CN102163994B - Power line carrier modem based on TR-069 protocol - Google Patents
Power line carrier modem based on TR-069 protocol Download PDFInfo
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- CN102163994B CN102163994B CN 201110099248 CN201110099248A CN102163994B CN 102163994 B CN102163994 B CN 102163994B CN 201110099248 CN201110099248 CN 201110099248 CN 201110099248 A CN201110099248 A CN 201110099248A CN 102163994 B CN102163994 B CN 102163994B
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Abstract
The invention relates to a power line carrier modem based on a TR-069 protocol, which connects external networks and power lines. The modem comprises a network interface module, a master CPU (central processing unit) controller, a power line coupling unit and an electric current detection unit, wherein the electric current detection unit and the power line coupling unit are connected with power lines and the master CPU controller; the master CPU controller is connected with an external network by the network interface module, the electric current detection unit is used for detecting the electric current and voltage signals on the power lines and transmitting the electric current and the voltage signals to the master CPU controller; the modem is characterized in that the inside of the master CPU controller is provided with a TP-069 protocol module for controlling the network signal transmission between the power line coupling unit and the network interface module. Because the inside of the master CPU controller is provided with a TP-069 protocol module, the secrecy and reliability of data transmission are high.
Description
Technical field
The present invention relates to power carrier broadband connections technical field in the low-pressure chamber, relate in particular to a kind of power carrier modem based on the TR-069 agreement.
Background technology
Current, the telecommunication service that the home network carrying is numerous, in order to guarantee end to end service quality of telecommunication service, telecom operators need to carry out to the numerous equipment that relate in the end-to-end communication coordinating and unifying management, and this wherein just need to accomplish to control and can manage home network device.And on the mode of concrete management, can adopt SNMP, TR069 etc.Wherein TR-069 is one of technical specification by DSL FORUM exploitation, and its full name is " CPE wide area network management agreement ".It has stipulated that home gateway carries out telemanagement general framework and the agreement in when configuration, is used for from network side home gateway being carried out the remote centralized managing special and is based on automatically pre-configuredly, has removed service supplier's CPE configuration burden fully.
PLC(Power Line Communication, power line communication technology), refer to utilize a kind of communication mode of power line the transmission of data and voice signal.This technology is that the high frequency of carrying information is loaded on electric current, and then with the electric wire transmission, the modulator-demodulator of receiving information is separated high frequency again from electric current, and is sent on computer or other communication terminals, transmits with realization information.
PLC utilizes 1.6M to 30M frequency band range signal transmission.When sending, utilize GMSK or OFDM modulation technique that user data is modulated, then transmit at power line; At receiving terminal, through filter modulation signal is leached first, pass through again demodulation, just can obtain former signal of communication.Individual equipment both can modulation signal, again can restituted signal, do not have local side and client minute, plug and play.When the signal of Access Network transmitted to user side, the PLC modulator-demodulator of front end was responsible for modulating the signal on user's the distribution line and is transmitted.User side PLC equipment with the signal demodulation is out passed to user's the equipment such as computer again.Otherwise when the user sent data, the power carrier equipment of user side modulated the signal to first on the power line, and headend gets off to send to exterior I nternet from the demodulation of power line signal again.
In today of cybertimes, Internet of Things more and more receives people's concern.How fast some digital terminal equipments of effective monitoring provide reliability high, safe network control, become the difficult point of current Internet of Things development.
Summary of the invention
For addressing the above problem, the invention provides a kind of safe power carrier modem based on the TR-069 agreement.
In order to achieve the above object, the technical solution used in the present invention is: a kind of power carrier modem based on the TR-069 agreement, connect external network and power line, comprise Network Interface Module, host CPU controller, power line coupling unit, current detecting unit; Described current detecting unit, power line coupling unit are connected with power line, host CPU controller; The host CPU controller is connected with external network by Network Interface Module, and described current detecting unit detects on the power line electric current and voltage signal and passes to the host CPU controller, it is characterized in that:
Establish the TP-069 protocol module in the described host CPU controller, be used for the network signal transmission between control power line coupling unit, Network Interface Module.
