CN102318279A - High-speed optical signal control unit, parent station device, and grant allocation method - Google Patents
High-speed optical signal control unit, parent station device, and grant allocation method Download PDFInfo
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- CN102318279A CN102318279A CN2009801564530A CN200980156453A CN102318279A CN 102318279 A CN102318279 A CN 102318279A CN 2009801564530 A CN2009801564530 A CN 2009801564530A CN 200980156453 A CN200980156453 A CN 200980156453A CN 102318279 A CN102318279 A CN 102318279A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0278—WDM optical network architectures
- H04J14/0282—WDM tree architectures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/27—Arrangements for networking
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- 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
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
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Abstract
A high-speed optical signal control unit includes: a DBA scheduler unit (43) which outputs Report information on a child station device (ONU) of a 10G-PON system as Report information on the local device and allocates a grant allocated from a 1G-OLTMAC unit (6) to the ONU; a 10G control message termination unit (42) which outputs the ONU Report information to the DBA scheduler unit (43); a 10G control message generation unit (46) which outputs to the ONU, a Gate frame based on the grant allocated by the DBA scheduler unit (43); a 1G control message generation unit (44) which outputs a Report frame based on the Report information in the DBA scheduler unit (43), to the 1G-OLTMAC unit (6); and a 1G control message termination unit (45) which outputs Gate information in the 1G OLTMAC unit (6) to the DBA scheduler unit (43).
Description
Technical field
The present invention relates to the high-speed optical signal control part in the PON system of a kind of 1G/10G coexistence.
Background technology
In recent years; Carrying out with optical fiber connect the PON that master station device (OLT:Optical Line Terminal (optical line terminal)) and a plurality of sub-station devices (ONU:Optical Network Unit (optical network unit)) form (Passive Optical Network: the exploitation of system EPON), popularizing data communication is all carried out in uplink and downlink with the transmission speed of 1Gbps level 1G-PON (1gigabit-Passive Optical Network) system.In addition, begin one's study and the transmission speed of uplink and downlink is turned to 10G-PON (the 10gigabit-Passive Optical Network) system of 10Gbps level at a high speed.The area that uses original 1G-PON system is being introduced under the situation of 10G-PON system; If newly lay optical networking; Therefore then spend cost, needing be directed against optical networking and original 1G-PON system in using shared on one side is that unit upgrades to the 10G-PON system with entrant.
As upgrade method two kinds of methods are arranged, select which kind of method to depend on the method for service of common carrier.In following non-patent literature 1, disclose, as up wavelength overlapping situation in 1G/10G, based on TDMA (Time Division Multiple Access: the time division multiple access) coexistence method of mode.In this case, original OLT is replaced into 1G/10G dual rate OLT.In addition, in following non-patent literature 2, disclose up wavelength in 1G/10G under nonoverlapping situation based on WDMA (Wave Division Multiple Access: the coexistence method of mode wavelength division multiple access).In this case, the OLT that original 1G is used appends OLT and WDM (the Wavelength Division Multiplexing: Wave division multiplexing) that 10G uses.
Non-patent literature 1:IEEE Draft802.3av D2.0
Non-patent literature 2:ITU-T G.984.5
Summary of the invention
(problem that invention will solve)
Yet; According to above-mentioned technology (non-patent literature 1) in the past; The optical line terminal medium access control) and the OLTMAC that uses of the 1G/10G of these two kinds of functions of OLTMAC of using of 1G TDMA makes under the situation of the OLT that 1G/10G uses in supposition, need have the light signal control part that 10G uses (OLTMAC:Optical Line Terminal Media Access Control:.Therefore, finish and all ONU are switched under the situation of the ONU that 10G uses at the coexisting state of 1G/10G, the OLT that exists following problem: 1G/10G to use has the circuit that unwanted 1G uses, and expensive can't realize low power consumption.
In addition; Use with above-mentioned 1G/10G be used for general OLTMAC WDMA OLT situation and to the area of not using original 1G-PON system newly under the situation of application 1 0G-PON system; Likewise have following problem: the OLT that is used for using as 10G has the circuit that unwanted 1G uses; Expensive can't realize low power consumption.
