CN101478701A - Control method and apparatus for uplink data transmission - Google Patents
Control method and apparatus for uplink data transmission Download PDFInfo
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- CN101478701A CN101478701A CNA2008100651134A CN200810065113A CN101478701A CN 101478701 A CN101478701 A CN 101478701A CN A2008100651134 A CNA2008100651134 A CN A2008100651134A CN 200810065113 A CN200810065113 A CN 200810065113A CN 101478701 A CN101478701 A CN 101478701A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1694—Allocation of channels in TDM/TDMA networks, e.g. distributed multiplexers
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Abstract
The present invention discloses a control method and device of uplink data transmission for realizing control and management of uplink burst data of multiplexing and preventing the interference of uplink data of multiplexing in uplink interface. The control method of uplink data transmission according to the invention is used in the expansion box EB of passive optical network PON, and comprises the following components: obtaining the uplink burst data time slot authorization information; and controlling the relaying or amplifying or regenerating of uplink burst data.
Description
Technical field
The present invention relates to communication technical field, relate in particular to upstream data control method and device.
Background technology
Gigabit passive optical network/Ethernet passive optical network (GPON/EPON) is as the comprehensive access technology of new generation broadband passive light, the optical line terminal of local side (OLT) is connected with a plurality of Optical Network Terminal/optical network units (ONT/ONU) by passive light distributed network (ODN), OLT passes to the mode of the downlink data employing Time Division Multiplexing of ONT/ONU, pass to all ONT/ONU by ODN, ONT/ONT receives only corresponding downlink data; The upstream data of ONU/ONT passes to OLT by time division multiple access (TDMA) mode, and the ascending time slot of ONU is distributed by OLT, can prevent the conflict of the upstream data of a plurality of ONU/ONT.Passive ODN generally is made up of trunk optical fiber, optical splitter and shunt optical fiber, and trunk optical fiber connects OLT and optical splitter, and optical splitter connects ONT/ONU by shunt optical fiber.Owing to the influence of factors such as the Output optical power size that is subject to ODN Line Attenuation and existing generating laser, receiver sensitivity, EPON/GPON only supports that maximum ODN fiber lengths is 20Km at present.
To be applied in population rarer diffusing when regional when EPON (PON), and operator wishes that the ODN of PON system can cover wider scope, reducing the quantity of local side website, thereby cuts operating costs.Therefore operator proposes to increase an expansion box (Extender Box is called for short EB) and extends OLT to the distance between ONU/ONT in existing ODN system, increase OLT place office service coverage.The PON system configuration that has increased Extender Box as shown in Figure 1, this PON system is in the industry cycle become long distance P ON (Long Reach PON).By introducing Extender Box OLT is moved toward the position of more close core network.The position at OLT Extender Box place in Long Reach PON in the original PON system is not more than 20Km with the distance of ONU/ONT.Extender Box is trunk optical fiber interface (IFT) near the interface of OLT side among the Long Reach PON, and Extender Box is profile fiber interface (IFD) near the interface of optical splitter side.Distance between OLT and the Extender Box can reach 40Km, promptly introduce Extender Box after, the coverage of Long Reach PON can reach 60Km.
The basic structure of EB as shown in Figure 2, wherein downlink relay or amplification or regeneration function are finished relaying or the amplification or the regeneration of downstream signal (IFT is to the IFD interface), and uplink relay or amplification or regeneration function are finished relaying or the amplification or the regeneration of upward signal (IFD is to the IFT interface).Downlink relay or amplification or regeneration function relaying or amplification or regeneration be descending continuous signal, and uplink relay or amplification or regeneration function relaying or amplification or regeneration is the uplink burst signal.Because burst during IFD interface up, OLT also requires upstream data to happen suddenly when receiving upstream data, the upstream data of IFT interface must guarantee when sending be burst could satisfy PON (EPON, GPON) the OLT pleurapophysis is sent out the requirement of receiving unit in the standard, therefore need among the EB uplink burst relaying or amplification or regeneration function are controlled accurately, to satisfy the requirement of OLT burst receiving unit.