Further scheme of the present invention is: described TP-069 protocol module comprises the CPE management agreement.
Advantage of the present invention is: in be set as ripe TP-069 protocol module so that confidentiality in the process of transfer of data, reliability are high.
The present invention will be further described below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is present embodiment circuit module schematic diagram.
Fig. 2 is present embodiment circuit module detailed maps.
Fig. 3 is the protocol stack schematic diagram of present embodiment.
Embodiment
With reference to figure 1, a kind of power carrier modem based on the TR-069 agreement connects external network and power line, comprises Network Interface Module, host CPU controller, power line coupling unit, current detecting unit; Current detecting unit, power line coupling unit are connected with power line, host CPU controller; The host CPU controller is connected with external network by Network Interface Module, current detecting unit detects on the power line electric current and voltage signal and passes to the host CPU controller, establish the TP-069 protocol module in the host CPU controller, be used for the network signal transmission between control power line coupling unit, Network Interface Module.
Such as Fig. 2, AC/DC POWER SUPPLY is power supply, connect 110V/220V AC/DC Switching Power Supply, being output as DC5V, 3.3V and 1.5V is the whole system power supply, comprise signal sending/receiving module (DSS7800), coupling module (Coupling Unit) in the power line coupling unit, Coupling Unit will receive behind the signal coupling on the power line on the one hand, and on the other hand, the signal coupling that DSS7800 is sent is to power line.
Also comprise high pass filter unit (HPF) in the power line coupling unit, after the HPF filtering, be transferred to DSS7800 and process.
(ZCD provides detection signal for CPU to current detecting unit.
Host CPU control unit (DSS9501) is 200M PHY speed, the low pressure configuration.Power line operating such UPA DHS standard, the open power line communication European Studies of OPERA (the Open PLC European Research Alliance(Opera in Europe) alliance) the power line wide-bandwidth standards.Encrypt and adopt programmable 128 AES hardware enciphers, 256 AES hardware enciphers, 3DES hardware encipher.
SDRAM 64Mbit working procedure dynamic memory
FLASH 32Mbit provides the firmware program storages such as Firmware
Config Button arranges configuration button
ETH PHY Ethernet interface administrative unit
ETH TRANSFORMER Ethernet isolating transformer
The LED status indicator lamp.
Network Interface Module comprises Ethernet interface administrative unit (ETH PHY) and Ethernet isolating transformer (ETH TRANSFORMER), the information exchange that ETH PHY comes RJ45 standard network port transmission is crossed the MII interface and is sent to DSS9501 and process, after DSS9501 receives information, the power voltage line state information that provides according to ZCD, information is modulated, output DSS7800 carried out amplification, the filtering processing of signal after modulation was finished, and finished by Coupling Unit and was coupled on the power line.More than be the debugging process of transmitting, the receiving demodulation process is just in time opposite with above flow process.
Such as Fig. 3, TR-069 has defined a common platform of communicating by letter between CPE and the ACS, and the framework of the automatic configuration feature of CPE and other some management functions is provided, and comprising:
O disposes and provides the dynamic service function automatically;
O Software/Firmware image file management function;
O state and performance monitoring function;
O diagnosis and safety function.
ACS is Automatic Configuration Server, is responsible for terminal equipment CPE is managed.Interface between ACS and CPE is southbound interface, and the interface between ACS and management system is northbound interface.The TR069 agreement has mainly defined southbound interface.
When equipment has imported new firmware version, this TR-069 parameter must be configured in the NVRAM the inside so that CPE can intercom mutually with ACS.According to ACS, several call parameters will configure, and not all parameter all is necessary.
These parameters comprise that CPE is connected to parameter and the authentication information of ACS necessity.
When modulator-demodulator has imported all configuration parameters, client will automatic access ACS, then will send all configuration parameters.Next step is to check whether all configurations of access ACS are all successful.
