CN101442652B - Method, equipment and system for implementing video call business - Google Patents
Method, equipment and system for implementing video call business Download PDFInfo
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- CN101442652B CN101442652B CN200810187290XA CN200810187290A CN101442652B CN 101442652 B CN101442652 B CN 101442652B CN 200810187290X A CN200810187290X A CN 200810187290XA CN 200810187290 A CN200810187290 A CN 200810187290A CN 101442652 B CN101442652 B CN 101442652B
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Abstract
The embodiment of the invention discloses a realization method, a realization device and a realization system for video call service. The method comprises the following steps: receiving video call service data flows, and loading the video call service data flows on at least two data channels connected to a mobile station of a sending party respectively; and merging the video call service data flows to realize the video call service corresponding to the video call service data flow. The embodiment of the invention loads the video call service data flows on at least two data channels to send, thereby extending the bandwidth of loading channels and improving the quality of the video call service.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of video call business implementation method, equipment and system.
Background technology
At present, the business among the mobile network is main with voice call service, and along with science and technology development and growth in the living standard, people have proposed the requirement of video call to the mobile network.Because video call, can only be carried on speed to the having relatively high expectations of bandwidth faster on the mobile network, therefore, traditional mobile network is because the restriction of bandwidth can't be carried video call business.
In the prior art; Can be through reducing the speed of video flowing; With the video call data transaction for can be carried on the lower GSM of bandwidth (Global System for Mobile communications; Global system for mobile communications) the video call data on CS (Circuit Switching, the circuit switching) territory, and through the transmission of GSM CS passage.
The inventor finds that there is following problem at least in prior art in realizing process of the present invention:
The video call business of implementing in the GSM CS territory, though can under the bandwidth about 12Kbps, carry after reducing video flowing speed, because bandwidth is lower, video effect is bad, QoS (Quality ofService, service quality) is relatively poor.
Summary of the invention
The embodiment of the invention provides a kind of video call business implementation method, equipment and system, has improved the quality of video call business.
The embodiment of the invention proposes a kind of video call business implementation method, comprising:
Receive the call setup request message that the transmit leg travelling carriage sends;
According to the call setup request message that receives, foundation is connected with first signaling of said transmit leg travelling carriage and first data channel;
Initiate to activate local terminal packet data protocol PDP, obtain local terminal Internet Protocol IP address; Connect the IP address that obtains said transmit leg travelling carriage through said first signaling; According to the IP address of said local terminal IP address and said transmit leg travelling carriage, set up said second data channel;
Receiver, video call business data flow, said video call business data flow is split into voice flow and video flowing, and said video call business data flow is carried on respectively on two data channel that are connected to the transmit leg travelling carriage at least; Said voice flow is carried on the CS numeric field data passage, and said video flowing is carried on the PS numeric field data passage;
Merge said video call business data flow, with the video call business of realizing that said video call business data flow is corresponding.
The embodiment of the invention also proposes a kind of video call business implementation method, comprising:
Receive at least two call requests;
Confirm that said at least two call requests are the call request to same recipient's travelling carriage;
For said at least two call requests are established at least two data channel of recipient's travelling carriage, to transmit the data flow of said video call business.
The embodiment of the invention also proposes a kind of recipient's travelling carriage, comprising:
First receiver module is used for receiver, video call business data flow, and said video call business data flow is split into voice flow and video flowing, and said video call business data flow is carried on respectively on two data channel that are connected to the transmit leg travelling carriage at least; Said voice flow is carried on the CS numeric field data passage, and said video flowing is carried on the PS numeric field data passage;
Merge module, be used to merge the said video call business data flow that said first receiver module receives.
The embodiment of the invention also proposes a kind of video call business and realizes system, comprising:
The transmit leg travelling carriage is used for the video call business data flow that needs send is divided at least two parts, the video call business data flow after said cutting apart is carried on two data channel at least, and sends to recipient's travelling carriage;
Recipient's travelling carriage; Be used to receive said video call business data flow; Said video call business data flow is split into voice flow and video flowing; Said video call business data flow be carried on respectively and said transmit leg travelling carriage between at least two data channel on, said voice flow is carried on the CS numeric field data passage, said video flowing is carried on the PS numeric field data passage; Merge said video call business data flow, with the video call business of realizing that said video call business data flow is corresponding.
The technical scheme of the embodiment of the invention has the following advantages, because with the video call business data, is carried at least two data channel and sends, thereby, expanded the bandwidth of bearer path, improved the quality of video family call business.
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 property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of video call business implementation method flow chart in the embodiment of the invention;
Fig. 2 is the another kind of video call business implementation method flow chart in the embodiment of the invention;
Fig. 3 is another the video call business implementation method flow chart in the embodiment of the invention;
Fig. 4 is another the video call business implementation method flow chart in the embodiment of the invention;
Fig. 5 is a kind of recipient's travelling carriage structural representation in the embodiment of the invention;
Fig. 6 is the another kind of recipient's travelling carriage structural representation in the embodiment of the invention;
Fig. 7 is another the recipient's travelling carriage structural representation in the embodiment of the invention;
Fig. 8 is that a kind of video call business in the embodiment of the invention is realized the system configuration sketch map.