May realize management function among the EB in addition, management function generally realizes by an integrated ONU (abbreviating PON ONU as).OLT is by Operation Administration and Maintenance (Operation Administration andManagement, be called for short OAM) or other passages, for example Simple Network Management Protocol (Simple NetworkManagement Protocol is called for short SNMP) agreement or data channel manages EB.When the one or more management function of the inner realization of EB, the upstream data of management function also needs to upload data by the IFT interface, need with all the ONU share I FT interface ascending resources on the IFD interface of this link, therefore the realization of the relaying of the up direction of this link or amplification or regeneration function is more complicated, specification requirement is higher, needs to solve uplink relay or amplification or problems such as regeneration and PON ONU ascending time slot collision.
The inventor is when realization is of the present invention, when the burst receiver of discovery OLT side resets between two bursts, EB can not guarantee that the up direction of IFT interface does not have light signal output, thereby influence the normal reception of upstream data, the upward signal of the upward signal of EB management function output and the reception of IFD interface clashes when multiplexing easily in addition, influences system's operate as normal.
Summary of the invention
The embodiment of the invention provides the control method and the device of transmitting uplink data, in order to realization multiplexed uplink burst data is controlled and is managed, and prevents that multiplexed upstream data from clashing on upstream Interface.
The control method method of the transmitting uplink data that the embodiment of the invention provides is used for the EB of passive optical network PON, may further comprise the steps:
Obtain uplink burst data time slot authorization message;
According to described uplink burst data time slot authorization message, relaying or the amplification or the regeneration of control uplink burst data.
The control device of the transmitting uplink data that the embodiment of the invention provides comprises:
Ascending time slot information acquisition module is used to obtain uplink burst data time slot authorization message;
Uplink burst time slot control signal generation module is used for generating uplink burst time slot control signal according to described uplink burst data time slot authorization message, in order to relaying or the amplification or the regeneration of control uplink burst data.
The embodiment of the invention also provides a kind of EB equipment, comprises the time slot acquisition module: described time slot acquisition module is used to obtain uplink burst data time slot authorization message.
In embodiments of the present invention,, realized multiplexed uplink burst data is controlled and managed, prevented that uplink burst data from clashing at interface by in EB, having increased the control of uplink burst time slot.
Description of drawings
Fig. 1 is the system construction drawing of prior art middle and long distance PON;
Fig. 2 is the structural representation of EB in the existing skill;
Fig. 3 is for having increased the structural representation of uplink burst time slot control module among the embodiment of the invention one EB;
Fig. 4 is the method flow diagram of the embodiment of the invention one;
Fig. 5 is the structural representation of the embodiment of the invention two;
Fig. 6 is the structural representation of the embodiment of the invention three;
Fig. 7 is the structural representation of the embodiment of the invention four;
Fig. 8 is the structural representation of the embodiment of the invention five;
Fig. 9 is the structural representation of the embodiment of the invention six;
Figure 10 is the ascending time slot authorization message acquisition module structural representation in the embodiment of the invention six.
Embodiment
The embodiment of the invention with PON (GPON, EPON) uplink burst data under is transmitted as example, but is not limited thereto, other method or device that relates to the uplink burst data transmission control in multiplexed is all similar with it.
Below in conjunction with accompanying drawing the embodiment of the invention is done description further.
Embodiment one
Present embodiment is the method embodiment of uplink burst data control, realizes by increased uplink burst time slot control module in EB.Accompanying drawing 3 is the structural representation that increases uplink burst time slot control module in EB.Because in the PON system, the ONU ascending time slot is distributed by OLT and authorizes, OLT is that ONU authorizes ascending time slot by downlink frame.Uplink burst time slot control module is obtained ascending time slot authorization message in the downlink data from downlink relay or amplification or regeneration function module, when among the EB during integrated management function, uplink burst time slot control module can also be known the ascending time slot authorization message of all ONU of IFD interface side and/or the ascending time slot authorization message of management function by management function.Uplink burst time slot control module is controlled uplink relay or amplification or regeneration function according to the ascending time slot control information of obtaining, make and the burst of the transmission up direction that relaying or amplification or regeneration function can be correct can prevent that also multiplexed upstream data from clashing on upstream Interface.
