CN1946087A - Data transmission method and system between movable terminal and server end - Google Patents
Data transmission method and system between movable terminal and server end Download PDFInfo
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- CN1946087A CN1946087A CN 200610159679 CN200610159679A CN1946087A CN 1946087 A CN1946087 A CN 1946087A CN 200610159679 CN200610159679 CN 200610159679 CN 200610159679 A CN200610159679 A CN 200610159679A CN 1946087 A CN1946087 A CN 1946087A
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Abstract
This invention provides a data transmission method and a system between mobile terminals and server ends including: a WAPGW reports to the control end that the radio network negotiates with the mobile terminal to get the largest receiving bandwidth, the controller end determines data to be sent to the mobile terminal based on the maximum receiving bandwidth and the mobile terminal selects from the data to be sent to the mobile terminal and loads the necessary data.
Description
Technical field
The present invention relates to network communications technology field, relate in particular to data transmission method and system between a kind of portable terminal and the server end.
Background technology
Mobile flow medium service is that mobile operator provides online audio frequency and video active multi-media content service by mobile network, fixed broadband network to mobile phone users.This business is because need be for portable terminal provides the Voice ﹠ Video data, services, and is therefore higher to network bandwidth requirement.
Along with the arriving in 3G epoch, 3G network can provide bigger bandwidth for portable terminal, satisfies the needs of streaming media service to bandwidth.
Existing 3G mobile terminal accessing mobile flow medium service, its business realizing flow process generally can be divided into following steps:
Portable terminal packet data protocol (PDP) activates;
Portable terminal obtains streaming media service webpage (PSS Portal), and shows this page on portable terminal;
Portable terminal is by page link access stream media server end (PSS Server), access stream media information.
The webpage of the streaming media service of in the direct access cache of portable terminal, being preserved, the business realizing step of then above-mentioned access stream medium can be reduced to:
Portable terminal packet data protocol (PDP) activates;
Mobile terminal accessing streaming media server end.
More than two 3G mobiles all must obtain the webpage of streaming media service in advance, again according to the links and accesses streaming media server end in the webpage, obtain streaming media service.
Figure 1 shows that the flow chart of first kind of visit in the above-mentioned prior art, this flow process comprises following steps:
Step 11, portable terminal activate request through wireless network to Gateway GPRS Support Node (GGSN) initiation packet data protocol (PDP).
Step 12, GGSN initiate remote authentication dial-up service (RADIUS) charging request to Wireless Application Protocol Gateway (WAP gateway), mobile terminal subscriber information is issued WAP gateway wait for charging, user profile described here comprises: phone number, the bandwidth information of distributing to mobile phone, use APN etc.
Step 13, WAP gateway send the response of chargeing to GGSN, and charging result is returned to GGSN.
Step 14, GGSN send PDP to portable terminal (MS) and activate response, PDP is activated response results return to portable terminal.
Step 15, portable terminal obtain (GET) request to the HTTP that Wireless Application Protocol Gateway sends access stream media business webpage, and acquisition request comprises the webpage of streaming media service link.
Step 16, WAP gateway are transmitted to streaming media service web page server end (PSSPortal Serer) with this request, and add a field in the GET request.
Step 17,18, Streaming Media web page server end return HTTP request response to portable terminal, simultaneously web page contents are issued to portable terminal.
Step 19,20, portable terminal obtain streaming media service by the Streaming Media link that comprises in the acquisition webpage.
Though above prior art can be obtained streaming media service for portable terminal, but because different portable terminals can have different maximum available bandwidths respectively in the 3G of reality method, as 144Kbps, 256Kbps, 384Kbps etc., and also have the different file of stream rate in the streaming media server end, as 120Kbps, 240Kbps, 360Kbps etc.Therefore may occur stream rate when portable terminal uses prior art to use streaming media service in 3G network and be the file of 240Kbps portable terminal transmission data file to the 144Kbps bandwidth, because portable terminal do not have enough bandwidth received data files, thus streaming media service can't be in portable terminal normal play.
