CN101674615B - Method, device and system for switching between heterogeneous networks - Google Patents
Method, device and system for switching between heterogeneous networks Download PDFInfo
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- CN101674615B CN101674615B CN200810042875.2A CN200810042875A CN101674615B CN 101674615 B CN101674615 B CN 101674615B CN 200810042875 A CN200810042875 A CN 200810042875A CN 101674615 B CN101674615 B CN 101674615B
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Abstract
The invention discloses a method, a device and a system for switching between heterogeneous networks. Network side equipment of a 3GPP2 cell of the technical scheme of the invention can send switching type information to an access terminal, and then receives the switching from the 3GPP2 cell to a non-3GPP2 cell carried out by the access terminal according to the switching type information so that the access terminal can select a most proper switching type to be switched to the non-3GPP2 cell. In particular to real-time service and time delay sensitive service, the technical scheme of the invention is convenient for the access terminal to select the switching type for optimizing the switching in time to ensure that the access terminal can finish access authentication and authorization in advance and wireless specific negotiation and configuration processes of a target access system, thereby reducing the time delay of the switching, improving the performance and ensuring the continuity of the access terminal service.
Description
Technical field
The present invention relates to communication technical field, be specifically related to changing method, device and system between a kind of heterogeneous network.
Background technology
In recent years, along with 3G (Third Generation) Moblie partner program 2 (3GPP2:3
rdgenerationPartnership Project2) development, 3G (Third Generation) Moblie partner program (3GPP:3
rdgeneration Partnership Project) between the non-3GPP2 network such as network and 3GPP2 network, the problem of the wireless access technology intercommunication between heterogeneous network also more and more receives publicity.Intercommunication between this heterogeneous network, access terminal have wireless two receive two send out ability in the situation that, mobility protocol by network layer just can meet the requirement of real time business to performance of handoffs, if do not there are wireless two two abilities of sending out of receiving but access terminal, due to goal systems access authentication and mandate, and the wireless specific negotiation of goal systems, layoutprocedure, the time delay of switching is by long, so only rely on the mobility protocol of network layer to realize the intercommunication of heterogeneous network, can not meet real time business and delay sensitive business to the requirement of performance of handoffs.
The 3GPP network of prior art can be divided into two classes by switching, and the first kind is to switch without optimizing, and Equations of The Second Kind switches for optimizing.Optimize to switch and can just fulfil access authentication and mandate while being also positioned at former network ahead of schedule accessing terminal, and the wireless specific negotiation of target access system, layoutprocedure, to reduce the time delay of switching, improve performance, otherwise, without optimize switching, just can only after exiting former network, just carry out access authentication and mandate, and the wireless specific negotiation of goal systems, layoutprocedure are to log on objective network.According to the strategy of operator, 3GPP network can pass through transmitting system message on the air interface of 3GPP community, or in measuring configuration messages, by parameter, notify to access terminal and adopt the switching of which kind of type, for example this parameter is put 1 expression and should be adopted optimization switching, set to 0 expression and should adopt non-optimized switchover, in the time of need to switching into 3GPP2 network from 3GPP network when accessing terminal, just can adopt its switching type receiving to switch.
In the research and practice process to prior art, the present inventor finds, for single-shot list, receive access terminal for, in the time of need to switching into other the non-3GPP2 network such as 3GPP network from 3GPP2 network when accessing terminal, be cannot receive that 3GPP community sends about adopting the information of which kind of switching type, and in 3GPP2 community, do not send any information that should adopt which kind of switching type about being switched to the non-3GPP2 networks such as 3GPP network yet.Because the flow process of different switching types has difference in time, if therefore access terminal and can not get in time the information of switching type, just can not trigger on suitable opportunity switching flow, thereby the continuity to access terminal traffic, particularly real time business and delay sensitive business causes larger impact.
Summary of the invention
The embodiment of the present invention provides changing method, device and the system between a kind of heterogeneous network.In the time of on the air interface that object is to make accessing terminal of single-shot list receipts reside in 3GPP2 community, can get in time switching type information, to select most suitable switching type to be switched in non-3GPP2 network, to guarantee the continuity of the business that accesses terminal, meet real time business and the requirement of delay sensitive business to performance of handoffs.
A changing method between heterogeneous network, comprising:
Send switching type information to accessing terminal;
The switching from 3GPP2 community to non-3GPP2 community that acceptance accesses terminal and carries out according to described switching type information.
A network equipment for 3GPP2 community, comprises transmitting element and processing unit;
Described transmitting element, for sending switching type information to accessing terminal;
Described processing unit, the switching that the switching type information sending according to described transmitting element for accepting to access terminal is carried out, described in switch to the switching from 3GPP2 community to non-3GPP2 community.
