CN102821166A

CN102821166A - Method, apparatus and system for multimedia data communication

Info

Publication number: CN102821166A
Application number: CN2012102532935A
Authority: CN
Inventors: 何瑞峰
Original assignee: Huawei Device Co Ltd
Current assignee: Honor Device Co Ltd
Priority date: 2012-07-20
Filing date: 2012-07-20
Publication date: 2012-12-12
Anticipated expiration: 2032-07-20
Also published as: CN102821166B

Abstract

The invention provides a method, apparatus and system for multimedia data communication and belongs to the field of communication. The method comprises the following steps of: receiving the access requirements sent by each user terminal; respectively allocating an IP (internet protocol) multicast address to each user terminal, dividing the IP multicast addresses of the user terminals with the same channel identifier of the target multimedia data required to be watched into the same multicast group; transmitting the requirement used for obtaining the target multimedia data to a mobile multimedia broadcasting system, wherein the requirement comprises the channel identifier of the target multimedia data; receiving the target multimedia data transmitted by the mobile multimedia broadcasting system; and broadcasting a target multimedia data pocket of each user terminal to each user terminal in the same multicast group. According to the invention, the purpose of simultaneously providing the multimedia data service to multiple users by one mobile multimedia broadcasting wireless terminal apparatus can be fulfilled.

Description

The method of multimedia data communication, equipment and system

Technical field

The present invention relates to the communications field, relate in particular to a kind of method, equipment and system of multimedia data communication.

Background technology

Mobile multimedia broadcast system is a kind of system that the multi-medium data service can be provided to multiple user terminals such as mobile phone, notebook computers; For example; China Mobile multimedia broadcasting CMMB (China Mobile Multimedia Broadcasting), and Japan and the mobile TV standard I SDB-T of Latin America (Integrated Services Digital Broadcasting-Terrestrial), European mobile TV standard DVB-T (Digital Video Broadcasting-Terrestrial) and European mobile TV standard DVB-H (Digital Video Broadcasting-Handheld) etc.The user is when watching TV programme through user terminals such as mobile phone, notebook computers; Need be by a kind of wireless terminal device of supporting mobile multimedia broadcast system; This CMMB wireless terminal device can be by 3G (3rd-generation; The 3G (Third Generation) Moblie technology) module, WiFi (Wireless Fidelity, Wireless Fidelity) module and the wireless network that the CMMB module is formed are connected equipment for surfing the net, and it can receive the television programme data of mobile multimedia broadcast system broadcasting through the WiFi module; Afterwards this television programme data is sent on the user terminals such as mobile phone, notebook computer, realize user's watching TV programme.

Yet in the prior art, a CMMB wireless terminal device can only can't provide the multi-medium data service for a plurality of user terminals for a user terminal provides the multi-medium data service at one time simultaneously.

Summary of the invention

The method of a kind of multimedia data communication that embodiments of the invention provide, equipment and system can realize for a plurality of user terminals the multi-medium data service being provided simultaneously through a CMMB wireless terminal device.

For achieving the above object, embodiments of the invention adopt following technical scheme:

First aspect, the present invention provides a kind of method of multimedia data communication, comprising:

Receive the access request that each user terminal sends, said each access request comprises the channel identication of the target multi-medium data that request is watched and the sign of said user terminal;

Be respectively said each user terminal distributing IP multicast address, the ip multicast address of the user terminal that the channel identication of the target multi-medium data that request is watched is identical is divided into same multi-broadcast group;

Send the request that is used to obtain the target multi-medium data to mobile multimedia broadcast system, described request comprises the channel identication of target multi-medium data;

Receive the target multi-medium data that said mobile multimedia broadcast system sends;

Each user terminal said each user terminal of broadcasting target multi-medium data bag separately in same multi-broadcast group, the target multi-medium data bag of said each user terminal carries the ip multicast address of said user terminal, the target multi-medium data of request and the sign of said user terminal.

In first kind of first aspect possible implementation, before said each user terminal said each user terminal of broadcasting target multi-medium data bag separately in same multi-broadcast group, also comprise:

When the target multi-medium data of the mobile multimedia broadcast system transmission that receives is enciphered data, the said target multi-medium data that receives is deciphered.

In conjunction with first kind of first aspect or first aspect possible implementation, in second kind of possible implementation, said method also comprises:

Confirm that first sends first user terminal of said access request in the same multi-broadcast group, and be the said first user terminal allocation manager authority that said administration authority is used for multimedia programming is carried out control operation;

Wherein, said control operation comprises that channel switches, multimedia programming is ordered or multimedia programming is quit the subscription of.

In conjunction with second kind of first aspect possible implementation; In the third possible implementation; Confirm that said first sends first user terminal of said access request in the same multi-broadcast group, and be after the said first user terminal allocation manager authority, also comprise:

Receive the control operation request that arbitrary user terminal sends in the said same multi-broadcast group;

Send the information that is used for reminding subscriber terminal input control password to said arbitrary user terminal;

Receive the control password that said arbitrary user terminal sends;

When the control password that is provided with in advance when control password that receives and the user terminal with administration authority is identical, carry out and the corresponding control operation of said control operation request;

When the control password that is provided with in advance when the said control password that receives and said user terminal with administration authority is inequality, send the response of password mistake to the user terminal that sends the control password.

The third possible implementation in conjunction with second kind of first aspect possible implementation or first aspect; In the 4th kind of possible implementation; Confirm that said first sends first user terminal of said access request in the same multi-broadcast group; And be after the said first user terminal allocation manager authority, also comprise:

When receiving the cancellation administration authority request of the user terminal transmission with said administration authority, cancellation has the administration authority of the user terminal of said administration authority, and said administration authority is distributed to other the arbitrary user terminals in the said same multi-broadcast group; Perhaps,

When receive that user terminal with said administration authority sends carry the transfer administration authority request of designated user terminal iidentification the time; Cancellation has the administration authority of the user terminal of said administration authority; Said administration authority is distributed to said designated user terminal, and said user terminal and said designated user terminal with said administration authority belongs to same multi-broadcast group.

In conjunction with first kind of first aspect or first aspect possible implementation, in the 5th kind of possible implementation, said method also comprises:

Receive the channel switch request that arbitrary user terminal sends in first multi-broadcast group, comprise the sign of the channel identication of the target multi-medium data of desiring to switch to, said user terminal and the ip multicast address of said user terminal in the said channel switch request;

Second multi-broadcast group that the channel identication of the target multi-medium data of confirming to desire to switch to is corresponding;

The ip multicast address of said user terminal is divided in said second multi-broadcast group.

Second aspect the invention provides a kind of CMMB wireless terminal device, comprising:

Wireless communication module; Be used to receive the access request that each user terminal sends; Said each access request comprises the channel identication of the target multi-medium data that request is watched and the sign of said user terminal, and said each access request is sent to the control port of multimedia player;

Said multimedia player; Be used for receiving said each access request from said control port; And being respectively said each user terminal distributing IP multicast address, the ip multicast address end of the user terminal that the channel identication of the target multi-medium data that request is watched is identical is divided into same multi-broadcast group;

Said multimedia player also is used for sending the request that is used to obtain the target multi-medium data through said control port to said wireless communication module, and described request comprises the channel identication of target multi-medium data;

Said wireless communication module also is used for receiving the said request that is used to obtain the target multi-medium data from said control port, and sends the said request that is used to obtain the target multi-medium data to mobile multimedia broadcast system;

Said wireless communication module also is used to receive the target multi-medium data that said mobile multimedia broadcast system sends, and said target multi-medium data is sent to the FPDP of said multimedia player;

Said multimedia player; Also be used for receiving said target multi-medium data from said FPDP; And the target multi-medium data bag of desiring to mail to each user terminal in the same multi-broadcast group sent to said radio receiving terminal through said FPDP, the target multi-medium data bag of said each user terminal carries the sign of ip multicast address, target multi-medium data and the said user terminal of said user terminal;

Said wireless communication module; Also be used for receiving the said target multi-medium data bag of desiring to mail to each user terminal of same multi-broadcast group from said FPDP, and each user terminal said each user terminal of the broadcasting target multi-medium data bag separately in same multi-broadcast group.

