CN101472183A

CN101472183A - Method and terminal for receiving and transmitting mobile digital broadcast television signal

Info

Publication number: CN101472183A
Application number: CNA2007101728374A
Authority: CN
Inventors: 吴湛; 朱克学; 陈刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-12-24
Filing date: 2007-12-24
Publication date: 2009-07-01

Abstract

The invention discloses a method for receiving and the transporting signals of digital mobile radio and television which includes china digital television terrestrial broadcast (DMB-TH) and china mobile digital multimedia broadcast used on a handheld device, and a DMB-TH terminal or a CMMB terminal which adopt the method. The method comprises the steps of receiving and transporting, wherein the receiving step is characterized in that DMB-TH or CMMB signals are not only received, but also transported to a MPEG-2TS transport stream including a video steam, a video stream, or other data objects, or a data stream including a video steam, a video stream, or other data objects, the transporting step is characterized in that the feedback MPEG-2TS transport stream including the video stream, the video stream, or other objects, or the data stream including the video stream, the video stream, or other objects, are converted into a format suitable for being transported to an external device and transported to the external device. The DMB-TH terminal or the CMMB terminal comprises an independent power supply, a receiving sub-module, and a communication sub-module, wherein, the communication is a 204 GHz Bluetooth sub-module, so that the adoption of the Bluetooth sub-module enables various information data to be converted by the Bluetooth standard and sent through a wireless device.

Description

The reception of mobile digital broadcast television signal and the method for transmission and employed terminal

Technical field

The present invention relates to a kind of signal receives and the tranmission techniques field, be particularly related to and be used to receive DMB-TH (China Digital TV ground broadcast transfer system standard, be used to hand, the ground digital television broadcast of portable equipment) reception of mobile digital broadcast television signal of signal or CMMB (ChinaMobile Multimedia Broadcasting, China Mobile's DMB) signal and decoding output video/audio frequency/multi-medium data/IP packet or system information and the method and the employed terminal of transmission.This terminal can be used the existing multiple communication technology, uses the equipment of bluetooth or Wi-Fi to communicate as bluetooth or the Wi-Fi communication technology and other.

Background technology

The DMB-T technology is the terrestrial DTV transmission plan that Tsing-Hua University and Legend Silicon propose, and is called T-DMB (Terrestrial Digital Multimedia Broadcasting) technology.On the basis of DMB-T, consider reception support hand-held, portable equipment, form DMB-TH (Terrestrial DigitalMultimedia TV/Handle Broadcasting).DMB-TH is become mandatory national ground standard by the national standardization conservator in official approval on August 18 in 2006, also available mobile TV.DMB-TH becomes China Digital TV ground broadcast transfer system standard--GB20600-2006 " digital television ground broadcast transmission system frame structure, chnnel coding and modulation ".

Time-domain synchronization OFDM (TDS-OFDM:Time DomainSynchronous-Orthogonal Frequency Division Multiplexing) multi-carrier modulation technology that DMB-TH has adopted the PN sequence to fill, transmit payload at frequency domain, transmit control signal in time domain by spread spectrum so as to carry out synchronously, channel estimating, realize that quick code word catches and sane synchronous tracking performance.And protect filling technique at interval based on the height protection synchronous transmission technology and the ingenious OFDM that utilizes of PN sequence spread spectrum technology, improved the spectrum utilization efficiency and the noise proof feature of transmission system.The channel estimation technique of TDS-OFDM is shorter than the iterative channel estimation process of existing transmission standard, moves receptivity thereby improved system.Error correction coding/decoding (FEC) technology-LDPC that DMB-TH adopts has than Europe superscript DVB-T and the better system of U.S. mark ATSC error performance.DMB-TH has carried out supporting the design of Internet, on existing Digital Television radio broadcasting basis, can further expand Internet business, multicast, program request, lead and value-added service such as exhale, even and then expand video, data and voice etc. comprehensive, mutual, move, portable.At the existing achievement of digital video-audio industry, DMB-TH has designed interface scheme flexibly, supports general in the world MPEG2-TS flow data form, can support the video compression and the data format of any kind, as MPEG-2, and 4 etc.

DMB-TH has also adopted the layering multi-frame structure synchronous with natural time, supports single frequency network.Single frequency network not only can better be supported the mobile digital TV service, and can solve the blind zone problem that can't be covered by individual transmitter.

The DMB-TH system is made up of emission system and receiver two parts.The digital television ground broadcast transmission system transmitting terminal is finished the conversion from input data bitstream stream (video, voice and/or data) to terrestrial television Channel Transmission signal.Input data bitstream stream is through scrambler (randomization) and carry out precoding, forward error correction coding (FEC), carries out flowing to from bit the constellation mapping of symbols streams then, carries out symbol interleaving coding back again and forms the master data piece.After master data piece and the system information combination (multiplexing), form frame through the frame data processing.And frame is signal frame (framing) with corresponding frame head (PN sequence) multiple connection, is converted to baseband output signal (in the 8MHz bandwidth) through baseband postprocessing, the emission after quadrature up-conversion is converted to the radiofrequency signal amplification of this signal.System's receiving unit then is the inverse process of radiating portion.Receiver at first by the tuning high-frequency signal that enters from antenna of tuner, filters useless portions of the spectrum, and to being down-converted to the intermediate-freuqncy signal frequency range that OFDM can receive; OFDM base band demodulator receiving intermediate frequency signal, after carrying out the A/D conversion, obtain digital signal, digital signal obtains the signal of two-way quadrature through the I/Q conversion, this signal by channel synchronization and channel equalization after, send into ofdm demodulator and carry out base band demodulating, solve signal frame then, solve the master data piece again, carry out deinterleaving, decoding, descrambling then, obtain MPEG-2TS transport stream (comprising video flowing or audio stream or other data objects).

Equally, CMMB is Mobile Multimedia Broadcasting (mobile TV) industry standard (CMMB) of State Administration of Radio Film and Television's promulgation on October 24th, 2006.Mobile Multimedia Broadcasting CMMB standard core be via satellite with the terrestrial wireless broadcast mode, for seven inches following the small screen, small size, move receiving equipments such as portable handheld terminal such as notebook computer, receive professional system such as broadcast TV program and information service whenever and wherever possible, transmission technology adopts the Mobile Multimedia Broadcasting transmission technology (this technology is called for short " STiMi ") of China's independent research. and this standard is applicable to the broadcasting service frequency in 30MHz arrives the 3000MHz frequency range, via satellite and/or terrestrial wireless emission TV, broadcasting, the broadcast system of multi-media signals such as data message, can realize whole nation roaming. in addition, the network that CMMB has comprised by telecommunications carries out the return network signal, and up data channel is provided.

The STiMi technology is the wireless channel transmission technology towards the Mobile Multimedia Broadcasting design, the core in the CMMB architectural framework of Chinese independent research.The STiMi technology fully takes into account the characteristics of mobile multi-media broadcasting service, require high at the handheld device receiving sensitivity, mobility and battery powered characteristics, adopt state-of-the-art channel error correction coding and OFDM modulation technique, improved antijamming capability and to ambulant support, adopt time slot (time slot) power-saving technique to reduce power consumption of terminal, improve terminal continuation of the journey energy.

The CMMB system by emission system, transmit net, telecom mobile network and a plurality of parts of receiver with rail S-band satellite network, ground supplement and form.The wherein topmost part that directly relates to broadcasted content is emission system and receiving system.In emission system, many the data flow (comprising video, audio frequency or/and other data services) that constitute the CMMB service from the upper strata are carried out operations such as RS coding and byte-interleaved, LDPC coding, Bit Interleave and constellation mapping independently respectively, continuous pilot with scattered pilot and carrying transmission indication information combines then, form the OFDM frequency domain symbol, again the frequency domain symbol data are carried out scrambling, carry out operations such as OFDM modulation, framing, up-conversion, by radio frequency part signal is sent in the air at last.System's receiving unit then is the inverse process of radiating portion.Receiver at first by the tuning high-frequency signal that enters from antenna of tuner, filters useless portions of the spectrum, and to being down-converted to the intermediate-freuqncy signal frequency range that OFDM can receive; OFDM base band demodulator receiving intermediate frequency signal, after carrying out the A/D conversion, obtain digital signal, digital signal obtains the signal of two-way quadrature through the I/Q conversion, this signal by channel synchronization and channel equalization after, send into ofdm demodulator and carry out base band demodulating, carry out symbol descrambling (separating energy dissipation) then and by demodulation multiplexer, and then separate Bit Interleave, separate the LDPC sign indicating number, separate byte-interleaved and conciliate the RS sign indicating number, obtain comprising video, audio frequency at last or/and many data flow of other data services.

The English Bluetooth by name of bluetooth is the short distance wireless communication technology standard (IEEE802.15), is operated in the 2.4GHz frequency band, and bandwidth is 1Mb/s.The wave band of Bluetooth technology is operated in not to be needed (frequency takies) licence (2.402 to 2.4835GHz), short distance is by the harmless voice and data of wireless connections transmission.The Bluetooth protocol that the formal standard of bluetooth that bluetooth special interests (SIG) are announced is 1.2 editions is supported the speed of 1 megabyte per second and 10 meters transmission range, but the data head of bluetooth data packets has taken a constant volume, so actual transfer rate has only 723 kilobytes per seconds.In November, 2004 is by bluetooth 2.0 transmission rate of 3 megabyte per seconds in theory of permission, and the straight line coverage can reach 250 meters, can be used in the occasion that big data throughout needs, such as the files in stream media of transmission CD Quality, digital photo and laser printing etc.On the market a large amount of support bluetooth 1.2 products under the contract are arranged now, such as PDA, mobile phone, computer, wireless headset, on-vehicle hands-free device etc., wherein mobile phone is used at most.Support that the first unit of this 2.0 agreement has appeared on the market in December, 2005, comprise being applied on the mobile phone.

