CN101621658B - Terminal, and method and system for terminal to realize wireless video conference - Google Patents
Terminal, and method and system for terminal to realize wireless video conference Download PDFInfo
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- CN101621658B CN101621658B CN2009100907855A CN200910090785A CN101621658B CN 101621658 B CN101621658 B CN 101621658B CN 2009100907855 A CN2009100907855 A CN 2009100907855A CN 200910090785 A CN200910090785 A CN 200910090785A CN 101621658 B CN101621658 B CN 101621658B
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Abstract
The invention discloses a method for a terminal to realize wireless video conference, comprising the following steps: a conference creation wireless access terminal (AT) creates a conference member list according to initial participated AT information and transmits a conference creating request including the conference member list to a packet core network (PCN); the PCN establishes wireless resource for conference members in the updated conference member list and initializes point-to-point protocol (PPP) of the conference member, and then transmits the conference creating request to a conference control server, and the wireless video conference is created successfully; the conference control server transmits a data stream transmitted from the participated AT to all ATs other than the conference AT for transmitting the data stream through the PCN; and the conference creation AT updates the conference member list in real time according to the participated AT condition. The invention also discloses a terminal and a system for the terminal to realize wireless video conference. The invention can realize multi-party wireless video conference.
Description
Technical field
The present invention relates to wireless video conference technology in the wireless communication field, relate in particular to the method and system of a kind of wireless access terminal, wireless access terminal realization wireless video conference.
Background technology
Along with wireless broadband network is commercial by extensively, the wireless video function is widely known by people.The high speed data transmission link of wireless broadband network, can satisfy wireless access terminal (AT) provides big data on flows transmission requirements.
Fig. 1 is a wireless broadband system network architecture sketch map.As shown in Figure 1, AT carries out data communication through UM interface and Radio Access Network (RAN), and RAN links to each other with packet-based core networks (PCN) through the A interface.PCN links to each other like internet (Internet) through Pi interface and external IP network, and the Pi interface is followed the IS-835 standard.AT is linked to PCN through inserting RAN, thereby inserts the wireless broadband network system.Wherein, AT is equipped with video, audio collecting devices such as camera, microphone, possesses the video of collection and voice data function.
Yet, can only realize both sides' video calling under the existing 3G system, can't realize the multi-party video conversation.Though existing cable video conference system can be realized the multi-party video conversation, can't be applied in the radio communication, therefore, we can say not real realization wireless video conference conversation on portable terminal, the multi-party video call function can not be provided.End-to-end radio communication can provide the demand of multi-party video conversation, but the wireless video conversation of limited distance can only be provided, and can't really satisfy people and move the middle needs of realizing video conference.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of wireless access terminal, wireless access terminal to realize the method and system of wireless video conference, can realize wireless video conference in many ways.
For achieving the above object, technical scheme of the present invention is achieved in that
The present invention provides a kind of wireless access terminal to realize the method for wireless video conference, it is characterized in that this method comprises:
The conference creation wireless access terminal AT is according to initial participant AT information creating conference member list, and the conference creation request that transmission comprises this conference member list is to packet-based core networks PCN;
PCN sets up Radio Resource for conference member in the conference member list after upgrading, the view member's of guild that goes forward side by side point-to-point protocol PPP initialization, and afterwards, PCN sends conference creation message and gives conference control server, and wireless video conference is created successfully;
Conference control server sends to all participant AT except that the participant AT that sends data flow in the conference member list with participant AT data sent stream through PCN;
Conference creation AT is according to participant AT situation real-time update conference member list.
In the technique scheme, said participant AT situation comprises: participant AT increases or participant AT reduces; Said renewal conference member list comprises: in conference member list, add conference member in conference member or the deletion conference member list.
Wherein, said participant AT increase comprises: interim participant AT adds wireless video conference; Be specially:
Interim participant AT sends interim participant request to PCN;
PCN carries out authentication to this interim participant AT, when the authentication success, sends apply for information and gives conference creation AT;
Conference creation AT is when allowing this interim participant AT to add meeting; This interim participant AT number is added in the conference member list; Send positive acknowledgement message and give PCN; PCN sets up Radio Resource and carries out the PPP initialization for this interim participant AT, and afterwards, PCN sends the conference member list updating message and carries out the renewal of conference member list for establishment AT and conference control server.
