CN1980222B

CN1980222B - Method and system for controlling multi-media communication and media transmission authority management server

Info

Publication number: CN1980222B
Application number: CN200510130300A
Authority: CN
Inventors: 罗龙
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2005-12-08
Filing date: 2005-12-08
Publication date: 2010-05-05
Anticipated expiration: 2025-12-08
Also published as: CN1980222A; WO2007065369A1

Abstract

The system includes server for managing transmission right of users and media in multimedia communication. The server is composed of reception unit, control unit, and memory unit including one or more queues. The method includes steps: the server inserts media transmission request (MTR) of carrying information of media type sent from user into queue; when it is needed to down send permission of media, based on scheduling strategy setup in advance, server dispatches MTR of carrying information of media type from queue, and sends the media transmission permission to user. The invention controls sending sequence of different users and media streams in different types in multimedia communication effectively so as to increase flexibility of implementing multimedia service.

Description

The method and system and the media transmission authority management server of control multimedia communication

Technical field

The present invention relates to the communication technology, particularly relate to a kind of method and system and a kind of media transmission authority management server of controlling multimedia communication.

Background technology

In voice communication service, when the media transmission authority management server of system side received the right of speech request of sound-type, media transmission authority management server can adopt the mode of formation to handle the right of speech request of received sound-type.Such as, media transmission authority management server is inserted into a plurality of right of speech requests of sound-type in the formation, and the right of speech request of dispatching each sound-type by the mode of right of speech request first in first out in the formation successively, issue the right of speech response at the user of scheduling right of speech request correspondence and promptly authorize the voice transmission route, thereby finished a plurality of right of speech request responding processes of sound-type, controlled each user's order of speech in the voice communication service.

Yet along with the development of broadband network, mobile communication not only is confined to traditional speech business, carries out just gradually in conjunction with the multimedia service of multiple medium types such as audio frequency, video, picture and text.In multimedia communication, any one party is before the Media Stream that sends a kind of medium type, the medium that need send to the media transmission authority management server of system side at this kind medium type send request, and after receiving the right of speech response that media transmission authority management server issues, could send the Media Stream of this kind medium type.

But, as can be seen from the above description, in the prior art, only realized in voice communication, the right of speech request of sound-type being responded the process of control voice communication, and for multimedia communication, the transmission of the uncontrollable various medium type Media Streams of media transmission authority management server, that is to say, can't manage effectively the multimedia communication process, thereby greatly reduce the flexibility that multimedia service is realized, reduce the QoS of multimedia service.

Summary of the invention

In view of this, main purpose of the present invention is to provide a kind of method of controlling multimedia communication, another object of the present invention is to provide a kind of system and a kind of media transmission authority management server of controlling multimedia communication, so that control multimedia communication process.

In order to achieve the above object, technical scheme of the present invention is achieved in that

A kind of method of controlling multimedia communication, this method comprises:

A, media transmission authority management server receive the medium transmission request of carrying media type information that the user sends;

B, described media transmission authority management server send the media type information of carrying in the request according to medium, the medium that carry media type information that receive are sent in the formation of asking to be inserted into corresponding to entrained medium type, perhaps, be inserted in the affiliated classification of the entrained medium type corresponding queues;

C, issue medium when sending permission when needs, media transmission authority management server dispatch the medium that carry media type information according to predefined scheduling strategy and is sent and ask from formation;

D, media transmission authority management server to the user issue carry the medium of the dispatching medium that send media type information in the request send permission.

Described step B comprises: media transmission authority management server sends request with the medium that carry media type information that receive and is inserted in the formation according to the sequencing that receives.

Described formation is the formation of an appointment in the media transmission authority management server.

This method further comprises: for designated user the position is set in formation;

Described step B comprises: media transmission authority management server obtains sends described medium transmission requested user, and after determining to send medium and send requesting users and be designated user according to obtaining user profile, these medium that carry media type information are sent request be inserted into and be the set position of this designated user in the formation.

This method further comprises: for different queue is provided with corresponding medium type respectively;

The described step that for designated user the position is set in formation comprises: for designated user identical position is set in corresponding to the formation of each medium type;

In step B, the step of described insertion comprises: the medium transmission request that media transmission authority management server will carry media type information is inserted into corresponding to being the set position of this designated user in the entrained medium type formation in this medium transmission request.

The described step that identical position is set for designated user comprises: be that designated user is reserved placeholder in corresponding to the formation of each medium type.

The described step that identical position is set for designated user comprises: the medium that carry the reference medium type information that media transmission authority management server is sent according to designated user send request residing position in entrained reference medium type formation corresponding to this, determine to be in corresponding to the formation of other medium type the set position of this designated user.

Described reference medium type is that to send the special parameter that carries in the solicitation message by media transmission authority management server according to described designated user specified.

Described reference medium type is by the direct appointment of media transmission authority management server.

In steps A, media transmission authority management server receives the medium transmission request of carrying multiple media type information that described designated user is sent;

In step B, the medium transmission request of carrying multiple media type information that media transmission authority management server is sent described designated user is split as many medium that carry each media type information respectively and sends request, and many medium that carry each media type information respectively after will splitting send in the formation of asking to insert respectively corresponding to entrained medium type;

Described reference medium type is to obtain each bar medium after the fractionation by media transmission authority management server to send request medium of Ying Chu position maximum in its place formation and send request, and these medium of obtain are sent the medium type that carries in the request is appointed as the reference medium type.

