CN1832567A - Portable terminal communication quality protecting equipment and method thereof - Google Patents
Portable terminal communication quality protecting equipment and method thereof Download PDFInfo
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- CN1832567A CN1832567A CNA2006100572097A CN200610057209A CN1832567A CN 1832567 A CN1832567 A CN 1832567A CN A2006100572097 A CNA2006100572097 A CN A2006100572097A CN 200610057209 A CN200610057209 A CN 200610057209A CN 1832567 A CN1832567 A CN 1832567A
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- 238000004891 communication Methods 0.000 title claims abstract description 119
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- 238000007906 compression Methods 0.000 claims description 67
- 238000012217 deletion Methods 0.000 claims description 37
- 230000037430 deletion Effects 0.000 claims description 37
- 238000001514 detection method Methods 0.000 claims description 27
- 238000010295 mobile communication Methods 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 17
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
- H04L43/0847—Transmission error
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
- H04W76/38—Connection release triggered by timers
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Abstract
The present invention relates to device and method of ensuring the communication quality of portable terminal, and especially cutting off the calling connection in case of being unable to send and receive image signal automatically to avoid excessive expense. The method includes the following steps: a step of calling connection to relevant base station and setting multimedia signal transmitting path; a step of inputting the image signal in frame unit; a step of compressing the input frame image signal for radio transmission; a step of deleting input frame image signal and releasing the calling connection after frame deleting time number is accumulated to exceed the set value.
Description
Technical field
The present invention relates to the communication quality protective device and the method for portable terminal device; relate in particular under the multimedia communication state of portable terminal device; automatically cut off to call out when the above error in data of both sizings takes place and connect; particularly monitor the data processing and the load of portable terminal device; when being in improper multimedia communication, the calling that automatic cut-out has connected.
Background technology
Tracking exchage portable terminal (MS:MOBILE STATION) moves freely in corresponding base station (RAN:RADIO ACCESS NETWORK) the formed service area (SERVICEAREA) of the system that is added, and by monitor by mobile switching centre (MSC:MOBILE SWITCHINGCENTER), control and exchange (SWITCHING) formed communication network carry out wireless connections timely with the other side whenever and wherever possible and communicate by letter, and be the most advanced and sophisticated wireless communication apparatus that the individual can carry and move everywhere.
The formed service area in above-mentioned base station (RAN) is limited, therefore, need set a plurality of base stations continuously with certain spacing and form national mobile communication service area, and the utilization state of above-mentioned a plurality of base stations is subjected to the control and the supervision of mobile switching centre.
Set and use the mobile communication system of aforesaid a plurality of base station (RAN) to have very expensive mobile communication service and utilize expense.
Above-mentioned mobile communication system, the first generation mobile communication terminal that can only utilize voice signal to communicate by the initial stage, develop into the second generation mobile communication terminal that also can utilize word message to carry out data communication, and developed into now the 3G (Third Generation) Moblie terminal of utilizing the multi-media signal that comprises voice signal, letter signal, signal of video signal to communicate.
During channel transmission data that above-mentioned 3G (Third Generation) Moblie terminal system utilization distributes, there is not too many error in data, therefore, provider needs more expense in order to keep stable system, and utilizes the communication cost of multimedia mode of above-mentioned channel also more expensive.
Portable terminal is made for mobility and portability trend towards miniaturization gradually, so the little structure of volume is restricted, and the disposal ability of correlated resources (RESOURCE) such as processor and memory is restricted.
The multimedia communication of above-mentioned portable terminal device is according to the variation of surrounding environment, and mistake takes place in the multi-medium data of wireless transmission to transmit, or according to the limited load that increases of the disposal ability of portable terminal device, so can't operate as normal.
When above-mentioned portable terminal device detects error in data in the multimedia communication process, request transmits again repeatedly, and is when load (LOAD) increases, limited and can not carry out under the state of proper communication according to disposal ability, also continue to occupy channel, therefore have the problem of the communication cost of overpayment.
Therefore, when having surpassed according to the allowed band of the transmission mistake of the variation of surrounding environment or because of load (LOAD) increases can not normally carry out multimedia data communication the time, need develop automatic cut-out call out (CALL) thus protection user's technology.
Describe below in conjunction with the communication cut-out mode of accompanying drawing the portable terminal device of prior art.
Fig. 1 is the function constitution map of common mobile communication system, and Fig. 2 is the flow chart according to the communication cutting-off method of the portable terminal device of prior art.
As shown in Figure 1, the operation principle of common mobile communication system is as follows: portable terminal device 10 moves freely in base station (RAN) 20 formed service areas (SERVICE AREA), carries out wireless connections and conversation with the other side whenever and wherever possible.
Above-mentioned base station 20 formed service areas are limited, therefore, need set a plurality of base stations 20 continuously with certain spacing and form national mobile communication service area, and the utilization state of above-mentioned a plurality of base station 20 is subjected to the control and the supervision of mobile switching centre 30, the adding information and the registration location of portable terminal devices 10 stored in above-mentioned mobile switching centre 30 records, thereby the mobile communication service by relevant base station 20 is provided.
The other side that above-mentioned portable terminal device 10 requests connect adds when being registered in other communication system, and above-mentioned mobile switching centre 30 controls Kongzhongs 40 and is connected with the related communication net, thereby above-mentioned portable terminal device 10 is connected with the other side of all communication networks and communicates.
Above-mentioned portable terminal device 10 is according to the supervision and the control of mobile switching centre 30, set communication path and promptly call out (CALL), calling through above-mentioned setting, with the other side's transmission/multimedia signal receiving, thereby communicate, occupying under the state of above-mentioned calling, pay dues by the originator according to beneficiary's principle.
When the cut-out said communication paths was promptly called out, originator's portable terminal device was removed request (DISCONNECT) signal from the other side's portable terminal device 10 or mobile switching centre's 30 receipt of call, or the order of the direct input communication finishing control of originator's portable terminal device.
Above-mentioned mobile communication system is being occupied under the state of calling, variation according to surrounding environment, data may make a mistake, in order to overcome above-mentioned mistake (ERROR), need request to transmit related data repeatedly, or, therefore exist and to carry out the problem that practical communication also will be paid communication cost because of the load increase of portable terminal device postpones the communication data processing speed.
Communication cutting-off method below in conjunction with the portable terminal device of 2 pairs of prior aries of accompanying drawing describes.
When the user utilizes portable terminal device and the other side to attempt to communicate (step S10), the intrinsic number information and the request call of input the other side appointment connect (step S20), receive the mobile switching centre of the call connection request of above-mentioned portable terminal device, set communication path according to hand-off process and promptly call out (step S30), according to replying of the other side who is connected with above-mentioned setting calling, begin to communicate and begin charge (step S40).
