CN101383763A - Signal converting method and system for mobile equipment - Google Patents
Signal converting method and system for mobile equipment Download PDFInfo
- Publication number
- CN101383763A CN101383763A CNA2008101659487A CN200810165948A CN101383763A CN 101383763 A CN101383763 A CN 101383763A CN A2008101659487 A CNA2008101659487 A CN A2008101659487A CN 200810165948 A CN200810165948 A CN 200810165948A CN 101383763 A CN101383763 A CN 101383763A
- Authority
- CN
- China
- Prior art keywords
- data
- retransmission unit
- receiving system
- module
- data processing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a mobile terminal signal transfer method and the system thereof, the system is used for processing the data of a streaming media RTP packet and transferring the data to an output device, the system comprises a transfer device on the mobile terminal side and a receiving device, the transfer device processes the streaming media data solely or jointly with the receiving device, so that the processed data can be adaptive for being played on the output device, the transfer device is connected with the receiving device by ultra-broadband technology so as to transfer the data on the mobile terminal side to the output device side. The method and the system of the invention can provide audio-video service with higher definition and higher quality.
Description
Technical field
The present invention relates to the mobile phone flow medium field, in particular a kind of method and system of mobile device signal converting.
Background technology
Along with the development of mobile communication technology, being that the mobile phone flow medium of representative is professional with MBMS (Multimedia Broadcast/MulticastService, multimedia broadcast-multicast service) mobile TV is more and more known by people, and liked by people.Can predict future soon, under the mobile communication transmission bandwidth of constantly widening and chip integrated technology with rapid changepl. never-ending changes and improvements promote, wireless audio and video data service signal transfer quality and transmission size all will have qualitative leap.Yet because the requirement of mobile phone terminal portability, the puzzlement of problem such as it is little that the mobile phone flow medium business all will be subjected to terminal display all the time, and the voice output quality is restricted.If can be transferred to by the wireless audio and video data that mobile devices such as mobile phone transmission comes on the output equipment such as television set, bring breakthrough can for undoubtedly this data service development.
The present invention is exactly will be by short range wireless transmission technology of new generation---and UWB (UltraWideband, ultra broadband) technology realizes the output signaling transfer point of audio, video data equipment such as from the mobile phone terminal to the television set.Super-broadband tech is called the pulse wireless power technology again, what use is pulse modulation---width is in fast rise and the falling pulse of nanosecond (1n s=10-9s), the frequency spectrum that pulse covers, can directly be delivered to antenna behind the pulse-shaping and launch up to GHz from direct current.The pulse spacing (pulse peak peak time) that the UWB technology is used, the shape of frequency spectrum can be adjusted as required generally at 10～100 femtoseconds (1ps=10-12S).The UWB signal is sparse distribution on time shaft, and its power spectral density is quite low; And multichannel UWB signal can be sent together and do not interfere with each other, UWB can reach the message transmission rate more than the 100Mbps with extremely low spectral density in building.Unaffected in order to guarantee national defense facility and gps satellite, according to the regulation of FCC (Federal Communications Commission, Federal Communications Commission), the frequency range that UWB uses at 3.1GHz between the 10.6GHz.Because many excellent characteristics of UWB technology make it that wide application prospect be arranged, technology such as the Wireless USB that receives much concern in the recent period, WirelessIEEE 1394, UWB BlueTooth all are structured on the UWB technology.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method and system of mobile device signal converting output, so that more high definition and high-quality audio frequency and video business service to be provided.
In order to address the above problem, the invention provides a kind of portable terminal Signal Switching System, this system is used for Streaming Media RTP bag is carried out data processing and is transferred to output equipment, comprise the retransmission unit that is positioned at mobile terminal side and be positioned at the receiving system of output equipment side, described retransmission unit and described receiving system are finished the processing to stream medium data jointly or separately, so that the data adapting after handling is play at output equipment, described retransmission unit is connected with described receiving system by super-broadband tech, with the mobile terminal side data forwarding to the output equipment side.
Further, described retransmission unit comprises Streaming Media module and forwarding module, described receiving system comprises receiver module and data processing module, wherein the Streaming Media module of retransmission unit is used for the receiving stream media RTP bag from mobile communication network, also be used for finishing jointly framing, decoding and the simultaneous operation of stream medium data with the data processing module of receiving system, described forwarding module and receiver module are used to carry out ultra-wide band communication to be consulted, and set up the ultra-wide band communication link, and finish the transmission of data respectively and receive operation.