The Wi-Fi technology is represented " Wireless Fidelity ", refers to the IEEE802.11b subclass of 802.11 standards.In September, 1999, Institute of Electrical and Electronics Engineers (IEEE) has ratified IEEE 802.11b standard, and this standard is also referred to as Wi-Fi.IEEE 802.11b is defined in physical layer and media interviews control (MAC) sublayer that shared wireless lan (wlan) communicates.In physical layer, IEEE 802.11b adopts the wireless frequency of 2.45GHz, and maximum bit rate reaches 11Mbps, and transmission range can reach 100 meters and use direct sequence spread spectrum (DSSS) transmission technology.IEEE 802.11 has defined two kinds of operating modes: special (Ad hoc) pattern and basis (Infrastructure) pattern.Under Ad hoc pattern (being also referred to as ad hoc mode), wireless client is intercommunication (not using wireless aps) mutually directly.Use two or more wireless clients of Ad hoc pattern communication just formed an independent based services set (Independent Basic Service Set, IBSS).Ad hoc pattern is used for when not providing wireless aps connecting wireless client, therefore supports can directly connect communication by Ad hoc between the product of Wi-Fi.On the market a large amount of products that comprises the Wi-Fi technology being arranged now, mainly is PDA, notebook computer and part mobile phone.

At present, support the network of mobile TV to comprise China Digital TV terrestrial broadcasting (DMB-TH), the China Mobile's DMB (CMMB) that is used for handheld device, be used for the China Digital TV terrestrial broadcasting of handheld device or mobile phone or other handheld devices of China Mobile's DMB (CMMB) two kinds of implementation methods are generally arranged, the one, the DMB-TH receiver module of circumscribed or CMMB receiver module, utilize USB interface, SDIO interface, CF card, be directly connected to PDA or mobile phone or other handheld devices; Another application is directly DMB-TH receiver module or CMMB receiver module to be integrated in mobile phone or other handheld devices.

Needed reception, DMB-TH receiver module tuning and demodulation are known, and the MPEG-2TS transport stream delivery that demodulates is used for further other cell processing in system for an interface.The for example driver and the video application of integrated receiver module in the software systems of mobile phone or other handheld devices, the MPEG-2 TS transport stream that comprises video flowing or audio stream or other data objects that DMB-TH is received is converted to the form that the user can directly use.

Equally, needed reception, CMMB receiver module tuning and demodulation are known, and the data flow that demodulates passes to an interface and is used for further other cell processing in system.The for example driver and the video application of integrated receiver module in the software systems of mobile phone or other handheld devices, the data flow that comprises video flowing or audio stream or other data objects that CMMB is received is converted to the form that the user can directly use.

Yet, support the mobile phone of China Digital TV terrestrial broadcasting (DMB-TH) or China Mobile's DMB (CMMB) or these two kinds of solutions of other handheld devices that several common technical disadvantages are all arranged at present.The first, being affected easily of received signal.When environment for use was in building, the signal of reception may be poor, if adopt bigger antenna, to handheld device particularly the use of mobile phone make troubles.The second, the power consumption of handheld device increases a lot.In handheld device especially mobile phone, power saving is a most important problem always, and is all bigger as the power consumption of the tuner of existing receiver module, reduced handheld device battery service time of mobile phone especially.The 3rd, design under the constant situation at other, increase DMB-TH receiver module or CMMB receiver module, concerning directly DMB-TH or CMMB receiver module being integrated into the mobile phone or other handheld device products in the equipment, the size of product can increase, to using USB, the DMB-TH of SDIO or CF interface or CMMB receiver module product, because existing DMB-TH receiver module or CMMB receiver module are enough not little, thereby the normal profile that exceeds mobile phone or handheld device product, both of these case all is a unfavorable factor for the hand-held product of paying attention to product size especially mobile phone.

In addition, for the user that mobile phone or handheld device are arranged, its product must have USB, SDIO, CF or other interfaces or must be replaced by the product of integrated this interface or be replaced by the new product of integrated DMB-TH receiver module or CMMB receiver module, the service that can use China Digital TV terrestrial broadcasting (DMB-TH) or China Mobile's DMB (CMMB) system to provide.Be adverse factors for China Digital TV terrestrial broadcasting (DMB-TH) or China Mobile's DMB (CMMB) popularization like this.Also increased consumer's burden.

In sum, press on the market and a kind ofly can improve received signal, power consumption and dimensional problem, and make full use of the scheme that the existing mobile phone of user or other handheld devices can upgrade to the product of supporting China Mobile's DMB (CMMB) service of receiving China Digital TV terrestrial broadcasting (DMB-TH) or being used for handheld device flexibly.

Summary of the invention

The objective of the invention is to provide in these cases a kind of simpler connection DMB-TH receiver module or CMMB receiver module to mobile phone or other hand-hold electronic equipments China Digital TV terrestrial broadcasting (DMB-TH) or be used for reception that China Mobile's DMB (China Mobile's DMB (CMMB) CMMB) of handheld device serves and the method and the employed terminal of transmission, this method and employed terminal can be under the situations that does not increase product size, mobile phone or other hand-hold electronic equipments of existing relatively connection DMB-TH receiver module or CMMB receiver module, better solve the power consumption problem and better received signal is provided under many circumstances.

As the reception of China Digital TV terrestrial broadcasting (DMB-TH) DMB (DMB) of first aspect present invention and the method for transmission, it is characterized in that, comprising:

Receiving step, this step receive the DMB-TH signal and change these signals becomes the MPEG-2 TS transport stream that comprises video flowing or audio stream or other data objects;

Transfer step is converted to the MPEG-2TS transport stream that comprises video flowing or audio stream or other data objects of presenting and is suitable for being transferred to a kind of form of external equipment and being sent to external equipment.

As the reception of the China Mobile's DMB (CMMB) that is used for handheld device of second aspect present invention and the method for transmission, it is characterized in that, comprising:

Receiving step, this step receive the CMMB signal and change these signals becomes the data flow that comprises video flowing or audio stream or other data objects;

Transfer step is converted to the data flow that comprises video flowing or audio stream or other data objects of presenting and is suitable for being transferred to a kind of form of external equipment and being sent to external equipment.

In receiving step described in the method for above-mentioned reception and transmission and described transfer step is to have in the terminal of an independent current source one to finish.

In the described transfer step of the method for above-mentioned reception and transmission, can adopt wired or wireless mode to transmit.

Described wireless transmissioning mode comprises blue teeth wireless load mode or Wi-Fi wireless transmissioning mode.

A kind of terminal as third aspect present invention, it is the DMB-TH terminal that is used to realize above-mentioned China Digital TV terrestrial broadcasting (DMB-TH) DMB receiving step and transfer step, it is characterized in that this DMB-TH terminal has a power supply and comprising independently:

Receive submodule, this reception submodule will receive the DMB-TH signal and change these signals becomes the MPEG-2 TS transport stream that comprises video flowing or audio stream or other data objects;

Communicator module, the MPEG-2 TS transport stream that comprises video flowing or audio stream or other data objects that this communicator module is presented receiver module are converted to and are suitable for being transferred to a kind of form of external equipment and being sent to external equipment.

Housing, this housing are used for taking up described reception submodule and communicator module and power supply, and wherein power supply is described reception submodule and described communicator module for power supply.

In the DMB-TH of said structure receiving terminal, also comprise a microprocessor, described microprocessor is connected with the communicator module with the reception submodule, the operating state that receives submodule and communicator module is provided with, receives the MPEG-2 TS transport stream that comprises video flowing or audio stream or other data objects that submodule is sent; And encode even compress to the communicator module these data passes.

In the DMB-TH of said structure receiving terminal, comprise a power management module in the described power supply, described power management module is connected with battery, reception submodule, communicator module and microprocessor, power management module receives electric energy by battery, and is converted into reception submodule, communicator module and the needed different operating voltage of microprocessor.

In the power management module of said structure, can also connect a battery status indicator light.Power management module is detected battery capacity simultaneously, when the too low deficiency of battery capacity so that system's operate as normal time control battery status indicator light is an alarm condition, with the reminding user to replace battery.

In the DMB-TH of said structure receiving terminal, described communicator module can adopt wired or wireless mode to transmit signals to external equipment.

In the DMB-TH of said structure receiving terminal, the information data of described reception submodule processing gained can be connected with external circuit by microprocessor presents to external equipment.

Described microprocessor comprises the interface circuit that tool is realized communicator module and external equipment transmitted in both directions.

In the DMB-TH of said structure receiving terminal, be provided with the sleeping/waking pattern in the described microprocessor, when microprocessor is in resting state, described reception submodule and communicator module are in power down mode, and simultaneously but microprocessor self also enters power saving state that again can the receiving belt wake-up signal; When microprocessor received wake-up signal, microprocessor at first self-recovery was provided with then and receives submodule and communicator module and power management module to operating state to operating state.