, comprise the network equipment of 3GPP2 community and access terminal;
The network equipment of described 3GPP2 community, for sending switching type information to accessing terminal, and the switching from 3GPP2 community to non-3GPP2 community that accesses terminal and carry out according to described switching type information;
Described accessing terminal, the switching type information sending for receiving the network equipment of 3GPP2 community, then carries out the switching from 3GPP2 community to non-3GPP2 community according to described switching type information.
Accessing terminal of the embodiment of the present invention can be obtained switching type information from the network equipment of 3GPP2 community, and then switch according to described switching type information, thereby make to access terminal, can select most suitable switching type to be switched in non-3GPP2 network, particularly for real time business and delay sensitive business, be convenient to it and select in time to optimize the switching type switching, make it can fulfil access authentication and mandate ahead of schedule, and the wireless specific negotiation of target access system, layoutprocedure, reduce the time delay of switching, improve performance, guaranteed the continuity of the business that accesses terminal.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the method flow diagram of the embodiment mono-that provides of the embodiment of the present invention;
Fig. 2 is the method flow diagram of the embodiment bis-that provides of the embodiment of the present invention;
Fig. 3 is the structural representation of the network equipment of the 3GPP2 community that provides of the embodiment of the present invention five;
Fig. 4 is the structural representation of the network equipment of the 3GPP2 community that provides of the embodiment of the present invention six;
Fig. 5 is the structural representation of the communication system that provides of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides the changing method between a kind of heterogeneous network.The embodiment of the present invention also provides corresponding device and system.Below be elaborated respectively.
Embodiment mono-,
Below the angle from accessing terminal is described technical scheme provided by the invention.
Changing method between a kind of heterogeneous network, access terminal and receive the switching type information sending in the network equipment of this 3GPP2 community, such as receiving the broadcast control message of the air interface transmission of this 3GPP2 community, in this broadcast control message, carry switching type information, and then the switching type information receiving according to this is carried out the switching from 3GPP2 community to non-3GPP2 community.Described this 3GPP2 community refers to the current 3GPP2 community of serving, and non-3GPP2 community can be 3GPP community.
Wherein, switching type information can be optimize to switch or switch without optimizing, optimize and switch and can just fulfil access authentication and mandate ahead of schedule accessing terminal while being also positioned at 3GPP2 community, and the wireless specific negotiation of target access system, layoutprocedure; Without optimizing, switch for optimizing switching, when needs enter into another network, need first from 3GPP2 community, to exit, and then triggering switching flow, carry out access authentication and mandate, and the wireless specific negotiation of target access system, layoutprocedure etc. are to log on the non-3GPP2 communities such as 3GPP community.Also just say, optimize and switch the Signalling exchange that can carry out before some switchings when carrying out business operation, ready in advance for switching subsequently, to reduce the time delay of switching, be applicable to real time business and delay sensitive business, but, this also will take certain signalling path space simultaneously, and for some non-real-time services with for the insensitive business of time delay, it is not necessary optimizing switching, therefore, without optimizing, switch the value that also has its existence; Which kind of business should adopt which kind of switching type about, or which user can adopt optimization switching type, specifically can depend on the strategy of operator.
As shown in Figure 1, the idiographic flow of this embodiment can be as follows:
101, access terminal and receive the switching type information that the network equipment of this 3GPP2 community sends;
102, access terminal and carry out switching from 3GPP2 community to non-3GPP2 community according to received switching type information.
As from the foregoing, accessing terminal of the embodiment of the present invention can be known switching type information from the network equipment of this 3GPP2 community, and then switch according to described switching type information, thereby make to access terminal, can select most suitable switching type to be switched in non-3GPP2 network, particularly for real time business and delay sensitive business, be convenient to it and select in time to optimize the switching type switching, make it can fulfil access authentication and mandate ahead of schedule, and the wireless specific negotiation of target access system, layoutprocedure, reduce the time delay of switching, improve performance, guaranteed the continuity of the business that accesses terminal.
Embodiment bis-,
Below the angle of the network equipment from 3GPP2 community is described technical scheme provided by the invention.
A changing method between heterogeneous network, the network equipment of 3GPP2 community sends switching type information to accessing terminal, and the switching from 3GPP2 community to non-3GPP2 community that accesses terminal and carry out according to described switching type information.Described switching type information can be to optimize to switch or switch without optimizing.Wherein, can send switching type information to accessing terminal by the mode of broadcast or clean culture.