Embodiment
Recipient's travelling carriage in the embodiment of the invention can be provided with at least two SIM (SubscriberIdentity Module, User Recognition) card, and the two-way radiofrequency signal is provided.The transmit leg travelling carriage is set up signaling with recipient's travelling carriage and is connected; Set up at least two data channel (the different SIM of corresponding recipient's travelling carriage is set up different data channel, and for example recipient's travelling carriage has two cards, then sets up two data channel) with this recipient's travelling carriage; And corresponding data channel strips number; The video call business data flow is divided at least two parts, it is carried on respectively on two data channel being set up at least, send to recipient's travelling carriage.Recipient's travelling carriage receives the video call business data flow of cutting apart transmission, this video call business data flow is merged, and be shown to the user.
The embodiment of the invention is utilized recipient's travelling carriage setting at least two SIM cards; At least two-way radiofrequency signal is provided; Be the characteristic of the many radio frequencies of plurality of SIM cards, travelling carriage and network side are carried out corresponding transformation, make transmit leg travelling carriage and recipient's travelling carriage after connecting; Can set up at least two data channel that are used for carrying data; And utilize these at least two data channel to transmit the video call business data flow, and can obtain video effect and QoS preferably, improved the quality of video call business.
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 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, a kind of video call business implementation method flow chart in the embodiment of the invention may further comprise the steps:
The transmit leg travelling carriage is provided with at least two SIM cards, and the radiofrequency signal that this SIM provides through the interior radio frequency chip of establishing is set up at least two data channel.The transmit leg travelling carriage is set up signaling with recipient's travelling carriage and is connected; And foundation and recipient's data channel; The video call business data flow is converted into the video call business data flow that can be carried on the low speed data channel; This data channel is corresponding with the SIM of recipient's travelling carriage, has several SIM cards that several data channel are promptly arranged.The method of converting video call business data flow can comprise, through reducing resolution, through reducing frame per second, through adopt can changing down coded format, change through adopting modes such as local roam mode.
The video call business data flow that the transmit leg travelling carriage will send is divided at least two parts; Be carried on respectively on the different data channel; Send to recipient's travelling carriage; This data channel can be CS numeric field data passage, also can be respectively CS numeric field data passage and PS (Packet Switch, packet switching) numeric field data passage.When this data channel was respectively CS numeric field data passage and PS numeric field data passage, the video call business data flow that needs to send was split into voice flow and video flowing, and this voice flow is carried on the CS numeric field data passage, and this video flowing is carried on the PS numeric field data passage.Above-mentioned transmit leg travelling carriage and recipient's travelling carriage can be terminal communication equipment, like mobile phone etc.
Because in GSM CS territory, adopt data service to carry video call, every data channel can provide the bandwidth of 12Kbps.Video call business data flow after the transmit leg travelling carriage will be changed is divided at least two parts; Be carried on respectively on the different data channel; Send to recipient's travelling carriage, then in GSM CS territory, the video call business data flow is carried on the channel of 24Kbps bandwidth at least.In like manner, in WCDMA (Wideband Code Division Multiple Access, WCDMA) CS territory, the video call business data flow is carried on the channel of 128Kbps bandwidth at least.
After recipient's travelling carriage receives the video call business data flow of cutting apart transmission from least two data channel; Video call business data flow to receiving merges; Video traffic data after merging are shown to the user, with the video call business of realizing that the video call business data flow is corresponding.
The technical scheme of the embodiment of the invention is sent through the video call business data flow being carried at least two data channel between transmit leg travelling carriage and the recipient's travelling carriage; Can only set up a Data-carrying passage with respect to transmit leg travelling carriage in the prior art and recipient's travelling carriage and transmit video flowing; Expand the bandwidth of bearer path, improved the quality of video family call business.
As shown in Figure 2, the another kind of video call business implementation method flow chart in the embodiment of the invention may further comprise the steps:
During recipient MSC (Mobile Switching Center, mobile switching centre) calling user, receive at least two call requests, comprise the number of recipient's travelling carriage in this call request.Recipient MSC can confirm that these at least two call requests are the call request to same recipient's travelling carriage according to the number of the recipient's travelling carriage that comprises in the call request; Wherein, The number of recipient's travelling carriage that this call request comprises can be identical; Also can adopt the form of following number, for example, two numbers only differ last numeral.
Because recipient's travelling carriage is provided with at least two SIM cards; At least two call requests that recipient MSC confirms to receive are for after being directed against the call request of same recipient's travelling carriage; These at least two call requests are routed to SIMs different on recipient's travelling carriage respectively; To set up at least two data channel; At least two signalings of a plurality of SIMs and the foundation of transmit leg travelling carriage in recipient's travelling carriage are connected and two data channel at least,, realize video call business to carry the video call business data flow.