Summary of the invention
In view of above-mentioned existing in prior technology problem, the purpose of this invention is to provide the data transmission method and the system of a kind of portable terminal and server end, make portable terminal obtain the data that are no more than its receiving velocity from server end.
The objective of the invention is to be achieved through the following technical solutions:
Data transmission method between a kind of portable terminal and the server end comprises:
The maximum that the controller end obtains portable terminal receives bandwidth;
The controller end determines that according to the described maximum bandwidth that receives server end can be to the data of portable terminal transmission;
Portable terminal is determined to select and to load desired data to the data that portable terminal sends from described via controller.
Before described controller end obtained the maximum reception of portable terminal bandwidth, the maximum that WAP gateway obtains portable terminal received bandwidth, and its acquisition methods comprises:
Portable terminal and wireless network are held consultation, and determine that the maximum data that portable terminal is supported receives bandwidth;
Portable terminal carries out packet data protocol (PDP) activating, and the maximum data that reports this portable terminal to support to WAP gateway in PDP activation receives bandwidth;
The controller end is by carrying out the maximum reception bandwidth that information interaction is obtained portable terminal with WAP gateway.
Described server end comprises streaming media server end, Streaming Media web page server end;
Described streaming media server end comprises a plurality of data content groups, and each data content group comprises the data file that a plurality of contents are identical, filename is identical, stream rate is different.
Described Streaming Media web page server end makes up a plurality of webpages, comprises the relevant information of each data file in each webpage;
Each data file relevant information in the same webpage is corresponding with a data file in the data content group at described each the data file place of streaming media server end, and the transmission rate of the data file of each data file relevant information correspondence is identical.
Describedly receive bandwidth according to maximum and determine that the step of the data file that can send to portable terminal comprises:
The controller end detects the speed of each data content group corresponding data file in the streaming media server end, determines to receive the required bandwidth of each data file;
The controller end compares the maximum reception bandwidth and the required bandwidth of data file of portable terminal, required bandwidth is defined as the data that send to portable terminal less than the maximum data file that receives bandwidth of portable terminal.
Describedly receive bandwidth according to maximum and determine and can also comprise to the step that portable terminal sends data file:
The controller end directly is handed down to portable terminal with the webpage that comprises the described data file relevant information that can send to portable terminal in the Streaming Media web page server end,
Or,
The controller end sends redirect message to portable terminal, by portable terminal according to the sensing of redirect message from the described webpage that comprises the data file relevant information that can send to portable terminal of row access.
Described Streaming Media web page server end makes up a webpage, the relevant information that comprises data file in this webpage, and the entire data files in this webpage in the data content group at each data file relevant information and described each the data file place of streaming media server end is corresponding, and the entire data files in the described data content group has different transmission rates respectively.
Describedly receive bandwidth according to maximum and determine that the step of the data file that can send to portable terminal comprises:
Streaming Media web page server end is sent to portable terminal with the webpage of described structure after receiving the load request of portable terminal;
Portable terminal is selected needs loaded data file according to the data file relevant information, determines the described data content group of loaded data file under in streaming media server that need.
Describedly receive bandwidth according to maximum and determine that the step of the data file that can send to portable terminal also comprises:
The controller end selects required transmission bandwidth to be not more than the maximum data file conduct that receives bandwidth of portable terminal from described streaming media server data content group according to the maximum reception bandwidth of portable terminal can be to the data file of portable terminal transmission, and described controller end can be arranged in the streaming media server, or is arranged at outside the streaming media server.
Data transmission system between a kind of portable terminal and the server end comprises portable terminal, WAP gateway, Streaming Media web page server end and streaming media server end, it is characterized in that described system also comprises:
Control device is used for determining that according to the maximum reception bandwidth of portable terminal server end can be to the data of portable terminal transmission.
Described control device comprises:
The bandwidth information receiver module is used to receive the maximum bandwidth that receives of portable terminal that WAP gateway reports;
Data are selected module, are used for detecting the required bandwidth of each data file of receiving stream media server end, and the data file that required bandwidth is assigned with bandwidth less than portable terminal are defined as the data that send to portable terminal.