Fig. 4 is the flow chart of present embodiment, and concrete steps are as follows:
S101: obtain the ascending time slot authorization message;
Concrete, to the EPON system, can obtain IFD interface side ONU ascending time slot authorization message by monitoring Multi-point Control Protocol (Gate MPCP) message, for the GPON system, can authorize (Band Width Map is called for short BWMAP) field to obtain the ONU ascending time slot authorization message of IFD interface side by the broadband of monitoring in the downlink frame.When in the EB during integrated management function, can obtain the ascending time slot authorization message of IFD interface side and/or management function in the following manner, be that OLT passes through OAM passage or other passages, as SNMP or general data passage, the ascending time slot authorization message of IFD side ONU ascending time slot authorization message and/or management function is sent to management function integrated among the EB, management function by and uplink burst time slot control module between interface pass to uplink burst time slot control module.
S102: relaying or the amplification or the regeneration of control upward signal.
The uplink burst signal is controlled.Described control comprises relaying or amplification or the regeneration of controlling burst, for example opens or closes burst by enable signal and sends laser driver, finishes resetting of bursty data clock recovery (BCDR) circuit by reset signal before each burst time slot.
According to the ascending time slot authorization message of obtaining, open uplink relay or amplification or regeneration function in the zero hour of each time slot, in the finish time of each burst time slot, close uplink relay or amplification or regeneration function.The realization of control can realize by control signal corresponding, the enable signal of uplink relay or amplification or regeneration function for example.For example, when adopting the OEO mode to realize the regeneration function of uplink burst signal, control signal need or be opened the burst sending function of IFT interface side before the beginning of a burst time slot zero hour, need be when a burst time slot finishes the back or finishes, close the burst sending function of IFT interface side, can be by enabling or forbid enabling IFT interface side burst mode laser driver to open or close sending function.When the OEO mode realizes, when if desired the uplink burst signal being carried out driving the sending function of IFT interface side again after clock, data recover, also need to control resetting of BCDR circuit, promptly before the beginning of burst time slot, finish resetting BCDR according to the ascending time slot authorization message.
Need to prove, this method embodiment can realize by increasing a uplink burst time slot control module, in the time of can in EB management function being arranged, directly uplink burst time slot control module is integrated in the management function, this does not influence the realization of present embodiment yet.
In addition, when being integrated with management function among the EB, particularly when integrated management function during from the descending receiving function downlink data receiving of IFT, the downlink data receiving function that uplink burst time slot control module can shared management function, this does not influence the realization of present embodiment.
In the present embodiment; according to the uplink burst time slot authorization message of obtaining; control uplink relay or amplification or regeneration function; guaranteed that uplink burst data passes through EB corresponding the mandate in the time slot; avoid two guard time (Guard time) or forbidden band (band gap) that happen suddenly between the time slot, still had the output of light signal on the IFT interface up direction.In addition when among the EB management function being arranged, the effective scheduling by to the uplink burst time slot and the management function ascending time slot of IFD interface side prevents that multiplexed upstream data from clashing on upstream Interface.
Embodiment two
Uplink burst time slot control module is made up of ascending time slot information acquisition module and uplink burst time slot control signal generation module in the present embodiment.
Wherein ascending time slot information acquisition module is used to obtain the authorization message of ascending time slot;
The authorization message that uplink burst time slot control signal generation module is used for the ascending time slot that obtains according to ascending time slot information acquisition module produces control signal corresponding, in order to relaying or the amplification or the regeneration of control upward signal.
Present embodiment adopts light amplification (OA) mode with up direction, and descending employing light-electrical-optical conversion (OEO) mode is an example, with the working method of explanation uplink burst time slot control module.