Above-mentioned portable terminal device with call out the state that the other side be connected communicates under, judge whether the call release request (DISCONNECT) (step S50) of the other side or mobile switching centre, the result of above-mentioned judgement (step S50), when the call release request is arranged, when connecting, finishes call disestablishment to charge and communicate by letter (step S70), the result of above-mentioned judgement (step S50), when not having the call release request, communication (step S60) judges whether to be through with, the result of above-mentioned judgement (step S60), when communication does not also finish, turn back to step S40 and proceed communication, the result of above-mentioned judgement (step S60) when being through with communication, finishes in the time of call disestablishment to charge and communicate by letter (step S70).
Have when the portable terminal device of the prior art of formation has been connected calling with the other side as mentioned above, because of the variation of wireless environment or the load of portable terminal device increase under the situation that can't normally communicate on every side, also will keep above-mentioned calling connects, till the sign off request of the call release request that mobile switching centre is arranged or originator's portable terminal device, therefore there is the problem of the more expenses of payment.
Summary of the invention
The present invention relates to the communication quality protective device and the method for portable terminal device; portable terminal device with party call is connected and the state that begun to charge under; because of wireless environment variation or load increase when can not carry out proper communication, automatically terminate to call out to connect and finish and charge.
The communication quality protective device of the portable terminal device of the present invention that achieves the above object is characterised in that: according to control part; and by the radio section request with party call is connected setting; by reference images signal and the difference signal of video signal of download section input from the radio section reception; and be connected to wrong detection unit and detect transmit mistake; when the transmission error accumulation value of above-mentioned detection surpasses fiducial value; drive timer portion and ask the transmission of reference images signal; when till the timing of timer portion finishes, not receiving the reference images signal; request transmits repeatedly; when transmitting request number of times above fiducial value; call disestablishment connects; under the state that above-mentioned calling connects; be that the unit input is need be from signal of video signal that I/O portion sends the time with the frame; monitor compression unit is confirmed whether to be in during compression carries out; monitor that the result is in compression and carries out when middle; the deletion incoming frame; when the frame number of times of deletion surpasses fiducial value continuously; the releasing that request call connects; in the time of till signal of video signal can't accepting state lasts till the time of timer settings, call disestablishment connects.
And the communication quality protective device of portable terminal device of the present invention comprises: radio section, set and call disestablishment wireless transmission/wireless receiving multi-media signal with the mobile communication base station wireless connections; Control part is connected with above-mentioned radio section and request call connects, when can't the compressing image signal or accumulative total receive can't receive in signal of video signal mistake or the given time time, the request call disestablishment connects; Download section is connected with above-mentioned control part, receives the reference images signal and differs from image (Difference Image) signal and download from radio section; Compression unit is connected with above-mentioned control part, the signal of video signal that input need to transmit and be unit compression output with the frame; Wrong detection unit is connected with above-mentioned control part, and the signal of video signal that monitoring wireless receives transmits mistake thereby detect; I/O portion is connected with above-mentioned control part, and input sends to the other side's multi-media signal and the multi-media signal that output receives, input of control commands and dialing signal; Timer portion connects and the relevant control of basis with above-mentioned control part, drives timer, exports driven clocking value, finishes to drive and carries out initialization; Memory section connects and the relevant control of basis with above-mentioned control part, record storage and output utilization program and data in the field of distributing.
And the communication quality guard method of portable terminal device of the present invention comprises: call out Connection Step, be judged as when communicating according to the portable terminal device control part, the control radio section connects and sets the transfer path of multi-media signal to the request call of relevant base station; The frame step, in the above-mentioned calling Connection Step, control part monitors I/O portion, when the other side's signal of video signal is given in input transfer, is the unit input with the frame; Compression step, in the above-mentioned frame step, control part judges that compression unit now is in compression and still is in holding state in carrying out, when judged result is holding state, the frame video data and the wireless transmission of compression input; The deletion step, in the above-mentioned compression step, when the control part judgement is just being compressed in compression unit, when the frame number of times that the frame video data of deletion input is also deleted when accumulative total surpasses the fiducial value of setting, the call disestablishment connection.
And the communication quality guard method of portable terminal device of the present invention comprises: receiving step, judgement according to the portable terminal device control part, during the wireless receiving signal of video signal, reception is the signal of video signal of unit with the frame and detects mistake and carry out demodulation, and judges whether the mistake of above-mentioned detection has surpassed the benchmark of setting; Request step, in above-mentioned receiving step, when the accumulative total mistake of the signal of reception had surpassed the benchmark of setting, the transmission to the other side asks the reference images signal drove timer and judges whether to have received the reference images signal; The timing step in above-mentioned request step, can't receive the reference images signal, and clocking value has surpassed the relevant fiducial value of setting, and when said reference image request number of times has surpassed the relevant fiducial value of setting, finishes timing and request and calls out the releasing that connects automatically.
And the communication quality guard method of portable terminal device of the present invention comprises: set step, be judged as when communicating according to the portable terminal device control part, the control radio section connects and sets the transfer path of multi-media signal to the request call of relevant base station, and judges whether to have received signal of video signal; The image step in above-mentioned setting step, is judged as when receiving signal of video signal, and input reference signal of video signal and difference signal of video signal when not receiving signal of video signal, drive timer portion; End step, in above-mentioned image step, when the clocking value of the timer portion of driving had surpassed the set fiducial value of setting, the driving of end counter also automatically terminated to call out and connects.
Beneficial effect of the present invention is:
When utilizing portable terminal device to carry out multimedia communication, because of the load of each function portion of portable terminal device increase exist in the signal of video signal that can't normally send signal of video signal or reception a lot of when wrong, automatically terminate and call out the generation that connects and prevent too much communication cost, thereby improved the reliability of multimedia mobile communication system.
And, portable terminal device of the present invention according to around wireless environment variation and can't normally receive signal of video signal within a certain period of time the time, automatically terminate to call out and connect and stop chargeing, thereby improved the convenience of using.
Description of drawings
Fig. 1 is the function constitution map of common mobile communication system;
Fig. 2 is the flow chart according to the communication cutting-off method of the portable terminal device of prior art;
Fig. 3 is the communication quality protective device function constitution map according to portable terminal device of the present invention;
Fig. 4 is the flow chart of the transmission signal of video signal communication quality guard method of portable terminal device of the present invention;
Fig. 5 is the flow chart of the reception signal of video signal communication quality guard method of portable terminal device of the present invention;
Fig. 6 is the flow chart according to the communication quality guard method of surrounding environment of portable terminal device of the present invention.
