON OLT All WDM-PON ONU wavelength information flag bit, the flag bit is used to indicate the TDM-PON OLT to described The wavelength information for all WDM-PON ONU being connected described in TDM-PON ONU transmissions with WDM-PON OLT.

With reference to second aspect or second aspect the first to the 4th kind of any possible implementation, in second aspect In five kinds of possible implementations, the TDM-PON OLT receive the wavelength configuration information request message from TDM-PON ONU Afterwards, further include：

The TDM-PON OLT are obtained after the wavelength configuration information request message is received from control plane controller The wavelength configuration information.

The third aspect, an embodiment of the present invention provides a kind of passive optical network PON device, the passive optical network device bag Include：Time division multiplexing tdm-PON the ONU being connected by control interface with wave division multiplexing WDM-PON optical network unit ONUs；It is described TDM-PON ONU, for sending wavelength configuration request message, the wavelength configuration letter to TDM-PON optical line terminal OLTs Cease request message instruction request and distribute wavelength to WDM-PON ONU；The TDM-PON ONU, are additionally operable to receive from described The wavelength configuration information of TDM-PON OLT, wavelength configuration is carried out according to the wavelength configuration information to the WDM-PON ONU.

With reference to the implementation of the third aspect, in the third aspect in the first possible implementation, the wavelength configuration Information includes the wavelength of the WDM-PON ONU, and the TDM-PON ONU are used for according to the wavelength to the WDM-PON ONU carries out wavelength configuration.

With reference to the third aspect or the third aspect the first possible implementation, in second of possible reality of the third aspect In existing mode, the wavelength configuration information includes wavelength configuration relation table, and the wavelength configuration relation table includes and WDM-PON The wavelength information of all WDM-PON ONU of OLT connections；The TDM-PON ONU are used to obtain uniquely to indicate the WDM-PON The identification code of ONU, obtains the corresponding wavelength of the identification code from the wavelength configuration relation table, to the WDM-PON ONU Carry out wavelength configuration.

With reference to the third aspect or the third aspect the first to second of any possible implementation, in the third aspect In three kinds of possible implementations, carried in the wavelength configuration information request message and uniquely indicate the WDM-PON ONU's Identification code, the identification code are used to distribute wavelength corresponding with the identification code to TDM-PON OLT requests.

With reference to the third aspect or the third aspect the first to the third any possible implementation, in the third aspect Instruction instruction request and WDM-PON OLT are carried in four kinds of possible implementations, in the wavelength configuration information request message The flag bit of the wavelength information of all WDM-PON ONU of connection, the flag bit are used to ask institute to the TDM-PON OLT State the wavelength information for all WDM-PON ONU being connected with WDM-PON OLT.

Fourth aspect, an embodiment of the present invention provides a kind of passive optical network PON equipment, the passive optical network equipment bag Include：TDM-PON OLT, for receiving the wavelength configuration information request message from TDM-PON optical network unit ONUs, the ripple Long configuration request message instruction request distributes wavelength to WDM-PON ONU；The TDM-PON OLT, are additionally operable to described TDM-PON ONU send wavelength configuration information, and the wavelength configuration information is used to match somebody with somebody WDM-PON ONU progress wavelength Put.

With reference to the implementation of fourth aspect, in fourth aspect in the first possible implementation, the wavelength configuration Information includes the wavelength of the WDM-PON ONU.

With reference to fourth aspect or fourth aspect the first possible implementation, in second of possible reality of fourth aspect In existing mode, the wavelength configuration information includes wavelength configuration relation table, and the wavelength configuration relation table includes and WDM-PON The wavelength information of all WDM-PON ONU of OLT connections.

With reference to fourth aspect or fourth aspect the first to second of any possible implementation, in fourth aspect In three kinds of possible implementations, carried in the wavelength configuration information request message and uniquely indicate the WDM-PON ONU's Identification code, the correspondence of the identification code and the WDM-PON ONU wavelength is stored with the TDM-PON OLT, described TDM-PON OLT are used to distribute wavelength according to the identification code for the WDM-PON ONU.

With reference to fourth aspect or fourth aspect the first to the third any possible implementation, in fourth aspect In four kinds of possible implementations, the wavelength configuration information request message carries what instruction request was connected with WDM-PON OLT The flag bit of the wavelength information of all WDM-PON ONU, the flag bit are used to indicate the TDM-PON OLT to described The wavelength information for all WDM-PON ONU being connected described in TDM-PON ONU transmissions with WDM-PON OLT.

With reference to fourth aspect or fourth aspect the first to the 4th kind of any possible implementation, in fourth aspect In five kinds of possible implementations, the TDM-PON OLT are used for after the wavelength configuration information request message is received, from control Face plate controller processed obtains the wavelength configuration information.

5th aspect, an embodiment of the present invention provides a kind of passive optical network PON system, in the system, time division multiplexing TDM-PON and wave division multiplexing WDM-PON are coupled, the system comprises：TDM-PON optical network unit ONUs, for TDM- PON optical line terminal OLTs send wavelength configuration request message, the wavelength configuration information request message instruction request pair WDM-PON ONU distribute wavelength；The TDM-PON OLT, for according to the wavelength configuration information request message, to TDM- PON ONU send wavelength configuration information；The TDM-PON ONU, for receiving the wavelength configuration information and according to the ripple Long configuration information carries out wavelength configuration to the WDM-PON ONU.

With reference to the implementation of the 5th aspect, in the first possible implementation in terms of the 5th, the wavelength configuration Information includes the wavelength of WDM-PON ONU, the TDM-PON ONU be used for according to the wavelength to the WDM-PON ONU into Row wavelength configuration.

With reference to the 5th aspect or the 5th aspect the first possible implementation, the 5th aspect second of possible reality In existing mode, the wavelength configuration information includes wavelength configuration relation table, and the wavelength configuration relation table includes and WDM-PON The wavelength information of all WDM-PON ONU of OLT connections；The TDM-PON ONU are used to obtain uniquely to indicate the WDM-PON The identification code of ONU, obtains the corresponding wavelength of the identification code from the wavelength configuration relation table, to the WDM-PON ONU Carry out wavelength configuration.

With reference to the 5th aspect or the 5th aspect the first to second of any possible implementation, at the 5th aspect the In three kinds of possible implementations, carried in the wavelength configuration information request message and uniquely indicate the WDM-PON ONU's Identification code, the correspondence of the identification code and the WDM-PON ONU wavelength is stored with the TDM-PON OLT, described TDM-PON OLT are used to distribute wavelength according to the identification code for the WDM-PON ONU.

With reference to the 5th aspect or the 5th aspect the first to the third any possible implementation, at the 5th aspect the Instruction request is carried in four kinds of possible implementations, in the wavelength configuration information request message to be connected with WDM-PON OLT All WDM-PON ONU wavelength information flag bit, the flag bit be used for indicate the TDM-PON OLT to institute State the wavelength information for all WDM-PON ONU being connected described in TDM-PON ONU transmissions with WDM-PON OLT.

With reference to the 5th aspect or the 5th aspect the first to the 4th kind of any possible implementation, at the 5th aspect the In five kinds of possible implementations, the TDM-PON OLT are used for after the wavelength configuration information request message is received, from control Face plate controller processed obtains the wavelength configuration information.

With reference to the 5th aspect or the 5th aspect the first to the 5th kind of any possible implementation, at the 5th aspect the In six kinds of possible implementations, the TDM-PON ONU are used to the wavelength configuration information being transmitted to WDM-PON ONU, The WDM-PON ONU are used to carry out wavelength configuration according to the wavelength configuration information.

With reference to the 5th aspect or the 5th aspect the first to the 6th kind of any possible implementation, at the 5th aspect the In seven kinds of possible implementations, Optical Distribution Network is further included：The Optical Distribution Network, is divided equipped with the first optical splitter and second Device, the splitting ratio of second optical splitter is smaller than the splitting ratio of the first optical splitter, first optical splitter and TDM-PON ONU phases Connection, second optical splitter are connected with the passive optical network device comprising WDM-PON ONU.

