CN101179298B - Modem device of supporting power line and digital subscriber line access and implementing method thereof - Google Patents
Modem device of supporting power line and digital subscriber line access and implementing method thereof Download PDFInfo
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- CN101179298B CN101179298B CN2006101386620A CN200610138662A CN101179298B CN 101179298 B CN101179298 B CN 101179298B CN 2006101386620 A CN2006101386620 A CN 2006101386620A CN 200610138662 A CN200610138662 A CN 200610138662A CN 101179298 B CN101179298 B CN 101179298B
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Abstract
The invention discloses a modulation demodulation device that supports the access of a power line and a digital subscriber line and the implementation method, which relates to the broadband switch-in technology and is invented to resolve the problem that only a single switch-in pattern can be utilized in the prior art. The modulation demodulation device that supports the switch-in of a power line and a digital subscriber line, which comprises a data interface, a micro-processor, a power line communication modulation demodulation module and a digital subscribe line modulation demodulation module, wherein the micro-processor selects the power line communication modulation demodulation module and / or the digital subscribe line modulation demodulation module to switch-in the broadband, which is achieved through the data transmission between the power line communication modulation demodulation module and / or the digital subscribe line modulation demodulation module and the data interface controlled by the micro-processor. The invention selects different modulation demodulation modules to switch-in the broadband through the micro-processor, thereby providing users with more diverse selections. The download speed can be improved if two access modes are selected at the same time, and the invention is chiefly utilized to switch-in a data terminal to the broadband.
Description
Technical field
The present invention relates to broadband access technology, particularly power line broadband access and XDSL (Digital Subscriber Line, the Digital Subscriber Line) modulation-demodulation device of broadband access and the implementation method of this device.
Background technology
Power line communication technology is called for short PLC (Power Line Communication), is meant a kind of communication mode that utilizes power line transmission high-frequency data and voice signal.This technology is to utilize power line to transmit high-frequency signal, on the basis that does not need rewiring, realize online, make a phone call and watch multiple application such as cable TV, the user can surf the Net, makes a phone call and watch cable TV by any one supply socket of the inside, room, realizes the mobile office of family.
XDSL (Digital Subscriber Line, Digital Subscriber Line) is gang's telecommunication service, comprises ADSL (asymmetric D SL), RADSL (adaptation rate DSL), SDSL (symmetrical DSL) and VDSL (Very High Speed DSL) etc.It utilizes digital coding to obtain the largest data transfer capacity from existing copper telephone wire, and not disturbing the conventional voice service of carrying out on the same line, its reason simultaneously again is that it uses phone speech transmissions frequency transmission data in addition.That is to say that the user can make a phone call or send fax, and can not influence speech quality, also can not reduce the speed of downloading the Internet content in online.
In recent years, along with the develop rapidly of Internet technology, the number of logon is doubled and redoubled.Yet, adopt which kind of communication mode to make user terminal be connected to nearest broadband network connection device, becoming one of difficult point of long-term puzzlement people, also is one of universal bottleneck of Internet, is called " last kilometer " problem that broadband network inserts by the insider.At present, the XDSL broadband access is one of most widely used broadband network connected mode.
The PLC technology of low-voltage power line transmitting high speed data that town and country, through user are extended in all direction, spread all in utilization with it without rewiring, wide coverage, distinguishing feature easy to connect, one of technology that " last 300 meters " solution of being thought to provide broadband network to insert by the insider is the most competitive.High speed PLC can transmit the data up to 200Mbps at present, and can transmit data, voice, video and electric power simultaneously, might bring the new trend of data, speech, video, electric power " four networks one platform ".
But no matter be to adopt XDSL broadband access technology or power line broadband access technology, adopting single mode access band, when line attachment breaks down, we interrupt because of temporary transient maintenance with regard to having to and being connected of internet, yet the maintenance of circuit may continue the long period, for modern society's fast pace, high efficiency requirement, this obviously is unallowed, and very possible because this section maintenance time, we just have very big economic loss.
Summary of the invention
In order to overcome above-mentioned defective, the object of the present invention is to provide a kind of modulation-demodulation device and the implementation method that can support simultaneously that power line and Digital Subscriber Line insert.