The technical scheme of the embodiment of the invention is sent through the video call business data flow being carried at least two data channel between transmit leg travelling carriage and the recipient's travelling carriage, has expanded the bandwidth of bearer path, has improved the quality of video family call business.
As shown in Figure 3, another the video call business implementation method flow chart in the embodiment of the invention may further comprise the steps:
Step 301, the transmit leg travelling carriage sends call setup request message to transmit leg MSC.
Can comprise two cards in the transmit leg travelling carriage; SIM 1 and SIM 2; SIM 1 sends two call setup request messages to transmit leg MSC simultaneously with SIM 2, and the called number in these two call setup request messages is the number of recipient's travelling carriage, because recipient's travelling carriage comprises at least two cards; The number of its every card can be identical also can be inequality (can take to follow the form of number the time inequality; But make both auto-associatings), so the called number in these two call setup request messages can be the same or different, require to set up signaling and be connected with recipient's travelling carriage.The number of SIM 1 and SIM 2 can be identical, also can adopt the form of following number, and for example, the number of SIM 1 and SIM 2 only differs last numeral.
Step 302, transmit leg MSC sends IAM (Initial AddressMessage, initial address message) to recipient MSC.
After transmit leg MSC receives the call setup request message of transmit leg travelling carriage transmission, send IAM to recipient's travelling carriage.IAM is the part of integrated service digital network call setting, is used to grasp circuit, transmission addressing, call treatment or routing information, comprises number, the address of recipient's travelling carriage, and other information relevant with path and call treatment.
Step 303, recipient MSC sends call setup request message to recipient's travelling carriage.
Before recipient's travelling carriage receiver, video call business data flow, receive at least two call setup request messages, to should at least two call setup request messages, be established at least two data channel of transmit leg travelling carriage respectively.
Can comprise SIM 3 and SIM 4 in the present embodiment in recipient's travelling carriage, recipient MSC need confirm that these two call setup request messages are directed against same recipient's travelling carriage, specifically can confirm according to the called number that carries in the call request message; In order to make recipient MSC know that SIM 3 and SIM 4 belong to same travelling carriage; Then support that at HLR (Home Location Register, Home Location Registry place) SIM 3 can adopt jack per line with SIM 4 under the situation of two card jack per lines; If HLR does not support under the situation of two card jack per lines; SIM 3 can adopt the form of following number with SIM 4, and for example, SIM 3 differs last numeral with 4 of SIMs; Perhaps check numbers and carry out the setting of other pre-defined rules, make MSC can know that according to number these two call requests are to same travelling carriage.
Recipient MSC confirms that these two call setup request messages are to behind same recipient's travelling carriage; Send call setup request message to SIM 3 and SIM 4 respectively; Recipient's travelling carriage is carried out paging, comprise the number of recipient's travelling carriage in this call setup request message.Be routed to different SIMs respectively in order to call out; Therefore; Recipient MSC need to different SIMs, use different TMSI (Temporary Mobile Subscriber Identity in the process of paging; Temporary mobile subscriber identity) or IMSI (International Mobile Subscriber Identity, international mobile subscriber identity).During concrete the realization, when the transmit leg travelling carriage carried out location registers, network side can distribute different TMSI for its different SIM, is used for follow-up paging.
Step 304, recipient's travelling carriage judge whether the calling that receives comes from same travelling carriage.
If the calling that receives comes from same travelling carriage, then execution in step 305; If the calling that receives is not to come from same travelling carriage, the calling of then rejecting, process ends, the calling that can certainly not reject receives one of them calling, and makes another calling be in wait state.
Recipient's travelling carriage is established to before two data channel of transmit leg travelling carriage at least, need confirm that at least two call setup request messages that receive come from same transmit leg travelling carriage.
In the call setup request message that SIM 3 in recipient's travelling carriage and SIM 4 receive, comprise the number of transmit leg travelling carriage.Recipient's travelling carriage judges according to the number of the transmit leg travelling carriage in the call setup request message whether the calling that receives comes from same travelling carriage.Support that at HLR SIM 1 can adopt jack per line with SIM 2 under the situation of two card jack per lines; Do not support that as HLR SIM 1 can adopt the form of following number with SIM 2 under the situation of two card jack per lines, for example, SIM 1 differs last numeral with 2 of SIMs.Recipient's travelling carriage can judge whether the calling that receives comes from same travelling carriage according to above-mentioned rule, and the calling that receives when judgement is not during from same travelling carriage, the calling of then rejecting.
Step 305, transmit leg travelling carriage set up with recipient's travelling carriage that signaling is connected and data channel, and this data channel is used to carry video flowing.
SIM 1 in the transmit leg travelling carriage is respectively set up signaling with the SIM 3 in recipient's travelling carriage with SIM 4 with SIM 2 and is connected, and constructs two data channel.For example, SIM 1 is set up signaling with SIM 3 and is connected, and constructs a data channel; SIM 2 is set up signaling with SIM 4 and is connected, and constructs another data channel.