6th aspect, a kind of passive optical network device, including：Processor, memory, bus and communication interface；Memory For storing computer executed instructions, processor is connected with memory by bus, when passive optical network device is run, processing Device performs the computer executed instructions of memory storage, so that passive optical network device is performed such as first aspect and first aspect Method described in any one possible implementation.

7th aspect, a kind of passive optical network equipment, including：Processor, memory, bus and communication interface；Memory For storing computer executed instructions, processor is connected with memory by bus, when passive optical network equipment is run, processing Device performs the computer executed instructions of memory storage, so that passive optical network equipment is performed such as second aspect and second aspect Method described in any one possible implementation.

The technical solution provided according to embodiments of the present invention, polymerize WDM-PON on the basis of TDM-PON, passes through TDM- PON ONU provide wavelength configuration information to WDM-PON ONU, and without disposing expensive AWG, the network for realizing low cost is smooth Upgrading, on the broadband user of existing TDM-PON without influencing and improve network bandwidth, while solves to WDM-PON ONU ripples The problem of long configuration, management and initialization.

Brief description of the drawings

In order to illustrate more clearly of the embodiment of the present invention or technical solution of the prior art, description will be implemented below Used attached drawing is briefly described during example.It should be evident that the part of the only present invention described in accompanying drawings below Embodiment, for those of ordinary skill in the art, without creative efforts, can also be attached according to these Figure and description obtain other attached drawings or embodiment, and it is contemplated that covering all these derivative attached drawings or embodiment.

Fig. 1 is a kind of time division multiplexing, the WDM passive optical network system structure diagram for realizing the embodiment of the present invention；

Fig. 2 is a kind of structure diagram for the optical splitter for realizing the embodiment of the present invention；

Fig. 3 is a kind of structural representation for the polymerization passive optical network optical network unit HPON ONU for realizing the embodiment of the present invention Figure；

Fig. 4 is a kind of signaling interaction diagram for the wavelength configuration method for realizing the embodiment of the present invention；

Fig. 5 is the signaling interaction diagram for another wavelength configuration method for realizing the embodiment of the present invention；

The structure that Fig. 6 is another polymerization passive optical network optical network unit HPON ONU for realizing the embodiment of the present invention is shown It is intended to；

Fig. 7 is a kind of signaling interaction diagram for the wavelength configuration method for realizing the embodiment of the present invention；

Fig. 8 is a kind of exemplary flow chart of the method for the passive optical network PON wavelength configuration for realizing the embodiment of the present invention；

Fig. 9 is a kind of exemplary flow chart of the method for the passive optical network PON wavelength configuration for realizing the embodiment of the present invention；

Figure 10 is a kind of logical construction schematic diagram for the passive optical network PON device for realizing the embodiment of the present invention；

Figure 11 is a kind of logical construction schematic diagram for the passive optical network PON device for realizing the embodiment of the present invention；

Figure 12 is a kind of logical construction schematic diagram for the passive optical network PON equipment for realizing the embodiment of the present invention；

Figure 13 is a kind of logical construction schematic diagram for the passive optical network PON equipment for realizing the embodiment of the present invention；

Figure 14 is a kind of logical construction schematic diagram for the passive optical network PON system for realizing the embodiment of the present invention；

Figure 15 is a kind of logical construction signal of the computer equipment for the passive optical network PON for realizing the embodiment of the present invention Figure.

Embodiment

In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.Obviously, described embodiment only part of the embodiment of the present invention, rather than whole implementation Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work Every other embodiment, belongs to the scope of protection of the invention.

Embodiment one

Fig. 1 is a kind of time division multiplexing of foundation one embodiment of the invention, WDM passive optical network system structural representation Figure.In the system, office side CO (Central Office) is answered including TDM-PON OLT101, WDM-PON OLT102 and wavelength-division With/demultiplexer 103；Optical Distribution Network ODN includes optical splitter 104；User side includes TDM-PON ONU105 and HPON ONU (Hybrid PON ONU, polymerize passive optical network ONU) (1061,1062).Specifically, TDM-PON OLT101 can be existing The GPON OLT that is disposed in network, EPON OLT, XGPON OLT etc., correspondingly, TDM-PON ONU105 are also to be disposed in existing net GPON ONU, EPON ONU, XGPON ONU etc., with the upgrading of network, TDM-PON ONU105 are optionally set in system It is standby, it can be replaced by HPON ONU.Wherein, after HPON ONU (1061,1062) are the upgrading proposed in the embodiment of the present invention The network equipment, in PON system, TDM-PON ONU or HPON ONU may have multiple.

Specifically, network layer packet contains control plane and datum plane, wherein, control plane is used to controlling and managing all nets The operation of network agreement, for example, to Spanning-Tree Protocol, VLAN agreements, ARP protocol, various Routing Protocols and multicast protocol etc. management and Control.Control plane provides the necessary various network informations and forwarding inquiries list item before data plane data processing forward. Datum plane mainly for the treatment of with various types of data on forwarding different port, for various specific in data handling procedure Processing forward process, such as the specific implementation procedure of each function such as L2/L3/ACL/QOS/ multicasts/security protection.TDM-PON OLT101 provides an interface physically or logically and is connected to control plane (control Plane), alternatively, TDM- There is an interface physically or logically between PON OLT101 and WDM-PON OLT102.Control plane passes through control plane Interface between TDM-PON OLT101 transmits the wavelength configuration of WDM-PON optical transmit-receive function units to TDM-PON OLT101 Or management information, further, WDM-PON is transmitted by the interface between TDM-PON OLT101 and WDM-PON OLT102 The wavelength configuration or management information of optical transmit-receive function unit.Control plane can also pass through control plane and TDM-PON OLT101 Between interface, the interface between TDM-PON OLT101 and WDM-PON OLT102 to WDM-PON optical transmit-receive functions unit into Row monitoring, such as the transmit power of optical transmit-receive function unit, the reception power and optical transmit-receive function unit of optical transmit-receive function unit Temperature.At least one interface physically or logically of WDM-PON OLT102 is connected to the datum plane (Data of network Plane), for transmitting various types of data messages.WDM-PON OLT102 can be have optical interface interchanger or other Network communication equipment, such as radio base station controller.WDM-PON OLT102 are equipped with optical interface to be inserted into optical transmit-receive function unit, Need to carry out WDM-PON optical transmit-receive functions unit in WDM-PON OLT102 wavelength configuration, embodiment includes two kinds： A kind of embodiment is that WDM-PON OLT autonomous managements, wavelength configuration information is stored in WDM-PON OLT, WDM-PON OLT102 carries out wavelength configuration according to the port numbers of optical interface to the optical transmit-receive function unit for being inserted into WDM-PON OLT102；Separately A kind of embodiment is that wavelength configuration information is stored in control plane, and WDM-PON OLT102 pass through TDM-PON OLT101 Wavelength configuration information is obtained from control plane, each optical interface of WDM-PON OLT102 is inserted into according to wavelength configuration information Optical transmit-receive function unit carry out wavelength configuration.Down direction, Wavelength division multiplexer/demultiplexer 103 are used for WDM-PON down going waves Long signal and TDM-PON downstream wavelengths signal multiplexing are on trunk optical fiber；Up direction, Wavelength division multiplexer/demultiplexer 103 is from master Dry optical fiber demultiplexes to obtain TDM-PON upstream wavelengths signal and WDM-PON upstream wavelength signals.

