CN102638383B - Asymmetric digital subscriber line bandwidth aggregation method, realize system and equipment - Google Patents
Asymmetric digital subscriber line bandwidth aggregation method, realize system and equipment Download PDFInfo
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Abstract
The invention discloses a kind of asymmetric digital subscriber line bandwidth aggregation method, two telephone loops are bundled paired use, wherein is a telephone wire according to International Telecommunication Union G.992? ADSL standard configuration uses, it is characterized in that, another telephone wire is configured to configure contrary downstream transmission direction with aforesaid standards and uses, namely a subscriber terminal equipment is arranged on telecommunication bureau's machine room side of this telephone wire, the external interface of this terminal equipment uses with in parallel binding of local side access module external interface of aforementioned normal telephone line; A single channel numeral subscriber line local side access module is arranged on user's house side of this telephone wire, bundle in parallel with the subscriber terminal equipment external interface of aforementioned normal telephone line of the external output interface of this local side access module uses.Meanwhile, the invention allows for a kind of ADSL bandwidth realization system and access device.
Description
Technical field
The invention belongs to a kind of method of user terminal access communication service network and realize system, especially a kind of implementation method for increasing cabled digital subscribers feeder transmission bandwidth and system.
Background technology
Broadband access technology the most frequently used is at present ADSL (Asymmetric Digital Subscriber Line) (ADSL) technology.State-of-the-art ADSL technology is standardized enhancing second generation ADSL technology (ADSL2+) in 2003, and this technology can provide descending maximum 24.4 megabits per second in 5 kilometer range, the transfer of data broadband of up maximum 3.5 megabits per second.
Why be called ADSL (Asymmetric Digital Subscriber Line), be because this technology employs frequency multiplexing technique, a telephone wire transmits and receive data simultaneously.As shown in Figure 9, Figure 10, as can be seen from spectrogram, " ADSL Modem " up (transmission) link employs lower frequency range, and bandwidth is narrower; Descending (reception) link employs higher frequency range, and broader bandwidth, as shown in Figure 9." Digital Subscriber Line access module " is then contrary, and descending (transmission) link employs higher frequency range, and broader bandwidth; Up (reception) link employs lower frequency range, and bandwidth is narrower, as shown in Figure 10.
Current ADSL broadband access system comprises: connect " ethernet line ", " ADSL Modem " of " user computer " and " ADSL Modem ", be connected " telephone wire " of " ADSL Modem " and " Digital Subscriber Line access module ", belong to " the Digital Subscriber Line access module " of local side apparatus, be connected " ethernet line " of " Digital Subscriber Line access module " and higher level's " broadband service facility ".As shown in Figure 1.
Wherein nucleus equipment is be configured in " ADSL Modem " of user's premises and belong to " the Digital Subscriber Line access module " of local side.
" ADSL Modem " is primarily of " analog module ", " digital signal processing module " and " Local Interface Module " three module compositions." analog module " can also be further subdivided into " circuit driver module " and " analog front-end module " two submodules." digital signal processing module " can also be further subdivided into " Discrete Multitone process (DMT) module " and " Wide Area Network interface (WAN) module " two submodules.In the downstream direction, " analog module " completes reception to telephone wire analog signals and filtering, variable gain is amplified, through discrete sampling and quantification, analog signal is converted into digital sampled signal, give " digital signal processing module " process, the demodulation of Discrete Multi Tone signal is completed at " digital signal processing module ", demodulation wide area network signals out (normally ATM form) deblocking is dressed up original data signal, submit to network " Local Interface Module ", data-signal (the being generally Ethernet) form of applicable local network transmission is again encapsulated at network " Local Interface Module ", be supplied to computer to use, in the upstream direction, (normally ethernet format) Signal reception that computer is sent here by network " Local Interface Module " gets off, deliver to " digital signal processing module ", valid data are taken out and is packaged into wide area network (normally ATM) signal format, then carry out Discrete Multitone modulation, the signal after modulation is given " analog module ", and digital signal is converted into analog waveform signal, amplify after process after filtering, be driven on telephone wire and export.Many companies provide the complete chip set solution of above-mentioned each module.
Many companies provide the complete chip set solution of above-mentioned each module.The chip of " analog module " in " ADSL Modem " is such as provided to have: ST70138, ST20174 of ST Microelectronics, AD6482, AD6483, AD6484 of ADI.The chip of " digital signal processing module " in " ADSL Modem " is provided to have: AD6485, AD6486, AD6487 of ADI, ST20196, ST20184 of ST Microelectronics.The chip of " Local Interface Module " in " ADSL Modem " is provided to have the RTL8201 of Realtek company, the AR229 of Infineon Technologies Corp., the LXT972 etc. of Intel company.In addition, the AR7 of Texas Instruments, BCM6335, BCM6345, BCM6348 of company of Botong, the chips such as CX82310, CX82320 of Ke Shengxun company achieve " analog module ", " digital signal processing module " and " Local Interface Module " simultaneously.
