CN102510409A - Method and system for quickly and remotely updating program of mobile terminal by using wireless network - Google Patents
Method and system for quickly and remotely updating program of mobile terminal by using wireless network Download PDFInfo
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Abstract
The invention relates to the technical field of mobile communication, in particular to a method and a system for quickly and remotely updating a program of a mobile terminal based on a wireless network. The invention provides the method for remotely updating the program of the mobile terminal by using the wireless network, a data compression technology and a data quick interaction technology. When the program of the mobile terminal is required to be updated, the program is subjected to data compression, a compressed program packet is submitted to an updating server, a remote updating function of the mobile terminal is started, and the mobile terminal locally downloads the compressed program packet through the wireless network in a quick interaction mode, decompresses the program packet and updates the program of the mobile terminal, so that the program of the mobile terminal can be quickly and remotely updated. According to the system, before the program packet is updated, GZIP data compression is performed, a transmission window mechanism is adopted in the downloading process, and according to actual system parameters, update files can be quickly and accurately downloaded by using a preference algorithm, a breakpoint continuous transmission mechanism and a file checking mechanism.
Description
Technical field
The present invention relates to the mobile communication technology field, particularly relate to a kind of based on the method and system of wireless network to the quick remote update of portable terminal program.
Background technology
In today of Internet of Things develop rapidly, mobile terminal device is widely used.The mobility that mobile device is intrinsic makes remote update become one of critical function of its refresh routine.Often because the network bandwidth is limited, simultaneously mobile terminal device is in mobile status, causes the long-range renewal speed of portable terminal program slow, and it is low to be updated to power, and terminal use's use is affected.Therefore reduce the interaction data size, just very important for the remote update of portable terminal.
Summary of the invention
Deficiency to prior art; The present invention has put forward a kind of method of utilizing wireless network, data compression, the quick interaction technique of data to realize mobile terminal device program remote update: when mobile terminal device needs refresh routine; Earlier program is carried out data compression process; Program package after the compression is committed on the update service device, starts the mobile terminal device remote update, mobile terminal device is downloaded to this locality through wireless network with the program package that compresses fast alternately; Carry out decompression and upgrade the program of portable terminal, thereby realize the quick remote update of terminal program.
For achieving the above object, the present invention realizes that through following technical scheme a kind of method of utilizing wireless network to the quick remote update of portable terminal program may further comprise the steps:
Steps A. when mobile terminal device needed the remote update program, leading subscriber at first compressed ROMPaq, and the ROMPaq compressed package is committed on the program update server;
Step B. when mobile terminal device receive the update instruction of remote update server or detect upgrade server automatically have effective refresh routine version after; Mobile terminal device utilizes that data are fast mutual, breakpoint transmission and file verification mechanism and multiple, the compressed package on the update service device is downloaded to this locality and is stored on the storage medium through cordless communication network;
Step C. mobile terminal device carries out decompression in this locality to the program updates compressed package that success is downloaded, and simultaneously file is carried out validity and detects, and the original program file that utilizing simultaneously decompresses generates upgrades the program of mobile terminal device.
Further, described steps A comprises:
Steps A 3. leading subscribers through association need refresh routine portable terminal, carry out configuration effort such as program version coupling, and start the download flow process of transaction file;
Steps A 4. remote update servers are through instruction of wireless network short message issuing immediate updating or setting terminal program effective marker to be updated.
