CN101883271B - Method and system for controlling data code rate in wireless video conferencing system - Google Patents
Method and system for controlling data code rate in wireless video conferencing system Download PDFInfo
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- CN101883271B CN101883271B CN201010198321.9A CN201010198321A CN101883271B CN 101883271 B CN101883271 B CN 101883271B CN 201010198321 A CN201010198321 A CN 201010198321A CN 101883271 B CN101883271 B CN 101883271B
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Abstract
The invention discloses a method for controlling data code rate in a wireless video conferencing system, which comprises the following steps: when data code rate is required to be adjusted, transmitting a request message for adjusting the data code rate to a conference control system by a mobile terminal; after the conference control system receives the request message, determining the mobile terminal to support the data code rate requested in the request message and transmitting a signalling for altering the data code rate to the mobile terminal; and after receiving the signalling, adjusting own unloading data code rate by the mobile terminal according to the target data code rate in the signalling. The invention also discloses a system for controlling the data code rate in the wireless video conferencing system. By adopting the method and the system in the invention, data code rate control can be realized in the wireless video conferencing system.
Description
Technical Field
The invention relates to a wireless video conference system technology, in particular to a method and a system for controlling data code rate in a wireless video conference system.
Background
The wireless video conference system is a brand new video conference mode established on a wireless communication network and a fixed video conference system. Specifically, the mobile terminal is connected with a conference control system of a fixed conference television system through a wireless communication network, and performs connection and data exchange of a conference television with other wireless or wired terminals through the conference control system.
The current wireless communication network is mainly a third generation mobile communication technology (3G) network, and in the 3G network, all users share a limited bandwidth, and the bandwidth is less than half of that of a fixed network, so in a wireless video conference system, video data is generally transmitted with the lowest definition or the optimized definition. The sharpness is characterized by the data rate.
However, in some situations, the user needs to improve the resolution, even work with the highest resolution, such as: the user needs to switch the uploading data code rate of the mobile terminal so as to provide service for the user better.
However, at present, no technical scheme for controlling the data code rate in the wireless video conferencing system exists.
Disclosure of Invention
In view of the above, the main objective of the present invention is to provide a method and a system for controlling a data rate in a wireless video conferencing system, which can achieve the purpose of controlling the data rate in the wireless video conferencing system.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a method for controlling data rate in a wireless video conferencing system, the method comprising:
when the data code rate needs to be adjusted, the mobile terminal sends request information for adjusting the data code rate to a conference control system;
after receiving the request information, the conference control system determines that the mobile terminal supports the data code rate requested in the request information, and sends a signaling for changing the data code rate to the mobile terminal; and after receiving the signaling, the mobile terminal adjusts the uploading data code rate according to the target data code rate in the signaling.
After the mobile terminal finishes adjusting the upload data code rate, the method further comprises the following steps: and sending a switching completion message to the conference control system.
Before determining that the mobile terminal supports the data code rate requested in the request message, the method further comprises: and the conference control system judges whether the mobile terminal supports the requested data code rate or not according to the terminal information registered by the mobile terminal and the authentication information of the mobile terminal which are stored by the conference control system.
The determining whether the mobile terminal supports the requested data code rate specifically includes: judging whether the authentication information of the mobile terminal in the request information can be matched with the authentication information of the mobile terminal stored by the mobile terminal, comparing the requested data code rate with the maximum data code rate supported by the mobile terminal after the matching is determined, and if the requested data code rate is less than or equal to the maximum data code rate, considering that the mobile terminal supports the requested data code rate; and if the requested data code rate is greater than the maximum data code rate, the mobile terminal is considered not to support the requested data code rate.
The method further comprises the following steps: and when the requested data code rate is slightly larger than the maximum data code rate, the maximum data code rate is taken as a target data code rate, and a signaling for changing the data code rate is sent to the mobile terminal.
The method further comprises the following steps: and when the mobile terminal does not support the requested data code rate, sending an unsupported signaling to the mobile terminal.