In steps A, received medium of media transmission authority management server send in the request and carry multiple media type information;

Described step B comprises: media transmission authority management server sends the quantity of medium type entrained in the request according to these medium, these medium are sent request be split as many medium transmission requests of carrying each media type information respectively, many medium that carry each media type information that will split out then send request and are inserted in the formation in proper order according to the medium type of setting.

The medium type of described setting is directly set by media transmission authority management server in proper order, is perhaps sent the indicative of settings of special parameter in the application according to the user by media transmission authority management server.

Described step B comprises: the medium transmission request that media transmission authority management server directly carries this multiple media type information is inserted in the formation;

In step C, the medium of dispatching send in the request and carry multiple media type information;

Described step D comprises: media transmission authority management server to the user issue carry the medium of dispatching send that medium of multiple media type information send permission in the request, or, media transmission authority management server to the user issue carry respectively the medium of dispatching send that many medium of each media type information send permission in the request.

Described step B further comprises: media transmission authority management server will be sent to the allowed sequence of entrained medium type in the described medium transmission request and send described medium transmission requesting users according to scheduling strategy.

In step C, the step that described media transmission authority management server scheduling medium send request comprises: media transmission authority management server is once dispatched one or more medium that carry media type information and is sent request from the formation that medium transmission request is inserted into.

It is characterized in that, in step C, described media transmission authority management server scheduling medium send the step of asking and comprise: media transmission authority management server sends the sequencing that formation is inserted in request according to each medium, and the medium transmission request of media type information is carried in scheduling from formation.

In step C, the step that described media transmission authority management server scheduling medium send request comprises: media transmission authority management server sends request by the medium that carry each medium type in the snoop queue, dispatches each medium and sends request.

Described step B comprises: media transmission authority management server sends the media type information of carrying in the request according to medium, the medium that carry media type information that receive is sent in the formation of asking to be inserted into corresponding to entrained medium type;

In step C, described poll comprises: each formation corresponding to medium type of media transmission authority management server poll.

This method further comprises: the priority that each medium type is set;

In step C, the step that described media transmission authority management server scheduling medium send request comprises: media transmission authority management server is according to the priority orders of entrained medium type in the medium transmission request, and each medium send request in the scheduling queue successively.

The medium type of a plurality of appointments of media transmission authority management server is set to same priority;

In step C, send request for the different medium that carry the same priority medium type, media transmission authority management server is dispatched these different medium that carry the same priority medium type simultaneously and is sent request.

This method further comprises: for a plurality of formations are provided with corresponding medium type respectively, and according to formation the priority of corresponding medium type the priority of formation is set;

Described step B comprises: media transmission authority management server sends the media type information of carrying in the request according to medium, the medium that carry media type information that receive is sent to ask to be inserted into corresponding to these medium send in the formation of entrained medium type in the request;

In step C, the step of described scheduling comprises: the medium that carry media type information that media transmission authority management server is at first dispatched in the highest-priority queue send request, the medium that carry media type information in the scheduling time high-priority queue send request then, and the medium that carry media type information in the scheduling lowest priority queue send request.

This method further comprises: the user sends the solicitation message of reassigning various medium type priority to media transmission authority management server, and media transmission authority management server is sent the priority of each medium type of priority modification of the specified various medium types of solicitation message according to the user;

In step C, the priority orders that described medium send entrained medium type in the request is amended priority orders.

In step C, when the medium transmission request of lower priority medium type was carried in scheduling, media transmission authority management server received the medium that carry the higher priority media type information and sends request; Media transmission authority management server is after the medium that carry the lower priority medium type of finishing current scheduling send request, the medium that carry the higher priority media type information that dispatching office receives immediately send request, perhaps, the medium that carry the lower priority medium type that media transmission authority management server interrupts current scheduling send request, dispatch these medium that carry the higher priority media type information immediately and send request.

In step C, the step that described media transmission authority management server scheduling medium send request comprises: in once dispatching, the different medium that different media types information is carried in media transmission authority management server scheduling simultaneously from formation send request.

This method further comprises: for different queue corresponding medium type is set respectively in advance;

In step C, the step of described scheduling comprises: in once dispatching, media transmission authority management server is from sending request corresponding to dispatching one or more medium that carry media type information the different queue of different media types respectively.

In step C, scheduling is carried after a plurality of medium transmission requests of different media types information at the same time, and before execution in step D, further comprise: media transmission authority management server is according to predefined mutual conflict medium type, judge that the current different medium of dispatching send the different media types of carrying in the request and whether conflict mutually, if, then according to other scheduling mode operation dispatching of setting, otherwise execution in step D.

Described predefined mutual conflict medium type is by the direct appointment of media transmission authority management server.

Described predefined mutual conflict medium type is sent the mutual conflict media type information of carrying in the solicitation message by media transmission authority management server according to the user to come appointment.

The solicitation message that the user sent is media data control protocol MBCP message or binary system transmission route control protocol BFCP message or session initiation protocol sip message.

In steps A, the medium that the user sent send in the request and carry multiple media type information, and carry the parameter that this multiple medium type of application is authorized simultaneously;

In step C, the step that described media transmission authority management server scheduling medium send request comprises: the parameter that media transmission authority management server is authorized simultaneously according to the described multiple medium type of application, judge currently whether can dispatch each medium type of described user applies simultaneously, if cannot, then media transmission authority management server is not dispatched the medium transmission request of any one media type information of carrying described user applies, and dispatches other medium transmission request; Send request if of course, then dispatch the medium of each media type information of carrying described user applies simultaneously.