As shown in Figure 5, be the control block diagram of uplink burst time slot during up employing light amplification mode in the present embodiment.Descending employing OEO mode in the present embodiment, then the downlink relay function comprises descending receiving function of IFT and the descending sending function of IFD, wherein descending receiving function is mainly by optical-electrical converter (Photoopticaldetector, PD), trans-impedance amplifier (TIA), limiting amplifier and data clock recovery circuit (CDR) form, wherein optical-electrical converter and trans-impedance amplifier generally are integrated in the same module.Uplink burst time slot control module comprises ascending time slot information acquisition module, uplink burst time slot control signal generation module.Ascending time slot information acquisition module directly connects or by extra circuit, connects the descending receiving function of IFT as serial-parallel conversion circuit (Serdes), obtains downlink frame from CDR, obtains ascending time slot authorization message in the downlink frame by monitoring downlink frame.The ascending time slot authorization message that uplink burst time slot control signal generation module listens to according to ascending time slot information acquisition module generates the control signal of OA, be control signal in each burst time slot zero hour, or (considering that signal processing postpones) the control OA of a period of time before the beginning opens, make OA to amplify to upward signal, control OA in the finish time of each time slot and close, forbid that OA sends signal to up direction.Describedly open, shutoff operation can finish by drive current and/or the bias current of control OA.
Present embodiment is effectively passing through EB in the time slot by the control uplink burst data, thereby has guaranteed that the OLT side can successfully receive upstream data.
Embodiment three
Present embodiment uplink and downlink direction all adopts the OEO mode, and structural representation as shown in Figure 6.
The downlink relay function comprises descending receiving function of IFT and the descending sending function of IFD, wherein descending receiving function mainly is made up of optical-electrical converter, trans-impedance amplifier (TIA), limiting amplifier and data clock recovery circuit (CDR), and wherein optical-electrical converter and trans-impedance amplifier generally are integrated in the same module.IFT upstream Interface function generally comprises laser and laser burst driver (BM LDD), and when the enable signal of BM LDD was forbidden, the output of LDD drive laser is output signal not, and laser is not exported light signal or only exported very weak one; When BM LDD enable signal was opened, BM LDD output was according to the light signal of data input drive laser output expression 0 and 1 signal of input.Data uplink burst time slot control module comprises ascending time slot information acquisition module, uplink burst time slot control signal generation module.Ascending time slot information acquisition module directly connects or by extra circuit, as serial-parallel conversion circuit, connects the descending receiving function of IFT, obtains downlink frame from CDR, obtains ascending time slot authorization message in the downlink frame by monitoring downlink frame.The ascending time slot authorization message that uplink burst time slot control signal generation module listens to according to ascending time slot information acquisition module generate the up sending function of IFT interface BM LDD enable control signal, be control signal in each burst time slot zero hour, or a period of time before the beginning (considering that signal processing postpones) enables BM LDD, close the driving function of BM LDD in the finish time of each time slot, forbid that the up sending function of IFT interface sends light signal to up direction.
Present embodiment is effectively passing through EB in the time slot by the control uplink burst data, thereby has guaranteed that the OLT side can successfully receive upstream data.
Embodiment four
In the present embodiment, EB comprises management function, and up direction takes light amplification to realize up direction apart from prolonging function, and down direction adopts the OEO mode, and the concrete structure block diagram as shown in Figure 7.
The downlink relay function comprises descending receiving function of IFT and the descending sending function of IFD, wherein descending receiving function mainly is made up of optical-electrical converter, trans-impedance amplifier (TIA), limiting amplifier and data clock recovery circuit (CDR), and wherein optical-electrical converter and trans-impedance amplifier generally are integrated in the same module.Uplink burst time slot control module comprises ascending time slot information acquisition module, uplink burst time slot control signal generation module.Ascending time slot information acquisition module directly connects or by extra circuit, connect the descending receiving function of IFT as serial-parallel conversion circuit, obtain downlink frame from CDR, obtain ascending time slot authorization message in the downlink frame by monitoring downlink frame, uplink burst time slot control module also can be by obtaining relevant ascending time slot authorization message with the interface of management function certainly.Uplink burst time slot control module can be integrated into management function inside.The ascending time slot acquisition module can the Sharing Management function the downlink frame receiving function, extract up direction burst time slot authorization message by the downlink frame receiving function of management function.The ascending time slot authorization message that uplink burst time slot control signal generation module listens to according to ascending time slot information acquisition module generates the control signal of OA, be control signal in each burst time slot zero hour, or the control of a period of time before beginning OA opens, enabling OA can amplify upward signal, control OA in the finish time of each time slot and close, forbid that the OA up direction sends signal.
