CN101335738A - Asymmetric digital subscriber line bandwidth aggregation method, implementing system and apparatus - Google Patents
Asymmetric digital subscriber line bandwidth aggregation method, implementing system and apparatus Download PDFInfo
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- CN101335738A CN101335738A CNA2008100192222A CN200810019222A CN101335738A CN 101335738 A CN101335738 A CN 101335738A CN A2008100192222 A CNA2008100192222 A CN A2008100192222A CN 200810019222 A CN200810019222 A CN 200810019222A CN 101335738 A CN101335738 A CN 101335738A
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Abstract
The invention discloses an asymmetrical digital subscriber line bandwidth polymerization method which bundles two telephone subscriber lines together to be used in pair, wherein, one telephone line is configured and used according to the standard of International Telecommunication Union G.992 ADSL; the asymmetrical digital subscriber bandwidth polymerization method is characterized in that the other telephone line is configured and used in the up and down transmission direction which is opposite to the standard configuration, namely, a piece of user terminal equipment is arranged at one side of the telecommunication bureau room of the telephone line while the external interface of the terminal equipment and the external interface of the local terminal access module of the normal telephone lines are bundled in parallel for use; the local terminal access module of a signal-channel digital subscriber line is arranged at one side of the user residence of the telephone line while the external output interface of the local terminal access module and the external interface of the user terminal equipment of the normal telephone lines are bundled in parallel for use. The invention also provides an ADSL broadband realization system and access equipment.
Description
Technical field
The invention belongs to a kind of method and realization system thereof of user terminal access communication service network, especially a kind of implementation method and system that is used to increase cabled digital subscribers feeder transmission bandwidth.
Background technology
The most frequently used broadband access technology is ADSL (Asymmetric Digital Subscriber Line) (ADSL) technology at present.State-of-the-art ADSL technology is standardized enhancing second generation ADSL technology (ADSL2+) in 2003, and this technology can provide descending maximum per second 24.4 megabits, the transfer of data broadband of up maximum per second 3.5 megabits in 5 kilometer range.
Why being called ADSL (Asymmetric Digital Subscriber Line), is because this technology has been used frequency multiplexing technique, transmits and receive data simultaneously on a telephone wire.As Fig. 9, shown in Figure 10, as can be seen, " ADSL Modem " up (transmission) link has used lower frequency range, and bandwidth is narrower from spectrogram; Descending (reception) link has used higher frequency range, and broader bandwidth, as shown in Figure 9." Digital Subscriber Line access module " is then opposite, and descending (transmission) link has used higher frequency range, and broader bandwidth; Up (reception) link has used lower frequency range, and bandwidth is narrower, as shown in figure 10.
Current ADSL broadband access system comprises: connect " user computer " and " ADSL Modem " " ethernet line ", " ADSL Modem ", be connected " ADSL Modem " and " Digital Subscriber Line access module " " telephone wire ", belong to local side apparatus " Digital Subscriber Line access module ", be connected " Digital Subscriber Line access module " and higher level's " broadband service facility " " ethernet line ".As shown in Figure 1.
Wherein nucleus equipment is " the Digital Subscriber Line access module " that is configured in " ADSL Modem " of user's premises and belongs to local side.
" ADSL Modem " mainly is made up of " analog module ", " digital signal processing module " and " local interface module " three modules." analog module " can also further be subdivided into " circuit driver module " and " analog front-end module " two submodules." digital signal processing module " can also further be subdivided into " Discrete Multitone is handled (DMT) module " and " Wide Area Network interface (WAN) module " two submodules.On down direction, " analog module " finishes reception and the filtering to the telephone wire analog signals, variable gain is amplified, through discrete sampling and quantification, analog signal conversion is become digital sampled signal, giving " digital signal processing module " handles, finish the demodulation of Discrete Multitone signal at " digital signal processing module ", wide area network signal (the normally ATM form) deblocking that demodulation is come out is dressed up original data signal, submit to network " local interface module ", be encapsulated into suitable local network data signals transmitted (being generally Ethernet) form once more at network " local interface module ", offer computer and use; On up direction, (normally ethernet format) signal that network " local interface module " is sent computer here receives, deliver to " digital signal processing module ", the valid data taking-up is packaged into wide area network (normally ATM) signal format, carry out the Discrete Multitone modulation then, the signal after the modulation is given " analog module ", and digital signal is converted into analog waveform signal, through after the filter amplifying processing, be driven on the 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.For example provide the chip of " analog module " in " ADSL Modem " to have: the ST70138 of ST Microelectronics, ST20174, the AD6482 of ADI, AD6483, AD6484.Provide the chip of " digital signal processing module " in " ADSL Modem " to have: the AD6485 of ADI, AD6486, AD6487, the ST20196 of ST Microelectronics, ST20184.The RTL8201 that provides the chip of " local interface module " in " ADSL Modem " that Realtek company is arranged, the AR229 of Infineon Technologies Corp., the LXT972 of Intel company etc.In addition, the AR7 of Texas Instruments, the BCM6335 of Botong company, BCM6345, BCM6348, the chips such as CX82310, CX82320 of holy news company of section have been realized " 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 be interconnected by the System Backplane bus between two parts; On same circuit board, both are swap data directly with " adsl line access module " and " uplink interface module " design for small-sized " digital subscriber access module ".