Further, described step B comprises:
Step B1. mobile terminal device is received the update instruction of remote update server or detects upgrade server automatically and have effectively renewal version that portable terminal and update service device are set up upgrade file and downloaded communication link; And agreement transmission window attribute, comprise window data frame number N and maximum data frame length L;
Step B2. update service device reads and compresses good upgrade file; The verification of calculating whole file according to the checking algorithm of communications protocol agreement with; And, file is carried out fragment process, and number according to the order of sequence one by one according to the data packet length that host-host protocol is appointed;
Step B3. update service device encapsulates according to the burst of host-host protocol to upgrade file in regular turn; According to the transmission window attribute of appointing; Call the network data transmission interface packaged N frame window data are sent to portable terminal; The transmission bag sequence number of record current window, and the current window portable terminal is set replys the wait counter;
Wherein protocol encapsulation comprises but do not limit following information: total data frame number, current window start frame sequence number, present frame sequence number, frame data, counter values are provided with reference to real network environment, window data frame number N, send interval etc.;
Step B4. mobile terminal device receives the upgrading data packet that the update service device issues; And according to the numbering of packet, write in regular turn in the interim buffer memory, write down current reception bag sequence number; If packet is the new window Frame, portable terminal will start to receive waits for counter;
Step B5. receives interaction process to upgrade file respectively by following situation:
Situation 3; After if portable terminal receives and waits for that counter is overtime; To send the reception result notice and reset to the update service device and receive the wait counter; The update service device is according to the terminal reception result, judges whether to reissue obliterated data or starts next window data to issue, and reset portable terminal and reply the wait counter;
Step B6. portable terminal is through above-mentioned steps B3, B4, B5; After collecting the upgrade file packet; Upgrade file is calculated in employing with the identical checking algorithm of update service device agreement verification with; The verification that issues with the verification of calculating gained with upgrade server with compare, then begin to carry out the more new technological process of terminal program as if the two unanimity
;If inconsistent, then the update notifications server is carried out download step B3, B4 again, and B5 is until downloading successfully.
Further, the transmission window among the described step B1 is update service device and each group data interaction flow process of portable terminal; Data frame number N among the described step B1 is the data frame number that the update service device issues a window period.
Further, the computing formula N that selects the superior=data are downloaded transmission window select, described L is the terminal number that single carries out remote update.
Further, described step B5 also comprises following situation:
Situation 4, portable terminal and update service device are in data exchange process, because the data downloading process that abnormal conditions such as network failure, update service device or portable terminal operation irregularity cause is interrupted; After communication recovers normally; Portable terminal will be initiated the breakpoint transmission request to the update service device according to breakpoint location (portable terminal successfully finishes receiving the upgrade file length that a window data is preserved), and the update service device is according to breakpoint location; Execution in step B3 resends upgrading data packet.
Further, described step C comprises:
The decompression algorithm function interface that step C1. mobile terminal device calls with update service device agreement carries out decompress(ion) to the upgrade file of downloading; If decompress(ion) failure; The T that then delays time reattempts decompress(ion) second, and maximum attempts is 3, and failure reaches the qualification number of times and then carries out flow process again
,Otherwise and the result behind the successful decompress(ion) write cache file;
Step C2. mobile terminal device carries out the validity judgement to the file of decompress(ion) output, then carries out flow process again if file is invalid
,Again file in download if file is effective, is carried out subsequent step C3;
The content of step C3. mobile terminal device copy decompress(ion) cache file starts terminal program then and guides more new technological process to the program load domain;
Step C4. mobile terminal device boot is copied to program operating field with the data of program load domain, the initialization terminal program, and begin to carry out new procedures;
After step C5. mobile terminal device gets into and carries out new procedures, through the success of wireless network update notifications server updating.
System of the present invention has carried out the GZIP data compression process in advance at the refresh routine bag; Greatly reduce the transmits data packets size, therefore under comparable bandwidths and transmission speed, because the minimizing of data amount transmitted; The corresponding minimizing of the time of remote download, the also corresponding raising of downloading reliability; Downloading process has adopted transmission window mechanism in addition, and according to the real system parameter, utilizes out of kilter method; Select the window number N of optimization; Optimally reduce the interaction times of data downloading process, correspondingly reduce the mutual loss time, improve the speed of download of transaction file; Utilize breakpoint transmission mechanism to avoid factors such as network failure, server failure to cause file to download the imperfect situation of downloading whole file again effectively, and only download, saved under the abnormality file download time from the initial data of breakpoint; File this method adopts file verification mechanism in the upgrade file downloading process simultaneously; Realize the data reliable interaction between upgrade server and the portable terminal; The loss of data of avoiding factor such as unstable networks to cause causes the upgrading failure, thereby realizes the success rate that transaction file is downloaded.
Description of drawings
Fig. 1 is a kind of flow chart that utilizes wireless network to the method for the quick remote update of portable terminal program of the present invention;
Fig. 2 is a kind of structure chart that utilizes wireless network to the system of the quick remote update of portable terminal program of the present invention.