In the technique scheme, this method further comprises: conference creation AT is then sent negative acknowledgment message and is given PCN when not allowing this interim participant AT to add meeting, and PCN sends the participant failed message and gives this interim participant AT.
In the technique scheme, said participant AT minimizing comprises: participant AT is asked the appearance of wireless video conference to conference creation AT and/or participant AT withdraws from wireless video conference.
Said conference creation AT is asked the appearance of wireless video conference with participant AT and is specially:
Corresponding participant AT information in the conference creation AT deletion conference member list;
Conference creation AT is sent conference member list change request to PCN, and the PCN request of should changing is transmitted to conference control server, this participant AT information in the conference member list of conference control server deletion self storage.
Wherein, the said participant AT step that withdraws from wireless video conference is specially:
Participant AT sends to PCN and withdraws from request for conference;
PCN discharges the wireless connections of this participant AT, and sends participant AT respectively and withdraw from meeting message to conference creation AT and conference control server;
This participant AT information in conference creation AT and the conference control server deletion conference member list.
In the technique scheme; Said PCN is that conference member is set up before the Radio Resource in the conference member list; This method further comprises: PCN carries out authentication to conference member in the conference member list; According to authenticating result, upgrade conference member list, the conference member of failed authentication in the deletion conference member list.
Wherein, said PCN is that conference member carries out after the PPP initialization in the conference member list, and this method further comprises: PCN returns the conference creation success message and gives conference creation AT.
Said conference member list comprises: conference creation AT number and initial participant AT number.
Comprise in the said conference creation message: each self-corresponding IP address of conference member list after the renewal and conference member.
Comprise in the said conference creation success message: each self-corresponding IP address of conference member that authentication is successful and conference member.
The present invention also provides a kind of wireless access terminal to realize the system of wireless video conference, and this system comprises: conference creation wireless access terminal AT, packet-based core networks PCN, conference control server and initial participant AT; Concrete:
Conference creation AT is used for according to initial participant AT information creating conference member list, and sends the conference creation request that comprises this conference member list and give PCN;
PCN is used in the conference member list after the renewal conference member and sets up Radio Resource and carry out the PPP initialization, sends conference creation message and gives conference control server;
Conference control server is used for participant AT data sent stream is sent to conference member list all participant AT except that the participant AT that sends data flow through PCN;
Initial participant AT is used to obtain the PCN IP address allocated, participates in wireless video conference;
Said conference creation AT is further used for according to participant AT situation real-time update conference member list.
In the technique scheme; Said PCN is that conference member is set up before the Radio Resource in the conference member list, and said PCN also is used for the conference member list conference member is carried out authentication, according to authenticating result; Upgrade conference member list, the conference member of failed authentication in the deletion conference member list.
Said PCN is that conference member carries out after the PPP initialization in the conference member list, and said PCN is further used for returning the conference creation success message and gives conference creation AT.
Said conference member list comprises: conference creation AT number and initial participant AT number.
Comprise in the said conference creation message: each self-corresponding IP address of conference member list after the renewal and conference member.
Comprise in the said conference creation success message: each self-corresponding IP address of conference member that authentication is successful and conference member.
The present invention also provides a kind of wireless access terminal, comprising:
The list creating unit is used for according to initial participant AT information creating conference member list, and stores this conference member list in memory cell;
Control unit, be used for having interim participant AT to add wireless video conference, perhaps, have participant AT to withdraw from or when being asked the appearance of wireless video conference, send update instruction and give memory cell;
Memory cell is used to store conference member list, and according to the update instruction of control unit, real-time update conference member list;
Wherein, conference member list comprises initial participant AT number.