A kind of system that controls multimedia communication, this system comprises: user in the multimedia communication and media transmission authority management server, and wherein, media transmission authority management server is by receiving element, control unit and comprise that the memory cell of one or more formations forms, and

User in the multimedia communication, the medium that are used for carrying media type information send request and are sent to media transmission authority management server, and, send the Media Stream that sends entrained medium type in the permission corresponding to medium receiving after medium that carry media type information that media transmission authority management server sends send permission;

Receiving element is used for receiving the medium that carry media type information that the user of multimedia communication sends and sends request, and the medium that carry media type information that will receive send request and are sent to control unit in the media transmission authority management server;

Control unit, be used for sending the media type information that request is carried according to medium, the medium that carry media type information that receive are sent in the formation of asking to be inserted into corresponding to entrained medium type, perhaps, be inserted in the affiliated classification of the entrained medium type corresponding queues; And, when needs issue medium transmission permission, the medium that described control unit carries media type information according to scheduling in the formation of predefined scheduling strategy from memory cell send request, and the user in described multimedia communication issues and carries the medium transmission that institute's medium of dispatch send media type information in the request and permit;

Memory cell is used for preserving the medium that carry media type information that control unit inserted in self formation and sends request.

Described control unit, be further used for receiving the medium that carry media type information when sending request, will be sent to the allowed sequence that described medium send entrained medium type in the request according to predefined scheduling strategy and send described medium and send user in the described multimedia communication of request.

Further comprise the medium type detecting unit in the described media transmission authority management server, be used for after receiving the different media types information that control unit sends, judge the whether mutually conflict of the current different media types that receives according to the mutual conflict medium type that sets in advance, and after judging the current different media types that receives and conflicting mutually, the indication that will conflict is sent to control unit, and after judging the current different media types that receives and not clashing, will not clash indication and be sent to control unit;

Described control unit, be used for carrying the different medium requests of different media types information from the formation scheduling of memory cell, and the different medium of dispatch are sent the different media types information of carrying in the request be sent to the medium type detecting unit, after receiving the conflict indication that the medium type detecting unit sends, from the formation of memory cell, dispatch the medium request of carrying media type information according to predefined other scheduling strategy, and receive that the medium type detecting unit sends do not clash indication after, directly the user in described multimedia communication issues simultaneously and carries the medium transmission that institute's medium of dispatch send different media types information in the request and permit.

A kind of media transmission authority management server comprises: receiving element, control unit and comprise the memory cell of one or more formations, wherein,

Control unit, be used for sending the media type information that request is carried according to medium, the medium that carry media type information that receive are sent in the formation of asking to be inserted into corresponding to entrained medium type, perhaps, be inserted in the affiliated classification of the entrained medium type corresponding queues; And, when needs issue medium transmission permission, the medium that described control unit carries media type information according to scheduling in the formation of predefined scheduling strategy from memory cell send request, and the user in multimedia communication issues and carries the medium transmission that institute's medium of dispatch send media type information in the request and permit;

Described control unit, be further used for receiving the medium that carry media type information when sending request, will be sent to the allowed sequence that described medium send entrained medium type in the request according to predefined scheduling strategy and send medium and send user in the multimedia communication of request.

Described control unit, be used for carrying the different medium requests of different media types information from the formation scheduling of memory cell, and the different medium of dispatch are sent the different media types information of carrying in the request be sent to the medium type detecting unit, after receiving the conflict indication that the medium type detecting unit sends, from the formation of memory cell, dispatch the medium request of carrying media type information according to predefined other scheduling strategy, and receive that the medium type detecting unit sends do not clash indication after, directly the user in multimedia communication issues simultaneously and carries the medium transmission that institute's medium of dispatch send different media types information in the request and permit.

This shows, in the present invention, media transmission authority management server can come the sending order of the Media Stream of different user in the multimedia communication and different media types is controlled effectively by the mode of formation, realized multimedia communication process is managed effectively, thereby greatly improved the flexibility that multimedia service is realized, improved the QoS of multimedia service.

Description of drawings

Fig. 1 is the basic structure schematic diagram of system of the present invention.

Fig. 2 is the preferred structure schematic diagram of system of the present invention.

Fig. 3 is the basic structure schematic diagram of media transmission authority management server proposed by the invention.

Fig. 4 is the preferred structure schematic diagram of media transmission authority management server proposed by the invention.

Fig. 5 is a flow chart of realizing embodiments of the invention.

Fig. 6 is a schematic diagram of reserving placeholder in embodiments of the present invention in each formation for the user.

Embodiment

For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with drawings and the specific embodiments.