Embodiment
Combine accompanying drawing and embodiment that the present invention is further specified at present.
With reference to shown in Figure 1, a kind of method of utilizing wireless network to the quick remote update of portable terminal program may further comprise the steps:
Steps A. when mobile terminal device needs the remote update program; Leading subscriber at first compresses ROMPaq, lowers the size of upgrading data packet, to reduce the data amount transmitted on wireless network; Realize quick-downloadingly, and the ROMPaq compressed package is committed on the program update server;
Further, described steps A specifically comprises:
Steps A 3. leading subscribers through association need refresh routine portable terminal, carry out configuration effort such as program version coupling, and start the download flow process of transaction file;
Steps A 4. remote update servers are through wireless network or instruction of SMS short message issuing immediate updating or setting terminal program effective marker to be updated.
Step B. when mobile terminal device receive the update instruction of remote update server or detect upgrade server automatically have effective refresh routine version after; Mobile terminal device utilizes that data are fast mutual, breakpoint transmission and file verification mechanism and multiple, through cordless communication network with the compressed package fast and reliable on the update service device be downloaded to this locality and be stored on the storage medium;
Further, described step B specifically comprises:
Step B1. mobile terminal device is received the update instruction of remote update server or detects upgrade server automatically and have effectively renewal version that portable terminal and update service device are set up upgrade file and downloaded communication link; And agreement transmission window attribute, comprise window data frame number N and maximum data frame length L;
Further, the transmission window among the described step B1 is update service device and each group data interaction flow process of portable terminal; Data frame number N among the described step B1 is the data frame number that the update service device issues a window period.
Step B2. update service device reads and compresses good upgrade file; The verification of calculating whole file according to the checking algorithm of communications protocol agreement with; And, file is carried out fragment process, and number according to the order of sequence one by one according to the data packet length that host-host protocol is appointed;
Step B3. update service device encapsulates according to the burst of host-host protocol to upgrade file in regular turn; According to the transmission window attribute of appointing; Call the network data transmission interface packaged N frame window data are sent to portable terminal; The transmission bag sequence number of record current window, and the current window portable terminal is set replys the wait counter;
Wherein protocol encapsulation comprises but do not limit following information: total data frame number, current window start frame sequence number, present frame sequence number, frame data, counter values are provided with reference to real network environment, window data frame number N, send interval etc.;
Step B4. mobile terminal device receives the upgrading data packet that the update service device issues; And according to the numbering of packet, write in regular turn in the interim buffer memory, write down current reception bag sequence number; If packet is the new window Frame, portable terminal will start to receive waits for counter;
Step B5. receives interaction process to upgrade file respectively by following situation:
Situation 3; After if portable terminal receives and waits for that counter is overtime; To send the reception result notice and reset to the update service device and receive the wait counter; The update service device is according to the terminal reception result, judges whether to reissue obliterated data or starts next window data to issue, and reset portable terminal and reply the wait counter;
Situation 4, portable terminal and update service device are in data exchange process.Because the data downloading process that abnormal conditions such as network failure, update service device or portable terminal operation irregularity cause is interrupted; After communication recovers normally; Portable terminal will be initiated the breakpoint transmission request to the update service device according to breakpoint location (portable terminal successfully finishes receiving the upgrade file length that a window data is preserved), and the update service device is according to breakpoint location; Execution in step B3 resends upgrading data packet;
Step B6. portable terminal is through above-mentioned steps B3, B4, B5; After collecting the upgrade file packet; Upgrade file is calculated in employing with the identical checking algorithm of update service device agreement verification with; The verification that issues with the verification of calculating gained with upgrade server with compare, then begin to carry out the more new technological process of terminal program as if the two unanimity
;If inconsistent, then the update notifications server is carried out download step B3, B4 again, and B5 is until downloading successfully.
Step C. mobile terminal device carries out decompression in this locality to the program updates compressed package that success is downloaded, and simultaneously file is carried out validity and detects, and the original program file that utilizing simultaneously decompresses generates upgrades the program of mobile terminal device.