" adsl line access module " in " digital subscriber access module " mainly is made up of " circuit driver module ", " analog front-end module ", " Discrete Multitone processing module ", " Wide Area Network interface module ", and be very similar with ADSL Modem.At up direction, " circuit driver module " the circuit analog signal of receiving is carried out filtering and adjustable gain amplifies, deliver to " analog front-end module " and carry out discrete sampling and quantification, analog signal conversion is become digital signal, deliver to " Discrete Multitone processing module " again and carry out Digital Signal Processing, finish the demodulation of digital multi-tone signal, the wide area network signal (normally ATM form) that demodulation is come out is delivered to " Wide Area Network interface module ", finish the traffic aggregation of multichannel adsl link, concentrate again and deliver to " uplink interface module ", be packaged into ethernet frame format output.At down direction, " uplink interface module " will extract from the outside payload data that Ethernet interface is received, deliver to " Wide Area Network interface module ", be packaged into wide area network (normally ATM) signal format, deliver to " the Discrete Multitone processing module " of specifying adsl port then, finish the modulation of Discrete Multitone signal, signal after the modulation is given " analog front-end module ", digital signal is converted into analog waveform signal, through after the filter amplifying processing of " circuit driver module ", be driven on the telephone wire and export.
Provide the chip of " circuit driver module " in " digital subscriber access module " that the STLC60243 of ST Microelectronics is arranged, the PEB22716 of company of Infineon, the CT-L56AC02-QA of holy day company, provide the chip of " analog front-end module " in " digital subscriber access module " that the BCM6411/6421 of Botong company is arranged, the TNETD7112/7113 of Texas Instruments, holy news company of section, the STLC60454 of ST Microelectronics, the PEB22720 of company of Infineon, PEF55304, the CT-L56AC02-QA of holy day company, provide the chip of " digital signal processing module " in " digital subscriber access module " that the BCM6410/6411 of Botong company is arranged, BCM6510, the G24 of holy news company of section, the STLC61265 of ST Microelectronics, STLC61266, the PEF55016 of company of Infineon, PEF55506 etc., provide the chip of " Wide Area Network interface module " in " digital subscriber access module " that the APP300 of A Jier company is arranged, APP330, the ConverGate CP4270 of company of Infineon etc.
In order to ensure the compatibility between the chip of each manufacturer production, International Telecommunications Union has carried out standardization to Discrete Multitone processing module wherein, as Figure 11, shown in Figure 12, has stipulated the implementation method of transmitting terminal.Receiving terminal must adopt corresponding method to realize in order to resolve the data of receiving from transmitting terminal.
Therefore the implementation structure of " digital signal processing module " of local side as shown in figure 13.ADSL standard code local side descending (transmission) direction of international telecommunication union recommendation is to contrary pair upright leaf (IFFT) conversion of 512 frequency sampling points of 256 single-tones realizations, and up (reception) direction realizes the Fourier transformation of 64 time sampling points to 32 single-tones; ADSL2+ standard code local side descending (transmission) direction is to contrary pair upright leaf (IFFT) conversion of 1024 frequency sampling points of 512 single-tones realizations, 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.ADSL standard code user modulator-demodulator up (transmission) direction of international telecommunication union recommendation is to contrary pair upright leaf (IFFT) conversion of 64 frequency sampling points of 32 single-tones realizations, and descending (reception) direction realizes the Fourier transformation of 512 time sampling points to 256 single-tones; ADSL2+ standard code user modulator-demodulator up (transmission) direction is to contrary pair upright leaf (IFFT) conversion of 128 frequency sampling points of 64 single-tones realizations, and descending (reception) direction realizes the Fourier transformation of 1024 time sampling points to 512 single-tones.
In order to obtain bigger transmission bandwidth, can the utilized bandwidth polymerization technique.The bandwidth polymerization is called channel binding or link aggregation technology again, is exactly with two or more multi-link bandwidth, offers independent one and connects use.
In the computer that adopts Windows operating system, allow two or more modulator-demodulators of configuration to link to each other, thereby the bandwidth of two or more telephone dialer circuit is used in polymerization with telephone wire.
