CN103139552A - Data penetrating transmitting system used in satellite television receiving device - Google Patents
Data penetrating transmitting system used in satellite television receiving device Download PDFInfo
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- CN103139552A CN103139552A CN2013100847808A CN201310084780A CN103139552A CN 103139552 A CN103139552 A CN 103139552A CN 2013100847808 A CN2013100847808 A CN 2013100847808A CN 201310084780 A CN201310084780 A CN 201310084780A CN 103139552 A CN103139552 A CN 103139552A
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Abstract
The invention provides a data penetrating transmitting system used in a satellite television receiving device. The data penetrating transmitting system used in the satellite television receiving device comprises a digital microwave outdoor unit ((ODU) and a digital microwave indoor unit (IDU). The digital microwave ODU is connected with a low noise block (LNB). Data interaction is completed by the digital microwave ODU. The digital microwave IDU is connected with a set top box. Data interaction is completed by the digital microwave IDU. The digital microwave IDU is connected with the digital microwave ODU through a television (TV) cable. The digital microwave IDU comprises a LNB power source, a signal controlling unit and a first wireless fidelity (WIFI) module. The digital microwave ODU comprises a local thermodynamic equilibrium (LTE) module and a second WIFI module. The first WIFI module is connected with the second WIFI module through the TV cable. The data penetrating transmitting system used in the satellite television receiving device is low in construction difficulty, low in integration cost, high in use stability and reliability and beneficial to reducing infrastructure investment. Network management is simplified. Maintenance cost is reduced. Good service and value-added service are provided for a terminal user.
Description
Technical field
The present invention relates to a kind of data penetration transmission system that is applied to satellite television receiving equipment.
Background technology
Many nets merge at present, it is that General Bureau of Radio, Film and Television and each large aerogram operator further cooperate that inter-network merges, the focus of resource optimization, that radio telecommunication network, broadcasting and television network, this three macroreticular of the Internet are by the inexorable trend of technological transformation to panorama of future generation the Internet evolution, network interconnection intercommunication, resource-sharing, the many services such as voice, data and radio and television can be provided for the user, form the general layout that you are part of me, I am part of you.
The weak area of at present mostly capital construction or outlyingly be unfavorable for that wired pipeline area of arranging all uses the mode of " direct broadcasting satellite----DVB-S (ETS300421) digital broadcasting satellite system standard " under the layout of broadcasting and TV, TV signal directly by satellite from being sent to the family in the air, needn't again through wired pipe network transmission of earth station, for providing high-quality, users serve easily.
These regional users face identical predicament in the demand for the Internet simultaneously, be traditional ADSL, the Wired access modes such as optical fiber can't be implemented, also can only rely on the mode of wireless access to carry out data, services, and the signal that these areas also are faced with aerogram operator covers relatively poor, more be difficult to guarantee in indoor signal covering, can't be in the reliable and stable data, services of indoor acquisition.
Summary of the invention
The object of the invention is to solve problems of the prior art, providing a kind of utilizes the TV cable that satellite television receiving equipment had originally been laid to carry out power supply transmission and transfer of data, and can reach lower difficulty of construction, lower integrated cost, the data penetration transmission system that is applied to satellite television receiving equipment of very high stability in use and reliability.
The present invention is achieved in that a kind of data penetration transmission system that is applied to satellite television receiving equipment, it is characterized in that: comprise the digital microwave outdoor unit ODU that completes data interaction for being connected with the LNB tuner, be used for the digital microwave indoor unit IDU that is connected with set-top box and completes data interaction, described digital microwave indoor unit IDU passes through the TV cable and is connected with described digital microwave outdoor unit ODU; Described digital microwave indoor unit IDU comprises LNB power supply and signaling control unit, a WIFI module, and described digital microwave outdoor unit ODU comprises LTE module, the 2nd WIFI module; A described WIFI module is connected with described the 2nd WIFI module by described TV cable.
LNB power supply and signaling control unit in described digital microwave indoor unit IDU comprise boost pressure controller, voltage comparator, zero passage voltage comparator, and described boost pressure controller is connected with described voltage comparator, zero passage voltage comparator respectively.