Fig. 1 is the basic structure schematic diagram of system of the present invention.Referring to Fig. 1, the basic structure of system of the present invention comprises: user in the multimedia communication and media transmission authority management server, and wherein, media transmission authority management server is by receiving element, control unit and comprise that the memory cell of one or more formations forms, and

Control unit, the medium that carry media type information that are used for receiving send request and are inserted in the formation of memory cell; And, when needs issue medium transmission permission, the medium that described control unit carries media type information according to scheduling in the formation of predefined scheduling strategy from memory cell send request, and the user in described multimedia communication issues and carries the medium transmission that institute's medium of dispatch send media type information in the request and permit;

Fig. 3 is the basic structure schematic diagram of media transmission authority management server proposed by the invention.Referring to Fig. 3, the basic structure of media transmission authority management server proposed by the invention comprises: receiving element, control unit and comprise that the memory cell of one or more formations forms, wherein,

Control unit, the medium that carry media type information that are used for receiving send request and are inserted in the formation of memory cell; And, when needs issue medium transmission permission, the medium that described control unit carries media type information according to scheduling in the formation of predefined scheduling strategy from memory cell send request, and the user in multimedia communication issues and carries the medium transmission that institute's medium of dispatch send media type information in the request and permit;

Referring to Fig. 1 and Fig. 3, in system of the present invention and media transmission authority management server proposed by the invention, described control unit, be further used for receiving the medium that carry media type information when sending request, will be sent to the allowed sequence that described medium send entrained medium type in the request according to predefined scheduling strategy and send medium and send user in the described multimedia communication of request.

Fig. 2 is the preferred structure schematic diagram of system of the present invention.Fig. 4 is the preferred structure schematic diagram of media transmission authority management server proposed by the invention.Referring to Fig. 2 and Fig. 4, preferably, in system of the present invention and media transmission authority management server proposed by the invention, further comprise the medium type detecting unit in the described media transmission authority management server, be used for after receiving the different media types information that control unit sends, judge the whether mutually conflict of the current different media types that receives according to the mutual conflict medium type that sets in advance, and after judging mutual conflict, the indication that will conflict is sent to control unit, and judge do not clash after, will not clash indication and be sent to control unit; Described control unit, be used for carrying the different medium requests of different media types information from the formation scheduling of memory cell, and the different medium of dispatch are sent the different media types information of carrying in the request be sent to the medium type detecting unit, after receiving the conflict indication that the medium type detecting unit sends, reschedule the medium request of carrying media type information according to predefined scheduling strategy, and receive that the medium type detecting unit sends do not clash indication after, directly the user in described multimedia communication issues simultaneously and carries the medium transmission that institute's medium of dispatch send different media types information in the request and permit.

The core concept of the inventive method is: media transmission authority management server receives the medium transmission request of carrying media type information that the user sends; The medium that carry media type information that media transmission authority management server will receive send request and are inserted in the formation; When needs issued medium transmission permission, media transmission authority management server was dispatched the medium that carry media type information according to predefined scheduling strategy and is sent request from formation; Media transmission authority management server to the user issue carry the medium of the dispatching medium that send media type information in the request send permission.

Fig. 5 is a flow chart of realizing embodiments of the invention. referring to Fig. 5, in the present invention, the medium transmission of multiple medium type is asked to manage, the process that various medium type Media Streams send in the control multimedia communication specifically may further comprise the steps:

Step 501: the medium transmission request that the user in the multimedia communication will carry media type information is sent to media transmission authority management server.

Here, user in the multimedia communication can send request by medium will be sent to media transmission authority management server to the transmission application of multiple medium type, also can send request by many medium and will be sent to media transmission authority management server to the transmission application of multiple medium type respectively.Correspondingly, in this step, can carry a kind of media type information during each received bar medium of media transmission authority management server send and ask and also can carry multiple media type information.

Step 502: the medium that carry media type information that media transmission authority management server will receive send request and are inserted in the formation of self.

Here, media transmission authority management server is when receiving the medium transmission request of carrying media type information, can also be further will be sent to the allowed sequence that described medium send entrained medium type in the request and send described medium and send requesting users according to scheduling strategy, thus notify the user its in subsequent process, send the sequencing of different media types Media Stream.

In this step, media transmission authority management server can adopt multiple mode that the medium that receive are sent request and be inserted in the formation, specifically comprises:

1, media transmission authority management server sends request with the medium that carry media type information that receive and is inserted in the formation successively according to the sequencing that receives.

2, media transmission authority management server sends the media type information of carrying in the request according to medium, the medium that carry media type information that receive is sent request be inserted in the formation.

3, in formation, the position is set in advance for designated user, like this, in this step, media transmission authority management server at first obtains sends described medium transmission requested user, and after determining to send medium and send requesting users and be designated user according to obtaining user profile, these medium that carry media type information are sent request be inserted into and be the set position of this designated user in the formation.

When 4, in a received medium transmission of media transmission authority management server is asked, carrying multiple media type information, media transmission authority management server sends the quantity of medium type entrained in the request according to these medium, these medium are sent request be split as many medium transmission requests of carrying each media type information respectively, many medium that carry each media type information that will split out then send request and are inserted in the formation in proper order according to the medium type of setting.

Wherein, the medium type of described setting is directly set by media transmission authority management server in proper order, is perhaps sent the indicative of settings of special parameter in the application according to the user by media transmission authority management server.

Such as, media transmission authority management server receives one and carries 3 kinds of media type information, such as being voice, the medium of image and text type information send request, that is to say, the user requires the medium sending right of these 3 kinds of medium types simultaneously, then media transmission authority management server sends these medium that carry 3 kinds of media type information and asks to be split as to carry voice respectively, 3 medium of image and text type information send request, then according to the medium type order of setting, such as being followed successively by voice, image and text, the medium of the sound-type information of carrying that at first will split out send request and are inserted in the formation of self, and then the medium of the image type information of carrying that will split out send in the formation of asking to be inserted in self, the medium that carry text type information that will split out at last send in the formation of asking to be inserted in self. wherein, the medium type order of described setting can directly be set by media transmission authority management server, also can be to send parameter specific in the solicitation message by media transmission authority management server according to the user to set, such as, the user carries a special parameter and indicates the order of entrained 3 kinds of medium types in this medium transmission request to be followed successively by voice in this medium transmission of carrying 3 kinds of media type information is asked, image and text etc.