The present invention is not limited only to the protection range shown in above-described embodiment, and all are based on the invention thought of present embodiment, all in protection scope of the present invention.
Claims (1)
1. the power carrier modem based on the TR-069 agreement connects external network and power line, comprises Network Interface Module, host CPU controller, power line coupling unit, current detecting unit; Described current detecting unit, power line coupling unit are connected with power line, host CPU controller; The host CPU controller is connected with external network by Network Interface Module, and described current detecting unit detects on the power line electric current and voltage signal and passes to the host CPU controller, it is characterized in that:
Establish the TP-069 protocol module in the described host CPU controller, be used for the network signal transmission between control power line coupling unit, Network Interface Module;
Comprise signal sending/receiving module, coupling module and high pass filter unit in the power line coupling unit, the signal coupling that coupling module receives after with the signal coupling on the power line and the sending/receiving module is sent is to power line, the signal that coupling module receives is transferred to the sending/receiving module and processes after high pass filter unit filtering;
The host CPU controller is 200M PHY speed, low pressure configuration, comprise working procedure dynamic memory, the 32Mbit of 64Mbit FLASH firmware program memory, configuration button, Ethernet interface administrative unit, Ethernet isolating transformer and status indicator lamp are set;
Network Interface Module comprises Ethernet interface administrative unit and Ethernet isolating transformer;
Described TP-069 protocol module comprises the CPE management agreement, when equipment has imported new firmware version, the TR-069 parameter must be configured in the NVRAM the inside so that CPE can intercom mutually with ACS, described TR-069 parameter comprises that CPE is connected to parameter and the authentication information of ACS necessity, when described power carrier modem has imported all configuration parameters, client will automatic access ACS, then will send all configuration parameters, next step is to check whether all configurations of access ACS are all successful.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110099248 CN102163994B (en) | 2011-04-20 | 2011-04-20 | Power line carrier modem based on TR-069 protocol |
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| CN 201110099248 CN102163994B (en) | 2011-04-20 | 2011-04-20 | Power line carrier modem based on TR-069 protocol |
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| CN102163994A CN102163994A (en) | 2011-08-24 |
| CN102163994B true CN102163994B (en) | 2013-10-30 |
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| CN102694578B (en) * | 2012-05-21 | 2015-10-28 | 成都立鑫新技术科技有限公司 | The divulge a secret signal generator of blocking-up and the method for composite signal thereof is prevented for power line |
| CN103607223A (en) * | 2013-11-29 | 2014-02-26 | 国家电网公司 | Embedded type broadband power line carrier communication system based on OFDM modulation |
| CN103634029B (en) * | 2013-11-29 | 2015-11-25 | 国家电网公司 | Be applicable to broadband power line carrier system and the network-building method of intelligent substation communication |
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| US8351427B2 (en) * | 2006-12-28 | 2013-01-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Home gateway device for providing multiple services to customer devices |
| WO2009127734A1 (en) * | 2008-04-18 | 2009-10-22 | Thomson Licensing | Network apparatus and controlling method therefore |
| CN201332299Y (en) * | 2009-01-16 | 2009-10-21 | 江苏联宏自动化系统工程有限公司 | Single-phase multifunctional electric power monitoring apparatus |
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Address after: Hangzhou City, Zhejiang Province, Binjiang District 310000 (pro) East Road No. 1805 Building 2 layer five Patentee after: ZHEJIANG NEW ZAILING TECHNOLOGY CO., LTD. Address before: Hangzhou City, Zhejiang province Binjiang District 310052 River Street East Road No. 1810 building 3 layer 3 Patentee before: Hangzhou Zailing Electronic Technology Co., Ltd. |
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Application publication date: 20110824 Assignee: Nanjing Xianzhi rering Intelligent Technology Co., Ltd Assignor: ZHEJIANG XINZAILING TECHNOLOGY Co.,Ltd. Contract record no.: X2020980000656 Denomination of invention: Power line carrier modem based on TR-069 protocol Granted publication date: 20131030 License type: Common License Record date: 20200312 |
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