As shown in Figure 2, the idiographic flow of this embodiment is as follows:
201, the network equipment of 3GPP2 community sends switching type information to accessing terminal;
202, the switching from 3GPP2 community to non-3GPP2 community that accesses terminal and carry out according to described switching type information.
As from the foregoing, in the network equipment of the 3GPP2 community of the embodiment of the present invention, can send switching type information to accessing terminal, for example, by carry switching type information in broadcast control message, and be broadcast to accessing terminal in this 3GPP2 community, thereby while making need to be switched to from 3GPP2 community non-3GPP2 community when accessing terminal, can select most suitable switching type to be switched in non-3GPP2 network, particularly for real time business and delay sensitive business, be convenient to it and select in time to optimize the switching type switching, make it can fulfil access authentication and mandate ahead of schedule, and the wireless specific negotiation of target access system, layoutprocedure, reduce the time delay of switching, improve performance, guaranteed the continuity of the business that accesses terminal.
Embodiment tri-,
In order to be illustrated more clearly in technical scheme of the present invention, the non-3GPP2 network of below take is described in further detail as 3GPP network as example.
According to the described method of above-described embodiment, wherein, network equipment in 3GPP2 community sends switching type information to before accessing terminal, can also comprise the switching type information of obtaining, specifically can obtain its adjacent 3GPP community around, be the switching type information that 3GPP adjacent cell is supported, and then the switching type information that described 3GPP community is supported send to and access terminal; By take, in broadcast control message, carry switching type information that 3GPP adjacent cell supported and elaborate as example below.
First, in the broadcast control message that can send at the air interface of existing 3GPP2 community, take adjacent 3GPP community is around granularity, add the information of this 3GPP2 community switching type that adjacent 3GPP community is supported around, for example whether support all accessing terminal to be optimized the information of switching or non-optimized switchover, as shown in Table 1, can define a switchers field, whether called after " comprises 3GPP cell information around ", the length of this switchers field can be decided to be 1 bit, when this switchers field sets to 0, represent not comprise 3GPP cell information around, when this switchers field puts 1, represent to comprise 3GPP cell information around.
Table one:
| field name | length (bit) | implication implication |
| whether comprise 3GPP cell information around | 1 | switchers field, sets to 0 or 1. |
When switchers field puts 1, in broadcast control message, there is representing the field of 3GPP community number around, for example, can be by this field called after " 3GPP community number around ", length can be decided to be 3 bits, otherwise, if when switchers field sets to 0, the length of the field of this called after " 3GPP community number around " is decided to be to 0 bit, the field of this called after " 3GPP community number around " does not occur; Can be referring to table one.
Table two:
| field name | length (bit) | implication |
| 3GPP community number around | 0or3 | when switchers field puts 1, this field occurs and length is 3 bits; When switchers field sets to 0, this field does not occur being that length is 0. |
If comprise 3GPP cell information around, when switchers field puts 1, in broadcast control message, occur representing whether 3GPP community supports to optimize the field of switching, this field comprises and represents the identifier of 3GPP community and support to optimize switching two parts, such as, can distinguish called after " identifier of 3GPP community " and " support to optimize and switch ", referring to table three.
Wherein, the length of " identifier of 3GPP community " field can be 8 or 28 bits, and this depends on the definition in 3GPP network, otherwise when the value of switchers field is 0, this field do not occur, the length of this field is 0 bit.
The length of " supporting to optimize and switch " field is 1 bit, and this field is put 1 expression and adopted optimization to switch, and sets to 0 and represents to adopt non-optimized switchover; Otherwise when switchers field sets to 0, this field do not occur, the length of this field is 0 bit.
In addition, it should be noted that, the number of the 3GPP of the surrounding community of the demonstration in the number of times that " identifier of 3GPP community " occurs with the field whether this 3GPP community of expression " is supported to optimize and switched " and the field of called after " 3GPP community number around " is consistent.
Table three:
| field name | length (bit) | implication |
| the identifier of 3GPP community | 0or8or28 (depending on the definition in 3GPP network) | when switchers field puts 1, the appearance of this field, when switchers field sets to 0, this field does not occur. |
| support to optimize and switch | 0or1 | when switchers field puts 1, the appearance of this field, and put 1 expression employing and optimize switching, set to 0 and represent employing non-optimized switchover; When switchers field sets to 0, this field does not occur. |
Certainly, can also have an own insignificant reserved field, length is a uncertain value, for mending 0, message-length is mended into whole byte.Referring to table four.
Table four:
| field name | length (bit) | implication |
| reserved field | undetermined | be used for mending 0 message-length is mended into whole byte, itself is meaningless. |
Secondly, the network equipment of 3GPP2 community sends this switching type information by the broadcast control message of this 3GPP2 community.
