CN102318279B - 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 PDF

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Publication number
CN102318279B
CN102318279B CN200980156453.0A CN200980156453A CN102318279B CN 102318279 B CN102318279 B CN 102318279B CN 200980156453 A CN200980156453 A CN 200980156453A CN 102318279 B CN102318279 B CN 102318279B
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optical signal
speed optical
station device
signal control
control device
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CN102318279A (en
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向井宏明
小崎成治
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0278WDM optical network architectures
    • H04J14/0282WDM tree architectures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25Arrangements specific to fibre transmission
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27Arrangements for networking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062Network aspects
    • H04Q11/0067Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062Network aspects
    • H04Q2011/0079Operation or maintenance aspects
    • H04Q2011/0083Testing; Monitoring

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
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  • Small-Scale Networks (AREA)
  • Optical Communication System (AREA)

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

High-speed optical signal control device, master station device and authority distributing method
Technical field
The present invention relates to the high-speed optical signal control part in PON system that a kind of 1G/10G coexists.
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 EPON) exploitation of system, popularizing uplink and downlink and all with the transmission speed of 1Gbps level, carrying out 1G-PON (the 1gigabit-Passive Optical Network) system of data communication.In addition, begin one's study and the transmission speed of uplink and downlink is turned at a high speed to 10G-PON (the 10gigabit-Passive Optical Network) system of 10Gbps level.In the situation that to using the area of original 1G-PON system to introduce 10G-PON system, if newly lay optical networking, therefore spend cost, Yi Bian need on one side to take entrant and upgrade to 10G-PON system as unit for the optical networking in using and original 1G-PON system are shared.
As upgrade method, there are two kinds of methods, 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 in nonoverlapping situation based on WDMA (Wave Division Multiple Access: the wavelength division multiple access) coexistence method of mode.In this case, the OLT original 1G being 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 conventional art (non-patent literature 1), 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 in the situation that supposition TDMA makes the OLT that 1G/10G uses, need to there is the light signal control part that 10G uses (OLTMAC:Optical Line Terminal Media Access Control:.Therefore, in the situation that the coexisting state of 1G/10G finishes, all ONU are switched to the ONU that 10G uses, and there are the following problems: the OLT that 1G/10G uses has the circuit that unwanted 1G uses, and price cannot be realized low power consumption.
In addition, in the situation that use with above-mentioned 1G/10G with general OLTMAC for the situation of the OLT of WDMA and to not using the area of original 1G-PON system newly to apply 10G-PON system, similarly there are the following problems: the OLT that is used for using as 10G has the circuit that unwanted 1G uses, price, cannot realize low power consumption.
The present invention In view of the foregoing completes, and its object 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) that can coexist with the OLT that original 1G uses in TDMA mode.
(for the scheme of dealing 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 the fast high-speed optical signal of transmission speed and the low speed light signal slower than this high-speed optical signal mix existence, and the system communicating by TDMA mode for upward signal, this master station device possesses the described high-speed optical signal control device of the transmitting-receiving of controlling high-speed optical signal and controls the low speed light signal control device of the transmitting-receiving of low speed light signal, this high-speed optical signal control device is characterised in that, possess: high-speed optical signal control message terminal unit, from high-speed optical signal PON substation (child station) device, receive report (Report) frame, and extract report information from this frame, wherein, this high-speed optical signal PON sub-station device is the sub-station device that uses high-speed optical signal to communicate, low speed light signal control message terminal unit, receives gating (Gate) frame from described low speed light signal control device, and extracts gated information from this frame, authority (grant) allocation units, in the situation that getting report information from described high-speed optical signal control message terminal unit, this report information is regenerated to report information the output into this master station device, and, in the situation that getting gated information from described low speed light signal control message terminal unit, according to the report information getting from described high-speed optical signal control message terminal unit, to described high-speed optical signal PON sub-station device, divide the pairing authority that this master station device distributes, low speed light signal control message generation unit, generates report frame according to the report information getting from described right assignment unit, and this report frame is outputed to described low speed light signal control device, high-speed optical signal control message generation unit, according to the permission build gating frame distributing by described right assignment unit, and outputs to described high-speed optical signal PON sub-station device by this gating frame.