Step 306, the video call data that the transmit leg travelling carriage will send are cut apart.
After transmit leg travelling carriage and recipient's travelling carriage are set up signaling and are connected; The video call business data flow is converted into the video call business data flow that can be carried on the low speed data channel; And the corresponding data channel number of setting up, the video call business data flow after the conversion is divided into two parts.
Step 307, the transmit leg travelling carriage sends the video call data after cutting apart to recipient's travelling carriage.
Two parts of video call business data flow after the transmit leg travelling carriage will be cut apart are carried on respectively on two data channel having set up, send to recipient's travelling carriage simultaneously, and this data channel is a CS numeric field data passage.Because in GSM CS territory, adopt data service to carry video call, every data channel can provide the bandwidth of 12Kbps.Video call business data flow after the transmit leg travelling carriage will be changed is divided at least two parts; Be carried on respectively on the different data channel; Send to recipient's travelling carriage, then in the GSMCS territory, the video call business data flow is carried on the channel of 24Kbps bandwidth at least.In like manner, in WCDMA (Wideband Code Division Multiple Access, WCDMA) CS territory, the video call business data flow is carried on the channel of 128Kbps bandwidth at least.Above-mentioned transmit leg travelling carriage and recipient's travelling carriage can be terminal communication equipment, like mobile phone etc.
Step 308, recipient's travelling carriage merges the video call business data flow that receives, with the video call business of realizing that the video call business data flow is corresponding.
After recipient's travelling carriage receives the video call business data flow of cutting apart transmission from two CS numeric field data passages; Video call business data flow to receiving merges; And the video traffic data after will merging are shown to the user, with the video call business of realizing that the video call business data flow is corresponding.
The technical scheme of the embodiment of the invention is through the video call business data flow after will cutting apart; Be carried on two data channel and send, expanded the bandwidth of bearer path, do not improving base station system; Under the prerequisite of HardwareUpgring, improved the quality of video family call business.
As shown in Figure 4, another the video call business implementation method flow chart in the embodiment of the invention may further comprise the steps:
Step 401, the transmit leg travelling carriage sends call setup request message to transmit leg MSC.
Comprise SIM 1 in the transmit leg travelling carriage, SIM 1 sends call setup request message to transmit leg MSC, requires to set up signaling with recipient's travelling carriage and is connected, and this call setup request message is a CS territory call setup request message, comprises the number of recipient's travelling carriage.
Step 402, transmit leg MSC sends IAM to recipient MSC.
After transmit leg MSC receives the call setup request message of transmit leg travelling carriage transmission, send IAM to recipient's travelling carriage.IAM is the part of integrated service digital network call setting, is used to grasp circuit, transmission addressing, call treatment or routing information, comprises number, the address of recipient's travelling carriage, and other information relevant with path and call treatment.
Step 403, recipient MSC sends call setup request message to recipient's travelling carriage.
Before recipient's travelling carriage receiver, video call business data flow; Receive the call setup request message that the transmit leg travelling carriage sends; According to the call setup request message that receives; Foundation is connected with first signaling of transmit leg travelling carriage and first data channel, and sets up second data channel through the connection of first signaling.
Comprise SIM 3 in recipient's travelling carriage, recipient MSC sends call setup request message to SIM 3 simultaneously, and recipient's travelling carriage is carried out paging, comprises the number of recipient's travelling carriage in this call setup request message.
Step 404, transmit leg travelling carriage are set up first signaling with recipient's travelling carriage and are connected and first data channel.
SIM 1 in the transmit leg travelling carriage and the SIM 3 in recipient's travelling carriage; Set up first signaling connects and first data channel in the CS territory; This first signaling is connected to the CS domain signaling and connects; This first data channel is a CS numeric field data passage, is used for the transmit leg travelling carriage and recipient's travelling carriage carries out voice call.
Step 405, transmit leg travelling carriage and recipient's travelling carriage carry out voice communication.
SIM 1 in the transmit leg travelling carriage and the SIM 3 in recipient's travelling carriage after the signaling connection is set up in the CS territory, carry out voice communication, and voice flow is carried on the CS numeric field data passage.Transmit leg user and recipient user can confirm to activate video traffic after carrying out voice communication.
Step 406; The transmit leg travelling carriage is to SGSN (Serving General packet radio serviceSupporting Node; The GPRS serving GPRS support node)/GGSN (GatewayGeneral packet radio service Supporting Node, gateway GPRS supporting node (GGSN)) initiation activation local terminal PDP (Packet Data Protocol, packet data protocol); Obtain local terminal IP (Internet Protocol, Internet Protocol) address.