Further, described step C specifically comprises:
The decompression algorithm function interface that step C1. mobile terminal device calls with update service device agreement carries out decompress(ion) to the upgrade file of downloading; If decompress(ion) failure; Then delaying time reattempted decompress(ion) in 60 seconds, and maximum attempts is 3, and failure reaches the qualification number of times and then carries out flow process again
,Otherwise and the result behind the successful decompress(ion) write cache file;
Step C2. mobile terminal device carries out the validity judgement to the file of decompress(ion) output, then carries out flow process again if file is invalid
,Again file in download if file is effective, is carried out subsequent step C3;
The content of step C3. mobile terminal device copy decompress(ion) cache file starts terminal program then and guides more new technological process to the program load domain;
Step C4. mobile terminal device boot is copied to program operating field with the data of program load domain, the initialization terminal program, and begin to carry out new procedures;
Step C5. mobile terminal device is upgraded successfully through wireless network or SMS short message notification update service device after getting into and carrying out new procedures.
A kind of method of utilizing wireless network to the quick remote update of portable terminal program, wherein the transmission window interaction flow is following:
Mobile terminal device and remote update server are through the window transmission mechanism; Arrange N the data that the data AKU is a transmission window; Portable terminal receive a window data receive to wait for that counter is overtime or receive server replying the inquiry packet of waiting for the overtime transmission of counter after just to server reception result notice, i.e. " multiframe downlink data, a frame upstream data " current relatively transfer of data commonly used of mode " a frame downlink data; a upstream data " mode; Suppose that under the situation of identical network environment and transmits data packets size the transmission time that the update service device issues data to portable terminal equals the time of portable terminal upstream data update service device, is T; Then accomplish N (greater than the 1) frame data of a window of transmission; Under the perfect condition, the used time of the inventive method is (N+1) * T, but not the used time of windowing mechanism is (2N) * T; Reduce the transmission time of (N-1) * T in theory, will save the time of M* (N-1) * T for the download that can cut apart the upgrade file of M window in theory.
Wherein for the value of N, need select according to factors such as the bandwidth of actual wireless network, packet size, the server service device network bandwidth, remote update terminal linking numbers, can set up following relational expression and confirm according to qualifications:
N=
; Wherein
is the Wi-Fi downstream rate;
is the server network bandwidth; KBps gets in unit;
is remote update terminal linking number;
is transmits data packets size (being not more than networking MTU size); KB gets in unit, and wherein
and
value relates to system resource configuration and operation cost.
Through selecting the numerical value of N according to qualifications, the upgrade file method for down loading that the present invention adopts reduces the time of transfer of data effectively, accelerates the remote update of portable terminal program.
The inventive method has also been utilized document breakpoint transmission mechanism in the upgrade file downloading process in addition; Avoid effectively downloading the situation of whole file again because of factors such as unstable networks, server failure cause file; And only download from the initial data of breakpoint, saved under the abnormality file download time.
The inventive method adopts file verification mechanism in the upgrade file downloading process simultaneously; Realize the data reliable interaction between upgrade server and the portable terminal; The loss of data of avoiding factor such as unstable networks to cause causes the upgrading failure; Thereby realize the success rate that transaction file is downloaded, for the successful renewal of terminal program one of is laid a good foundation.
With reference to shown in Figure 2; A kind of system that utilizes wireless network to the quick remote update of portable terminal program comprises vehicle mobile terminals 1, cordless communication network 2 and update service device 3, wherein; Said car-mounted terminal 1 comprises communication module 11, new technological process more below said system adopts:
Flow process 3. is carried out the GZIP decompression in this locality to the compressed package of having downloaded; The original program file that utilizes the GZIP decompression to generate upgrades the program of vehicle mobile terminals 1 equipment; Behind the vehicle mobile terminals 1 equipment success refresh routine; Upgrade successfully through cordless communication network 2 or SMS short message notification update service device, finish this remote update.
Further; In the described flow process 1; Parameter among formula N=
is provided with according to the vehicle position information dress system of actual motion; Vehicle mobile terminals 1 connects through GPRS network, and K is a current GPRS network downstream rate, and its value is K ≈ 7KBps; M is the system server network bandwidth, and its value is M=4*1024 KBps; L is vehicle mobile terminals 2 numbers that single carries out remote update, and its value is
=1024; P is the transmits data packets size, and its value is
=0.5KB; Get N=
=8 through formula.