In the DMB-TH of said structure receiving terminal, the dormancy of described microprocessor and wake-up states are connected sleeping/waking state switch on the microprocessor by one and open realization.The user can notify microprocessor to enter dormancy or wake-up states by diverter switch.

In the DMB-TH of said structure receiving terminal, described microprocessor has also connected one and has received submodule status indicator lamp and a communicator module status indicator light.When receiving submodule in operate as normal, microprocessor is provided with and receives the submodule status indicator lamp is bright, when the reception submodule is in power down mode, microprocessor is provided with and receives the submodule status indicator lamp for dark, when receiving submodule in operating state normally, microprocessor is provided with and receives the submodule status indicator lamp for glimmering.Similarly, when communicator module during respectively in normal operating conditions, power down mode or abnormal operating state, it is bright, dark or flicker that microprocessor is provided with communicator module status indicator light respectively.

In the DMB-TH of said structure receiving terminal, described microprocessor also comprises a memory, and microprocessor is kept at the user in the memory to the data that receive the submodule setting.Like this, after the user disconnected the communicator module and the external equipment of corresponding communication connects, microprocessor was given tacit consent to the configuration data of use preservation last time during again connection.

In the DMB-TH of said structure receiving terminal, described reception submodule comprise one be used to receive VHF (174 ~ 230Mhz) or UHF (470 ~ 838Mhz) DMB-TH signal and the radio circuit of changing these signals and become the receivable intermediate-freuqncy signal of baseband circuit receive the baseband circuit part that tuning part and receives these intermediate-freuqncy signals and is converted into the MPEG-2 TS transport stream that comprises video flowing or audio stream or other data objects.

In the reception submodule of said structure, the MPEG-2 TS transport stream that comprises video flowing or audio stream or other data objects that described baseband circuit partly is converted into can send by the radio circuit of communicator module.

In the reception submodule of said structure, described radio circuit receives tuning part and connects an antenna, as receiving the DMB-TH signal.

In the DMB-TH of said structure receiving terminal, described communicator module comprises that one is used to receive the radio circuit part that comprises control or configuration data signals and transmit the MPEG-2 TS transport stream comprise video flowing or audio stream or other data objects, with one with the radio circuit part two-way be connected and can according to transmission of certain format standard and received signal the base band part of leading the way.

In the communicator module of said structure, described base band is led the way part can be to signal encoding and the decoding that sends and accept.

In the communicator module of said structure, described radio circuit partly connects an antenna, as the signal that receives and send certain format.

In the DMB-TH receiving terminal of said structure, described communicator module comprises bluetooth (Bluetooth) submodule or comprises the Wi-Fi submodule.

In the communicator module of said structure, described bluetooth submodule or Wi-Fi submodule bluetooth submodule or Wi-Fi submodule for the signal according to described bluetooth standard or Wi-Fi standard code is received the decode.

When communicator module during for bluetooth submodule that the signal according to described bluetooth standard or Wi-Fi standard code is received the decode or Wi-Fi submodule, described microprocessor is responsible for reading the opposing party that bluetooth submodule or Wi-Fi submodule receive Bluetooth communication or Wi-Fi communication and is transmitted control or the configuration data that comes and be converted into and receive the form that submodule can be discerned, and presents to receiving submodule to be configured or to control again.

Another kind of terminal as fourth aspect present invention, be to be used to realize the receiving step of the above-mentioned China Mobile's DMB (CMMB) that is used for handheld device and the DVB-H terminal of transfer step, it is characterized in that this DVB-H terminal has a power supply and comprising independently:

Receive submodule, this reception submodule will receive the CMMB signal and change these signals becomes the data flow that comprises video flowing or audio stream or other data objects;

Communicator module, the data flow that comprises video flowing or audio stream or other data objects that this communicator module is presented receiver module are converted to and are suitable for being transferred to a kind of form of external equipment and being sent to external equipment.

In the CMMB of said structure receiving terminal, also comprise a microprocessor, described microprocessor is connected with the communicator module with the reception submodule, the operating state that receives submodule and communicator module is provided with, receives the data flow that comprises video flowing or audio stream or other data objects that submodule is sent; And encode even compress to the communicator module these data passes.

In the CMMB of said structure receiving terminal, comprise a power management module in the described power supply, described power management module is connected with battery, reception submodule, communicator module and microprocessor, power management module receives electric energy by battery, and is converted into reception submodule, communicator module and the needed different operating voltage of microprocessor.

In the CMMB of said structure receiving terminal, described communicator module can adopt wired or wireless mode to transmit signals to external equipment.

In the CMMB of said structure receiving terminal, the information data of described reception submodule processing gained can be connected with external circuit by microprocessor presents to external equipment.

In the CMMB of said structure receiving terminal, be provided with the sleeping/waking pattern in the described microprocessor, when microprocessor is in resting state, described reception submodule and communicator module are in power down mode, and simultaneously but microprocessor self also enters power saving state that again can the receiving belt wake-up signal; When microprocessor received wake-up signal, microprocessor at first self-recovery was provided with then and receives submodule and communicator module and power management module to operating state to operating state.

In the CMMB of said structure receiving terminal, the dormancy of described microprocessor and wake-up states are connected sleeping/waking state switch on the microprocessor by one and open realization.The user can notify microprocessor to enter dormancy or wake-up states by diverter switch.

In the CMMB of said structure receiving terminal, described microprocessor has also connected one and has received submodule status indicator lamp and a communicator module status indicator light.When receiving submodule in operate as normal, microprocessor is provided with and receives the submodule status indicator lamp is bright, when the reception submodule is in power down mode, microprocessor is provided with and receives the submodule status indicator lamp for dark, when receiving submodule in operating state normally, microprocessor is provided with and receives the submodule status indicator lamp for glimmering.Similarly, when communicator module during respectively in normal operating conditions, power down mode or abnormal operating state, it is bright, dark or flicker that microprocessor is provided with communicator module status indicator light respectively.

In the CMMB of said structure receiving terminal, described microprocessor also comprises a memory, and microprocessor is kept at the user in the memory to the data that receive the submodule setting.Like this, after the user disconnected the communicator module and the external equipment of corresponding communication connects, microprocessor was given tacit consent to the configuration data of use preservation last time during again connection.

In the CMMB of said structure receiving terminal, described reception submodule comprise one be used to be received in 30 megahertzes to the CMMB signal of 3000 megahertz broadcasting service frequency ranges and the radio circuit of changing these signals and become the receivable intermediate-freuqncy signal of baseband circuit receive the baseband circuit part that tuning part and receives these intermediate-freuqncy signals and is converted into the data flow that comprises video flowing or audio stream or other data objects.

In the reception submodule of said structure, the data flow that comprises video flowing or audio stream or other data objects that described baseband circuit partly is converted into can send by the radio circuit of communicator module.

In the reception submodule of said structure, described radio circuit receives tuning part and connects an antenna, as receiving the CMMB signal.

In the CMMB of said structure receiving terminal, described communicator module comprises that one is used to receive the radio circuit part that comprises control or configuration data signals and transmit the data flow comprise video flowing or audio stream or other data objects, with one with the radio circuit part two-way be connected and can according to transmission of certain format standard and received signal the base band part of leading the way.

In the CMMB receiving terminal of said structure, described communicator module comprises bluetooth (Bluetooth) submodule or comprises the Wi-Fi submodule.

Owing to adopted design as above, the present invention allows to use DMB-TH receiving terminal or CMMB receiving terminal together with those external equipments with the corresponding communication interface that is used for described form.Like this, external equipment with corresponding communication interface, mobile phone for example, the change of it goes without doing any hardware just can be used the service of China Mobile's DMB (CMMB) of China Digital TV terrestrial broadcasting (DMB-TH) or handheld device, does not also need original size is made any change.And because terminal of the present invention can be made the oneself battery or the product of power supply, making need not provide terminal required electric energy with the external equipment with corresponding communication interface of this terminal communication when reception China Digital TV terrestrial broadcasting (DMB-TH) or China Mobile's DMB (CMMB) of being used for handheld device are served.In addition, because the distance that described communicator module intercoms mutually is in 10 meters (as bluetooths 1.2) or 100 meters (as Wi-Fi) or 250 meters (as bluetooth 2.0), can will adopt terminal of the present invention be placed on to be easier to the place of the China Mobile's DMB (CMMB) that receives China Digital TV terrestrial broadcasting (DMB-TH) or be used for handheld device, and then send to the external equipment of corresponding communication interface by the data flow that the communicator module just comprises the MPEG-2TS transport stream of video flowing or audio stream or other data objects or other data objects.

Because the communicator module is bluetooth (Bluetooth) submodule or Wi-Fi submodule, by it, the MPEG-2 TS transport stream that comprises video flowing or audio stream or other data objects that described rectification obtains or the data flow of other data objects can send according to bluetooth standard or Wi-Fi standard handovers and by wireless device.A kind of communicator module according to bluetooth standard (BT standard) or Wi-Fi standard is particularly advantageous in this respect, because had a large amount of hand-hold electronic equipments to comprise that mobile phone, handheld device and PDA have had the interface of bluetooth and/or Wi-Fi, and more and more equipments is becoming the equipment with blue tooth interface standard.

The communicator module can adopt and be designed to bluetooth submodule or Wi-Fi submodule that the signal according to described BT standard or Wi-Fi standard code is received the decode in addition, terminal of the present invention so not only can receive (DMB-TH) signal or CMMB signal but also can receive data from other external equipment, and in appropriate circumstances can be therefore Be Controlled correspondingly.