For the situation that adopts ADSL to carry out broadband access, carry out the bandwidth polymerization and just be to use two telephone wires and two ADSL Modem, insert computer simultaneously by two network interface cards.ADSL bandwidth polymerization technique has used ATM backward channel multiplexing (IMA) technology of atm forum definition.It requires to participate in two multiplexing physical links and has identical message transmission rate and close delay performance.Adopt N bar ADSL2+ circuit to carry out the bandwidth polymerization, the descending data transfer bandwidth that can obtain maximum about per second 24N megabit, 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.Each bar circuit of its not polymerization, but carry out single TCP/IP session by many circuits.A collaboration server is arranged in this Technology Need network, thereby the TCP session steadily is assigned on the different connection lines.Adopt N bar ADSL2+ circuit to connect cooperation, the descending data transfer bandwidth that can obtain maximum about per second 24N megabit, the up data transfer bandwidth that can obtain maximum about 3.5N megabit.
As everyone knows, if network traffic data is mainly provided by point to point service, PTP, the uplink bandwidth of user side needs can be less than downlink bandwidth so.Adopt present aggregation of bandwidth or connect cooperation technology, can not obtain higher uplink data transmission rates from adsl link.
Summary of the invention
In order to summarize purpose of the present invention, some aspect of the present invention, advantage and novel feature have been described here.Should be appreciated that, need not all these aspects, advantage and feature and be included among arbitrary special embodiment.
Purpose of the present invention just provides a kind of ADSL2+ of meeting standard and digital subscriber line bandwidth aggregation method and realization system that symmetrical up-downgoing transfer of data can be provided.
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 G.992ADSL standard configuration use of International Telecommunications Union, another telephone wire is configured to the up-downgoing transmission direction opposite with the aforesaid standards configuration and uses, promptly a subscriber terminal equipment is installed in telecommunication bureau's machine room one side of this telephone wire, the local side access module external interface binding in parallel of the external interface of this terminal equipment and aforementioned normal telephone line is used as new Digital Subscriber Line access module; A single channel numeral subscriber line local side access module is installed in user's dwelling house one side of this telephone wire, the external output interface of this local side access module and the binding in parallel of the subscriber terminal equipment external interface of aforementioned normal telephone line are used as new user side ADSL Modem and are used.
The invention allows for a kind of ADSL broadband access system, comprise: " ethernet line " that connects " user computer " and " ADSL Modem ", " ADSL Modem ", " telephone wire " that connects " ADSL Modem " and " Digital Subscriber Line access module ", " the Digital Subscriber Line access module " that belongs to local side apparatus, " ethernet line " that connects " Digital Subscriber Line access module " and higher level's " broadband service facility ", wherein, described " ADSL Modem " comprised " ADSL Modem " in a Geju City and " the digital subscriber access module " in a Geju City simultaneously, and described " digital subscriber access module " also comprised old " ADSL Modem " and old " digital subscriber access module " simultaneously.
The improved ADSL broadband access system of the present invention comprises: " ethernet line " that connects " user computer " and " ADSL Modem ", " ADSL Modem ", " telephone wire " that connects " ADSL Modem " and " Digital Subscriber Line access module ", " the Digital Subscriber Line access module " that belongs to local side apparatus, " ethernet line " that connects " Digital Subscriber Line access module " and higher level's " broadband service facility ", wherein, described " ADSL Modem " comprises analog module and the digital signal processing module of handling at two telephone wires, with the local interface module, wherein the processing at a telephone wire meets the ADSL of International Telecommunications Union user side signal processing code requirement, the ADSL local side signal processing code requirement that meets international telecommunication union recommendation at the processing of another telephone wire, article two, the digital signal processing module result of line is converged by the local interface module, by ethernet line and user computer exchange message; Described " Digital Subscriber Line access module " comprises the circuit driver module of handling at pair of telephone lines, analog front-end module, the circuit access module that Discrete Multitone processing module and wide area network module are formed, and between circuit access module and local side higher level broadband service the upstream Interface module of exchange message, the processing that the circuit access module is finished meets the ADSL of International Telecommunications Union local side signal processing code requirement at one processing in this a pair of telephone wire, meets the requirement of the ADSL of International Telecommunications Union user side signal processing standard at another processing.
The further improved ADSL broadband access system of the present invention comprises: " ethernet line " that connects " user computer " and " ADSL Modem ", " ADSL Modem ", " telephone wire " that connects " ADSL Modem " and " Digital Subscriber Line access module ", " the Digital Subscriber Line access module " that belongs to local side apparatus, " ethernet line " that connects " Digital Subscriber Line access module " and higher level's " broadband service facility ", wherein, described " ADSL Modem " comprises analog module and the digital signal processing module of handling at two telephone wires, with the local interface module, wherein the processing at a telephone wire meets the ADSL of International Telecommunications Union user side signal processing code requirement, the ADSL local side signal processing code requirement that meets international telecommunication union recommendation at the processing of another telephone wire, article two, the digital signal processing module result of line is converged by the local interface module, by ethernet line and user computer exchange message, the digital signal processing module of described two lines is formed a digital signal processing module assembled unit; Described " Digital Subscriber Line access module " comprises the circuit driver module of handling at pair of telephone lines, analog front-end module, the circuit access module that Discrete Multitone processing module and wide area network module are formed, and between circuit access module and local side higher level broadband service the upstream Interface module of exchange message, the processing that the circuit access module is finished meets the ADSL of International Telecommunications Union local side signal processing code requirement at one processing in this a pair of telephone wire, meets the requirement of the ADSL of International Telecommunications Union user side signal processing standard at another processing.