Finally, all accessing terminal under free time or connection status receive after this message, occur subsequently when 3GPP2 network switches 3GPP network, adopt this message the switching type of indicating switch; For example, if the switching type information that this receives represent this 3GPP2 community around adjacent 3GPP community be to support to access terminal to be optimized switching, access terminal when using real time business, just can adopt the mode of optimizing switching to enter 3GPP network from 3GPP2 network, thereby guarantee the continuity of real time business.
It should be noted that, information in table one, table two, table three and table four is except improving existing message, then be added in the broadcast control message of 3GPP2 air interface transmission, such as being carried at, Sector Parameter Message, access parameter messages or rapid configuration message are medium, a piece of news that can also be using this message as independent definition; In addition, sending in form, except said, by the broadcast control message sending, sending to accessing terminal under idle condition or connection status above, also can use the mode of clean culture.
As from the foregoing, whether the embodiment of the present invention supports all accessing terminal to be optimized the information of switching or non-optimized switchover in adjacent 3GPP community around by adding this 3GPP2 community in the broadcast control message in 3GPP2 community, then adopt suitable mode, such as broadcast or the mode of clean culture send to all accessing terminal under free time or connection status, in the time of need to switching into 3GPP network from 3GPP2 network when accessing terminal, can adopt the switching type of indicating in this message to carry out, thereby make to access terminal, can select most suitable switching type to be switched in 3GPP network, particularly for real time business and delay sensitive business, be convenient to it and select in time to optimize the switching type switching, make it can fulfil access authentication and mandate ahead of schedule, and the wireless specific negotiation of target access system, layoutprocedure, reduce the time delay of switching, improve performance, guaranteed the continuity of the business that accesses terminal.
Embodiment tetra-,
Certainly, in order to save the signaling process between 3GPP2 community and 3GPP community, according to the strategy of operator, can around all support adjacent 3GPP community first preset 3GPP2 community, and all switching types that this 3GPP2 community is supported have been opened, so long as the switching type that this 3GPP2 community is selected, around adjacent 3GPP community can be supported; Afterwards, the network equipment of this 3GPP2 community just only need to obtain the switching type information of supporting this 3GPP2 community, i.e. all adoptable switching types when switching into 3GPP community that access terminal in this 3GPP2 community, which kind of business should adopt which kind of switching type as for, can determine according to the strategy of operator; The network equipment of 3GPP2 community gets after the switching type information of supporting this 3GPP2 community, send this switching type information to accessing terminal, finally, in the time of need to switching from 3GPP2 community into 3GPP community when accessing terminal, the switching type information that can receive according to this is switched; By take, in broadcast control message, add the switching type information supported this 3GPP2 community and elaborate as example below.
First, in the broadcast control message sending at the air interface of existing 3GPP2 community, with this 3GPP2 community, be that the current 3GPP2 community of serving is granularity, add the switching type information of supporting this 3GPP2 community, add all adoptable switching types when switching into 3GPP network that access terminal in this 3GPP2 community, such as definition one switchers field, whether called after " comprises the switching type switching into 3GPP community ", field length is 1 bit, can be referring to table five, when switchers field sets to 0, represent not comprise the switching type information of switching into 3GPP community, otherwise, when switchers field puts 1, represent to include the switching type information of switching into 3GPP community.
Table five:
| field name | length (bit) | implication |
| whether comprise the switching type information of switching into 3GPP community | 1 | switchers field, sets to 0 or 1. |
When switchers field puts 1, further occur whether an expression supports to optimize the field of switching, than as shown in Table 6, whether this expression can be supported to optimize the field of switching and be ordered as being " supporting to optimize switching ", length is 1 bit, this field is put 1 and is represented to adopt optimization to switch, set to 0 and represent to adopt non-optimized switchover, certainly, when switchers field sets to 0, this field do not occur, length is 0 bit.
Table six:
| field name | length (bit) | implication |
| support to optimize and switch | 0or1 | when switchers field puts 1, the appearance of this field, and put 1 expression employing and optimize switching, set to 0 and represent employing non-optimized switchover; When switchers field sets to 0, this field does not occur. |
Certainly, can also have an own insignificant reserved field, length is a uncertain value, for mending 0, message-length is mended into whole byte, referring to table seven.
Table seven:
| field name | length (bit) | implication |
| reserved field | undetermined | be used for mending 0 message-length is mended into whole byte, itself is meaningless. |
Secondly, the network equipment of 3GPP2 community sends this switching type information by the broadcast control message of this 3GPP2 community.