Reception submodule in the terminal of the present invention has radio circuit and receives tuning part and baseband circuit part, (VHF (174 ~ 230Mhz) can be used to handle the DMB-TH signal of reception, UHF (470 ~ 838Mhz)) or CMMB signal (at 30 megahertzes in 3000 megahertz broadcasting service frequency ranges) and handle the BT signal or the Wi-Fi signal that will send at least one radio frequency, the communicator module has radio circuit part and baseband circuit part, can in order to the BT signal that handle to receive and send (2.402 ~ 2.4835GHz) or Wi-Fi signal (2.45GHz), can make terminal of the present invention especially microminiaturized.

In terminal of the present invention, one interface circuit is set, by it, the MPEG-2 TS transport stream that comprises video flowing or audio stream or other data objects that demodulation obtains or the data flow of other data objects can be presented the equipment that connects to an outer lead, realize wired transmission.In addition interface circuit design is become the circuit transmission mode of data from external equipment to described submodule.Allow terminal of the present invention like this and do not have circuit transmission according to the data between the external equipment of the interface of bluetooth and Wi-Fi standard.

In terminal of the present invention, the microprocessor of use is provided with " dormancy " and " waking up " two kinds of patterns, at described dormancy its consumption micro-current in season, is operate as normal after waking up.Can make more power saving of terminal of the present invention like this.

In terminal of the present invention, accept submodule status indicator lamp, communicator module indicator light and battery status indicator light by being provided with, the luminance that available indicator light is different represents to receive the different operating state of submodule, communicator module and battery respectively.

In terminal of the present invention, by memory stores, can the dynamic memory user setting of last time, be convenient to the setting of last time of when next user uses automatic invoke user.

Description of drawings

Further describe the present invention below in conjunction with the drawings and specific embodiments, but technical scheme of the present invention is not limited to the description of following the drawings and specific embodiments.

Fig. 1 is the schematic diagram of the present invention in application aspect reception and the transmission China Digital TV terrestrial broadcasting (DMB-TH).

Fig. 2 is receiving and is transmitting a schematic diagram of using aspect the China Mobile's DMB (CMMB) that is used for handheld device for the present invention.

Fig. 3 is the schematic diagram of first embodiment of DMB-TH terminal of the present invention.

Fig. 4 is the schematic diagram of second embodiment of DMB-TH terminal of the present invention.

Fig. 5 is the hardware capability calcspar of a product embodiments of DMB-TH terminal of the present invention.

Fig. 6 for DMB-TH terminal of the present invention the DMB-TH data communication flow process schematic diagram of a product embodiments.

Fig. 7 is the schematic diagram of first embodiment of CMMB terminal of the present invention.

Fig. 8 is the schematic diagram of second embodiment of CMMB terminal of the present invention.

Fig. 9 is the hardware capability calcspar of a product embodiments of CMMB terminal of the present invention.

Figure 10 for CMMB terminal of the present invention the CMMB data communication flow process schematic diagram of a product embodiments.

Among the figure: 1 is the DMB-TH terminal, 1a is the CMMB terminal, 2 is the reception submodule of DMB-TH terminal, 21 is the radio circuit reception tuning part of the reception submodule of DMB-TH terminal, 22 is the baseband circuit part of the reception submodule of DMB-TH terminal, 2a is the reception submodule of CMMB terminal, 21a is that the radio circuit of the reception submodule of CMMB terminal receives tuning part, 22a is the baseband circuit part of the reception submodule of CMMB terminal, 3 is the communicator module of DMB-TH terminal, 31 is the radio circuit part of the communicator module of DMB-TH terminal, 32 is the baseband circuit part of the communicator module of DMB-TH terminal, 3a is the communicator module of CMMB terminal, 31a is the radio circuit part of the communicator module of CMMB terminal, 32a is the baseband circuit part of the communicator module of CMMB terminal, 4 is the antenna of the reception submodule reception of DMB-TH terminal, 4a is the antenna that the reception submodule of CMMB terminal receives, 5 is the communicator module reception of DMB-TH terminal and the antenna of emission, 5a is the antenna that the communicator module of CMMB terminal receives and launches, 6 is the microprocessor and the external interface circuit of DMB-TH terminal, 61 is the outer lead connection of the interface circuit of DMB-TH terminal, 6a is the microprocessor and the external interface circuit of CMMB terminal, 61a is that the outer lead of the interface circuit of CMMB terminal connects, 7 is the power supply circuits of DMB-TH terminal, 71 is the battery of DMB-TH terminal, 72 is the power management module of DMB-TH terminal, 7a is the power supply circuits of CMMB terminal, 71a is the battery of CMMB terminal, 72a is the power management module of CMMB terminal, 8 is the reception submodule of DMB-TH terminal and the public submodule of communicator module, 81 is the radio circuit part of the public submodule of DMB-TH terminal, 82 is the baseband circuit part of the public submodule of DMB-TH terminal, 8a is the reception submodule of CMMB terminal and the public submodule of communicator module, 81a is the radio circuit part of the public submodule of CMMB terminal, 82a is the baseband circuit part of the public submodule of CMMB terminal, 9 is the microprocessor of DMB-TH terminal, 91 is the reception submodule status indicator lamp of DMB-TH terminal, 92 is the communicator module status indicator light of DMB-TH terminal, 93 is the battery status indicator light of DMB-TH terminal, 9a is the microprocessor of CMMB terminal, 91a is the reception submodule status indicator lamp of CMMB terminal, 92a is the communicator module status indicator light of CMMB terminal, 93a is the battery status indicator light of CMMB terminal, 10 is the sleeping/waking state switch of DMB-TH terminal, 10a is the sleeping/waking state switch of CMMB terminal, 111 for having the notebook computer of Bluetooth function, 112 for having the PMP of Bluetooth function, 113 for having the PDA of Bluetooth function, 114 for having the smart mobile phone of Bluetooth function, 121 is the DMB-TH transmitting station, 121a is the CMMB transmitting station, 131 is the DMB-TH modulation signal, 131a is the CMMB modulation signal, 132 is the Bluetooth modulation signal, 221 the MPEG-2 TS transmission stream signal that comprise video/audio for demodulation, 221a is the traffic spike that comprises video/audio of demodulation, 222 is the state/control data of DMB-TH terminal, and 222a is the state/control data of CMMB terminal.

Embodiment

The schematic diagram that the reception of the China Digital TV terrestrial broadcasting DMB-TH131 of the present invention that provides among Fig. 1 and the method for transmission are used.

DMB-TH receiving terminal 1 receives China Digital TV terrestrial broadcasting DMB-TH131 modulation signal 131 and changes the MPEG-2 TS transmission stream signal 221 that comprises video/audio that China Digital TV terrestrial broadcasting DMB-TH modulation signal 131 becomes demodulation from DMB-TH transmitting station 121; The MPEG-2 TS transmission stream signal 221 that comprises video/audio that to present then is converted to Bluetooth modulation signal 132, communicates by letter with the notebook computer 111 that has Bluetooth function, the PMP112 that has Bluetooth function, the smart mobile phone 114 that has the PDA113 of Bluetooth function or have a Bluetooth function.

The MPEG-2 TS transmission stream signal 221 that comprises video/audio of presenting can certainly be converted to the Wi-Fi signal, communicate by letter with the notebook computer that has the Wi-Fi function, the PMP that has the Wi-Fi function, the smart mobile phone that has the PDA of Wi-Fi function or have a Wi-Fi function.

The present invention who provides among Fig. 2 is used for the schematic diagram that the method for the reception of China Mobile's DMB (CMMB) of handheld device and transmission is used.

CMMB receiving terminal 1a receives China Mobile's DMB (CMMB) modulation signal 131a be used for handheld device (at 30 megahertzes in 3000 megahertz broadcasting service frequency ranges) from CMMB transmitting station 121a, and is converted into the traffic spike 221a that comprises video/audio of demodulation; The traffic spike 221a that comprises video/audio that will present then is converted to Bluetooth modulation signal 132, communicates by letter with the notebook computer 111 that has Bluetooth function, the PMP112 that has Bluetooth function, the smart mobile phone 114 that has the PDA113 of Bluetooth function or have a Bluetooth function.

The traffic spike 221a that comprises video/audio that presents can certainly be converted to the Wi-Fi signal, communicate by letter with the notebook computer that has the Wi-Fi function, the PMP that has the Wi-Fi function, the smart mobile phone that has the PDA of Wi-Fi function or have a Wi-Fi function.

Fig. 3 illustrates first embodiment according to DMB-TH receiving terminal 1 of the present utility model, and comprising reception submodule 2 and a communicator module 3 of a DMB-TH receiving terminal 1, it is according to known bluetooth (BT) standard operation.Can certainly be according to known Wi-Fi standard operation.

During according to known bluetooth (BT) standard operation, the reception submodule 2 of DMB-TH receiving terminal 1 have one be used to receive the DMB-TH signal (VHF (174 ~ 230Mhz) and/or UHF (470 ~ 838Mhz)) and the radio circuit of changing these signals and become baseband circuit part 22 receivable intermediate-freuqncy signals receive tuning part 21.These intermediate-freuqncy signals are converted into the MPEG-2 TS transport stream that comprises video flowing or audio stream or other data objects by a baseband circuit part 22 that is connected to radio circuit reception tuning part 21.This process is simply introduced in the background technology part.Become known for the various signal processing methods of this purpose, just further do not explained here.