Also comprise SIM 2 in the transmit leg travelling carriage, SIM 2 initiates to activate the request of local terminal PDP Context to SGSN/GGSN, obtains local terminal IP address.SGSN writes down the current location information of travelling carriage, and between travelling carriage and GGSN, accomplishes the transmission and the reception of mobile packet data.GGSN mainly plays the gateway effect, can be connected with multiple different data network, like internet and PSPDN (Public Switching Packet Data Network, public exchange Packet Data Network) etc.
Need to prove that above-mentioned " activate local terminal PDP, obtain local terminal IP address " is the normal process in the existing protocol, this paper does not do too much and gives unnecessary details.
Step 407, recipient's travelling carriage initiates to activate local terminal PDP to SGSN/GGSN, obtains local terminal IP address.
Also comprise SIM 4 in recipient's travelling carriage, SIM 4 initiates to activate the request of local terminal PDP Context to SGSN/GGSN, obtains local terminal IP address.Need to prove that above-mentioned " activate local terminal PDP, obtain local terminal IP address " is the normal process in the existing protocol, this paper does not do too much and gives unnecessary details.
Step 408, transmit leg travelling carriage and recipient's travelling carriage are through the CS domain signaling, and transmission local terminal IP address is to the opposite end.
After SIM 2 in the transmit leg travelling carriage obtains local terminal IP address, by SIM 1 through the CS domain signaling with the SIM 3 of local terminal IP address transfer in recipient's travelling carriage, the SIM 4 in recipient's travelling carriage obtains the IP address of transmit leg travelling carriage through SIM 3.In like manner; After SIM 4 in recipient's travelling carriage obtains local terminal IP address; By SIM 3 through the CS domain signaling with the SIM 1 of local terminal IP address transfer in the transmit leg travelling carriage, the SIM 2 in recipient's travelling carriage obtains the IP address of transmit leg travelling carriage through SIM 1.Particularly, the IP address can be carried in the Facility message, transmits through the CS territory.
Step 409, transmit leg travelling carriage and recipient's travelling carriage carry out video communication.
Recipient's travelling carriage connects through first signaling sets up second data channel, comprising: initiate to activate local terminal PDP, obtain local terminal IP address; Connect the IP address that obtains the transmit leg travelling carriage through first signaling; According to the IP address of local terminal IP address and transmit leg travelling carriage, set up second data channel, this second data channel is a PS numeric field data passage.
After SIM 2 in the transmit leg travelling carriage obtains the IP address of opposite end with the SIM 4 in recipient's travelling carriage; Connect, promptly set up PS numeric field data passage, can send and receiver, video stream through the PS territory; Video flowing is carried on the PS numeric field data passage, carries out video communication.
Behind the end of conversation, can cut off the voice communication in CS territory and the video communication in PS territory simultaneously, charge respectively according to the duration of call in CS territory and PS territory.
The technical scheme of the embodiment of the invention is set up two Data-carrying passages through two SIM cards are set in travelling carriage; Voice communication and video communication are carried on respectively on two SIM cards corresponding the CS numeric field data passage and PS numeric field data passage; Expanded the bandwidth of bearer path; Not improving base station system, under the prerequisite of HardwareUpgring, improved the quality of video family call business.
As shown in Figure 5, a kind of recipient's travelling carriage structural representation in the embodiment of the invention comprises:
First receiver module 510 is used for receiver, video call business data flow, and this video call business data flow is carried on respectively on two data channel that are connected to the transmit leg travelling carriage at least.
Recipient's travelling carriage can be provided with at least two SIM cards, at least two data channel of correspondence.First receiver module 510 receives at least two parts of video call business data flow of cutting apart transmission that the transmit leg travelling carriage sends through different data channel, cuts apart the video call business data flow of the video call business datastream source of transmission in an integral body.Above-mentioned data channel can be CS numeric field data passage, also can be respectively CS numeric field data passage and PS numeric field data passage.When this data channel was respectively CS numeric field data passage and PS numeric field data passage, the video call business data flow that needs to send was split into voice flow and video flowing, and this voice flow is carried on the CS numeric field data passage, and this video flowing is carried on the PS numeric field data passage.Above-mentioned transmit leg travelling carriage and recipient's travelling carriage can be terminal communication equipment, like mobile phone etc.
Merge module 520, be used to merge the video call business data flow that first receiver module 510 receives.
The video call business data flow that 520 pairs first receiver modules 510 of merging module receive merges, and constitutes the video call business data flow of an integral body, so that the video traffic data after follow-up will the merging are shown to the user.
The technical scheme of the embodiment of the invention has the following advantages; Because receive the video call business data flow of cutting apart transmission through at least two data channel; And the video call business data flow that receives merged; Expand the bandwidth of bearer path, improved the quality of video family call business.
As shown in Figure 6, the another kind of recipient's travelling carriage structural representation in the embodiment of the invention comprises:
In recipient's travelling carriage at least two SIM cards can be set, correspondingly, second receiver module 610 can receive at least two call setup request messages that the transmit leg travelling carriage sends.