In first kind of second aspect possible implementation, said equipment also comprises: the CMMB chip;

Said multimedia player also is used for said target multi-medium data is sent to the CMMB chip through said FPDP;

Said CMMB chip; Be used for when said target multi-medium data that said multimedia player receives from said FPDP is enciphered data; Receive said target multi-medium data through said FPDP; Said target multi-medium data is deciphered, and the target multi-medium data after will deciphering sends to said FPDP;

Said multimedia player; Also be used for receiving the said deciphering target multi-medium data afterwards that said CMMB chip sends, and the said target multi-medium data bag of desiring to mail to the user terminal in the same multi-broadcast group is sent to said radio receiving terminal through said FPDP through said FPDP.

In conjunction with first kind of second aspect or second aspect possible implementation; In second kind of possible implementation; Said multimedia player also is used for after said each the access request that receives said control port transmission through said control port, confirming that first sends first user terminal of said access request in the same multi-broadcast group; And be the said first user terminal allocation manager authority, said administration authority is used for multimedia programming is carried out control operation;

In conjunction with first kind of second aspect or second aspect possible implementation or second kind of possible implementation; In the third possible implementation; Said wireless communication module; Also be used for receiving the control operation request that the arbitrary user terminal of said same multi-broadcast group sends, and said control operation request is sent to said control port;

Said multimedia player also is used for after receiving said control operation request, sends the information that is used for reminding subscriber terminal input control password to said wireless communication module through said control port;

Said wireless communication module also is used for receiving the information that is used for reminding subscriber terminal input control password through said control port, and sends the said information that is used for reminding subscriber terminal input control password to said arbitrary user terminal;

Said wireless communication module also be used to receive the control password that said arbitrary user terminal sends, and the control password that said arbitrary user terminal is sent sends to said control port;

Said multimedia player; Also be used for receiving the control password that said wireless communication module sends from said control port; And the control password that is provided with in advance when control password that receives and the user terminal with administration authority is carried out and the corresponding control operation of said control operation request when identical;

Said multimedia player; Also be used for receiving the control password that said wireless communication module sends from said control port; And the control password that is provided with in advance when the said control password that receives and said user terminal with administration authority sends the response of control password mistake when inequality to said wireless communication module through said control port;

Said wireless communication module also is used for receiving through said control port the response of said control password mistake, and the response of said control password mistake is sent to the user terminal that sends the control password.

In conjunction with first kind of second aspect or second aspect possible implementation or second kind of possible implementation or the third possible implementation; In the 4th kind of possible implementation; Said wireless communication module; Also be used to receive the cancellation administration authority request of user terminal transmission, and the request of said cancellation administration authority is sent to said control port with said administration authority; Said multimedia player; Also be used for receiving the request of said cancellation administration authority through said control port; Cancellation has the administration authority of the user terminal of said administration authority, and said administration authority is distributed to other the arbitrary user terminals in the said same multi-broadcast group; Perhaps,

Said wireless communication module; Also be used to receive the transfer administration authority request that carries the designated user terminal iidentification of user terminal transmission, and the said transfer administration authority request that carries the designated user terminal iidentification is sent to said control port with said administration authority; Said multimedia player; Also be used for receiving the said transfer administration authority request that carries the designated user terminal iidentification through said control port; Cancellation has the administration authority of the user terminal of said administration authority; Said administration authority is distributed to said designated user terminal, and said user terminal and said designated user terminal with said administration authority belongs to same multi-broadcast group.

In conjunction with first kind of second aspect or second aspect possible implementation; In the 5th kind of possible implementation; Said wireless communication module; Also be used for receiving the channel switch request that the arbitrary user terminal of first multi-broadcast group sends, comprise the sign of the channel identication of the target multi-medium data of desiring to switch to, said user terminal and the ip multicast address of said user terminal in the said channel switch request, and said channel switch request is sent to said control port;

Said multimedia player; Also be used for receiving said channel switch request through said control port; Confirm the second corresponding multi-broadcast group of channel identication of the said target multi-medium data of desiring to switch to according to the channel identication of the target multi-medium data of desiring to switch to, and the ip multicast address of said user terminal is divided in said second multi-broadcast group.

The third aspect the invention provides a kind of system of multimedia data communication, comprises above-mentioned CMMB wireless terminal device and above-mentioned mobile multimedia broadcast system.

The method of the multimedia data communication that present embodiment provides, equipment and system; Through the present invention; Make when a plurality of user terminals are wanted to watch the multi-medium data channel through the CMMB wireless terminal device simultaneously; The CMMB wireless terminal device can be each user terminal distributing IP multicast address; And the ip multicast address of the identical user terminal of the channel identication of the target multi-medium data that request is watched is divided into same multi-broadcast group; And make the CMMB wireless terminal device behind the target multi-medium data that receives the mobile multimedia broadcast system transmission, and each user terminal each user terminal of the broadcasting target multi-medium data bag separately in same multi-broadcast group, thus can realize that a plurality of user terminals receive the target multi-medium data simultaneously.Can only compare for a user terminal provides the multi-medium data service at one time with CMMB wireless terminal device in the prior art, the present invention can realize for a plurality of user terminals the multi-medium data service being provided simultaneously through a CMMB wireless terminal device.

Description of drawings

In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the sketch map that a plurality of user terminals send multi-medium data for mobile multimedia broadcast system through the CMMB wireless terminal device simultaneously;

The method flow diagram of a kind of multimedia data communication that Fig. 2 provides for present embodiment 1;

The method flow diagram of a kind of multimedia data communication that Fig. 3 provides for present embodiment 2;

Fig. 4 is the target multi-medium data pack arrangement sketch map of CMMB wireless terminal device to user terminal broadcasting;

The CMMB wireless terminal device that Fig. 5 provides for present embodiment 2 is the method flow diagram of user terminal allocation manager authority;

The CMMB wireless terminal device cancellation that Fig. 6 provides for present embodiment 2 has the administration authority method flow diagram of the user terminal of administration authority;

The CMMB wireless terminal device that Fig. 7 provides for present embodiment 2 shifts the method flow diagram to other user terminals with administration authority from current user terminal with administration authority;

The method flow diagram of a kind of multimedia data communication that Fig. 8 provides for present embodiment 3;

The CMMB wireless terminal device that Fig. 9 provides for present embodiment 3 is that user terminal carries out the method flow diagram that channel switches;

The another kind of CMMB wireless terminal device that Figure 10 provides for present embodiment 3 is that user terminal carries out the method flow diagram that channel switches;

The structure chart of a kind of CMMB wireless terminal device that Figure 11 provides for present embodiment 4;

The structure chart of the another kind of CMMB wireless terminal device that Figure 12 provides for present embodiment 4;

The system construction drawing of a kind of multimedia data communication that Figure 13 provides for present embodiment 4;

The hardware chart of a kind of CMMB wireless terminal device that Figure 14 provides for present embodiment 5;

The hardware chart of the another kind of CMMB wireless terminal device that Figure 15 provides for present embodiment 5.