Described Streaming Media web page server end comprises webpage generation module, webpage sending module,
Described webpage generation module is used to generate the webpage that comprises stream media information, so that controller end or portable terminal are according to this stream media information loading data file;
Described webpage sending module is used for info web is sent to portable terminal.
Described streaming media server end comprises:
The packet memory module is used for content is identical, that transmission rate is different data file and is kept at same data content group;
Data transmission blocks is used for data file is sent to portable terminal, realizes the loading of portable terminal to data content in the desired data file.
As seen from the above technical solution provided by the invention, the present invention avoids server end to send the data that stream rate exceeds the portable terminal receiving ability to portable terminal by the method that the maximum that reports portable terminal to server end receives bandwidth, avoids causing that cause can't complete reception data because of portable terminal receiving ability deficiency; The present invention uses existing portable terminal and streaming media server end, and implementation method is simple, need not the higher cost input.
Description of drawings
Figure 1 shows that the transfer of data schematic diagram between the portable terminal and server end in the existing 3G technology;
Figure 2 shows that the transfer of data schematic diagram between the portable terminal and server end in the embodiment of the invention one;
Figure 3 shows that the transfer of data schematic diagram between the portable terminal and server end in the embodiment of the invention two;
Figure 4 shows that the transfer of data schematic diagram between the portable terminal and server end in the embodiment of the invention three;
Figure 5 shows that the transfer of data schematic diagram between the portable terminal and server end in the embodiment of the invention four;
Figure 6 shows that the portable terminal and the server end data transmission system schematic diagram of the embodiment of the invention five.
Embodiment
Core of the present invention is to report the maximum of portable terminal through consulting to obtain to receive bandwidth by the WAP (wireless application protocol) WAP gateway to the controller end; The controller end determines that according to the described maximum bandwidth that receives server end can be to the data of portable terminal transmission; Portable terminal is determined to select and to load desired data to the data that portable terminal sends from described via controller.
Say that more specifically core of the present invention is to receive bandwidth by the WAP (wireless application protocol) WAP gateway to the maximum that the controller end reports portable terminal to be assigned with; The controller end is determined the data that can send to portable terminal according to the described maximum bandwidth that receives, and selects and load desired data by the controller end from server end by portable terminal; Server end is no more than the maximum bandwidth that receives of portable terminal to the required bandwidth of stream rate of the file of portable terminal transmission when carrying out file load, prevents to send unusually because of portable terminal receiving ability deficiency causes data content.
Portable terminal and server end carry out at first needing to carry out packet data protocol activation with Wireless Application Protocol Gateway before the transfer of data.In the process of carrying out packet data protocol, portable terminal, wireless network are held consultation, determine that the maximum that portable terminal is supported receives bandwidth, and receive bandwidth to the maximum that the controller end reports portable terminal to support by Wireless Application Protocol Gateway, so that in follow-up information interaction, make the controller end can obtain this bandwidth information.
Server end of the present invention comprises streaming media server end, Streaming Media web page server end, wherein said streaming media server end comprises a plurality of data content groups, and each data content group comprises the data file that a plurality of contents are identical, filename is identical, stream rate is different.
Streaming Media web page server end of the present invention makes up a plurality of webpages according to the required bandwidth situation of each data content group data file in the streaming media server end;
Streaming Media web page server end is divided all data files according to the difference of required bandwidth, the relevant information that will have a data file of identical traffic speed preserve with same webpage in;
Thus, all comprising a plurality of transmission rates identical in each webpage that Streaming Media web page server end makes up is the relevant information of the identical data file of required reception bandwidth;
The relevant information of described data file correspondence comprises the introduction and the address information of data file in the streaming media server end of data content in the data file.
Portable terminal of the present invention need be selected the required data file of portable terminal, the data message in the loading data file from the webpage that Streaming Media web page server end provides when loading data information.