Further, described Streaming Media module is to receive the RTP bag from the SOCKET of portable terminal.
Further, the Streaming Media module of described retransmission unit is used for the RTP bag is cushioned the framing operation, described forwarding module is used for giving described receiver module with the data forwarding behind the framing, and the data processing module of described receiving system is used for the data that receive are decoded and simultaneous operation.
Further, the Streaming Media module of described retransmission unit is used for the RTP bag is carried out framing, decoding, described forwarding module is used for decoded audio, video data and synchronizing information are transmitted to described receiver module, and described data processing module is used for the data based synchronizing information that receives is carried out simultaneous operation.
For solving the problems of the technologies described above, the present invention also provides a kind of mobile device signal forwarding method, this method realizes based on the mobile device Signal Switching System, described adapting system comprises the retransmission unit that is positioned at mobile terminal side and is positioned at the receiving system of output equipment side that this method may further comprise the steps:
(a) data processing step refers to the media stream data of portable terminal is handled, so that the data adapting after handling is play at output equipment, is finished jointly or separately by retransmission unit and receiving system;
(b) data switching step refers to that retransmission unit and receiving system arrive the output equipment side by super-broadband tech with the mobile terminal side data forwarding.
Described data switching step further comprises: described retransmission unit and receiving system carry out ultra-wide band communication to be consulted, and sets up the ultra-wide band communication link; And the ultra-wide band communication link of retransmission unit and receiving system utilization foundation sends or receives data.
Further, also comprise before the described data processing step: described retransmission unit receives the RTP bag from mobile communication network, and described data processing comprises finishes framing, decoding and simultaneous operation to the RTP bag that receives.
Described data processing step further comprises: described retransmission unit cushions the framing operation to the RTP bag that receives from mobile communication network, and described receiving system is decoded and simultaneous operation to the data that receive.
Described data processing step further comprises: described retransmission unit carries out framing, decoding to the RTP bag that receives from mobile communication network, and described receiving system carries out simultaneous operation to the data based synchronizing information that receives.
Compared to prior art, system and method of the present invention utilizes the UWB technology can be quickly and efficiently the audio-video frequency content of the streaming media service on the mobile device (as mobile phone, video telephone) to be transferred to TV, computer etc. to have on the output equipment than large display screen, thereby provides more high definition and high-quality audio frequency and video business service for the user.
Description of drawings
Fig. 1 is the schematic block diagram of mobile device Signal Switching System of the present invention.
Fig. 2 is the concrete application schematic diagram of mobile device Signal Switching System of the present invention.
Fig. 3 is the flow chart of mobile device signal converting method of the present invention when the A mode of operation.
Fig. 4 is the flow chart of mobile device signal converting method of the present invention when the B mode of operation.
Fig. 5 is the flow chart of mobile device signal converting method of the present invention when the C mode of operation.
Fig. 6 is the workflow diagram that mobile device Signal Switching System of the present invention has three kinds of optional mode of operations simultaneously.
Embodiment
Mobile device Signal Switching System of the present invention is used for wrapping go forward side by side line data processing and switching output equipment from mobile communication network receiving stream media RTP, as shown in Figure 1, adapting system of the present invention comprises retransmission unit that is positioned at the mobile device side and the receiving system that is positioned at the output equipment side, wherein
Described retransmission unit is used for the bag from the receiving stream media RTP of mobile communication network, and finishes processing to Streaming Media RTP data jointly or separately by retransmission unit or receiving system, so that the data adapting after handling plays at output equipment,
Described retransmission unit is connected with described receiving system by super-broadband tech, with the mobile terminal side data forwarding to the output equipment side.The portable terminal side data here refers to that retransmission unit was handled or the untreated data that will send to receiving system.
When carrying out data processing operation, carry out data processing, or carry out data processing by framing, order synchronous, decoding by framing, decoding, synchronous order.Under the synchronous again processing mode of decoding earlier, finish data processing jointly by retransmission unit and receiving system and comprise following two kinds of situations:
1. the framing operation is finished by retransmission unit, and decode operation and simultaneous operation are finished by receiving system;
2. framing and decode operation are finished by retransmission unit, and simultaneous operation is finished by receiving system;
Data signaling transfer point from the mobile device to the output equipment is finished jointly by retransmission unit and receiving system, after retransmission unit and receiving system carry out UWB communication negotiation, set up the UWB communication link, and mobile device effluent media data is forwarded to the output equipment side before utilizing this link to handle or in handling.