The further improved ADSL broadband access system of the present invention comprises: " ethernet line " that connects " user computer " and " ADSL Modem ", " ADSL Modem ", " telephone wire " that connects " ADSL Modem " and " ADSL digital repeater ", " ADSL digital repeater ", the telephone wire that connects " ADSL digital repeater " and " Digital Subscriber Line access module ", " the Digital Subscriber Line access module " that belongs to local side apparatus, " ethernet line " that connects " Digital Subscriber Line access module " and higher level's " broadband service facility ", wherein, described " ADSL Modem " comprises analog module and the digital signal processing module of handling at two telephone wires, with a local interface module, wherein the processing at a telephone wire meets the ADSL of International Telecommunications Union user side signal processing code requirement, the ADSL local side signal processing code requirement that meets international telecommunication union recommendation at the processing of another telephone wire, 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 of handling at paired telephone wire, analog front-end module, Discrete Multitone processing module, wide area network processing module, a pair of interconnected local interface module, wide area network processing module, Discrete Multitone processing module, analog front-end module and circuit driver module, wherein the processing at a telephone wire is meeting the ADSL of International Telecommunications Union user side signal processing code requirement near user side, is meeting the ADSL of International Telecommunications Union local side signal processing code requirement near the local side side; Processing at another telephone wire is then opposite, is meeting the ADSL of International Telecommunications Union local side signal processing code requirement near user side, in the requirement that meets the ADSL of International Telecommunications Union user side signal processing standard near the local side side; Described " Digital Subscriber Line access module " comprises the circuit driver module of handling at paired telephone wire, analog front-end module, the circuit access module that Discrete Multitone processing module and wide area network module are formed, and between circuit access module and local side higher level broadband service the upstream Interface module of exchange message, the processing that the circuit access module is finished meets the ADSL of International Telecommunications Union local side signal processing code requirement at one processing in this a pair of telephone wire, meets the requirement of the ADSL of International Telecommunications Union user side signal processing standard at another processing.
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 the external interface module, can handle two inconsistent adsl line signals of upstream and downstream bandwidth simultaneously, it is characterized in that this paired transmission line driver module, analog front-end module, in Discrete Multitone processing module and the wan protocol processing module one group can be handled wide and the signal that upstream bandwidth is narrow of downlink bandwidth, another group can be handled narrow and the signal that upstream bandwidth is wide of downlink bandwidth, make in two groups of right processing modules the wan protocol processing module into by the external interface module, realize and the communicating by letter of external equipment.
The invention allows for a kind of Discrete Multitone digital signal processing integrated circuit module, comprised simultaneously and handled Fourier transformation and the contrary Fourier transformation processing module of up link, handled the Fourier transformation and the contrary Fourier transformation processing module of down link higher bandwidth than narrow bandwidth.
Beneficial effect of the present invention:
1. can greatly improve the upstream bandwidth of asymmetric subscribers feeder system:
The present invention can provide the data transfer bandwidth above per second 25 megabits on up direction, both kept the advantage that the ADSL Technology basic user is many, construction cost is low, the uplink network transmission rate with digital subscriber line system has improved more than 8 times again.
2. be convenient to prolong the coverage of digital subscriber line system:
The present invention can constitute digital trunking easily, can unrestrictedly prolong the service range of digital subscriber line system by increase relaying progression, and the transfer of data signal to noise ratio can not descend, and data transfer bandwidth can not reduce.
3. application prospect is extensive:
The present invention inserts for the network user provides the wideband data of bi-directional symmetrical, has eliminated the upstream bandwidth bottleneck of ADSL (Asymmetric Digital Subscriber Line), has expanded the network application type that digital user line technology can be supported.Adopt after the present invention, not only the diverse network downloading service can obtain bigger download bandwidth, can also support new networks such as those video surveillance applications that need higher uplink bandwidth, server application, point-to-point video and image transmission to use.
4. easy to implement:
The present invention has made full use of the copper cash resource of existing network affluence, has vitalized telecommunications enterprise in the great amount of investment of having made aspect ordinary telephone line and the Digital Subscriber Line, equipment and technology standardization level height, and implementation cost is low.