A system for controlling data rate in a wireless video conferencing system, comprising: a mobile terminal and a conference control system; wherein,
the mobile terminal is used for sending request information for adjusting the data code rate to the conference control system, receiving a signaling for changing the data code rate sent by the conference control system, and adjusting the self uploading data code rate according to the target data code rate in the signaling after receiving the signaling;
and the conference control system is used for receiving the request information for adjusting the data code rate sent by the mobile terminal, determining that the mobile terminal supports the data code rate requested in the request information after receiving the request information, and sending a signaling for changing the data code rate to the mobile terminal.
The mobile terminal is also used for sending a switching completion message to the conference control system after the adjustment of the uploaded data code rate is completed;
the conference control system is also used for receiving a switching completion message sent by the mobile terminal.
The conference control system includes: the device comprises a storage module, a data flow control module and a sending module; wherein,
the storage module is used for storing terminal information registered by the mobile terminal and authentication information of the mobile terminal;
the data flow control module is used for judging whether the mobile terminal supports the requested data code rate according to the terminal information registered by the mobile terminal and the authentication information of the mobile terminal stored in the storage module after the conference control system receives the request information, and sending the target data code rate to the sending module after the mobile terminal determines the support; after the non-support is determined, sending the non-support information to a sending module;
the sending module is used for sending a signaling for changing the data code rate to the mobile terminal after receiving the target data code rate sent by the data flow control module; or after receiving the unsupported information sent by the data flow control module, sending an unsupported signaling to the mobile terminal;
the mobile terminal is further configured to receive an unsupported signaling sent by the sending module.
The mobile terminal comprises a data code rate control module, which is used for adjusting the uploading data code rate of the mobile terminal according to the target data code rate in the signaling after the mobile terminal receives the signaling for changing the data code rate.
According to the method and the system for controlling the data code rate in the wireless conference television system, when the data code rate needs to be adjusted, the mobile terminal sends request information for adjusting the data code rate to the conference control system; after receiving the request information, the conference control system determines that the mobile terminal supports the data code rate requested in the request information, and sends a signaling for changing the data code rate to the mobile terminal; after the mobile terminal receives the signaling, the uploading data code rate of the mobile terminal is adjusted according to the target data code rate in the signaling, so that the control of the data code rate can be realized in the wireless conference television system.
In addition, when the conference control system determines that the mobile terminal does not support the requested data code rate, the conference control system sends an unsupported signaling to the mobile terminal, so that the mobile terminal can be ensured to upload data within the maximum data code rate range supported by the mobile terminal, and the stability of the wireless television conference system is further ensured.
Drawings
Fig. 1 is a schematic flow chart of a method for controlling data code rate in a wireless video conference system according to the present invention;
fig. 2 is a schematic flow chart of a method for controlling a data code rate in a wireless video conference system according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a system structure for controlling data code rate in the wireless video conference system according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The method for controlling the data code rate in the wireless conference television system of the invention, as shown in figure 1, comprises the following steps:
step 101: when the data code rate needs to be adjusted, the mobile terminal sends request information for adjusting the data code rate to a conference control system;
here, the timing of the data code rate needing to be adjusted is as follows: other terminals connected with the conference control system need to clearly see important information such as characters, views or images; other terminals inform the mobile terminal of the required data code rate, and after receiving the notice, the mobile terminal sends request information for adjusting the data code rate to a conference control system; or,
the user of the mobile terminal automatically requires to adjust the data code rate through input;
the request information for adjusting the data code rate includes: the number of the mobile terminal, the requested data code rate, the version number of the mobile terminal and the authentication information of the mobile terminal.
Step 102: after receiving the request information, the conference control system determines that the mobile terminal supports the data code rate requested in the request information, and sends a signaling for changing the data code rate to the mobile terminal;
here, the signaling for changing the data code rate includes: and (4) target data code rate.
Step 103: after the mobile terminal receives the signaling, the mobile terminal adjusts the uploading data code rate according to the target data code rate in the signaling;
here, after adjusting the upload data code rate, the mobile terminal sends a switching completion message to the conference control system; the handover complete message may indicate that the handover is successful, or may indicate that the handover is failed.