In order to reach the foregoing invention purpose, the present invention adopts following technical scheme, and the modulation-demodulation device that this support power line and Digital Subscriber Line insert comprises:
Power line communication modulation module is used for the data after the modulation are sent to power line by power line interface, and is used for the data of demodulation from power line;
Digital Subscriber Line modulation module is used for the data after the modulation are sent to telephone wire by telephone line interface, and is used for the data of demodulation from telephone wire;
Data-interface is used for transmission terminal and sends data, and receives from the data after power line communication modulation module and/or the demodulation of Digital Subscriber Line modulation module;
Microprocessor, be used for by sending enabling signal or regularly calling network bandwidth locator(-ter), power line communication modulation module and/or Digital Subscriber Line modulation module access band are enabled in selection, and the transfer of data between control power line communication modulation module and/or Digital Subscriber Line modulation module and the data-interface.
Wherein, described power line communication modulation module comprises power line coupling and anti-surge circuit, and this power line coupling and anti-surge circuit are connected with power line interface.
Wherein, this device also comprises data storage, this data storage is connected with microprocessor, power line communication modulation module, Digital Subscriber Line modulation module and data-interface respectively, is used for the data of transmitting between store electricity line of force communication modulation module and/or Digital Subscriber Line modulation module and the data-interface.Wherein, this device also comprises demultiplexer, is used for isolating voice signal from the signal that power line and/or telephone wire transmit, and sends to communicator.Wherein, this device also comprises accessory circuit, is used for the signal of enabling of external control component or wireless remote controller input is sent to microprocessor.
Wherein, described accessory circuit is supported the operating state of the modulation-demodulation device that power line and Digital Subscriber Line insert according to this, control operate outside status indicator lamp.
Require to realize inserting in power line and the Digital Subscriber Line under said apparatus, the present invention supports the implementation method of the modulation-demodulation device that power line and Digital Subscriber Line insert may further comprise the steps:
(1) user enables signal to the microprocessor input;
(2) microprocessor is by sending enabling signal or regularly calling network bandwidth locator(-ter), power line communication modulation module and/or Digital Subscriber Line modulation module are enabled in selection, and the transfer of data between control power line communication modulation module and/or Digital Subscriber Line modulation module and the data-interface.
Wherein, the described microprocessor of step (2) is by sending enabling signal or regularly calling network bandwidth locator(-ter), and power line communication modulation module is enabled in selection and/or Digital Subscriber Line modulation module is:
(21) if the user selects power line communication modulation module access band, then microprocessor sends enabling signal to power line communication modulation module;
(22) as if user-selected number word subscribers feeder modulation module access band, then microprocessor sends enabling signal to Digital Subscriber Line modulation module;
(23) if the user selects to utilize simultaneously power line communication modulation module and Digital Subscriber Line modulation module access band, then microprocessor sends enabling signal to power line communication modulation module and Digital Subscriber Line modulation module;
(24) if the user selects the adaptive wideband access way, then timing microprocessor calls network bandwidth locator(-ter), and is controlled at the access way access band of selecting broader bandwidth in power line communication modulation module and the Digital Subscriber Line modulation module for use.
Wherein, described microprocessor is preserved the broadband access method that the user selects.Can start user terminal once more the user like this is access way need not be set but directly call the access way of keeping, and can save the required time is being set.
The present invention selects power line communication modulation module and/or XDSL modulation module access band for use by microprocessor control, power line broadband access technology and XDSL broadband access technology are merged in a modulation-demodulation device, make this device both support power line broadband access online also to support XDSL broadband access online, thereby make the user select suitable broadband access method, be user-friendly to according to the hobby of oneself; The user can also select the access way online of broader bandwidth automatically by network bandwidth locator(-ter) for use, makes the user can use network speed connected mode access faster internet always; And if the user selects to utilize power line broadband access method and XDSL broadband access method to land network simultaneously, the user just can download the different piece of required content simultaneously by two kinds of broadband access methods, serial for example, one section bigger video file etc. can be accelerated speed of download like this.When the user had preserved a kind of access way, each communication terminal started and all returns the access way that loads this preservation automatically, made user's access band fast.