Description of drawings
Fig. 1 is an ADSL (Asymmetric Digital Subscriber Line) ADSL broadband access system in the prior art of the present invention;
Fig. 2 is that the ADSL (Asymmetric Digital Subscriber Line) bandwidth of the embodiment of the invention 2 realizes system architecture diagram;
Fig. 3 is that the ADSL (Asymmetric Digital Subscriber Line) bandwidth of the embodiment of the invention 3 realizes system architecture diagram;
Fig. 4 is that the ADSL (Asymmetric Digital Subscriber Line) bandwidth of the embodiment of the invention 4 realizes system architecture diagram;
Fig. 5 is that the ADSL (Asymmetric Digital Subscriber Line) bandwidth of the embodiment of the invention 5 realizes system architecture diagram;
Fig. 6 is that the ADSL (Asymmetric Digital Subscriber Line) bandwidth of the embodiment of the invention 6 realizes system architecture diagram;
Fig. 7 is the ADSL (Asymmetric Digital Subscriber Line) bandwidth access device ADSL Modem assembled unit of the embodiment of the invention 7;
Fig. 8 is the ADSL (Asymmetric Digital Subscriber Line) bandwidth access device Digital Subscriber Line access module assembled unit of the embodiment of the 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 modular structure figure of the embodiment of the invention 9;
Figure 16 is the Discrete Multitone digital signal processing integrated circuit modular structure figure of the embodiment of the invention 9.
Embodiment
Below in conjunction with drawings and Examples the present invention is further described.
First embodiment
A kind of ADSL (Asymmetric Digital Subscriber Line) bandwidth polymerization of present embodiment, be that two telephone loops are bundled paired use, wherein a telephone wire is according to G.992ADSL standard configuration use of International Telecommunications Union, another telephone wire is configured to the up-downgoing transmission direction opposite with the aforesaid standards configuration and uses, promptly a subscriber terminal equipment is installed in telecommunication bureau's machine room one side of this telephone wire, the binding in parallel with the local side access module external interface of aforementioned normal telephone line of the external interface of this terminal equipment is used; A single channel numeral subscriber line local side access module is installed in user's dwelling house one side of this telephone wire, and the binding 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 is used.
Second embodiment
A kind of ADSL (Asymmetric Digital Subscriber Line) bandwidth of present embodiment realizes system, comprise: " ethernet line " that connects " user computer " and " ADSL Modem assembled unit ", " ADSL Modem assembled unit ", " telephone wire " that connects " ADSL Modem assembled unit " and " Digital Subscriber Line access module assembled unit ", " the Digital Subscriber Line access module assembled unit " that belongs to local side apparatus, " ethernet line " that connects " Digital Subscriber Line access module assembled unit " and higher level's " broadband service facility ", wherein, described " ADSL Modem assembled unit " comprised one " ADSL Modem " and one " digital subscriber access module " simultaneously, and described " digital subscriber access module assembled unit " also comprised one " ADSL Modem " and one " digital subscriber access module " simultaneously.As shown in Figure 2.
The 3rd embodiment
As shown in Figure 3, a kind of ADSL (Asymmetric Digital Subscriber Line) bandwidth of present embodiment realizes system, comprise: " ethernet line " that connects " user computer " and " ADSL Modem assembled unit ", " ADSL Modem assembled unit ", " telephone wire " that connects " ADSL Modem assembled unit " and " Digital Subscriber Line access module assembled unit ", " the Digital Subscriber Line access module assembled unit " that belongs to local side apparatus, " ethernet line " that connects " Digital Subscriber Line access module assembled unit " and higher level's " broadband service facility ", described " ADSL Modem assembled unit " comprises analog module combinations unit and the digital signal processing module assembled unit of handling at two telephone wires, with the local interface module, wherein the processing at a telephone wire meets the ADSL of International Telecommunications Union user side signal processing code requirement, the ADSL local side signal processing code requirement that meets international telecommunication union recommendation at the processing of another telephone wire, article two, the digital signal processing module assembled unit result of line is converged by the local interface module, by ethernet line and user computer exchange message; Described " Digital Subscriber Line access module assembled unit " comprises the adsl line access module assembled unit of handling at two telephone wires, and between adsl line access module assembled unit and local side higher level broadband service the upstream Interface module of exchange message, the processing that adsl line access module assembled unit is finished meets the ADSL of International Telecommunications Union local side signal processing code requirement at one processing in these two telephone wires, meets the requirement of the ADSL of International Telecommunications Union user side signal processing standard at another processing.As shown in Figure 3, described analog module combinations unit is by handling " circuit driver module " A1, A2 at two telephone wires and " analog front-end module " B1, B2 form; Described digital signal processing module assembled unit is by handling " Discrete Multitone processing module " C1, C2 at two telephone wires and " Wide Area Network interface module " D1, D2 forms; Described adsl line access module assembled unit is formed by handle " circuit driver module " A3, A4, " analog front-end module " B3, B4, " Discrete Multitone processing module " C3, C4, " Wide Area Network interface module " D3, D4 at two telephone wires.