In the GPON or XGPON of existing wet end administration, optical splitter generally uses 1: 32 or 1: 64 splitting ratio, i.e. a GPON OLT Or XGPON OLT pass through 32 or 64 ONU of ODN network connections.In existing network, OND network connection 32 or The network opening rate of 64 ONU is extremely difficult to 100%.Therefore, existing OND networks can be transformed, is allowed to both compatible The operation of GPON or XGPON networks in now netting, and can support the carrying and deployment of existing or following wireless network.Fig. 1 In by taking 1: 64 level-one optical splitter as an example, other series, splitting ratio optical splitter implementation it is similar.ODN in existing network Upper optical splitter is 1: 64 optical splitter 1041, including a public port 100 and 64 branch ports (1,2 ..., 64).This The optical splitter 104 of inventive embodiments add one 1: 4 optical splitter 1042 and multiple Wavelength division multiplexer/demultiplexers (1043, 1044,1045) public port 100 and optical splitter 1042 of optical splitter 1041, are completed by Wavelength division multiplexer/demultiplexer 1043 Wavelength multiplexing/demultiplexing of public port 200.Wherein, the implementation not limited to this of increased optical splitter 1042, it sets former It is then：Splitting ratio than optical splitter in existing network ODN is small, can include one or more, with similar optical splitter shown in Fig. 1 1042 mode is connected in existing ODN.Each branch port of optical splitter 1042 is coupled by Wavelength division multiplexer/demultiplexer Into any one branch port, such as Fig. 1 of optical splitter 1041, the branch port 1 of optical splitter 1042 is connected to optical splitter 1041 port 20, the branch port 4 of optical splitter 1042 are connected to the port 64 of optical splitter 1041.Further, optical splitter 1041 branch ports being connected with optical splitter 1042 are connected in the HPON ONU of passive optical network.In this way, downlink WDM- PON wavelength signals are demultiplexed into public port 200 after Wavelength division multiplexer/demultiplexer 1043, through 1: 4 light splitting, then pass through ripple Multiplexing demultiplexing device 1044 or 1045 is divided to be multiplexed into branch optical fiber；Downlink GPON or XGPON wavelength signals are through wavelength-division multiplex/solution After multiplexer 1043, be demultiplexed into public port 100, then through 1: 64 light splitting, then by Wavelength division multiplexer/demultiplexer 1044 or 1045 are multiplexed into branch optical fiber, alternatively, downlink GPON or XGPON wavelength signals by 1: 64 light splitting after, in other branch's light Transmitted on fibre, such as port 1.

Fig. 2 is the structure diagram of optical splitter 104 in the another embodiment upgraded to the optical splitter in existing net. Industry it is usually used be all 1: 2^NOr 2: 2^N(N is positive integer, N=1,2,3 ...) splitting ratio, equally it is divided with 1: 64 level-one Exemplified by device, it is assumed that be the optical splitter of one 1: 64 on ODN in now netting, point shown in Fig. 4 can be substituted for for 1: 64 optical splitter Light device 104.In Fig. 2, the splitting ratio of optical splitter 1046,1047,1048 is respectively 1: 2,1: 32,1: 4, optical splitter splitting ratio and level Several settings is only one of which situation, not limited to this.The splitting ratio of the 1st~32 branch port of optical splitter 1047 is still 1: The splitting ratio of 64, the 33rd~36 branch port is 1: 8.In specific implementation process, decayed by the transmission signal of 1: 8 optical splitter Degree ratio is small by the attenuation degree of 1: 64 optical splitter, therefore, can connect HPON ONU by 33~36 branch ports, there is provided Band width service data.In the embodiment, the setting principle of optical splitter 104 is：Can be optical splitter more than two level or two level, its In, the splitting ratio of at least one optical splitter is smaller than the splitting ratio of other optical splitters.

HPON ONU (1061,1062) are a kind of new ONU disclosed by the embodiments of the present invention, pass through side as shown in Figure 1 Formula is connected in time division multiplexing, WDM passive optical network system.Specifically, if optical splitter is realization as shown in Figure 1 Mode, HPON ONU (1061,1062) are connected to optical splitter 1042 and optical splitter 1041 passes through Wavelength division multiplexer/demultiplexer (1044,1045) on the optical fiber that connected branch port is drawn；If optical splitter is implementation as shown in Figure 2, HPON ONU (1061,1062) is connected on the optical fiber of 1048 branch port of optical splitter extraction.Wavelength signals pass through less point of splitting ratio After light device, the loss of link is relatively low, reduces the performance requirement of HPON ONU.

In the embodiment of the present invention, WDM-PON is disposed on existing ODN networks, existing network is put down at low cost Sliding level, improves the bandwidth of network, while by setting the less optical splitter of splitting ratio in existing ODN, makes chain path loss Consumption is lower, and the existing network of Web-compatible after upgrading, existing broadband user is not had adverse effect on.

Embodiment two

Fig. 3 is a kind of knot of polymerization passive optical network optical network unit HPON ONU according to one embodiment of the invention a kind of Structure schematic diagram.

In specific implementation process, HPON ONU include TDM-PON optical transmit-receive functions unit 301, TDM-PON ONU302, WDM-PON optical transmit-receive functions unit 303, WDM-PON ONU304 and Wavelength division multiplexer/demultiplexer 305.Use on HPON ONU Family side interface UNI-1 connects terminal device, such as PC machine with UNI-2 by twisted-pair feeder or other kinds of medium.Specifically, TDM- PON optical transmit-receive functions unit 301 and TDM-PON ONU302 can be the TDM-PON equipment disposed in existing net.WDM-PON light is received Hair functional unit 303 is the optical transceiving device with optical transmit-receive function.

TDM-PON ONU302 are connected with WDM-PON ONU304 by control interface CI and to WDM-PON ONU304 Wavelength configuration information is transmitted, specifically, the reception wavelength of WDM-PON optical transmit-receive functions unit 303 can be included and send wavelength Configuration information, WDM-PON ONU304 can also transmit the letter such as the unlatching of optical transmit-receive function unit, closed mode by control interface Breath.TDM-PON ONU302 can also collect WDM-PON optical transmit-receive functions unit 303 or WDM-PON by control interface CI The monitoring information of ONU304, such as transmitting optical power, received optical power.TDM-PON optical transmit-receive functions unit 301 and WDM-PON Optical transmit-receive function unit 303 can be independent module respectively, and at this time, TDM-PON optical transmit-receive functions unit 301 is inserted into TDM- In the optical interface of PON ONU302, WDM-PON optical transmit-receive functions unit 303 is inserted into the optical interface of WDM-PON ONU304； It is also possible that TDM-PON optical transmit-receive functions unit 301 is the function module integrated on TDM-PON ONU302, the transmitting-receiving of WDM-PON light Functional unit 303 is the function module integrated on WDM-PON ONU304.Wavelength division multiplexer/demultiplexer 305 can be independent Module, can also be integrated into WDM-PON optical transmit-receive functions unit 303 or WDM-PON ONU304, and at this moment WDM-PON light is received and dispatched Functional unit 303 or WDM-PON ONU304 have two interfaces, and an incoming fiber optic, is ultimately connected to OLT, another interface Interface in order to control, connection TDM-PON ONU302.Wavelength division multiplexer/demultiplexer 305 is used for the ripple of multiplex/demultiplex TDM-PON The wavelength signals of long signal and WDM-PON, specifically, on up direction, Wavelength division multiplexer/demultiplexer 305 is multiplexed TDM-PON ripples Long signal and WDM-PON wavelength signals, will export after TDM-PON wavelength signals and WDM-PON wavelength signals multiplex；Down direction On, Wavelength division multiplexer/demultiplexer 305 demultiplexes TDM-PON wavelength signals and WDM-PON wavelength signals, and TDM-PON wavelength is believed Number and WDM-PON wavelength signals partial waves after be sent respectively to TDM-PON optical transmit-receive functions unit 301 and WDM-PON light transmitting-receiving work( Can unit 303.