ADSL local side apparatus---" digital subscriber access module " can be made up of " adsl line access module " and " uplink interface module " two large divisions, can pass through System Backplane bus bar between two parts; Small-sized " digital subscriber access module ", by " adsl line access module " and " uplink interface module " design on same circuit board, both can direct swap data.
" adsl line access module " in " digital subscriber access module " is primarily of " circuit driver module ", " analog front-end module ", " Discrete Multitone processing module ", " Wide Area Network interface module " composition, very similar with ADSL Modem.At up direction, " circuit driver module " carries out filtering to the line simulation signal received and adjustable gain amplifies, deliver to " analog front-end module " and carry out discrete sampling and quantification, analog signal is converted into digital signal, deliver to " Discrete Multitone processing module " again and carry out Digital Signal Processing, complete the demodulation of digital multisound signal, demodulation wide area network signals out (normally ATM form) is delivered to " Wide Area Network interface module ", complete the traffic aggregation of multichannel adsl link, concentrate again and deliver to " uplink interface module ", be packaged into ethernet frame format to export.At down direction, the external payload data received from Ethernet interface extract by " uplink interface module ", deliver to " Wide Area Network interface module ", be packaged into wide area network (normally ATM) signal format, then deliver to " the Discrete Multitone processing module " of specifying adsl port, complete Discrete Multi Tone signal modulation, signal after modulation is given " analog front-end module ", digital signal is converted into analog waveform signal, after the filter amplifying processing of " circuit driver module ", be driven on telephone wire and export.
The chip of " circuit driver module " in " digital subscriber access module " is provided to have the STLC60243 of ST Microelectronics, the PEB22716 of company of Infineon, the CT-L56AC02-QA of Sheng Tian company, the chip of " analog front-end module " in " digital subscriber access module " is provided to have the BCM6411/6421 of company of Botong, the TNETD7112/7113 of Texas Instruments, Ke Shengxun company, the STLC60454 of ST Microelectronics, the PEB22720 of company of Infineon, PEF55304, the CT-L56AC02-QA of Sheng Tian company, the chip of " digital signal processing module " in " digital subscriber access module " is provided to have the BCM6410/6411 of company of Botong, BCM6510, the G24 of Ke Shengxun company, the STLC61265 of ST Microelectronics, STLC61266, the PEF55016 of company of Infineon, PEF55506 etc., the chip of " Wide Area Network interface module " in " digital subscriber access module " is provided to have the APP300 of A Jier company, APP330, the ConverGateCP4270 etc. of company of Infineon.
In order to ensure each manufacturer production chip between compatibility, International Telecommunication Union has carried out standardization to Discrete Multitone processing module wherein, as shown in Figure 11, Figure 12, defines the implementation method of transmitting terminal.Receiving terminal, in order to resolve the data received from transmitting terminal, must adopt corresponding method to realize.
Therefore the implementation structure of " digital signal processing module " of local side as shown in figure 13.ADSL standard gauge foregone conclusion end descending (transmission) direction of international telecommunication union recommendation realizes the inverse of 512 stepped-frequency signal to 256 single-tones and pays vertical leaf (IFFT) conversion, and up (reception) direction realizes the Fourier transformation of 64 time sampling points to 32 single-tones; ADSL2+ standard gauge foregone conclusion end descending (transmission) direction realizes the inverse of 1024 stepped-frequency signal to 512 single-tones and pays vertical leaf (IFFT) conversion, and up (reception) direction realizes the Fourier transformation of 128 time sampling points to 64 single-tones.
The implementation structure of " digital signal processing module " in user's modulator-demodulator as shown in figure 14.The ADSL standard of international telecommunication union recommendation specifies that user's modulator-demodulator up (transmission) direction realizes the inverse of 64 stepped-frequency signal to 32 single-tones and pays vertical leaf (IFFT) conversion, and descending (reception) direction realizes the Fourier transformation of 512 time sampling points to 256 single-tones; ADSL2+ standard specifies that user's modulator-demodulator up (transmission) direction realizes the inverse of 128 stepped-frequency signal to 64 single-tones and pays vertical leaf (IFFT) conversion, and descending (reception) direction realizes the Fourier transformation of 1024 time sampling points to 512 single-tones.
In order to obtain larger transmission bandwidth, can utilized bandwidth polymerization technique.Aggregated bandwidth, also known as making channel binding or link aggregation technology, is exactly the bandwidth two or more connected, and is supplied to independent one and connects use.
In the computer adopting Windows operating system, allow two or more modulator-demodulators of configuration to be connected with telephone wire, thus polymerization use the bandwidth of two or more telephone dialer circuit.