It is that it distributes ascending time slot that management function self also needs OLT, in the ascending time slot of management function, for the reliable transmission of the upstream data that guarantees management function, uplink burst time slot control module need be forbidden OA work, prevents that OA from exporting light signal on up direction.Because management function self also will receive information such as configuration that OLT is transferred to management function, management, it is the ability that management function inside need have energy downlink data receiving frame, in order to reduce the consideration of EB cost, can be at the ascending time slot information acquisition module of the inner realization of management function uplink burst time slot control module inside or directly in the whole uplink burst time slot control module function of management function inside modules realization.
In the present embodiment, effectively passing through EB in the time slot, guaranteed that the OLT side can successfully receive upstream data by the control uplink burst data.With the multiplexing ascending resource of management function the time,, guaranteed that the upward signal of EB management function output and the upward signal that IFD receives can not clash at the IFT interface in addition by control to the uplink burst data transmission; In addition on the one hand, when the ONU of IFD interface goes wrong, can forbid that OA up direction sending function realizes isolating the IFD interface, thereby can guarantee that the control of EB and management function still can normally move the influence that is not subjected to IFD interface side fault by control.
Embodiment five
In the present embodiment, comprise management function with EB, up direction is taked the OEO mode, and it is example that down direction adopts the OEO mode, and the operation principle of upstream data control device is described, the concrete structure block diagram as shown in Figure 8.
Downlink relay or regeneration function comprise descending receiving function of IFT and the descending sending function of IFD, wherein descending receiving function mainly is made up of optical-electrical converter, trans-impedance amplifier (TIA), limiting amplifier and data clock recovery circuit (CDR), and wherein optical-electrical converter and trans-impedance amplifier generally are integrated in the same module.IFT upstream Interface function generally comprises laser and laser burst driver (BM LDD), and when the enable signal of BMLDD was forbidden, the output of LDD drive laser is output signal not, and laser is not exported light signal or only exported very weak one; When BM LDD enable signal was opened, BM LDD output was according to the light signal of data input drive laser output expression 0 and 1 signal of input.
Uplink burst time slot control module comprises ascending time slot information acquisition module, uplink burst time slot control signal generation module.Ascending time slot information acquisition module directly connects or by extra circuit, as serial-parallel conversion circuit, connects the descending receiving function of IFT, obtains downlink frame from CDR or other circuit, obtains ascending time slot authorization message in the downlink frame by monitoring downlink frame.The ascending time slot authorization message that uplink burst time slot control signal generation module listens to according to ascending time slot information acquisition module generate the up sending function of IFT interface BM LDD enable control signal, be control signal in each burst time slot zero hour, or a period of time before the beginning, enable BM LDD, in finish time of each time slot or finish back a period of time and close the driving function of BM LDD, forbid that the up sending function of IFT interface sends light signal to up direction.The control signal that uplink burst time slot control signal generation module produces can also be controlled Multiplexing module, to guarantee, even management function can not send upstream data or management function sends the input that data also can not be input to BM LDD at IFD interface upward signal sending time slots.
It is that it distributes ascending time slot that management function self also needs OLT, in the ascending time slot of management function, reliable transmission for the upstream data that guarantees management function, when the up transmission of management function, IFD interface upward signal can not be linked into IFT interface sending function, therefore need control BM LDD input by Multiplexing module, Multiplexing module herein can be realized by MUX or variable connector, in the management function ascending time slot, switch on the data wire of line output on the receiving management function, in the ascending time slot on the IFD interface, BM LDD input switches on the IFD interface.The control switching signal also can be controlled according to ascending time slot information by the ascending time slot control module.Because management function self also will receive information such as configuration that OLT is transferred to management function, management, it is the ability that management function inside need have energy downlink data receiving frame, in order to reduce the consideration of EB cost, can perhaps directly realize whole uplink burst time slot control module functions in the inner ascending time slot information acquisition module function that realizes uplink burst time slot control module inside of management function in the management function inside modules.