(effect of invention)
According to 10G-OLTMAC involved in the present invention (high-speed optical signal control part), play following effect: in TDMA mode, can easily and with low cost append the structure that 10G-OLT uses, after being transitioned into 10G-PON system, can realize low power consumption.In addition, play following effect: about being used in the situation of WDMA mode, to not using the area of 1G-PON system to carry out the situation of 10G-PON system, also can use general 10G-OLTMAC, and price is not high, can avoid the increase of power consumption.
Accompanying drawing explanation
Fig. 1 means the figure of the structure example of 1G/10GOLT portion.
Fig. 2 means the figure of the wavelength configuration of signal.
Fig. 3 means until send the time diagram of the processing of data.
Fig. 4-1 means the figure of the structure example of the tdma system that appends 10G-PON system.
Fig. 4-2 mean the figure of the structure example of the WDMA system of appending 10G-PON system.
Fig. 5 means to the figure of 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 message terminal part; 43:DBA scheduling portion; 44:1G control message generating unit; 45:1G control message terminal part; 46:10G control message generating unit; 47:WDM portion; 61:WDM portion; 62:1G control message terminal part; 63:DBA scheduling portion; 64:1G control message generating unit; 65:WDM portion; 91: acceptance division; 92:BCDR portion; 93: sending part; 100:1G/10G-OLT portion.
Embodiment
Below, describe with reference to the accompanying drawings the execution mode of 10G-OLTMAC involved in the present invention in detail.In addition, the present invention is not limited to present embodiment.
Execution mode
The master station device (OLT:Optical Line Terminal) that comprises the 10G-OLTMAC (Optical Line Terminal Media Access Control) of present embodiment is controlled PON system, is connected with respectively the sub-station device (ONU:Optical Network Unit) of a plurality of 1G-PON systems and the ONU of a plurality of 10G-PON systems in this PON system.Fig. 1 means the figure of structure example of the master station device (1G/10G-OLT) of the 10G-OLTMAC that comprises present embodiment.1G/10G-OLT portion 100 controls and is connected to communicating by letter between the ONU of 1G-PON system, in addition, controls and is connected to communicating by letter between the ONU of 10G-PON system.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 from each ONU that WDM portion 1 receives from PON interface to 2 outputs of shunt portion.In addition, the light signal closing ripple receiving from WDM portion 8 is outputed to each ONU via PON interface.Shunt portion 2 is the splitters that carry out 1: 2 branch, and the uplink optical signal that received 1G/10G mixing is existed carries out branch and outputs to 10G- PHY portion 3 and 1G-PHY portion 9.
10G-PHY portion 3 carries out the transmitting-receiving of 10G light signal in 10G-PON system.In the situation that receiving light signal, be converted to the processing of the signal of telecommunication, in addition, the signal of telecommunication receiving from 10G-OLTMAC portion 4 is converted to light signal.10G-PHY portion 3 possesses acceptance division 31, BCDR (Burst Clock and Data Recovery: burst clock and data recovery) portion 32 and sending part 33.Acceptance division 31 is converted to the signal of telecommunication by the light signal receiving and exports.BCDR portion 32 isolates clock and data from the signal of telecommunication receiving abruptly, carries out bit synchronization.Sending part 33 is converted to light signal by sent signal from the signal of telecommunication.
10G-OLTMAC portion 4 is the MAC portions that control the OLT of 10G-PON system.In the present embodiment, 10G-OLTMAC portion 4, in the situation that being connected with 1G-OLTMAC portion 6, moves as ONU with respect to 1G-OLTMAC portion 6.10G-OLTMAC portion 4 possesses WDM portion 41,10G control message terminal part 42, DBA (Dynamic Bandwidth Assignment) scheduling portion 43,1G control message generating unit 44,1G control message terminal part 45,10G control message generating unit 46 and WDM portion 47.