And the present invention also is provided with the user and selects control circuit and ancillary equipment thereof, has button to select that unlimited control is also arranged, and these have all made things convenient for the user to select broadband access method.After in this device, adding demultiplexer, just can directly be connected, make the present invention can realize the telephone relation function with communicator.
Description of drawings
Fig. 1 supports the theory diagram of the modulation-demodulation device that power line and Digital Subscriber Line insert for the present invention;
Fig. 2 supports the module connection layout of the modulation-demodulation device that power line and Digital Subscriber Line insert for the present invention.
Embodiment
As shown in Figure 1, the invention provides a kind of modulation-demodulation device of supporting power line and XDSL broadband access simultaneously, this device mainly comprises microprocessor, power line communication modulation module, XDSL modulation module and data-interface; Wherein, data-interface is connected with microprocessor by the interface management circuit, power line communication modulation module, XDSL modulation module are connected with microprocessor respectively with data storage, and power line communication modulation module is connected with power line interface (supply socket just) by its inner power line coupling and anti-surge circuit, and XDSL modulation module directly is connected with telephone line interface (telephone line socket just).Microprocessor can be a single-chip microcomputer, FPGA (field programmable gate array) or have the module of control ability, data-interface can be RS232, RS485, the USB1.0/2.0 interface, Ethernet interface or ATM25 interface, power according to the microprocessor self-ability, can determine whether to increase optional device data memory, the data storage that increases respectively with microprocessor, power line communication modulation module, Digital Subscriber Line modulation module and data-interface connect, and are mainly used in the data of transmitting between store electricity line of force communication modulation module and/or Digital Subscriber Line modulation module and the data-interface.Data-interface can be RS232, RS485, USB1.0/2.0 interface, Ethernet interface or ATM25 interface.
The present invention supports that simultaneously the principle of the modulation-demodulation device that power line and XDSL insert is exactly to utilize microprocessor to send enabling signal for power line communication modulation module and/or XDSL modulation module to respond the broadband access method that the user selects.When the user used this device, described microprocessor called in self or other data storage program stored and the transmission data are handled and controlled selects the modulation module for use.
Implementation method among the present invention is specific as follows, and microprocessor is enabled the access way that signal selects the user to select, and comprises following plurality of access modes and combination thereof:
(1) if the user selects power line communication modulation module access band, microprocessor signals to power line communication modulation module and starts power line communication modulation module, after this module starts, do not having under the state of transfer of data, data-interface end (as USB1.0/2.0 interface, Ethernet interface etc.) and power line interface all are in listening state, and any end has data to arrive, microprocessor is immediately according to Data Source, and control data flows to and communication process.Below the course of work is described: arrive when data-interface has data, the Data Receiving of the automatic log-on data interface of microprocessor, deposit data in data storage, and with the data modulation circuitry transmission of these data in power line communication modulation module, data modulation circuitry becomes carrier signal with this data-modulated, output to power line coupling and anti-surge circuit again after amplifying, this power line coupling and anti-surge circuit are coupled to power line with data.Power line coupling and anti-surge circuit prevent that mainly surge voltage is impacted modulator-demodulator on the power line.When the power line interface end had data to arrive, the power line data demodulation circuit at first was demodulated to data flow with carrier signal, deposits data storage in, by communications protocol data is sent to data-interface again.
(2) if the user selects XDSL modulation module access band, microprocessor signals to XDSL modulation module and starts XDSL modulation module, do not having under the state of transfer of data, data-interface is (as the USB1.0/2.0 interface, Ethernet interface etc.) and telephone line interface all be in listening state, any end has data to arrive, and microprocessor is immediately according to Data Source, and control data flows to and communication process.Below the course of work is described: arrive when the data-interface end has data, the automatic log-on data interface end of microprocessor Data Receiving, deposit data in data storage, and a formation data flow to the transmission of XDSL data modulation circuitry, data modulation circuitry becomes carrier signal with the data-modulated of receiving, is sent to telephone wire again after amplifying.When telephone line interface had data to arrive, the XDSL data demodulation circuit at first was demodulated to data flow with carrier signal, deposits data storage in, by communications protocol data is sent to data-interface again.