The symbol description of accompanying drawing major part:
100: radio section 110: control part 120: memory section
130: timer portion 140: I/O portion 150: wrong detection unit
160: compression unit 170: download section
Embodiment
Describe below in conjunction with the communication quality protective device and the method for accompanying drawing portable terminal device of the present invention.
Fig. 3 is the communication quality protective device function constitution map according to portable terminal device of the present invention; Fig. 4 is the flow chart of the transmission signal of video signal communication quality guard method of portable terminal device of the present invention; Fig. 5 is the flow chart of the reception signal of video signal communication quality guard method of portable terminal device of the present invention, and Fig. 6 is the flow chart according to the communication quality guard method of surrounding environment of portable terminal device of the present invention.
As shown in Figure 3; the communication quality protective device of portable terminal device is characterised in that: according to the control part 110 of portable terminal device; and by radio section 100 to relevant base station requests with the appointment party call is connected setting; reference images signal that the other side who receives from radio section 100 by download section 170 inputs transmits and difference signal of video signal; and be connected to wrong detection unit 150 and detect and transmit mistakes; when the transmission error accumulation value of above-mentioned detection surpasses fiducial value; drive timer portion 130 and ask the transmission of reference images signal; when till the timing of timer portion 130 finishes, not receiving the reference images signal; request transmits repeatedly; when transmitting request number of times above fiducial value; call disestablishment connects; under the state that above-mentioned calling connects; be that the unit input is need be from signal of video signal that I/O portion 140 sends the time with the frame; monitor compression unit 160 is confirmed whether to be in during compression carries out; monitor that the result is in compression and carries out when middle; the deletion incoming frame; when the frame number of times of deletion surpasses fiducial value continuously; the releasing that request call connects; in the time of till signal of video signal can't accepting state lasts till the time that timer portion 130 sets, call disestablishment connects.
Communication quality protective device with the portable terminal device that as above constitutes comprises:
Radio section 100 is set and call disestablishment (CALL) wireless transmission/wireless receiving multi-media signal with the mobile communication base station wireless connections;
Control part 110, be connected and the request call connection with above-mentioned radio section 100, when can't the compressing image signal or accumulative total receive can't receive in signal of video signal mistake or the given time time, the request call disestablishment connects, promptly receive when being the signal of video signal of unit with the frame from I/O portion 140, monitor compression unit 160, when positive compression is the signal of video signal of unit with the frame, what delete above-mentioned input is that the signal of video signal and the cumulative calculation of unit deleted number of times continuously with the frame, when continuously the frame number of times of deletion surpasses the set number of times of setting, control radio section 100 call disestablishments connect, when above-mentioned radio section 100 receives signal of video signal, be connected to wrong detection unit 150 and detect the transmission mistake, being connected to download section 170 when not having mistake downloads and demodulation, when detecting the transmission mistake, calculate the accumulative total improper value and judged whether to surpass the scope of setting, when judged result has surpassed above-mentioned setting range, request transmitted the reference images signal till the time that timer portion 130 sets finished, when above-mentioned request number of times has surpassed the number of times of setting, the calling that has connected is removed in 100 requests of control radio section, in the time of can't importing the signal of video signal of the other side's transmission within the timing time of setting, the calling (CALL) that has connected is removed in 100 requests of control radio section;
Memory section 120 connects with above-mentioned control part 110 and according to relevant control, record is stored and output utilization program and data in assigned region;
Timer portion 130 connects and the relevant control of basis with above-mentioned control part 110, drives timer, exports driven clocking value, finishes to drive and carries out initialization;
I/O portion 140 is connected with above-mentioned control part 110, and input sends to the other side's multi-media signal and the multi-media signal that output receives, input of control commands and dialing signal;
Wrong detection unit 150 is connected with above-mentioned control part 110, and the signal of video signal that monitoring wireless receives transmits mistake thereby detect;
Compression unit 160, be connected with above-mentioned control part 110, input needs the signal of video signal of transmission, and with the frame unit compression output, promptly according to the control of control part 110, is the multimedia image signal that receives from I/O portion 140 unit with the frame, and deciphers (CODING) according to input sequence, thus the multimedia image signal of output compression;
Download section 170, be connected with above-mentioned control part 110, receive the reference images signals and differ from signal of video signal and download from radio section 100, promptly according to the control of control part 110, input from radio section 100 wireless receivings, detect wrong reference images or difference image and download from wrong detection unit 150, thereby detection reference signal of video signal or difference signal of video signal.
Below in conjunction with accompanying drawing the communication quality protective device with the portable terminal device that constitutes as mentioned above is described in detail.
Portable terminal is made for mobility and portability trend towards miniaturization gradually, so function portion is restricted and disposal ability is restricted, but additional function continues to increase.
The above-mentioned third generation (3GPP) portable terminal device communicates in the digital multimedia mode that comprises signal of video signal, voice signal and letter signal, the signal of video signal data volume is big, to above-mentioned signal of video signal carry out digital processing and the disposal ability of the correlation function portion that compresses limited, formation characteristic according to mobile communication system has very expensive communication cost, the data volume of utilizing a channel to transmit is limited, and be communication, and communication is easy to the variation according to surrounding environment, data transmission error takes place, thereby can't communicate.
According to above-mentioned a variety of causes, under the state that has reduced communication quality and can't communicate, also continue to keep and call out connection and occupy channel, bring burden thereby continue to charge to the user, technical characterictic of the present invention is: to cut off calling in order addressing the above problem automatically and to connect.
The control part 110 of portable terminal device is when action power is opened, control also activates memory section 120, read utilization program and a plurality of application program and read the related data of setting, thereby be in the utilization holding state, under above-mentioned utilization holding state, according to the control command that receives from I/O portion 140, when carrying out multimedia communication with the other side of appointment, control also activates relevant each function portion.
Example one: following explanation sends the multimedia image signal to the situation of specifying the other side, above-mentioned control part 110 receives when being the signal of video signal of unit with frame (FRAME) from I/O portion 140, monitors above-mentioned compression unit 160 and be confirmed to be to be in compressive state and still to be in holding state.
In the time of during compression unit 160 is in the signal of video signal of importing in the former step, with the frame be unit is compressed, above-mentioned control part 110 deletions from the 140 existing inputs of I/O portion, be the signal of video signal of unit with the frame, and the number of times of the above-mentioned deletion of record management.
Above-mentioned control part 110 is analyzed above-mentioned deleted frame (FRAME), when the number of times of continuous deletion has surpassed the fiducial value of setting (N), the correlation function portion that promptly comprises above-mentioned compression unit 160 can not compress and send, or additional in the above-mentioned correlation function portion heavy load (LOAD) arranged, thereby in the time of can not being sent as the signal of video signal of proper communication, continue to occupy channel and generation expense no matter whether communicate, the above-mentioned radio section 100 of above-mentioned control part 110 controls, and to base station (RAN) and mobile switching centre (MSC) request cut-out or call disestablishment connection, thereby call disestablishment (CALL) and end are chargeed.