LTE module in described digital microwave outdoor unit ODU is carried out network data exchange by wireless mode and aerogram base station, and the network data of mutual gained is sent to the WIFI module of described digital microwave indoor unit IDU via the TV cable by described the 2nd WIFI module, a described WIFI module forms wireless network access focus after receiving from the network data of aerogram base station; Described set-top box sends the satellite TV signal data by the TV cable to digital microwave indoor unit IDU, by a WIFI module, described satellite TV signal data are sent to described LNB power supply and signaling control unit, the processing that described LNB power supply and signaling control unit compare, regenerate and reduce receiving the satellite TV signal data, and the satellite TV signal data after processing are sent to described LNB tuner after via digital microwave outdoor unit ODU.
comprise the TV intermediate-freuqncy signal in the satellite TV signal data that described TV cable transmits, dc power signal, three kinds of signals of DiSEqC signal, after described LNB power supply and signaling control unit receive the data of described set-top box, by described voltage comparator, dc power signal is judged and determines the magnitude of voltage of this dc power signal, and with the magnitude of voltage of this dc power signal as target voltage values, then the power values with digital microwave indoor unit IDU self boosts to target voltage values by described boost pressure controller, be described digital microwave outdoor unit ODU and LNB supplying power for tuner, simultaneously, be the TTL signal by described zero passage voltage comparator with the waveform transformation of described DiSEqC signal, and described TTL signal loading is transferred to described LNB tuner via digital microwave outdoor unit ODU in described dc power signal.Wherein said DiSEqC signal is the digital satellite equipment control signal.
Be connected by USB interface between described LTE module and described the 2nd WIFI module and carry out data interaction.
the present invention is on the basis of existing digital microwave outdoor unit ODU and digital microwave indoor unit IDU, make improvements, and the digital microwave outdoor unit ODU after improving and digital microwave indoor unit IDU are applied in the receiving system of existing satellite television receiving equipment, in the situation that do not change existing satellite television receiving equipment, realized intercommunication with the aerogram base station by digital microwave outdoor unit ODU and digital microwave indoor unit IDU, make the present invention have on the basis of satellite television receiving function, digital microwave indoor unit IDU has been increased the data, services function of getting online without being tethered to a cable as wireless router.
The invention has the beneficial effects as follows: the mode with initiative is integrated two systems' (being satellite television receiving system and WIFI radio system) of overlapping dereferenceds.Particularly simplify difficulty of construction, reduced integrated cost, and guaranteed the stable and reliability of use.The present invention utilizes limited existing resource (the satellite television receiving equipment system that has namely constructed), at the outdoor digital microwave outdoor unit ODU equipment that sets up, with LTE wireless communication mode connection aerogram base station, again by ready-made TV cable transmission to indoor digital microwave indoor unit IDU equipment, carry out data retransmission by digital microwave indoor unit IDU by the wireless mode of WIFI.The present invention has broken telecom operators and the long-term competitive relation of radio and TV operator, then the relation of the cooperation that coexists; Be conducive to greatly reduce capital construction and drop into, and the simplified network management, maintenance cost reduced, for the terminal use provides better service and value-added service.
Description of drawings
Fig. 1 is the present invention and LNB tuner, frame structure schematic diagram when set-top box is connected.
Fig. 2 is the workflow diagram of digital microwave indoor unit IDU of the present invention.