When 5, in a received medium transmission of media transmission authority management server is asked, carrying multiple media type information, media transmission authority management server can not split, and the medium that directly this carried multiple media type information send request and are inserted in the formation.

6, the medium that carry media type information that media transmission authority management server will receive send request and insert in the specified queue of self.

7, the medium that carry media type information that media transmission authority management server will receive send request and insert in the different queue of self.

Need to prove that the described medium that will carry media type information of this step send the mode of asking to be inserted in the formation and are not restricted to 7 kinds of above-mentioned modes, can also comprise other inserted mode.And 7 kinds of above-mentioned modes can make up, and preferable compound mode can be exemplified as:

A, mode 1 and mode 6 combinations are specially, and media transmission authority management server sends request with the medium that carry media type information that receive and is inserted into successively in the formation of an appointment in self according to the sequencing that receives.

B, mode 2 and mode 7 combinations, be specially, the present invention is provided with corresponding medium type respectively for different queue in advance, like this, media transmission authority management server sends the media type information of carrying in the request according to medium, and the medium that carry media type information that receive are sent in the formation of asking to be inserted into corresponding to entrained medium type.

Such as, media transmission authority management server receives medium that carry image type information and sends request, medium that carry sound-type information send a medium transmission request of asking and carrying text type information, then in this step, the medium of the image type information of carrying that media transmission authority management server will receive send request and are inserted in self in the formation corresponding to image type, the medium that wherein carry sound-type information are sent request be inserted in self in the formation corresponding to sound-type, the medium that wherein carry text type information are sent request be inserted in self in the formation corresponding to text type.

C, mode 2, mode 3 and mode 7 combinations are specially, and the present invention is provided with corresponding medium type respectively for different queue in advance; And in corresponding to the formation of each medium type, identical position is set for designated user; The medium transmission request that media transmission authority management server will carry media type information is inserted into corresponding to being the set position of this designated user in the entrained medium type formation in this medium transmission request.

Wherein, describedly, can realize designated user by in corresponding to the formation of each medium type, reserving placeholder for designated user for being provided with identical position. like this, in this step, when media transmission authority management server receives medium that carry media type information that a user sends when sending request, whether media transmission authority management server is at first judged in the formation of self and is reserved with placeholder for this user, if do not reserve, then directly according to medium type with medium send request be inserted into corresponding to this medium type formation to the tail place, if reserve, the request that then directly medium sent is inserted into corresponding to medium and sends the placeholder place that reserves in the entrained medium type formation in the request, rather than rear of queue place. referring to Fig. 6, such as, the user 4 who the present invention is directed in the multimedia communication all is being reserved with placeholder corresponding to first position in each medium type formation, all can be so that each bar medium of user 4 send request by priority scheduling and response, like this, when media transmission authority management server receives medium that carry media type information that other user sends when sending request first, because first position is reserved with placeholder, so the medium that carry media type information that media transmission authority management server is not sent this other user send first position of asking to be inserted in the respective queue, but be inserted into next position in the formation. when the medium that carry voice and image media type information respectively as 2 of receiving that user 4 sends of media transmission authority management server send request, the medium that then directly will carry sound-type information send request and are inserted into corresponding to first position in the sound-type formation, and the medium that directly will carry image type information send request and are inserted into corresponding to first position in the image type formation.

Wherein, describedly for designated user is provided with identical position can be: the medium that carry the reference medium type information that media transmission authority management server is sent according to designated user send request residing position in entrained reference medium type formation corresponding to this, determine to be in corresponding to the formation of other medium type the set position of this designated user.Described reference medium type is that to send the special parameter that carries in the solicitation message by media transmission authority management server according to described designated user specified, and perhaps, described reference medium type is by the direct appointment of media transmission authority management server.

When described reference medium type is when directly being specified by media transmission authority management server, realize that the process of direct appointment specifically can be: first medium that media transmission authority management server is sent described designated user send a medium type that carries in the request and are set at the reference medium type.

When described reference medium type is when directly being specified by media transmission authority management server, the process that realizes direct appointment specifically can also be: when media transmission authority management server receives after medium that carry multiple media type information that described designated user sends send request, the medium transmission request of carrying multiple media type information that media transmission authority management server is sent described designated user is split as many medium that carry each media type information respectively and sends request, and many medium that carry each media type information respectively after will splitting send in the formation of asking to insert respectively corresponding to entrained medium type; Described reference medium type is to obtain each bar medium after the fractionation by media transmission authority management server to send request medium of Ying Chu position maximum in its place formation and send request, and these medium of obtain are sent the medium type that carries in the request is appointed as the reference medium type.Such as, designated user, be designated as user 1, send one and carry 3 kinds of medium type voice, the medium of image and text type information send request, media transmission authority management server is split as the medium that carry sound-type information with it and sends request, the medium that carry image type information send the medium transmission request of asking and carrying text type information, 3 medium after will splitting send when asking to insert the formation of corresponding types in proper order respectively, be the 5th to the maximum if carry medium transmission request residing position in its formation of sound-type information, and 2 medium transmission request residing respectively positions in its formation of carrying image and text type information respectively are 2 and 3, then can be set to above-mentioned reference medium type by sound-type, that is to say, the medium that the medium that media transmission authority management server will carry image type information send request and carry text type information send request and are inserted into respectively corresponding to the 5th position in image and the text type formation, vacate corresponding to the 2nd of image type formation, 3 and 4 position, and vacate the 3rd and 4 position corresponding to the text type formation.