If the embodiment of the present invention is using HPON ONU as shown in Figure 3 as time division multiplexing, Wavelength division multiplexing-passive light net The ONU of network, then the signaling interaction diagram of the wavelength configuration method of passive optical network of the embodiment of the present invention is as shown in Figure 4：

S401：TDM-PON ONU reach the standard grade to TDM-PON OLT registrations.

TDM-PON ONU are registered to TDM-PON OLT, complete the configuration of TDM-PON ONU.Specifically, if TDM-PON ONU is GPON ONU, then the activation process for meeting G.984.3 standard can be used to complete the registration activation of ONU, can be included Distribution, the certification of ONU ID (ONU Identifier, ONU mark), can also include OMCI (ONU Management and Control Interface ONU, management and control interface) relevant configuration, such as the ME (Management of uni interface Entity, management entity) configuration, VLAN (Virtual Local Area Network, virtual LAN) binding etc..

S402：TDM-PON ONU obtain the identification code of unique instruction WDM-PON ONU.

The identification code of unique instruction WDM-PON ONU can the either WDM-PON light of the identification code including WDM-PON ONU The identification code of transmission-receiving function unit, can also include the mark for the TDM-PON ONU of wavelength configuration information for the WDM-PON ONU Know the identification code of code either TDM-PON optical transmit-receive function units.Specifically, the identification code of acquisition can uniquely indicate to need by WDM-PON ONU or WDM-PON the optical transmit-receive function units of wavelength information are configured, are included but not limited to：The SN of WDM-PON ONU (Serial Number, sequence number) and/or MAC (Media Access Control, medium education) address；WDM-PON The SN of optical transmit-receive function unit；The SN of TDM-PON ONU, MAC Address, LLID (Logical Link Identifier, logic Link identification), LOID (Logical ONU Identifier, logic ONU mark), ONU ID (ONU Identifier, ONU Mark) at least any one；The SN of TDM-PON optical transmit-receive function units.Specifically, TDM-PON ONU obtain WDM-PON The identification code of ONU or WDM-PON optical transmit-receive function units includes two kinds of embodiments：One kind is that TDM-PON ONU pass through control Whether interface CI detections WDM-PON ONU are in power-up state, if detect that WDM-PON ONU are powered on, read WDM-PON The identification code of ONU or WDM-PON optical transmit-receive function units.Another embodiment is that TDM-PON ONU need not detect WDM- Whether PON ONU's powers on, but when detecting that itself is powered on by WDM-PON ONU, directly WDM- is sent to TDM-PON ONU The identification code of PON ONU or WDM-PON optical transmit-receive function units.

S403：The identification code that TDM-PON ONU send unique instruction WDM-PON ONU gives TDM-PON OLT.

TDM-PON ONU send the identification code of unique instruction WDM-PON ONU, request distribution and institute to TDM-PON OLT The corresponding wavelength information of identification code of transmission.

S404：The identification code of unique instruction WDM-PON ONU is transmitted to control plane controller by TDM-PON OLT.

Specifically, unique instruction is needed the identification code for being configured the WDM-PON ONU of wavelength information to turn by TDM-PON OLT Issue control plane controller, the wavelength of the corresponding WDM-PON ONU of request assigned identification codes.

S405：Control plane controller sends wavelength configuration information and gives TDM-PON OLT.

A kind of embodiment is that control plane controller is according to unique identification code for indicating WDM-PON ONU and is stored in The wavelength configuration relation table of the WDM-PON ONU of control plane distributes wavelength for WDM-PON ONU, and the wavelength distributed is sent out Give TDM-PON OLT.Specifically, the wavelength configuration relation table of WDM-PON ONU includes unique under same WDM-PON OLT Indicate the identification code of WDM-PON ONU, and its wavelength of corresponding WDM-PON ONU.What control plane controller was sent Wavelength configuration information includes the corresponding wavelength of identification code, can also include identification code.

In another embodiment, when the wavelength configuration relation table of WDM-PON ONU is write by the controller of control plane Enter TDM-PON OLT, when the wavelength configuration relation table of WDM-PON ONU is stored with TDM-PON OLT, S404 and S405 is can The step of selecting, TDM-PON OLT can be WDM- according to the identification code and wavelength configuration information of unique instruction WDM-PON ONU PON ONU distribute corresponding wavelength, and generate the wavelength configuration information for including wavelength information, without will uniquely indicate WDM- The identification code of PON ONU is transmitted to control plane controller.

In the above-described embodiment, the wavelength configuration relation table of WDM-PON ONU is included under same WDM-PON OLT only The identification code of one instruction WDM-PON ONU, and its wavelength of corresponding WDM-PON ONU.

S406：TDM-PON OLT forwardings wavelength configuration information gives TDM-PON ONU.

Specifically, wavelength configuration information includes distributed wavelength information.

S407：Wavelength configuration information is transmitted to WDM-PON ONU by TDM-PON ONU.

Wavelength configuration information is transmitted to WDM-PON ONU by TDM-PON ONU, and WDM-PON ONU believe according to wavelength configuration Wavelength information in breath sets the transmission wavelength of tunable laser in WDM-PON optical transmit-receive function units, and/or tunable receiver Reception wavelength.

Fig. 5 is the signaling interaction diagram of the another embodiment of wavelengths above collocation method S401-S407, is embodied Journey is as follows：

S501：TDM-PON ONU registrations are reached the standard grade, and ask wavelength configuration relation table.

When TDM-PON ONU registrations are reached the standard grade, the request message for carrying special sign position is sent to TDM-PON OLT, with Ask the wavelength configuration relation table of WDM-PON ONU.Specifically, in GPON, TDM-PON ONU are sent to TDM-PON OLT Specific flag bit can pass through a PLOAM (Physical Layer Operations, Administration and Maintenance, physical layer operations management and maintenance) message or OMCI message carries, alternatively, the form of the message can be with It is self-defined.

Specifically, the wavelength configuration relation table of WDM-PON ONU includes unique instruction WDM- under same WDM-PON OLT The identification code of PON ONU, and its wavelength of corresponding WDM-PON ONU.

S502：TDM-PON OLT ask wavelength configuration relation table to control plane controller.

Specifically, TDM-PON OLT forward the request message for carrying special sign position, request to control plane controller The wavelength configuration relation table of WDM-PON ONU.

S503：Control plane controller issues wavelength configuration information and gives TDM-PON OLT.

Wavelength configuration information is specially wavelength configuration relation table.The wavelength configuration relation table of WDM-PON ONU can preserve In control plane, it can also be stored in TDM-PON OLT.When wavelength configuration relation table is stored in TDM-PON OLT, S502 and S503 is optional step, and wavelength configuration relation table directly can be directly handed down to TDM-PON by TDM-PON OLT ONU, the wavelength configuration relation table without asking WDM-PON ONU to control plane controller.

S504：Wavelength configuration information is handed down to TDM-PON ONU by TDM-PON OLT.

S502-S504 can register the stage of reaching the standard grade in S501 and complete, or be completed after S501 registrations are reached the standard grade.

S505：TDM-PON ONU carry out wavelength configuration to WDM-PON ONU.

Specifically, when TDM-PON ONU detect that WDM-PON ONU are powered on by control interface CI, TDM-PON ONU couple A kind of embodiment that WDM-PON ONU carry out wavelength configuration is that TDM-PON ONU can perform the side as described in step S402 Formula, which obtains unique instruction, to be needed to be configured the identification code of the WDM-PON ONU of wavelength information, is distributed to according to identification code The wavelength of WDM-PON ONU, WDM-PON ONU are sent to by the wavelength information of distribution, and WDM-PON ONU are according to the wavelength of distribution The transmission wavelength of WDM-PON optical transmit-receive function unit tunable lasers, and/or the reception wavelength of tunable receiver are set；It is another Kind of embodiment is, wavelength configuration relation table is transmitted directly to WDM-PON ONU by TDM-PON ONU, WDM-PON ONU according to Uniquely the identification code of instruction WDM-PON ONU and the correspondence of wavelength obtain the ripple of itself distribution in wavelength configuration relation table It is long, and the transmission wavelength of WDM-PON optical transmit-receive function unit tunable lasers is set, and/or the reception wavelength of tunable receiver.