In the present embodiment, effectively passing through EB in the time slot, guaranteed that the OLT side can successfully receive upstream data by the control uplink burst data.With the multiplexing ascending resource of management function the time,, guaranteed that the upward signal of EB management function output and the upward signal that IFD receives can not clash at the IFT interface in addition by control to the uplink burst data transmission; In addition on the one hand, when the ONU of IFD interface goes wrong, can control multiplexing function and realize isolating the IFD interface, unaffected thereby the control of assurance EB and management function still can normally be moved when the IFD interface side breaks down.
Embodiment six
Comprise an ascending time slot authorization message acquisition module among the EB, the descending receiving function output that it directly connects the descending receiving function of EB or connects EB by serial-parallel conversion circuit (Serdes).Here be that example explanation ascending time slot authorization message acquisition module comprises the realization theory diagram with GPON, as Fig. 9 and shown in Figure 10, comprise frame synchronization, timing sequence generating logic, buffer, Plend field read, the BWMAP field length is discerned, the BWMAP field reads, gap information extracts.The Psyn field of vertical sync circuit searching downlink frame, according to Psyn field triggering synchronous state machine, the state machine process specifically can be with reference to ITU-T G.984.3, finish synchronously after, vertical sync circuit output frame synchronizing signal triggers the timing sequence generating logic and produces corresponding time sequence information.
Timing sequence generating circuit produces the PLEND field and reads the enable signal that circuit and BWMAP field read circuit.Because the PLEND field location among the GPON in the downlink frame is fixed, it is the fixed-site of relative frame head Psync field, therefore count the fixing clock cycle after only need exporting synchronizing signal, for the PLEND field reads the enable signal that circuit produces corresponding PLEN field length according to vertical sync circuit.
The PLEND field reads circuit and connects the input input buffer, and when enable signal was opened, the PLEND field read circuit and receives data from data wire, reception be the PLEND field, after buffering, export to BWMAP field length identification circuit.
BWMAP field length identification circuit is finished the extraction of BWMAP field length information, and the BWMAP length information is fed back to timing sequence generating circuit.Because BWAMP field original position is fixed, but variable-length, length is specified by the BLEN field value in the PLEND field, timing sequence generating circuit is according to synchronizing signal, the skew of BWMAP fixed position and the BWMAP field length information of vertical sync circuit output, for the BWMAP field reads the enable signal that circuit produces corresponding width.
After the BWMAP field reads circuit and is enabled, just receive data from data wire, reception promptly be the BWMAP field, after buffering, give gap information and extract circuit.
Time sequence information extracts circuit and extract the ascending time slot authorization message from the BWMAP field, comprises time slot time started (SSTART), time slot concluding time (SSTOP), can also extract Alloc-ID (authorizing sign) information.And the ascending time slot authorization message of output extraction.
Can solve the problem that can't obtain the ascending time slot authorization message among the EB by present embodiment.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (12)
1, a kind of control method of transmitting uplink data is used for the expansion box EB of passive optical network PON, it is characterized in that, may further comprise the steps:
Obtain uplink burst data time slot authorization message;
According to described uplink burst data time slot authorization message, relaying or the amplification or the regeneration of control uplink burst data.
2, method according to claim 1 is characterized in that, the described uplink burst data time slot authorization message of obtaining comprises:
From the downlink relay of EB or amplification or regeneration function, monitor downlink data, obtain uplink burst data time slot authorization message.
3, method according to claim 1 and 2 is characterized in that, and is described according to described uplink burst data time slot authorization message, and the relaying of control uplink burst data or amplification or regeneration specifically comprise:
In the zero hour of described each uplink burst data time slot or a period of time before the beginning, control uplink relay or amplification or regeneration function are opened, and described uplink burst data is carried out relaying or amplification or regeneration.
4, method according to claim 3 is characterized in that, described method further comprises:
In the finish time of described each uplink burst data time slot, control described uplink relay or amplification or regeneration function and close.
5, method according to claim 1 is characterized in that, the described uplink burst data time slot authorization message of obtaining comprises:
From the management function of EB, obtain uplink burst data time slot authorization message.