The present invention is In view of the foregoing and accomplishes, and its purpose is to obtain the light signal of the PON system that a kind of 10G of control uses and the 10G-OLTMAC (high-speed optical signal control part) of the OLT coexistence that in the TDMA mode, can use with original 1G.
(scheme that is used to deal with problems)
In order to address the above problem and to achieve the goal; The present invention is the high-speed optical signal control device in the main website of PON system (parent station) device; Wherein, This PON system is that fast high-speed optical signal of transmission speed and the low speed light signal slower than this high-speed optical signal mix existence, and is directed against the system that upward signal communicates through the TDMA mode, and this master station device possesses the said high-speed optical signal control device of the transmitting-receiving of controlling high-speed optical signal and the low speed light signal control device of the transmitting-receiving of control low speed light signal; This high-speed optical signal control device is characterised in that; Possess: high-speed optical signal control messages terminal unit, (child station) device receives report (Report) frame from high-speed optical signal PON substation, and extracts report information from this frame; Wherein, this high-speed optical signal PON sub-station device sub-station device of being to use high-speed optical signal to communicate; Low speed light signal control messages terminal unit receives gating (Gate) frame from said low speed light signal control device, and extracts gated information from this frame; Authority (grant) allocation units; Getting access under the situation of report information from said high-speed optical signal control messages terminal unit; This report information is regenerated report information and output into this master station device, and, getting access under the situation of gated information from said low speed light signal control messages terminal unit; According to the report information that gets access to from said high-speed optical signal control messages terminal unit, divide the pairing authority that this master station device distributes to said high-speed optical signal PON sub-station device; Low speed light signal control messages generation unit generates the report frame according to the report information that gets access to from said right assignment unit, and this report frame is outputed to said low speed light signal control device; High-speed optical signal control messages generation unit generates the gating frame according to the authority of distributing through said right assignment unit, and this gating frame is outputed to said high-speed optical signal PON sub-station device.
(effect of invention)
According to 10G-OLTMAC involved in the present invention (high-speed optical signal control part), play following effect: in the TDMA mode, can append the structure that 10G-OLT uses easily and with low cost, after carrying out the transition to the 10G-PON system, can realize low power consumption.In addition, play following effect: about the situation that is used in the WDMA mode, the situation of 10G-PON system is carried out in the area of not using the 1G-PON system, also can use general 10G-OLTMAC, and price is not high, can avoid the increase of power consumption.
Description of drawings
Fig. 1 is the figure of the structure example of expression 1G/10GOLT portion.
Fig. 2 is the figure of the wavelength configuration of expression signal.
Fig. 3 is the time diagram of the processing of expression till sending data.
Fig. 4-the 1st, the figure of structure example of the tdma system of 10G-PON system is appended in expression.
Fig. 4-the 2nd, the figure of structure example of the WDMA system of 10G-PON system is appended in expression.
Fig. 5 is the figure of expression to the state transitions of the upgrading of 10G-PON system.
(description of reference numerals)
1:WDM portion; 2: shunt portion; 3:10G-PHY portion; 4:10G-OLTMAC portion; 5:WDM portion; 6:1G-OLTMAC portion; 7:WDM portion; 8:WDM portion; 9:1G-PHY portion; 31: acceptance division; 32:BCDR portion; 33: sending part; 41:WDM portion; 42:10G control messages terminal part; 43:DBA scheduling portion; 44:1G control messages generation portion; 45:1G control messages terminal part; 46:10G control messages generation portion; 47:WDM portion; 61:WDM portion; 62:1G control messages terminal part; 63:DBA scheduling portion; 64:1G control messages generation portion; 65:WDM portion; 91: acceptance division; 92:BCDR portion; 93: sending part; 100:1G/10G-OLT portion.
Embodiment
Below, according to the execution mode of accompanying drawing detailed description 10G-OLTMAC involved in the present invention.In addition, the present invention is not limited to this execution mode.