Embodiment

To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.

As shown in Figure 1; In a kind of application scenarios of the embodiment of the invention; When a plurality of user terminals when multi-medium data is watched in the request of same mobile multimedia broadcast system wireless terminal device; This mobile multimedia broadcast system wireless terminal device obtains the target multi-medium data according to the request that each user terminal sent from the mobile multimedia broadcast system system, and the user terminal of multi-medium data is watched in the request of sending to of target multi-medium data.Wherein, to watch multi-medium data with a plurality of user terminals to the request of a mobile multimedia broadcast system wireless terminal device be that example is done the present invention and specified to present embodiment.

Wherein, in the present embodiment, mobile multimedia broadcast system can be China Mobile multimedia broadcasting CMMB, and Japan and the mobile TV standard I SDB-T of Latin America, European mobile TV standard DVB-T and European mobile TV standard DVB-H etc.; The mobile multimedia broadcast system wireless terminal device can be for supporting the wireless terminal device of above-mentioned mobile multimedia broadcast system.Wireless communication module in the present embodiment is supported 3G network or WIFI network.

Embodiment 1

Referring to Fig. 2, the method flow diagram of a kind of multimedia data communication that provides for present embodiment specifically comprises:

101: the CMMB wireless terminal device receives the access request that each user terminal sends, and each inserts request and comprises the channel identication of the target multi-medium data that request is watched and the sign of user terminal.

102: the CMMB wireless terminal device is respectively each user terminal distributing IP multicast address, and the ip multicast address of the identical user terminal of the channel identication of the target multi-medium data that request is watched is divided into same multi-broadcast group.

Wherein, the multi-broadcast group of CMMB wireless terminal device division is at least one.

Optional, the scope that the CMMB wireless terminal device is respectively each user terminal distributing IP multicast address is can be 224.0.0.0-239.255.255.255.

103: the CMMB wireless terminal device sends the request that is used to obtain the target multi-medium data to mobile multimedia broadcast system, and request comprises the channel identication of target multi-medium data.

104: the CMMB wireless terminal device receives the target multi-medium data that mobile multimedia broadcast system sends.

105: each user terminal broadcasting each user terminal separately the target multi-medium data bag of CMMB wireless terminal device in same multi-broadcast group, the target multi-medium data bag of each user terminal carries the sign of ip multicast address, target multi-medium data and the user terminal of user terminal.

The method of the multimedia data communication that present embodiment provides; Pass through this method; Make when a plurality of user terminals are watched the multi-medium data channel through the CMMB wireless terminal device simultaneously; The CMMB wireless terminal device can be each user terminal distributing IP multicast address; And the ip multicast address of the identical user terminal of the channel identication of the target multi-medium data that request is watched is divided into same multi-broadcast group; And make the CMMB wireless terminal device behind the target multi-medium data that receives the mobile multimedia broadcast system transmission, and each user terminal each user terminal of the broadcasting target multi-medium data bag separately in same multi-broadcast group, thus can realize that a plurality of user terminals receive the target multi-medium data simultaneously.Can only compare for a user terminal provides the multi-medium data service at one time with CMMB wireless terminal device in the prior art; Present embodiment can be realized through a CMMB wireless terminal device; Can for a plurality of user terminals the multi-medium data service be provided simultaneously quickly and easily, practice thrift Internet resources effectively.

Embodiment 2

Referring to Fig. 3; The method flow diagram of a kind of multimedia data communication that provides for present embodiment; Present embodiment is watched the target multi-medium data with three user terminals to the request of CMMB wireless terminal device, and the multi-medium data channel watched of request is all instance mutually the present invention is specified.

A kind of method flow diagram of multimedia data communication specifically comprises:

201: the CMMB wireless terminal device receives the access request that three user terminals send, and each inserts request and comprises the channel identication of the target multi-medium data that request is watched and the sign of user terminal.

Need to prove; The multi-medium data channel is divided into encoded channel and non-encrypted channel; In the present embodiment; The target multi-medium data channel of being asked to watch with three user terminals identical and for non-encrypted channel be that example specifies; And the user terminal number that the non-encrypted channel of each of CMMB wireless terminal device can insert at most has the certain upper limit value, and during present embodiment gave an actual example, the individual number average of user terminal did not exceed the user terminal number that the CMMB wireless terminal device can insert at most.

Wherein, the channel identication of the target multi-medium data that above-mentioned request is watched can be the channel number of target multi-medium data, CCTV1 etc. for example, and the multi-medium data channel is used for the play multimedia program; The sign of user terminal can be used for unique identifying subscriber terminal for the MAC sign of user terminal.

For example, first access of CMMB wireless terminal device reception user terminal 1 transmission is asked, second access of user terminal 2 transmissions is asked and the 3rd access of user terminal 3 transmissions is asked; Wherein, first inserts the MAC sign that request comprises CCTV1 and user terminal 1, and second inserts the MAC sign that request comprises CCTV1 and user terminal 2, and the 3rd inserts the MAC sign that request comprises CCTV1 and user terminal 3.

202: the CMMB wireless terminal device is respectively three user terminal distributing IP multicast address, watches the ip multicast address of three user terminals of target multi-medium data channel to be divided into a multi-broadcast group above-mentioned request.

For example; The CMMB wireless terminal device is that the ip multicast address that user terminal 1 distributes is 239.200.105.244; The CMMB wireless terminal device is that the ip multicast address that user terminal 2 distributes is 239.200.105.245; The CMMB wireless terminal device is that the ip multicast address that user terminal 3 distributes is 239.200.105.246, and ip multicast address 239.200.105.244,239.200.105.245 and 239.200.105.246 are divided into a multi-broadcast group.

Need to prove; After this step; The CMMB wireless terminal device can also send respectively to three user terminals and insert the request response; Each inserts in the request response and comprises the ip multicast address of the user terminal that is about to mail to and the sign of this user terminal so that in follow-up operation, when user terminal when the CMMB wireless terminal device sends request or data; In described request or data, carry the ip multicast address of this user terminal and the sign of this user terminal, and then make the CMMB wireless terminal device can confirm the user terminal of request of sending or data.

203: the CMMB wireless terminal device sends the request that is used to obtain the target multi-medium data to mobile multimedia broadcast system, and described request comprises the channel identication of target multi-medium data.

For example, the CMMB wireless terminal device sends the request that is used to obtain the target multi-medium data to mobile multimedia broadcast system, and described request comprises CCTV1.

204: after mobile multimedia broadcast system receives the request of obtaining the target multi-medium data, send the target multi-medium data corresponding to the CMMB wireless terminal device with the channel identication of target multi-medium data according to the channel identication of target multi-medium data.

For example, the channel identication of target multi-medium data is CCTV1, and mobile multimedia broadcast system sends the multi-medium data of CCTV1 channel to the CMMB wireless terminal device according to CCTV1.

205: after the CMMB wireless terminal device received the target multi-medium data, three user terminals in this multi-broadcast group were broadcasted said three user terminals target multi-medium data bag separately.

Wherein, the target multi-medium data bag of each user terminal carries the sign of ip multicast address, target multi-medium data and the user terminal of user terminal.