WDM portion 41 carries out branch by the signal from 10G-PHY portion 3 and outputs to 10G control message terminal part 42 and SNI (Service Node Interface: SNI).10G control message terminal part 42 extracts report information from the report frame of each ONU from being connected with 10G-PON system, and outputs to DBA scheduling portion 43.DBA scheduling portion 43 is according to the report information from 10G control message terminal part 42, regenerates as the report information of this device and outputs to 1G control message generating unit 44.In addition, control as follows: according to the report information of each ONU from being connected with 10G-PON system, each ONU being connected is distributed to the frequency band (authority) distributing from 1G-OLTMAC portion 6 with 10G-PON system.1G control message generating unit 44 is according to the report information from DBA scheduling portion 43, generates as the report frame of 10G-OLTMAC portion 4 (10G-PON system) and outputs to 1G-OLTMAC portion 6.1G control message terminal part 45 extracts gated information and outputs to DBA scheduling portion 43 from gating frame, and this gating frame receives from 1G-OLTMAC portion 6.The permission build gating frame that 10G control message generating unit 46 is distributed according to DBA scheduling portion 43 also outputs to each ONU of 10G-PON system.WDM portion 47 closes the gating frame from 10G control message generating unit 46 and the signal from SNI ripple and outputs to 10G-PHY portion 3.
WDM portion 5 is by (the Multi-Point Control Protocol: Multi-point Control Protocol) control frame closes ripple and outputs to 1G-OLTMAC portion 6 with the reception signal from 1G-PHY portion 9 of the MPCP from 10G-OLTMAC portion 4.In MPCP control frame, comprise report frame and gating frame.
1G-OLTMAC portion 6 is the MAC portions that control the OLT of 1G-PON system.In addition, with ONU in 1G-PON system similarly, 10G-OLTMAC portion 4 is carried out to the distribution of the authority in TDMA.1G-OLTMAC portion 6 possesses WDM portion 61,1G control message terminal part 62, DBA scheduling portion 63,1G control message generating unit 64 and WDM portion 65.
WDM portion 61 carries out branch by the signal from WDM portion 5 and outputs to 1G control message terminal part 62 and SNI.1G control message terminal part 62 extracts report information and outputs to DBA scheduling portion 63 from the report frame of each ONU from being connected with 1G-PON system and 10G-OLTMAC portion 4.DBA scheduling portion 63, according to from each ONU of 1G-PON system and the report information of 10G-OLTMAC portion 4, carries out the control to each ONU of 1G-PON system and 10G-OLTMAC portion 4 distribution authorities.The authority that 1G control message generating unit 64 is distributed according to DBA scheduling portion 63 generates gating frame, and outputs to each ONU and the 10G-OLTMAC portion 4 of 1G-PON system.WDM portion 65 closes ripple and outputs to WDM portion 7 by the gating frame from 1G control message generating unit 64 with from the signal of SNI.
WDM portion 7 carries out the signal from 1G-OLTMAC portion 6 branch and outputs to 10G- OLTMAC portion 4 and 1G-PHY portion 9.WDM portion 8 closes the descending 10G light signal from 10G-PHY portion 3 and the descending 1G light signal from 1G-PHY portion 9 ripple and outputs to WDM portion 1.
1G-PHY portion 9 carries out the transmitting-receiving of 1G light signal in 1G-PON system.In the situation that receiving light signal, be converted to the processing of the signal of telecommunication, in addition, the signal of telecommunication receiving from 1G-OLTMAC portion 6 is converted to light signal.1G-PHY portion 9 possesses acceptance division 91, BCDR portion 92 and sending part 93.Acceptance division 91 is converted to the signal of telecommunication by the light signal receiving and exports.BCDR portion 92 isolates clock and data from the signal of telecommunication receiving abruptly, carries out bit synchronization.Sending part 93 is converted to light signal by sent signal from the signal of telecommunication.
The wavelength configuration of the signal in each PON system of using in present embodiment then, is described.Fig. 2 means the figure of the wavelength configuration of each signal.In original 1G-PON system of stipulating in IEEE, 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.Therefore like this, due to the band overlapping of upward signal, need to carry out to the two PON system of 1G and 10G the OLTMAC portion of the right assignment in TDMA mode.