Example two: when the radio section 100 that controlled by above-mentioned control part 110 receives the multi-media signal of the other side's transmission by base station (RAN), the above-mentioned multi-media signal that receives is sent in the wrong detection unit 150, and analyze whether the transmission mistake is arranged, analysis result, detect when transmitting mistake, the bulk registration storage errors detect information, and the above-mentioned multi-media signal that receives is sent to download section 170.
The size of data of the bandwidth of each channel of above-mentioned mobile communication system or the disposable transmission of each channel is certain.
In above-mentioned multimedia communication mode, the signal of video signal that data volume is big is encoded (CODING), and to transmit in compression (ABSTRACT) mode be necessary process.
And, above-mentioned signal of video signal does not change whole data but only changes the data of movable part, and be that unit detects relevant data value with the frame, aforesaid signal of video signal is called poor signal of video signal, is called the reference images signal according to the signal of video signal of entire frame image data value.
In above-mentioned multimedia communication mode, transmit reference images at first frame, next frame begins to transmit poor signal of video signal, thereby fully shows the data volume that has reduced transmission when moving image.
When making a mistake in the poor signal of video signal of above-mentioned transmission, the frame phenomenon takes place in the associated frame signal of video signal to lose, have influence on next continuous image signal simultaneously, therefore, when the transmission improper value of accumulative total surpasses certain value, think and can not discern associated frame, and to the transmission of originator request reference images signal.
Therefore, when the accumulative total transmission improper value of above-mentioned wrong detection unit 150 detections surpasses set fiducial value, above-mentioned control part 110 is asked the transmission of reference images signal to the other side who transmits signal of video signal, controls above-mentioned timer portion 130 and begins to calculate the given time of setting.
Above-mentioned timer portion 130 according to 110 controls of above-mentioned control part, in the given time of setting during wireless receiving reference images signal, control download section 170 and input, when above-mentioned timer portion 130 can't receive the reference images signal in the given time of setting, ask the transmission of reference images signal repeatedly, the request number of times of the said reference of bulk registration management simultaneously signal of video signal.
Whether above-mentioned control part 110 judgment standard signal of video signal request number of times aggregate-values have surpassed the set fiducial value of setting (NR:NUMBER OF REQUEST), reference images request signal number of times aggregate-value surpasses till the set fiducial value of setting, when not having wireless receiving to arrive the reference images signal, can't utilize the multimedia image signal to communicate, therefore stop the driving of timer portion 130 in order to finish to charge, and therefore control radio section 100 finishes communication to base station (RAN) and the present calling connection of mobile switching centre (MSC) request releasing.
Example three: during the multimedia image signal that transmits by radio section 100 wireless receiving the other side, control part 110 wireless receiving reference images signals and difference signal of video signal, control also activates download section 170.
Above-mentioned control part 110 is under the state of wireless receiving multimedia image signal, the situation that above-mentioned signal of video signal can't receive takes place, promptly according to around wireless environment, for example mobile communication terminal is in the underground space or shadow region, and can't receive signal of video signal the time, above-mentioned control part 110 control timer portions 130 pick up counting it and judge whether the time value of aforementioned calculation has surpassed the set fiducial value of setting (TO:TIME OUT).
In the time of till time value that above-mentioned timer portion 130 is calculated surpasses the set fiducial value (TO) of above-mentioned setting, can't receiving the multimedia image signal, can't normally communicate, therefore in order to stop expense according to multimedia communication, and the timing of cut-out timer portion 130, and remove the calling be set in the mobile switching centre through base station requests and connect, thereby cut off communication.
Therefore, have the present invention who as above constitutes and have following advantage: when portable terminal device sends and receive in the signal of video signal process, because of the limited or variation of wireless environment on every side according to the disposal ability of portable terminal device, and can't normally carry out multimedia communication the time, automatically terminate calling in order to reduce communication cost and connect, thereby improve the reliability of people portable terminal device.
Transmission signal of video signal communication quality guard method below in conjunction with 4 pairs of portable terminal devices of the present invention of accompanying drawing describes.
The transmission signal of video signal communication quality guard method of portable terminal device of the present invention comprises:
Call out Connection Step, be judged as when communicating according to portable terminal device control part 110, control radio section 100, the transfer path that connects and set multi-media signal to the request call of relevant base station (RAN), specifically form: determining step S100 by following step, control part 110 is analyzed the command signal that receives from I/O portion 140, and judges whether to have imported the command signal of carrying out multimedia communication with the other side; Set step S110, in above-mentioned determining step S100, judge when input has the multimedia communication command signal, control radio section 100, request and the other side of appointment call out and are connected and set the multimedia transfer path.
The frame step, in the above-mentioned calling Connection Step, control part 110 monitors I/O portion 140, when the other side's signal of video signal is given in input transfer, with the frame is the unit input, specifically be made up of following step: determining step S120 judges whether that according to control part 110 I/O portion 140 inputs from monitor have the multimedia image signal that sends the other side to; Input step S130 when being judged as from I/O portion 140 input signal of video signal according to the control part among the above-mentioned determining step S120, is a unit input signal of video signal with the frame.
Compression step, in the above-mentioned frame step, control part 110 judges that compression units 160 now are in compression and still are in holding state in carrying out, when judged result is holding state, the frame video data and the wireless transmission of compression input, specifically form by following step: determining step S140, judge compression unit 160 frame video data whether positive compression is imported earlier according to control part 110; Transfer step S150, among the above-mentioned determining step S140, control part 110 is judged as compression unit 160 when being in holding state, the frame video data that receives from I/O portion 140 is outputed to compression unit 160 and compress, the signal of video signal of above-mentioned compression is sent to radio section 100, and sends the other side of appointment to.
The deletion step, in the above-mentioned compression step, control part 110 is judged when just compressing in compression unit 160, the frame video data of deletion input is also when the frame number of times of accumulative total deletion surpasses the fiducial value of setting, call disestablishment connects, specifically be made up of following step: deletion step S160 is judged as compression unit 160 according to control part 110 and now is in compression and carries out when middle the frame video data that deletion is imported for compression; Determining step S170 judges whether frame deleted among the above-mentioned deletion step S160 is continuous deletion, and judges whether to surpassing the continuous deletion number of times of set point number; Remove step S180, when being judged as the continuous deletion number of times above set point number in above-mentioned determining step S170, control radio section 100 and call disestablishment connect.
Be described in detail below in conjunction with the transmission signal of video signal communication quality guard method of accompanying drawing portable terminal device of the present invention.