After WDM-PON optical transmit-receive function units have configured wavelength information, WDM-PON ONU can be to WDM-PON OLT sends configuration successful message, and carries out business data transmission using the wavelength of configuration.

The technical solution provided according to embodiments of the present invention, polymerize WDM-PON, TDM-PON on the basis of TDM-PON ONU obtains wavelength configuration information, and is sent to WDM-PON ONU by control interface, and WDM-PON ONU receive WDM-PON light Send out functional unit and carry out wavelength configuration, realize and the broadband user of existing TDM-PON is smoothly risen without influence, inexpensive network Level, improves network bandwidth, while solves the problems, such as configuration, management and the initialization to WDM-PON wavelength.

Embodiment three

Fig. 6 is that another structure for polymerizeing passive optical network optical network unit HPON ONU according to one embodiment of the invention is shown It is intended to, is the another embodiment of Fig. 3.Specifically, the embodiment of the present invention is by the TDM-PON optical transmit-receive function lists shown in Fig. 3 Member 301, TDM-PON ONU302 and WDM-PON optical transmit-receive functions unit 303 are integrated into an independent optical transmit-receive function unit 600.Optical transmit-receive function unit 600 can have optical signal on independent module or WDM-PON ONU601 veneers The function module of transmission-receiving function.If in the presence of independent module, using the electrical interface of standard, common light is inserted into Mouth switch, it is not necessary to redesign WDM-PON ONU equipments, smooth upgrade can be carried out to existing system at low cost. Optical transmit-receive function unit 600 includes TDM-PON ONU602, WDM-PON optical transmit-receive functions unit 603 and wavelength-division multiplex/demultiplexing Device 604, wherein, TDM-PON optical transmit-receive function units are integrated with TDM-PON ONU602, alternatively, TDM-PON light transmitting-receiving work( Energy unit can also be independent optical transmit-receive function unit.

Specifically, the TDM-PON optical transmit-receive function units in TDM-PON ONU602 realize connecing for the signal of TDM-PON Sending and receiving are sent and are handled, and monitoring information, configuration or management information are provided for optical transmit-receive function unit 600.Wherein, monitoring information bag The information such as transmitting optical power size, received optical power size, temperature are included, configuration or management information can be wavelength configuration information, Specifically include the transmission wavelength of WDM-PON optical transmit-receive functions unit 603 and receive wavelength configuration information.TDM-PON ONU602 roots The wavelength configuration information transmitted according to TDM-PON OLT, passes through TDM-PON ONU602 and WDM-PON optical transmit-receive function units Control interface between 603 sets the transmission wavelength of tunable laser on WDM-PON optical transmit-receive functions unit 603, and/or adjustable The information such as the reception wavelength of receiver.

If the embodiment of the present invention is using HPON ONU as shown in Figure 6 as time division multiplexing, Wavelength division multiplexing-passive light net The ONU of network, then the signaling interaction diagram of the wavelength configuration method of passive optical network of the embodiment of the present invention is as shown in Figure 7：

S701：TDM-PON ONU registrations are reached the standard grade.

TDM-PON ONU complete activation or registration to TDM-PON OLT, start to keep communicating with TDM-PON OLT.

S702：TDM-PON ONU send wavelength configuration request message to TDM-PON OLT.

Specifically, TDM-PON ONU will uniquely indicate that the identification code for needing to be configured the WDM-PON ONU of wavelength information is taken Band asks what is carried in distribution wavelength configuration information request message in wavelength configuration information request message, to TDM-PON OLT The corresponding wavelength of identification code.TDM-PON ONU, which obtain unique instruction, to be needed to be configured the mark of the WDM-PON ONU of wavelength information The embodiment of code is described in detail in S402, and details are not described herein.Alternatively, after S702, TDM-PON OLT Wavelength configuration request message further can be sent to control plane controller, obtain wavelength from control plane controller and match somebody with somebody Confidence ceases.

S703：TDM-PON OLT issue wavelength configuration information to TDM-PON ONU.

After TDM-PON ONU receive wavelength configuration information, it can be led to according to the wavelength information included in wavelength configuration information The transmission wavelength that TDM-PON ONU internal controls unit sets WDM-PON optical transmit-receive function unit tunable lasers is crossed, and/or The transmitting-receiving wavelength of tunable receiver.

After tunable laser and tunable receiver set operation wavelength, when can normally work, optical transmit-receive function list Member 600 sends state instruction and gives WDM-PON ONU, and instruction optical transmit-receive function unit 600 can work normally.State instruction can be with Indicated by status register, or indicated by hardware signal.

Alternatively, the another kind of the embodiment of the present invention is achieved in that, is sent out by TDM-PON ONU to TDM PON OLT The request message for carrying special sign position is sent, to ask the wavelength configuration relation table of WDM-PON ONU, in wavelength configuration relation table Include the identification code of unique instruction WDM-PON ONU under same WDM-PON OLT, and its corresponding WDM-PON The wavelength of ONU.The mode that TDM-PON ONU are performed as described in S402, which obtains unique instruction, to be needed to be configured the WDM- of wavelength information The identification code of PON ONU, obtains corresponding wavelength information according to identification code, is set by TDM-PON ONU internal controls unit The transmission wavelength of WDM-PON optical transmit-receive function unit tunable lasers, and/or the transmitting-receiving wavelength of tunable receiver.

After WDM-PON optical transmit-receive function units have configured wavelength information, WDN-PONONU can be to WDM-PON OLT Configuration successful message is sent, and business data transmission is carried out using the wavelength of configuration.

The technical solution provided according to embodiments of the present invention, polymerize WDM-PON on the basis of TDM-PON, passes through TDM- PON ONU obtain wavelength configuration information, and TDM-PON ONU are by control interface to WDM-PON optical transmit-receive functions unit into traveling wave Long configuration, realizes on the broadband user of existing TDM-PON without influence, inexpensive network smooth upgrade, improves Netowrk tape Width, while solve the problems, such as configuration, management and initialization to WDM-PON wavelength.

Example IV

Fig. 8 is a kind of exemplary flow of the method for passive optical network PON wavelength configuration according to one embodiment of the invention Figure.This method can be shown in Fig. 3 or Fig. 6 HPON ONU perform, wherein, the time division multiplexing tdm-PON optical network units in PON It is connected between ONU and wave division multiplexing WDM-PON ONU by control interface, is included the following steps：

S801：The TDM-PON ONU send wavelength configuration request message, institute to TDM-PON optical line terminal OLTs State the instruction request of wavelength configuration information request message and distribute wavelength to the WDM-PON ONU.

The identification code of unique instruction WDM-PON ONU is carried in specific implementation process, in wavelength configuration information request message, To ask wavelength corresponding with the identification code of unique instruction WDM-PON ONU to TDM-PON OLT；Alternatively, wavelength configuration information The flag bit of instruction request wavelength configuration relation table is carried in request message, to ask wavelength configuration relation to TDM-PON OLT Table.

S802：The TDM-PON ONU receive the wavelength configuration information from the TDM-PON OLT.

S803：The TDM-PON ONU carry out wavelength to the WDM-PON ONU according to the wavelength configuration information and match somebody with somebody Put.

Specifically, wavelength configuration information includes the wavelength of WDM-PON ONU, and TDM-PON ONU are according to WDM-PON ONU's Wavelength carries out wavelength configuration to WDM-PON ONU；Alternatively, wavelength configuration information includes wavelength configuration relation table, wavelength configuration is closed Be table include it is corresponding with the identification code of all WDM-PON ONU of WDM-PON OLT connections and the identification code of WDM-PON ONU Wavelength, TDM-PON ONU obtain corresponding wavelength according to the identification code of unique instruction WDM-PON ONU, to WDM-PON ONU into Row wavelength configuration.

