CN101267509A - A bluetooth TV receiving device and its method - Google Patents
A bluetooth TV receiving device and its method Download PDFInfo
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- CN101267509A CN101267509A CNA2008100253071A CN200810025307A CN101267509A CN 101267509 A CN101267509 A CN 101267509A CN A2008100253071 A CNA2008100253071 A CN A2008100253071A CN 200810025307 A CN200810025307 A CN 200810025307A CN 101267509 A CN101267509 A CN 101267509A
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Abstract
The invention relates to a Bluetooth television receiving device, comprising a television receiving unit 101, a Bluetooth communication unit 102 and a control unit 103. The television receiving unit 101 is used for receiving the radio frequency television signals of a broadcast system, demodulating and de-multiplexing to obtain television program signals; the Bluetooth communication unit 102 is responsible for connecting with other Bluetooth equipments and authenticating, and sending television program signals received from the television receiving unit; the control unit 103 is used for configuring the working parameters of the television receiving unit and the Bluetooth communication unit, as well as processing upper layer protocols. The Bluetooth television receiving device can be integrated with a Bluetooth mobile phone or other Bluetooth equipments for watching television programs, in no need of updating the mobile phone, so that the cost of using television programs is reduced, thus to promote the development of mobile phone television and multimedia broadcast network.
Description
Technical field
The invention belongs to mobile TV and Bluetooth technology field, particularly bluetooth TV receiving device and method.
Background technology
Bluetooth technology has defined the physical media and the communication protocol of radio communication between the portable set.Bluetooth is not only a kind of simple wireless connections, but a whole set of is about in particular range, between the different portable sets interconnected and identification agreement.
International bluetooth is organized in released bluetooth specification 1.0 versions on July 26th, 1999.The system configuration of Bluetooth technology is divided into three parts: bottom hardware module, intermediate protocol layer and higher layer applications.Bottom hardware partly comprises wireless frequency hopping, base band and link management.The microwave of the ISM band that wireless frequency hopping layer need not to authorize by 2.4GHz is realized the filtration and the transmission of data bit stream, and this layer protocol has mainly defined bluetooth transceiver in the required satisfied condition of this frequency band operate as normal.Base band is responsible for the transmission of frequency hopping and blue-teeth data and information frame.Link management is responsible for connecting, setting up and remove link and carry out security control.
Bluetooth technology combines the characteristics of circuit switching and packet switching, can carry out asynchronous data communication, can support nearly 3 synchronous voice channels of carrying out simultaneously, can also use a channel to transmit asynchronous data and synchronous speech simultaneously.Each voice channel is supported the 64kb/ synchronous voice link of second.Asynchronous channel can support that an end maximum rate is that 721kb/ second, other end speed are the 57.6kb/ asymmetric connection of second, also can support the symmetry of 43.2kb/ second to connect.
Intermediate protocol layer comprises logic link control and adapts to agreement, service discovery protocol, serial ports simulation protocol and telephone communication agreement.Logic link control and adaptation agreement have the function of finishing data dismounting, control service quality and multiplex protocol, and this layer protocol is the basis that other each layer protocol is realized.The service discovery protocol layer is found service available in the network and characteristic thereof for upper level applications provides a kind of mechanism.Serial ports simulation protocol layer has the function of emulation 9 pin RS232 serial ports.The telephone communication protocol layer then provides the calling control command of speech and data between bluetooth equipment.
HCI layer (HCI) is the interface between the software and hardware in the Bluetooth protocol, and it provides a unity of command interface that calls hardware such as base band, link management, state and control register.When communicating between the bluetooth equipment, the above protocol software entity of HCI moves on main frame, and the following function of HCI is finished by bluetooth equipment, by one the transparent transport layer in two ends is carried out alternately between the two.
Topmost at bluetooth protocol repertory is various higher layer applications frameworks.Dial-up Network, earphone, local area network (LAN) visit, file transfer etc. are wherein more typically arranged, and they are corresponding a kind of application model respectively.Various application programs can realize radio communication by each self-corresponding application model.Dial-up Network is used can be by emulation serial ports visit piconet (Piconet), and data equipment also can insert traditional local area network (LAN) thus; The user can realize the wireless transmission of audio stream by the layer of the audio frequency (Audio) in the protocol stack in mobile phone and earplug; Without any need for line, just can carry out file transfer and shared information fast, neatly between many PC PC or the notebook computer, multiple devices also can be realized simultaneous operation thus.
Whole Bluetooth protocol is simple in structure, use retransmission mechanism to guarantee the reliability of link, the multiple security mechanism of practicable classification also in base band, link management and application layer, and can eliminate in the network environment interference from other wireless device by frequency hopping.