Below mobile device side retransmission unit and output equipment side joint receiving apparatus are introduced respectively.
Retransmission unit:
This retransmission unit is integrated in mobile device portable equipment inside such as (as mobile phones), as shown in Figure 2,, main being responsible for is forwarded to output equipment side signal receiving module with the audio-video signal of mobile devices such as mobile phone by the UWB technology audio-video signal of will being correlated with.
Retransmission unit comprises Streaming Media module and forwarding module, and wherein, the Streaming Media module adopts portable terminal (mobile phone) in house software to realize, is used for being responsible for customization, management and the reception (and parsing) of the streaming media service audio-video signal based on wireless mobile transmission.And forwarding module is the signal transmitting module that has adopted the UWB technology.
Below be that example is elaborated with the mobile phone.
The mechanism of this retransmission unit comprises following three kinds of patterns:
A pattern: forwarding module directly receives the Streaming Media module from mobile phone SOCKET RTP (Real-time Transport Protocol RTP) bag is forwarded to receiving system by UWB.
B pattern: behind the Streaming Media module reception RTP bag, finish RTP bag buffering, framing, by forwarding module the original audio/video frames of not finishing decoding as yet is forwarded to receiving system by UMB again to the RTP bag.
The C pattern: the Streaming Media module is finished RTP package frame, decoding to the RTP bag after receiving the RTP bag, by forwarding module decoded audio, video data is sent with the form of audio frame, frame of video by UWB again, sends the audio/video frames synchronizing information simultaneously.
Synchronizing information is meant the information of explanation packet time in the RTP stem timestamp field, is defined by the RTP host-host protocol.
More than be to be that example describes, can certainly decode again synchronously earlier, but with respect to process of decoding mode more synchronously earlier with the first synchronous again processing mode of decoding, decoding earlier carry out again synchronous processing mode more industry know and approve.
Receiving system:
This receiving system is external on the output equipments such as television terminal or computer terminal, as shown in Figure 2, the main audio-video signal of being responsible for receiving from the forwarding of mobile device side retransmission unit, and the audio-video signal that receives handled, broadcasting at output equipment, corresponding, this receiving system also comprises data processing module and receiver module, the mode of operation of corresponding retransmission unit, receiving system also has four kinds of mode of operations:
When learning that retransmission unit is operated in the A pattern, after receiver module received audio-video signal in the RTP bag, data processing module carried out sending to after framing, decoding, the Synchronous Processing output equipment such as television set and plays.
When learning retransmission unit work B pattern, after receiver module received and not finish the audio/video frames of decoding as yet, data processing module decoded, synchronously after, send to output equipment such as television set and play.
When learning retransmission unit work C pattern, after receiver module receives and finished the audio/video frames signal of decoding, after carrying out synchronously according to synchronizing information, data processing module sends to output equipment broadcasts such as television set.
More than said Mode A, can think that data processing is independently to be finished by the data processing module of receiving system.And under Mode B and the C, data processing is to be finished jointly by the Streaming Media module of retransmission unit and the data processing module of receiving system.
Output equipment refers to common television set, computer etc., is responsible for playing the audio-video signal from the input of audio-video signal receiving system.If receiving system is connected on outward with the form of receiver on the output equipment such as television set, receiving system can utilize existing such as television set Audio, Video input port, realize that very easily stream medium audio and video signal after will be synchronously exports equipment such as television set to and plays, output equipment such as television set does not need to do any change and just can be competent at its output function in system like this.
The pattern of mobile device side retransmission unit and output equipment side joint receiving apparatus can be any in above three kinds of patterns in the system, that is to say that a kind of pattern that same system only need possess wherein just can finish the function of mobile phone stream media audio and video signal converting to output equipments such as television sets.Different is that three kinds of patterns are different to the complexity requirement of output equipment side joint receiving apparatus.The receiving system that is operated in the A pattern needs integrated framing, decoding, function such as synchronous, and is therefore the most complicated.But, mobile device (as the mobile phone) load of the built-in retransmission unit of work A pattern is lighter relatively, also relatively power saving.Under this pattern, mobile phone can be regarded the receiver and the descrambler of the audio-video signal that comes from mobile communications network as, and function is had a few the set-top box near Digital Television.Relative, the receiving system under the C pattern is the simplest, but the work that this moment, retransmission unit will be finished is just more.If possessed above-mentioned two or more mode of operation simultaneously in the same repeater system certainly, just needed the user in the mobile device side selected mode of operation to be set earlier before system works, notice receiving system startup corresponding work mode gets final product when the UWB transmission link is set up then.