(3) if the user selects the adaptive wideband access way, described microprocessor will call the network bandwidth that network bandwidth locator(-ter) is surveyed power line broadband access and XDSL broadband access at set intervals, the broadband access method of selecting the relative broad of bandwidth for use is as the broadband access method of this section in the time, wherein network bandwidth detection mode can utilize existing any network bandwidth detection method, if select the power line broadband access method for use, then communicate by above-mentioned power line broadband access step, if select the XDSL broadband access method for use, then undertaken by above-mentioned XDSL broadband access step, the big I of network detection blanking time is set by user oneself, and the time interval of several acquiescences also can be provided by system.
(4) if the user selects to utilize power line broadband access method and XDSL broadband access method to land network simultaneously, described microprocessor is sent out enabling signal and is started power line communication modulation module and XDSL modulation module, download the different piece of required content then simultaneously by two kinds of broadband access methods, serial for example, one section bigger video file etc.
The present invention selects power line communication modulation module and/or XDSL modulation module access band for use by microprocessor control, power line broadband access technology and XDSL broadband access technology are merged in a modulation-demodulation device, make this device both support power line broadband access online also to support XDSL broadband access online, thereby make the user select suitable broadband access method, be user-friendly to according to the hobby of oneself; The user can also select the access way online of broader bandwidth automatically by network bandwidth locator(-ter) for use, makes the user can use network speed connected mode access faster internet always; And if the user selects to utilize power line broadband access method and XDSL broadband access method to land network simultaneously, the user just can download the different piece of required content simultaneously by two kinds of broadband access methods, the quickening speed of download.
As shown in Figure 2, the present invention supports the modulation-demodulation device of power line and XDSL broadband access to comprise power line communication modulation module simultaneously, XDSL modulation module, microprocessor, data-interface and data-interface control circuit, wherein power line communication modulation module is connected to microprocessor by circuit 1, XDSL modulation module is connected to microprocessor by circuit 2, power according to the microprocessor self performance, select whether to use data storage, if microprocessor self has enough data spaces, then do not need to use extra data storage, if microprocessor does not have enough memory spaces, then need to use extra data storage, this microprocessor is connected to the data-interface control circuit by circuit 3, the data communications equipment unit is (as kneetop computer, personal computers etc.) data-interface by the control of data-interface control circuit is connected to device of the present invention, data-interface can be an Ethernet interface, USB interface, the ATM25 interface, or radio network interface, can use any common interface that is used for data communication, data-interface also can be any combination that is used for the common interface of data communication, as Ethernet interface is provided simultaneously, USB interface, Wi-Fi (Wireless Fidelity: Wireless Fidelity) interface.The circuit that coupling of power line in the power line communication modulation module and anti-surge circuit provide is connected to power line interface (supply socket) by circuit 4 with the power line communication modulation module of apparatus of the present invention, the signal of power line communication modulation module transmission is all by supply socket and network service, telephone line interface is connected to telephone line interface (telephone socket) to the XDSL modulation module of this device by circuit 5, and the signal of XDSL modulation module transmission is all by telephone socket and network service.The crystal oscillator group is made of several crystal oscillators, for the device part that needs crystal oscillator (as microprocessor, power line communication modulation module, or XDSL modulation module etc.) provides suitable operating frequency.DC power supply circuit is that the device part that needs direct voltage (as microprocessor, power line communication modulation module, or XDSL modulation module etc.) provides suitable operating voltage.
In order to make the easy to use, simple to operate of apparatus of the present invention, also comprise accessory circuit in apparatus of the present invention, this accessory circuit comprises as follows for this device provides some auxiliary functions:
1) if be provided with the operating state that LED light is used for showing this device comprising on the whole wiring board shell of (comprising all parts shown in Figure 2), then accessory circuit can be used to control according to the operating state of apparatus of the present invention the state of these indicator lights.
2) be to adopt power line broadband access or the external control component of XDSL broadband access (as button, knob or switch) if shell is provided with for user's selection, the broadband access method that the user oneself likes by this external control component selection, then accessory circuit is issued microprocessor by the selection of external control component input in the mode of signal with the user, microprocessor is done corresponding processing according to user's selection signals, mainly is to select electrification line communication modulation module and/or XDSL modulation module or their compound mode.