Embodiment five

Fig. 9 is a kind of exemplary flow of the method for passive optical network PON wavelength configuration according to one embodiment of the invention Figure.This method can be performed with OLT, be included the following steps：

S901：Time division multiplexing tdm-PON optical line terminal OLTs receive the wavelength from TDM-PON optical network unit ONUs and match somebody with somebody Information request message is put, the wavelength configuration information request message instruction request distributes wavelength to wave division multiplexing WDM-PON ONU；

The identification code of unique instruction WDM-PON ONU is carried in specific implementation process, in wavelength configuration information request message, TDM-PON OLT distribute wavelength corresponding with the identification code of unique instruction WDM-PON ONU.Alternatively, wavelength configuration information request The flag bit of instruction request wavelength configuration relation table, the flag bit instruction of instruction request wavelength configuration relation table are carried in message TDM-PON OLT send wavelength configuration relation table to TDM-PON ONU.

S902：The TDM-PON OLT send wavelength configuration information, the wavelength configuration letter to the TDM-PON ONU Breath is used to carry out wavelength configuration to the WDM-PON ONU.

Specifically, wavelength configuration information includes the wavelength of the WDM-PON ONU, alternatively, wavelength configuration information includes ripple Long configuration relation table, wavelength configuration relation table include the identification code of all WDM-PON ONU that is connected with WDM-PON OLT and The corresponding wavelength of identification code of WDM-PON ONU.

The technical solution provided according to embodiments of the present invention, polymerize WDM-PON on the basis of TDM-PON, passes through TDM- PON OLT send wavelength configuration information to TDM-PON ONU, which is used to carry out wavelength to WDM-PON ONU Configuration, without disposing expensive AWG, realizes the network smooth upgrade of low cost, to the broadband user of existing TDM-PON without shadow Ring and improve network bandwidth, while solve the problems, such as configuration, management and the initialization to WDM-PON ONU wavelength.

Embodiment six

Figure 10 is the logical construction schematic diagram of the passive optical network device according to one embodiment of the invention.As shown in Figure 10, Passive optical network device is specially that time division multiplexing tdm-PON ONU1001, TDM-PON ONU1001 pass through control interface and wavelength-division Multiplexing WDM-PON optical network unit ONUs 1002 connect.

TDM-PON ONU1001, for sending wavelength configuration request message, institute to TDM-PON optical line terminal OLTs State the instruction request of wavelength configuration information request message and distribute wavelength to WDM-PON ONU1002.

The mark of unique instruction WDM-PON ONU1002 is carried in specific implementation process, in wavelength configuration information request message Code is known, to ask wavelength corresponding with the identification code of unique instruction WDM-PON ONU1002 to TDM-PON OLT；Alternatively, wavelength The flag bit of instruction request wavelength configuration relation table is carried in configuration request message, to ask wavelength to TDM-PON OLT Configuration relation table.

TDM-PON ONU1001, are additionally operable to receive the wavelength configuration information from the TDM-PON OLT, according to described Wavelength configuration information carries out wavelength configuration to the WDM-PON ONU1002.

Specifically, wavelength configuration information includes the wavelength of WDM-PON ONU1002, and TDM-PON ONU1001 are according to WDM- The wavelength of PON ONU1002 carries out wavelength configuration to WDM-PON ONU1002；Alternatively, wavelength configuration information includes wavelength configuration Relation table, wavelength configuration relation table include wavelength configuration relation table and include all WDM-PON being connected with WDM-PON OLT The corresponding wavelength of identification code of the identification code and WDM-PON ONU1002 of ONU1002, TDM-PON ONU1001 are according to uniquely finger Show that the identification code of WDM-PON ONU1002 obtains the corresponding wavelength of identification code of unique instruction WDM-PON ONU1002, to WDM- PON ONU1002 carry out wavelength configuration.

Figure 11 is the logical construction schematic diagram of the passive optical network device according to one embodiment of the invention.As shown in figure 11, Passive optical network device includes：

Wavelength configuration information request message transmitting element 1101, matches somebody with somebody for sending wavelength to TDM-PON optical line terminal OLTs Information request message is put, the wavelength configuration information request message instruction request distributes wavelength to WDM-PON ONU；

Wavelength configuration information receiving unit 1102, is additionally operable to receive the wavelength configuration information from the TDM-PON OLT, Wavelength configuration is carried out to the WDM-PON ONU according to the wavelength configuration information.

The technical solution provided according to embodiments of the present invention, polymerize WDM-PON on the basis of TDM-PON, passes through TDM- PON OLT send wavelength configuration information to TDM-PON ONU, and TDM-PON ONU carry out wavelength configuration, nothing to WDM-PON ONU The AWG of costliness need to be disposed, realize the network smooth upgrade of low cost, on the broadband user of existing TDM-PON without influencing and Network bandwidth is improved, while solves the problems, such as configuration, management and the initialization to WDM-PON ONU wavelength.

Embodiment seven

Figure 12 is the logical construction schematic diagram of the passive optical network equipment according to one embodiment of the invention.As shown in figure 12, Passive optical network device is specially TDM-PON OLT1201：

TDM-PON OLT1201, please for receiving the wavelength configuration information from TDM-PON optical network unit ONUs 1202 Message is sought, the wavelength configuration information request message instruction request distributes wavelength to WDM-PON ONU.

The identification code of unique instruction WDM-PON ONU is carried in specific implementation process, in wavelength configuration information request message, TDM-PON OLT1201 distribute wavelength corresponding with the identification code of unique instruction WDM-PON ONU.Alternatively, wavelength configuration information The flag bit of instruction request wavelength configuration relation table is carried in request message, the flag bit of instruction request wavelength configuration relation table refers to Show that TDM-PON OLT1201 send wavelength configuration relation table to TDM-PON ONU1202.

TDM-PON OLT1201, are additionally operable to send wavelength configuration information, the wavelength to the TDM-PON ONU1202 Configuration information is used to carry out wavelength configuration to the WDM-PON ONU.

Figure 13 is the logical construction schematic diagram of the passive optical network equipment according to one embodiment of the invention.As shown in figure 13, Passive optical network equipment includes：

Wavelength configuration information request message receiving unit 1301, for receiving the ripple from TDM-PON optical network unit ONUs Long configuration request message, the wavelength configuration information request message instruction request distribute wavelength to WDM-PON ONU；

Wavelength configuration information transmitting unit 1302, is additionally operable to send wavelength configuration information to the TDM-PON ONU, described Wavelength configuration information is used to carry out wavelength configuration to the WDM-PON ONU.

Embodiment eight

Figure 14 is the logical construction schematic diagram of the passive optical network according to one embodiment of the invention.As shown in figure 14, In the system, time division multiplexing tdm-PON and wave division multiplexing WDM-PON are coupled, which includes：

TDM-PON optical network unit ONUs 1401, for sending wavelength configuration letter to TDM-PON optical line terminal OLTs 1402 Request message is ceased, the wavelength configuration information request message instruction request distributes wavelength to WDM-PON ONU1403.

Alternatively, TDM-PON OLT1402, for being connected with control plane controller, control to the control plane Device sends wavelength configuration request message, and receives the wavelength configuration information from control plane controller.

The mark of unique instruction WDM-PON ONU1403 is carried in specific implementation process, in wavelength configuration information request message Know code, identification code distribution and unique instruction WDM-PON of the TDM-PON OLT1402 according to unique instruction WDM-PON ONU1403 The corresponding wavelength of identification code of ONU1403.Alternatively, instruction request wavelength configuration relation is carried in wavelength configuration information request message The flag bit of table, TDM-PON OLT1402 are according to the flag bit of instruction request wavelength configuration relation table to TDM-PON ONU1401 Send wavelength configuration relation table.