Execution mode
Master station device (OLT:Optical Line Terminal) the control PON system that comprises the 10G-OLTMAC (Optical Line Terminal Media Access Control) of this execution mode is connected with the sub-station device (ONU:Optical Network Unit) of a plurality of 1G-PON system and the ONU of a plurality of 10G-PON system respectively in this PON system.Fig. 1 is the figure of structure example of the master station device (1G/10G-OLT) of the expression 10G-OLTMAC that comprises this execution mode.Communicating by letter between 1G/10G-OLT portion 100 control and the ONU that is connected to the 1G-PON system, in addition, control with the ONU that is connected to the 10G-PON system between communicate by letter.1G/10G-OLT portion 100 possesses WDM (Wavelength Division Multiplexing) portion 1, (splitter) portion 2,10G-PHY (Physical Layer Device: physical layer equipment) portion 3,10G-OLTMAC portion 4, WDM portion 5,1G-OLTMAC portion 6, WDM portion 7, WDM portion 8 and 1G-PHY portion 9 along separate routes.
The light signal that WDM portion 1 receives from the PON interface to 2 outputs of shunt portion from each ONU.In addition, will output to each ONU via the PON interface from the light signal that closes behind the ripple that WDM portion 8 receives.Shunt portion 2 is the splitters that carry out 1: 2 branch, received 1G/10G is mixed the uplink optical signal that exists carry out branch and output to 10G- PHY portion 3 and 1G-PHY portion 9.
10G-PHY portion 3 carries out the transmitting-receiving of 10G light signal in the 10G-PON system.Receiving under the situation of light signal, converting the processing of the signal of telecommunication into, in addition, will be light signal from the electrical signal conversion that 10G-OLTMAC portion 4 receives.10G-PHY portion 3 possesses acceptance division 31, BCDR (Burst Clock and Data Recovery: the burst clock and data recovery) portion 32 and sending part 33.Acceptance division 31 converts the light signal that receives into the signal of telecommunication and exports.BCDR portion 32 isolates clock and data suddenly from the signal of telecommunication that receives, carry out bit synchronization.Sending part 33 is light signal with the signal that is sent from electrical signal conversion.
10G-OLTMAC portion 4 is MAC portions of the OLT of control 10G-PON system.In this execution mode, 10G-OLTMAC portion 4 with situation that 1G-OLTMAC portion 6 is being connected under, move as ONU with respect to 1G-OLTMAC portion 6.10G-OLTMAC portion 4 possesses WDM portion 41,10G control messages terminal part 42, DBA (Dynamic Bandwidth Assignment) scheduling portion 43,1G control messages generation portion 44,1G control messages terminal part 45,10G control messages generation portion 46 and WDM portion 47.
1G-OLTMAC portion 6 is MAC portions of the OLT of control 1G-PON system.In addition, with ONU in the 1G-PON system likewise, 10G-OLTMAC portion 4 is carried out the distribution of the authority among the TDMA.1G-OLTMAC portion 6 possesses WDM portion 61,1G control messages terminal part 62, DBA scheduling portion 63,1G control messages generation portion 64 and WDM portion 65.
WDM portion 7 will carry out branch and output to 10G-OLTMAC portion 4 and 1G-PHY portion 9 from the signal of 1G-OLTMAC portion 6.WDM portion 8 will close ripple and output to WDM portion 1 from the descending 10G light signal of 10G-PHY portion 3 and descending 1G light signal from 1G-PHY portion 9.
1G-PHY portion 9 carries out the transmitting-receiving of 1G light signal in the 1G-PON system.Receiving under the situation of light signal, converting the processing of the signal of telecommunication into, in addition, will be light signal from the electrical signal conversion that 1G-OLTMAC portion 6 receives.1G-PHY portion 9 possesses acceptance division 91, BCDR portion 92 and sending part 93.Acceptance division 91 converts the light signal that receives into the signal of telecommunication and exports.BCDR portion 92 isolates clock and data from the signal of telecommunication that receives suddenly, carries out bit synchronization.Sending part 93 is light signal with the signal that is sent from electrical signal conversion.
The wavelength configuration of the signal in each the PON system that uses in this execution mode then, is described.Fig. 2 is the figure of the wavelength configuration of each signal of expression.In the original 1G-PON system that in IEEE, stipulates, upward signal is 1260nm～1360nm band, and downstream signal is 1480nm～1500nm band.On the other hand, in the 10G-PON system of newly appending, upward signal is 1260nm～1280nm band, and downstream signal is 1574nm～1580nm band.Like this, because the band overlapping of upward signal, therefore need to carry out the two PON system of 1G and 10G the OLTMAC portion of the right assignment in the TDMA mode.