Corresponding with above mobile device Signal Switching System, mobile device signal converting method of the present invention comprises step:
Step 1: data processing step, finger is handled the media stream data of portable terminal, comprise Streaming Media RTP bag is carried out framing, decoding and simultaneous operation,, finish jointly or separately by retransmission unit and receiving system so that the data adapting after handling is play at output equipment;
Step 2: data switching step refers to that retransmission unit and receiving system arrive the output equipment side by super-broadband tech with the mobile terminal side data forwarding.Data switching step further comprises: retransmission unit and receiving system carry out the UWB communication to be consulted, and sets up the UWB communication link; The ultra-wide band communication link that retransmission unit and receiving system utilization are set up sends or receives data.
Below adopt the forwarding method of each pattern to describe one by one to switching device:
When (1) being operated in the A pattern:
Mobile device signal converting method of the present invention may further comprise the steps, as shown in Figure 3:
Step 301: the Streaming Media module of retransmission unit receives from the next audio frequency and video RTP packet of mobile communication network transmission from mobile phone socket (socket) mouthful;
Step 302: forwarding module and receiver module connect on the UWB communication link, and begin to transmit the RTP packet;
Step 303: the data processing unit of receiving system is classified the RTP bag that receives and is finished framing work by audio pack, video packets;
Step 304: the data processing unit of receiving system will finish that audio/video frames data behind the framing deliver to respectively that audio/video decoder is decoded and synchronously;
Step 305: will finish decoding and synchronously after audio, video data send output equipment such as television set to play.
When (2) being operated in the B pattern:
Mobile device signal converting method of the present invention may further comprise the steps, as shown in Figure 4:
Step 401: the Streaming Media module of retransmission unit receives from the next audio frequency and video RTP packet of mobile communication network transmission from mobile phone socket mouth;
Step 402: the Streaming Media module of retransmission unit is classified the RTP bag that receives and is finished framing work by audio pack, video packets;
Step 403: forwarding module and receiver module connect on the UWB communication link, and begin to transmit the audio/video frames data that still do not have decoding;
Step 404: the audio/video frames data that will still not have decoding that the data processing unit of receiving system will receive send the audio/video decoder in the receiver to decode with synchronously respectively;
Step 405: will finish decoding and synchronously after audio, video data send output equipment such as television set to play.
When (3) being operated in the C pattern:
Mobile device signal converting method of the present invention may further comprise the steps, as shown in Figure 5:
Step 501: the Streaming Media module of retransmission unit receives from the next audio frequency and video RTP packet of mobile communication network transmission from mobile phone socket mouth;
Step 502: the Streaming Media module of retransmission unit is classified the RTP bag that receives and is finished framing work by audio pack, video packets;
Step 503: the audio/video frames data that the Streaming Media module of retransmission unit will be finished behind the framing send the audio/video decoder in the mobile phone to decode respectively;
Step 504: forwarding module and receiver module connect on the UWB communication link, and begin transmission and finish decoded audio/video frames data and audio/video frames synchronizing information;
Step 505: output equipments such as sending television set after the audio/video frames data sync that receives is play.
Fig. 6 is that the retransmission unit in the adapting system of the present invention is built in the mobile phone, and has the workflow diagram of three kinds of mode of operations simultaneously.
The present invention uses the radio bearer that emerging UWB technology transmits as audio-video signal and does not adopt technology such as bluetooth 2.0, be along with the increase of mobile communication bandwidth and the continuous development of stream media technology because of the mobile phone flow medium business, the user will certainly be more and more higher to requirements such as the definition of Streaming Media audio-video frequency content, audio frequency and video quality, picture size, requires the required bandwidth that takies of stream medium audio and video transmission also just increasing and satisfy this.At present, common high definition television uses 3 to 7Mbps transmission rate, and HDTV then adopts 19 to 24Mbps transmission rate.The technology such as bluetooth 2.0 that transmission bandwidth has only 2M bps may some be unable to do what one wishes on multimedia transmission.And UWB in ten meters up to 480Mbps, in building, reach obviously more competent this role of message transmission rate more than the 100Mbps.