For the situation adopting ADSL to carry out broadband access, carry out aggregated bandwidth and use two telephone wires and two ADSL Modem exactly, access computer by two pieces of network interface cards simultaneously.ADSL aggregated bandwidth technology employs ATM backward channel multiplexing (IMA) technology of atm forum definition.It requires that participating in two multiplexing physical links has identical message transmission rate and close delay performance.N bar ADSL2+ circuit is adopted to carry out aggregated bandwidth, the descending data transfer bandwidth that can obtain maximum about 24N megabit per second, the up data transfer bandwidth that can obtain maximum about 3.5N megabit.
Another kind of different aggregation of bandwidth mode is called and connects cooperation.It is not polymerized each bar circuit, but carries out single TCP/IP session by many circuits.This technology needs there is a collaboration server in network, thus TCP session is steadily assigned on different connection lines.N bar ADSL2+ circuit is adopted to carry out connection cooperation, the descending data transfer bandwidth that can obtain maximum about 24N megabit per second, the up data transfer bandwidth that can obtain maximum about 3.5N megabit.
As everyone knows, if network traffic data provides primarily of point to point service, PTP, the uplink bandwidth that so user side needs can not be less than downlink bandwidth.Adopt current aggregation of bandwidth or connect cooperation technology, higher uplink data transmission rates can not be obtained from adsl link.
Summary of the invention
In order to summarize object of the present invention, be described herein some aspect of the present invention, advantage and novel feature.Should be appreciated that, be included in arbitrary special embodiment without the need to all these aspects, advantage and feature.
That object of the present invention is just to provide a kind of ADSL2+ of meeting standard and the digital subscriber line bandwidth aggregation method of symmetrical up-downgoing transfer of data can be provided and realize system.
Digital subscriber line bandwidth aggregation method of the present invention is: two telephone loops are bundled paired use, wherein a telephone wire is according to International Telecommunication Union's G.992ADSL standard configuration use, another telephone wire is configured to configure contrary downstream transmission direction with aforesaid standards and uses, namely a subscriber terminal equipment is arranged on telecommunication bureau's machine room side of this telephone wire, the external interface of this terminal equipment is in parallel with the local side access module external interface of aforementioned normal telephone line to be bundled, and uses as new Digital Subscriber Line access module; A single channel numeral subscriber line local side access module is arranged on user's house side of this telephone wire, the external output interface of this local side access module is in parallel with the subscriber terminal equipment external interface of aforementioned normal telephone line to be bundled, and is used as new user side ADSL Modem and uses.
The invention allows for a kind of ADSL broadband access system, comprise: " ethernet line " that connect " user computer " and " ADSL Modem ", " ADSL Modem ", connect " telephone wire " of " ADSL Modem " and " Digital Subscriber Line access module ", belong to " the Digital Subscriber Line access module " of local side apparatus, connect " ethernet line " of " Digital Subscriber Line access module " and higher level's " broadband service facility ", wherein, described " ADSL Modem " includes " ADSL Modem " in a Geju City and " the digital subscriber access module " in a Geju City simultaneously, described " digital subscriber access module " also includes old " ADSL Modem " and old " digital subscriber access module " simultaneously.
The ADSL broadband access system that the present invention improves comprises: " ethernet line " that connect " user computer " and " ADSL Modem ", " ADSL Modem ", connect " telephone wire " of " ADSL Modem " and " Digital Subscriber Line access module ", belong to " the Digital Subscriber Line access module " of local side apparatus, connect " ethernet line " of " Digital Subscriber Line access module " and higher level's " broadband service facility ", wherein, described " ADSL Modem " comprises and carries out the analog module that processes and digital signal processing module for two telephone wires, and Local Interface Module, process wherein for a telephone wire meets International Telecommunication Union ADSL user side signal transacting code requirement, process for another telephone wire meets the ADSL local side signal transacting code requirement of international telecommunication union recommendation, article two, the digital signal processing module result of line is converged by Local Interface Module, by ethernet line and user computer exchange message, described " Digital Subscriber Line access module " comprises and carries out for pair of telephone lines the circuit driver module that processes, analog front-end module, the circuit access module of Discrete Multitone processing module and network module composition, and between circuit access module and local side higher level broadband service the upstream Interface module of exchange message, the process that circuit access module completes meets International Telecommunication Union ADSL local side signal transacting code requirement for the process of in this pair of telephone lines, process for another meets the requirement of International Telecommunication Union ADSL user side signal transacting specification.