In addition, in the 1G-PON system that in ITU-T, stipulates, (frequency band is that 1290nm～1330nm), the frequency band of the signal that therefore uses is not overlapping to the main flow of the upward signal of 1G in order to simplify (Reduced) type.Therefore, can realize coexistence based on the WDMA mode.
The transmitting-receiving of the signal of OLT and ONU in each PON system in this execution mode then, is described.Fig. 3 is the time diagram of the processing of expression till the ONU of each PON system sends data.At this, be connected with in the 10G-PON system two ONU (10G-ONU#1,10G-ONU#2).In addition, (1G-ONU#1 is 1G-ONU#2) and as the 10G-OLTMAC portion 4 of 1G-ONU#3 to be connected with two ONU in the 1G-PON system.Processing when each ONU sends data according to the authority of being distributed after sending the report frame is described.
At first, processing till 10G-ONU#1 sends data is described.10G-ONU#1 is in order to send data, and the report frame that will comprise report information sends to 10G-OLTMAC portion 4.In 1G/10G-OLT portion 100, after receiving the report frame, carry out branch and output to 10G-PHY portion 3 by shunt portion 2 by WDM portion 1.At this, acceptance division 31 converts light signal into the signal of telecommunication, isolates clock and data carry out will reporting that frame outputs to 10G-OLTMAC portion 4 after the bit synchronization by BCDR portion 32.In 10G-OLTMAC portion 4,10G control messages terminal part 42 receives the report frame via WDM portion 41.10G control messages terminal part 42 extracts report information and outputs to DBA scheduling portion 43 from the report frame.DBA scheduling portion 43 will generate from the report information of each 10G-ONU report information as 10G-OLTMAC portion 4 (1G-ONU#3) after receiving from the report information of other ONU (10G-ONU#2), and output to 1G control messages generation portion 44.1G control messages generation portion 44 generates the report frame as 10G-OLTMAC portion 4 (1G-ONU#3) according to each received report information, and outputs to 1G-OLTMAC portion 6 via WDM portion 5.
In 1G-OLTMAC portion 6,1G control messages terminal part 62 receives the report frame via WDM portion 61.1G control messages terminal part 62 extracts report information and outputs to DBA scheduling portion 63 from the report frame.(1G-ONU#1 carries out the control of the frequency band (authority) in each ONU cycle #n according to separately report information after report information 1G-ONU#2) from other ONU receiving in DBA scheduling portion 63.At this moment, the authority about distributing to 1G-ONU#3 (10G-OLTMAC portion 4) both can fix it through the DBA variation of parameter, also can make it variable according to the report information from 1G-ONU#3.To the authority of 1G control messages generation portion 64 outputs to each ONU distribution.1G control messages generation portion 64 generates the gating frame according to the authority that 1G-ONU#3 (10G-OLTMAC portion 4) is distributed to 1G-ONU#3 (10G-OLTMAC portion 4), and outputs to WDM portion 7 via WDM portion 65.WDM portion 7 is to the gating frame of 1G-ONU#3 (10G-OLTMAC portion 4) output needle to 1G-ONU#3 (10G-OLTMAC portion 4).
In 10G-OLTMAC portion 4,1G control messages terminal part 45 extracts gated information and outputs to DBA scheduling portion 43 from the gating frame.(from GS (Grant Starttime: the authority time started) 10G-PON of 3 beginnings use authority) is the authority to 1G-ONU#3 (10G-OLTMAC portion 4) distribution, and also is the authority to the 10G-PON system assignment to be included in the authority that is assigned with in this gated information.DBA scheduling portion 43 at first obtains the synchronous of timestamp (time stamp) according to received gated information and 1G-OLTMAC portion 6.Thus, in the time slot of the circulation #n that sends data, can obtain the coupling of the time started of authority.Then, according to report information, carry out the authority of distributing from 1G-OLTMAC portion 6 is further distributed to the control of each 10G-ONU from 10G-ONU#1 and 10G-ONU#2.To the authority of 10G control messages generation portion 46 outputs to each ONU distribution.10G control messages generation portion 46 generates the gating frame to 10G-ONU#1 according to the authority of distributing to 10G-ONU#1, and outputs to 10G-PHY portion 3 via WDM portion 47.