Wireless access terminal of the present invention, wireless access terminal realize that the method and system of wireless video conference are through conference creation AT establishment conference member list; Send to PCN for passing through the conference member distributing IP address in the conference member list of authentication; And send conference creation message and carry out the storage and the distribution of wireless video conference data flow to conference control server; Realize that in many ways wireless video conference satisfies people and carries out two sides even multipart video-meeting freely in moving, simple and fast of the present invention only need be provided with and safeguard conference member list on AT; Need not preset group, just can realize the video voice data transmission of one-to-many at PCN.
Description of drawings
Fig. 1 is a wireless broadband system network architecture sketch map;
Fig. 2 realizes the SNA sketch map of wireless video conference for wireless access terminal of the present invention;
Fig. 3 realizes the schematic flow sheet of the method for wireless video conference for wireless access terminal of the present invention;
Fig. 4 realizes the message flow sketch map of wireless video conference for embodiment of the invention wireless access terminal.
Embodiment
Basic thought of the present invention is: create and safeguard conference member list through conference creation AT; Send to PCN for passing through the conference member distributing IP address in the conference member list of authentication; And send conference creation message and carry out the storage and the distribution of wireless video conference data flow to conference control server; Realize wireless video conference in many ways, satisfy user's demand.
Hereinafter conference creation AT refers to create the AT of wireless video conference; Participant AT refers to participate in the AT of wireless video conference; Initial participant AT refer to wireless video conference create before by the participant AT of this wireless video conference of participation of conference creation AT decision, interim participant AT refers to that successfully creating the back at wireless video conference requires to add or invited the participant AT that adds meeting.
The invention provides a kind of wireless access terminal and realize the system of wireless video conference.Fig. 2 is the SNA sketch map of realization wireless video conference in wireless access terminal of the present invention, and as shown in Figure 2, this system comprises: conference creation AT, PCN, conference control server and initial participant AT; Concrete:
Conference creation AT is used for according to initial participant AT information creating conference member list, and sends the conference creation request that comprises this conference member list and give PCN;
PCN; Be used for the conference member list conference member is carried out authentication; According to authenticating result, upgrade conference member list, for conference member in the conference member list after upgrading is set up Radio Resource; AT distributing IP address is thought in point-to-point protocol (PPP, the Point to Point Protocol) initialization that begins conference member then;
Conference control server is used to receive the conference creation message that PCN sends, the storage and the distribution of control wireless video conference data flow;
Initial participant AT is used to obtain the PCN IP address allocated, participates in wireless video conference.
In the technique scheme, initial participant AT information comprises initial participant AT number and quantity, comprises in the conference member list: conference creation AT number and initial participant AT number; If all participant AT are known, do not have interim participant AT and add meeting, then this conference member list form is: " the initial participant AT of the initial participant AT of * conference creation AT number * number * number ... # ", finish through # number; If there is interim participant AT to add meeting, then this conference member list form is: " the initial participant AT of the initial participant AT of * conference creation AT number * number * number ... ".
Wherein, AT inserts PCN through RAN, and PCN sends the instruction notification RAN that connects and sets up Radio Resource for the successful conference member of all authentications, carries out the PPP initialization of conference member then and thinks conference member distributing IP address.
After wireless video conference was created, interim participant AT can ask to add this wireless video conference, is specially:
Interim participant AT sends interim participant request to PCN;
PCN carries out authentication to this interim participant AT, when failed authentication, sends the participant failed message and gives this interim participant AT; When the authentication success, PCN sends apply for information and gives conference creation AT;
Conference creation AT in the current conference member list of this interim participant AT number adding self, afterwards, is sent positive acknowledgement message and is given PCN when allowing this interim participant AT to add meeting; Conference creation AT is sent negative acknowledgment message and is given PCN when not allowing this interim participant AT to add meeting;
PCN for interim participant AT sets up Radio Resource and carries out the PPP initialization, afterwards, sends the conference member list updating message and gives conference control server when receiving the positive acknowledgement message that conference creation AT is sent; PCN sends the participant failed message and gives this interim participant AT when receiving the negative acknowledgment message that conference creation AT is sent.