Be received as from the I/O portion 140 that is monitored by the control part 110 of above-mentioned portable terminal device and carry out with the other side that multimedia (MULTIMEDIA) is communicated by letter and during the command signal imported (step S100), above-mentioned control part 110 controls also activate radio section 100, are connected (step S110) with base station (RAN) wireless connections and the calling to mobile switching centre (MSC) request setting multimedia communication path.
Among the above-mentioned steps S110, when control part 110 receives the signal of video signal that sends the other side to from I/O portion 140 (step S120), reception is the signal of video signal (step S130) of unit with frame (FRAME), and control above-mentioned compression unit 160 judge above-mentioned compression unit 160 now be in standby (STANDBY) state still be in compression carry out in (step S140).
Being judged as compression unit 160 in above-mentioned determining step S140 is in when compressing holding state, the signal of video signal that receives from I/O portion 160, with the frame be unit is connected to compression unit 160 and compresses, above-mentioned compressed, be that the signal of video signal of unit is connected to radio section 100 and wireless the other side (step S150) who sends appointment to the frame, return (FEEDBACK) then and compress repeatedly and transmit to above-mentioned frame step S130.
In above-mentioned determining step S140, be judged as 160 pairs of compression units from before the above-mentioned frame video data that receives the step when compressing, 110 deletions of above-mentioned control part from the 140 existing inputs of I/O portion, be the signal of video signal of unit with the frame, and the number of times of the above-mentioned continuous deletion of record management (step S160).
Above-mentioned control part 110 judges whether the continuous deletion number of times of accumulative total management in above-mentioned steps S160 has surpassed the set fiducial value of setting (N) (step S170), in above-mentioned determining step S170, when the frame number of times of deletion is less than set fiducial value (N) continuously, turn back to above-mentioned frame step S130, in above-mentioned determining step S170, when the frame number of times of deletion is greater than set fiducial value (N) continuously, the radio section 100 that control has been activated, and the releasing that is connected with mobile switching centre (MSC) request call to base station (RAN), and finish communication (step S180), the charging that takes place thereby termination occupies the mobile communication multimedia channel.
Aforesaid step has following effect: when the continuous deletion number of times that with the frame is the signal of video signal of unit surpasses set fiducial value, therefore can't transmit signal of video signal to the other side, in the time of can't carrying out simultaneously normal multimedia communication, automatically terminate to call out in order to reduce communication cost and connect.
Reception signal of video signal communication quality guard method below in conjunction with 5 pairs of portable terminal devices of the present invention of accompanying drawing describes.
The reception signal of video signal communication quality guard method of portable terminal device of the present invention comprises:
Receiving step, judgement according to portable terminal device control part 110, during the wireless receiving signal of video signal, reception is the signal of video signal of unit with the frame and detects mistake and carry out demodulation, and whether the mistake of judging above-mentioned detection has surpassed the benchmark of setting, specifically be made up of following step: the first determining step S200 judges whether to have received the multimedia image signal that the other side transmits from radio section 100 according to control part 110; Demodulation (DEMODULATION) step S210, when receiving signal of video signal from the above-mentioned first determining step S200, the input signal of video signal also is sent to wrong detection unit 150 detection mistakes, and the signal of video signal that receives is carried out demodulation; The second determining step S220 judges whether the transmission error accumulation value that detects has surpassed the set fiducial value of setting (EA:ERROR OFACCUMULATED) in above-mentioned demodulation step S210.
Request step, when the accumulative total mistake of the signal that receives in above-mentioned receiving step has surpassed the benchmark of setting, ask the transmission of reference images signal to the other side, drive timer and judge whether to have received the reference images signal, specifically form: request step S230 by following step, among the second determining step S220 in above-mentioned receiving step, when judged result had surpassed relevant fiducial value for transmitting the error accumulation value, control radio section 100 was also asked the transmission of reference images signal to the other side; Timing step S240 according to the control part among the above-mentioned request step S230 110, drives timer portion 130 and picks up counting; Determining step S250 judges whether that wireless receiving is to ask the reference images signal that transmits to the other side in above-mentioned timing step S240; Return step S260, when reference images signal that the request that receives in above-mentioned determining step S250 transmits, stop the driving of above-mentioned timer portion 130, and turn back to the determining step S200 in the above-mentioned receiving step.
The timing step, in above-mentioned request step, can't receive the reference images signal, clocking value has surpassed the relevant fiducial value of setting, when said reference image request number of times has surpassed the relevant fiducial value of setting, finish timing and request and call out the releasing that connects automatically, specifically form: the first determining step S270 by following step, in the time of in above-mentioned request step, can't receiving the reference images signal of asking transmission (step S250), judge whether the clocking value of timer portion 130 has surpassed the relevant fiducial value of setting (Tout); The second determining step S280, judged result among the above-mentioned first determining step S270 is that the clocking value of timer portion 130 surpasses when being correlated with fiducial value (Tout), judges whether said reference image request number of times has surpassed relevant fiducial value (NR:NUMBER OF REQUEST); Remove step S290, when the judged result among the above-mentioned second determining step S280 has surpassed relevant fiducial value (NR) for the reference images request number of times, stop timer portion 130 and call disestablishment and connect.
Be described in detail below in conjunction with the guard method of accompanying drawing the reception signal of video signal communication quality of portable terminal device of the present invention.
The control part 110 of above-mentioned portable terminal device (MS) is under the utilization state of each function portion of supervision, confirm as when having received the other side's multimedia image signal (step S200) by radio section 100, the multimedia image signal that with frame (FRAME) is the unit wireless receiving is sent to the wrong detection unit 150 from radio section 100, detect and record management transmission mistake, be sent to download section 170 then and carry out demodulation (DEMODULATION) and be sent to I/O portion 140 (step S210).
Among the above-mentioned steps S210, control part 110 judges whether above-mentioned detected multimedia image transmit error signal aggregate-value has surpassed the set fiducial value of setting (EA) (step S220), above-mentioned judgement (step S220) result is, multimedia image transmit error signal aggregate-value is during less than fiducial value (EA), turn back to above-mentioned steps S200 and receive signal of video signal repeatedly, above-mentioned judgement (step S220) result is that multimedia image transmit error signal aggregate-value is during greater than fiducial value (EA), ask the transmission of reference images signal by radio section 100 to the other side who transmits the multimedia image signal, and manage request number of times information (step S230).
Control part 110 among the above-mentioned steps S230 drives timer portion 130, make timer portion 130 begin to calculate the fiducial time (Tout) (step S240) of setting, and monitor that above-mentioned radio section 100 judges whether that wireless receiving has arrived the reference images signal (step S250) of multimedia image signal.