Embodiment
According to Fig. 1 ~ Fig. 2, the present invention includes the digital microwave outdoor unit ODU that completes data interaction for being connected with the LNB tuner, be used for the digital microwave indoor unit IDU that is connected with set-top box and completes data interaction, described LNB tuner, digital microwave outdoor unit ODU, digital microwave indoor unit IDU, set-top box are connected by the TV cable successively.Described digital microwave indoor unit IDU comprises LNB power supply and signaling control unit, a WIFI module, be connected with the first coupler on a described WIFI module, a described WIFI module is RF-coupled on described TV cable with the 2.4G of a WIFI module by the first coupler; Described digital microwave outdoor unit ODU comprises LTE module, the 2nd WIFI module, is connected with the second coupler on described the 2nd WIFI module, and described the 2nd WIFI module is RF-coupled on the TV cable with the 2.4G of the 2nd WIFI module by the second coupler; A described WIFI module is connected with described the 2nd WIFI module by described TV cable.Be connected by USB interface between described LTE module and described the 2nd WIFI module and carry out data interaction.LNB power supply in described digital microwave indoor unit IDU and signaling control unit comprise boost pressure controller, voltage comparator, the zero passage voltage comparator that is connected with a WIFI module respectively, and described boost pressure controller is connected with described voltage comparator, zero passage voltage comparator respectively.
LTE module in described digital microwave outdoor unit ODU is carried out network data exchange with the aerogram base station wirelessly by built-in aerial, and the network data of mutual gained is sent to the WIFI module of described digital microwave indoor unit IDU via the TV cable by described the 2nd WIFI module, a described WIFI module forms wireless network access focus after receiving from the network data of aerogram base station, this moment, digital microwave indoor unit IDU can be used as the wireless router use.Described set-top box sends the satellite TV signal data by the TV cable to digital microwave indoor unit IDU, by a WIFI module, described satellite TV signal data are sent to described LNB power supply and signaling control unit, the processing that described LNB power supply and signaling control unit compare, regenerate and reduce the satellite TV signal data from described set-top box that receive, and the satellite TV signal data after processing are sent to the LNB tuner by the TV cable through digital microwave outdoor unit ODU.
The below is further elaborated the course of work of the present invention in conjunction with Fig. 1 according to figure.
Comprise TV intermediate-freuqncy signal, dc power signal, three kinds of signals of DiSEqC signal in the satellite TV signal data that described TV cable transmits, wherein said iSEqC signal has been modulated on described dc power signal, these three kinds of signals are interaction data contents of set-top box and LNB tuner, it is the necessary condition of guaranteeing the normal operation of satellite television receiving equipment system, therefore primary and foremost purpose of the present invention is reception and the reduction of completing these three kinds of signals, to guarantee the normal operation of satellite television receiving equipment system.In existing standard, described TV intermediate-freuqncy signal is 950-2150MHz, and described dc power signal is the magnitude of voltage of 13V or 18V, and described DiSEqC signal is 22KHz.The power supply that described digital microwave indoor unit IDU itself uses is the 12V supply voltage.
after the LNB power supply of described digital microwave indoor unit IDU and signaling control unit receive data from described set-top box, by described voltage comparator, dc power signal is judged and determines the magnitude of voltage (existing standard be in 13V or 18V a kind of) of this dc power signal, and with the magnitude of voltage of this dc power signal as target voltage values, then the 12V power values with digital microwave indoor unit IDU self boosts to target voltage values by described boost pressure controller, be output as described digital microwave outdoor unit ODU and LNB supplying power for tuner by the TV cable, simultaneously, by described zero passage voltage comparator, the synchronous waveform of the DiSEqC signal of described 22KHz is converted to the waveform of the TTL signal of 22KHz, and described TTL signal loading is transferred to described LNB tuner in described dc power signal.So far three kinds of signals in the TV cable through digital microwave indoor unit IDU detecting, comparison, regeneration after, exported to rear class by full backup.Wherein said DiSEqC signal is the digital satellite equipment control signal.
Claims (5)
1. data penetration transmission system that is applied to satellite television receiving equipment, it is characterized in that: comprise the digital microwave outdoor unit ODU that completes data interaction for being connected with the LNB tuner, be used for the digital microwave indoor unit IDU that is connected with set-top box and completes data interaction, described digital microwave indoor unit IDU passes through the TV cable and is connected with described digital microwave outdoor unit ODU; Described digital microwave indoor unit IDU comprises LNB power supply and signaling control unit, a WIFI module, and described digital microwave outdoor unit ODU comprises LTE module, the 2nd WIFI module; A described WIFI module is connected with described the 2nd WIFI module by described TV cable.
