CN100442938C - Method for calling double-mode terminal - Google Patents
Method for calling double-mode terminal Download PDFInfo
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- CN100442938C CN100442938C CNB200610083166XA CN200610083166A CN100442938C CN 100442938 C CN100442938 C CN 100442938C CN B200610083166X A CNB200610083166X A CN B200610083166XA CN 200610083166 A CN200610083166 A CN 200610083166A CN 100442938 C CN100442938 C CN 100442938C
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Abstract
The method comprises: a) when dual-mode terminal has an event happening in evolution-data optimized (EV-DO) network, the access network (AN) informs said event to mobile switch center/mobile switch center emulation (MSC/MSCe); according to the obtained event, MSC/MSCE determines the status of dual-mode terminal in EV-DO network; b) when receiving a paging from 1x network, according to the status of dual-mode terminal in EV-DO network, MSC/MSCe determines the mode of making the paging to dual-mode terminal, and makes paging to the dual-mode terminal.
Description
Technical field
(Code Division Multiple Access, CDMA) technology relate in particular to a kind of method of calling double-mode terminal to the present invention relates to code division multiple access.
Background technology
CDMA 2000 standards are protocol suites, comprise CDMA 2000 1x and CDMA 2000 1x enhancement mode-high-speed datas (Evolution-Data Only, EV-DO).CDMA 2000 1x can provide the data service of speech business and 307.2Kb/s in the wireless transmission bandwidth of 1.25MHz, CDMA 2000 1x are quite ripe at present, and are commercial in the success of a plurality of countries and regions; CDMA 2000 1xEV-DO use at data and optimize, and the data rate up to 2.4Mb/s can be provided in the wireless transmission bandwidth of 1.25MHz, have the very high availability of frequency spectrum, and CDMA 20001xEV-DO has also had the scale commercialization at present.
Because the 1x network has been built in most of CDMA operations commercial city, therefore, how introduce the focus that the EV-DO network becomes operator on the 1x network, the interoperability that how to solve two dual-mode terminals when network coexisted also becomes the focus that operator and equipment vendor pay close attention to.Wherein, described dual-mode terminal is meant the hybrid terminal of supporting 1x and EV-DO simultaneously, can be operated in 1x network and EV-DO network simultaneously, registers at two networks respectively.The business of initiatively initiating for dual-mode terminal is if the 1x network then preferentially selected in the circuit domain voice, if packet data application is then preferentially selected the EV-DO network.
EV-DO Rev.0 technology write the 3GPP2 standard in 2000, it is to design under the background that the internet data downloading business impacts, and its design original intention is to satisfy the needs of getting online without being tethered to a cable, and wireless downloading at a high speed is provided.Do not have mutual interface between EV-DO Rev.0 network and the 1x network, have only the information of understanding two networks by terminal, as lane place, paging etc.Referring to EV-DORev.0 network configuration shown in Figure 1, mainly comprise packet data serving node (Packet Data Serving Node, PDSN), Packet Control Function (Packet Control Function, PCF), access network (AccessNetwork, AN), AN authentication and authorization charging (AAA) and access terminal (Access Terminal, AT).Wherein, AT inserts AN by air interface (Air Interface), and AN is used for mobile management, and AN AAA is used for access authentication.EV-DO network and 1x network can shared PDSN, need not newly-built PDSN when building the EV-DO network generally speaking, but to increase AN, PCF and AAA newly.
EV-DO Rev.A is the evolution of EV-DO Rev.0, be primarily aimed at VOIP and the key technology of EV-DO carried out comprehensive optimization with other wireless data services application, can provide low-cost, high power capacity IP phone/visual telephone (VOIP/VT), broadcast multi-broadcasting, press-and-talk business such as (PTT) carry out platform, and on voice user's capacity, have more advantage than 1x.Referring to shown in Figure 2, the network configuration of the network configuration of EV-DO Rev.A and EV-DO Rev.0 is close substantially, difference has been to increase the interface A1/A1p between the mobile switching centre/mobile soft switch center (MSC/MSCe) of AN and 1x network, and the air protocol that has strengthened the EV-DO network makes the signaling of 1x network can be encapsulated in transmission in medium access control (MAC) bag of EV-DO network.The A1/A1p interface is the bidirectional interface of standard, can carry beep-page message that MSC sends to AN, layer three signaling, short message (SMS) etc., also can carry the business request information etc. that AN sends to MSC/MSCe.