First sets up module 630, is used at least two call setup request messages that corresponding respectively second receiver module 610 receives, and is established at least two data channel of transmit leg travelling carriage.
The video call business data flow that 650 pairs first receiver modules 640 of merging module receive merges, and constitutes the video call business data flow of an integral body, so that the video traffic data after follow-up will the merging are shown to the user.
The technical scheme of the embodiment of the invention has the following advantages; Because through at least two CS numeric field data passages; The video call business data flow of transmission is cut apart in reception; And the video call business data flow that receives merged, expanded the bandwidth of bearer path, improved the quality of video family call business.
As shown in Figure 7, another the recipient's travelling carriage structural representation in the embodiment of the invention comprises:
The 3rd receiver module 710 is used to receive the call setup request message from the transmit leg travelling carriage.
In recipient's travelling carriage at least two SIM cards can be set, the 3rd receiver module 710 can receive the call setup request message that the transmit leg travelling carriage sends.
Second sets up module 720, is used for the call setup request message according to 710 receptions of the 3rd receiver module, sets up with first signaling of transmit leg travelling carriage to be connected and first data channel, and sets up second data channel through the connection of first signaling.
Second sets up the call setup request message that module 720 receives according to the 3rd receiver module 710; Can set up with first signaling of transmit leg travelling carriage in the CS territory and be connected and first data channel; This first signaling connects can be for the CS domain signaling connects, and this first data channel can be CS numeric field data passage.
Second sets up module 720 can also connect second data channel of setting up with the transmit leg travelling carriage through first signaling in the PS territory, and this second data channel can be PS numeric field data passage.Above-mentioned transmit leg travelling carriage and recipient's travelling carriage can be terminal communication equipment, like mobile phone etc.
First receiver module 730 is used for receiver, video call business data flow, and this video call business data flow is carried on respectively on two data channel that are connected to the transmit leg travelling carriage at least.
First receiver module 730 receives the video call business data flow that the transmit leg travelling carriage sends through different data channel.This video call business datastream source can be respectively voice flow and video flowing in the video call business data flow of an integral body, and this voice flow is carried on the CS numeric field data passage, and this video flowing is carried on the PS numeric field data passage.
Merge module 740, be used to merge the video call business data flow that first receiver module 730 receives.
Voice flow and video flowing that 740 pairs first receiver modules 730 of merging module receive merge, and constitute the video call business data flow of an integral body, so that the video traffic data after follow-up will the merging are shown to the user.
Above-mentioned second sets up module 720, comprising:
Set up submodule 721, be used for the call setup request message according to 710 receptions of the 3rd receiver module, foundation is connected with first signaling of transmit leg travelling carriage and first data channel.
First obtains submodule 722, is used for initiating to activate local terminal PDP, obtains local terminal IP address.
First obtains submodule 722 initiates to activate local terminal PDP to SGSN/GGSN, obtains local terminal IP address.SGSN writes down the current location information of travelling carriage, and between travelling carriage and GGSN, accomplishes the transmission and the reception of mobile packet data.GGSN mainly plays the gateway effect, can be connected with multiple different data network, like internet and PSPDN etc.
Second obtains submodule 723, is used for connecting the IP address that obtains the transmit leg travelling carriage through first signaling.
Transmit leg travelling carriage and recipient's travelling carriage are through the CS domain signaling, and transmission local terminal IP address is to the opposite end, and second obtains submodule 723 connects the IP address that obtains the transmit leg travelling carriage through first signaling of having set up.Particularly, the IP address can be carried in the Facility message, transmits through the CS territory.
Set up submodule 721, also be used for obtaining the IP address of the transmit leg travelling carriage that submodule 723 obtains, set up second data channel according to local terminal IP address and second.
Set up submodule 721 and obtain the IP address of the opposite end that submodule 723 obtains according to local terminal IP address and second, set up second data channel, this second data channel is a PS numeric field data passage, is used to carry video flowing, carries out video communication.
The technical scheme of the embodiment of the invention is through setting up two Data-carrying passages (CS numeric field data passage and PS numeric field data passage); Voice flow and video flowing are carried on respectively on CS numeric field data passage and the PS numeric field data passage; Expanded the bandwidth of bearer path; Not improving base station system, under the prerequisite of HardwareUpgring, improved the quality of video family call business.
As shown in Figure 8, realize the system configuration sketch map for a kind of video call business in the embodiment of the invention, comprising:
Transmit leg travelling carriage 810 is used for the video call business data flow that needs send is divided at least two parts, and the video call business data flow after will cutting apart is carried on two data channel at least, and sends to recipient's travelling carriage 820.