2. the described data penetration transmission system that is applied to satellite television receiving equipment according to claim 1, it is characterized in that: LNB power supply and signaling control unit in described digital microwave indoor unit IDU comprise boost pressure controller, voltage comparator, zero passage voltage comparator, and described boost pressure controller is connected with described voltage comparator, zero passage voltage comparator respectively.
3. according to claim 1 or 2 described data penetration transmission systems that are applied to satellite television receiving equipment, it is characterized in that: the LTE module in described digital microwave outdoor unit ODU is carried out network data exchange by wireless mode and aerogram base station, and the network data of mutual gained is sent to the WIFI module of described digital microwave indoor unit IDU via the TV cable by described the 2nd WIFI module, a described WIFI module forms wireless network access focus after receiving from the network data of aerogram base station; Described set-top box sends the satellite TV signal data by the TV cable to digital microwave indoor unit IDU, by a WIFI module, described satellite TV signal data are sent to described LNB power supply and signaling control unit, the processing that described LNB power supply and signaling control unit compare, regenerate and reduce receiving the satellite TV signal data, and the satellite TV signal data after processing are sent to described LNB tuner after via digital microwave outdoor unit ODU.
4. the data penetration transmission system that is applied to satellite television receiving equipment according to claim 3, it is characterized in that: comprise the TV intermediate-freuqncy signal in the satellite TV signal data that described TV cable transmits, dc power signal, three kinds of signals of DiSEqC signal, after described LNB power supply and signaling control unit receive the data of described set-top box, by described voltage comparator, dc power signal is judged and determines the magnitude of voltage of this dc power signal, and with the magnitude of voltage of this dc power signal as target voltage values, then the power values with digital microwave indoor unit IDU self boosts to target voltage values by described boost pressure controller, be described digital microwave outdoor unit ODU and LNB supplying power for tuner, simultaneously, be the TTL signal by described zero passage voltage comparator with the waveform transformation of described DiSEqC signal, and described TTL signal loading is transferred to described LNB tuner via digital microwave outdoor unit ODU in described dc power signal.
5. the described data penetration transmission system that is applied to satellite television receiving equipment according to claim 1 is characterized in that: be connected by USB interface between described LTE module and described the 2nd WIFI module and carry out data interaction.
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| CN2013100847808A CN103139552A (en) | 2013-03-18 | 2013-03-18 | Data penetrating transmitting system used in satellite television receiving device |
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| CN2013100847808A CN103139552A (en) | 2013-03-18 | 2013-03-18 | Data penetrating transmitting system used in satellite television receiving device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106060678A (en) * | 2016-02-18 | 2016-10-26 | 泰斗微电子科技有限公司 | Direct-broadcast satellite television broadcast receiving system LNB (Low Noise Block) module and satellite television set top box |
| CN108736916A (en) * | 2017-04-17 | 2018-11-02 | 东莞百电子有限公司 | A kind of novel high-frequency head and wireless LTE integration systems |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101242483A (en) * | 2007-02-08 | 2008-08-13 | 黄金富 | Multi-purpose TV STB system with intelligent home system |
| CN101868055A (en) * | 2010-05-31 | 2010-10-20 | 华为技术有限公司 | Wireless base station |
-
2013
- 2013-03-18 CN CN2013100847808A patent/CN103139552A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101242483A (en) * | 2007-02-08 | 2008-08-13 | 黄金富 | Multi-purpose TV STB system with intelligent home system |
| CN101868055A (en) * | 2010-05-31 | 2010-10-20 | 华为技术有限公司 | Wireless base station |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106060678A (en) * | 2016-02-18 | 2016-10-26 | 泰斗微电子科技有限公司 | Direct-broadcast satellite television broadcast receiving system LNB (Low Noise Block) module and satellite television set top box |
| CN108736916A (en) * | 2017-04-17 | 2018-11-02 | 东莞百电子有限公司 | A kind of novel high-frequency head and wireless LTE integration systems |
| CN108736916B (en) * | 2017-04-17 | 2024-04-23 | 东莞百一电子有限公司 | Novel tuner and wireless LTE integration system |
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Application publication date: 20130605 |