Streaming Media web page server end of the present invention provides the webpage of two kinds of forms to portable terminal, wherein a kind of for the data file information of aforementioned difference according to required reception bandwidth with the different content of same reception bandwidth is kept in the same webpage, become a plurality of webpages according to the different symbiosis of required reception bandwidth; Another kind is shown in the same webpage for the relevant information with all data contents, the relevant information of every kind of data content all in streaming media server to corresponding data content group should be arranged, this data content group comprises that a plurality of contents are identical, transmission rate is different is the different data file of required reception bandwidth.
Provide method for first kind of info web, middle controller end of the present invention is determined the data file that can send to portable terminal, and is realized selecting and the process of loading data file comprises by portable terminal:
The controller end obtains the speed of the data content corresponding data file of each data file in the streaming media server end, draw and receive the required bandwidth of each data file, it obtains and can realize by the detection of controller end convection media server end, also can report realization to the information of controller end by the streaming media server end;
The controller end receives bandwidth with the maximum of portable terminal and compares with the required bandwidth of data file, and required bandwidth is defined as data file to the portable terminal transmission less than the data file of required bandwidth maximum in the maximum data file that receives bandwidth of portable terminal;
The controller end directly is handed down to portable terminal with the webpage that comprises the described data file that can send to portable terminal in the Streaming Media web page server end, or the controller end sends redirect message to portable terminal, by portable terminal according to the sensing of redirect message from the described webpage that comprises the data file that can send to portable terminal of row access;
Portable terminal need to determine the loaded data file by the different data file relevant information of a plurality of contents in the webpage, and loads according to the data content of the address information of data file in the streaming media server end to the data file.
Provide method for second kind of info web, described controller end is determined the data file that can send to portable terminal, and is realized selecting and the process of loading data file data content comprises by portable terminal:
Streaming Media web page server end generates a webpage, and described webpage comprises the relevant information of each data content group in the streaming media server end;
This webpage of mobile terminal accessing, the relevant information by the data content group need to select the data content of loaded data file, and sends load request to the controller end;
The controller end obtains the maximum that portable terminal supports from WAP gateway and receives bandwidth, but and receive bandwidth according to the maximum of portable terminal and from the data content group of streaming media server end, select the loaded data file, it is loaded on portable terminal.
The end of controller described in the present invention can be independent of outside the streaming media server end, or in setting and the streaming media server end.
Below in conjunction with the specific embodiment of the invention accompanying drawing the present invention is elaborated.
In the present invention, PSS Server provides the data file of plurality of kinds of contents, and every kind of data file can be transmitted with a kind of stream rate, also can every kind of data file only transmit with multiple stream rate.
In the embodiment of the invention one and embodiment two, comprise the several data file among the PSS Server, every kind of data file is only transmitted by a kind of stream rate.
Figure 2 shows that the transfer of data schematic diagram between the portable terminal and server end in the embodiment of the invention one, the data content transmission step of data file as shown in Figure 2 comprises:
Step 21, portable terminal send packet data protocol (PDP) by wireless network to Gateway GPRS Support Node (GGSN) and activate request;
The bandwidth of step 22, portable terminal is determined through consultation by portable terminal and wireless network;
GGSN is receiving that PDP activates the request back and initiates remote authentication dial-up service (RADIUS) charging request to Wireless Application Protocol Gateway (WAP gateway), information of mobile terminal is issued WAP gateway wait for charging, information of mobile terminal described here comprises: bandwidth information that portable terminal identification number, portable terminal are supported and use APN;
Step 23, WAP gateway send the response of chargeing to GGSN, and charging result is returned to GGSN.