For paging from the EV-DO network, the AN of EV-DO network judges at first whether dual-mode terminal is in business state at the 1x network, if, AN sends the paging request to the MSC/MSCe of 1x network, at 1x ICQ dual-mode terminal, the notice dual-mode terminal has the calling from the EV-DO network by MSC/MSCe; Otherwise AN is at EV-DO ICQ dual-mode terminal.
Referring to shown in Figure 3, in order to guarantee carrying out smoothly from the EV-DO ICQ, when dual-mode terminal when the 1x network carries out business, the MSC/MSCe of 1x network need send event notice (Event Notification) message to the AN of EV-DO network, and notice AN dual-mode terminal carries out business at the 1x network.Like this, as from the paging of EV-DO network the time, AN smoothly paging to dual-mode terminal.
For the common dual-mode terminal of two nets registration, as from the paging of 1x network the time, MSC/MSCe judges at first whether the 1x positional information of dual-mode terminal is effective, if the 1x positional information is effective, MSC/MSCe is then at 1X ICQ dual-mode terminal; If the 1x positional information is invalid, the EV-DO positional information is effective, and MSC/MSCe then sends the paging request to the AN at dual-mode terminal place, at EV-DO ICQ dual-mode terminal.
But, for paging,, whether be in business state etc. at the 1x network as dual-mode terminal because MSC/MSCe can't learn the current concrete situation at the EV-DO network of dual-mode terminal from the 1x network, when determining the paging mode of dual-mode terminal deviation may appear therefore.Such as, for just in the EV-DO network, carrying out professional dual-mode terminal, as from the paging of 1x network the time, if the 1x positional information of dual-mode terminal is effective, MSC/MSCe then can be at 1x ICQ dual-mode terminal, that is to say that dual-mode terminal need interrupt ongoing data service in the EV-DO network at the paging time-slot of 1x network, monitors the paging of 1x network.The data service that this is ongoing to dual-mode terminal, especially some real-times require will inevitably have a negative impact as VOIP, VT, PTT etc. than higher data service, cause the interruption of data service, thereby influence quality of service.In addition, for paging, when the 1x of dual-mode terminal positional information is invalid, if MSC/MSCe can not learn the current more specific location information in the EV-DO network of dual-mode terminal from the 1x network, then MSC/MSCe may paging less than dual-mode terminal, thereby cause paging failure.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of method of calling double-mode terminal, determine the paging mode of dual-mode terminal more exactly.
For achieving the above object, technology provided by the invention may further comprise the steps:
A, when incident takes place in dual-mode terminal in the EV-DO network, AN is with dual-mode terminal event notice MSC/MSCe in the EV-DO network, MSC/MSCe determines the state of dual-mode terminal in the EV-DO network according to the incident of knowing;
B, as from the paging of 1x network the time, MSC/MSCe determines the mode of calling double-mode terminal according to the state of dual-mode terminal in the EV-DO network, and dual-mode terminal is carried out paging.
Wherein, the described AN of steps A comprises dual-mode terminal event notice MSC/MSCe in the EV-DO network: AN is carried at dual-mode terminal event in the EV-DO network in the EventNotification message and sends to MSC/MSCe.
The described incident of steps A is that dual-mode terminal is when carrying out business in the EV-DO network, the described MSC/MSCe of steps A determines that according to the incident of knowing the state of dual-mode terminal in the EV-DO network is: the AN at MSC/MSCe record dual-mode terminal place, and the record dual-mode terminal is in business state in the EV-DO network.
When the described incident of steps A is the service ending of dual-mode terminal in the EV-DO network, the described MSC/MSCe of steps A determines that according to the incident of knowing the state of dual-mode terminal in the EV-DO network is: the AN at MSC/MSCe record dual-mode terminal place, and the record dual-mode terminal is in Idle state in the EV-DO network.