Also need to prove, the present invention can classify various medium type in advance, the corresponding formation of each class medium type of being told, and no longer be the corresponding formation of each medium type, like this, in this step, media transmission authority management server sends the media type information of carrying in the request according to medium and determines classification under this medium type, and these medium are sent request is inserted in self in the formation corresponding to this classification medium type.Such as, media transmission authority management server receives 3 medium that carry voice, image and text type information respectively and sends request, and in advance sound-type is divided into a class, image and text type are divided into a class, then in this step, the medium that media transmission authority management server will carry voice send request and are inserted in the formation corresponding to voice class, 2 medium that carry image and text are respectively sent request be inserted in the formation corresponding to image and text class according to the insertion sequence that sets in advance.

Step 503: send permission when needs issue medium, when promptly authorizing the user media transmission route, media transmission authority management server is dispatched the medium that carry media type information according to predefined scheduling strategy and is sent request from the formation of self.

Here, the media transmission authority management server concrete mode of dispatching from the formation of self according to predefined scheduling strategy can be:

A, media transmission authority management server send from medium and once dispatch one or more medium transmission requests of carrying media type information the formation of asking to be inserted into.

B, media transmission authority management server send the sequencing that formation is inserted in request according to each medium, dispatch the medium that carry media type information successively and send request from formation.

C, media transmission authority management server send request by the medium that carry each medium type in the snoop queue, dispatch each medium and send request.

Here, if in step 502, media transmission authority management server sends entrained media type information in the request according to medium, the medium that carry media type information are sent in the formation of asking to be inserted into corresponding to entrained medium type, then in this step, when the mode of employing c operation dispatching, what media transmission authority management server adopted is that poll is dispatched each medium transmission request corresponding to the mode of each medium type formation.

D, set in advance the priority of each medium type, media transmission authority management server sends the priority orders of entrained medium type in the request according to medium, and each medium send request in the scheduling queue successively.

Here, the medium type of media transmission authority management server a plurality of appointments in advance is set to same priority; Like this, in this step, send request for the different medium that carry the same priority medium type, media transmission authority management server can be dispatched these different medium that carry the same priority medium type simultaneously and send request.

And, if in step 502, media transmission authority management server sends entrained media type information in the request according to medium, the medium that carry media type information are sent in the formation of asking to be inserted into corresponding to entrained medium type, then in this step, when the mode of employing d operation dispatching, the medium that carry media type information that media transmission authority management server is at first dispatched in the highest-priority queue send request, the medium that carry media type information in the scheduling time high-priority queue send request then, and the medium that carry media type information in the scheduling lowest priority queue send request.

Need to prove, in this step, when the mode of employing d operation dispatching, user in the multimedia communication can send the solicitation message of reassigning various medium type priority to media transmission authority management server, and media transmission authority management server is sent the priority of each medium type of priority modification of the specified various medium types of solicitation message according to the user; Like this, when follow-up operation dispatching, the priority orders that described medium send entrained medium type in the request is amended priority orders, and the medium that media transmission authority management server respectively carries media type information according to amended priority orders scheduling send request.

Also need to prove, in this step, when the mode of employing d operation dispatching, when the medium transmission request of lower priority medium type is carried in scheduling,, media transmission authority management server sends request if receiving the medium that carry the higher priority media type information; Media transmission authority management server is after the medium that carry the lower priority medium type of finishing current scheduling send request, the medium that carry the higher priority media type information that dispatching office receives immediately send request, perhaps, the medium that carry the lower priority medium type that media transmission authority management server interrupts current scheduling send request, dispatch these medium that carry the higher priority media type information immediately and send request.

E, media transmission authority management server are once being dispatched the different medium transmission requests of carrying different media types information in the scheduling simultaneously from formation.

Here, if in step 502, media transmission authority management server sends entrained media type information in the request according to medium, the medium that carry media type information are sent in the formation of asking to be inserted into corresponding to entrained medium type, then in this step, when the mode of employing e operation dispatching, in once dispatching, media transmission authority management server is from sending request corresponding to dispatching one or more medium that carry media type information the different queue of different media types respectively.

And, the present invention can also set in advance conflicting medium type, then in this step, when the mode of employing e operation dispatching, media transmission authority management server judges that the current different medium of dispatching send the different media types of carrying in the request and whether conflict mutually, if then continue operation dispatching, otherwise carry out subsequent step 504 according to other scheduling mode of setting.What wherein, described predefined mutual conflict medium type can be by the direct appointment of media transmission authority management server.Described predefined mutual conflict medium type can also be sent the mutual conflict media type information of carrying in the solicitation message according to the user by media transmission authority management server and be come appointment.Such as, can speech media type with comprise that the video media type of phonetic element is set to conflicting medium type.

Need to prove that the described scheduling mode of this step is not restricted to the mode of above-mentioned a to e, can also comprise other inserted mode.And above-mentioned a to e mode can make up, such as, with mode a and mode b combination, that is to say that media transmission authority management server sends the sequencing that formation is inserted in request according to medium, the one or more medium that carry media type information of scheduling send request from formation.