The ADSL broadband access system that the present invention improves further comprises: " ethernet line " that connect " user computer " and " ADSL Modem ", " ADSL Modem ", connect " telephone wire " of " ADSL Modem " and " Digital Subscriber Line access module ", belong to " the Digital Subscriber Line access module " of local side apparatus, connect " ethernet line " of " Digital Subscriber Line access module " and higher level's " broadband service facility ", wherein, described " ADSL Modem " comprises and carries out the analog module that processes and digital signal processing module for two telephone wires, and Local Interface Module, process wherein for a telephone wire meets International Telecommunication Union ADSL user side signal transacting code requirement, process for another telephone wire meets the ADSL local side signal transacting code requirement of international telecommunication union recommendation, article two, the digital signal processing module result of line is converged by Local Interface Module, by ethernet line and user computer exchange message, the digital signal processing module of two described lines forms a digital signal processing module assembled unit, described " Digital Subscriber Line access module " comprises and carries out for pair of telephone lines the circuit driver module that processes, analog front-end module, the circuit access module of Discrete Multitone processing module and network module composition, and between circuit access module and local side higher level broadband service the upstream Interface module of exchange message, the process that circuit access module completes meets International Telecommunication Union ADSL local side signal transacting code requirement for the process of in this pair of telephone lines, process for another meets the requirement of International Telecommunication Union ADSL user side signal transacting specification.
The ADSL broadband access system that the present invention further improves comprises: " ethernet line " that connect " user computer " and " ADSL Modem ", " ADSL Modem ", connect " telephone wire " of " ADSL Modem " and " ADSL digital repeater ", " ADSL digital repeater ", connect the telephone wire of " ADSL digital repeater " and " Digital Subscriber Line access module ", belong to " the Digital Subscriber Line access module " of local side apparatus, connect " ethernet line " of " Digital Subscriber Line access module " and higher level's " broadband service facility ", wherein, described " ADSL Modem " comprises and carries out the analog module that processes and digital signal processing module for two telephone wires, with a Local Interface Module, process wherein for a telephone wire meets International Telecommunication Union ADSL user side signal transacting code requirement, process for another telephone wire meets the ADSL local side signal transacting code requirement of international telecommunication union recommendation, article two, the digital signal processing module result of line is converged by a Local Interface Module, by an ethernet line and user computer exchange message, described " ADSL digital repeater " is by the circuit driver module carrying out processing for paired telephone wire, analog front-end module, Discrete Multitone processing module, wide area network processing module, a pair interconnected Local Interface Module, wide area network processing module, Discrete Multitone processing module, analog front-end module and circuit driver module, process wherein for a telephone wire is meeting International Telecommunication Union ADSL user side signal transacting code requirement near user side, is meeting International Telecommunication Union ADSL local side signal transacting code requirement near local side side, process for another telephone wire is then contrary, is meeting International Telecommunication Union ADSL local side signal transacting code requirement near user side, is meeting the requirement of International Telecommunication Union ADSL user side signal transacting specification near local side side, described " Digital Subscriber Line access module " comprises and carries out for paired telephone wire the circuit driver module that processes, analog front-end module, the circuit access module of Discrete Multitone processing module and network module composition, and between circuit access module and local side higher level broadband service the upstream Interface module of exchange message, the process that circuit access module completes meets International Telecommunication Union ADSL local side signal transacting code requirement for the process of in this pair of telephone lines, process for another meets the requirement of International Telecommunication Union ADSL user side signal transacting specification.
The invention allows for a kind of ADSL broadband access equipment, comprise paired circuit driver module, analog front-end module, Discrete Multitone processing module and wan protocol processing module, with external interface module, the adsl line signal that two upstream and downstream bandwidth are inconsistent can be processed simultaneously, it is characterized in that this paired transmission line driver module, analog front-end module, one group in Discrete Multitone processing module and wan protocol processing module can process the signal that downlink bandwidth is wide and upstream bandwidth is narrow, another group can process the signal that downlink bandwidth is narrow and upstream bandwidth is wide, to make in two groups of right processing modules wan protocol processing module into by external interface module, realize the communication with external equipment.
The invention allows for a kind of Discrete Multitone digital signal processing integrated circuit module, contain process up link compared with the Fourier transformation of narrow bandwidth with against Fourier transformation processing module, the Fourier transformation of process down link higher bandwidth and inverse Fourier transformation processing module simultaneously.
Beneficial effect of the present invention:
1. greatly can improve the upstream bandwidth of asymmetric subscribers feeder system:
The present invention can provide the data transfer bandwidth exceeding 25 megabits per second in the upstream direction, both maintain the advantage that ADSL Technology basic user is many, construction cost is low, again the uplink network transmission rate of digital subscriber line system is improve more than 8 times.
2. be convenient to the coverage extending digital subscriber line system:
The present invention can form digital trunking easily, and unrestrictedly can extend the service range of digital subscriber line system by increasing relaying progression, and transfer of data signal to noise ratio can not decline, data transfer bandwidth can not reduce.
3. application prospect is extensive:
The present invention is the wideband data access that the network user provides bi-directional symmetrical, eliminates the upstream bandwidth bottleneck of ADSL (Asymmetric Digital Subscriber Line), extends the network application type that digital user line technology can be supported.After adopting the present invention, not only various network downloading service can obtain larger download bandwidth, can also support the new network application such as those video surveillance applications needing higher uplink bandwidth, server application, point-to-point video and image transmitting.
