CN201015209Y - Wireless mobile digital television signal receiver - Google Patents
Wireless mobile digital television signal receiver Download PDFInfo
- Publication number
- CN201015209Y CN201015209Y CNU2007201181669U CN200720118166U CN201015209Y CN 201015209 Y CN201015209 Y CN 201015209Y CN U2007201181669 U CNU2007201181669 U CN U2007201181669U CN 200720118166 U CN200720118166 U CN 200720118166U CN 201015209 Y CN201015209 Y CN 201015209Y
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- mobile digital
- wireless mobile
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- signals receiver
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Abstract
A wireless movable digital television signal receiver relates to a wireless data receiving device, in particular to a receiving device of the wireless movable digital television, and comprises an antenna assembly 1 for receiving signal, a tuner 2 for realizing the radio frequency signal receiving, a decoder 3 for movable digital television channel decoding and an interface device 4 for transmitting the data from the receiver to a portable terminal with video decoding function. The digital video decoding mobile terminal device can have multiple standard functions of the v movable digital television.
Description
Technical field
The utility model relates to the wireless data receiving system, particularly the receiving system of wireless mobile digital TV.
Background technology
Under the digital television application tide have swept the globe this overall background, International Standards Organization, scheme supplier, operator, system manufacturer etc. were from interests separately, all in the expansion of actively promoting the new service of mobile TV.Mobile TV has been realized people's hope of received television signal whenever and wherever possible, is the product that has the sign meaning personal consumption epoch.But the development of mobile TV is not plain sailing.At present, the standard confusion that causes of various criterion, content delivery shortcoming that operator's interests contention causes, at present reception technique power consumption, expensive or the like all be that it has flourishly brought many obstructions.
Just technology should be used for seeing that the load mode to mobile TV terminal of video flowing mainly contains two kinds at present: utilize television network broadcast or utilize cellular mobile network.China Mobile and two big telecom operators of CHINAUNICOM on the basis of GPRS and CDMA 1X network, provide the mobile TV service by stream media technology already, but but there are shortcoming such as concurrent user's quantity is limited, result of broadcast can't guarantee in this mode.Correlation test shows that the transmission rate of GPRS network is influenced by data channel, its maximum transmission rate is about 172kbps in theory, with T-DMB be representative broadcasting the typical rate that can provide then can reach 380kbps, both transmission qualities can't be compared at all.Though 3G network has improved speed in addition, but the cellular network actual bandwidth depends on the interior terminal use's in sub-district (cell) bandwidth consumption, unless open up special data channel, TV service must with other data share of bandwidth, be easy to cause network blockage like this.For broadcast technology, the covering power of base station is stronger, does not have the restriction of user's bottleneck.Mobile TV technology based on the received terrestrial digital broadcasting net has more attraction than cellular network technologies, and is in fact also fierce around its standard battle.The main broadcast standard in the whole world comprises DVB-H, the T-DMB of Korea S, ISDB-T, the MediaFLO of QualCom and the DMB-TH of Chinese up-to-date appearance and the STiMi of Japan in Europe at present.
The standard that appears, the puzzlement that brings Terminal Design.People do not expect that a carry-on television receive terminal can only only adapt to the standard in a place local a use; And people do not wish with a receiving terminal activity everywhere full standard, large volume, high power consumption yet simultaneously.
Summary of the invention
The purpose of this utility model is to provide a kind of receiver that receives wireless digital TV-set on the portable terminal device with video decode function.
The purpose of this utility model can realize like this, designs a kind of wireless mobile digital TV signals receiver, and comprising: antenna assembly is used for received signal; Tuner is used to realize that radiofrequency signal receives; Decoder is used for the mobile digital TV channel-decoding; Interface arrangement is used to realize that data are sent to the portable terminal device with video decode function by receiver.
The mobile terminal device that the utility model enables to carry out decoding digital video possesses the function of the mobile digital TV of the multiple standards of watching.
Description of drawings
Fig. 1 is the system configuration schematic diagram of one of the utility model preferred embodiment.