Fig. 3 is the schematic flow sheet of the method for realization wireless video conference in wireless access terminal of the present invention, and as shown in Figure 3, the inventive method comprises:
In this step, PCN is initialized as participant AT distributing IP address through PPP; Said renewal conference member list refers to: the conference member of failed authentication in the deletion conference member list;
Comprise in the conference member list after the renewal: the initial participant AT number of authentication success.
In this step, comprise in the conference creation message: each self-corresponding IP address of conference member list after the renewal and conference member;
Comprise in the conference creation success message: each self-corresponding IP address of conference member that authentication is successful and conference member; After conference creation AT is received the conference creation success message, upgrade the conference member list of self and store the corresponding IP address of conference member.
Step 4, conference control server send to all participant AT except that the participant AT that sends data flow in the conference member list with participant AT data sent stream through PCN.
The present invention further comprises: PCN sends the initial participant AT that the participant failed message is given failed authentication.
Conference creation AT is according to participant AT situation real-time update conference member list.
After wireless video conference was created, interim participant AT can ask to add, and realizes through following approach:
1) interim participant AT initiatively sends interim participant request adding wireless video conference, comprising:
Step 10, interim participant AT send interim participant request to PCN;
Step 11, PCN carry out authentication to this interim participant AT, if failed authentication then sends the participant failed message and gives this interim participant AT, if the authentication success, then PCN sends apply for information and gives conference creation AT;
Step 12, conference creation AT be if allow and should add meeting by interim participant AT, then will interim participant AT number adds in self current conference member list, and afterwards, the transmission positive acknowledgement message is to PCN; Conference creation AT is then sent negative acknowledgment message and is given PCN if do not allow this interim participant AT to add meeting;
Step 13, PCN judge whether the response message that conference creation AT is sent is positive acknowledgement message; If positive acknowledgement message; Then set up Radio Resource and carry out the PPP initialization, afterwards, send the conference member list updating message respectively and give establishment AT and conference control server for this interim participant AT; If negative acknowledgment message, then PCN sends the participant failed message and gives this interim participant AT.
Comprise in the said conference member list updating message: the IP address of interim participant AT number and this interim participant AT;
After said establishment AT and conference control server are received said list of conference updating message, upgrade active conference member's tabulation of self storing, the IP address of storing interim participant AT number and this interim participant AT.
2) interim participant AT is invited the adding wireless video conference, comprising:
Conference creation AT is temporarily interrupted meeting; Edit current conference member list; Interim participant AT is added in the conference member list, and initiate the conference creation request to PCN again, PCN will carry out authentication, set up Radio Resource and carry out the PPP initialization the member in the list of conference again; The constructive process of new wireless video conference is said identical with preamble, does not do at this and gives unnecessary details.
In the present invention, AT is used to gather wireless video conference video and voice data, sends signaling flow and data flow; After meeting was successfully set up, AT initiates speech in meeting mode was, pin by saying a key (PTT, Push to Talk) or a button that pre-sets, and camera camera terminal user's image, microphone picks up voice signal; In meeting, answer speech, need not operate, all the other AT play image and the voice of speech side AT automatically.Conference control server receives signaling flow and the data flow from PCN, and the storage and the distribution of control wireless video conference data flow.
Arbitrary AT initiates the Conference Calling request, and request is made a speech, and comprises the sign of AT in the Conference Calling request, like international mobile subscriber identity (IMSI), Electronic Serial Number (ESN) or IP etc.If other member's speeches of current nothing, PCN is designated speech side with this AT, and other AT members are the recipient; If current existing speech side; Then list this AT in waiting list, this wait formation comprises waits to make a speech the AT number, when treating current speaking reef knot Shu Fayan; Conference control server will send authorizes the speech instruction to give the AT in the waiting list; " FIFO " principle is followed in this wait formation, and the corresponding AT in the waiting list is identified as speech side, can initiate speech.
When AT is identified as speech side, conference control server receives the data flow that this speech side AT sends.Afterwards, the conference member in conference member list except that this speech side AT sends this data flow, and the conference member AT that receives data flow accomplishes video and shows.