The range of application of Bluetooth technology is quite extensive, can be widely used in Various types of data and speech ciphering equipment in the LAN, as PC, Dial-up Network, notebook computer, printer, facsimile machine, digital camera, mobile phone and high-quality earphone etc., the wireless communication mode of bluetooth is linked to be a piconet (Piconet) with the said equipment, also can connect between a plurality of piconets, thereby realize communicating whenever and wherever possible between the various kinds of equipment.The typical environment of applying Bluetooth has the automatic control of wireless working environment, auto industry, information household appliances, Medical Devices and school eduaction and factory etc.
Same mobile TV technology also is a most popular present medium technique, by mobile phone terminal, under the situation of high-speed mobile, can watch TV programme.Mobile TV is thought one of most promising multimedia service by a lot of people.An external prediction shows that to the whole world in 2010 1.2 hundred million mobile phone television users will be arranged, the number of users of China also will be near 4,000 ten thousand.Undoubtedly mobile TV will become emerging communications media, because the particularity of its terminal, both can playing audio-video, and again can videotex information; Both can play in real time, again certain memory function can be arranged, and possess mutual function.We can say the feature of all medium up to now that it is integrated.The more important thing is that terminal lightly can move, whenever where, the user can obtain service easily.
The realization technology of mobile TV is summarized can be divided into three types.
(1) based on mobile network's realization technology
Transmitting TV programme by the mobile network is to adopt the mode of mobile flow medium to realize at first.For example China Mobile and CHINAUNICOM all respectively based on its GPRS network and CDMA 1X network and 3G experimental network, utilize the mobile flow medium technology to release mobile phone TV services.In fact, the both releases it as a kind of mobile data services, and the mode of its realization is also identical substantially.Though people's demand has been satisfied in this mobile phone TV services that realize by traditional mobile flow medium mode to a certain extent well, but also have a lot of aspects not fully up to expectations, for example: the network bandwidth is limited, cause that result of broadcast is not really stable, concurrent user number is limited, the charge is more high.
(2) based on the realization technology of multimedia broadcasting net
This type of realization technology mainly produces at multimedia broadcast television, and the frequency of use is generally the radio and television frequency range.For adapting to the characteristics of portable terminal, exploitation becomes China mobile multi-media broadcasting technology, and typical technology comprises the mobile TV technology CMMB of mobile TV technology ISDB-T, China of mobile TV technology T-DMB, the Japan of mobile TV technology MediaFLO, the Korea S of mobile TV technology DVB-H, the QualCom in Europe and TMMB etc.
(3) satellite-based realization technology
The essence of this class technology is exactly that downlink transfer is provided via satellite, realizes the mobile phone TV services of broadcast mode, and the user just can realize the reception of multi-medium data by the module of integrated direct receiving satellite signal on mobile phone terminal.Typical technology comprises the mobile TV technology S-DVB in Europe and the mobile TV technology S-DMB of Japan and Korea S etc.
But for the cellphone subscriber, no matter adopt which kind of above-mentioned type of technology to realize the broadcasting of mobile TV, the user wants to need the mobile phone that renews by the mobile phone TV reception, just to buy mobile phone TV terminal and could enjoy mobile phone TV services, could use mobile phone received television program anywhere or anytime.The cost of changing planes for most cellphone subscriber is very high, to cause the operator of mobile TV to be difficult to the ownership, can not produce scale and benefit, can't guarantee good running income, the development of the mobile TV of Korea S is exactly best illustration, operator enters into the edge of bankruptcy because the number of users slower development is huge loss in 2007.Therefore need a kind of device can allow the cellphone subscriber use existing mobile phone just can teleview, and the cost of this device is relatively low, bluetooth TV receiving device of the present invention just can address this problem, and can allow the bluetooth cellular phone user utilize existing bluetooth cellular phone to watch mobile TV.
Summary of the invention
The invention provides a kind of bluetooth TV receiving device and method, the mobile phone that makes the user not need to renew just can be watched mobile TV, reduce use cost greatly, make things convenient for mobile TV operator development mobile phone television user, promote the healthy and stable development of mobile TV network operation.
The invention provides a kind of bluetooth TV receiving device, comprise television receiver unit, bluetooth-communication unit and control unit.Television receiver unit is used to receive the radiofrequency signal of radio network, carries out the processing of demodulation demultiplexing and obtains TV programme signal and send it to bluetooth-communication unit; Bluetooth-communication unit is responsible for and other bluetooth equipments such as bluetooth cellular phone are connected the TV programme signal that authentication and transmission are received from television receiver unit; Control unit is used to dispose the mode of operation of television receiver unit and bluetooth-communication unit and the processing of parameter and upper-layer protocol.
Further, television receiver unit receives the radiofrequency signal of the mobile phone television broadcasting system emission of the various type of skills, and mobile phone television broadcasting system comprises mobile phone television broadcasting system, the mobile phone television broadcasting system based on multimedia broadcasting network, the satellite-based mobile phone television broadcasting system based on mobile communications network.