The communicator module 3 of BT comprises a radio circuit part 31 that is used at bluetooth frequency band (BT frequency band) reception and transmission signals, it approximately 2400 and 2483.5Mhz between frequency range, the baseband circuit part 32 that also comprises a BT, it has one the two-way connection of radio circuit part 31 and the BT signal that will send and receive according to the BT standard baseband circuit part 32 by BT is encoded and decodes, and is compressed in case of necessity and decompress(ion).The signal processing method that is used for this purpose also is known, has not therefore just further explained here.

The radio circuit that receives submodule 2 receives tuning part 21 and is connected to an antenna 4.Antenna 4 is as the reception DMB-TH signal of terminal 1.

The radio circuit part 31 of communicator module 3 is connected to an antenna 5.Antenna 5 is as receiving and send Bluetooth signal.

Two the baseband circuit parts 22,32 that receive submodule 2 and communicator module 3 are connected to a microprocessor and external interface circuit 6, receive submodule 2 and communicator module 3 swap data each other by its, as they can by an outside line connect 61 with external equipment (not shown) swap data.Receive submodule 2 and communicator module 3 and be designed to separate functional unit.

Therefore, reception submodule 2 by means of DMB-TH receiving terminal 1, the DMB-TH signal can be received, be converted into the MPEG-2 TS transport stream that comprises video flowing or audio stream or other data objects, these MPEG-2 TS transport stream are fed to the communicator module 3 of BT then through microprocessor and external interface circuit 6, so that after the signal that is converted to according to the BT standard code, through antenna 5 these data (are for example sent to another equipment, a smart mobile phone, a PDA etc.), this another equipment has and is used for interface that the BT code signal is received the decode.This equipment can further be handled the BT code signal that receives from it, obtain comprising the MPEG-2 TS transport stream of video flowing or audio stream or other data objects, give the form (image, sound, video or other information) that the application program that runs on this equipment can directly be used to be converted to the user then.

The MPEG-2 TS transport stream of the signal processing of DMB-TH on the other hand, gained can also be connected 61 by microprocessor and external interface circuit 6 and present to the equipment that does not have blue tooth interface (for example presenting to a PC by USB (USB)) with outside line.

But also might pass through antenna 5 and communicator module 3, receive the BT signal from other according to equipment of BT standard code, shown in the BT signal be switched to base band, decoded and be connected 61 with outside line by microprocessor and external interface circuit 6 and be fed to and connectedly be used to control and/or the equipment of data communication then.On the contrary, microprocessor and external interface circuit 6 also can be designed for from the external equipment to the submodule circuit transmission of 3 data.

DMB-TH receiving terminal 1 is connected to power supply circuits 7, and especially, power supply circuits 7 comprise demountable battery or non-removable rechargeable battery.

Fig. 4 illustrates one second embodiment according to DMB-TH receiving terminal 1 of the present utility model, and wherein the reception submodule 2 of the separation shown in Fig. 3 and communicator module 3 are combined into a public submodule 8.

This public submodule 8 comprises a common radio-frequency circuit part 81 that is respectively applied for DMB-TH signal and BT signal, with a public baseband circuit part 82, common radio-frequency circuit part 81 merges the function that radio circuit receives tuning part part 21 and radio circuit part 31, and public baseband circuit part 82 has merged according to the baseband circuit part 22 of Fig. 5 and 32 function.

In addition, also provide here as an antenna 4 and the antenna 5 shown in first embodiment, antenna 4 is as receiving the DMB-TH signal, and antenna 5 is used for receiving and sending Bluetooth signal.Simultaneously, in a second embodiment, explain that as above a microprocessor and external interface circuit 6 are also arranged, be used for connecting 61 and be connected with the two-way of miscellaneous equipment by outside line.

At last, in a second embodiment, explain that as above the interface that is connected with power supply circuits 7 is also arranged.

The basic function of second embodiment and its range of application are basically the same as those in the first embodiment, and therefore, have not just explained at this.

The special advantage of second embodiment is that it can miniaturization to a very significant degree, causes further reducing manufacturing expense and enlarges range of application.

Fig. 5 illustrates the hardware capability calcspar of a product embodiments that adopts this DMB-TH receiving terminal 1, wherein to receive tuning part 21 are circuit blocks independently to the radio circuit of DMB-TH receiving terminal 1, and the baseband circuit part 22 of the terminal 1 that DMB-TH receives also is a circuit block independently.

Bluetooth communication submodule 3 has merged the radio circuit part 31 and the baseband circuit part 32 of bluetooth as circuit block independently.Antenna 4 be used to receive VHF (174 ~ 230Mhz) and/or UHF (470 ~ 838Mhz) DMB-TH signal and the radio circuit that passes to the reception submodule 2 of the DMB-TH that antenna 4 connects receive tuning part 21.Antenna 5 be used to receive and send 2400 and 2483.5Mhz between Bluetooth signal and pass to the Bluetooth communication submodule 3 that antenna 5 connects.

Microprocessor 9 has connected the baseband circuit part 22 and the Bluetooth communication submodule 3 of the reception submodule 2 of DMB-TH receiving terminal 1, microprocessor 9 is responsible for being provided with the baseband circuit part 22 of reception submodule 2 of DMB-TH receiving terminal 1 and Bluetooth communication submodule 3 to the state that can work, receive the MPEG-2 TS transport stream that comprises video flowing or audio stream or other data objects that the baseband circuit part 22 of the reception submodule 2 of DMB-TH receiving terminal 1 is sent, and these data flow are passed to Bluetooth communication submodule 3 encode even might compress.On the contrary, when passing through antenna 5, when the opposing party that Bluetooth communication submodule 3 receives Bluetooth communication transmits the control that comes or configuration data, microprocessor 9 is responsible for the form that the baseband circuit part 22 of the reception submodule 2 that reads these data and be converted into DMB-TH receiving terminal 1 can be discerned, and the baseband circuit part 22 that passes to the reception submodule 2 of DMB-TH then is configured or controls.

Microprocessor 9 has connected sleeping/waking state switch 10 in addition, the state that the user can notify microprocessor 9 will enter dormancy or wake up by the state of sleeping/waking state switch 10.When microprocessor 9 receives the sleep signal of sleeping/waking state switch 10 notices, the radio circuit of reception submodule 2 that baseband circuit part 22, the DMB-TH receiving terminal 1 of the reception submodule 2 of Bluetooth communication submodule 3, DMB-TH receiving terminal 1 be set receives tuning part 21 and power management module 72 to power down mode, and but microprocessor 9 self also enters into power saving can receive the state of the wake-up signal of sleeping/waking status switch 10 again simultaneously; When microprocessor 9 receives the sleep signal of sleeping/waking state switch 10 notices, at first self-recovery is to operating state for microprocessor 9, and the radio circuit of reception submodule 2 that baseband circuit part 22, the DMB-TH receiving terminal 1 of the reception submodule 2 of Bluetooth communication submodule 3, DMB-TH receiving terminal 1 be set then receives tuning part 21 and power management module 72 to operating state.

Microprocessor 9 has connected reception submodule status indicator lamp (Light-Emitting Diode) 91 and the Bluetooth communication submodule status indicator lamp (Light-Emitting Diode) 92 of DMB-TH receiving terminal 1 in addition.When the baseband circuit part 22 of the reception submodule 2 of DMB-TH receiving terminal 1 and radio circuit receive tuning part 21 in operate as normal, microprocessor 6 is provided with the reception submodule status indicator lamp 91 of DMB-TH receiving terminal 1 for bright, when the baseband circuit part 22 of the reception submodule 2 of DMB-TH receiving terminal 1 and radio circuit receive tuning part 21 at power down mode, microprocessor 9 is provided with the reception submodule status indicator lamp 91 of DMB-TH receiving terminal 1 for dark, when the baseband circuit part 22 of the reception submodule 2 of DMB-TH receiving terminal 1 and radio circuit received tuning part 21 in operating state normally, microprocessor 9 was provided with the reception submodule status indicator lamp 91 of DMB-TH receiving terminal 1 for glimmering.Similarly, when Bluetooth communication submodule 3 during respectively in normal operating conditions, power down mode or abnormal operating state, microprocessor 9 is provided with Bluetooth communication submodule status indicator lamp 92 respectively and is bright, dark or flicker.

At last, microprocessor 9 was kept at user last time in the microprocessor 9 inner memories that connect to the data that the baseband circuit part 22 of the reception submodule 2 of DMB-TH receiving terminal 1 is provided with.Like this, disconnect the connection of Bluetooth communication submodule 3 and the bluetooth module of corresponding communication as the user after, microprocessor 9 is given tacit consent to the configuration data of use preservation last time during again connection.

Baseband circuit part 22 and radio circuit that power management module 72 has connected the reception submodule 2 of battery 71, Bluetooth communication submodule 3, DMB-TH receiving terminal 1 receive tuning part 21, microprocessor 9 and battery status indicator light (Light-Emitting Diode) 93.Power management module 72 receives electric energy by battery 71, and transforms out baseband circuit part 22 and the radio circuit reception tuning part 21 and the microprocessor 9 needed different operating voltages of the reception submodule 2 of bluetooth submodule 3, DMB-TH receiving terminal 1.Power management module 72 is detected the capacitance of storage of battery 71 simultaneously, and control battery status indicator light 93 is alarm condition when battery capacity is too low when being not enough to system's operate as normal, with reminding user to replace battery 71.