Step 24, GGSN send PDP to portable terminal (MS) and activate response, PDP is activated response results return to portable terminal;
Step 25, portable terminal obtain (GET) request to the HTTP that WAP gateway sends access stream media business webpage;
Step 26, WAP gateway are transmitted to the controller end with the HTTP request of obtaining, and obtain the maximum reception bandwidth information of adding the portable terminal support in the field of request at this HTTP;
Step 27, controller end parsing HTTP obtain the maximum bandwidth information that receives of portable terminal in the request;
The controller end sends to HTTP request of obtaining and the corresponding reception bandwidth of this request at the Streaming Media web page server end of server end;
Step 28, Streaming Media web page server termination are received HTTP and are obtained the request back and receive bandwidth according to the maximum of portable terminal and will comprise the webpage that this portable terminal can receive the relevant information of entire data files and be issued to the controller end;
The data content difference of each data file in the described webpage, title difference, but transmission rate is identical;
The relevant information of described web data file comprises the content information of data file and the data file address information at the streaming media server end;
Step 29, controller end are forwarded to WAP gateway with the webpage that is received;
Step 210, WAP webmaster are forwarded to portable terminal with the webpage that is received;
Step 211, portable terminal receive webpage, and determine needs loaded data file according to the content information in each data file relevant information in the webpage, need the address information of loading data file to send real time protocol stream (RTSP) request, the data in this data file of request of loading according to this to the streaming media server end;
Step 212, streaming media server end are replied the real-time streaming protocol response to portable terminal after receiving the real-time streaming protocol request, portable terminal and server end streaming media server end are set up the data file transmission channel;
Step 213, streaming media server end send the stream medium data file to portable terminal, realize the transfer of data between portable terminal and Streaming Media.
Figure 3 shows that the transfer of data schematic diagram between the portable terminal and server end in the embodiment of the invention two, data transmission step as shown in Figure 3 comprises:
Step 31, portable terminal send packet data protocol (PDP) through wireless network to Gateway GPRS Support Node (GGSN) and activate request;
The bandwidth of step 32, portable terminal is determined through consultation by portable terminal and wireless network;
GGSN is receiving that PDP activates the request back and initiates remote authentication dial-up service (RADIUS) charging request to Wireless Application Protocol Gateway (WAP gateway), information of mobile terminal is issued WAP gateway wait for charging, information of mobile terminal described here comprises: bandwidth information that portable terminal identification number, portable terminal are supported and use APN;
Step 33, WAP gateway send the response of chargeing to GGSN, and charging result is returned to GGSN.
Step 34, GGSN send PDP to portable terminal (MS) and activate response, PDP is activated response results return to portable terminal;
Step 35, portable terminal obtain (GET) request to the HTTP that Wireless Application Protocol Gateway sends access stream media business webpage;
Step 36, WAP gateway are transmitted to the controller end with the HTTP request of obtaining, and obtain the maximum reception bandwidth information of adding the portable terminal support in the field of request at this HTTP;
Step 37, controller end are resolved and are obtained the maximum reception bandwidth that the request header field obtains portable terminal, and receive the maximum receiving velocity that bandwidth is determined portable terminal according to this maximum;
The controller end sends redirect message according to the maximum receiving velocity of portable terminal to portable terminal, is the webpage in the mobile terminal directional Streaming Media web page server end;
Comprise the relevant information that transmission rate is not more than a plurality of data files of the maximum receiving velocity of portable terminal in the webpage in the described streaming media server end;
Described data file comprises different data contents respectively, but transmits with identical transmission rate, and its transmission rate is not more than the maximum receiving velocity of portable terminal;
Step 38, portable terminal send HTTP to WAP gateway once more and obtain request after receiving redirect message, carry redirection information in this request;
Step 39, WAP gateway are forwarded to Streaming Media web page server end according to the indication of redirect message with the HTTP request of obtaining;
Step 310, Streaming Media web page server end send http response message to WAP gateway, and webpage specified in the redirection information is sent to WAP gateway;
Step 311, WAP gateway are forwarded to portable terminal with http response and web page contents;
Step 312, portable terminal receive webpage, and determine needs loaded data file according to the content information in each data file relevant information in the webpage, need the address information of loading data file to send real time protocol stream (RTSP) request, the data in this data file of request of loading according to this to the streaming media server end;
Step 313, streaming media server end are replied the real-time streaming protocol response to portable terminal after receiving the real-time streaming protocol request, portable terminal and server end streaming media server end are set up data transmission channel, the streaming media server end returns RTSP message to portable terminal, portable terminal and data file are set up got in touch, load so that carry out the data content of data file.