For example; The CMMB wireless terminal device carries first packet of the MAC Address of ip multicast address 239.200.105.244, CCTV1 channel multi-medium data and user terminal 1 respectively to user terminal 1 broadcasting; Carry second packet of the MAC Address of ip multicast address 239.200.105.245, CCTV1 channel multi-medium data and user terminal 2 to user terminal 2 broadcasting, carry the 3rd packet of the MAC Address of ip multicast address 239.200.105.246, CCTV1 channel multi-medium data and user terminal 3 to user terminal 3 broadcasting.

For example shown in Figure 4, be the target multi-medium data pack arrangement sketch map of CMMB wireless terminal device to user terminal broadcasting.

In a kind of implementation of present embodiment, the CMMB wireless terminal device can also be user terminal allocation manager authority, and referring to Fig. 5, said method also comprises:

206: the CMMB wireless terminal device confirms that first sends first user terminal of the request of access in this multi-broadcast group, and is the first user terminal allocation manager authority.

Wherein, administration authority is used for multimedia programming is carried out control operation; Control operation comprises that channel switches, multimedia programming is ordered or multimedia programming is quit the subscription of.

For example, the CMMB wireless terminal device confirms that the user terminal 1 in this multi-broadcast group is first user terminal, and is user terminal 1 allocation manager authority.

Need to prove; The CMMB wireless terminal device is the first user terminal allocation manager authority; So that when receiving the control operation request of first user terminal transmission, the CMMB wireless terminal device is carried out and the corresponding control operation of said control operation request.

User terminal sent the control password to the CMMB wireless terminal device in 207: the first.

208: the CMMB wireless terminal device receives control password and the storage that first user terminal is provided with.

209: the CMMB wireless terminal device receives the control operation request that arbitrary user terminal sends in this multi-broadcast group.

Wherein, arbitrary user terminal can be user terminal 1, user terminal 2 or user terminal 3 in this multi-broadcast group.

For example, the CMMB wireless terminal device receives the control operation request that user terminal 2 sends in this multi-broadcast group.

210: the CMMB wireless terminal device sends the information that is used for reminding subscriber terminal input control password to sending control operation requesting users terminal.

For example, the CMMB wireless terminal device sends the information that is used for reminding subscriber terminal input control password to user terminal 2.

211: after the CMMB wireless terminal device received the control password of said user terminal transmission, whether the control password that judgement control password that receives and the user terminal with administration authority are provided with in advance was identical.

212: when the control password that is provided with in advance when control password that receives and the user terminal with administration authority was identical, the CMMB wireless terminal device was carried out the control operation corresponding with the control operation request.

Wherein, control operation comprises that channel switches, multimedia programming is ordered or multimedia programming is quit the subscription of.

213: when the control password that is provided with in advance when control password that receives and the user terminal with administration authority was inequality, the CMMB wireless terminal device sent the response of password mistake to the user terminal that sends the control password.

Wherein, the response of password mistake is used to indicate the control password mistake of the user terminal transmission of sending the control password, refusal executive control operation.

For example, when the control password that is provided with in advance when control password that receives and the user terminal with administration authority was inequality, the CMMB wireless terminal device sent the response of password mistakes to user terminal 2.

In a kind of implementation of present embodiment, the CMMB wireless terminal device can also be cancelled the administration authority of the user terminal with administration authority, and referring to Fig. 6, said method also comprises:

214: the user terminal with administration authority sends the request of cancellation administration authority to the CMMB wireless terminal device.

For example, the user terminal 1 that has administration authority sends the request of cancellation administration authority to the CMMB wireless terminal device.

215: when receiving above-mentioned cancellation administration authority request, the cancellation of CMMB wireless terminal device has the administration authority of the user terminal of administration authority, and administration authority is distributed to other the arbitrary user terminals in this multi-broadcast group.

For example, when receiving above-mentioned cancellation administration authority request, the administration authority of CMMB wireless terminal device cancellation user terminal 1, and administration authority distributed to user terminal 2 or user terminal 3 in this multi-broadcast group.

In a kind of implementation of present embodiment, the CMMB wireless terminal device can also shift administration authority to other user terminals from current user terminal with administration authority, and referring to Fig. 7, said method also comprises:

216: the user terminal with administration authority sends the transfer administration authority request that carries the designated user terminal iidentification to the CMMB wireless terminal device.

For example, the user terminal 1 that has administration authority sends the transfer administration authority request that carries user terminal 2 signs to the CMMB wireless terminal device.

217: when receiving the above-mentioned transfer administration authority request that carries the designated user terminal iidentification, the cancellation of CMMB wireless terminal device has the administration authority of the user terminal of administration authority, and administration authority is distributed to the designated user terminal.

For example, when receiving the above-mentioned transfer administration authority request that carries user terminal 2 sign, the cancellation of CMMB wireless terminal device has the administration authority of the user terminal 1 of administration authority, and administration authority is distributed to user terminal 2.

The method of the multimedia data communication that present embodiment provides; When the target multi-medium data channel of watching to the request of CMMB wireless terminal device when a plurality of user terminals is identical; This method on the one hand; Make the CMMB wireless terminal device can be each user terminal distributing IP multicast address; And the ip multicast address of the user terminal of the target multi-medium data channel that request is watched is divided into same multi-broadcast group; And make the CMMB wireless terminal device behind the target multi-medium data that receives the mobile multimedia broadcast system transmission, and each user terminal each user terminal of the broadcasting target multi-medium data bag separately in this multi-broadcast group, thus can realize that a plurality of user terminals receive the target multi-medium data simultaneously.Can only compare for a user terminal provides the multi-medium data service at one time with CMMB wireless terminal device in the prior art; Present embodiment can be realized through a CMMB wireless terminal device; Can for a plurality of user terminals the multi-medium data service be provided simultaneously quickly and easily, practice thrift Internet resources effectively.

On the other hand; The CMMB wireless terminal device can also be provided with user terminal management authority, the administration authority of cancellation user terminal and the administration authority at transferring user terminal; Thereby make user terminal to carry out control operation, and then avoided when a plurality of user terminals are watched multimedia programming simultaneously, producing the problem of control authority conflict the CMMB wireless terminal device with administration authority.

Embodiment 3

Referring to Fig. 8; The method flow diagram of a kind of multimedia data communication that provides for present embodiment; Present embodiment is watched the target multi-medium data with four user terminals to the request of CMMB wireless terminal device, and the multi-medium data channel watched of request is inequality for instance the present invention is specified.

301: the CMMB wireless terminal device receives the access request that four user terminals send, and each inserts request and comprises the channel identication of the target multi-medium data that request is watched and the sign of user terminal.

Wherein, The channel identication of the target multi-medium data that above-mentioned request is watched can be the channel number of target multi-medium data; For example; The channel number of the multi-medium data that user terminal 1, user terminal 2 and 3 requests of user terminal are watched is CCTV1, and the channel number of the multi-medium data that 4 requests of user terminal are watched is CCTV2; The sign of user terminal can be used for unique identifying subscriber terminal for the MAC sign of user terminal.

For example, first access of CMMB wireless terminal device reception user terminal 1 transmission is asked, second access of user terminal 2 transmissions is asked, the 3rd access of user terminal 3 transmissions is asked and the 4th access of user terminal 4 transmissions is asked; Wherein, First inserts the MAC sign that request comprises CCTV1 and user terminal 1; Second inserts the MAC sign that request comprises CCTV1 and user terminal 2, and the 3rd inserts the MAC sign that request comprises CCTV1 and user terminal 3, and the 4th inserts the MAC sign that request comprises CCTV2 and user terminal 4.