In 10G-PHY portion 3, sending part 33 outputs to WDM portion 8 with the gating frame after electrical signal conversion is light signal.WDM portion 8 will close ripple and output to WDM portion 1 from the light signal (gating frame) of 10G-PHY portion 3 with from the light signal of 1G-PHY portion 9.The signal that WDM portion 1 will close behind the ripple outputs to 10G-ONU# 1 via the PON interface.10G-ONU# 1 receives the gating frame, according to the beginning of the authority of being distributed regularly (timing) (GS3) and authority length carry out the transmission of data.After, 10G-ONU#1 is according to the transmission of carrying out data from the gating frame of 10G-OLTMAC portion 4.In addition, exist under the data conditions that then should send, the transmission of 10G-ONU# 1 and data will report that correspondingly frame sends to 10G-OLTMAC portion 4.
10G-ONU#2 will report that frame sends to 10G-OLTMAC portion 4 and receive the processing of sending after the gating frame till the data identical with the situation of above-mentioned 10G-ONU#1.10G-ONU#2 carries out the transmission of data according to the beginning timing (GS4) and the authority length of the authority of distributing to 10G-ONU#2.
Like this, 10G-OLTMAC portion 4 will send to 1G-OLTMAC portion 6 as the report information of 1G-ONU# 3 from the report information of each 10G-ONU that is connected with the 10G-PON system.1G-OLTMAC portion 6 distributes authority through the processing identical with other 1G-ONU to 1G-ONU#3 (10G-OLTMAC portion 4).1G-ONU#3 (10G-OLTMAC portion 4) can control the transmitting-receiving of the data in the 10G-PON system through distributing to each 10G-ONU once more to the authority that this device distributes.That is, authority of distributing as 1G-PON usefulness and the authority of distributing as 10G-PON usefulness are not overlapping, and can utilize the authority in the circulation #n.In this execution mode, 10G-OLTMAC portion 4 can realize the coexistence of 1G-PON system and 10G-PON system through moving as 1G-ONU with respect to 1G-OLTMAC portion 6.In addition, under the situation that does not have 1G-OLTMAC portion 6 (10G-PON system), 10G-OLTMAC portion 4 moves as main equipment (master).
Then, processing till 1G-ONU#1 sends data is described.1G-ONU#1 sends the report frame that comprises report information in order to send data to 1G-OLTMAC portion 6.In 1G/10G-OLT portion 100, after receiving the report frame, carry out branch and output to 1G-PHY portion 9 by shunt portion 2 by WDM portion 1.At this, convert light signal into the signal of telecommunication by acceptance division 91, isolate clock and data carry out will reporting that frame outputs to WDM portion 5 after the bit synchronization by BCDR portion 92.WDM portion 5 will report that frame outputs to 1G-OLTMAC portion 6.In 1G-OLTMAC portion 6,1G control messages terminal part 62 receives the report frame via WDM portion 61.1G control messages terminal part 62 extracts report information and outputs to DBA scheduling portion 63 from the report frame.DBA scheduling portion 63 carries out the control of the authority in each ONU cycle #n according to report information separately after the report information that receives from other ONU (1G-ONU#2,1G-ONU#3 (10G-OLTMAC portion 4)).To the authority of 1G control messages generation portion 64 outputs to each ONU distribution.1G control messages generation portion 64 generates to the gating frame of 1G-ONU# 1 and via WDM portion 65 and outputs to WDM portion 7 according to the authority that 1G-ONU# 1 is distributed.