TDM-PON OLT1402, for according to the wavelength configuration information request message, being sent out to TDM-PON ONU1401 Send wavelength configuration information.

TDM-PON ONU1401, for receiving the wavelength configuration information and according to the wavelength configuration information to described WDM-PON ONU1403 carry out wavelength configuration.

Alternatively, wavelength configuration information is transmitted to WDM-PON ONU1403, WDM-PON by TDM-PON ONU1401 ONU1403 carries out wavelength configuration according to wavelength configuration information.

Specifically, wavelength configuration information includes the wavelength of WDM-PON ONU1403, and TDM-PON ONU1401 are according to configuration The wavelength of WDM-PON ONU1403 carries out wavelength configuration to WDM-PON ONU1403 in information.Alternatively, wavelength configuration packet Relation table containing wavelength configuration, wavelength configuration relation table include the identification code of unique instruction WDM-PON ONU1403 and unique instruction The corresponding wavelength of identification code of WDM-PON ONU1403, TDM-PON ONU1401 are according to unique instruction WDM-PON ONU1403 Identification code obtain the corresponding wavelength of identification code of unique instruction WDM-PON ONU1403, to WDM-PON ONU1403 into traveling wave Long configuration.

Embodiment nine

Figure 15 is the structure diagram of the computer equipment 1500 of the passive optical network PON according to one embodiment of the invention. As shown in figure 15, computer equipment 1500 includes processor 1501, memory 1502, input/output interface 1503, communication interface 1504 and bus 1505.Wherein, processor 1501, memory 1502, input/output interface 1503 and communication interface 1504 pass through Communication connection between the realization of bus 1505.

Processor 1501 can use general central processing unit (Central Processing Unit, CPU), micro- place Reason device, application specific integrated circuit (Application Specific Integrated Circuit, ASIC), or at least One integrated circuit, for performing relative program, to realize technical solution that the embodiment of the present invention is provided.

Memory 1502 can be read-only storage (Read Only Memory, ROM), and static storage device, is dynamically deposited Store up equipment or random access memory (Random Access Memory, RAM).Memory 1502 can store an operating system And other applications.When by software or firmware to realize technical solution provided in an embodiment of the present invention, it is used for realization The program code of technical solution provided in an embodiment of the present invention is stored in memory 1502, and is performed by processor 1501.

Input/output interface 1503 is used for the data such as the data and information for receiving input, output operating result.

Communication interface 1504 is using the R-T unit for being such as, but not limited to transceiver one kind, to realize computer equipment 1500 Communication between other equipment or communication network.

Bus 1505 may include a path, in 1500 all parts of computer equipment (such as processor 1501, memory 1502nd, input/output interface 1503 and communication interface 1504) between transmit information.

In specific implementation process, the TDM-PON ONU are by communication interface 1504 to TDM-PON optical line terminal OLTs Wavelength configuration request message is sent, the wavelength configuration information request message instruction request is to the WDM-PON ONU points With wavelength；Wavelength configuration information from the TDM-PON OLT is received by communication interface 1504；The TDM-PON ONU The code for being stored in memory 1502 is performed by processor 1501, is realized according to the wavelength configuration information to the WDM- PON ONU carry out wavelength configuration.

In specific implementation process, time division multiplexing tdm-PON optical line terminal OLTs are received by communication interface 1004 and come from The wavelength configuration information request message of TDM-PON optical network unit ONUs, the wavelength configuration information request message instruction request pair Wave division multiplexing WDM-PON ONU distribute wavelength；The TDM-PON OLT are performed by processor 1001 and are stored in memory 1002 Code, realize by communication interface 1004 to the TDM-PON ONU send wavelength configuration information, the wavelength configuration information For carrying out wavelength configuration to the WDM-PON ONU.

It should be noted that although the computer equipment 1000 shown in Figure 10 illustrate only processor 1001, memory 1002, defeated Enter/output interface 1003, communication interface 1004 and bus 1005, but during specific implementation, those skilled in the art Member is it should be understood that computer equipment 1000 also includes other devices necessary to realizing normal operation.Meanwhile according to specific need Will, it should be apparent to a person skilled in the art that computer equipment 1000 can also include the hardware device for realizing other additional functions. In addition, it should be apparent to a person skilled in the art that computer equipment 1000, which also can be included only, realizes that the embodiment of the present invention must The device of palpus, without including whole devices shown in Figure 10.

Technical solution more than, polymerize WDM-PON on the basis of TDM-PON, by TDM-PON OLT to TDM- PON ONU send wavelength configuration information, and TDM-PON ONU carry out wavelength configuration to WDM-PON ONU, without disposing costliness AWG, realizes the network smooth upgrade of low cost, on the broadband user of existing TDM-PON without influencing and improve Netowrk tape Width, while solve the problems, such as configuration, management and initialization to WDM-PON ONU wavelength.

It will be recognized by those of ordinary skill in the art that the possibility implementation of various aspects of the invention or various aspects It can be embodied as system, method or computer program product.Therefore, each aspect of the present invention or various aspects Possible implementation can use complete hardware embodiment, complete software embodiment (including firmware, resident software etc.), or The form of the embodiment of integration software and hardware aspect.In addition, the possibility implementation of each aspect of the present invention or various aspects The form of computer program product can be used, computer program product refers to be stored in the computer in computer-readable medium Readable program code.

Computer-readable medium can be computer-readable signal media or computer-readable recording medium.Computer can Read storage medium including but not limited to electronics, magnetism, optics, electromagnetism, infrared or semiconductor system, equipment either device or Foregoing is any appropriately combined, such as random access memory (RAM), read-only storage (ROM), the read-only storage of erasable programmable Device (EPROM or flash memory), optical fiber, portable read-only storage (CD-ROM).

Processor in computer reads the computer readable program code being stored in computer-readable medium so that place Reason device is able to carry out function action specified in the combination of each step or each step in flow charts；Generation is implemented in block diagram Each piece or each piece of combination specified in function action device.

Computer readable program code can be performed completely on the computer of user, partly held on the computer of user Row, as single software kit, partly on the computer of user and part on the remote computer, or completely long-range Performed on computer or server.It is also noted that in some alternate embodiments, each step or frame in flow charts Each piece of function of indicating may not be occurred by the order indicated in figure in figure.For example, dependent on involved function, show in succession Two steps or two blocks gone out may be actually executed substantially concurrently, or these blocks sometimes may be by with opposite suitable Sequence performs.

Those of ordinary skill in the art may realize that each exemplary list described with reference to the embodiments described herein Member and algorithm steps, can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually Performed with hardware or software mode, application-specific and design constraint depending on technical solution.Professional technician Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed The scope of the present invention.

The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained Cover within protection scope of the present invention.Therefore, protection scope of the present invention answers the scope of the claims of being subject to.

The foregoing is merely several embodiments of the present invention, those skilled in the art is according to can be with disclosed in application documents Various changes or modifications are carried out without departing from the spirit and scope of the present invention to the present invention.