4. easy to implement:
The present invention takes full advantage of the copper cash resource of existing network affluence, has vitalized the great amount of investment that telecommunications enterprise has made in ordinary telephone line and Digital Subscriber Line, and equipment and technology standardization level is high, and implementation cost is low.
Accompanying drawing explanation
Fig. 1 is ADSL (Asymmetric Digital Subscriber Line) ADSL broadband access system in prior art of the present invention;
Fig. 2 is that the asymmetric digital subscriber line bandwidth of the embodiment of the present invention 2 realizes system architecture diagram;
Fig. 3 is that the asymmetric digital subscriber line bandwidth of the embodiment of the present invention 3 realizes system architecture diagram;
Fig. 4 is that the asymmetric digital subscriber line bandwidth of the embodiment of the present invention 4 realizes system architecture diagram;
Fig. 5 is that the asymmetric digital subscriber line bandwidth of the embodiment of the present invention 5 realizes system architecture diagram;
Fig. 6 is that the asymmetric digital subscriber line bandwidth of the embodiment of the present invention 6 realizes system architecture diagram;
Fig. 7 is the asymmetric digital subscriber line bandwidth access device ADSL Modem assembled unit of the embodiment of the present invention 7;
Fig. 8 is the asymmetric digital subscriber line bandwidth access device Digital Subscriber Line access module assembled unit of the embodiment of the present invention 8;
Fig. 9 is the spectrogram of prior art of the present invention;
Figure 10 is the spectrogram of prior art of the present invention;
Figure 11 is the schematic diagram of the Discrete Multitone processing module of prior art of the present invention;
Figure 12 is the schematic diagram of the Discrete Multitone processing module of prior art of the present invention;
Figure 13 is the structure chart of the local side " digital signal processing module " of prior art of the present invention;
Figure 14 is the structure chart of the modulator-demodulator " digital signal processing module " of prior art of the present invention;
Figure 15 is the Discrete Multitone digital signal processing integrated circuit function structure chart of the embodiment of the present invention 9;
Figure 16 is the Discrete Multitone digital signal processing integrated circuit function structure chart of the embodiment of the present invention 9.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
First embodiment
A kind of asymmetric digital subscriber line bandwidth aggregation method of the present embodiment, that two telephone loops are bundled paired use, wherein a telephone wire is according to International Telecommunication Union's G.992ADSL standard configuration use, another telephone wire is configured to configure contrary downstream transmission direction with aforesaid standards and uses, namely a subscriber terminal equipment is arranged on telecommunication bureau's machine room side of this telephone wire, the external interface of this terminal equipment uses with in parallel binding of local side access module external interface of aforementioned normal telephone line; A single channel numeral subscriber line local side access module is arranged on user's house side of this telephone wire, bundle in parallel with the subscriber terminal equipment external interface of aforementioned normal telephone line of the external output interface of this local side access module uses.
Second embodiment
A kind of asymmetric digital subscriber line bandwidth of the present embodiment realizes system, comprise: " ethernet line " that connect " user computer " and " ADSL Modem assembled unit ", " ADSL Modem assembled unit ", connect " telephone wire " of " ADSL Modem assembled unit " and " Digital Subscriber Line access module assembled unit ", belong to " the Digital Subscriber Line access module assembled unit " of local side apparatus, connect " ethernet line " of " Digital Subscriber Line access module assembled unit " and higher level's " broadband service facility ", wherein, described " ADSL Modem assembled unit " includes one " ADSL Modem " and one " digital subscriber access module " simultaneously, described " digital subscriber access module assembled unit " also includes one " ADSL Modem " and one " digital subscriber access module " simultaneously.As shown in Figure 2.