WDM portion 7 will output to 1G-PHY portion 9 to the gating frame of 1G-ONU#1.In 1G-PHY portion 9, sending part 93 outputs to WDM portion 8 with the gating frame after electrical signal conversion is light signal.WDM portion 8 will close ripple and output to WDM portion 1 from the light signal (gating frame) of 1G-PHY portion 9 and light signal from 10G-PHY portion 3.The signal that WDM portion 1 will close behind the ripple outputs to 1G-OMU# 1 via the PON interface.1G-ONU#1 receives the gating frame, carries out the transmission of data according to the beginning timing (GS1) and the authority length of the authority of being distributed.After, 1G-ONU#1 is according to the transmission of carrying out data from the gating frame of 1G-OLTMAC portion 6.In addition, exist under the data conditions that then should send, the transmission of 1G-ONU# 1 and data will report that correspondingly frame sends to 1G-OLTMAC portion 6.
About TDMA mode and WDMA mode, the structure of the system of the service of using above-mentioned 10G-OLTMAC portion 4 that 10G-PON is provided is described.Be illustrated in the structure of the system when appending the 10G-PON system in each mode at Fig. 4-1 and Fig. 4-2.In Fig. 4-1,, the whole utilization of each structure that is used in original 1G-OLT newly constituted 1G/10G-OLT as the TDMA mode.In addition, different with Fig. 1, be under the situation of dual rate in PHY portion, can also acceptance division be made as one.
In addition, in Fig. 4-2,, in statu quo use original 1G-OLT, newly append 10G-OLT and WDM as the WDMA mode.Through using the 10G-OLTMAC of this execution mode, can use jointly in the two in TDMA mode, WDMA mode, and in both modes, can not waste original structure and constitute the PON system of 1G/10G coexistence.In addition, above-mentioned 10G-OLTMAC is being carried out under the situation of LSIization, comparing, circuit scale is diminished with the situation of the OLTMAC of the dual rate of making 1G/10G.
Then, upgrade to the concrete example of 10G-PON system shown in Fig. 5.Optical Distribution Network) and can't exchange the operator of 1G-OLT to using original ODN (Optical Distribution Network:, upgrade through setting up 10G-OLT.At first, to original 1G-PON system (Fig. 5 (a)), set up 10G-OLT (Fig. 5 (b)).Afterwards, the user switches to 10G-ONU (Fig. 5 (c)) from 1G-ONU successively.When final all users switch to 10G-ONU, remove 1G-OLT (Fig. 5 (d)).Can the 10G-OLT that set up be configured to the new service that 10G uses that is exclusively used in, and can remove 1G-OLT in the unwanted moment.Can both use in arbitrary mode in TDMA mode and WDMA mode.
Like above explanation; In this execution mode; 10G-OLTMAC is when being connected with 1G-OLTMAC; ONU as the 1G-PON system handles, and will gather from the report information of each ONU that is connected with the 10G-PON system is that a 1G-ONU sends to 1G-OLTMAC, the right assignment of distributing to this device is given each ONU that is connected with the 10G-PON system.Thus, can in statu quo utilize the structure of original 1G-OLT, and can upgrade easily,, can also realize low power consumption through remove the structure of 1G-OLT in the unwanted moment.
In addition, in this execution mode, use the term of 10G-PON to be illustrated, establish the 10G-EPON (10Gigabit-Ethernet (registered trade mark) Passive Optical Network) that comprises by the IEEE regulation.
(utilizability on the industry)
As stated, 10G-OLTMAC involved in the present invention is useful on the PON system, particularly is applicable to the upgrading to the 10G-PON system from the 1G-PON system.
Claims (7)
1. high-speed optical signal control device; It is the high-speed optical signal control device in the master station device of PON system; Wherein, This PON system is that fast high-speed optical signal of transmission speed and the low speed light signal slower than this high-speed optical signal mix existence, and in upward signal communication, adopts the system of TDMA mode, and this master station device possesses the said high-speed optical signal control device of the transmitting-receiving of controlling high-speed optical signal and the low speed light signal control device of the transmitting-receiving of controlling the low speed light signal; This high-speed optical signal control device is characterised in that to possess:
High-speed optical signal control messages terminal unit receives the report frame from high-speed optical signal PON sub-station device, and extracts report information from this frame, wherein, and the sub-station device that this high-speed optical signal PON sub-station device is to use high-speed optical signal to communicate;
Low speed light signal control messages terminal unit receives the gating frame from said low speed light signal control device, and extracts gated information from this frame;
The right assignment unit; Getting access under the situation of report information from said high-speed optical signal control messages terminal unit; This report information is regenerated report information and output into this master station device; And getting access under the situation of gated information from said low speed light signal control messages terminal unit, according to the report information that gets access to from said high-speed optical signal control messages terminal unit, divide the pairing authority that this master station device distributes to said high-speed optical signal PON sub-station device;
Low speed light signal control messages generation unit generates the report frame according to the report information that gets access to from said right assignment unit, and this report frame is outputed to said low speed light signal control device;
High-speed optical signal control messages generation unit generates the gating frame according to the authority of distributing through said right assignment unit, and this gating frame is outputed to said high-speed optical signal PON sub-station device.