Transmit leg travelling carriage 810 can be provided with at least two SIM cards, at least two data channel of correspondence.The video call business data flow that transmit leg travelling carriage 810 will send is divided at least two parts according to the size of data volume.The umber of the video call business data flow after cutting apart is identical with the number of SIM in the transmit leg travelling carriage 810.Video call business data flow after transmit leg travelling carriage 810 will be cut apart is carried on the different data channel, sends to recipient's travelling carriage 820, and this data channel can be CS numeric field data passage.In GSM CS territory, the video call business data flow is carried on the channel of 24Kbps bandwidth at least.In like manner, in WCDMA CS territory, the video call business data flow is carried on the channel of 128Kbps bandwidth at least.Above-mentioned data channel also can be respectively CS numeric field data passage and PS numeric field data passage.When this data channel was respectively CS numeric field data passage and PS numeric field data passage, the video call business data flow that needs to send was split into voice flow and video flowing, and this voice flow is carried on the CS numeric field data passage, and this video flowing is carried on the PS numeric field data passage.Above-mentioned transmit leg travelling carriage 810 and recipient's travelling carriage 820 can be terminal communication equipment, like mobile phone etc.
Above-mentioned transmit leg travelling carriage 810 was divided into before two parts in the video call business data flow that will send at least, can convert the video call business data flow that can be carried on the low speed data channel into earlier with the video call business data flow that needs to send.Conversion method can comprise, through reducing resolution, through reducing frame per second, through adopt can changing down coded format, through adopting local roam mode etc.
Recipient's travelling carriage 820; Be used for receiver, video call business data flow; This video call business data flow is carried on respectively on two data channel that are connected to transmit leg travelling carriage 810 at least; Merge the video call business data flow, with the video call business of realizing that said video call business data flow is corresponding.
Recipient's travelling carriage 820 can be provided with at least two SIM cards, at least two data channel of correspondence.Recipient's travelling carriage 820 receives at least two parts of video call business data flow of cutting apart transmission that the transmit leg travelling carriage sends through different data channel, cuts apart the video call business data flow of the video call business datastream source of transmission in an integral body.The video call business data flow that 820 pairs of recipient's travelling carriages receive merges, and constitutes the video call business data flow of an integral body, so that the video traffic data after follow-up will the merging are shown to the user.
Above-mentioned recipient's travelling carriage 820 is used to also confirm that at least two video calls that receive set up request message and come from same transmit leg travelling carriage.
Recipient's travelling carriage 820 also is used for the receiver, video call setup request message, because at least two SIM cards are set in recipient's travelling carriage 820, is at least two so the video call that recipient's travelling carriage 820 receives is set up request message bar number.The video call that 820 judgements of recipient's travelling carriage receive is set up request message and whether is come from same transmit leg travelling carriage, comes from same transmit leg travelling carriage, then receipt of call if the video call that receives is set up request message; If it is not to come from same transmit leg travelling carriage that the video call that receives is set up request message; The calling that can reject, process ends, the calling that can certainly not reject; Receive one of them calling, and make another calling be in wait state.
Said system also comprises:
During mobile switching centre 830 calling users, receive at least two call requests, comprise the number of recipient's travelling carriage 820 in this call request.Mobile switching centre 830 can be according to the number of the recipient's travelling carriage that comprises in the call request; Confirm that at least two call requests that receive are the call request to same recipient's travelling carriage; The number of the recipient's travelling carriage that comprises to the call request of same recipient's travelling carriage can be identical; Also can adopt the form of following number, for example, two numbers only differ last numeral.
Because recipient's travelling carriage 820 is provided with at least two SIM cards; At least two call requests that mobile switching centre 830 confirms to receive are for after being directed against the call request of same recipient's travelling carriage; At least two call requests that receive are routed to different SIMs respectively; At least two signalings of a plurality of SIMs and 810 foundation of transmit leg travelling carriage in recipient's travelling carriage 820 are connected and two data channel at least,, realize video call business to carry the video call business data flow.
The technical scheme of the embodiment of the invention has the following advantages; Because being carried on two data channel at least, the video call business data flow after the transmit leg travelling carriage will be cut apart sends; Recipient's travelling carriage receives the video call business data flow of cutting apart transmission through at least two data channel; And the video call business data flow that receives merged, expanded the bandwidth of bearer path, improved the quality of video family call business.
Through the description of above execution mode, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, 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; This computer software product is stored in the storage medium, comprise some instructions with so that a station terminal equipment (can be mobile phone, personal computer; Server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be looked protection scope of the present invention.
Claims (6)
1. a video call business implementation method is characterized in that, comprising:
Receive the call setup request message that the transmit leg travelling carriage sends;
According to the call setup request message that receives, foundation is connected with first signaling of said transmit leg travelling carriage and first data channel;
Recipient's Mobile Origination activates local terminal packet data protocol PDP, obtains local terminal Internet Protocol IP address; Connect the IP address that obtains said transmit leg travelling carriage through said first signaling; According to the IP address of said local terminal IP address and said transmit leg travelling carriage, set up second data channel;
Said transmit leg travelling carriage is provided with at least two User Recognition SIMs; Said SIM is set up said at least two data channel through the radiofrequency signal that the interior radio frequency chip of establishing provides;
Receiver, video call business data flow; Said video call business data flow is split into voice flow and video flowing; Said video call business data flow is carried on respectively on said first, second data channel that is connected to the transmit leg travelling carriage; Wherein first data channel is the circuit commutative field passage, and second data channel is the packet-switched domain passage; Said voice flow is carried on the circuit commutative field data channel, and said video flowing is carried on the packet-switched domain data passage;
Merge said video call business data flow, with the video call business of realizing that said video call business data flow is corresponding.