302: the CMMB wireless terminal device is respectively four user terminal distributing IP multicast address, watches the ip multicast address of the identical user terminal of the channel identication of target multi-medium data to be divided into same multi-broadcast group above-mentioned request.

Wherein, The user terminal number that each channel of CMMB wireless terminal device can insert at most has the certain upper limit value; During present embodiment gave an actual example, the individual number average of user terminal did not exceed the user terminal number that the CMMB wireless terminal device can insert at most.

For example, the CMMB wireless terminal device is that the ip multicast address that user terminal 1 distributes is 239.200.105.244;

The CMMB wireless terminal device is that the ip multicast address that user terminal 2 distributes is 239.200.105.245;

The CMMB wireless terminal device is that the ip multicast address that user terminal 3 distributes is 239.200.105.246;

The CMMB wireless terminal device is that the ip multicast address that user terminal 4 distributes is 239.200.105.247.

For example, above-mentioned four user terminals are respectively user terminal 1, user terminal 2, user terminal 3 and user terminal 4; User terminal 1, user terminal 2 and user terminal 3 ask to watch the channel identication of target multi-medium data identical, are first channel; The target multi-medium data channel that user terminal 4 requests are watched is second channel; Then the CMMB wireless terminal device is divided into first multi-broadcast group with the ip multicast address of user terminal 1, ip multicast address and 3 fens other ip multicast addresses of user terminal of user terminal 2, the ip multicast address of user terminal 4 is divided into many second broadcasts group.

Need to prove; After this step; The CMMB wireless terminal device can also send respectively to four user terminals and insert the request response; Each inserts in the request response and comprises the ip multicast address of the purpose user terminal that is about to mail to and the sign of this user terminal so that in follow-up operation, when user terminal when the CMMB wireless terminal device sends request or data; In described request or data, carry the ip multicast address of this user terminal and the sign of this user terminal, and then make the CMMB wireless terminal device can confirm the user terminal of request of sending or data.

303: the CMMB wireless terminal device sends the request that is used to obtain the target multi-medium data to mobile multimedia broadcast system, and described request comprises the channel identication of target multi-medium data.

For example, the CMMB wireless terminal device sends the request that is used to obtain the target multi-medium data to mobile multimedia broadcast system, and described request comprises CCTV1 and CCTV2.

304: after mobile multimedia broadcast system receives the request of obtaining the target multi-medium data, send the target multi-medium data corresponding to the CMMB wireless terminal device with the channel identication of target multi-medium data according to the channel identication of target multi-medium data.

For example, the channel identication of target multi-medium data is CCTV1 and CCTV2, and mobile multimedia broadcast system sends the multi-medium data of CCTV1 channel and CCTV2 channel respectively according to CCTV1 and CCTV2 to the CMMB wireless terminal device.

305: after the CMMB wireless terminal device received the target multi-medium data, each user terminal in same multi-broadcast group was broadcasted each user terminal target multi-medium data bag separately respectively.

Wherein, the multi-medium data channel is divided into encoded channel and non-encrypted channel.

In the present embodiment; When above-mentioned first channel and above-mentioned second channel were non-encrypted channel, CMMB wireless terminal device two user terminals in same multi-broadcast group was respectively broadcasted said two user terminals target multi-medium data bag separately and is specially:

For example; The CMMB wireless terminal device carries first packet of the MAC Address of ip multicast address 239.200.105.244, CCTV1 channel multi-medium data and user terminal 1 respectively to user terminal 1 broadcasting; Carry second packet of the MAC Address of ip multicast address 239.200.105.245, CCTV1 channel multi-medium data and user terminal 2 to user terminal 2 broadcasting; Carry the 3rd packet of the MAC Address of ip multicast address 239.200.105.246, CCTV1 channel multi-medium data and user terminal 3 to user terminal 3 broadcasting, carry the 4th packet of the MAC Address of ip multicast address 239.200.105.247, CCTV2 channel multi-medium data and user terminal 4 to user terminal 4 broadcasting.

In the present embodiment; When above-mentioned first channel is non-encrypted channel; When above-mentioned second channel was encoded channel, CMMB wireless terminal device two user terminals in same multi-broadcast group was respectively broadcasted said two user terminals target multi-medium data bag separately and is specially:

1) user terminal 1, user terminal 2 and the user terminal 3 of CMMB wireless terminal device in first multi-broadcast group broadcasted target multi-medium data bag separately respectively; Wherein, the target multi-medium data bag of each user terminal carries the sign of ip multicast address, target multi-medium data and the user terminal of user terminal;

2) the target multi-medium data that the CMMB wireless terminal device will be corresponding with second channel identication is deciphered; Target multi-medium data after obtaining deciphering, and the target multi-medium data bag at the 4 broadcasting user terminals 4 of the user terminal in second multi-broadcast group; Wherein, the target multi-medium data bag of user terminal 4 carries ip multicast address, the target multi-medium data after the deciphering and the sign of user terminal 4 of user terminal 4.

For example, CCTV2 channel multi-medium data and the MAC Address of user terminal 4 of CMMB wireless terminal device after the target multi-medium data bag of user terminal 4 broadcasting carries ip multicast address 239.200.105.247, deciphering.

In a kind of implementation of present embodiment; Be non-encrypted channel referring to Fig. 9 when above-mentioned first channel and above-mentioned second channel; And when belonging to arbitrary user terminal in first multi-broadcast group and wanting to watch the multimedia programming of second channel; The CMMB wireless terminal device can also switch for user terminal carries out channel, and said method also comprises:

306: the CMMB wireless terminal device receives the channel switch request that arbitrary user terminal sends in first multi-broadcast group, sign, the sign of user terminal and the ip multicast address of user terminal of bag second channel in the channel switch request.

For example, the CMMB wireless terminal device receives the channel switch request that user terminal 1 sends in first multi-broadcast group, comprises the MAC Address and the ip multicast address 239.200.105.244 of CCTV2, user terminal 1 in the channel switch request.

307: second multi-broadcast group that the channel identication of the target multi-medium data that the CMMB wireless terminal device is confirmed to desire to switch to is corresponding.

308: the CMMB wireless terminal device judges in second multi-broadcast group whether reached maximum user terminal numbers that second channel is supported in the user terminal number of watching second channel.

309: when the maximum user terminal number that do not reach that second channel supports, the ip multicast address that the CMMB wireless terminal device will send the user terminal of channel switch request is divided in second multi-broadcast group.

For example, when the maximum user terminal number that do not reach that second channel supports, the CMMB wireless terminal device is divided into the ip multicast address of user terminal 1 in second multi-broadcast group.

310: when the maximum user terminal number that reaches that second channel supports, the CMMB wireless terminal device sends the response of handoff failure to the user terminal that sends channel switch request.

For example, when the maximum user terminal number that reaches that second channel supports, the response that the CMMB wireless terminal device sends handoff failure to user terminal 1.

Wherein, the handoff failure response is used to indicate the channel switch request failure.

In a kind of implementation of present embodiment; Referring to Figure 10; When above-mentioned first channel is non-encrypted channel, when above-mentioned second channel is encoded channel, when belonging to arbitrary user terminal in first multi-broadcast group and wanting to watch the multimedia programming of second channel; The CMMB wireless terminal device can also switch for user terminal carries out channel, and said method also comprises:

311: the CMMB wireless terminal device receives the channel switch request that arbitrary user terminal sends in first multi-broadcast group, sign, the sign of user terminal and the ip multicast address of user terminal of bag second channel in the channel switch request.