2. high-speed optical signal control device according to claim 1 is characterized in that,
Said right assignment unit is getting access under the situation of gated information from said high-speed optical signal control messages terminal unit, obtains the synchronous of timestamp with said low speed light signal control device.
3. high-speed optical signal control device; Be the high-speed optical signal control device in the master station device of PON system, wherein, this PON system is that fast high-speed optical signal of transmission speed and the low speed light signal slower than this high-speed optical signal mix existence; And in upward signal communication, adopt the PON system of WDMA mode; This master station device possesses the said high-speed optical signal control device of the transmitting-receiving of the said high-speed optical signal of control, and this high-speed optical signal control device is characterised in that to possess:
High-speed optical signal control messages terminal unit receives the report frame from high-speed optical signal PON sub-station device, and extracts report information from this frame, wherein, and the sub-station device that this high-speed optical signal PON sub-station device is to use high-speed optical signal to communicate;
The right assignment unit getting access under the situation of report information from said high-speed optical signal control messages terminal unit, according to this report information, distributes authority to said high-speed optical signal PON sub-station device;
High-speed optical signal control messages generation unit generates the gating frame according to the authority of distributing through said right assignment unit, and this gating frame is outputed to said high-speed optical signal PON sub-station device.
4. master station device; The transmitting-receiving of control high-speed optical signal and low speed light signal in the PON system; Wherein, this PON system is that fast high-speed optical signal of transmission speed and the low speed light signal slower than this high-speed optical signal mix existence, and in upward signal communication, adopts the PON system of TDMA mode; This master station device is characterised in that to possess:
Claim 1 or 2 described high-speed optical signal control device;
Low speed light signal control device; Receive the report frame from low speed light signal PON sub-station device and said high-speed optical signal control device; Report information according to being included in this report frame distributes authority to said low speed light signal PON sub-station device and said high-speed optical signal control device; And then generation comprises the gating frame of the information of the authority of being distributed; And this gating frame outputed to said low speed light signal PON sub-station device and said high-speed optical signal control device, and wherein, the sub-station device that said low speed light signal PON sub-station device is to use the low speed light signal to communicate.
5. master station device according to claim 4 is characterized in that,
Said low speed optica signal receivingl transmitting apparatus distributes fixing authority length distributing to said high-speed optical signal control device under the situation of authority.
6. master station device according to claim 4 is characterized in that,
Said low speed optica signal receivingl transmitting apparatus is distributing to said high-speed optical signal control device under the situation of authority, suitably changes authority length and distributes according to the report information from said high-speed optical signal control device.