The 4th embodiment
As shown in Figure 4, a kind of ADSL (Asymmetric Digital Subscriber Line) bandwidth connecting system, comprise: " ethernet line " that connects " user computer " and " ADSL Modem assembled unit ", " ADSL Modem assembled unit ", " telephone wire " that connects " ADSL Modem assembled unit " and " Digital Subscriber Line access module assembled unit ", " the Digital Subscriber Line access module assembled unit " that belongs to local side apparatus, " ethernet line " that connects " Digital Subscriber Line access module assembled unit " and higher level's " broadband service facility ", wherein, described " ADSL Modem assembled unit " comprises analog module combinations unit and the digital signal processing module assembled unit of handling at two telephone wires, with a local interface module, wherein the processing at a telephone wire meets the ADSL of International Telecommunications Union user side signal processing code requirement, the ADSL local side signal processing code requirement that meets international telecommunication union recommendation at the processing of another telephone wire, article two, the digital signal processing module assembled unit result of line is converged by the local interface module, by ethernet line and user computer exchange message; Described " Digital Subscriber Line access module assembled unit " comprises the adsl line access module assembled unit of handling at two telephone wires, and between adsl line access module assembled unit and local side higher level broadband service the upstream Interface module of exchange message, the processing that adsl line access module assembled unit is finished meets the ADSL of International Telecommunications Union local side signal processing code requirement at one processing in these two telephone wires, meets the requirement of the ADSL of International Telecommunications Union user side signal processing standard at another processing.As shown in Figure 4, described analog module combinations unit is by handling " circuit driver module " A1, A2 at two telephone wires and " analog front-end module " B1, B2 form; Described digital signal processing module assembled unit is by handling " Discrete Multitone processing module " C1, C2 at two telephone wires and " Wide Area Network interface module " D11 forms; Described adsl line access module assembled unit is formed by handle " circuit driver module " A3, A4, " analog front-end module " B3, B4, " Discrete Multitone processing module " C3, C4, " Wide Area Network interface module combinations unit " D12 at two telephone wires.
The 5th embodiment
As shown in Figure 5, basic identical with the 4th embodiment, wherein, in the described adsl line access module assembled unit, " circuit driver module " A3, A4, " analog front-end module " B3, B4, " Discrete Multitone processing module " C3, C4, " Wide Area Network interface module " D3, D4 of handling at two telephone wires 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 module combinations unit " D12 respectively.
The 6th embodiment
As shown in Figure 6, a kind of ADSL (Asymmetric Digital Subscriber Line) bandwidth of present embodiment realizes system, comprise: " ethernet line " that connects " 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, " the Digital Subscriber Line access module assembled unit " that belongs to local side apparatus, " ethernet line " that connects " Digital Subscriber Line access module assembled unit " and higher level's " broadband service facility ", described " ADSL Modem assembled unit " comprises analog module combinations unit and the digital signal processing module assembled unit of handling at two telephone wires, with the local interface module, wherein the processing at a telephone wire meets the ADSL of International Telecommunications Union user side signal processing code requirement, the ADSL local side signal processing code requirement that meets international telecommunication union recommendation at the processing of another telephone wire, article two, the digital signal processing module assembled unit result of line is converged by the local interface module, by an ethernet line and user computer exchange message; Described " Digital Subscriber Line access module assembled unit " comprises the adsl line access module assembled unit of handling at two telephone wires, and between adsl line access module assembled unit and local side higher level broadband service the upstream Interface module of exchange message, the processing that adsl line access module assembled unit is finished meets the ADSL of International Telecommunications Union local side signal processing code requirement at one processing in these two telephone wires, meets the requirement of the ADSL of International Telecommunications Union user side signal processing standard at another processing.
Above-mentioned " ADSL digital repeater " is made up of two " ADSL Modem assembled units ", local interface module interconnects in wherein two " ADSL Modem assembled unit ", analog module combinations unit in two " ADSL Modem assembled unit " is connected with " Digital Subscriber Line access module assembled unit " with described " ADSL Modem assembled unit " respectively, handle at two telephone wires, wherein the processing at a telephone wire is meeting the ADSL of International Telecommunications Union user side signal processing code requirement near user side, is meeting the ADSL of International Telecommunications Union local side signal processing code requirement near the local side side; Processing at another telephone wire is then opposite, is meeting the ADSL of International Telecommunications Union local side signal processing code requirement near user side, in the requirement that meets the ADSL of International Telecommunications Union user side signal processing standard near the local side side.