6, method according to claim 1 or 5 is characterized in that described method further comprises:
Obtain the ascending time slot information of the management function of EB;
During the ascending time slot of described management function, close relaying or the amplification or the regeneration of uplink burst data.
7, method according to claim 6 is characterized in that, described method further comprises:
During the time slot of described uplink burst data, control uplink relay or amplification or regeneration function are opened, and described uplink burst data is carried out relaying or amplification or regeneration, and close the transmitting uplink data of management function.
8, a kind of control device of transmitting uplink data is characterized in that, comprising:
Ascending time slot information acquisition module is used to obtain uplink burst data time slot authorization message;
Uplink burst time slot control signal generation module is used for generating uplink burst time slot control signal according to described uplink burst data time slot authorization message, in order to relaying or the amplification or the regeneration of control uplink burst data.
9, device according to claim 8 is characterized in that:
In Ethernet passive optical network EPON system, described ascending time slot information acquisition module obtains uplink burst data time slot authorization message by monitoring Gate MPCP message; Perhaps,
In gigabit passive optical network GPON system, described ascending time slot information acquisition module obtains uplink burst data time slot authorization message by the BWMAP field of monitoring in the downlink frame; Perhaps,
When EB integrated management function, described ascending time slot information acquisition module obtains uplink burst data time slot authorization message by management function.
10, according to Claim 8 or 9 described devices, it is characterized in that described ascending time slot information acquisition module also is used to obtain the ascending time slot information of management function;
Then described uplink burst time slot control signal generation module also is used to control the transmitting uplink data of described management function.
11, device according to claim 10 is characterized in that, described device is integrated in the management function of EB.
12, a kind of EB equipment comprises ascending time slot authorization message acquisition module, it is characterized in that: described ascending time slot authorization message acquisition module is used to obtain uplink burst data time slot authorization message.
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| CNA2008100651134A CN101478701A (en) | 2008-01-04 | 2008-01-04 | Control method and apparatus for uplink data transmission |
| PCT/CN2008/073899 WO2009086789A1 (en) | 2008-01-04 | 2008-12-31 | Method and equipment for controlling transmission of upstream data |
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| CNA2008100651134A CN101478701A (en) | 2008-01-04 | 2008-01-04 | Control method and apparatus for uplink data transmission |
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| CN102332955A (en) * | 2011-09-28 | 2012-01-25 | 成都优博创技术有限公司 | Optical repeater for powerless optical network (PON) |
| CN102413390A (en) * | 2011-12-08 | 2012-04-11 | 深圳市新岸通讯技术有限公司 | Optical communication device for connecting OLT (Optical Line Terminal) to POS (Passive Optical Splitter) |
| WO2012048643A1 (en) * | 2010-10-14 | 2012-04-19 | 华为技术有限公司 | Method and system for extending passive optical network and relay device |
| CN107222295A (en) * | 2017-05-25 | 2017-09-29 | 武汉盈科通信技术有限公司 | PON polymerize far-drawing system uplink burst processing method and distal end, local side apparatus |
| CN110169006A (en) * | 2017-01-13 | 2019-08-23 | 高通股份有限公司 | Configurable shared uplink burst length |
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| CN1244751A (en) * | 1998-08-06 | 2000-02-16 | 深圳市华为技术有限公司 | Passive optical fiber network system |
| DE69932499T2 (en) * | 1999-03-17 | 2007-03-08 | Alcatel | Method for centrally controlling a line termination in a tree-like network |
| CN101001120B (en) * | 2006-01-13 | 2010-11-17 | 段晓东 | Relay system of Ethernet passive optical network and using method thereof |
| DE102006055928A1 (en) * | 2006-11-27 | 2008-06-12 | Siemens Ag | Method and arrangement for controlling a regenerator for data burst signals of a system with point-to-multipoint connections, point-to-multipoint transmission system and regenerator |
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2008
- 2008-01-04 CN CNA2008100651134A patent/CN101478701A/en active Pending
- 2008-12-31 WO PCT/CN2008/073899 patent/WO2009086789A1/en active Application Filing
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| CN110169006B (en) * | 2017-01-13 | 2022-03-11 | 高通股份有限公司 | Configurable shared uplink burst length |
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