Figure 4 shows that the portable terminal of the embodiment of the invention three and the transfer of data schematic diagram between the server end, in the present embodiment, PSS Server is that same data content is provided with the different data file of a plurality of stream rates, and each the different data file of stream rate that belongs to same data content is stored in the identical address; The file that the controller end is selected to adapt with its bandwidth according to the reception bandwidth of portable terminal transmits.
Data transmission step as shown in Figure 4 comprises:
Step 41, portable terminal send packet data protocol (PDP) through wireless network to Gateway GPRS Support Node (GGSN) and activate request;
The bandwidth of step 42, portable terminal is determined through consultation by portable terminal and wireless network;
GGSN is receiving that PDP activates the request back and initiates remote authentication dial-up service (RADIUS) charging request to Wireless Application Protocol Gateway (WAP gateway), information of mobile terminal is issued WAP gateway wait for charging, information of mobile terminal described here comprises: bandwidth information that portable terminal identification number, portable terminal are supported and use APN;
Step 43, WAP gateway send the response of chargeing to GGSN, and charging result is returned to GGSN.
Step 44, GGSN send PDP to portable terminal (MS) and activate response, PDP is activated response results return to portable terminal;
Step 45, portable terminal obtain (GET) request to the HTTP that Wireless Application Protocol Gateway sends access stream media business webpage;
Step 46, WAP gateway are forwarded to Streaming Media web page server end with the HTTP request of obtaining, and obtain the maximum reception bandwidth information of adding the portable terminal support in the field of request at this HTTP;
Step 47, Streaming Media web page server end are replied http response to WAP gateway, and send web data to WAP gateway;
Preserve the relevant information of entire data files in the streaming media server end in the described Streaming Media web page server end;
Described relevant information comprises the title and the content information of data file;
Step 48, WAP gateway are transmitted to portable terminal with http response and web data, and generate the wire side that comprises the data file relevant information at portable terminal;
The data content that step 49, portable terminal select needs to transmit according to the data file relevant information in the webpage, and to the request of controller end transmission real-time streaming protocol, this data content of request of loading;
Step 410, controller end send portable terminal bandwidth query requests to WAP gateway, and the maximum of acquisition request portable terminal receives bandwidth;
Step 411, WAP gateway send response message and the maximum of portable terminal are received bandwidth to the controller end and send to the controller end;
Step 412, controller end be to the request of streaming media server end distribution real-time streaming protocol, the maximum of portable terminal received bandwidth send to the streaming media server end;
Server end in the present embodiment comprises a plurality of data content groups, and each data content group comprises a plurality of data files that content is identical, stream rate is different;
Streaming media server end or controller end determine to receive the required reception bandwidth of each data file according to the stream rate of data file;
After portable terminal selected data content, the controller end receives bandwidth according to the maximum of this portable terminal the load request of portable terminal is sent to the data file that adapts with its bandwidth in its selected data content group;
The described data file index that adapts with its bandwidth receives bandwidth according to the maximum that the needed reception bandwidth of file is not more than portable terminal;
Step 413, streaming media server end are replied the real-time streaming protocol response to the controller end, determine that data file in the streaming media server end and server end have been set up to get in touch;
Step 414, controller end are forwarded to portable terminal with the real-time streaming protocol response, and so far data file is set up and contacted directly in portable terminal and the server end, and the streaming media server end begins the data content to portable terminal loading data file.
Controller end in the embodiment of the invention three and streaming media server end are independent respectively to be existed, if the controller end is arranged in the streaming media server end, and make other be provided with all with embodiment three in identical, promptly can obtain the embodiment of the invention four.
Figure 5 shows that the portable terminal of the embodiment of the invention four and the transfer of data schematic diagram between the server end.