In addition, in the 1G-PON system of stipulating in ITU-T, the main flow of the upward signal of 1G
For simplifying (Reduced) type (frequency band is 1290nm~1330nm), the frequency band of the signal therefore using is not overlapping.Therefore, can realize coexisting based on WDMA mode.
The transmitting-receiving of the signal of OLT in each PON system in present embodiment and ONU then, is described.Fig. 3 means until the ONU of each PON system sends the time diagram of the processing of data.At this, in 10G-PON system, be connected with two ONU (10G-ONU#1,10G-ONU#2).In addition, in 1G-PON system, be connected with two ONU (1G-ONU#1,1G-ONU#2) and as the 10G-OLTMAC portion 4 of 1G-ONU#3.Processing when each ONU sends data according to distributed authority after sending report frame is described.
First, illustrate until 10G-ONU#1 sends the processing of data.10G-ONU#1, in order to send data, sends to 10G-OLTMAC portion 4 by the report frame that comprises report information.In 1G/10G-OLT portion 100, after receiving report frame by WDM portion 1, by shunt portion 2, carry out branch and output to 10G-PHY portion 3.At this, acceptance division 31 is converted to the signal of telecommunication by light signal, isolates clock and data carry out, after bit synchronization, report frame is outputed to 10G-OLTMAC portion 4 by BCDR portion 32.In 10G-OLTMAC portion 4,10G control message terminal part 42 receives report frame via WDM portion 41.10G control message terminal part 42 extracts report information and outputs to DBA scheduling portion 43 from report frame.DBA scheduling portion 43 report information using the report information from each 10G-ONU as 10G-OLTMAC portion 4 (1G-ONU#3) after receiving from the report information of other ONU (10G-ONU#2) generates, and outputs to 1G control message generating unit 44.1G control message generating unit 44, according to each received report information, generates the report frame as 10G-OLTMAC portion 4 (1G-ONU#3), and outputs to 1G-OLTMAC portion 6 via WDM portion 5.
In 1G-OLTMAC portion 6,1G control message terminal part 62 receives report frame via WDM portion 61.1G control message terminal part 62 extracts report information and outputs to DBA scheduling portion 63 from report frame.DBA scheduling portion 63 carries out distributing to each ONU the control of the frequency band (authority) in circulation #n after receiving from the report information of other ONU (1G-ONU#1,1G-ONU#2) according to report information separately.Now, the authority about distributing to 1G-ONU#3 (10G-OLTMAC portion 4), both can fix it by DBA variation of parameter, also can according to the report information from 1G-ONU#3, make it variable.The authority of distributing to each ONU to 64 outputs of 1G control message generating unit.1G control message generating unit 64, according to the authority that 1G-ONU#3 (10G-OLTMAC portion 4) is distributed, generates gating frame for 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 message terminal part 45 extracts gated information and outputs to DBA scheduling portion 43 from gating frame.Be included in the authority being assigned with in this gated information (from GS (Grant Starttime: be the authority time started) the 3 10G-PON authorities that start) authority to 1G-ONU#3 (10G-OLTMAC portion 4) distribution, and be also the authority to 10G-PON system assignment.First DBA scheduling portion 43 obtains synchronizeing of timestamp (time stamp) according to received gated information with 1G-OLTMAC portion 6.Thus, in the time slot of circulation #n that sends data, can obtain the coupling of the time started of authority.Then,, according to the report information from 10G-ONU#1 and 10G-ONU#2, carry out the authority of distributing from 1G-OLTMAC portion 6 further to distribute to the control of each 10G-ONU.The authority of distributing to each ONU to 46 outputs of 10G control message generating unit.10G control message generating unit 46 bases are distributed to the permission build of 10G-ONU#1 for the gating frame of 10G-ONU#1, and output to 10G-PHY portion 3 via WDM portion 47.