Above-mentioned judgement (step S250) result is, when having received the reference images signal, above-mentioned control part 110 stops the driving (step S260) of timer portion 130, turn back to above-mentioned receiving step S200, receive multi-media signal repeatedly according to reference images signal and difference signal of video signal, above-mentioned judgement (step S250) result judges whether the time of timer portion 130 timing has surpassed set fiducial value (Tout) (step S270) when not receiving the reference images signal.
In above-mentioned steps S270, the time of timer portion 130 timing is not when surpassing the value of setting fiducial time (Tout), turn back to the reception that above-mentioned request step S250 reaffirms reference images, in above-mentioned steps S270, the time of timer portion 130 timing is when surpassing the value of setting fiducial time (Tout), automatically stop the request of reference images, confirm the continuous request number of times of said reference image, and judge comparison (step S280) with the set fiducial value of setting (NR).
In above-mentioned steps S280, when the reference images request number of times does not surpass the set fiducial value of setting (NR), turn back to the transmission that above-mentioned request step S230 asks reference images again, in above-mentioned steps S280, when the reference images request number of times surpasses the set fiducial value of setting (NR), control radio section 100 is asked to remove the calling that is set at the multimedia communication path to base station (RAN) and mobile switching centre (MSC) and is connected, and stops communication, thereby stops charging.
Therefore, have when the present invention of formation receives signal of video signal in multimedia communication as mentioned above, initial stage receives the reference images signal, receive the difference signal of video signal in order to reduce data volume afterwards, when the transmission error accumulation value of signal of video signal of being on duty surpasses set fiducial value, export improper signal of video signal and can't communicate.
Promptly, when the transmission error accumulation value of above-mentioned multimedia image signal surpasses set fiducial value, carry out following steps repeatedly: the transmission of the relevant benchmark signal of video signal of request, when having received the said reference signal of video signal, carry out initialization to transmitting the error accumulation value, and the transmission improper value that receives after the accumulative total initialization.
At this moment, the transmission request number of times of record storage and management said reference signal of video signal, when above-mentioned continuous request number of times value has surpassed the set fiducial value of setting, be in the state that can't normally communicate, therefore automatically terminate to call out and connect in order to stop communication cost.
Therefore, under the state that can not normally receive and show the multimedia image signal, automatically terminate and call out connection, thereby termination can not communicate and the state of defrayment automatically.
The communication quality guard method according to surrounding environment below in conjunction with 6 pairs of portable terminal devices of the present invention of accompanying drawing describes.
Set step, when being judged as the multimedia communication that utilizes signal of video signal according to portable terminal device control part 110, control radio section 100, the transfer path that connects and set multi-media signal to the request call of relevant base station (RAN), and judge whether to have received signal of video signal, specifically form: the first determining step S300 by following step, control part 110 is analyzed the command signal that receives from I/O portion 140, thereby judges whether to import the command signal that utilization comprises the multimedia communication of signal of video signal; Set step S310, be judged as among the above-mentioned first determining step S300 when importing the command signal that the utilization multimedia communication is arranged, control radio section 100 is connected the transfer path of calling out and setting multi-media signal to the request of relevant base station (RAN) with appointment the other side; The second determining step S320 connects transfer path by the calling set among the above-mentioned setting step S310, the other side's the signal of video signal that judged whether wireless receiving.
The image step, in above-mentioned setting step, be judged as when receiving signal of video signal, input reference signal of video signal and difference signal of video signal, when not receiving signal of video signal, drive timer portion 130, specifically form by following step: input step S330, when the other side received the signal of video signal of multimedia communication, inerrancy received reference images signal and difference signal of video signal and input; Determining step S340, judging whether the reference images signal receive from above-mentioned input step S330 and difference signal of video signal are in can't accepting state; Timing step S350, judged result is in the time of can't receiving the multimedia image signal in above-mentioned determining step S340, drives timer portion 130 and begins to calculate the given time of setting.
End step, when the clocking value of the timer portion 130 that drives in above-mentioned image step has surpassed the set fiducial value of setting, the driving of end counter also automatically terminates the calling connection, specifically form by following step: determining step S360, judge whether the clocking value of driven timer portion 130 has surpassed the set fiducial value of setting (TO:Tout); Remove step S370, the judged result among the above-mentioned determining step S360 is a clocking value when having surpassed relevant fiducial value, and the timing that finishes timer portion 130 also automatically terminates to call out and connects.
Be described in detail below in conjunction with the communication quality guard method according to surrounding environment of accompanying drawing portable terminal device of the present invention.
Control part 110 receive from 140 outputs of I/O portion, when utilizing above-mentioned tracking exchage portable terminal device to comprise the command signal of multimedia communication of signal of video signal (step S300), above-mentioned control part 110 is controlled radio sections 100 and is connected with the calling of specifying the other side to base station requests, thereby sets the multimedia communication path (step S310) that comprises signal of video signal.
Among the above-mentioned steps S310, whether portable terminal device control part 110 is judged by radio section 100 from the other side's wireless receiving to multimedia image signal (step S320), judged result in above-mentioned determining step S320 is to during signal of video signal from the other side's wireless receiving, constitute the reference images signal and the difference signal of video signal of signal of video signal according to associated order from radio section 100 wireless receivings, and be input to download section 170 (step S330).
Among the above-mentioned steps S330, control part 110 judge above-mentioned signal of video signal be in normal accepting state still according to around the variation of wireless environment be in can't accepting state (step S340), judged result in above-mentioned determining step S340 is when being in normal accepting state, return (FEEDBACK) to above-mentioned steps S330, receive signal of video signal repeatedly, thereby proceed communication, judged result in above-mentioned determining step S340 is in the time of can't normally receiving signal of video signal, the above-mentioned timer of above-mentioned control part 110 controls portion 130, it is driven, thereby picks up counting (step S350).
Among the above-mentioned steps S350, control part 110 judges whether the clocking value of timer portion 130 has surpassed the set fiducial value of setting (TO) (step S360), in above-mentioned steps S360, the clocking value of timer portion 130 is during less than the fiducial value (TO) set, turn back to and carry out the process that whether normally receives signal of video signal among the above-mentioned image step S340 repeatedly, when the clocking value of timer portion 130 is greater than the fiducial value (TO) set in above-mentioned steps S360, stop the timing of timer portion, control radio section 100 automatically terminates to call out and connects (step S370).
As mentioned above, portable terminal device of the present invention according to around wireless environment variation and be in shade when area that can't normally receive signal of video signal within a certain period of time, can automatically terminate to call out and connect and stop chargeing.
Therefore, the communication quality protective device of portable terminal device of the present invention and method can automatically terminate and call out the generation that connects and prevent too much communication cost in the time can't carrying out multimedia communication.