Compared to prior art, system and method for the present invention utilize the UWB technology can be quickly and efficiently with The audio-video frequency content of the streaming media service on the mobile device (such as mobile phone, videophone) be transferred to TV, Computers etc. have on the output equipment than large display screen, thereby provide more fine definition and high-quality for the user The audio frequency and video business service of amount.
Claims (10)
1, a kind of portable terminal Signal Switching System, it is characterized in that: this system is used for Streaming Media RTP bag is carried out data processing and is transferred to output equipment, comprise the retransmission unit that is positioned at mobile terminal side and be positioned at the receiving system of output equipment side, described retransmission unit and described receiving system are finished the processing to stream medium data jointly or separately, so that the data adapting after handling is play at output equipment, described retransmission unit is connected with described receiving system by super-broadband tech, with the mobile terminal side data forwarding to the output equipment side.
2, the system as claimed in claim 1, it is characterized in that: described retransmission unit comprises Streaming Media module and forwarding module, described receiving system comprises receiver module and data processing module, wherein the Streaming Media module of retransmission unit is used for the receiving stream media RTP bag from mobile communication network, also be used for finishing jointly framing, decoding and the simultaneous operation of stream medium data with the data processing module of receiving system, described forwarding module and receiver module are used to carry out ultra-wide band communication to be consulted, and set up the ultra-wide band communication link, and finish the transmission of data respectively and receive operation.
3, system as claimed in claim 2 is characterized in that: described Streaming Media module is to receive the RTP bag from the SOCKET of portable terminal.
4, system as claimed in claim 2, it is characterized in that: the Streaming Media module of described retransmission unit is used for the RTP bag is cushioned the framing operation, described forwarding module is used for giving described receiver module with the data forwarding behind the framing, and the data processing module of described receiving system is used for the data that receive are decoded and simultaneous operation.
5, system as claimed in claim 2, it is characterized in that: the Streaming Media module of described retransmission unit is used for the RTP bag is carried out framing, decoding, described forwarding module is used for decoded audio, video data and synchronizing information are transmitted to described receiver module, and described data processing module is used for the data based synchronizing information that receives is carried out simultaneous operation.
6, a kind of mobile device signal forwarding method, it is characterized in that, this method realizes that based on the mobile device Signal Switching System described adapting system comprises the retransmission unit that is positioned at mobile terminal side and be positioned at the receiving system of output equipment side that this method may further comprise the steps:
(a) data processing step refers to the media stream data of portable terminal is handled, so that the data adapting after handling is play at output equipment, is finished jointly or separately by retransmission unit and receiving system;
(b) data switching step refers to that retransmission unit and receiving system arrive the output equipment side by super-broadband tech with the mobile terminal side data forwarding.
7, method as claimed in claim 6 is characterized in that, described data switching step further comprises: described retransmission unit and receiving system carry out ultra-wide band communication to be consulted, and sets up the ultra-wide band communication link; And the ultra-wide band communication link of retransmission unit and receiving system utilization foundation sends or receives data.
8, method as claimed in claim 6 is characterized in that, also comprises before the described data processing step: described retransmission unit receives the RTP bag from mobile communication network, and described data processing comprises finishes framing, decoding and simultaneous operation to the RTP bag that receives.
9, system as claimed in claim 8, it is characterized in that, described data processing step further comprises: described retransmission unit cushions the framing operation to the RTP bag that receives from mobile communication network, and described receiving system is decoded and simultaneous operation to the data that receive.