In 10G-PHY portion 3, sending part 33 outputs to WDM portion 8 by gating frame after the signal of telecommunication is converted to light signal.WDM portion 8 closes ripple and outputs to WDM portion 1 by the light signal from 10G-PHY portion 3 (gating frame) with from the light signal of 1G-PHY portion 9.WDM portion 1 outputs to 10G-ONU#1 by the signal closing after ripple via PON interface.10G-ONU#1 receives gating frame, according to the beginning of distributed authority regularly (timing) (GS3) and authority length carry out the transmission of data.After, 10G-ONU#1 carries out the transmission of data according to the gating frame from 10G-OLTMAC portion 4.In addition,, in the situation that there are the data that then should send, the transmission of 10G-ONU#1 and data correspondingly sends to 10G-OLTMAC portion 4 by report frame.
10G-ONU#2 sends to 10G-OLTMAC portion 4 by report frame and receives the processing sending after gating frame till data identical with the situation of above-mentioned 10G-ONU#1.10G-ONU#2 carries out the transmission of data according to beginning timing (GS4) and the authority length of distributing to the authority of 10G-ONU#2.
Like this, the report information of 10G-OLTMAC portion 4 using the report information of each 10G-ONU from being connected with 10G-PON system as 1G-ONU#3 sends to 1G-OLTMAC portion 6.1G-OLTMAC portion 6 distributes authority by the processing identical with other 1G-ONU to 1G-ONU#3 (10G-OLTMAC portion 4).1G-ONU#3 (10G-OLTMAC portion 4), by the authority of distributing to this device is distributed to each 10G-ONU again, can control the transmitting-receiving of the data in 10G-PON system.That is, the authority of distributing as 1G-PON use and the authority of distributing as 10G-PON use are not overlapping, and can utilize the authority in circulation #n.In the present embodiment, 10G-OLTMAC portion 4, by moving as 1G-ONU with respect to 1G-OLTMAC portion 6, can realize coexisting of 1G-PON system and 10G-PON system.In addition, do not exist in the situation of 1G-OLTMAC portion 6 (10G-PON system), 10G-OLTMAC portion 4 moves as main equipment (master).
Then, the processing till 1G-ONU#1 sends data is described.1G-ONU#1, in order to send data, sends to 1G-OLTMAC portion 6 the report frame that comprises report information.In 1G/10G-OLT portion 100, after receiving report frame by WDM portion 1, by shunt portion 2, carry out branch and output to 1G-PHY portion 9.At this, by acceptance division 91, light signal is converted to the signal of telecommunication, by BCDR portion 92, isolate clock and data and carry out, after bit synchronization, report frame is outputed to WDM portion 5.WDM portion 5 outputs to 1G-OLTMAC portion 6 by report frame.In 1G-OLTMAC portion 6,1G control message terminal part 62 receives report frame via WDM portion 61.1G control message terminal part 62 extracts report information and outputs to DBA scheduling portion 63 from report frame.DBA scheduling portion 63, after the report information receiving from other ONU (1G-ONU#2,1G-ONU#3 (10G-OLTMAC portion 4)), carries out distributing to each ONU the control of the authority in circulation #n according to report information separately.The authority of distributing to each ONU to 64 outputs of 1G control message generating unit.1G control message generating unit 64, according to the authority that 1G-ONU#1 is distributed, generates for the gating frame of 1G-ONU#1 and outputs to WDM portion 7 via WDM portion 65.
WDM portion 7 outputs to 1G-PHY portion 9 by the gating frame for 1G-ONU#1.In 1G-PHY portion 9, sending part 93 outputs to WDM portion 8 by gating frame after the signal of telecommunication is converted to light signal.WDM portion 8 closes the light signal from 1G-PHY portion 9 (gating frame) and the light signal from 10G-PHY portion 3 ripple and outputs to WDM portion 1.WDM portion 1 outputs to 1G-OMU#1 by the signal closing after ripple via PON interface.1G-ONU#1 receives gating frame, according to beginning timing (GS1) and the authority length of distributed authority, carries out the transmission of data.After, 1G-ONU#1 carries out the transmission of data according to the gating frame from 1G-OLTMAC portion 6.In addition,, in the situation that there are the data that then should send, the transmission of 1G-ONU#1 and data correspondingly sends to 1G-OLTMAC portion 6 by report frame.