The 7th embodiment
As shown in Figure 7, a kind of ADSL (Asymmetric Digital Subscriber Line) bandwidth access device ADSL Modem assembled unit, comprise the analog module combinations unit of handling at two telephone wires, the digital signal processing module assembled unit, with the local interface module, wherein the processing at a telephone wire meets the ADSL of International Telecommunications Union user side signal processing code requirement, the ADSL local side signal processing code requirement that meets international telecommunication union recommendation at the processing of another telephone wire, article two, the digital signal processing module assembled unit result of line is converged by the local interface module, wherein, described analog module combinations unit is by handle " circuit driver module " A1 at two telephone wires, A2 and " analog front-end module " B1, B2 forms; Described digital signal processing module assembled unit is by handling " Discrete Multitone processing module " C1, C2 at two telephone wires and " Wide Area Network interface module combinations unit " D11 forms.
The 8th embodiment
As shown in Figure 8, a kind of ADSL (Asymmetric Digital Subscriber Line) bandwidth access device Digital Subscriber Line access module assembled unit, comprise adsl line access module assembled unit and the external interface module handled at two telephone wires, wherein the processing finished of adsl line access module assembled unit meets the ADSL of International Telecommunications Union local side signal processing code requirement at one processing in these two telephone wires, meet the requirement of the ADSL of International Telecommunications Union user side signal processing standard at another processing, 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 form, described paired transmission line driver module, analog front-end module, in Discrete Multitone processing module and the wan protocol processing module one group can be handled wide and the signal that upstream bandwidth is narrow of downlink bandwidth, another group can be handled narrow and the signal that upstream bandwidth is wide of downlink bandwidth, the wan protocol processing module is by the external interface module, and realization is communicated by letter with external equipment.
The 9th embodiment
As Figure 15, shown in Figure 16, a kind of Discrete Multitone digital signal processing integrated circuit module, comprised simultaneously and handled Fourier transformation and the contrary Fourier transformation processing module of up link, handled the Fourier transformation and the contrary Fourier transformation processing module of down link higher bandwidth than narrow bandwidth.
Though the present invention with preferred embodiment openly as above; but they are not to be used for limiting the present invention; anyly have the knack of this skill person; without departing from the spirit and scope of the invention; from when can doing various variations or retouching, so being as the criterion of should being defined with the application's claim protection range of protection scope of the present invention.
Claims (9)
1, a kind of ADSL (Asymmetric Digital Subscriber Line) bandwidth polymerization bundles use with paired telephone loop, it is characterized in that, the up-downgoing transmission configuration of telephone wire is opposite in pairs.
2, ADSL (Asymmetric Digital Subscriber Line) bandwidth polymerization according to claim 1, it is characterized in that, two telephone loops are bundled paired use, wherein a telephone wire is according to G.992 ADSL standard configuration use of International Telecommunications Union, another telephone wire is configured to the up-downgoing transmission direction opposite with the aforesaid standards configuration and uses, promptly a subscriber terminal equipment is installed in telecommunication bureau's machine room one side of this telephone wire, the binding in parallel with the local side access module external interface of aforementioned normal telephone line of the external interface of this terminal equipment is used; A single channel numeral subscriber line local side access module is installed in user's dwelling house one side of this telephone wire, and the binding 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 is used.
3, a kind of ADSL (Asymmetric Digital Subscriber Line) bandwidth realizes system, comprise: " ethernet line " that connects " user computer " and " ADSL Modem assembled unit ", " ADSL Modem assembled unit ", " telephone wire " that connects " ADSL Modem assembled unit " and " Digital Subscriber Line access module assembled unit ", " the Digital Subscriber Line access module assembled unit " that belongs to local side apparatus, " ethernet line " that connects " 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 analog module combinations unit and the digital signal processing module assembled unit of handling at two telephone wires, with the local interface module, wherein the processing at a telephone wire meets the ADSL of International Telecommunications Union user side signal processing code requirement, processing at another telephone wire meets the ADSL of International Telecommunications Union local side signal processing code requirement, article two, the digital signal processing module assembled unit result of telephone wire is converged by the local interface module, by ethernet line and user computer exchange message; Described " Digital Subscriber Line access module assembled unit " comprises the adsl line access module assembled unit of handling at two telephone wires, and between adsl line access module assembled unit and local side higher level broadband service the upstream Interface module of exchange message, the processing that adsl line access module assembled unit is finished meets the ADSL of International Telecommunications Union local side signal processing code requirement at one processing in these two telephone wires, meets the requirement of the ADSL of International Telecommunications Union user side signal processing standard at another processing.
4, ADSL (Asymmetric Digital Subscriber Line) bandwidth according to claim 3 realizes system, it is characterized in that, described analog module combinations unit by handle at two telephone wires " circuit driver module " (A1), (A2) and " analog front-end module " (B1), (B2) form;
Described digital signal processing module assembled unit by handle at two telephone wires " Discrete Multitone processing module " (C1), (C2) and " Wide Area Network interface module " (D1), (D2) form;
Described adsl line access module assembled unit by handle at two telephone wires " circuit driver module " (A3), (A4), " analog front-end module " (B3), (B4), " Discrete Multitone processing module " (C3), (C4), " Wide Area Network interface module " (D3), (D4) form.