Claims

A kind of 1. method of passive optical network PON wavelength configuration, it is characterised in that the time division multiplexing tdm-PON light in the PON It is connected between network unit ONU and wave division multiplexing WDM-PON ONU by control interface, the described method includes：

The TDM-PON ONU send wavelength configuration request message to TDM-PON optical line terminal OLTs, and the wavelength is matched somebody with somebody Put information request message instruction request and distribute wavelength to the WDM-PON ONU；

The TDM-PON ONU receive the wavelength configuration information from the TDM-PON OLT；

The TDM-PON ONU carry out wavelength configuration according to the wavelength configuration information to the WDM-PON ONU.
2. the method as described in claim 1, it is characterised in that the wavelength configuration information includes the wavelength of WDM-PON ONU, The TDM-PON ONU carry out wavelength configuration according to the wavelength configuration information to the WDM-PON ONU to be included：

The TDM-PON ONU carry out wavelength configuration according to the wavelength of the WDM-PON ONU to WDM-PON ONU.
3. the method as described in claim 1, it is characterised in that the wavelength configuration information includes wavelength configuration relation table, institute State the wavelength information that wavelength configuration relation table includes all WDM-PON ONU being connected with WDM-PON OLT, the TDM-PON ONU carries out wavelength configuration according to the wavelength configuration information to the WDM-PON ONU to be included：

The TDM-PON ONU obtain the identification code for uniquely indicating the WDM-PON ONU, from the wavelength configuration relation table The corresponding wavelength of the identification code is obtained, wavelength configuration is carried out to the WDM-PON ONU.
4. method as claimed in claim 2, it is characterised in that unique instruction is carried in the wavelength configuration information request message The identification code of the WDM-PON ONU, the identification code are used to ask to the TDM-PON OLT corresponding with the identification code Wavelength.
5. method as claimed in claim 3, it is characterised in that instruction request is carried in the wavelength configuration information request message The flag bit of the wavelength information for all WDM-PON ONU being connected with WDM-PON OLT, the flag bit are used for the TDM- The wavelength information for all WDM-PON ONU being connected described in PON OLT requests with WDM-PON OLT.
A kind of 6. method of passive optical network PON wavelength configuration, it is characterised in that the described method includes：

Time division multiplexing tdm-PON optical line terminal OLTs receive the wavelength configuration information from TDM-PON optical network unit ONUs please Message is sought, the wavelength configuration information request message instruction request distributes wavelength to wave division multiplexing WDM-PON ONU；

The TDM-PON OLT send wavelength configuration information to the TDM-PON ONU, and the wavelength configuration information is used for institute State WDM-PON ONU and carry out wavelength configuration.
7. method as claimed in claim 6, it is characterised in that wherein：

The wavelength configuration information includes the wavelength of the WDM-PON ONU.
8. method as claimed in claim 6, it is characterised in that wherein：

The wavelength configuration information includes wavelength configuration relation table, and the wavelength configuration relation table is included to be connected with WDM-PON OLT The wavelength information of all WDM-PON ONU connect.
9. the method for claim 7, it is characterised in that unique instruction is carried in the wavelength configuration information request message The identification code of the WDM-PON ONU, is stored with the identification code and the WDM-PON ONU ripples in the TDM-PON OLT Long correspondence, the TDM-PON OLT distribute wavelength according to the identification code for the WDM-PON ONU.
10. method as claimed in claim 8, it is characterised in that instruction is carried in the wavelength configuration information request message please The flag bit of the wavelength information for all WDM-PON ONU being connected with WDM-PON OLT is sought, the flag bit is used to indicate described The wavelength for all WDM-PON ONU being connected described in TDM-PON OLT to TDM-PON ONU transmissions with WDM-PON OLT Information.
11. the method as described in claim 6-10 is any, it is characterised in that the TDM-PON OLT are received and come from TDM-PON After the wavelength configuration information request message of ONU, further include：

The TDM-PON OLT are after the wavelength configuration information request message is received, from described in the acquisition of control plane controller Wavelength configuration information.
12. a kind of passive optical network PON device, it is characterised in that the passive optical network device includes：By control interface with Time division multiplexing tdm-PON the ONU of wave division multiplexing WDM-PON optical network unit ONUs connection；

The TDM-PON ONU, for sending wavelength configuration request message, the ripple to TDM-PON optical line terminal OLTs Long configuration request message instruction request distributes wavelength to WDM-PON ONU；

The TDM-PON ONU, are additionally operable to receive the wavelength configuration information from the TDM-PON OLT, according to the wavelength Configuration information carries out wavelength configuration to the WDM-PON ONU.
13. passive optical network device as claimed in claim 12, it is characterised in that wherein：

The wavelength configuration information includes the wavelength of the WDM-PON ONU, and the TDM-PON ONU are used for according to the wavelength Wavelength configuration is carried out to the WDM-PON ONU.
14. passive optical network device as claimed in claim 12, it is characterised in that wherein：

The wavelength configuration information includes wavelength configuration relation table, and the wavelength configuration relation table is included to be connected with WDM-PON OLT The wavelength information of all WDM-PON ONU connect；

The TDM-PON ONU are used to obtain the identification code for uniquely indicating the WDM-PON ONU, from the wavelength configuration relation The corresponding wavelength of the identification code is obtained in table, wavelength configuration is carried out to the WDM-PON ONU.
15. passive optical network device as claimed in claim 13, it is characterised in that wherein：

The identification code for uniquely indicating the WDM-PON ONU, the identification code are carried in the wavelength configuration information request message For distributing wavelength corresponding with the identification code to TDM-PON OLT requests.
16. passive optical network device as claimed in claim 14, it is characterised in that wherein：

All WDM-PON that instruction instruction request is connected with WDM-PON OLT are carried in the wavelength configuration information request message The flag bit of the wavelength information of ONU, the flag bit are used to WDM-PON OLT connect to TDM-PON OLT requests are described The wavelength information of all WDM-PON ONU connect.
17. a kind of passive optical network PON equipment, it is characterised in that the passive optical network equipment includes：

TDM-PON OLT, for receiving the wavelength configuration information request message from TDM-PON optical network unit ONUs, the ripple Long configuration request message instruction request distributes wavelength to WDM-PON ONU；

The TDM-PON OLT, are additionally operable to send wavelength configuration information, the wavelength configuration information to the TDM-PON ONU For carrying out wavelength configuration to the WDM-PON ONU.
18. passive optical network equipment as claimed in claim 17, it is characterised in that the wavelength configuration information includes described The wavelength of WDM-PON ONU.
19. passive optical network equipment as claimed in claim 17, it is characterised in that the wavelength configuration information is matched somebody with somebody including wavelength Relation table is put, the wavelength configuration relation table includes the wavelength information for all WDM-PON ONU being connected with WDM-PON OLT.
20. passive optical network equipment as claimed in claim 18, it is characterised in that wherein：

The identification code for uniquely indicating the WDM-PON ONU, the TDM-PON are carried in the wavelength configuration information request message The correspondence of the identification code and the WDM-PON ONU wavelength is stored with OLT, the TDM-PON OLT are used for basis The identification code distributes wavelength for the WDM-PON ONU.
21. passive optical network equipment as claimed in claim 19, it is characterised in that wherein：

The wavelength configuration information request message carries all WDM-PON ONU's that instruction request is connected with WDM-PON OLT The flag bit of wavelength information, the flag bit be used to indicating the TDM-PON OLT to the TDM-PON ONU send it is described with The wavelength information of all WDM-PON ONU of WDM-PON OLT connections.
22. the passive optical network equipment as described in claim 17-21 is any, it is characterised in that wherein：

The TDM-PON OLT are used for after the wavelength configuration information request message is received, and are obtained from control plane controller The wavelength configuration information.
A kind of 23. passive optical network PON system, it is characterised in that in the system, time division multiplexing tdm-PON and wavelength-division multiplex WDM-PON is coupled, the system comprises：

TDM-PON optical network unit ONUs, for sending wavelength configuration request message to TDM-PON optical line terminal OLTs, The wavelength configuration information request message instruction request distributes wavelength to WDM-PON ONU；

The TDM-PON OLT, for according to the wavelength configuration information request message, sending wavelength to TDM-PON ONU and matching somebody with somebody Confidence ceases；

The TDM-PON ONU, for receiving the wavelength configuration information and according to the wavelength configuration information to the WDM- PON ONU carry out wavelength configuration.
24. system as claimed in claim 23, it is characterised in that further include Optical Distribution Network：

The Optical Distribution Network, equipped with the first optical splitter and the second optical splitter, the splitting ratio of second optical splitter is than first point The splitting ratio of light device is small, and first optical splitter is connected with TDM-PON ONU, and second optical splitter is with including WDM-PON The passive optical network device of ONU is connected.