Fig. 2 is a flowchart illustrating a method for controlling a data rate in a wireless video conferencing system according to a specific embodiment of the present invention, as shown in fig. 2, including the following steps:
step 201: when the data code rate needs to be adjusted, the mobile terminal sends request information for adjusting the data code rate to a conference control system;
here, the format of the request information may be: command word + information content + length of information content + check code of information content; wherein, the command word requires to change the uploading code rate; the information content at least comprises: the number of the mobile terminal, the requested data code rate, the version number of the mobile terminal and the authentication information of the mobile terminal; the check code of the information content is used for verifying the correctness of the information content.
Step 202: after receiving the request information, the conference control system judges whether the mobile terminal supports the requested data code rate according to the terminal information registered by the mobile terminal and the authentication information of the mobile terminal stored by the conference control system, if so, the conference control system executes the step 203, otherwise, the conference control system sends an unsupported signaling to the mobile terminal and finishes the current processing flow;
here, the terminal information registered by the mobile terminal includes: the model of the mobile terminal and the supported version number; the conference control system can obtain the maximum data code rate supported by the mobile terminal according to the model number and the supported version number of the mobile terminal;
after the mobile terminal is registered in the conference control system, the conference control system returns authentication information of the mobile terminal to the mobile terminal;
the determining whether the mobile terminal supports the requested data code rate specifically includes:
judging whether the authentication information of the mobile terminal in the request information can be matched with the authentication information of the mobile terminal stored by the mobile terminal, after the matching is determined, comparing the requested data code rate with the maximum data code rate supported by the mobile terminal, if the requested data code rate is less than or equal to the maximum data code rate, considering that the mobile terminal supports the requested data code rate, executing step 203, if the requested data code rate is greater than the maximum data code rate, considering that the mobile terminal does not support the requested data code rate, sending an unsupported signaling to the mobile terminal, and ending the current processing flow; if the requested data code rate is slightly larger than the maximum data code rate, the maximum data code rate is used as a target data code rate, and a signaling for changing the data code rate is sent to the mobile terminal; generally, the bit rate slightly greater than the maximum data code rate means that the resolution is less than 10% of the requested data code but not less than the standard resolution of the next level because the terminal is in the resolution of the non-standard mode;
when the matching is determined not to be possible, sending a signaling without the right to adjust the data code rate to the mobile terminal;
step 203: the conference control system sends a signaling for changing the data code rate to the mobile terminal;
here, the format of the signaling for changing the data code rate is as follows: length of command word + information content; wherein the command word is used for changing the uploading code rate; the information content at least comprises: the number of the mobile terminal and the target data code rate;
when the requested data code rate is smaller than the maximum data code rate, the target data code rate is equal to the requested data code rate; when the requested data code rate is slightly larger than the maximum data code rate, the target data code rate is equal to the maximum data code rate;
step 204: and after receiving the signaling, the mobile terminal adjusts the uploading data code rate according to the target data code rate in the signaling.
Step 205: and after the mobile terminal finishes adjusting the uploaded data code rate, sending a switching completion message to the conference control system, and ending the current processing flow.
Based on the above method, the present invention further provides a system for controlling data rate in a wireless video conference system, as shown in fig. 3, including a mobile terminal 31 and a conference control system 32; wherein,
the mobile terminal 31 is configured to send request information for adjusting a data code rate to the conference control system 32, receive a signaling for changing the data code rate sent by the conference control system 32, and adjust an upload data code rate according to a target data code rate in the signaling after receiving the signaling;
the conference control system 32 is configured to receive request information for adjusting a data code rate sent by the mobile terminal 31, determine that the mobile terminal 31 supports the data code rate requested in the request information after receiving the request information, and send a signaling for changing the data code rate to the mobile terminal 31.
The mobile terminal 31 is further configured to send a switching completion message to the conference control system 32 after adjusting the uploaded data code rate;
the conference control system 32 is further configured to receive a handover complete message sent by the mobile terminal 31.