10, system as claimed in claim 8, it is characterized in that, described data processing step further comprises: described retransmission unit carries out framing, decoding to the RTP bag that receives from mobile communication network, and described receiving system carries out simultaneous operation to the data based synchronizing information that receives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101659487A CN101383763A (en) | 2008-09-25 | 2008-09-25 | Signal converting method and system for mobile equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101659487A CN101383763A (en) | 2008-09-25 | 2008-09-25 | Signal converting method and system for mobile equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101383763A true CN101383763A (en) | 2009-03-11 |
Family
ID=40463392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101659487A Pending CN101383763A (en) | 2008-09-25 | 2008-09-25 | Signal converting method and system for mobile equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101383763A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102075728A (en) * | 2011-01-18 | 2011-05-25 | 中兴通讯股份有限公司 | Method and system for sharing audio and/or video data |
| WO2016082607A1 (en) * | 2014-11-24 | 2016-06-02 | 中兴通讯股份有限公司 | Call transfer method and device |
| CN105794178A (en) * | 2013-12-05 | 2016-07-20 | 高通股份有限公司 | Wireless media sharing from multiple sources to a single sink |
| CN109257641A (en) * | 2018-09-05 | 2019-01-22 | 福建星网智慧科技股份有限公司 | Wireless screen transmission sound intermediate frequency and video synchronization method and system |
| CN113177008A (en) * | 2021-04-08 | 2021-07-27 | 青岛歌尔智能传感器有限公司 | Data transmission circuit and device |
| CN113706729A (en) * | 2021-08-24 | 2021-11-26 | Oppo广东移动通信有限公司 | Parking management method, device and system, computer readable medium and electronic equipment |
-
2008
- 2008-09-25 CN CNA2008101659487A patent/CN101383763A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102075728A (en) * | 2011-01-18 | 2011-05-25 | 中兴通讯股份有限公司 | Method and system for sharing audio and/or video data |
| US9088635B2 (en) | 2011-01-18 | 2015-07-21 | Zte Corporation | Method and system for sharing audio and/or video |
| CN102075728B (en) * | 2011-01-18 | 2015-08-12 | 中兴通讯股份有限公司 | The method and system of a kind of shared audio frequency and/or video |
| CN105794178A (en) * | 2013-12-05 | 2016-07-20 | 高通股份有限公司 | Wireless media sharing from multiple sources to a single sink |
| WO2016082607A1 (en) * | 2014-11-24 | 2016-06-02 | 中兴通讯股份有限公司 | Call transfer method and device |
| CN109257641A (en) * | 2018-09-05 | 2019-01-22 | 福建星网智慧科技股份有限公司 | Wireless screen transmission sound intermediate frequency and video synchronization method and system |
| CN113177008A (en) * | 2021-04-08 | 2021-07-27 | 青岛歌尔智能传感器有限公司 | Data transmission circuit and device |
| CN113706729A (en) * | 2021-08-24 | 2021-11-26 | Oppo广东移动通信有限公司 | Parking management method, device and system, computer readable medium and electronic equipment |
| CN113706729B (en) * | 2021-08-24 | 2023-09-15 | Oppo广东移动通信有限公司 | Parking management method, device, system, computer readable medium and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1251502C (en) | Mobile multimedia terminal for DVB-T and large and small cell communication | |
| US9363548B2 (en) | System and method for providing a personal broadcasting service using a mobile communication terminal | |
| US20100263012A1 (en) | Layered Coded Streaming Control For Unicast/MBMS Interaction | |
| EP1420593A3 (en) | Receiver | |
| CN101383763A (en) | Signal converting method and system for mobile equipment | |
| KR100744356B1 (en) | Packet Based Re-Trnasporting System For DMB Service And Its Apparatus | |
| TW201338614A (en) | Hybrid receivers and transmitters, and information feedback methods thereof | |
| JP2006135987A (en) | Digital broadcasting data providing apparatus and method using wireless lan, and wireless terminal device | |
| KR20130061119A (en) | Audio-visual data transmission over internet protocol at higher rates | |
| JP2007214985A (en) | Media stream switching method, system and program in seamless handover | |
| CN101163226B (en) | Method and system for implementing mobile video session using WiMAX network | |
| CN109804639B (en) | Electronic device and method for connectionless wireless media broadcast | |
| CN105453572A (en) | Method and apparatus for rate adaptation in motion picture experts group media transport | |
| EP2031906B1 (en) | Location of packet data convergence protocol in a long-term evolution multimedia broadcast multicast service | |
| CN101453286B (en) | Method for digital audio multiplex transmission in multimedia broadcasting system | |
| CN101072269A (en) | Method and system for realizing coice transmission | |
| CN201435790Y (en) | Wireless multi-carrier vehicle bidirectional audio-video and data transmission device | |
| KR102128904B1 (en) | Wireless converting system for Wi-Fi video transmitter and LTE/5G public transmitter utilizing an H.264 to an HEVC/H.265 transcoder technology | |
| JP2009100378A (en) | Mobile terminal with video telephone function, image transmission method, and program | |
| CN202721772U (en) | Integrated IP input SDI output decoder | |
| CN201398244Y (en) | DVB-S and WiMAX interactive communication base station | |
| KR20100016836A (en) | Wireless usb type transmitter, wireless usb type receiver and wireless usb type transceiver | |
| CN101296160A (en) | Device and method for network receiving terminal communication through internet | |
| CN101378485A (en) | Visual telephone mobile phone device base on 2.5G |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20090311 |