If the conference creation AT desire is asked the appearance of meeting with a certain participant AT; Then conference creation AT is at first deleted this participant AT from conference member list; Afterwards, send conference member list change request to PCN, the PCN request of should changing is transmitted to conference control server; Carry out the renewal of active conference member tabulation, no longer send when issuing data flow afterwards to this participant AT; Simultaneously, PCN sends and withdraws from meeting message to this participant AT, notifies it to withdraw from meeting.
If a certain participant AT active request withdraws from meeting, this participant AT sends to PCN and withdraws from request for conference; PCN discharges the wireless connections with this participant AT, and sends participant AT respectively and withdraw from meeting message to conference creation AT and conference control server; This conference member and corresponding IP address in conference creation AT and the conference control server deletion conference member list.
Arbitrary participant AT has the right of group's inquiry, can check whole conference members in the conference member list.
When wireless video conference will finish; Conference creation AT sends that meeting adjourned, and PCN is given in instruction; PCN should meeting adjourned instruction be transmitted to conference control server, conference control server is removed the relevant signaling of this meeting, message is given all participant AT to send that meeting adjourned; Conference creation AT is removed this list of conference, and wireless video conference finishes.
The situation of another kind of closing session is: all participant AT all initiatively withdraw from meeting, and then meeting finishes automatically.
The corresponding participant AT of conference member list can realize wireless video conference (half-duplex), i.e. side speech, and other participants AT can receive spokesman's voice and video meeting, conference creation AT needs to create, safeguards and upgrades list of conference.Advantage of the present invention is a simple and fast, only need conference member list be set on conference creation AT, need not the preset group at PCN, just can realize the video voice data transmission of one-to-many.
Further specify the method that wireless video conference is realized in wireless access terminal of the present invention below in conjunction with embodiment.
In the present embodiment, AT 1 is the conference creation terminal, and number is: 133xxxxxxx1; AT 2 is initial participant terminal, and number is: 133xxxxxxx2; AT 3 is interim participant terminal, and number is: 133xxxxxxx3.
Fig. 4 realizes the message flow sketch map of wireless video conference for embodiment of the invention wireless access terminal.As shown in Figure 4, the inventive method comprises:
Step 20, AT 1 create conference member list, and this conference member list comprises AT 1 number and AT 2 numbers, and AT 1 will comprise the conference creation request of this conference member list and give PCN;
In this step, comprise two AT numbers in the conference member list, the form of this conference member list is: " * 133xxxxxxx1*133xxxxxxx2# ".
Step 21, PCN carry out authentication to AT 1 number and AT 2 numbers, and authentication is passed through, for AT 1 and AT 2 set up Radio Resource and carry out the PPP initialization.
Step 22, PCN return the conference creation success message and give AT 1, and send conference creation message and give conference control server, and this wireless video conference is created successfully.
Comprise in the conference creation message: conference member list and AT 1 and AT 2 IP address separately, the number of conference control server storage AT 1 and AT 2 and AT 1 and AT 2 IP address separately.
After wireless video conference was created successfully, arbitrary participant AT can begin to make a call and ask and receive conference control server data sent stream.AT 1 request of making a call, the stream that sends control signaling is given conference control server.Other member's speeches of current nothing, conference control server is designated speech side with AT 1, and AT 2 is the recipient.After AT 1 is identified as speech side, and conference control server receives the data flow of AT 1, send this data flow to AT 2, the AT 2 that receives data flow accomplishes video and shows.When wireless video conference will finish; AT 1 sends that meeting adjourned, and conference control server is given in instruction, and conference control server is removed the relevant signaling of this meeting, and message is given AT 1 and AT 2 to send that meeting adjourned; AT 1 removes this list of conference, and wireless video conference finishes.
After wireless video conference was created successfully, AT 3 desires added this wireless video conference, may further comprise the steps:
Step 30, AT 3 send interim participant request to PCN;
Step 31, PCN carry out authentication to AT 3, the authentication success, and PCN sends apply for information and gives AT 1;
Step 32, AT 3 allows AT 3 to add meetings, and AT 3 numbers are added in self current conference member list to upgrade conference member list, afterwards, sends positive acknowledgement message and gives PCN;
In this step, the conference member list after the renewal comprises three AT numbers, and this conference member list form is: " * 133xxxxxxx1*133xxxxxxx2*133xxxxxxx3 ".