1G-ONU#2 sends report frames and receives the processing sending after gating frame till data identical with the situation of above-mentioned 1G-ONU#1 to 1G-OLTMAC portion 6.1G-ONU#2 carries out the transmission of data according to beginning timing (GS2) and the authority length of distributing to the authority of 1G-ONU#2.
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.The structure of the system while appending 10G-PON system in Fig. 4-1 and Fig. 4-2 are illustrated in each mode.In Fig. 4-1, as TDMA mode, will be used in each structure of original 1G-OLT all utilize and newly form 1G/10G-OLT.In addition, different from Fig. 1, the in the situation that of being dual rate in PHY portion, acceptance division can also be made as to one.
In addition, in Fig. 4-2, as WDMA mode, in statu quo use original 1G-OLT, newly append 10G-OLT and WDM.By using the 10G-OLTMAC of present embodiment, can jointly use in the two in TDMA mode, WDMA mode, and in both modes, can not waste original structure and form the PON system that 1G/10G coexists.In addition, in the situation that above-mentioned 10G-OLTMAC is carried out to LSIization, compare with the situation of OLTMAC of making the dual rate of 1G/10G, can make circuit scale diminish.
Then, shown in Fig. 5, upgrade to the concrete example of 10G-PON system.To using original ODN (Optical Distribution Network: Optical Distribution Network) also cannot exchange the operator of 1G-OLT, upgrade by setting up 10G-OLT.First, to original 1G-PON system (Fig. 5 (a)), set up 10G-OLT (Fig. 5 (b)).Afterwards, 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)).Set up 10G-OLT can be configured to and be exclusively used in the new service that 10G uses, and can remove 1G-OLT in the unwanted moment.In either type in TDMA mode and WDMA mode, can both apply.
As described above, in the present embodiment, 10G-OLTMAC is when being connected with 1G-OLTMAC, ONU as 1G-PON system processes, it is that a 1G-ONU sends to 1G-OLTMAC that the report information of each ONU from being connected with 10G-PON system is gathered, and the right assignment of distributing to this device is given to each ONU be connected with 10G-PON system.Thus, can in statu quo utilize the structure of original 1G-OLT, and can easily upgrade, by remove the structure of 1G-OLT in the unwanted moment, can also realize low power consumption.
In addition, use in the present embodiment the term of 10G-PON to be illustrated, establish and comprise the 10G-EPON (10Gigabit-Ethernet (registered trade mark) Passive Optical Network) being stipulated by IEEE.
(utilizability in industry)
As mentioned above, 10G-OLTMAC involved in the present invention is useful on PON system, is particularly applicable to the upgrading from 1G-PON system to 10G-PON system.

Claims (7)

1. a 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 the 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 system of TDMA mode, this master station device possesses the described high-speed optical signal control device of the transmitting-receiving of controlling high-speed optical signal and controls the low speed light signal control device of the transmitting-receiving of low speed light signal, this high-speed optical signal control device is characterised in that to possess:
High-speed optical signal control message terminal unit, receives report frame from high-speed optical signal PON sub-station device, and extracts report information from this frame, and wherein, this high-speed optical signal PON sub-station device is the sub-station device that uses high-speed optical signal to communicate;
Low speed light signal control message terminal unit, receives gating frame from described low speed light signal control device, and extracts gated information from this frame;
Right assignment unit, in the situation that getting report information from described high-speed optical signal control message terminal unit, this report information is regenerated to report information the output into this master station device, and in the situation that getting gated information from described low speed light signal control message terminal unit, according to the report information getting from described high-speed optical signal control message terminal unit, to described high-speed optical signal PON sub-station device, divide the pairing authority that this master station device distributes;
Low speed light signal control message generation unit, generates report frame according to the report information getting from described right assignment unit, and this report frame is outputed to described low speed light signal control device;
High-speed optical signal control message generation unit, according to the permission build gating frame distributing by described right assignment unit, and outputs to described high-speed optical signal PON sub-station device by this gating frame.