The described incident of steps A is that dual-mode terminal is striden AN when carrying out business in the EV-DO network when switching, the described MSC/MSCe of steps A determines that according to the incident of knowing the state of dual-mode terminal in the EV-DO network is: the AN at MSC/MSCe record dual-mode terminal place, and the record dual-mode terminal is in business state in the EV-DO network.
The described incident of steps A is that dual-mode terminal is when having done location registers in the EV-DO network, the described MSC/MSCe of steps A determines that according to the incident of knowing the state of dual-mode terminal in the EV-DO network is: the AN at MSC/MSCe record dual-mode terminal place, and the record dual-mode terminal is in Idle state in the EV-DO network.
The described MSC/MSCe of step B determines that according to the state of dual-mode terminal in the EV-DO network paging mode of dual-mode terminal comprises: MSC/MSCe judges that dual-mode terminal is in business state or Idle state in the EV-DO network, if be in business state, MSC/MSCe sends the paging request to the AN at dual-mode terminal place, after AN receives the paging request, at EV-DO ICQ dual-mode terminal; If be in Idle state, MSC/MSCe judges whether the 1x positional information of dual-mode terminal is effective, if the 1x positional information is effective, MSC/MSCe is then at 1X ICQ dual-mode terminal; If the 1x positional information is invalid, the EV-DO positional information is effective, and MSC/MSCe then sends the paging request to the AN at dual-mode terminal place, after AN receives the paging request, at EV-DO ICQ dual-mode terminal.
This shows, AN is with dual-mode terminal event notice MSC/MSCe in the EV-DO network among the present invention, MSC/MSCe has in time been known the state of dual-mode terminal in the EV-DO network by AN, like this, as from the paging of 1x network the time, MSC/MSCe just can determine the paging mode of dual-mode terminal more exactly according to the state of dual-mode terminal.Thereby can reduce in order to monitor the service disconnection in the EV-DO network that causes from the paging of 1X network, improve the data service quality in the EV-DO network; And, can guarantee MSC/MSCe smoothly paging improve call successful rate to dual-mode terminal.
Description of drawings
Fig. 1 is an EV-DO Rev.0 schematic network structure of the prior art;
Fig. 2 is an EV-DO Rev.A schematic network structure of the prior art;
Fig. 3 is the schematic diagram of MSC/MSCe notice AN in the prior art;
Fig. 4 is the flow chart of calling double-mode terminal among the present invention;
Fig. 5 is the schematic diagram of AN notice MSC/MSCe in the embodiment of the invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, the embodiment that develops simultaneously with reference to the accompanying drawings is described in further detail the present invention.
Referring to shown in Figure 4, the method for calling double-mode terminal provided by the present invention mainly may further comprise the steps:
Step 401: when dual-mode terminal in the EV-DO network incident took place, AN was with dual-mode terminal event notice MSC/MSCe in the EV-DO network, and MSC/MSCe determines the state of dual-mode terminal in the EV-DO network according to the incident of knowing;
Step 402: as from the paging of 1x network the time, MSC/MSCe determines the mode of calling double-mode terminal according to the state of dual-mode terminal in the EV-DO network, and dual-mode terminal is carried out paging.
Wherein, the event in the EV-DO network of described dual-mode terminal can be dual-mode terminal carry out business in the EV-DO network; Perhaps be the service ending of dual-mode terminal in the EV-DO network; Striding AN when perhaps carrying out business for dual-mode terminal in the EV-DO network switches; Perhaps in the EV-DO network, carry out location registers or the like for dual-mode terminal.
Referring to shown in Figure 5, the AN at dual-mode terminal place can be carried at dual-mode terminal event in the EV-DO network MSC/MSCe that sends in the Event Notification message under the dual-mode terminal.Wherein, AN send to MSC/MSCe Event Notification message format can to send to the Event Notification message format of AN consistent with MSC/MSCe in the prior art.