312: second multi-broadcast group that the channel identication of the target multi-medium data that the CMMB wireless terminal device is confirmed to desire to switch to is corresponding.

313: the CMMB wireless terminal device judges whether the user terminal of watching second channel is arranged in second multi-broadcast group.

Wherein, each encoded channel of CMMB wireless terminal device can insert a user terminal at most.

314: when being that the ip multicast address that the CMMB wireless terminal device will send the user terminal of channel switch request is divided in second multi-broadcast group when not watching the user terminal of second channel in second multi-broadcast group.

For example, when being that the CMMB wireless terminal device is divided into the ip multicast address of user terminal 1 in second multi-broadcast group when not watching the user terminal of second channel in second multi-broadcast group.

315: when being when the user terminal of watching second channel is arranged in second multi-broadcast group, the CMMB wireless terminal device sends the response of handoff failure to the user terminal that sends channel switch request.

For example, when being when the user terminal of watching second channel is arranged in second multi-broadcast group, the CMMB wireless terminal device is to the response of user terminal 1 transmission handoff failure.

The method of the multimedia data communication that present embodiment provides; The target multi-medium data channel of asking to watch when each user terminal is not simultaneously; This method on the one hand; Make the CMMB wireless terminal device can be each user terminal distributing IP multicast address; And the ip multicast address of the identical user terminal of the channel identication of the target multi-medium data that request is watched is divided into same multi-broadcast group; And make the CMMB wireless terminal device behind the target multi-medium data that receives the mobile multimedia broadcast system transmission, and each user terminal each user terminal of the broadcasting target multi-medium data bag separately in same multi-broadcast group, thus can realize that a plurality of user terminals receive the target multi-medium data simultaneously.Can only compare for a user terminal provides the multi-medium data service at one time with CMMB wireless terminal device in the prior art; Present embodiment can be realized through a CMMB wireless terminal device; Can for a plurality of user terminals the multi-medium data service be provided simultaneously quickly and easily, practice thrift Internet resources effectively.

On the other hand, the CMMB wireless terminal device can also provide the service of switching the multi-medium data channel of watching for user terminal.

Embodiment 4

Referring to Figure 11, the structure chart of a kind of CMMB wireless terminal device that provides for present embodiment comprises:

Wireless communication module 401; Be used to receive the access request that each user terminal sends; Each inserts request and comprises the channel identication of the target multi-medium data that request is watched and the sign of user terminal, and each is inserted the control port 01 that request sends to multimedia player 402;

Multimedia player 402; Be used for receiving each and insert request from control port 01; And being respectively each user terminal distributing IP multicast address, the ip multicast address end of the user terminal that the channel identication of the target multi-medium data that request is watched is identical is divided into same multi-broadcast group;

Multimedia player 402 also is used for sending the request that is used to obtain the target multi-medium data through control port 01 to wireless communication module 401, and request comprises the channel identication of target multi-medium data;

Wireless communication module 401 also is used for receiving the request that is used to obtain the target multi-medium data from control port 01, and sends the request that is used to obtain the target multi-medium data to mobile multimedia broadcast system;

Wireless communication module 401 also is used to receive the target multi-medium data that mobile multimedia broadcast system sends, and the target multi-medium data is sent to the FPDP 02 of multimedia player 402;

Multimedia player 402; Also be used for from FPDP 02 receiving target multi-medium data; And the target multi-medium data bag of desiring to mail to each user terminal in the same multi-broadcast group sent to wireless communication module 401 through FPDP 02, the target multi-medium data bag of each user terminal carries the sign of ip multicast address, target multi-medium data and the user terminal of user terminal;

Wireless communication module 401; Also be used for receiving the target multi-medium data bag of each user terminal of desiring to mail to same multi-broadcast group from FPDP 02, and each user terminal each user terminal of the broadcasting target multi-medium data bag separately in same multi-broadcast group.

Need to prove; CMMB wireless terminal device itself can be exactly the Wireless Telecom Equipment of portable terminal and so on for example; Can also comprise the carrier that holds wireless communication module 401, multimedia player 402, to allow carrying out data transmission, processing and reception between CMMB wireless terminal device and the terminal equipment.

The CMMB wireless terminal device that present embodiment provides; Make when a plurality of user terminals are wanted to watch the multi-medium data channel through the CMMB wireless terminal device simultaneously; The CMMB wireless terminal device can be each user terminal distributing IP multicast address; And the ip multicast address of the identical user terminal of the channel identication of the target multi-medium data that request is watched is divided into same multi-broadcast group; And make the CMMB wireless terminal device behind the target multi-medium data that receives the mobile multimedia broadcast system transmission; Each user terminal each user terminal of broadcasting target multi-medium data bag separately in same multi-broadcast group, thus can realize that a plurality of user terminals receive the target multi-medium data simultaneously.With can only compare for a user terminal provides the CMMB wireless terminal device of multi-medium data service at one time in the prior art, the CMMB wireless terminal device that present embodiment provides can be realized for a plurality of user terminals service of multimedia data being provided simultaneously.

Further, referring to Figure 12, above-mentioned CMMB wireless terminal device also comprises: CMMB chip 403;

Multimedia player 402 also is used for the target multi-medium data is sent to the CMMB chip through FPDP 02;

CMMB chip 403; Be used for when target multi-medium data that multimedia player 402 receives from FPDP 02 is enciphered data; Through FPDP 02 receiving target multi-medium data; The target multi-medium data is deciphered, and the target multi-medium data after will deciphering sends to FPDP 02;

Multimedia player 402; Also be used for receiving the deciphering target multi-medium data afterwards that CMMB chip 403 sends, and the target multi-medium data bag of desiring to mail to the user terminal in the same multi-broadcast group is sent to FPDP 02 through FPDP 02.

Further; Multimedia player 402; Also be used for after each the access request that receives control port 01 transmission through control port 01; Confirm that first sends first user terminal of the request of access in the same multi-broadcast group, and be the first user terminal allocation manager authority that administration authority is used for multimedia programming is carried out control operation;

Further, wireless communication module 401 also is used for receiving the control operation request that the arbitrary user terminal of same multi-broadcast group sends, and the control operation request is sent to control port 01;

Multimedia player 402 also is used for after receiving the control operation request, sends the information that is used for reminding subscriber terminal input control password to wireless communication module 401 through control port 01;

Wireless communication module 401 also is used for receiving the information that is used for reminding subscriber terminal input control password through control port 01, and sends the information that is used for reminding subscriber terminal input control password to user terminal;

Wireless communication module 401 also be used to receive the control password that user terminal sends, and the control password that user terminal is sent sends to control port 01;

Multimedia player 402; Also be used for receiving the control password that wireless communication module 401 sends from control port 01; And the control password that is provided with in advance when control password that receives and the user terminal with administration authority is carried out the control operation corresponding with the control operation request when identical;

Multimedia player 402; Also be used for receiving the control password that wireless communication module 401 sends from control port 01; And the control password that is provided with in advance when control password that receives and the user terminal with administration authority sends the response of control password mistakes when inequality to wireless communication module 401 through control port 01;

Wireless communication module 401 also is used for receiving through control port 01 response of control password mistake, and the response that will control the password mistake sends to and sends the user terminal of controlling password.