The communication quality protective device and the method for portable terminal device of the present invention have following effect:
When utilizing portable terminal device to carry out multimedia communication, because of the load of each function portion of portable terminal device increase exist in the signal of video signal that can't normally send signal of video signal or reception a lot of when wrong, automatically terminate and call out the generation that connects and prevent too much communication cost, thereby improved the reliability of multimedia mobile communication system.
And, portable terminal device of the present invention according to around wireless environment variation and can't normally receive signal of video signal within a certain period of time the time, automatically terminate to call out and connect and stop chargeing, thereby improved the convenience of using.
Abovely useful embodiment of the present invention is illustrated with reference to accompanying drawing, but the present invention is not limited to the foregoing description, under the prerequisite that does not break away from desired main idea of the present invention in claims, any under the present invention the commonsense people in field can carry out various deformation and implemented.
Claims (17)
1, a kind of communication quality protective device of portable terminal device is characterized in that:
Control part according to portable terminal device, and by the radio section request with party call is connected setting, by reference images signal and the difference signal of video signal of download section input from the radio section reception, and be connected to wrong detection unit and detect transmit mistake, when the transmission error accumulation value of above-mentioned detection surpasses fiducial value, drive timer portion and ask the transmission of reference images signal, when till the timing of timer portion finishes, not receiving the reference images signal, request transmits repeatedly, when transmitting request number of times above fiducial value, call disestablishment connects, under the state that above-mentioned calling connects, with the frame unit input need be from signal of video signal that I/O portion sends the time, monitor compression unit is confirmed whether to be in during compression carries out, monitor that the result is in compression and carries out when middle, the deletion incoming frame, and the frame number of times of continuously deletion is when surpassing fiducial value, the releasing that request call connects, in the time of till signal of video signal can't accepting state lasts till the time of timer settings, call disestablishment connects.
2, a kind of communication quality protective device of portable terminal device is characterized in that comprising:
Radio section is set and call disestablishment wireless transmission/wireless receiving multi-media signal with the mobile communication base station wireless connections;
Control part is connected with above-mentioned radio section and request call connects, when can't the compressing image signal or accumulative total receive can't receive in signal of video signal mistake or the given time time, the request call disestablishment connects;
Download section is connected with above-mentioned control part, receives the reference images signal and differs from signal of video signal and download from radio section;
Compression unit is connected with above-mentioned control part, the signal of video signal that input need to transmit and be unit compression output with the frame;
Wrong detection unit is connected with above-mentioned control part, and the signal of video signal that monitoring wireless receives transmits mistake thereby detect;
I/O portion is connected with above-mentioned control part, and input sends to the other side's multi-media signal and the multi-media signal that output receives, input of control commands and dialing signal;
Timer portion connects and the relevant control of basis with above-mentioned control part, drives timer, exports driven clocking value, finishes to drive and carries out initialization;
Memory section connects and the relevant control of basis with above-mentioned control part, record storage and output utilization program and data in the field of distributing.
3, the communication quality protective device of portable terminal device according to claim 2 is characterized in that:
Above-mentioned download section is according to the control of control part, input from the radio section wireless receiving, detect wrong reference images or difference image and download from wrong detection unit, thereby detection reference signal of video signal or difference signal of video signal.
4, the communication quality protective device of portable terminal device according to claim 2 is characterized in that:
When above-mentioned control part is the signal of video signal of unit from the reception of I/O portion with the frame, monitor compression unit, when positive compression is the signal of video signal of unit with the frame, what delete above-mentioned input is that the signal of video signal and the cumulative calculation of unit deleted number of times continuously with the frame, when continuously the frame number of times of deletion surpasses the set number of times of setting, control radio section call disestablishment connects, when above-mentioned radio section receives signal of video signal, be connected to wrong detection unit and detect the transmission mistake, be connected to when not having mistake that download section is downloaded and demodulation, when detecting the transmission mistake, calculate the accumulative total improper value and judged whether to surpass the scope of setting, when judged result has surpassed above-mentioned setting range, request transmitted the reference images signal till the time that timer portion sets finished, and when above-mentioned request number of times had surpassed the number of times of setting, the calling that has connected was removed in the request of control radio section, in the time of can't importing the signal of video signal of the other side's transmission within the timing time of setting, the calling that has connected is removed in the request of control radio section.
5, a kind of communication quality guard method of portable terminal device is characterized in that comprising:
Call out Connection Step, be judged as when communicating according to the portable terminal device control part, the control radio section connects and sets the transfer path of multi-media signal to the request call of relevant base station;
The frame step, in the above-mentioned calling Connection Step, control part monitors I/O portion, when the other side's signal of video signal is given in input transfer, is the unit input with the frame;
Compression step, in the above-mentioned frame step, control part judges that compression unit now is in compression and still is in holding state in carrying out, when judged result is holding state, the frame video data and the wireless transmission of compression input;
The deletion step, in the above-mentioned compression step, when the control part judgement is just being compressed in compression unit, when the frame number of times that the frame video data of deletion input is also deleted when accumulative total surpasses the fiducial value of setting, the call disestablishment connection.
6, the communication quality guard method of portable terminal device according to claim 5 is characterized in that:
Above-mentioned calling Connection Step comprises:
Determining step, the command signal that the control part analysis receives from I/O portion, and judge whether to have imported the command signal of carrying out multimedia communication with the other side;
Set step, in above-mentioned determining step, judge when input has the multimedia communication command signal, the control radio section, request and the other side of appointment call out and are connected and set the multimedia transfer path.
7, the communication quality guard method of portable terminal device according to claim 5 is characterized in that:
Above-mentioned frame step comprises:
Determining step judges whether that according to the control part in the above-mentioned calling Connection Step I/O portion input from monitor has the multimedia image signal that sends the other side to;
Input step when being judged as from I/O portion input signal of video signal according to the control part in the above-mentioned determining step, is a unit input signal of video signal with the frame.
8, the communication quality guard method of portable terminal device according to claim 5 is characterized in that:
Above-mentioned compression step comprises:
Determining step is judged the compression unit frame video data whether positive compression is imported earlier according to the control part in the above-mentioned frame step;
Transfer step, according to the control part in the above-mentioned determining step, be judged as compression unit when being in holding state, the frame video data that receives from I/O portion is outputed to compression unit and compress, the signal of video signal of above-mentioned compression is sent to radio section, and sends the other side of appointment to.
9, the communication quality guard method of portable terminal device according to claim 5 is characterized in that:
Above-mentioned deletion step comprises:
The deletion step is judged as compression unit according to the control part in the above-mentioned compression step and now is in compression and carries out when middle the frame video data that deletion is imported for compression;
Determining step judges whether frame deleted in the above-mentioned deletion step is continuous deletion, and judges whether to surpassing the continuous deletion number of times of set point number;
Remove step, when being judged as the continuous deletion number of times above set point number in above-mentioned determining step, control radio section and call disestablishment connect.