Such as, when dual-mode terminal carries out business in the EV-DO network, the AN transmission is carried dual-mode terminal and is carried out the Event Notification message of business information to MSC/MSCe in the EV-DO network, after MSC/MSCe receives message, the AN at record dual-mode terminal place, and the record dual-mode terminal is in business state in the EV-DO network.
When the service ending of dual-mode terminal in the EV-DO network, AN sends and carries the Event Notification message of the service ending information of dual-mode terminal in the EV-DO network to MSC/MSCe, after MSC/MSCe receives message, the AN at record dual-mode terminal place, and the record dual-mode terminal is in Idle state in the EV-DO network.
When the AN switching has taken place to stride when dual-mode terminal carries out business in the EV-DO network, the AN that switches dual-mode terminal place, back be purpose AN send carry stride the AN handover information when dual-mode terminal carries out business in the EV-DO network Event Notification message to MSC/MSCe, after MSC/MSCe receives message, the AN at record dual-mode terminal place, and the record dual-mode terminal is in business state in the EV-DO network.
When dual-mode terminal has been done location registers in the EV-DO network, the AN transmission is carried dual-mode terminal and has been done the Event Notification message of position register information to MSC/MSCe in the EV-DO network, after MSC/MSCe receives message, the AN at record dual-mode terminal place, and the record dual-mode terminal is in Idle state in the EV-DO network.
MSC/MSCe has determined after the state of dual-mode terminal in the EV-DO network according to the notice of AN, for paging from the 1x network, just can determine the paging mode of dual-mode terminal according to the state of dual-mode terminal in the EV-DO network more exactly, detailed process is as follows:
As from the paging of 1x network the time, MSC/MSCe judges that dual-mode terminal is in business state or Idle state in the EV-DO network, if be in business state, MSC/MSCe sends the paging request to the AN at dual-mode terminal place, after AN receives the paging request, at EV-DO ICQ dual-mode terminal, so just can guarantee the continuity of dual-mode terminal ongoing business in the EV-DO network; If be in Idle state, MSC/MSCe judges whether the 1x positional information of dual-mode terminal is effective, if the 1x positional information is effective, MSC/MSCe is then at 1X ICQ dual-mode terminal; If the 1x positional information is invalid, the EV-DO positional information is effective, and MSC/MSCe is then at EV-DO ICQ dual-mode terminal, and promptly MSC/MSCe sends the paging request to the AN at dual-mode terminal place, after AN receives the paging request, at EV-DO ICQ dual-mode terminal.
Need to prove that in addition other event notice MSC/MSCe that AN also can dual-mode terminal take place as dual-mode terminal shutdown etc., and is not limited to above cited several incidents in the EV-DO network; AN also can notify MSC/MSCe by other mode, and is not limited to adopt Event Notification message.
As seen, method proposed by the invention makes MSC/MSCe can determine the paging mode of dual-mode terminal more exactly, thereby can reduce in order to monitor the service disconnection in the EV-DO network that causes from the paging of 1X network, improve the data service quality in the EV-DO network; And, can guarantee MSC/MSCe smoothly paging improve call successful rate to dual-mode terminal.
The above has carried out further detailed description to purpose of the present invention, technical scheme and beneficial effect; institute is understood that; the above is not in order to restriction the present invention; within the spirit and principles in the present invention all; any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1, a kind of method of calling double-mode terminal is characterized in that, this method may further comprise the steps:
A, when incident takes place in dual-mode terminal in enhancement mode-high-speed data EV-DO network, access network AN is with dual-mode terminal event notice mobile switching centre/mobile soft switch center MSC/MSCe in the EV-DO network, and MSC/MSCe determines the state of dual-mode terminal in the EV-DO network according to the incident of knowing;
B, as from the paging of 1x network the time, MSC/MSCe determines the mode of calling double-mode terminal according to the state of dual-mode terminal in the EV-DO network, and dual-mode terminal is carried out paging, wherein, described dual-mode terminal is meant the hybrid terminal of supporting 1x and EV-DO simultaneously.