Fig. 6 illustrates the DMB-TH data communication flow process schematic diagram of a product embodiments that adopts this DMB-TH receiving terminal 1; The smart mobile phone 114 that comprises the product of DMB-TH receiving terminal 1 and have a Bluetooth function communicates by Bluetooth signal, especially, for the communication process of DMB-TH video data and DMB-TH modules configured and control data is described, suppose that here smart mobile phone 114 has moved the form intelligent movable mobile phone of Microsoft (Windows Mobile Smartphone) operating system.

The MPEG-2 TS transport stream 221 that comprises video/audio of demodulation is read from the baseband circuit part 22 of the reception submodule 2 of DMB-TH receiving terminal 1 by the firmware in the microprocessor 9 (firmware), add and to give Bluetooth communication submodule 3 codings after the information meet bluetooth profile even compression is sent, bluetooth communication by smart mobile phone 114 receives, the bluetooth module driver that operates in smart mobile phone 114 will decode in addition decompress(ion) after data give operating system, operating system is given the bluetooth protocol repertory parser analysis with data passes, solve the MPEG-2 TS transport stream that comprises video/audio, pass to the DMB-TH application software again, be interpreted as video by the DMB-TH application software, image, users such as sound directly can watch, the content of listening to.

The control data of DMB-TH receiving terminal 1 and status data 222 have comprised the data of both direction, promptly send to the control of DMB-TH receiving terminal 1 and data are set by smart mobile phone 114, and the status data of reading from DMB-TH receiving terminal 1 by smart mobile phone 114.Send to the control of DMB-TH receiving terminal 1 and data are set by smart mobile phone 114, send to the interpolation of bluetooth protocol repertory software from the DMB-TH application software and meet the information of bluetooth profile after give the bluetooth module driver by operating system, control bluetooth communication 3 sends.The information that the bluetooth communication of DMB-TH receiving terminal 1 receives is solved control and data is set by microprocessor 9 firmware, gives the baseband circuit part 22 of the reception submodule 2 of DMB-TH receiving terminal 1.The status data of being read from DMB-TH receiving terminal 1 by smart mobile phone 114 passes to the DMB-TH application software through the opposite flow direction, is not just explaining here.

Fig. 3 illustrates a schematic diagram of system applies.DMB-TH receiving terminal 1 receives from DMB-TH transmitting station 121 and is used for the China Digital TV terrestrial broadcasting modulation signal 131 of handheld device, and is converted into the MPEG-2 TS transport stream that comprises video flowing or audio stream or other data objects; The MPEG-2 TS transport stream that comprises video flowing or audio stream or other data objects that to present then is converted to Bluetooth modulation signal 132, communicates by letter with the notebook computer 111 that has Bluetooth function, the PMP112 that has Bluetooth function, the smart mobile phone 114 that has the PDA113 of Bluetooth function or have a Bluetooth function.

Fig. 7 illustrates first embodiment according to CMMB receiving terminal 1a of the present utility model, and comprising reception submodule 2a and a communicator module 3a of a CMMB receiving terminal 1a, it is according to known bluetooth (BT) standard operation.Can certainly be according to known Wi-Fi standard operation.

During according to known bluetooth (BT) standard operation, the reception submodule 2a of CMMB receiving terminal 1a has one and is used to receive CMMB signal (at 30 megahertzes in 3000 megahertz broadcasting service frequency ranges) and changes these signals the radio circuit that becomes the receivable intermediate-freuqncy signal of baseband circuit part 22a and receive tuning part 21a.These intermediate-freuqncy signals are converted into the data flow that comprises video flowing or audio stream or other data objects by a baseband circuit part 22a who is connected to radio circuit reception tuning part 21a.This process is simply introduced in the background technology part.Become known for the various signal processing methods of this purpose, just further do not explained here.

The communicator module 3a of BT comprises a radio circuit part 31a who is used at bluetooth frequency band (BT frequency band) reception and transmission signals, it approximately 2400 and 2483.5Mhz between frequency range, the baseband circuit part 32a that also comprises a BT, it has one the two-way connection of radio circuit part 31a and the BT signal that will send and receive according to the BT standard baseband circuit part 32a by BT is encoded and decodes, and is compressed in case of necessity and decompress(ion).The signal processing method that is used for this purpose also is known, has not therefore just further explained here.

The radio circuit that receives submodule 2a receives tuning part 21a and is connected to an antenna 4a.Antenna 4a is as the reception CMMB signal of terminal 1a.

The radio circuit part 31a of communicator module 3a is connected to an antenna 5a.Antenna 5a is as receiving and send Bluetooth signal.

Two

baseband circuit parts

22a, 32a receiving submodule 2a and communicator module 3a are connected to a microprocessor and external interface circuit 6a, receive submodule 2a and communicator module 3a swap data each other by it, can connect 61a and external equipment (not shown) swap data by an outside line as them.Receive submodule 2a and communicator module 3a and be designed to separate functional unit.

Therefore, reception submodule 2a by means of CMMB receiving terminal 1a, the CMMB signal can be received, be converted into the data flow that comprises video flowing or audio stream or other data objects, these data flow are fed to the communicator module 3a of BT then through microprocessor and external interface circuit 6a, so that after the signal that is converted to according to the BT standard code, through antenna 5a these data (are for example sent to another equipment, a smart mobile phone, a PDA etc.), this another equipment has and is used for interface that the BT code signal is received the decode.This equipment can further be handled the BT code signal that receives from it, obtain comprising the data flow of video flowing or audio stream or other data objects, give the form (image, sound, video or other information) that the application program that runs on this equipment can directly be used to be converted to the user then.

The data flow of the signal processing of CMMB on the other hand, gained can also be connected 61a with external interface circuit 6a by microprocessor and present to the equipment that does not have blue tooth interface (for example presenting to a PC by USB (USB)) with outside line.

But also might pass through antenna 5a and communicator module 3a, receive the BT signal from other according to equipment of BT standard code, shown in the BT signal be switched to base band, decoded and be connected 61a with outside line by microprocessor and external interface circuit 6a and be fed to and connectedly be used to control and/or the equipment of data communication then.On the contrary, microprocessor and external interface circuit 6a also can be designed for the circuit transmission of the data from external equipment to submodule 3a.

CMMB receiving terminal 1a is connected to power supply circuits 7, and especially, power supply circuits 7a comprises demountable battery or non-removable rechargeable battery.

Fig. 8 illustrates one second embodiment according to CMMB receiving terminal 1a of the present utility model, and wherein the reception submodule 2a of the separation shown in Fig. 7 and communicator module 3a are combined into a public submodule 8a.

This public submodule 8a comprises a common radio-frequency circuit part 81a who is respectively applied for CMMB signal and BT signal, with a public baseband circuit part 82a, common radio-frequency circuit part 81a merges the function that radio circuit receives tuning part part 21a and radio circuit part 31a, and public baseband circuit part 82a has merged according to the baseband circuit part 22a of Fig. 9 and the function of 32a.

In addition, also provide here as an antenna 4a and the antenna 5a shown in first embodiment, antenna 4a is as receiving the CMMB signal, and antenna 5a is used for receiving and sending Bluetooth signal.Simultaneously, in a second embodiment, explain that as above a microprocessor and external interface circuit 6a are also arranged, be used for connecting 61a and be connected with the two-way of miscellaneous equipment by outside line.

At last, in a second embodiment, explain that as above the interface that is connected with power supply circuits 7a is also arranged.

Fig. 9 illustrates the hardware capability calcspar of a product embodiments that adopts this CMMB receiving terminal 1a, wherein to receive tuning part 21a be circuit block independently to the radio circuit of CMMB receiving terminal 1a, and the baseband circuit part 22a of CMMB receiving terminal 1a also is a circuit block independently.

Bluetooth communication submodule 3a has merged the radio circuit part 31a and the baseband circuit part 32a of bluetooth as circuit block independently.Antenna 4a be used to be received in 30 megahertzes in the 3000 megahertz broadcasting service frequency ranges the CMMB signal and the radio circuit that passes to the reception submodule 2a of the CMMB that antenna 4a connects receive tuning part 21a.Antenna 5a be used to receive and send 2400 and 2483.5Mhz between Bluetooth signal and pass to the Bluetooth communication submodule 3a that antenna 5a connects.

Microprocessor 9a has connected baseband circuit part 22a and the Bluetooth communication submodule 3a of the reception submodule 2a of CMMB receiving terminal 1a, microprocessor 9a is responsible for being provided with the baseband circuit part 22a of reception submodule 2a of CMMB receiving terminal 1a and Bluetooth communication submodule 3a to the state that can work, receive the data flow that comprises video flowing or audio stream or other data objects that the baseband circuit part 22a of the reception submodule 2a of CMMB receiving terminal 1a sends, and encode to Bluetooth communication submodule 3a these data packet delivery even might compress.On the contrary, when passing through antenna 5a, when the opposing party that Bluetooth communication submodule 3a receives Bluetooth communication transmits the control that comes or configuration data, microprocessor 9a is responsible for reading these data and is converted into the form that the baseband circuit part 22a of the reception submodule 2a of CMMB receiving terminal 1a can discern, and the baseband circuit part 22a that passes to the reception submodule 2a of CMMB then is configured or controls.