10, a kind of communication quality guard method of portable terminal device is characterized in that comprising:
Receiving step, according to the judgement of portable terminal device control part, reception is the signal of video signal of unit with the frame and detects mistake and carry out demodulation during the wireless receiving signal of video signal, and judges whether the mistake of above-mentioned detection has surpassed the benchmark of setting;
Request step, in above-mentioned receiving step, when the accumulative total mistake of the signal of reception had surpassed the benchmark of setting, the transmission to the other side asks the reference images signal drove timer and judges whether to have received the reference images signal;
The timing step in above-mentioned request step, can't receive the reference images signal, and clocking value has surpassed the relevant fiducial value of setting, and when said reference image request number of times has surpassed the relevant fiducial value of setting, finishes timing and request and calls out the releasing that connects automatically.
11, the communication quality guard method of portable terminal device according to claim 10 is characterized in that:
Above-mentioned receiving step comprises:
First determining step judges whether to have received the multimedia image signal that the other side transmits from radio section according to control part;
Demodulation step, when receiving signal of video signal from above-mentioned first determining step, the input signal of video signal also is sent to wrong detection unit detection mistake, and the signal of video signal that receives is carried out demodulation;
Second determining step judges whether the transmission error accumulation value that detects has surpassed the set fiducial value of setting in above-mentioned demodulation step.
12, the communication quality guard method of portable terminal device according to claim 10 is characterized in that:
Above-mentioned request step comprises:
When request step, the judged result in second determining step in above-mentioned receiving step had surpassed relevant fiducial value for transmitting the error accumulation value, the control radio section was also asked the transmission of reference images signal to the other side;
The timing step according to the control part in the above-mentioned request step, drives timer portion and picks up counting;
Determining step judges whether that wireless receiving is to ask the reference images signal that transmits to the other side in above-mentioned timing step;
Return step, when reference images signal that the request that receives in above-mentioned determining step transmits, stop the driving of above-mentioned timer portion, and turn back to the determining step in the above-mentioned receiving step.
13, the communication quality guard method of portable terminal device according to claim 10 is characterized in that:
Above-mentioned timing step comprises:
First determining step in the time of can't receiving the reference images signal of request transmission in above-mentioned request step, judges whether the clocking value of timer portion has surpassed the relevant fiducial value of setting;
Second determining step, the judged result in above-mentioned first determining step are that the clocking value of timer portion surpasses when being correlated with fiducial value, judge whether said reference image request number of times has surpassed relevant fiducial value;
Remove step, when the judged result in above-mentioned second determining step has surpassed relevant fiducial value for the reference images request number of times, stop timer portion and call disestablishment and connect.
14, a kind of communication quality guard method of portable terminal device is characterized in that comprising:
Set step, be judged as when communicating according to the portable terminal device control part, the control radio section connects and sets the transfer path of multi-media signal to the request call of relevant base station, and judges whether to have received signal of video signal;
The image step is judged as in above-mentioned setting step when receiving signal of video signal, and input reference signal of video signal and difference signal of video signal when not receiving signal of video signal, drive timer portion;
When end step, the clocking value of the timer portion that drives in above-mentioned image step had surpassed the set fiducial value of setting, the driving of end counter also automatically terminated the calling connection.
15, the communication quality guard method of portable terminal device according to claim 14 is characterized in that:
Above-mentioned setting step comprises:
First determining step, the command signal that the control part analysis receives from I/O portion, thus judge whether to import the command signal that utilization comprises the multimedia communication of signal of video signal;
Set step, be judged as in above-mentioned first determining step and import when the command signal of using multimedia communication is arranged, the control radio section is connected the transfer path of calling and setting multi-media signal to relevant base station requests with specifying the other side;
Second determining step connects transfer path by the calling set in the above-mentioned setting step, the other side's the signal of video signal that judged whether wireless receiving.
16, the communication quality guard method of portable terminal device according to claim 14 is characterized in that:
Above-mentioned image step comprises:
Input step, when the other side received the signal of video signal of multimedia communication, inerrancy received reference images signal and difference signal of video signal and input in above-mentioned setting step;
Determining step, judging whether the reference images signal receive from above-mentioned input step and difference signal of video signal are in can't accepting state;
The timing step, judged result is in the time of can't receiving the multimedia image signal in above-mentioned determining step, drives timer portion and begins to calculate the given time of setting.
17, the communication quality guard method of portable terminal device according to claim 14 is characterized in that:
Above-mentioned end step comprises:
Determining step judges whether the clocking value of driven timer portion in above-mentioned image step has surpassed the set fiducial value of setting;
Remove step, the judged result in the above-mentioned determining step is a clocking value when having surpassed relevant fiducial value, and the timing that finishes timer portion also automatically terminates to call out and connects.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050020735 | 2005-03-11 | ||
| KR10-2005-0020735 | 2005-03-11 | ||
| KR1020050020735A KR100677442B1 (en) | 2005-03-11 | 2005-03-11 | Methods and apparatus' of safeguarding multimedia communication quality for mobile phone |
Publications (2)
| Publication Number | Publication Date |
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| CN1832567A true CN1832567A (en) | 2006-09-13 |
| CN100425070C CN100425070C (en) | 2008-10-08 |
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| CNB2006100572097A Expired - Fee Related CN100425070C (en) | 2005-03-11 | 2006-03-07 | Portable terminal communication quality protecting equipment and method thereof |
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| KR (1) | KR100677442B1 (en) |
| CN (1) | CN100425070C (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067504C (en) * | 1995-08-23 | 2001-06-20 | 深圳市华为技术有限公司 | Method for call processing based on detection of analoge subscriber line interface signal sound and charging method thereof |
| JPH11146369A (en) * | 1997-11-05 | 1999-05-28 | Kyocera Corp | Portable video telephone system using transceiver function |
| KR20020071226A (en) * | 2001-03-05 | 2002-09-12 | 삼성전자 주식회사 | Apparatus and method for controlling transmission of reverse link in mobile communication system |
| JP2004221731A (en) * | 2003-01-10 | 2004-08-05 | Seiko Epson Corp | Image transmission apparatus and digital camera |
| JP2005063384A (en) * | 2003-08-20 | 2005-03-10 | Konica Minolta Business Technologies Inc | Image forming system |
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- 2005-03-11 KR KR1020050020735A patent/KR100677442B1/en not_active IP Right Cessation
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- 2006-03-07 CN CNB2006100572097A patent/CN100425070C/en not_active Expired - Fee Related
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| CN100425070C (en) | 2008-10-08 |
| KR100677442B1 (en) | 2007-02-02 |
| KR20060099340A (en) | 2006-09-19 |
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