In the above system, the conference control system 32 includes: a storage module 321, a data flow control module 322 and a sending module 323; wherein,
a storage module 321, configured to store terminal information registered by the mobile terminal and authentication information of the mobile terminal;
a data flow control module 322, configured to, after the conference control system 32 receives the request information, determine whether the mobile terminal 31 supports the requested data code rate according to the terminal information registered by the mobile terminal 31 and the authentication information of the mobile terminal stored in the storage module 321, and after determining that the mobile terminal supports the request, send the target data code rate to the sending module 323; after the non-support is determined, sending the non-support information to a sending module 323;
a sending module 323, configured to send a signaling for changing the data code rate to the mobile terminal 31 after receiving the target data code rate sent by the data flow control module 322; or after receiving the unsupported information sent by the data flow control module 322, send an unsupported signaling to the mobile terminal 31;
the mobile terminal 31 includes a data rate control module 311, configured to adjust an upload data rate of the mobile terminal 31 according to a target data rate in a signaling after the mobile terminal 31 receives the signaling for changing the data rate;
the mobile terminal 31 is further configured to receive an unsupported signaling sent by the sending module 323.
The data flow control module 322 is further configured to send information for adjusting the data rate without right to the sending module 323 after determining that the authentication information of the mobile terminal in the request information cannot be matched with the authentication information of the mobile terminal stored in the request information;
the sending module 323 is configured to send a signaling of adjusting the data code rate without the right to the mobile terminal 31 after receiving the information of adjusting the data code rate without the right sent by the data flow control module 322;
the mobile terminal 31 is further configured to receive a signaling sent by the sending module 323 for adjusting the data code rate without the right.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalents, improvements, etc. that are within the spirit and principle of the present invention should be included in the present invention.
Claims (8)
1. A method for controlling data rate in a wireless video conferencing system, the method comprising:
when the data code rate needs to be adjusted, the mobile terminal sends request information for adjusting the data code rate to a conference control system;
after receiving the request information, the conference control system judges whether the mobile terminal supports the requested data code rate according to terminal information which is stored by the conference control system and registered by the mobile terminal and contains the model number and the supported version number of the mobile terminal and authentication information of the mobile terminal; determining the data code rate requested by the mobile terminal support request information, and sending a signaling for changing the data code rate to the mobile terminal; after the mobile terminal receives the signaling, the mobile terminal adjusts the uploading data code rate according to the target data code rate in the signaling; wherein,
the determining whether the mobile terminal supports the requested data code rate specifically includes:
judging whether the authentication information of the mobile terminal in the request information can be matched with the authentication information of the mobile terminal stored by the mobile terminal, obtaining the maximum data code rate supported by the mobile terminal according to the model and the supported version number of the mobile terminal after the authentication information can be matched, comparing the requested data code rate with the maximum data code rate supported by the mobile terminal, and if the requested data code rate is less than or equal to the maximum data code rate, considering that the mobile terminal supports the requested data code rate; if the requested data code rate is greater than the maximum data code rate, the mobile terminal is considered not to support the requested data code rate;
the time for adjusting the data code rate is as follows: when other terminals connected with the conference control system need to see clearly important information, the other terminals inform the mobile terminal of the required data code rate, and after receiving the information, the mobile terminal sends request information for adjusting the data code rate to the conference control system; or,
and the user of the mobile terminal automatically requires to adjust the data code rate through input.
2. The method of claim 1, wherein after the mobile terminal completes adjusting the upload data rate, the method further comprises: and sending a switching completion message to the conference control system.
3. The method according to claim 1 or 2, characterized in that the method further comprises:
and when the requested data code rate is slightly larger than the maximum data code rate, the maximum data code rate is taken as a target data code rate, and a signaling for changing the data code rate is sent to the mobile terminal.
4. A method according to claim 1 or 2, characterized in that the method further comprises:
and when the mobile terminal does not support the requested data code rate, sending an unsupported signaling to the mobile terminal.