Also need to prove, in step 501, when the medium that are sent to media transmission authority management server as the user in the multimedia communication send and to carry multiple media type information in the request, this user can also further send at these medium and carry the parameter that this multiple medium type of application is authorized simultaneously in the request, like this, in this step, when needs issue medium transmission permission, if media transmission authority management server is dispatched to these medium that this user sends when sending request, then judge currently whether can dispatch each medium type of this user applies simultaneously according to the multiple medium type of the application parameter of authorizing simultaneously, if cannot dispatch simultaneously, then media transmission authority management server is not dispatched the medium transmission request of any one media type information of carrying described user applies, the medium sending right of any one medium type of just not authorizing this user and being applied for, and the medium of dispatching other send request; Send request if of course, then dispatch the medium of each media type information of carrying this user applies simultaneously.Such as, in step 501, user 1 sends one and carries voice, the medium of image and 3 kinds of media type information of text send request, and in this medium transmission request, carry these 3 kinds of parameters that medium type is authorized simultaneously of application, like this, in this step 503, user 1 sends in the media transmission authority management server scheduling queue carries voice, the medium of image and 3 kinds of media type information of text send request, or carry out being dispatched to the voice that carry that user 1 sends in the formation after the deconsolidation process according to step 502, when the medium of image and any one media type information of text send request, then whether simultaneously the parameter of authorizing simultaneously according to the multiple medium type of application judges current 3 kinds of medium types of dispatched users 1 application, if cannot, then media transmission authority management server is not dispatched the medium transmission request of any one media type information of carrying user's 1 application, and dispatches other medium transmission request according to scheduling strategy; If can, then the medium transmission request of 3 kinds of media type information of user's 1 application is carried in scheduling simultaneously, thereby can issue the medium that carry 3 kinds of media type information to user 1 simultaneously and send permission, just allow user 1 to send the Media Stream of these 3 kinds of medium types simultaneously.Wherein, whether the transmission route of each medium type that media transmission authority management server can be by judging this user applies all is released current, judges currently whether can dispatch each medium type of this user applies simultaneously.

Step 504: media transmission authority management server sends the media type information of carrying in the request and issues the medium transmission permission of carrying this media type information to the user of correspondence according to the scheduling medium.

Here, the user of described correspondence is meant that sending the current medium of dispatching sends requesting users.

Need to prove, if in step 501, received medium of media transmission authority management server send in the request and carry multiple media type information, and in step 502, media transmission authority management server splits, the medium that directly this carried multiple media type information send request and are inserted in the formation as a medium transmission request, and when current medium transmission request of dispatching sends request for these medium that carry multiple media type information, in this step 504, media transmission authority management server can send transmission route that grant message will this multiple medium type by medium that carry multiple media type information and authorize the current medium of dispatch and send the corresponding user of request, also can send transmission route that grant message will this multiple medium type by many medium that carry each media type information and authorize and currently dispatch the medium transmission and ask the user of correspondence.

Step 505: receive medium and send the Media Stream of the user of permission according to the media type information transmission corresponding types of carrying in the medium transmission permission.

Here, sending the media type information of carrying in the permission such as, medium is text type, then in this step, receives the Media Stream that user that medium send permission then can send self text type.

In the present invention, user's application of being sent to media transmission authority management server can be media data control protocol (MBCP) message or binary system transmission route control protocol (BFCP) message or session initiation protocol (SIP) message.

In a word, the above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. a method of controlling multimedia communication is characterized in that, this method comprises:

2. method according to claim 1 is characterized in that, described step B comprises: media transmission authority management server sends request with the medium that carry media type information that receive and is inserted in the formation according to the sequencing that receives.

3. method according to claim 2 is characterized in that, described formation is the formation of an appointment in the media transmission authority management server.

4. method according to claim 1 is characterized in that, this method further comprises: for designated user the position is set in formation;

5. method according to claim 4 is characterized in that, this method further comprises: for different queue is provided with corresponding medium type respectively;

6. method according to claim 5 is characterized in that, the described step that identical position is set for designated user comprises: be that designated user is reserved placeholder in corresponding to the formation of each medium type.

7. method according to claim 5, it is characterized in that, the described step that identical position is set for designated user comprises: the medium that carry the reference medium type information that media transmission authority management server is sent according to designated user send request residing position in entrained reference medium type formation corresponding to this, determine to be in corresponding to the formation of other medium type the set position of this designated user.

8. method according to claim 7 is characterized in that, described reference medium type is that to send the special parameter that carries in the solicitation message by media transmission authority management server according to described designated user specified.

9. method according to claim 7 is characterized in that, described reference medium type is by the direct appointment of media transmission authority management server.

10. method according to claim 9 is characterized in that, in steps A, media transmission authority management server receives the medium transmission request of carrying multiple media type information that described designated user is sent;

11. method according to claim 1 is characterized in that, in steps A, received medium of media transmission authority management server send in the request and carry multiple media type information;

12. method according to claim 11, it is characterized in that, the medium type of described setting is directly set by media transmission authority management server in proper order, is perhaps sent the indicative of settings of special parameter in the application according to the user by media transmission authority management server.

13. method according to claim 1 is characterized in that, in steps A, received medium of media transmission authority management server send in the request and carry multiple media type information;

14. method according to claim 1, it is characterized in that, described step B further comprises: media transmission authority management server will be sent to the allowed sequence of entrained medium type in the described medium transmission request and send described medium transmission requesting users according to scheduling strategy.