Fig. 5 and Fig. 4 are compared as can be known, identical among the transfer of data principle of portable terminal and server end and the embodiment three in the embodiment of the invention four, its step of setting up transmission course is also basic identical, after its difference is that the controller end is integrated in streaming media server end inside, portable terminal among the embodiment four directly and the streaming media server end get in touch, the streaming media server end is the reception bandwidth of enquiry mobile terminal from WAP gateway directly, and the suitable data file of option code flow rate is transmitted.
Figure 6 shows that the portable terminal and the server end data transmission system schematic diagram of the embodiment of the invention five.
As shown in Figure 6, the notebook data transmission system comprises portable terminal, WAP gateway, control device, Streaming Media web page server end and streaming media server end.
Wherein, described control device is used for determining that according to the maximum reception bandwidth of portable terminal server end can be to the data of portable terminal transmission that this control device comprises:
The bandwidth information receiver module is used to receive the maximum bandwidth that receives of portable terminal that WAP gateway reports;
Data are selected module, are used for detecting the required bandwidth of each data file of receiving stream media server end, and the data file that required bandwidth is assigned with bandwidth less than portable terminal are defined as the data file that sends to portable terminal.
Described Streaming Media web page server end comprises:
The webpage generation module is used to generate the webpage that comprises stream media information, so that controller end or portable terminal load stream medium data according to this stream media information;
The webpage sending module is used for info web is sent to portable terminal.
Described streaming media server end comprises:
The packet memory module is used for content is identical, that transmission rate is different data file and is kept at same data content group;
Data transmission blocks is used for data file is sent to portable terminal, realizes the loading of portable terminal to the data content of desired data file.
When described system carries out transfer of data, portable terminal will receive bandwidth information and send to control device through the maximum of consulting to obtain;
Control device obtains the webpage that comprises the data file relevant information by the webpage sending module of Streaming Media web page server end, and this webpage is generated by the webpage generation module of Streaming Media web page server end;
Control device receives bandwidth according to the maximum of portable terminal, determines the data file that can send to portable terminal, and its relevant information is sent to portable terminal;
Portable terminal is selected data file according to relevant information;
The data file that control device is selected portable terminal is loaded on portable terminal from the streaming media server end, in this loading procedure, the data file sending module of control device control flows media server end is sent to portable terminal with the data file in the data file packet memory module, realizes the loading of data file data content.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (13)
1, the data transmission method between a kind of portable terminal and the server end is characterized in that, comprising:
The maximum that the controller end obtains portable terminal receives bandwidth;
The controller end determines that according to the described maximum bandwidth that receives server end can be to the data of portable terminal transmission;
Portable terminal is determined to select and to load desired data to the data that portable terminal sends from described via controller.
2, the data transmission method between a kind of portable terminal according to claim 1 and the server end, it is characterized in that, before described controller end obtained the maximum reception of portable terminal bandwidth, the maximum that WAP gateway obtains portable terminal received bandwidth, and its acquisition methods comprises:
Portable terminal and wireless network are consulted, and determine that the maximum data that portable terminal is supported receives bandwidth;
Portable terminal carries out packet data protocol (PDP) activating, and the maximum data that reports this portable terminal to support to WAP gateway in PDP activation receives bandwidth;
The controller end is by carrying out the maximum reception bandwidth that information interaction is obtained portable terminal with WAP gateway.
3, the data transmission method between a kind of portable terminal according to claim 1 and the server end is characterized in that,
Described server end comprises streaming media server end, Streaming Media web page server end;
Described streaming media server end comprises a plurality of data content groups, and each data content group comprises the data file that a plurality of contents are identical, filename is identical, stream rate is different.
4, the data transmission method between a kind of portable terminal according to claim 3 and the server end is characterized in that,
Described Streaming Media web page server end makes up a plurality of webpages, comprises the relevant information of each data file in each webpage;
Each data file relevant information in the same webpage is corresponding with a data file in the data content group at described each the data file place of streaming media server end, and the transmission rate of the data file of each data file relevant information correspondence is identical.