Microprocessor 9a has connected sleeping/waking state switch 10a in addition, the state that the user can notify microprocessor 9a will enter dormancy or wake up by the state of sleeping/waking state switch 10a.When microprocessor 9a receives the sleep signal of sleeping/waking state switch 10a notice, the radio circuit of reception submodule 2a that baseband circuit part 22a, the CMMB receiving terminal 1a of the reception submodule 2a of Bluetooth communication submodule 3a, CMMB receiving terminal 1a be set receives tuning part 21a and power management module 72a to power down mode, and microprocessor 9a self also enters into the state that power saving still can receive the wake-up signal of sleeping/waking status switch 10a again simultaneously; When microprocessor 9a receives the sleep signal of sleeping/waking state switch 10a notice, at first self-recovery is to operating state for microprocessor 9a, and the radio circuit of reception submodule 2a that baseband circuit part 22a, the CMMB receiving terminal 1a of the reception submodule 2a of Bluetooth communication submodule 3a, CMMB receiving terminal 1a be set then receives tuning part 21a and power management module 72a to operating state.

Microprocessor 9a has connected reception submodule status indicator lamp (Light-Emitting Diode) 91a and Bluetooth communication submodule status indicator lamp (Light-Emitting Diode) 92a of CMMB receiving terminal 1a in addition.When the baseband circuit part 22a of the reception submodule 2a of CMMB receiving terminal 1a and radio circuit receive tuning part 21a in operate as normal, the reception submodule status indicator lamp 91a that microprocessor 6a is provided with CMMB receiving terminal 1a is bright, when the baseband circuit part 22a of the reception submodule 2a of CMMB receiving terminal 1a and radio circuit receive tuning part 21a at power down mode, microprocessor 9a is provided with the reception submodule status indicator lamp 91a of CMMB receiving terminal 1a for dark, when the baseband circuit part 22a of the reception submodule 2a of CMMB receiving terminal 1a and radio circuit received tuning part 21a in operating state normally, microprocessor 9a was provided with the reception submodule status indicator lamp 91a of CMMB receiving terminal 1 for glimmering.Similarly, as Bluetooth communication submodule 3a during respectively in normal operating conditions, power down mode or abnormal operating state, it is bright, dark or flicker that microprocessor 9a is provided with Bluetooth communication submodule status indicator lamp 92a respectively.

At last, microprocessor 9a was kept at user last time in the inner memory that connects of microprocessor 9a to the data that the baseband circuit part 22a of the reception submodule 2a of CMMB receiving terminal 1a is provided with.Like this, disconnect the connection of Bluetooth communication submodule 3a and the bluetooth module of corresponding communication as the user after, microprocessor 9a gives tacit consent to the configuration data of use preservation last time during again connection.

Baseband circuit part 22a and radio circuit that power management module 72a has connected the reception submodule 2a of battery 71a, Bluetooth communication submodule 3a, CMMB receiving terminal 1a receive tuning part 21a, microprocessor 9a and battery status indicator light (Light-Emitting Diode) 93a.Power management module 72a receives electric energy by battery 71a, and transforms out baseband circuit part 22a and radio circuit reception tuning part 21a and the needed different operating voltage of microprocessor 9a of the reception submodule 2a of bluetooth submodule 3a, CMMB receiving terminal 1a.Power management module 72a detects the capacitance of storage of battery 71a simultaneously, and control battery status indicator light 93a is an alarm condition when battery capacity is too low when being not enough to system's operate as normal, with reminding user to replace battery 71a.

Figure 10 illustrates the CMMB data communication flow process schematic diagram of a product embodiments that adopts this CMMB receiving terminal 1a; The smart mobile phone 114 that comprises the product of CMMB receiving terminal 1a and have a Bluetooth function communicates by Bluetooth signal, especially, for the communication process of CMMB video data and CMMB modules configured and control data is described, suppose that here smart mobile phone 114 has moved the form intelligent movable mobile phone of Microsoft (Windows Mobile Smartphone) operating system.

The data flow 221a that comprises video/audio of demodulation is read by the baseband circuit part 22a of the firmware among the microprocessor 9a (firmware) from the reception submodule 2a of CMMB receiving terminal 1a, add and to give Bluetooth communication submodule 3a coding after the information meet bluetooth profi le even compression is sent, bluetooth communication by smart mobile phone 114 receives, the bluetooth module driver that operates in smart mobile phone 114 will decode in addition decompress(ion) after data give operating system, operating system is given the bluetooth protocol repertory parser analysis with data passes, solve the data flow that comprises video/audio, pass to the CMMB application software again, be interpreted as video by the CMMB application software, image, users such as sound directly can watch, the content of listening to.

The control data of CMMB receiving terminal 1a and status data 222a have comprised the data of both direction, promptly send to the control of CMMB receiving terminal 1a and data are set by smart mobile phone 114, and the status data of reading from CMMB receiving terminal 1a by smart mobile phone 114.Send to the control of CMMB receiving terminal 1a and data are set by smart mobile phone 114, send to the interpolation of bluetooth protocol repertory software from the CMMB application software and meet the information of bluetooth profile after give the bluetooth module driver by operating system, control bluetooth communication 3a sends.The information that the bluetooth communication of CMMB receiving terminal 1a receives is solved control and data is set by microprocessor 9a firmware, gives the baseband circuit part 22a of the reception submodule 2a of CMMB receiving terminal 1a.Pass to CMMB application software from the status data that CMMB receiving terminal 1a reads through the opposite flow direction by smart mobile phone 114, just do not explaining here.

Fig. 7 illustrates a schematic diagram of system applies.CMMB receiving terminal 1a receives the DMB modulation signal CMMB131a of China Mobile from CMMB transmitting station 121a, and is converted into the data flow that comprises video flowing or audio stream or other data objects; The data flow that comprises video flowing or audio stream or other data objects that to present then is converted to Bluetooth modulation signal 132a, communicates by letter with the notebook computer 111 that has Bluetooth function, the PMP112 that has Bluetooth function, the smart mobile phone 114 that has the PDA113 of Bluetooth function or have a Bluetooth function.

Technology contents of the present invention and technical characterstic disclose as above, yet those skilled in the art still may be based on teaching of the present invention and announcement and done all do not deviate from replacement of the present invention and modification.Therefore, protection scope of the present invention should be not limited to the content that embodiment discloses, and should comprise various do not deviate from replacement of the present invention and modifications, and is contained by the claim of present patent application.

Claims

The reception of 1, China Digital TV terrestrial broadcasting (DMB-TH) and the method for transmission is characterized in that, comprising:

Receiving step, this step receive the DMB-TH signal and change these signals becomes the MPEG-2 TS transport stream that comprises video flowing or audio stream or other data objects;

Transfer step is converted to the MPEG-2 TS transport stream that comprises video flowing or audio stream or other data objects of presenting and is suitable for being transferred to a kind of form of external equipment and being sent to external equipment.
2, be used for the reception of China Mobile's DMB (CMMB) of handheld device and the method for transmission, it is characterized in that, comprising:

Receiving step, this step receive the CMMB signal and change these signals becomes the data flow that comprises video flowing or audio stream or other data objects;

Transfer step is converted to the data flow that comprises video flowing or audio stream or other data objects of presenting and is suitable for being transferred to a kind of form of external equipment and being sent to external equipment.
3, method as claimed in claim 1 or 2 is characterized in that: described receiving step and described transfer step are to have in the terminal of an independent current source one to finish.
4, method as claimed in claim 1 or 2 is characterized in that: in the described transfer step, adopt wired or wireless mode to transmit.
5, method as claimed in claim 4 is characterized in that: described wireless transmissioning mode comprises blue teeth wireless load mode or Wi-Fi wireless transmissioning mode.
6, the employed DMB-TH terminal of a kind of the method for claim 1, it is the DMB terminal that is used to realize above-mentioned China Digital TV terrestrial broadcasting (DMB-TH) receiving step and transfer step, it is characterized in that this DMB-TH terminal has a power supply and comprising independently:

Receive submodule, this reception submodule will receive the DMB-TH signal and change these signals becomes the MPEG-2 TS transport stream that comprises video flowing or audio stream or other data objects;

Communicator module, the MPEG-2 TS transport stream that comprises video flowing or audio stream or other data objects that this communicator module is presented receiver module are converted to and are suitable for being transferred to a kind of form of external equipment and being sent to external equipment.