2. high-speed optical signal control device according to claim 1, is characterized in that,
Synchronizeing of timestamp, in the situation that getting gated information from described low speed light signal control message terminal unit, obtained with described low speed light signal control device in described right assignment unit.
3. a 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 the 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 described high-speed optical signal control device of the transmitting-receiving of controlling described high-speed optical signal, and this high-speed optical signal control device is characterised in that to possess:
High-speed optical signal control message terminal unit, receives report frame from high-speed optical signal PON sub-station device, and extracts report information from this frame, and wherein, this high-speed optical signal PON sub-station device is the sub-station device that uses high-speed optical signal to communicate;
Right assignment unit, in the situation that getting report information from described high-speed optical signal control message terminal unit, according to this report information, distributes authority to described high-speed optical signal PON sub-station device;
High-speed optical signal control message generation unit, the permission build gating frame according to distributing by described right assignment unit, outputs to described high-speed optical signal PON sub-station device by this gating frame.
4. a master station device, in PON system, control the transmitting-receiving of high-speed optical signal and low speed light signal, wherein, this PON system is that the 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 TDMA mode, this master station device is characterised in that to possess:
High-speed optical signal control device described in claim 1 or 2;
Low speed light signal control device, from low speed light signal PON sub-station device and described high-speed optical signal control device, receive report frame, according to the report information being included in this report frame, described low speed light signal PON sub-station device and described high-speed optical signal control device are distributed to authority, and then generate the gating frame of the information comprise distributed authority, and this gating frame is outputed to described low speed light signal PON sub-station device and described high-speed optical signal control device, wherein, described low speed light signal PON sub-station device is the sub-station device that uses low speed light signal to communicate.
5. master station device according to claim 4, is characterized in that,
Described low speed light signal control device, in the situation that distributing authority to described high-speed optical signal control device, distributes fixing authority length.
6. master station device according to claim 4, is characterized in that,
Described low speed light signal control device, in the situation that distributing authority to described high-speed optical signal control device, suitably changes authority length and distributes according to the report information from described high-speed optical signal control device.
7. an authority distributing method, it is the authority distributing method in PON system, wherein, this PON system is that the 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 TDMA mode, this authority distributing method is characterised in that
In the situation that master station device possesses the low speed light signal control device of the high-speed optical signal control device of the transmitting-receiving of controlling high-speed optical signal and the transmitting-receiving of control low speed light signal, comprise the following steps:
Sub-station device report forwarding step, sends report frame by high-speed optical signal PON sub-station device to described high-speed optical signal control device, and wherein, this high-speed optical signal PON sub-station device is the sub-station device that uses high-speed optical signal to communicate;
Control device report forwarding step, described high-speed optical signal control device regenerates the report frame receiving from described high-speed optical signal PON sub-station device for the report frame of this master station device and outputs to described low speed light signal control device;
Low speed light signal right assignment step, described low speed light signal control device distributes authority according to the report information being contained in respectively the report frame receiving from low speed light signal PON sub-station device and the report frame receiving from described high-speed optical signal control device, wherein, this low speed light signal PON sub-station device is the sub-station device that uses low speed light signal to communicate;
Low speed light signal gating forwarding step, described low speed light signal control device is according to distributed permission build gating frame, and this gating frame is outputed to described high-speed optical signal control device;
High-speed optical signal right assignment step, described high-speed optical signal control device, according to being contained in the report information the report frame receiving from described high-speed optical signal PON sub-station device, divides the pairing authority that this master station device distributes to described high-speed optical signal PON sub-station device; And
High-speed optical signal gating forwarding step, described high-speed optical signal control device is according to distributed permission build gating frame, and this gating frame is outputed to described high-speed optical signal PON sub-station device.
CN200980156453.0A 2009-02-10 2009-02-10 High-speed optical signal control unit, parent station device, and grant allocation method Expired - Fee Related CN102318279B (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
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Citations (3)

* Cited by examiner, † Cited by third party
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP2117167B1 (en) 2008-05-05 2012-02-15 Nokia Siemens Networks Oy Two and three-stroke discovery process for 10G-EPONs

Patent Citations (3)

* Cited by examiner, † Cited by third party
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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