Comprise mobile TV broadcasting, particularly multimedia broadcast-multicast service MBMS (MultimediaBroadcast/Multicast Service) under the 2G/2.5G/3G mobile communications network based on the mobile phone television broadcasting system of mobile communications network.
Comprise the mobile multimedia broadcast system CMMB of the ISDB-T of mobile TV system, China of the T-DMB of mobile TV system, the Japan of the leading mobile phone television broadcasting system MediaFLO of the DVB-H of mobile TV system, QualCom of European standard, Korea S and TMMB etc. based on the mobile phone television broadcasting system of multimedia broadcasting network.
Satellite-based mobile phone television broadcasting system comprises the S-DMB of S-DVB, Japan and the Korea S in Europe, the mobile multimedia broadcast system CMMB of China etc.
Further, apparatus of the present invention comprise the channel handoff functionality, select suitable TV programme and channel.
Further, bluetooth-communication unit comprises bluetooth hardware module and Bluetooth protocol.
Further, other outer bluetooth equipments of bluetooth cellular phone comprise Bluetooth personal equipment PDA, bluetooth notebook computer, Bluetooth personal playback equipment PMP/MP4 etc.
Control unit can be included in television receiver unit or the bluetooth-communication unit, uses the processor of television receiver unit or bluetooth-communication unit to finish controlled function, can independently not exist.
The method that the present invention's proposition utilizes above-mentioned bluetooth TV receiving device to teleview on other bluetooth equipments such as bluetooth cellular phone, it comprises: step 1, start the Bluetooth function of other bluetooth equipments such as bluetooth cellular phone, and start above-mentioned bluetooth TV receiving device and set up both sides' connection authentication by Bluetooth protocol; Step 2, above-mentioned bluetooth TV receiving device send to TV programme signal other bluetooth equipments such as bluetooth cellular phone and play by bluetooth.
In above-mentioned step 1, the above-mentioned above-mentioned bluetooth TV receiving devices of bluetooth equipment active searching such as bluetooth cellular phone if do not search, are then waited for the connection of above-mentioned bluetooth TV receiving device.
In above-mentioned step 2, bluetooth equipments such as above-mentioned bluetooth cellular phone are play after receiving the TV programme signal that above-mentioned bluetooth TV receiving device sends, if the processing and the playout software that need TV programme signal be not then need to install corresponding processing television signals and playout software.
Adopt bluetooth TV receiving device of the present invention and method, owing to can utilize bluetooth equipment TV receptions such as the existing bluetooth cellular phone of user, reduce user's use cost, make things convenient for the ownerships of operator such as mobile TV, expansion scale, thereby the healthy and stable development of assurance mobile phone TV services.
Other features and advantages of the present invention are understood in the specification elaboration or by embodiments of the invention.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, explains the present invention with the embodiment of the invention, is not construed as limiting the invention.
Figure 1 shows that the mobile phone television broadcasting system Organization Chart;
Figure 2 shows that the formation of bluetooth TV receiving device of the present invention;
Fig. 3 carries out the process chart of TV program watching for the present invention uses bluetooth TV receiving device and bluetooth cellular phone;
Embodiment
The method that the invention provides a kind of bluetooth TV receiving device and utilize this device on bluetooth equipments such as bluetooth cellular phone, to teleview, the mobile phone that makes the user not need to renew just can be watched mobile TV, reduce use cost greatly, make things convenient for mobile TV operator development mobile phone television user, promote the healthy and stable development of mobile TV network operation.
Below in conjunction with specific embodiments and the drawings technical scheme of the present invention is described in detail, and is not used in qualification the present invention.
Fig. 1 is the system architecture diagram of mobile TV broadcasting, the broadcast system of mobile TV is divided into system side and end side, multiplexing 210 of system side will give modulate emission 220 formation broadcast radio frequency signals after the TV programme multiplexing process, the bluetooth TV receiving device 100 of mobile TV broadcast terminal side receives broadcast radio frequency signals, finishes to give bluetooth cellular phone 300 with TV programme signal by the mode of Bluetooth communication after the demodulation multiplexing process and play.
Fig. 2 is the pie graph of bluetooth TV receiving device of the present invention, and as shown in Figure 2, bluetooth TV receiving device 100 comprises television receiver unit 101, bluetooth-communication unit 102 and control unit 103; Television receiver unit 101 is used to receive the radiofrequency signal of diverse network broadcasting, handles obtaining TV programme signal and giving bluetooth communication 102 through the demodulation demultiplexing; Bluetooth communication 102 is responsible for being connected authentication and sending the TV programme signal of receiving from television receiver unit with the mode of bluetooth cellular phone 300 by Bluetooth communication; Control unit 103 is mode of operation and parameters of configuration television receiver unit and bluetooth-communication unit, also can carry out the processing of some upper-layer protocols, control unit does not generally need independent existence, can use the processor of television receiver unit or bluetooth-communication unit to finish controlled function.