3rd embodiment
As shown in Figure 3, a kind of asymmetric digital subscriber line bandwidth of the present embodiment realizes system, comprise: " ethernet line " that connect " user computer " and " ADSL Modem assembled unit ", " ADSL Modem assembled unit ", connect " telephone wire " of " ADSL Modem assembled unit " and " Digital Subscriber Line access module assembled unit ", belong to " the Digital Subscriber Line access module assembled unit " of local side apparatus, connect " ethernet line " of " Digital Subscriber Line access module assembled unit " and higher level's " broadband service facility ", described " ADSL Modem assembled unit " comprises and carries out the analog block combiner unit that processes and digital signal processing module assembled unit for two telephone wires, and Local Interface Module, process wherein for a telephone wire meets International Telecommunication Union ADSL user side signal transacting code requirement, process for another telephone wire meets the ADSL local side signal transacting code requirement of international telecommunication union recommendation, article two, the digital signal processing module assembled unit result of line is converged by Local Interface Module, by ethernet line and user computer exchange message, described " Digital Subscriber Line access module assembled unit " comprises and carries out for two telephone wires the adsl line access module assembled unit that processes, and between adsl line access module assembled unit and local side higher level broadband service the upstream Interface module of exchange message, the process that adsl line access module assembled unit completes meets International Telecommunication Union ADSL local side signal transacting code requirement for the process of in these two telephone wires, and the process for another meets the requirement of International Telecommunication Union ADSL user side signal transacting specification.As shown in Figure 3, described analog block combiner unit is by carrying out for two telephone wires processing " circuit driver module " A1, A2 and " analog front-end module " B1, B2 forms; Described digital signal processing module assembled unit is by carrying out for two telephone wires processing " Discrete Multitone processing module " C1, C2 and " Wide Area Network interface module " D1, D2 forms; Described adsl line access module assembled unit by carrying out processing " circuit driver module " A3, A4 for two telephone wires, " analog front-end module " B3, B4, " Discrete Multitone processing module " C3, C4, " Wide Area Network interface module " D3, D4 form.
4th embodiment
As shown in Figure 4, a kind of asymmetric digital subscriber line bandwidth connecting system, comprise: " ethernet line " that connect " user computer " and " ADSL Modem assembled unit ", " ADSL Modem assembled unit ", connect " telephone wire " of " ADSL Modem assembled unit " and " Digital Subscriber Line access module assembled unit ", belong to " the Digital Subscriber Line access module assembled unit " of local side apparatus, connect " ethernet line " of " Digital Subscriber Line access module assembled unit " and higher level's " broadband service facility ", wherein, described " ADSL Modem assembled unit " comprises and carries out the analog block combiner unit that processes and digital signal processing module assembled unit for two telephone wires, with a Local Interface Module, process wherein for a telephone wire meets International Telecommunication Union ADSL user side signal transacting code requirement, process for another telephone wire meets the ADSL local side signal transacting code requirement of international telecommunication union recommendation, article two, the digital signal processing module assembled unit result of line is converged by Local Interface Module, by ethernet line and user computer exchange message, described " Digital Subscriber Line access module assembled unit " comprises and carries out for two telephone wires the adsl line access module assembled unit that processes, and between adsl line access module assembled unit and local side higher level broadband service the upstream Interface module of exchange message, the process that adsl line access module assembled unit completes meets International Telecommunication Union ADSL local side signal transacting code requirement for the process of in these two telephone wires, and the process for another meets the requirement of International Telecommunication Union ADSL user side signal transacting specification.As shown in Figure 4, described analog block combiner unit is by carrying out for two telephone wires processing " circuit driver module " A1, A2 and " analog front-end module " B1, B2 forms; Described digital signal processing module assembled unit is by carrying out for two telephone wires processing " Discrete Multitone processing module " C1, C2 and " Wide Area Network interface module " D11 forms; Described adsl line access module assembled unit by carrying out processing " circuit driver module " A3, A4 for two telephone wires, " analog front-end module " B3, B4, " Discrete Multitone processing module " C3, C4, " Wide Area Network interface block combiner unit " D12 form.
5th embodiment
As shown in Figure 5, substantially identical with the 4th embodiment, wherein, in described adsl line access module assembled unit, " circuit driver module " A3, the A4 carrying out processing for two telephone wires, " analog front-end module " B3, B4, " Discrete Multitone processing module " C3, C4, " Wide Area Network interface module " D3, D4 form " circuit driver module assembled unit " A12, " analog front-end module assembled unit " B12, " Discrete Multitone processing module assembled unit " C12, " Wide Area Network interface block combiner unit " D12 respectively.
6th embodiment
As shown in Figure 6, a kind of asymmetric digital subscriber line bandwidth of the present embodiment realizes system, comprise: " ethernet line " that connect " user computer " and " ADSL Modem assembled unit ", " ADSL Modem assembled unit ", " ADSL digital repeater ", described " ADSL digital repeater " is connected with " Digital Subscriber Line access module assembled unit " with " ADSL Modem assembled unit " respectively by telephone wire, belong to " the Digital Subscriber Line access module assembled unit " of local side apparatus, connect " ethernet line " of " Digital Subscriber Line access module assembled unit " and higher level's " broadband service facility ", described " ADSL Modem assembled unit " comprises and carries out the analog block combiner unit that processes and digital signal processing module assembled unit for two telephone wires, and Local Interface Module, process wherein for a telephone wire meets International Telecommunication Union ADSL user side signal transacting code requirement, process for another telephone wire meets the ADSL local side signal transacting code requirement of international telecommunication union recommendation, article two, the digital signal processing module assembled unit result of line is converged by Local Interface Module, by an ethernet line and user computer exchange message, described " Digital Subscriber Line access module assembled unit " comprises and carries out for two telephone wires the adsl line access module assembled unit that processes, and between adsl line access module assembled unit and local side higher level broadband service the upstream Interface module of exchange message, the process that adsl line access module assembled unit completes meets International Telecommunication Union ADSL local side signal transacting code requirement for the process of in these two telephone wires, and the process for another meets the requirement of International Telecommunication Union ADSL user side signal transacting specification.