3) if to make the user select the power line broadband access method by a wireless remote controller still be XDSL broadband access method or their compound mode, then accessory circuit provides corresponding wave point and to receiving circuit and by the signal format of relevant communication protocol regulation the signal that receives is passed to microprocessor; Receive the required wave point of wireless remote controller if in data-interface, itself provide, corresponding accessory circuit just is not provided to provide.
After the user starts this device, select the mode of broadband access by data communications equipment unit (as kneetop computer or personal computer), this signal is passed to microprocessor by data-interface, in order to save start-up time, this device can be preserved the access way that the user selects according to customer requirements, the mode access band online of just selecting in advance according to the user during startup; Sometimes in order conveniently to switch broadband access method, selector button or relevant wave point etc. are provided on this crust of the device, and the user also can utilize these parts to select the broadband access method of oneself liking, and begins then to surf the web, after the end, the user disconnects network equipment.
For voice service can be provided simultaneously, this device also can carry microphone, receiver, dialing parts etc., the user can utilize this device and other people to carry out phone and link up, can need increase the separator of a voice signal and XDSL data-signal in realization in the circuit board, in the communicator that this separator is formed the voice signal transmission separated to microphone, receiver and dialing parts etc., realize surfing the Net simultaneously and making a phone call.
Promote the use of the modulation-demodulation device that the present invention supports power line and XDSL broadband access, can allow Utilities Electric Co. join telecommunication market competition, along with opening gradually of telecommunications and electricity market, the new method of supporting its competitive advantage on market is being sought by Utilities Electric Co..High speed PLC provide a kind of need not extra wiring, at a low price efficient, arrive at " last 300 meters " solution of each family from distribution transforming, this is a solution that has the network insertion of temptation to Utilities Electric Co..Utilize the power network facility that has existed, Utilities Electric Co. only need drop into lower PLC cost of equipment, just can enter the communication and the network market rapidly, for it creates new profit growth point.In addition, the electric power value-added service that high speed PLC provides is that Utilities Electric Co. has saved a large sum of expense, and these services comprise distant place automatic data logging, dsm, load control, real time billing etc.
Utilities Electric Co. provides telecommunications service, has fairly obvious superiority.At first it has the power consumer more much more than telecommunications and cable TV, detailed customer information and expense single system; Secondly a lot of Utilities Electric Co.s have set up the high speed fibre network that gos deep into each mesohigh transformer station, are used for the internal transmission of power system monitor and power consumption information, the Utilities Electric Co. that has even optical fibre frame has been set to low voltage distribution transformer.Utilize these infrastructure, add that high speed PLC solves " last 300 meters ", home network solution, the expense that Utilities Electric Co. drops into is few, but the profit that produces is very considerable.
Claims (9)
1. modulation-demodulation device of supporting that power line and Digital Subscriber Line insert is characterized in that: comprising:
Power line communication modulation module is used for the data after the modulation are sent to power line by power line interface, and is used for the data of demodulation from power line;
Digital Subscriber Line modulation module is used for the data after the modulation are sent to telephone wire by telephone line interface, and is used for the data of demodulation from telephone wire;
Data-interface is used for transmission terminal and sends data, and receives from the data after power line communication modulation module and/or the demodulation of Digital Subscriber Line modulation module;
Microprocessor, be used for by sending enabling signal or regularly calling network bandwidth locator(-ter), power line communication modulation module and/or Digital Subscriber Line modulation module access band are enabled in selection, and the transfer of data between control power line communication modulation module and/or Digital Subscriber Line modulation module and the data-interface.
2. the modulation-demodulation device that inserts according to the described support power line of claim 1 and Digital Subscriber Line, it is characterized in that: described power line communication modulation module comprises power line coupling and anti-surge circuit, and this power line coupling and anti-surge circuit are connected with power line interface.
3. the modulation-demodulation device that inserts according to the described support power line of claim 1 and Digital Subscriber Line, it is characterized in that: also comprise data storage, this data storage is connected with microprocessor, power line communication modulation module, Digital Subscriber Line modulation module and data-interface respectively, is used for the data of transmitting between store electricity line of force communication modulation module and/or Digital Subscriber Line modulation module and the data-interface.
4. the modulation-demodulation device that inserts according to the described support power line of claim 1 and Digital Subscriber Line is characterized in that: also comprise demultiplexer, be used for isolating voice signal from the signal that power line and/or telephone wire transmit, and send to communicator.