15. according to any described method in the claim 1 to 14, it is characterized in that, in step C, the step that described media transmission authority management server scheduling medium send request comprises: media transmission authority management server is once dispatched one or more medium that carry media type information and is sent request from the formation that medium transmission request is inserted into.

16. according to any described method in the claim 1 to 14, it is characterized in that, in step C, described media transmission authority management server scheduling medium send the step of asking and comprise: media transmission authority management server sends the sequencing that formation is inserted in request according to each medium, and the medium transmission request of media type information is carried in scheduling from formation.

17. method according to claim 1, it is characterized in that, in step C, the step that described media transmission authority management server scheduling medium send request comprises: media transmission authority management server sends request by the medium that carry each medium type in the snoop queue, dispatches each medium and sends request.

18. method according to claim 17 is characterized in that, this method further comprises: for different queue is provided with corresponding medium type respectively;

19. method according to claim 1 is characterized in that, this method further comprises: the priority that each medium type is set;

20. method according to claim 19 is characterized in that, the medium type of a plurality of appointments of media transmission authority management server is set to same priority;

21. method according to claim 19 is characterized in that, this method further comprises: for a plurality of formations are provided with corresponding medium type respectively, and according to formation the priority of corresponding medium type the priority of formation is set;

22. method according to claim 19, it is characterized in that, this method further comprises: the user sends the solicitation message of reassigning various medium type priority to media transmission authority management server, and media transmission authority management server is sent the priority of each medium type of priority modification of the specified various medium types of solicitation message according to the user;

23. method according to claim 19, it is characterized in that, in step C, when the medium transmission request of lower priority medium type was carried in scheduling, media transmission authority management server received the medium that carry the higher priority media type information and sends request; Media transmission authority management server is after the medium that carry the lower priority medium type of finishing current scheduling send request, the medium that carry the higher priority media type information that dispatching office receives immediately send request, perhaps, the medium that carry the lower priority medium type that media transmission authority management server interrupts current scheduling send request, dispatch these medium that carry the higher priority media type information immediately and send request.

24. method according to claim 1, it is characterized in that, in step C, the step that described media transmission authority management server scheduling medium send request comprises: in once dispatching, the different medium that different media types information is carried in media transmission authority management server scheduling simultaneously from formation send request.

25. method according to claim 24 is characterized in that, this method further comprises: for different queue corresponding medium type is set respectively in advance;

26. method according to claim 24, it is characterized in that, in step C, scheduling is carried after a plurality of medium transmission requests of different media types information at the same time, and before execution in step D, further comprise: media transmission authority management server is according to predefined mutual conflict medium type, judge that the current different medium of dispatching send the different media types of carrying in the request and whether conflict mutually, if, then according to other scheduling mode operation dispatching of setting, otherwise execution in step D.

27. method according to claim 26 is characterized in that, described predefined mutual conflict medium type is by the direct appointment of media transmission authority management server.

28. method according to claim 26 is characterized in that, described predefined mutual conflict medium type is sent the mutual conflict media type information of carrying in the solicitation message by media transmission authority management server according to the user to come appointment.

29. according to Claim 8,22 or 28 described methods, it is characterized in that the solicitation message that the user sent is media data control protocol MBCP message or binary system transmission route control protocol BFCP message or session initiation protocol sip message.

30. method according to claim 1 is characterized in that, in steps A, the medium that the user sent send in the request and carry multiple media type information, and carry the parameter that this multiple medium type of application is authorized simultaneously;

31. a system that controls multimedia communication is characterized in that, this system comprises: user in the multimedia communication and media transmission authority management server, wherein, media transmission authority management server is by receiving element, control unit and comprise that the memory cell of one or more formations forms, and

32. system according to claim 31, it is characterized in that, described control unit, be further used for receiving the medium that carry media type information when sending request, will be sent to the allowed sequence that described medium send entrained medium type in the request according to predefined scheduling strategy and send described medium and send user in the described multimedia communication of request.

33. according to claim 31 or 32 described systems, it is characterized in that, further comprise the medium type detecting unit in the described media transmission authority management server, be used for after receiving the different media types information that control unit sends, judge the whether mutually conflict of the current different media types that receives according to the mutual conflict medium type that sets in advance, and after judging the current different media types that receives and conflicting mutually, the indication that will conflict is sent to control unit, and after judging the current different media types that receives and not clashing, will not clash indication and be sent to control unit;

34. a media transmission authority management server is characterized in that, this media transmission authority management server comprises: receiving element, control unit and comprise the memory cell of one or more formations, wherein,

35. media transmission authority management server according to claim 34, it is characterized in that, described control unit, be further used for receiving the medium that carry media type information when sending request, will be sent to the allowed sequence that described medium send entrained medium type in the request according to predefined scheduling strategy and send medium and send user in the multimedia communication of request.

36. according to claim 34 or 35 described media transmission authority management servers, it is characterized in that, further comprise the medium type detecting unit in the described media transmission authority management server, be used for after receiving the different media types information that control unit sends, judge the whether mutually conflict of the current different media types that receives according to the mutual conflict medium type that sets in advance, and after judging the current different media types that receives and conflicting mutually, the indication that will conflict is sent to control unit, and after judging the current different media types that receives and not clashing, will not clash indication and be sent to control unit;