5, ADSL (Asymmetric Digital Subscriber Line) bandwidth according to claim 4 realizes system, it is characterized in that, described " Wide Area Network interface module " (D1), (D2) form Wide Area Network interface module combinations unit (D11); Described " Wide Area Network interface module " (D3), (D4) form Wide Area Network interface module combinations unit (D12).
6, according to claim 3,4 or 5 described ADSL (Asymmetric Digital Subscriber Line) bandwidth realize system, it is characterized in that, 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 interconnects in wherein two " ADSL Modem assembled unit ", the analog module combinations unit in two " ADSL Modem assembled unit " are connected with " Digital Subscriber Line access module assembled unit " with described " ADSL Modem assembled unit " respectively.
7, a kind of ADSL (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 the external interface module, can handle two inconsistent adsl line signals of upstream and downstream bandwidth simultaneously, it is characterized in that, this paired transmission line driver module, analog front-end module, in Discrete Multitone processing module and the wan protocol processing module one group can be handled wide and the signal that upstream bandwidth is narrow of downlink bandwidth, another group can be handled narrow and the signal that upstream bandwidth is wide of downlink bandwidth, the wan protocol processing module is by the external interface module in these two groups of paired processing modules, and realization is communicated by letter with external equipment.
8, ADSL (Asymmetric Digital Subscriber Line) bandwidth access device according to claim 6, it is characterized in that, described Discrete Multitone processing module comprises handles Fourier transformation and the contrary Fourier transformation processing module of up link than narrow bandwidth, handles the Fourier transformation and the contrary Fourier transformation processing module of down link higher bandwidth.
9, a kind of Discrete Multitone digital signal processing integrated circuit module, it is characterized in that, it comprises handles Fourier transformation and the contrary Fourier transformation processing module of up link than narrow bandwidth, handles the Fourier transformation and the contrary Fourier transformation processing module of down link higher bandwidth.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210066975.5A CN102638383B (en) | 2008-01-16 | 2008-01-16 | Asymmetric digital subscriber line bandwidth aggregation method, realize system and equipment |
| CN2008100192222A CN101335738B (en) | 2008-01-16 | 2008-01-16 | Asymmetric digital subscriber line bandwidth aggregation method |
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| CN2008100192222A CN101335738B (en) | 2008-01-16 | 2008-01-16 | Asymmetric digital subscriber line bandwidth aggregation method |
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| CN201210066975.5A Division CN102638383B (en) | 2008-01-16 | 2008-01-16 | Asymmetric digital subscriber line bandwidth aggregation method, realize system and equipment |
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| CN101335738A true CN101335738A (en) | 2008-12-31 |
| CN101335738B CN101335738B (en) | 2012-11-14 |
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| CN2008100192222A Expired - Fee Related CN101335738B (en) | 2008-01-16 | 2008-01-16 | Asymmetric digital subscriber line bandwidth aggregation method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101820295A (en) * | 2010-03-29 | 2010-09-01 | 北京亚际芯科技有限公司 | Communication system capable of being compatible with digital communication system and analog communication system and communication method |
| CN106533885A (en) * | 2016-12-06 | 2017-03-22 | 河海大学 | Uplink bandwidth allocation method and system |
| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6314102B1 (en) * | 1997-07-10 | 2001-11-06 | Alcatel | Telecommunications system for providing both narrowband and broadband services to subscribers |
| EP1346398A2 (en) * | 2000-11-01 | 2003-09-24 | Actelis Networks Ltd. | High speed access system over copper cable plant |
| 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 |
| CN1933522B (en) * | 2005-12-13 | 2011-05-11 | 华为技术有限公司 | DSL signal transmitting system and method |
-
2008
- 2008-01-16 CN CN201210066975.5A patent/CN102638383B/en not_active Expired - Fee Related
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101820295A (en) * | 2010-03-29 | 2010-09-01 | 北京亚际芯科技有限公司 | Communication system capable of being compatible with digital communication system and analog communication system and communication method |
| 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 |
| US10663953B2 (en) | 2016-02-05 | 2020-05-26 | Harbin Bo Qiang Robot Technology Co., Ltd. | Transmission system for converting signal of 9-channel encoder into 1000Mbps PHY signal |
| CN106533885A (en) * | 2016-12-06 | 2017-03-22 | 河海大学 | Uplink bandwidth allocation method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102638383A (en) | 2012-08-15 |
| CN101335738B (en) | 2012-11-14 |
| CN102638383B (en) | 2016-01-06 |
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