Step 33, PCN receive the positive acknowledgement message that AT 1 sends, and for AT 3 sets up Radio Resource and carries out the PPP initialization, afterwards, send the conference member list updating message respectively and give AT 1 and conference control server.
This AT 3 can begin to make a call and ask and receive conference control server data sent stream.
Comprise in the said conference member list updating message: the IP address of AT 3 numbers and AT 3;
After said conference control server is received said list of conference updating message, upgrade active conference member's tabulation of self storing, promptly the IP address of AT 3 numbers and AT 3 adds in the active conference member tabulation.
In the wireless video conference process, AT 2 sends and withdraws from request for conference to PCN, and PCN sends the conference member list updating message respectively and gives AT 1 and conference control server, deletion AT 2 numbers and corresponding IP address.
The invention also discloses a kind of wireless access terminal, comprising:
The list creating unit is used for according to initial participant AT information creating conference member list, and stores this conference member list in memory cell;
Control unit, be used for having interim participant AT to add wireless video conference, perhaps, have participant AT to withdraw from or when being asked the appearance of wireless video conference, send update instruction and give memory cell;
Memory cell is used to store conference member list, and according to the update instruction of control unit, real-time update conference member list.
The method and system of wireless video conference are realized in wireless access terminal of the present invention, wireless access terminal, can realize that in many ways wireless video conference satisfies people and carries out two sides even multipart video-meeting freely in moving.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (19)
1. the method for wireless video conference is realized in a wireless access terminal, it is characterized in that this method comprises:
The conference creation wireless access terminal AT is according to initial participant AT information creating conference member list, and the conference creation request that transmission comprises this conference member list is to packet-based core networks PCN;
PCN sets up Radio Resource for conference member in the conference member list after upgrading, the view member's of guild that goes forward side by side point-to-point protocol PPP initialization, and afterwards, PCN sends conference creation message and gives conference control server, and wireless video conference is created successfully;
Conference control server sends to all participant AT except that the participant AT that sends data flow in the conference member list with participant AT data sent stream through PCN;
Conference creation AT is according to participant AT situation real-time update conference member list.
2. the method for wireless video conference is realized in wireless access terminal according to claim 1, it is characterized in that said participant AT situation comprises: participant AT increases or participant AT reduces; Said renewal conference member list comprises: in conference member list, add conference member in conference member or the deletion conference member list.
3. the method for wireless video conference is realized in wireless access terminal according to claim 2, it is characterized in that, said participant AT increase comprises: interim participant AT adds wireless video conference; Be specially:
Interim participant AT sends interim participant request to PCN;
PCN carries out authentication to this interim participant AT, when the authentication success, sends apply for information and gives conference creation AT;
Conference creation AT is when allowing this interim participant AT to add meeting; This interim participant AT number is added in the conference member list; Send positive acknowledgement message and give PCN; PCN sets up Radio Resource and carries out the PPP initialization for this interim participant AT, and afterwards, PCN sends the conference member list updating message and carries out the renewal of conference member list for establishment AT and conference control server.
4. the method for wireless video conference is realized in wireless access terminal according to claim 3; It is characterized in that; This method further comprises: conference creation AT is not when allowing this interim participant AT to add meeting; Then send negative acknowledgment message and give PCN, PCN sends the participant failed message and gives this interim participant AT.
5. the method for wireless video conference is realized in wireless access terminal according to claim 2, it is characterized in that, said participant AT minimizing comprises: participant AT is asked the appearance of wireless video conference to conference creation AT and/or participant AT withdraws from wireless video conference.
6. the method for wireless video conference is realized in wireless access terminal according to claim 5, it is characterized in that said conference creation AT is asked the appearance of wireless video conference with participant AT and is specially:
Corresponding participant AT information in the conference creation AT deletion conference member list;
Conference creation AT is sent conference member list change request to PCN, and the PCN request of should changing is transmitted to conference control server, this participant AT information in the conference member list of conference control server deletion self storage.