Above-mentioned " ADSL digital repeater " is made up of two " ADSL Modem assembled units ", Local Interface Module interconnection in wherein two " ADSL Modem assembled unit ", analog block combiner unit in two " ADSL Modem assembled unit " is connected with " Digital Subscriber Line access module assembled unit " with described " ADSL Modem assembled unit " respectively, process for two telephone wires, process wherein for a telephone wire is meeting International Telecommunication Union ADSL user side signal transacting code requirement near user side, International Telecommunication Union ADSL local side signal transacting code requirement is being met near local side side, process for another telephone wire is then contrary, is meeting International Telecommunication Union ADSL local side signal transacting code requirement near user side, is meeting the requirement of International Telecommunication Union ADSL user side signal transacting specification near local side side.
7th embodiment
As shown in Figure 7, a kind of asymmetric digital subscriber line bandwidth access device ADSL Modem assembled unit, comprise and carry out for two telephone wires the analog block combiner unit that processes, digital signal processing module assembled unit, and Local Interface Module, process wherein for a telephone wire meets International Telecommunication Union ADSL user side signal transacting code requirement, process for another telephone wire meets the ADSL local side signal transacting code requirement of international telecommunication union recommendation, article two, the digital signal processing module assembled unit result of line is converged by Local Interface Module, wherein, described analog block combiner unit is by carrying out for two telephone wires processing " circuit driver module " A1, A2 and " analog front-end module " B1, B2 forms, described digital signal processing module assembled unit is by carrying out for two telephone wires processing " Discrete Multitone processing module " C1, C2 and " Wide Area Network interface block combiner unit " D11 forms.
8th embodiment
As shown in Figure 8, a kind of asymmetric digital subscriber line bandwidth access device Digital Subscriber Line access module assembled unit, comprise and carry out the adsl line access module assembled unit that processes and external interface module for two telephone wires, the process that wherein adsl line access module assembled unit completes meets International Telecommunication Union ADSL local side signal transacting code requirement for the process of in these two telephone wires, process for another meets the requirement of International Telecommunication Union ADSL user side signal transacting specification, wherein, described adsl line access module assembled unit is by paired circuit driver module A3, A4, analog front-end module B3, B4, Discrete Multitone processing module C3, C4 and wan protocol processing module D12 forms, described paired transmission line driver module, analog front-end module, one group in Discrete Multitone processing module and wan protocol processing module can process the signal that downlink bandwidth is wide and upstream bandwidth is narrow, another group can process the signal that downlink bandwidth is narrow and upstream bandwidth is wide, wan protocol processing module is by external interface module, realize the communication with external equipment.
9th embodiment
As shown in Figure 15, Figure 16, a kind of Discrete Multitone digital signal processing integrated circuit module, contain process up link compared with the Fourier transformation of narrow bandwidth with against Fourier transformation processing module, the Fourier transformation of process down link higher bandwidth and inverse Fourier transformation processing module simultaneously.
Although the present invention with preferred embodiment openly as above; but they are not for limiting the present invention; anyly have the knack of this those skilled in the art; without departing from the spirit and scope of the invention; can make various changes or retouch from working as, what therefore protection scope of the present invention should define with the claims of the application is as the criterion.