Housing, this housing are used for taking up described reception submodule and communicator module and power supply, and wherein power supply is described reception submodule and described communicator module for power supply.
7, DMB-TH receiving terminal as claimed in claim 6, it is characterized in that, also comprise a microprocessor, described microprocessor is connected with the communicator module with the reception submodule, the operating state that receives submodule and communicator module is provided with, receives the MPEG-2 TS transport stream that comprises video flowing or audio stream or other data objects that submodule is sent; And encode even compress to the communicator module these data passes.
8, DMB-TH receiving terminal as claimed in claim 6, it is characterized in that, comprise a power management module in the described power supply, described power management module is connected with battery, reception submodule, communicator module and microprocessor, power management module receives electric energy by battery, and is converted into reception submodule, communicator module and the needed different operating voltage of microprocessor.
9, DMB-TH receiving terminal as claimed in claim 8 is characterized in that, in power management module, connects a battery status indicator light; Power management module is detected battery capacity simultaneously, when the too low deficiency of battery capacity so that system's operate as normal time control battery status indicator light is an alarm condition, with the reminding user to replace battery.
10, DMB-TH receiving terminal as claimed in claim 6 is characterized in that, described communicator module adopts wired or wireless mode to transmit signals to external equipment.
11, DMB-TH receiving terminal as claimed in claim 6 is characterized in that, the information data of described reception submodule processing gained can be connected with external circuit by microprocessor presents to external equipment.
12, DMB-TH receiving terminal as claimed in claim 11 is characterized in that, described microprocessor comprises the interface circuit that tool is realized communicator module and external equipment transmitted in both directions.
13, DMB-TH receiving terminal as claimed in claim 7, it is characterized in that, be provided with the sleeping/waking pattern in the described microprocessor, when microprocessor is in resting state, described reception submodule and communicator module are in power down mode, and simultaneously but microprocessor self also enters power saving state that again can the receiving belt wake-up signal; When microprocessor received wake-up signal, microprocessor at first self-recovery was provided with then and receives submodule and communicator module and power management module to operating state to operating state.
14, DMB-TH receiving terminal as claimed in claim 13 is characterized in that, the dormancy of described microprocessor and wake-up states are connected sleeping/waking state switch on the microprocessor by one and open realization.
15, DMB-TH receiving terminal as claimed in claim 7 is characterized in that, described microprocessor has also connected one and received submodule status indicator lamp and a communicator module status indicator light.
16, DMB-TH receiving terminal as claimed in claim 7, it is characterized in that, described microprocessor also comprises a memory, microprocessor is kept at the user in the memory to the data that receive the submodule setting, after the user disconnected the communicator module and the external equipment of corresponding communication connects, microprocessor was given tacit consent to the configuration data of use preservation last time during again connection.
17, as claim 6 or 7 described DMB-TH receiving terminals, it is characterized in that, described reception submodule comprises that one is used to receive the DMB-TH signal and changes the baseband circuit part that these signals become radio circuit reception tuning part and these intermediate-freuqncy signals of reception of the receivable intermediate-freuqncy signal of baseband circuit and are converted into the MPEG-2TS transmission stream signal that comprises video flowing or audio stream or other data objects.
18, DMB-TH receiving terminal as claimed in claim 17 is characterized in that, the MPEG-2 TS transport stream that comprises video flowing or audio stream or other data objects that described baseband circuit partly is converted into sends by a radio circuit.
19, DMB-TH receiving terminal as claimed in claim 17 is characterized in that, described radio circuit receives tuning part and connects an antenna, as receiving the DMB-TH signal.
20, as claim 6 or 7 described DMB-TH receiving terminals, it is characterized in that, described communicator module comprises that one is used to receive the radio circuit part that comprises control or configuration data signals and transmit the MPEG-2 TS transmission stream signal comprise video flowing or audio stream or other data objects, with one with the radio circuit part two-way be connected and can according to transmission of certain format standard and received signal the base band part of leading the way.
21, DMB-TH receiving terminal as claimed in claim 20 is characterized in that, described base band is led the way part can be to signal encoding and the decoding that sends and accept.
22, DMB-TH receiving terminal as claimed in claim 20 is characterized in that, described radio circuit partly connects an antenna, as the signal that receives and send certain format.
As claim 6 or 7 described DMB-TH receiving terminals, it is characterized in that 23, described communicator module comprises bluetooth (Bluetooth) submodule or comprises the Wi-Fi submodule.
24, DMB-TH receiving terminal as claimed in claim 23, it is characterized in that, described bluetooth submodule or Wi-Fi submodule bluetooth submodule or Wi-Fi submodule for the signal according to described bluetooth standard or Wi-Fi standard code is received the decode, described microprocessor is responsible for reading the opposing party that bluetooth submodule or Wi-Fi submodule receive Bluetooth communication or Wi-Fi communication and is transmitted control or the configuration data that comes and be converted into and receive the form that submodule can be discerned, and presents to receiving submodule to be configured or to control again.
25, the employed CMMB terminal of a kind of method as claimed in claim 2, be to be used to realize the receiving step of the above-mentioned China Mobile's DMB (CMMB) that is used for handheld device and the DVB-H terminal of transfer step, it is characterized in that this CMMB terminal has a power supply and comprising independently:

Receive submodule, this reception submodule will receive the CMMB signal and change these signals becomes the data flow that comprises video flowing or audio stream or other data objects;

Communicator module, the data flow that comprises video flowing or audio stream or other data objects that this communicator module is presented receiver module are converted to and are suitable for being transferred to a kind of form of external equipment and being sent to external equipment.

Housing, this housing are used for taking up described reception submodule and communicator module and power supply, and wherein power supply is described reception submodule and described communicator module for power supply.
26, CMMB receiving terminal as claimed in claim 25, it is characterized in that, also comprise a microprocessor, described microprocessor is connected with the communicator module with the reception submodule, the operating state that receives submodule and communicator module is provided with, receives the data flow that comprises video flowing or audio stream or other data objects that submodule is sent; And encode even compress to the communicator module these data passes.
27, CMMB receiving terminal as claimed in claim 25, it is characterized in that, comprise a power management module in the described power supply, described power management module is connected with battery, reception submodule, communicator module and microprocessor, power management module receives electric energy by battery, and is converted into reception submodule, communicator module and the needed different operating voltage of microprocessor.
28, CMMB receiving terminal as claimed in claim 27 is characterized in that, in power management module, connects a battery status indicator light; Power management module is detected battery capacity simultaneously, when the too low deficiency of battery capacity so that system's operate as normal time control battery status indicator light is an alarm condition, with the reminding user to replace battery.
29, CMMB receiving terminal as claimed in claim 25 is characterized in that, described communicator module adopts wired or wireless mode to transmit signals to external equipment.
30, CMMB receiving terminal as claimed in claim 25 is characterized in that, the information data of described reception submodule processing gained can be connected with external circuit by microprocessor presents to external equipment.
31, CMMB receiving terminal as claimed in claim 30 is characterized in that, described microprocessor comprises the interface circuit that tool is realized communicator module and external equipment transmitted in both directions.
32, CMMB receiving terminal as claimed in claim 26, it is characterized in that, be provided with the sleeping/waking pattern in the described microprocessor, when microprocessor is in resting state, described reception submodule and communicator module are in power down mode, and simultaneously but microprocessor self also enters power saving state that again can the receiving belt wake-up signal; When microprocessor received wake-up signal, microprocessor at first self-recovery was provided with then and receives submodule and communicator module and power management module to operating state to operating state.
33, CMMB receiving terminal as claimed in claim 32 is characterized in that, the dormancy of described microprocessor and wake-up states are connected sleeping/waking state switch on the microprocessor by one and open realization.
34, CMMB receiving terminal as claimed in claim 26 is characterized in that, described microprocessor has also connected one and received submodule status indicator lamp and a communicator module status indicator light.
35, CMMB receiving terminal as claimed in claim 26, it is characterized in that, described microprocessor also comprises a memory, microprocessor is kept at the user in the memory to the data that receive the submodule setting, after the user disconnected the communicator module and the external equipment of corresponding communication connects, microprocessor was given tacit consent to the configuration data of use preservation last time during again connection.
36, as claim 25 or 26 described CMMB receiving terminals, it is characterized in that, described reception submodule comprises that one is used to receive CMMB signal (at 30 megahertzes in 3000 megahertz broadcasting service frequency ranges) and changes these signals the radio circuit that becomes the receivable intermediate-freuqncy signal of baseband circuit and receives the baseband circuit part that tuning part and receives these intermediate-freuqncy signals and is converted into the traffic spike that comprises video flowing or audio stream or other data objects.
37, CMMB receiving terminal as claimed in claim 36 is characterized in that, the data flow that comprises video flowing or audio stream or other data objects that described baseband circuit partly is converted into sends by a radio circuit.
38, CMMB receiving terminal as claimed in claim 36 is characterized in that, described radio circuit receives tuning part and connects an antenna, as receiving the CMMB signal.
39, as claim 25 or 26 described CMMB receiving terminals, it is characterized in that, described communicator module comprises that one is used to receive the radio circuit part that comprises control or configuration data signals and transmit the traffic spike comprise video flowing or audio stream or other data objects, with one with the radio circuit part two-way be connected and can according to transmission of certain format standard and received signal the base band part of leading the way.
40, CMMB receiving terminal as claimed in claim 39 is characterized in that, described base band is led the way part can be to signal encoding and the decoding that sends and accept.
41, CMMB receiving terminal as claimed in claim 39 is characterized in that, described radio circuit partly connects an antenna, as the signal that receives and send certain format.
As claim 25 or 26 described CMMB receiving terminals, it is characterized in that 42, described communicator module comprises bluetooth (Bluetooth) submodule or comprises the Wi-Fi submodule.
43, CMMB receiving terminal as claimed in claim 42, it is characterized in that, described bluetooth submodule or Wi-Fi submodule bluetooth submodule or Wi-Fi submodule for the signal according to described bluetooth standard or Wi-Fi standard code is received the decode, described microprocessor is responsible for reading the opposing party that bluetooth submodule or Wi-Fi submodule receive Bluetooth communication or Wi-Fi communication and is transmitted control or the configuration data that comes and be converted into and receive the form that submodule can be discerned, and presents to receiving submodule to be configured or to control again.