Further, wireless communication module 401 also is used to receive the cancellation administration authority request that user terminal with administration authority sends, and will cancel the administration authority request and send to control port 01; Multimedia player 402 also is used for receiving the request of cancellation administration authority through control port 01, and cancellation has the administration authority of the user terminal of administration authority, and administration authority is distributed to other the arbitrary user terminals in the same multi-broadcast group; Perhaps,

Wireless communication module 401 also is used to receive the transfer administration authority request that carries the designated user terminal iidentification that user terminal with administration authority sends, and the transfer administration authority request that will carry the designated user terminal iidentification sends to control port 01; Multimedia player 402; Also be used for receiving the transfer administration authority request that carries the designated user terminal iidentification through control port 01; Cancellation has the administration authority of the user terminal of administration authority; Administration authority is distributed to the designated user terminal, and user terminal and designated user terminal with administration authority belong to same multi-broadcast group.

Further; Wireless communication module 401; Also be used for receiving the channel switch request that the arbitrary user terminal of first multi-broadcast group sends; Comprise the channel identication of the target multi-medium data of desiring to switch to, the sign of user terminal and the ip multicast address of user terminal in the channel switch request, and channel switch request sent to control port 01:

Multimedia player 402; Also be used for through control port 01 receiving channels handoff request; The second corresponding multi-broadcast group of channel identication of the target multi-medium data of confirming according to the channel identication of the target multi-medium data of desiring to switch to desire to switch to, and the ip multicast address of user terminal is divided in second multi-broadcast group.

Wherein, above-mentioned wireless communication module is supported 3G (Third Generation) Moblie technology 3G network or Wireless Fidelity WIFI network.

Need to prove; CMMB wireless terminal device itself can be exactly the Wireless Telecom Equipment of portable terminal and so on for example; Can also comprise the carrier that holds wireless communication module 401, multimedia player 402 and CMMB chip 403, to allow carrying out data transmission, processing and reception between CMMB wireless terminal device and the terminal equipment.

CMMB wireless terminal device described in the present embodiment can be TV rod USB DONGLE, wireless terminal devices such as the mobile phone of set above-mentioned functions module, panel computer.

The CMMB wireless terminal device that present embodiment provides; When the target multi-medium data channel of watching to the request of CMMB wireless terminal device when each user terminal is identical; The CMMB wireless terminal device can also be provided with user terminal management authority, the administration authority of cancellation user terminal and the administration authority at transferring user terminal; Thereby make user terminal to carry out control operation, and then avoided when a plurality of user terminals are watched multimedia programming simultaneously, producing the problem of control authority conflict the CMMB wireless terminal device with administration authority; The target multi-medium data channel of asking to watch when each user terminal not simultaneously, the CMMB wireless terminal device can also provide the service of switching the multi-medium data channel of watching for user terminal.

Referring to Figure 13, the system construction drawing of a kind of multimedia data communication that provides for present embodiment comprises above-mentioned CMMB wireless terminal device 400 and mobile multimedia broadcast system 600.

The system of the multimedia data communication that present embodiment provides; On the one hand; Make when a plurality of user terminals are wanted to watch the multi-medium data channel through the CMMB wireless terminal device simultaneously; The CMMB wireless terminal device can be each user terminal distributing IP multicast address; And the ip multicast address of the identical user terminal of the channel identication of the target multi-medium data that request is watched is divided into same multi-broadcast group; And, make mobile multimedia broadcast system after receiving the request of obtaining the target multi-medium data, after the CMMB wireless terminal device sends the target multi-medium data to the request that the target multi-medium data is obtained in the mobile multimedia broadcast system transmission; Thereby make the CMMB wireless terminal device to broadcast each user terminal target multi-medium data bag separately by each user terminal in same multi-broadcast group, thereby can realize that a plurality of user terminals receive the target multi-medium data simultaneously.Can only compare for a user terminal provides the multi-medium data service at one time with CMMB wireless terminal device in the prior art, present embodiment can be realized for a plurality of user terminals the multi-medium data service being provided simultaneously through a CMMB wireless terminal device.

Embodiment 5

Referring to Figure 14, be the hardware chart of a kind of CMMB wireless terminal device provided by the invention, comprise radiating circuit 501, receiving circuit 502, processor 503, memory 504, antenna 505 and drive circuit 506.

Wherein, receiving circuit 502 is used to receive the access request that each user terminal sends, and said each access request comprises the channel identication of the target multi-medium data that request is watched and the sign of said user terminal;

Processor 503 is used to be respectively said each user terminal distributing IP multicast address, and the ip multicast address of the user terminal that the channel identication of the target multi-medium data that request is watched is identical is divided into same multi-broadcast group;

Memory 504 is used for storing the ip multicast address in each multi-broadcast group and each the ip multicast group;

Radiating circuit 501 is used for sending the request that is used to obtain the target multi-medium data to mobile multimedia broadcast system, and described request comprises the channel identication of target multi-medium data;

Receiving circuit 502 also is used to receive the target multi-medium data that said mobile multimedia broadcast system sends;

Radiating circuit 501; Also be used for each user terminal said each user terminal of the broadcasting target multi-medium data bag separately to same multi-broadcast group, the target multi-medium data bag of said each user terminal carries the ip multicast address of said user terminal, the target multi-medium data of request and the sign of said user terminal.

Wherein, radiating circuit 501 can be coupled to antenna 505 with receiving circuit 502; In addition, radiating circuit 501 also can independently exist with receiving circuit 502, at this moment, does not possess antenna 505 in the CMMB wireless terminal device.

Need to prove; CMMB wireless terminal device itself can be exactly the Wireless Telecom Equipment of portable terminal and so on for example; Can also comprise the carrier that holds radiating circuit 501, receiving circuit 502, processor 503, memory 504, antenna 505 and drive circuit 506, to allow carrying out data transmission, processing and reception between CMMB wireless terminal device and the terminal equipment.

Above-mentioned processor 503 possibly be a kind of IC chip, has the Signal Processing ability.In implementation procedure, each step of said method can be accomplished through the integrated logic circuit of the hardware in the processor 503 or the instruction of form of software.These instructions can realize and control to cooperate through processor 503 wherein, be used to carry out the method that the embodiment of the invention discloses.Above-mentioned processor 503 can also be general processor, digital signal processor (Digital Signal Processing), application-specific integrated circuit (ASIC) (application specific integrated circuit), ready-made programmable gate array (Field Programmable Gate Array) or other programmable logic devices, discrete gate or transistor logic device, discrete hardware components.

Wherein, above-mentioned general processor can be that microprocessor or this processor also can be the processors of any routine, decoder etc.Step in conjunction with the disclosed method of the embodiment of the invention can be presented as directly that hardware processor 503 is complete, and is perhaps complete with hardware in the processor 503 and software module combination.Software module can be positioned at random asccess memory, and flash memory, read-only memory are in the storage medium of this areas such as programmable read only memory or electrically erasable programmable memory, register maturation.This storage medium is arranged in memory 504, and processor 503 reads the information in the memory 504, accomplishes the step of said method in conjunction with its hardware.

In addition, each nextport hardware component NextPort of CMMB wireless terminal device is coupled through bus system 5100, and wherein bus system 5100 also comprises power bus, control bus and status signal bus in addition except that comprising data/address bus.But, in the drawings various buses all are designated as bus system 5100 in order to have clearly demonstrated.

Referring to Figure 15, further, the CMMB wireless terminal device also comprises: decryption processor 507;

Decryption processor 507 when the target multi-medium data that the mobile multimedia broadcast system that is used for receiving when receiving circuit 502 sends is enciphered data, is deciphered the said target multi-medium data that receives.