Claims (2)
1. an asymmetric digital subscriber line bandwidth realizes system, comprise: " ethernet line " that connect " user computer " and " ADSL Modem assembled unit ", " ADSL Modem assembled unit ", connect " telephone wire " of " ADSL Modem assembled unit " and " Digital Subscriber Line access module assembled unit ", belong to " the Digital Subscriber Line access module assembled unit " of local side apparatus, connect " ethernet line " of " Digital Subscriber Line access module assembled unit " and higher level's " broadband service facility ", it is characterized in that: described " ADSL Modem assembled unit " comprises and carry out the analog block combiner unit that processes and digital signal processing module assembled unit for two telephone wires, and Local Interface Module, process wherein for a telephone wire meets International Telecommunication Union ADSL user side signal transacting code requirement, process for another telephone wire meets International Telecommunication Union ADSL local side signal transacting code requirement, article two, the digital signal processing module assembled unit result of telephone wire is converged by Local Interface Module, by ethernet line and user computer exchange message, described " Digital Subscriber Line access module assembled unit " comprises and carries out for two telephone wires the adsl line access module assembled unit that processes, and between adsl line access module assembled unit and local side higher level broadband service the upstream Interface module of exchange message, the process that adsl line access module assembled unit completes meets International Telecommunication Union ADSL local side signal transacting code requirement for the process of in these two telephone wires, and the process for another meets the requirement of International Telecommunication Union ADSL user side signal transacting specification, described analog block combiner unit by carrying out processing " circuit driver module " (A1), (A2) and " analog front-end module " (B1) for two telephone wires, (B2) form, described digital signal processing module assembled unit forms by carrying out processing " Discrete Multitone processing module " (C1), (C2) and " Wide Area Network interface module " (D1), (D2) for two telephone wires, described adsl line access module assembled unit by carrying out processing " circuit driver module " (A3), (A4) for two telephone wires, " analog front-end module " (B3), (B4), " Discrete Multitone processing module " (C3), (C4), " Wide Area Network interface module " (D3), (D4) form, described " Wide Area Network interface module " (D1), (D2) forms Wide Area Network interface block combiner unit (D11), described " Wide Area Network interface module " (D3), (D4) forms Wide Area Network interface block combiner unit (D12), it also comprises " ADSL digital repeater ", described " ADSL digital repeater " is connected with " Digital Subscriber Line access module assembled unit " with " ADSL Modem assembled unit " respectively by telephone wire, described " ADSL digital repeater " is made up of two " ADSL Modem assembled units ", Local Interface Module interconnection in wherein two " ADSL Modem assembled unit ", analog block combiner unit in two " ADSL Modem assembled unit " is connected with " Digital Subscriber Line access module assembled unit " with described " ADSL Modem assembled unit " respectively.
2. an asymmetric digital subscriber line bandwidth access device, comprise paired circuit driver module, analog front-end module, Discrete Multitone processing module and wan protocol processing module, with external interface module, the adsl line signal that two upstream and downstream bandwidth are inconsistent can be processed simultaneously, it is characterized in that, this paired transmission line driver module, analog front-end module, one group in Discrete Multitone processing module and wan protocol processing module can process the signal that downlink bandwidth is wide and upstream bandwidth is narrow, another group can process the signal that downlink bandwidth is narrow and upstream bandwidth is wide, in these two groups of paired processing modules, wan protocol processing module is by external interface module, realize the communication with external equipment, described Discrete Multitone processing module comprises process up link compared with the Fourier transformation of narrow bandwidth with against Fourier transformation processing module, the Fourier transformation of process down link higher bandwidth and inverse Fourier transformation processing module.
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| CN201210066975.5A CN102638383B (en) | 2008-01-16 | 2008-01-16 | Asymmetric digital subscriber line bandwidth aggregation method, realize system and equipment |
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| CN2008100192222A CN101335738B (en) | 2008-01-16 | 2008-01-16 | Asymmetric digital subscriber line bandwidth aggregation method |
| CN201210066975.5A CN102638383B (en) | 2008-01-16 | 2008-01-16 | Asymmetric digital subscriber line bandwidth aggregation method, realize system and equipment |
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| CN101820295B (en) * | 2010-03-29 | 2013-07-31 | 安徽亚际电子技术有限责任公司 | Communication system capable of being compatible with digital communication system and analog communication system and communication method |
| WO2017132785A1 (en) | 2016-02-05 | 2017-08-10 | 哈尔滨博强机器人技术有限公司 | Transmission system converting a signal of 9-channel encoder into 1000-mbps phy signal |
| CN106533885A (en) * | 2016-12-06 | 2017-03-22 | 河海大学 | Uplink bandwidth allocation method and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1211129A (en) * | 1997-07-10 | 1999-03-17 | 阿尔卡塔尔-阿尔斯托姆通用电气公司 | Telecommunication system for providing both narrowband and broadband services |
| CN1479979A (en) * | 2000-11-01 | 2004-03-03 | 阿克泰利斯网络有限公司 | High speed access system over copper cable plant |
| CN1933522A (en) * | 2005-12-13 | 2007-03-21 | 华为技术有限公司 | DSL signal transmitting system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1697340A (en) * | 2004-05-11 | 2005-11-16 | 卓智电子股份有限公司 | Segregating unit for dynamic voice |
| CN1881912A (en) * | 2005-06-13 | 2006-12-20 | 华澳通讯（上海）有限公司 | Digital user line binding and accessing method based on multi-user |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1211129A (en) * | 1997-07-10 | 1999-03-17 | 阿尔卡塔尔-阿尔斯托姆通用电气公司 | Telecommunication system for providing both narrowband and broadband services |
| CN1479979A (en) * | 2000-11-01 | 2004-03-03 | 阿克泰利斯网络有限公司 | High speed access system over copper cable plant |
| CN1933522A (en) * | 2005-12-13 | 2007-03-21 | 华为技术有限公司 | DSL signal transmitting system and method |
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| CN101335738B (en) | 2012-11-14 |
| CN102638383A (en) | 2012-08-15 |
| CN101335738A (en) | 2008-12-31 |
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