The invention has the beneficial effects as follows: method of the present invention has combined cordless communication network, data compression, the quick interaction technique of data in one; Realization is to the quick remote update of mobile terminal device program; Mechanism and multiple through data compression, window transmission, breakpoint transmission, file verification; The realization portable terminal can quickly and reliably be downloaded the remote upgrade file, thereby has realized the quick remote update of mobile terminal device.
System of the present invention has carried out the GZIP data compression process in advance at the refresh routine bag; Greatly reduce the transmits data packets size, therefore under comparable bandwidths and transmission speed, because the minimizing of data amount transmitted; The corresponding minimizing of the time of remote download, the also corresponding raising of downloading reliability; Downloading process has adopted transmission window mechanism in addition, and according to the real system parameter, utilizes out of kilter method; Select the window number N of optimization; Optimally reduce the interaction times of data downloading process, correspondingly reduce the mutual loss time, improve the speed of download of transaction file; Utilize breakpoint transmission mechanism to avoid factors such as network failure, server failure to cause file to download the imperfect situation of downloading whole file again effectively, and only download, saved under the abnormality file download time from the initial data of breakpoint; File this method adopts file verification mechanism in the upgrade file downloading process simultaneously; Realize the data reliable interaction between upgrade server and the portable terminal; The loss of data of avoiding factor such as unstable networks to cause causes the upgrading failure, thereby realizes the success rate that transaction file is downloaded.
Although specifically show and introduced the present invention in conjunction with preferred embodiment; But the those skilled in the art should be understood that; In the spirit and scope of the present invention that do not break away from appended claims and limited; Can make various variations to the present invention in form with on the details, be protection scope of the present invention.
Claims (7)
1. a method of utilizing wireless network to the quick remote update of portable terminal program is characterized in that, may further comprise the steps:
Steps A. when mobile terminal device needed the remote update program, leading subscriber at first compressed ROMPaq, and the ROMPaq compressed package is committed on the update service device;
Step B. when mobile terminal device receive the update instruction of remote update server or detect upgrade server automatically have effective refresh routine version after; Mobile terminal device utilizes that data are fast mutual, breakpoint transmission and file verification mechanism and multiple, the compressed package on the update service device is downloaded to this locality and is stored on the storage medium through cordless communication network;
Step C. mobile terminal device carries out decompression in this locality to the program updates compressed package that success is downloaded, and simultaneously file is carried out validity and detects, and the original program file that utilizing simultaneously decompresses generates upgrades the program of mobile terminal device.
2. a kind of method of utilizing wireless network to the quick remote update of portable terminal program according to claim 1 is characterized in that described steps A comprises:
Steps A 1. leading subscribers compression algorithm according to a preconcerted arrangement and compression export file name rule, the file that will be used to upgrade terminal program carries out data compression;
Steps A 2. leading subscribers will compress successful transaction file and be committed on the upgrading update service device;
Steps A 3. leading subscribers through association need refresh routine portable terminal, carry out configuration effort such as program version coupling, and start the download flow process of transaction file;
Steps A 4. remote update servers are through instruction of wireless network short message issuing immediate updating or setting terminal program effective marker to be updated.