2. the method for claim 1 is characterized in that, said call setup request message is the circuit commutative field call setup request message, and said first signaling is connected to the circuit switching domain signaling and connects.
3. a travelling carriage is characterized in that, comprising:
First receiver module is used for receiver, video call business data flow, and said video call business data flow is split into voice flow and video flowing, and said video call business data flow is carried on respectively on two data channel that are connected to the transmit leg travelling carriage at least; Wherein, first data channel is the circuit commutative field data channel, and second data channel is the packet-switched domain data passage; Said voice flow is carried on the circuit commutative field data channel, and said video flowing is carried on the packet-switched domain data passage;
The 3rd receiver module is used to receive the call setup request message from said transmit leg travelling carriage;
Second sets up module; Be used for said call setup request message according to said the 3rd receiver module reception; Foundation is connected with first signaling of said transmit leg travelling carriage and first data channel, initiates to activate local terminal packet data protocol PDP, obtains local terminal Internet Protocol IP address; Connect the IP address that obtains said transmit leg travelling carriage through said first signaling; According to the IP address of said local terminal IP address and said transmit leg travelling carriage, set up second data channel;
Said transmit leg travelling carriage is provided with at least two User Recognition SIMs; Said SIM is set up said at least two data channel through the radiofrequency signal that the interior radio frequency chip of establishing provides;
Merge module, be used to merge the said video call business data flow that said first receiver module receives.
4. a video call business is realized system, it is characterized in that, comprising:
The transmit leg travelling carriage is used for the video call business data flow that needs send is divided into two parts of voice flow and video flowings, the video call business data flow after said cutting apart is carried on two data channel at least, and sends to recipient's travelling carriage; Said transmit leg travelling carriage is provided with at least two User Recognition SIMs; Said SIM is set up said at least two data channel through the radiofrequency signal that the interior radio frequency chip of establishing provides;
Recipient's travelling carriage; Be used to receive said video call business data flow; Said video call business data flow is carried on respectively on two data channel that are connected to said transmit leg travelling carriage at least; Wherein first data channel is the circuit commutative field data channel, and second data channel is the packet-switched domain data passage; Said voice flow is carried on the circuit commutative field data channel, and said video flowing is carried on the packet-switched domain data passage; Merge said video call business data flow, with the video call business of realizing that said video call business data flow is corresponding.
5. system as claimed in claim 4 is characterized in that, said recipient's travelling carriage is used to also confirm that at least two call setup request messages that receive come from same transmit leg travelling carriage.
6. like claim 4 or 5 described systems, it is characterized in that, also comprise:
Mobile switching centre; Be used to receive at least two call requests from said transmit leg travelling carriage; Confirm that said at least two call requests are the call request to same recipient's travelling carriage, are established at least two data channel of recipient's travelling carriage at least for said two call requests.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810187290XA CN101442652B (en) | 2008-12-22 | 2008-12-22 | Method, equipment and system for implementing video call business |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810187290XA CN101442652B (en) | 2008-12-22 | 2008-12-22 | Method, equipment and system for implementing video call business |
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| Publication Number | Publication Date |
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| CN101442652A CN101442652A (en) | 2009-05-27 |
| CN101442652B true CN101442652B (en) | 2012-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200810187290XA Expired - Fee Related CN101442652B (en) | 2008-12-22 | 2008-12-22 | Method, equipment and system for implementing video call business |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US9565715B2 (en) * | 2010-05-13 | 2017-02-07 | Mediatek Inc. | Apparatuses and methods for coordinating operations between circuit switched (CS) and packet switched (PS) services with different subscriber identity cards, and machine-readable storage medium |
| CN107018520B (en) * | 2016-01-28 | 2021-02-05 | 努比亚技术有限公司 | Network signal enhancement apparatus and method |
| CN105828389A (en) * | 2016-01-28 | 2016-08-03 | 努比亚技术有限公司 | Device and method for enhancing network speed |
| CN105898887A (en) * | 2016-01-28 | 2016-08-24 | 努比亚技术有限公司 | Network speed enhancement device and method |
| CN105764078A (en) * | 2016-05-16 | 2016-07-13 | 努比亚技术有限公司 | Network signal enhancement device and network signal enhancement method |
| CN111491290B (en) * | 2020-04-14 | 2021-06-29 | 深圳市沃特沃德股份有限公司 | Method, device and computer equipment for parallel transmission of network voice and PS domain data |
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| CN101442652A (en) | 2009-05-27 |
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