5. the modulation-demodulation device that inserts according to described support power line of claim 1 and Digital Subscriber Line is characterized in that: also comprise accessory circuit, be used for the signal of enabling of external control component or wireless remote controller input is sent to microprocessor.
6. the modulation-demodulation device that inserts according to the described support power line of claim 5 and Digital Subscriber Line, it is characterized in that: described accessory circuit is controlled the operate outside status indicator lamp according to the operating state of the modulation-demodulation device of this support power line and Digital Subscriber Line access.
7. an implementation method of supporting the modulation-demodulation device that power line and Digital Subscriber Line insert is characterized in that, may further comprise the steps:
(1) user enables signal to the microprocessor input;
(2) microprocessor is by sending enabling signal or regularly calling network bandwidth locator(-ter), power line communication modulation module and/or Digital Subscriber Line modulation module are enabled in selection, and the transfer of data between control power line communication modulation module and/or Digital Subscriber Line modulation module and the data-interface.
8. the implementation method of the modulation-demodulation device that inserts according to the described support power line of claim 7 and Digital Subscriber Line, it is characterized in that: the described microprocessor of step (2) is by sending enabling signal or regularly calling network bandwidth locator(-ter), and power line communication modulation module is enabled in selection and/or Digital Subscriber Line modulation module is:
(21) if the user selects power line communication modulation module access band, then microprocessor sends enabling signal to power line communication modulation module;
(22) as if user-selected number word subscribers feeder modulation module access band, then microprocessor sends enabling signal to Digital Subscriber Line modulation module;
(23) if the user selects to utilize simultaneously power line communication modulation module and Digital Subscriber Line modulation module access band, then microprocessor sends enabling signal to power line communication modulation module and Digital Subscriber Line modulation module;
(24) if the user selects the adaptive wideband access way, then timing microprocessor calls network bandwidth locator(-ter), and is controlled at the access way access band of selecting broader bandwidth in power line communication modulation module and the Digital Subscriber Line modulation module for use.
9. the implementation method of the modulation-demodulation device that inserts according to the described support power line of claim 8 and Digital Subscriber Line, it is characterized in that: described microprocessor is preserved the broadband access method that the user selects.
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| CN2006101386620A CN101179298B (en) | 2006-11-10 | 2006-11-10 | Modem device of supporting power line and digital subscriber line access and implementing method thereof |
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| CN2006101386620A CN101179298B (en) | 2006-11-10 | 2006-11-10 | Modem device of supporting power line and digital subscriber line access and implementing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101902256A (en) * | 2010-07-30 | 2010-12-01 | 广东广联电子科技有限公司 | Communication method based on power line access and network device |
| CN102111189B (en) * | 2011-04-11 | 2013-06-19 | 国家电网公司 | Long-distance high-speed broadband power line communication method |
| CN102142864B (en) * | 2011-04-11 | 2013-12-04 | 国家电网公司 | Broadband communication device for long-distance high-speed power line |
| CN102331735A (en) * | 2011-07-14 | 2012-01-25 | 中山爱科数字家庭产业孵化基地有限公司 | PLC bus control circuit applied to digital home |
| CN103682860A (en) * | 2013-12-12 | 2014-03-26 | 海信集团有限公司 | Socket |
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| CN1491492A (en) * | 2001-12-06 | 2004-04-21 | ������������ʽ���� | Home appliances network |
| EP1530313A1 (en) * | 2003-11-05 | 2005-05-11 | Sony International (Europe) GmbH | Method for adaptation of a PLC or DSL modem using quality data |
| CN1845552A (en) * | 2005-04-07 | 2006-10-11 | 华为技术有限公司 | Power line mode broadband access terminal device and its communication method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1491492A (en) * | 2001-12-06 | 2004-04-21 | ������������ʽ���� | Home appliances network |
| EP1530313A1 (en) * | 2003-11-05 | 2005-05-11 | Sony International (Europe) GmbH | Method for adaptation of a PLC or DSL modem using quality data |
| CN1845552A (en) * | 2005-04-07 | 2006-10-11 | 华为技术有限公司 | Power line mode broadband access terminal device and its communication method |
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