5, the data transmission method between a kind of portable terminal according to claim 4 and the server end is characterized in that, describedly receives bandwidth according to maximum and determines that the step of the data that can send to portable terminal comprises:
The controller end detects the speed of each data content group corresponding data file in the streaming media server end, determines to receive the required bandwidth of each data file;
The controller end compares the maximum reception bandwidth and the required bandwidth of data file of portable terminal, required bandwidth is defined as the data that send to portable terminal less than the maximum data file that receives bandwidth of portable terminal.
6, the data transmission method between a kind of portable terminal according to claim 5 and the server end is characterized in that, describedly receives bandwidth according to maximum and determines and can also comprise to the step that portable terminal sends data:
The controller end directly is handed down to portable terminal with the webpage that comprises the described data file relevant information that can send to portable terminal in the Streaming Media web page server end,
Or,
The controller end sends redirect message to portable terminal, by portable terminal according to the sensing of redirect message from the described webpage that comprises the data file relevant information that can send to portable terminal of row access.
7, the data transmission method between a kind of portable terminal according to claim 3 and the server end is characterized in that,
Described Streaming Media web page server end makes up a webpage, the relevant information that comprises data file in this webpage, and the entire data files in this webpage in the data content group at each data file relevant information and described each the data file place of streaming media server end is corresponding, and the entire data files in the described data content group has different transmission rates respectively.
8, the data transmission method between a kind of portable terminal according to claim 7 and the server end is characterized in that, describedly receives bandwidth according to maximum and determines that the step of the data that can send to portable terminal comprises:
Streaming Media web page server end is sent to portable terminal with the webpage of described structure after receiving the load request of portable terminal;
Portable terminal is selected needs loaded data file according to the data file relevant information, determines the described data content group of loaded data file under in streaming media server that need.
9, the data transmission method between a kind of portable terminal according to claim 8 and the server end is characterized in that, describedly receives bandwidth according to maximum and determines that the step of the data that can send to portable terminal also comprises:
The controller end selects required transmission bandwidth to be not more than the maximum data file conduct that receives bandwidth of portable terminal from described streaming media server data content group according to the maximum reception bandwidth of portable terminal can be to the data file of portable terminal transmission, and described controller end can be arranged in the streaming media server, or is arranged at outside the streaming media server.
10, the data transmission system between a kind of portable terminal and the server end comprises portable terminal, WAP gateway, Streaming Media web page server end and streaming media server end, it is characterized in that described system also comprises:
Control device is used for determining that according to the maximum reception bandwidth of portable terminal server end can be to the data of portable terminal transmission.
11, the data transmission system between a kind of portable terminal according to claim 10 and the server end is characterized in that, described control device comprises:
The bandwidth information receiver module is used to receive the maximum bandwidth that receives of portable terminal that WAP gateway reports;
Data are selected module, are used for detecting the required bandwidth of each data file of receiving stream media server end, and the data file that required bandwidth is assigned with bandwidth less than portable terminal are defined as the data that send to portable terminal.
12, the data transmission system between a kind of portable terminal according to claim 10 and the server end is characterized in that, described Streaming Media web page server end comprises webpage generation module, webpage sending module,
Described webpage generation module is used to generate the webpage that comprises stream media information, so that controller end or portable terminal are according to this stream media information loading data file;
Described webpage sending module is used for info web is sent to portable terminal.
13, the data transmission system between a kind of portable terminal according to claim 10 and the server end is characterized in that, described streaming media server end comprises:
The packet memory module is used for content is identical, that transmission rate is different data file and is kept at same data content group;
Data transmission blocks is used for data file is sent to portable terminal, realizes the loading of portable terminal to data content in the desired data file.
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| CN2006101596794A CN1946087B (en) | 2006-09-30 | 2006-09-30 | Data transmission method and system between movable terminal and server end |
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| CN2006101596794A CN1946087B (en) | 2006-09-30 | 2006-09-30 | Data transmission method and system between movable terminal and server end |
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