Fig. 3 carries out the process chart of TV program watching for the present invention uses bluetooth TV receiving device and bluetooth cellular phone.Use bluetooth TV receiving device of the present invention and bluetooth cellular phone to carry out the handling process of TV program watching, may further comprise the steps:
410: the Bluetooth function of opening bluetooth cellular phone;
420: open bluetooth TV receiving device;
430: use Bluetooth protocol between bluetooth cellular phone and bluetooth TV receiving device, to set up being connected and authentication of both sides;
The above-mentioned bluetooth TV receiving devices of bluetooth equipment active searching such as bluetooth cellular phone if do not search, wait for that then the active of above-mentioned bluetooth TV receiving device connects
440: bluetooth TV receiving device is selected channel, receives the broadcast radio frequency signals of mobile TV system, and the demodulation demultiplexing is handled the TV programme signal that obtains, and sends TV programme signal by bluetooth;
Bluetooth TV receiving device has the channel selection function, selects different channels to obtain different TV programme.
450: bluetooth cellular phone receives the TV programme signal that bluetooth TV receiving device is sent here by bluetooth, and uses the player plays TV programme signal.
The player of bluetooth cellular phone can download and install in several ways, and the mobile phone of for example supporting JAVA to download can be downloaded and install by JAVA, and other mobile phone can be installed by the mounting system special of mobile phone producer.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (9)
1, a kind of bluetooth TV receiving device comprises television receiver unit and bluetooth-communication unit, and television receiver unit is used to receive the radiofrequency signal of broadcast system, carries out the processing of demodulation demultiplexing and obtains TV programme signal and send it to bluetooth-communication unit; Bluetooth-communication unit is responsible for being connected with other bluetooth equipments Bluetooth communications such as authentication, and the TV programme signal of receiving from television receiver unit by the bluetooth transmission is to other bluetooth equipments.
2, according to the described device of claim 1, it is characterized in that, also comprise control unit, be used to control the mode of operation of television receiver unit and bluetooth-communication unit and parameter etc., control unit can be included in television receiver unit or the bluetooth-communication unit, and the controlled function of described control unit uses the processor of television receiver unit or bluetooth-communication unit to finish; Control unit also can independently exist.
3, according to the described device of claim 1, it is characterized in that, also comprise the channel switch unit, be used to select suitable TV programme.
4, according to the described device of claim 1, it is characterized in that, described television receiver unit receives the radiofrequency signal of broadcast system, and described broadcast system comprises mobile phone television broadcasting system, the mobile phone television broadcasting system based on multimedia broadcasting network, the satellite-based mobile phone television broadcasting system based on mobile communications network.
5,, it is characterized in that and other bluetooth equipments that described device carries out Bluetooth communication comprise bluetooth cellular phone, Bluetooth personal equipment PDA, bluetooth notebook computer, Bluetooth personal playback equipment PMP/MP4 etc. according to the described device of claim 1.
6, a kind of blue tooth television method of reseptance is characterized in that, comprising: step 1 starts the Bluetooth function of other bluetooth equipments such as bluetooth cellular phone, and starts above-mentioned bluetooth TV receiving device and set up both sides' connection authentication by Bluetooth protocol; Step 2, above-mentioned bluetooth TV receiving device is handled the TV programme signal that obtains with the radiofrequency signal of the broadcast system received and is sent to other bluetooth equipments such as bluetooth cellular phone by bluetooth and play.
7, in accordance with the method for claim 6, it is characterized in that, use described bluetooth TV receiving device to have the channel selection function, select the TV programme of needs, channel selection command can be sent by bluetooth by described other bluetooth equipments, also can be the manmachine command of this machine reception of described bluetooth TV receiving device.
8, in accordance with the method for claim 6, described bluetooth TV receiving device receives the radiofrequency signal of broadcast system, and described broadcast system comprises mobile phone television broadcasting system, the mobile phone television broadcasting system based on multimedia broadcasting network, the satellite-based mobile phone television broadcasting system based on mobile communications network.
9, in accordance with the method for claim 6, it is characterized in that, other bluetooth equipments that carry out Bluetooth communication with described bluetooth TV receiving device comprise bluetooth cellular phone, Bluetooth personal equipment PDA, bluetooth notebook computer, Bluetooth personal playback equipment PMP/MP4 etc., and mobile TV playing software can be installed play the TV programme that receives from described bluetooth TV receiving device.
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| CNA2008100253071A CN101267509A (en) | 2008-04-28 | 2008-04-28 | A bluetooth TV receiving device and its method |
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| CNA2008100253071A CN101267509A (en) | 2008-04-28 | 2008-04-28 | A bluetooth TV receiving device and its method |
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Open date: 20080917 |