3. a kind of method of utilizing wireless network to the quick remote update of portable terminal program according to claim 1 is characterized in that described step B comprises:
Step B1. mobile terminal device is received the update instruction of remote update server or detects upgrade server automatically and have effectively renewal version that portable terminal and update service device are set up upgrade file and downloaded communication link; And agreement transmission window attribute, comprise window data frame number N and maximum data frame length L;
Step B2. update service device reads and compresses good upgrade file; The verification of calculating whole file according to the checking algorithm of communications protocol agreement with; And, file is carried out fragment process, and number according to the order of sequence one by one according to the data packet length that host-host protocol is appointed;
Step B3. update service device encapsulates according to the burst of host-host protocol to upgrade file in regular turn; According to the transmission window attribute of appointing; Call the network data transmission interface packaged N frame window data are sent to portable terminal; The transmission bag sequence number of record current window, and the current window portable terminal is set replys the wait counter;
Wherein protocol encapsulation comprises but do not limit following information: total data frame number, current window start frame sequence number, present frame sequence number, frame data, counter values are provided with reference to real network environment, window data frame number N, send interval etc.;
Step B4. mobile terminal device receives the upgrading data packet that the update service device issues; And according to the numbering of packet, write in regular turn in the interim buffer memory, write down current reception bag sequence number; If packet is the new window Frame, portable terminal will start to receive waits for counter;
Step B5. receives interaction process to upgrade file respectively by following situation:
Situation 1; If portable terminal collects the update service device when issuing the current window packet; To receive data in buffer temporarily and write file; And preserve the length that upgrade file has received, and will send complete reception result notice and close reception wait counter to the update service device simultaneously, the update service device starts next window data and issues;
Situation 2; If the update service device detects the portable terminal response message wait for that counter is overtime after; To send instruction inquiry current window reception condition to portable terminal; Portable terminal is according to the reception condition answering server and reset reception wait counter, and the update service device is reissued obliterated data according to the terminal responds result or started next window data and downloads, and resets portable terminal and reply the wait counter;
Situation 3; After if portable terminal receives and waits for that counter is overtime; To send the reception result notice and reset to the update service device and receive the wait counter; The update service device is according to the terminal reception result, judges whether to reissue obliterated data or starts next window data to issue, and reset portable terminal and reply the wait counter;
Step B6. portable terminal is through above-mentioned steps B3, B4, B5; After collecting the upgrade file packet; Upgrade file is calculated in employing with the identical checking algorithm of update service device agreement verification with; The verification that issues with the verification of calculating gained with upgrade server with compare, then begin to carry out the more new technological process of terminal program as if the two unanimity
;If inconsistent, then the update notifications server is carried out download step B3, B4 again, and B5 is until downloading successfully.
4. a kind of method of utilizing wireless network to the quick remote update of portable terminal program according to claim 3 is characterized in that, the transmission window among the described step B1 is update service device and each group data interaction flow process of portable terminal; Data frame number N among the described step B1 is the data frame number that the update service device issues a window period.
5. a kind of method of utilizing wireless network to the quick remote update of portable terminal program according to claim 3; It is characterized in that; Computing formula N=
selects data download transmission window according to qualifications, and described L is the terminal number that single carries out remote update.
6. a kind of method of utilizing wireless network to the quick remote update of portable terminal program according to claim 3 is characterized in that described step B5 also comprises following situation:
Situation 4, portable terminal and update service device are in data exchange process, because the data downloading process that abnormal conditions such as network failure, update service device or portable terminal operation irregularity cause is interrupted; After communication recovers normally; Portable terminal will be initiated the breakpoint transmission request to the update service device according to breakpoint location (portable terminal successfully finishes receiving the upgrade file length that a window data is preserved), and the update service device is according to breakpoint location; Execution in step B3 resends upgrading data packet.
7. a kind of method of utilizing wireless network to the quick remote update of portable terminal program according to claim 1 is characterized in that described step C comprises:
The decompression algorithm function interface that step C1. mobile terminal device calls with update service device agreement carries out decompress(ion) to the upgrade file of downloading; If decompress(ion) failure; The T that then delays time reattempts decompress(ion) second, and maximum attempts is 3, and failure reaches the qualification number of times and then carries out flow process again
,Otherwise and the result behind the successful decompress(ion) write cache file;
Step C2. mobile terminal device carries out the validity judgement to the file of decompress(ion) output, then carries out flow process again if file is invalid
,Again file in download if file is effective, is carried out subsequent step C3;
The content of step C3. mobile terminal device copy decompress(ion) cache file starts terminal program then and guides more new technological process to the program load domain;
Step C4. mobile terminal device boot is copied to program operating field with the data of program load domain, the initialization terminal program, and begin to carry out new procedures;
After step C5. mobile terminal device gets into and carries out new procedures, through the success of wireless network update notifications server updating.
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| CN103841106A (en) * | 2014-03-10 | 2014-06-04 | 珠海市君天电子科技有限公司 | Data updating method and device of servers |
| CN103838802A (en) * | 2012-11-26 | 2014-06-04 | 财团法人资讯工业策进会 | Data processing apparatus and data processing method |
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