7. the method for wireless video conference is realized in wireless access terminal according to claim 5, it is characterized in that the step that said participant AT withdraws from wireless video conference is specially:
Participant AT sends to PCN and withdraws from request for conference;
PCN discharges the wireless connections of this participant AT, and sends participant AT respectively and withdraw from meeting message to conference creation AT and conference control server;
This participant AT information in conference creation AT and the conference control server deletion conference member list.
8. realize the method for wireless video conference according to each described wireless access terminal of claim 1 to 7; It is characterized in that; Said PCN is that conference member is set up before the Radio Resource in the conference member list, and this method further comprises: PCN carries out authentication to conference member in the conference member list, according to authenticating result; Upgrade conference member list, the conference member of failed authentication in the deletion conference member list.
9. the method for wireless video conference is realized in wireless access terminal according to claim 8; It is characterized in that; Said PCN is that conference member carries out after the PPP initialization in the conference member list, and this method further comprises: PCN returns the conference creation success message and gives conference creation AT.
10. the method for wireless video conference is realized in wireless access terminal according to claim 9, it is characterized in that said conference member list comprises: conference creation AT number and initial participant AT number.
11. the method for wireless video conference is realized in wireless access terminal according to claim 10, it is characterized in that, comprises in the said conference creation message: each self-corresponding IP address of conference member list after the renewal and conference member.
12. the method for wireless video conference is realized in wireless access terminal according to claim 11, it is characterized in that, comprises in the said conference creation success message: each self-corresponding IP address of conference member that authentication is successful and conference member.
13. the system of wireless video conference is realized in a wireless access terminal, it is characterized in that this system comprises: conference creation wireless access terminal AT, packet-based core networks PCN, conference control server and initial participant AT; Concrete:
Conference creation AT is used for according to initial participant AT information creating conference member list, and sends the conference creation request that comprises this conference member list and give PCN;
PCN is used in the conference member list after the renewal conference member and sets up Radio Resource and carry out the PPP initialization, sends conference creation message and gives conference control server;
Conference control server is used for participant AT data sent stream is sent to conference member list all participant AT except that the participant AT that sends data flow through PCN;
Initial participant AT is used to obtain the PCN IP address allocated, participates in wireless video conference;
Said conference creation AT is further used for according to participant AT situation real-time update conference member list.
14. the system of wireless video conference is realized in wireless access terminal according to claim 13; It is characterized in that; Said PCN is that conference member is set up before the Radio Resource in the conference member list, and said PCN also is used for the conference member list conference member is carried out authentication, according to authenticating result; Upgrade conference member list, the conference member of failed authentication in the deletion conference member list.
15. the system of wireless video conference is realized in wireless access terminal according to claim 14; It is characterized in that; Said PCN is that conference member carries out after the PPP initialization in the conference member list, and said PCN is further used for returning the conference creation success message and gives conference creation AT.
16. the system according to each described wireless access terminal realization wireless video conference of claim 13 to 15 is characterized in that said conference member list comprises: conference creation AT number and initial participant AT number.
17. the system of wireless video conference is realized in wireless access terminal according to claim 16, it is characterized in that, comprises in the said conference creation message: each self-corresponding IP address of conference member list after the renewal and conference member.
18. the system of wireless video conference is realized in wireless access terminal according to claim 17, it is characterized in that, comprises in the said conference creation success message: each self-corresponding IP address of conference member that authentication is successful and conference member.
19. a wireless access terminal AT is characterized in that, comprising:
The list creating unit is used for according to initial participant AT information creating conference member list, and stores this conference member list in memory cell;
Control unit is used for having interim participant AT to add wireless video conference, perhaps, has participant AT to withdraw from or when being asked the appearance of wireless video conference, sends update instruction and give memory cell;
Memory cell is used to store conference member list, and according to the update instruction of control unit, real-time update conference member list;
Wherein, conference member list comprises initial participant AT number.
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| CN101778244B (en) * | 2010-02-01 | 2013-06-05 | 中兴通讯股份有限公司 | Wireless video conference system and method for adding common voice user |
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