Further, processor 503 also is used for confirming same multi-broadcast group, and first sends first user terminal of said access request, and is the said first user terminal allocation manager authority, and said administration authority is used for multimedia programming is carried out control operation;

Further, receiving circuit 502 also is used for receiving the control operation request that the arbitrary user terminal of said same multi-broadcast group sends;

Radiating circuit 501 also is used for sending the information that is used for reminding subscriber terminal input control password to said arbitrary user terminal;

Receiving circuit 502 also is used to receive the control password that said arbitrary user terminal sends;

Processor 503, it is identical also to be used for the control password that control password that relatively receives and the user terminal with administration authority be provided with in advance; When the control password that is provided with in advance when control password that receives and the user terminal with administration authority is identical, carry out and the corresponding control operation of said control operation request; When the control password that is provided with in advance when the said control password that receives and said user terminal with administration authority is inequality, send the response of password mistake to the user terminal that sends the control password through radiating circuit 501.

Further, receiving circuit 502 also is used to receive the cancellation administration authority request of the user terminal transmission with said administration authority; Processor 503 also is used to cancel the administration authority of the user terminal with said administration authority, and said administration authority is distributed to other the arbitrary user terminals in the said same multi-broadcast group; Perhaps,

Receiving circuit 502 also is used to receive the transfer administration authority request that carries the designated user terminal iidentification of the user terminal transmission with said administration authority; Processor 503 also is used to cancel the administration authority of the user terminal with said administration authority, and said administration authority is distributed to said designated user terminal, and said user terminal and said designated user terminal with said administration authority belongs to same multi-broadcast group.

Further; Receiving circuit 502; Also be used for receiving the channel switch request that the arbitrary user terminal of first multi-broadcast group sends, comprise the sign of the channel identication of the target multi-medium data of desiring to switch to, said user terminal and the ip multicast address of said user terminal in the said channel switch request;

Processor 503; Be used for receiving said channel switch request through said control port; Confirm the second corresponding multi-broadcast group of channel identication of the said target multi-medium data of desiring to switch to according to the channel identication of the target multi-medium data of desiring to switch to, and the ip multicast address of said user terminal is divided in said second multi-broadcast group.

Wherein, drive circuit 506, each hardware that is used in the CMMB wireless terminal device provides driving to make that each hardware can operate as normal.

Present embodiment is in concrete the realization; Memory 504 comprises and comprises following one or more memory device at least; Read-only memory, a random access memory or a non-volatile capable random access memory, memory 504 provide instruction and data for processor 503.

Decryption processor 507 possibly be a kind of IC chip, has the Signal Processing ability.In implementation procedure, each step of said method can be accomplished through the integrated logic circuit of the hardware in the decryption processor 507 or the instruction of form of software.These instructions can realize and control to cooperate through processor 503 wherein, be used to carry out the method that the embodiment of the invention discloses.Above-mentioned decryption processor 507 can also be general processor, digital signal processor, application-specific integrated circuit (ASIC), ready-made programmable gate array or other programmable logic devices, discrete gate or transistor logic device, discrete hardware components.

Wherein, above-mentioned general processor can be that microprocessor or this processor also can be the processors of any routine, decoder etc.Step in conjunction with the disclosed method of the embodiment of the invention can be presented as directly that hardware decryption processor 507 is complete, and is perhaps complete with hardware in the decryption processor 507 and software module combination.Software module can be positioned at random asccess memory, and flash memory, read-only memory are in the storage medium of this areas such as programmable read only memory or electrically erasable programmable memory, register maturation.This storage medium is arranged in memory 504, and decryption processor 507 reads the information in the memory 504, accomplishes the step of said method in conjunction with its hardware.

Need to prove; CMMB wireless terminal device itself can be exactly the Wireless Telecom Equipment of portable terminal and so on for example; Can also comprise the carrier that holds radiating circuit 501, receiving circuit 502, processor 503, memory 504, antenna 505, drive circuit 506 and decryption processor 507, to allow carrying out data transmission, processing and reception between CMMB wireless terminal device and the terminal equipment.

CMMB wireless terminal device described in the present embodiment can be TV rod USB DONGLE, gathers the wireless terminal devices such as mobile phone, panel computer of above-mentioned hardware module.

Through the description of above execution mode, the those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential common hardware, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding; The part that technical scheme of the present invention contributes to prior art in essence in other words can be come out with the embodied of software product, and this computer software product is stored in the storage medium that can read, like the floppy disk of computer; Hard disk or CD etc.; Comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.

The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; Can expect easily changing or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of said claim.

Claims

1. the method for a multimedia data communication is characterized in that, comprising:

2. method according to claim 1 is characterized in that, before said each user terminal said each user terminal of broadcasting target multi-medium data bag separately in same multi-broadcast group, also comprises:

3. method according to claim 1 and 2 is characterized in that, also comprises:

4. method according to claim 3 is characterized in that, confirms that said first sends first user terminal of said access request in the same multi-broadcast group, and is after the said first user terminal allocation manager authority, also comprises:

Receive the control password that said arbitrary user terminal sends;

5. according to claim 3 or 4 described methods, it is characterized in that, confirm that said first sends first user terminal of said access request in the same multi-broadcast group, and be after the said first user terminal allocation manager authority, also comprise:

6. method according to claim 1 and 2 is characterized in that, also comprises:

7. a CMMB wireless terminal device is characterized in that, comprising:

Said multimedia player; Also be used for receiving said target multi-medium data from said FPDP; And the target multi-medium data bag of desiring to mail to each user terminal in the same multi-broadcast group sent to said radio receiving terminal through said FPDP, the target multi-medium data bag of said each user terminal carries the ip multicast address of said user terminal, the target multi-medium data of request and the sign of said user terminal;

8. equipment according to claim 7 is characterized in that, said equipment also comprises: the CMMB chip;

9. according to claim 7 or 8 described equipment, it is characterized in that,

Said multimedia player; Also be used for after said each the access request that receives said control port transmission through said control port; Confirm that first sends first user terminal of said access request in the same multi-broadcast group; And be the said first user terminal allocation manager authority, said administration authority is used for multimedia programming is carried out control operation;

10. according to the arbitrary described equipment of claim 7-9, it is characterized in that,

Said wireless communication module also is used for receiving the control operation request that the arbitrary user terminal of said same multi-broadcast group sends, and said control operation request is sent to said control port;

11. according to the arbitrary described equipment of claim 7-10, it is characterized in that,

Said wireless communication module also is used to receive the cancellation administration authority request of the user terminal transmission with said administration authority, and the request of said cancellation administration authority is sent to said control port; Said multimedia player; Also be used for receiving the request of said cancellation administration authority through said control port; Cancellation has the administration authority of the user terminal of said administration authority, and said administration authority is distributed to other the arbitrary user terminals in the said same multi-broadcast group; Perhaps,

12. according to claim 7 or 8 described equipment, it is characterized in that,

Said wireless communication module; Also be used for receiving the channel switch request that the arbitrary user terminal of first multi-broadcast group sends; Comprise the sign of the channel identication of the target multi-medium data of desiring to switch to, said user terminal and the ip multicast address of said user terminal in the said channel switch request, and said channel switch request is sent to said control port;

13. the system of a multimedia data communication is characterized in that, comprises described CMMB wireless terminal device of claim 7-12 and mobile multimedia broadcast system.