Fig. 2 is two a system configuration schematic diagram of the utility model preferred embodiment.
Embodiment
The utility model will be further described below in conjunction with embodiment.
As shown in Figure 1, a kind of wireless mobile digital TV signals receiver, comprising: antenna assembly 1 is used for received signal; Tuner 2 is used to realize that radiofrequency signal receives; Decoder 3 is used for the mobile digital TV channel-decoding; Interface arrangement 4 is used to realize that data are sent to the portable terminal device with video decode function by receiver.
The mobile portable terminal device that can realize video decode has a lot, and for example at present high-end personal multimedia player (PMP), high-grade PDA(Personal Digital Assistant) and portable computer (PortablePC) or the like all have the video decode playing function.Cooperate this portable video player, only need add that the utility model can realize that wireless digital TV-set receives.
Also comprise driver module 5, be installed on the portable video decoding terminal.
Receiving card can have the design of single standard or many standards.As shown in Figure 1, single standard, each receiving card is only supported a kind of mobile TV standard, only has a kind of output interface, as only selecting a kind of among USB, SDIO, SPI, the I2S; The user can choose the receiving card of buying multiple various criterion, receives with the many standards that realize own mobile TV terminal.The receiving card cost of this single standard is low, makes simply, can go on the market soon.
Antenna has different designs at different mobile TV standards, mainly is that working band is different with bandwidth.Tuned radio-frequency 2 is at a kind of standard with channel demodulation 3, a kind of such as among DVB-T, DVB-TH, T-DMB, S-DMB, DMB-TH, MediaFLO, STiMi, the ISDB-T.
Interface circuit and power supply 4 only provide a kind of interface, a kind of such as among USB, SDIO, SPI, the I2S, and also from the interface input, power supply is generally directly provided by the portable video decoding terminal power supply of whole card in addition.
Driver 5, being installed in can have on interface and the portable video decoding terminal that this receiving card links to each other, driver is finished the active configuration to receiving card after this receiving card powers on, and matches with the video decode playout software of portable video decoding terminal, finishes the reception and the broadcast of mobile TV.
As shown in Figure 2, many standards, receiving card that simultaneously can compatible multiple mobile TV standard is in order to adapt to different video decode terminals, on this card even done several different output interfaces.This card has application surface more widely.
Described antenna assembly 1 comprises the portable antenna 11 of different frequency range and the antenna mounting device 12 that is connected with portable antenna.Described antenna mounting device 12 is the antenna clamping device.Because different mobile TV standards is used different radio frequency bands, so need such device to change the antenna of different frequency range easily.
Described decoder 3 comprises at least 1 channel decoding chip, the quantity of channel decoding chip and handover television reception conformance to standard.Described decoder 3 comprises the decoding chip that has DSP.Multi-standard channel decoder 22 can be made up of the channel decoding chip of a plurality of support various criterions, also can adopt the mode of DSP, realizes the multi-standard channel decoding with the mode of software arrangements.
Described tuner 2 is the wideband tunable device of band rf agc amplifier.The wideband tunable device 2 of many standards is tuning circuits of a plurality of mobile TV standards of support of band radio frequency (RF) automatic gain wide-band applications of amplifying.
Described interface arrangement 4 comprises USB, SDIO, SPI, I2S one of them or wherein two or all.
USB interface 41, with the video transmission stream after the channel-decoding, by the USB channel transfer to the portable video decoding terminal.This stream video transmission stream can be a MPEG TS mode, also can be based on the Streaming Media mode of IP.
SDIO interface 42, with the video transmission stream after the channel-decoding, by the SDIO channel transfer to the portable video decoding terminal.This stream video transmission stream can be a MPEG TS mode, also can be based on the Streaming Media mode of IP.
SPI interface 43, with the video transmission stream after the channel-decoding, by the SPI channel transfer to the portable video decoding terminal.This stream video transmission stream can be a MPEG TS mode, also can be based on the Streaming Media mode of IP.