2, method according to claim 1, it is characterized in that the described AN of steps A comprises dual-mode terminal event notice MSC/MSCe in the EV-DO network: AN is carried at dual-mode terminal event in the EV-DO network in the event notice Event Notification message and sends to MSC/MSCe.
3, method according to claim 1 is characterized in that, the described incident of steps A is: dual-mode terminal carries out business in the EV-DO network;
The described MSC/MSCe of steps A determines that according to the incident of knowing the state of dual-mode terminal in the EV-DO network is: the AN at MSC/MSCe record dual-mode terminal place, and the record dual-mode terminal is in business state in the EV-DO network.
4, method according to claim 1 is characterized in that, the described incident of steps A is: the service ending of dual-mode terminal in the EV-DO network;
The described MSC/MSCe of steps A determines that according to the incident of knowing the state of dual-mode terminal in the EV-DO network is: the AN at MSC/MSCe record dual-mode terminal place, and the record dual-mode terminal is in Idle state in the EV-DO network.
5, method according to claim 1 is characterized in that, the described incident of steps A is: stride AN when dual-mode terminal carries out business in the EV-DO network and switch;
The described MSC/MSCe of steps A determines that according to the incident of knowing the state of dual-mode terminal in the EV-DO network is: the AN at MSC/MSCe record dual-mode terminal place, and the record dual-mode terminal is in business state in the EV-DO network.
6, method according to claim 1 is characterized in that, the described incident of steps A is: dual-mode terminal has been done location registers in the EV-DO network;
The described MSC/MSCe of steps A determines that according to the incident of knowing the state of dual-mode terminal in the EV-DO network is: the AN at MSC/MSCe record dual-mode terminal place, and the record dual-mode terminal is in Idle state in the EV-DO network.
7, method according to claim 1 is characterized in that, the described MSC/MSCe of step B determines that according to the state of dual-mode terminal in the EV-DO network paging mode of dual-mode terminal comprises:
MSC/MSCe judges that dual-mode terminal is in business state or Idle state in the EV-DO network, if be in business state, MSC/MSCe sends the paging request to the AN at dual-mode terminal place, after AN receives the paging request, at EV-DO ICQ dual-mode terminal; If be in Idle state, MSC/MSCe judges whether the 1x positional information of dual-mode terminal is effective, if the 1x positional information is effective, MSC/MSCe is then at 1X ICQ dual-mode terminal; If the 1x positional information is invalid, the EV-DO positional information is effective, and MSC/MSCe then sends the paging request to the AN at dual-mode terminal place, after AN receives the paging request, at EV-DO ICQ dual-mode terminal.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB200610083166XA CN100442938C (en) | 2006-06-07 | 2006-06-07 | Method for calling double-mode terminal |
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| CNB200610083166XA CN100442938C (en) | 2006-06-07 | 2006-06-07 | Method for calling double-mode terminal |
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| CN100442938C true CN100442938C (en) | 2008-12-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101159981B (en) * | 2007-10-26 | 2011-06-08 | 华为技术有限公司 | Call routing establishment method, network element equipment and network system |
| CN102137492B (en) * | 2010-12-16 | 2014-03-12 | 华为技术有限公司 | Method and device for video processing telephone service in single-card double standby system |
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| CN1505414A (en) * | 2002-12-03 | 2004-06-16 | 北京三星通信技术研究有限公司 | Voice call setup method for mobile station being called on state of activation in packet data call |
| US20040180660A1 (en) * | 2003-02-26 | 2004-09-16 | Jae-Am Choi | System and method for performing handover in mobile communication system using paging procedure |
| CN1568072A (en) * | 2003-07-04 | 2005-01-19 | 华为技术有限公司 | A method for implementing location update registration |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1505414A (en) * | 2002-12-03 | 2004-06-16 | 北京三星通信技术研究有限公司 | Voice call setup method for mobile station being called on state of activation in packet data call |
| US20040180660A1 (en) * | 2003-02-26 | 2004-09-16 | Jae-Am Choi | System and method for performing handover in mobile communication system using paging procedure |
| CN1568072A (en) * | 2003-07-04 | 2005-01-19 | 华为技术有限公司 | A method for implementing location update registration |
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