5. A system for controlling data rate in a wireless video conferencing system, comprising: a mobile terminal and a conference control system; wherein,
the mobile terminal is used for sending request information for adjusting the data code rate to the conference control system, receiving a signaling for changing the data code rate sent by the conference control system, and adjusting the self uploading data code rate according to the target data code rate in the signaling after receiving the signaling;
the conference control system is used for receiving request information for adjusting the data code rate sent by the mobile terminal, and judging whether the mobile terminal supports the requested data code rate or not according to terminal information which is stored by the conference control system and contains the model number and the supported version number of the mobile terminal and registered by the mobile terminal and authentication information of the mobile terminal; and after determining the data code rate requested in the request information supported by the mobile terminal, sending a signaling for changing the data code rate to the mobile terminal; wherein,
the determining whether the mobile terminal supports the requested data code rate specifically includes:
judging whether the authentication information of the mobile terminal in the request information can be matched with the authentication information of the mobile terminal stored by the mobile terminal, obtaining the maximum data code rate supported by the mobile terminal according to the model and the supported version number of the mobile terminal after the authentication information can be matched, comparing the requested data code rate with the maximum data code rate supported by the mobile terminal, and if the requested data code rate is less than or equal to the maximum data code rate, considering that the mobile terminal supports the requested data code rate; if the requested data code rate is greater than the maximum data code rate, the mobile terminal is considered not to support the requested data code rate;
the timing of adjusting the data code rate is as follows: when other terminals connected with the conference control system need to see clearly important information, the other terminals inform the mobile terminal of the required data code rate, and after receiving the information, the mobile terminal sends request information for adjusting the data code rate to the conference control system; or,
and the user of the mobile terminal automatically requires to adjust the data code rate through input.
6. The system of claim 5,
the mobile terminal is also used for sending a switching completion message to the conference control system after the adjustment of the uploaded data code rate is completed;
the conference control system is also used for receiving a switching completion message sent by the mobile terminal.
7. The system of claim 5 or 6,
the conference control system includes: the device comprises a storage module, a data flow control module and a sending module; wherein,
the storage module is used for storing terminal information registered by the mobile terminal and authentication information of the mobile terminal;
the data flow control module is used for judging whether the mobile terminal supports the requested data code rate according to the terminal information registered by the mobile terminal and the authentication information of the mobile terminal stored in the storage module after the conference control system receives the request information, and sending the target data code rate to the sending module after the mobile terminal determines the support; after the non-support is determined, sending the non-support information to a sending module;
the sending module is used for sending a signaling for changing the data code rate to the mobile terminal after receiving the target data code rate sent by the data flow control module; or after receiving the unsupported information sent by the data flow control module, sending an unsupported signaling to the mobile terminal;
the mobile terminal is further configured to receive an unsupported signaling sent by the sending module.
8. The system of claim 5 or 6,
the mobile terminal comprises a data code rate control module, which is used for adjusting the uploading data code rate of the mobile terminal according to the target data code rate in the signaling after the mobile terminal receives the signaling for changing the data code rate.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004071098A1 (en) * | 2003-02-05 | 2004-08-19 | Video Domain Technologies Ltd. | Parallel video transmission |
| CN1558679A (en) * | 2004-01-19 | 2004-12-29 | 上海交通大学 | Intelligent video content monitoring system based on IP network |
| WO2005050582A2 (en) * | 2003-11-18 | 2005-06-02 | Intergraph Software Technologies Company | Digital video surveillance |
| CN101478411A (en) * | 2009-01-16 | 2009-07-08 | 深圳华为通信技术有限公司 | Method, device and system for transmitting conference control signaling |
| CN101588490A (en) * | 2009-06-24 | 2009-11-25 | 杭州华三通信技术有限公司 | Method, system and apparatus for adjusting video quality grade |
-
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004071098A1 (en) * | 2003-02-05 | 2004-08-19 | Video Domain Technologies Ltd. | Parallel video transmission |
| WO2005050582A2 (en) * | 2003-11-18 | 2005-06-02 | Intergraph Software Technologies Company | Digital video surveillance |
| CN1558679A (en) * | 2004-01-19 | 2004-12-29 | 上海交通大学 | Intelligent video content monitoring system based on IP network |
| CN101478411A (en) * | 2009-01-16 | 2009-07-08 | 深圳华为通信技术有限公司 | Method, device and system for transmitting conference control signaling |
| CN101588490A (en) * | 2009-06-24 | 2009-11-25 | 杭州华三通信技术有限公司 | Method, system and apparatus for adjusting video quality grade |
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