Driver 5, being installed in can have on interface and the portable video decoding terminal that this receiving card links to each other, driver is finished the active configuration to receiving card after this receiving card powers on, and matches with the video decode playout software of portable video decoding terminal, finishes the reception and the broadcast of mobile TV.Driver comprises control to antenna amplifier antennafire and tuner to the active configuration of receiving card, and the configuration of demodulator, and this demodulation configurations method can dispose based on DSP, also can be the setting of multiple channel demodulation Scheme Selection.
In the utility model when work, be inserted into the utility model on the portable video decoding terminal, and the power supply that the portable video decoding terminal is provided by interface 5 is delivered to other unit of receiver.Receiver sends the wait configuration signal to the portable video decoding terminal, is contained in driver on the portable video decoding terminal according to the standard of selecting, and receiver is configured.After finishing configuration, receiver can be accepted the channel selection of portable video decoding terminal, operational orders such as video flowing filtration.
The tuner 2 of receiver amplifies the radiofrequency signal that antenna 1 induction comes, the line frequency of going forward side by side is moved processing, output intermediate-freuqncy signal to channel decoder 3, channel decoder 3 is through analog-to-digital conversion, and carry out the transmission of corresponding channel digital demodulation process output video and flow to interface circuit 4, interface circuit 4 with video flowing again by the signal form packing of relevant interface standard code and be sent to the portable video decoding terminal.In the portable video decoding terminal, driver 5 by interface with dynamic image distribution to the playing program of portable video decoding terminal, and the configuration order of playing program turned back to receiver.
Claims (8)
1. wireless mobile digital TV signals receiver is characterized in that comprising:
Antenna assembly (1) is used for received signal;
Tuner (2) is used to realize that radiofrequency signal receives;
Decoder (3) is used for the mobile digital TV channel-decoding;
Interface arrangement (4) is used to realize that data are sent to the portable terminal device with video decode function by receiver.
2. wireless mobile digital TV signals receiver according to claim 1 is characterized in that: also comprise driver module (5), be installed on the portable video decoding terminal.
3. wireless mobile digital TV signals receiver according to claim 1 is characterized in that: described antenna assembly (1) comprises the portable antenna (11) and the antenna mounting device that is connected with portable antenna (12) of different frequency range.
4. wireless mobile digital TV signals receiver according to claim 3 is characterized in that: described antenna mounting device (12) is the antenna clamping device.
5. wireless mobile digital TV signals receiver according to claim 1 is characterized in that: described decoder (3) comprises at least 1 channel decoding chip, the quantity of channel decoding chip and handover television reception conformance to standard.
6. wireless mobile digital TV signals receiver according to claim 1 is characterized in that: described decoder (3) comprises the decoding chip that has DSP.
7. wireless mobile digital TV signals receiver according to claim 1 is characterized in that: described interface arrangement (4) comprises USB, SDIO, SPI, I2S one of them or wherein two or all.
8. wireless mobile digital TV signals receiver according to claim 1 is characterized in that: described tuner (2) is the wideband tunable device of band rf agc amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201181669U CN201015209Y (en) | 2007-01-24 | 2007-01-24 | Wireless mobile digital television signal receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201181669U CN201015209Y (en) | 2007-01-24 | 2007-01-24 | Wireless mobile digital television signal receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201015209Y true CN201015209Y (en) | 2008-01-30 |
Family
ID=39027005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201181669U Expired - Fee Related CN201015209Y (en) | 2007-01-24 | 2007-01-24 | Wireless mobile digital television signal receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201015209Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801940A (en) * | 2011-05-25 | 2012-11-28 | 恒原百炼微电子科技(北京)有限公司 | Device for receiving high-definition videos by television in wireless broadband manner |
-
2007
- 2007-01-24 CN CNU2007201181669U patent/CN201015209Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801940A (en) * | 2011-05-25 | 2012-11-28 | 恒原百炼微电子科技(北京)有限公司 | Device for receiving high-definition videos by television in wireless broadband manner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080130 Termination date: 20150124 |
|
| EXPY | Termination of patent right or utility model |