7. authority distributing method; It is the authority distributing method in the PON system; Wherein, this PON system is that fast high-speed optical signal of transmission speed and the low speed light signal slower than this high-speed optical signal mix existence, and in upward signal communication, adopts the PON system of TDMA mode; This authority distributing method is characterised in that
Possess at said master station device under the situation of high-speed optical signal control device and the low speed light signal control device of the transmitting-receiving of control low speed light signal of transmitting-receiving of control high-speed optical signal, may further comprise the steps:
Sub-station device report forwarding step sends the report frame by high-speed optical signal PON sub-station device to said high-speed optical signal control device, wherein, and the sub-station device that this high-speed optical signal PON sub-station device is to use high-speed optical signal to communicate;
Control device report forwarding step, said high-speed optical signal control device will regenerate to the report frame of this master station device from the report frame that said high-speed optical signal PON sub-station device receives and output to said low speed light signal control device;
Low speed light signal right assignment step; Said low speed light signal control device distributes authority according to being contained in the report frame and the report information from the report frame that said high-speed optical signal control device receives that receive from low speed light signal PON sub-station device respectively; Wherein, this low speed light signal PON sub-station device sub-station device of being to use the low speed light signal to communicate;
Low speed light signal gating forwarding step, said low speed light signal control device generates the gating frame according to the authority of being distributed, and this gating frame is outputed to said high-speed optical signal control device;
High-speed optical signal right assignment step; Said high-speed optical signal control device divides the pairing authority that this master station device distributes according to being contained in the report information from the report frame that said high-speed optical signal PON sub-station device receives to said high-speed optical signal PON sub-station device; And
High-speed optical signal gating forwarding step, said high-speed optical signal control device generates the gating frame according to the authority of being distributed, and this gating frame is outputed to said high-speed optical signal PON sub-station device.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2009/052226 WO2010092666A1 (en) | 2009-02-10 | 2009-02-10 | High-speed optical signal control unit, parent station device, and grant allocation method |
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| CN102318279A true CN102318279A (en) | 2012-01-11 |
| CN102318279B CN102318279B (en) | 2014-03-05 |
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| CN200980156453.0A Expired - Fee Related CN102318279B (en) | 2009-02-10 | 2009-02-10 | High-speed optical signal control unit, parent station device, and grant allocation method |
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| JP (1) | JP5111622B2 (en) |
| KR (1) | KR101283795B1 (en) |
| CN (1) | CN102318279B (en) |
| WO (1) | WO2010092666A1 (en) |
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| CN102547491B (en) * | 2010-12-29 | 2015-12-16 | 中兴通讯股份有限公司 | Optical line terminal, optical network unit and passive optical network |
| JP6975116B2 (en) * | 2018-09-21 | 2021-12-01 | エヌ・ティ・ティ・コミュニケーションズ株式会社 | Control device, switching system, switching control method, and program |
| KR102377299B1 (en) | 2019-09-24 | 2022-03-23 | 한국타이어앤테크놀로지 주식회사 | Assemblable Flexible Automotive Wheel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1499776A (en) * | 2002-11-11 | 2004-05-26 | 华为技术有限公司 | Method of flow-concourse and flow-distribution in multi speed rates synchronous digital network and device |
| CN1702992A (en) * | 2005-06-10 | 2005-11-30 | 天津大学 | Serial-parallel conversion technology and device of high-speed optical signal |
| WO2008072347A1 (en) * | 2006-12-15 | 2008-06-19 | Mitsubishi Electric Corporation | Pon system and pon connection method |
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| JP2009010687A (en) * | 2007-06-28 | 2009-01-15 | Sumitomo Electric Ind Ltd | Pon system, and station side apparatus thereof, dynamic band allocation method, and providing method and enjoying method of dynamic band allocation service |
| US8855490B2 (en) * | 2007-08-31 | 2014-10-07 | Futurewei Technologies, Inc. | Backward compatible PON coexistence |
| ATE545993T1 (en) | 2008-05-05 | 2012-03-15 | Nokia Siemens Networks Oy | TWO- AND THREE-STROKE DISCOVERY PROCEDURE FOR 10G EPON |
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- 2009-02-10 CN CN200980156453.0A patent/CN102318279B/en not_active Expired - Fee Related
- 2009-02-10 WO PCT/JP2009/052226 patent/WO2010092666A1/en active Application Filing
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1499776A (en) * | 2002-11-11 | 2004-05-26 | 华为技术有限公司 | Method of flow-concourse and flow-distribution in multi speed rates synchronous digital network and device |
| CN1702992A (en) * | 2005-06-10 | 2005-11-30 | 天津大学 | Serial-parallel conversion technology and device of high-speed optical signal |
| WO2008072347A1 (en) * | 2006-12-15 | 2008-06-19 | Mitsubishi Electric Corporation | Pon system and pon connection method |
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| JP5111622B2 (en) | 2013-01-09 |
| WO2010092666A1 (en) | 2010-08-19 |
| KR101283795B1 (en) | 2013-07-08 |
| JPWO2010092666A1 (en) | 2012-08-16 |
| CN102318279B (en) | 2014-03-05 |
| KR20110114635A (en) | 2011-10-19 |
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