Finally, all accessing terminal under free time or connection status receive after this message, occur subsequently when 3GPP2 network switches 3GPP network, adopt this message the switching type of indicating switch; For example, if the switching type information that this receives represents all the accessing terminal in this 3GPP2 community and can adopt optimization to switch when switching into 3GPP network, access terminal when using real time business, just can adopt the mode of optimizing switching to enter 3GPP network from 3GPP2 network, thereby guarantee the continuity of real time business.
It should be noted that, information in table five, table six and table seven is except improving existing message, then be added in the broadcast control message that the air interface of 3GPP2 community sends, such as being carried at, Sector Parameter Message, access parameter messages or rapid configuration message are medium, a piece of news that can also be using this message as independent definition; In addition, sending in form, except said, by the broadcast control message sending, sending to accessing terminal under idle condition or connection status above, also can use the mode of clean culture.
As from the foregoing, the embodiment of the present invention is by adding all adoptable switching types when switching into 3GPP network that access terminal in this 3GPP2 community in the broadcast control message in 3GPP2 community, then adopt suitable mode, such as broadcast or the mode of clean culture send to all accessing terminal under free time or connection status, in the time of need to switching into 3GPP network from 3GPP2 network when accessing terminal, can adopt the switching type of indicating in this message to carry out, thereby make to access terminal, can select most suitable switching type to switch in 3GPP network, particularly for real time business and delay sensitive business, be convenient to it and select in time to optimize the switching type switching, make it can fulfil access authentication and mandate ahead of schedule, and the wireless specific negotiation of target access system, layoutprocedure, reduce the time delay of switching, improve performance, guaranteed the continuity of the business that accesses terminal.And, the network equipment of 3GPP2 of the present invention community does not need to obtain its switching type information that adjacent 3GPP community is supported around, and only need obtain the switching type information of supporting this 3GPP2 community, therefore can save the signaling process between 3GPP2 community and 3GPP community, but, while adopting this scheme, need to guarantee the switching type that this 3GPP2 community is selected, around adjacent 3GPP community can be supported, so, which kind of mode the network equipment of 3GPP2 community specifically adopts obtain switching type information, can select according to the strategy of concrete application scenarios or operator.
Embodiment five,
In order to implement better above method, the present invention also correspondingly provides a kind of 3GPP2 network equipment of community, as shown in Figure 3, comprises transmitting element 301 and processing unit 302;
Described transmitting element 301, for sending switching type information to accessing terminal;
Described processing unit 302, the switching that the switching type information sending according to transmitting element 301 for accepting to access terminal is carried out, described in switch to the switching from 3GPP2 community to non-3GPP2 community.
The network equipment of this 3GPP2 community can also comprise the first acquiring unit 303, for obtaining this 3GPP2 community switching type information that adjacent non-3GPP2 community is supported around.
Wherein, the first acquiring unit 303 can obtain its switching type information that adjacent non-3GPP2 community is supported around, then the excessively suitable mode of switching type information exchange that the non-3GPP2 community that transmitting element 301 gets described the first acquiring unit 303 is again supported, such as sending to, broadcast or the mode of clean culture access terminal, all accessing terminal under free time or connection status receive after this message, occur subsequently when 3GPP2 network switches non-3GPP2 network, can adopt this message the switching type of indicating switch, finally, the switching from 3GPP2 community to non-3GPP2 community that processing unit 302 accesses terminal and carries out.
It should be noted that, this switching type information is except improving existing message, then be added in the broadcast control message that the air interface of 3GPP2 community sends, such as being carried at, Sector Parameter Message, access parameter messages or rapid configuration message are medium, a piece of news that can also be using this message as independent definition.Specifically can be referring to embodiment tri-.
As from the foregoing, adopt this scheme can select most suitable switching type to be switched in 3GPP network so that access terminal, particularly for real time business, be convenient to it and select in time to optimize the switching type switching, make it can fulfil access authentication and mandate ahead of schedule, and the wireless specific negotiation of target access system, layoutprocedure, the time delay of switching reduced, improve performance, guaranteed the continuity of the business that accesses terminal.
Embodiment six,
Certainly, in order to save the signaling process between 3GPP2 community and 3GPP community, as shown in Figure 4, the network equipment of this 3GPP2 community can also comprise second acquisition unit 304;
Described second acquisition unit 304, for obtaining the switching type information of supporting this 3GPP2 community.
According to the strategy of operator, can around all support adjacent 3GPP community first preset 3GPP2 community, and opened all switching types that this 3GPP2 community is supported, so long as the switching type that this 3GPP2 community is selected, around adjacent non-3GPP2 community can be supported; Afterwards, second acquisition unit 304 obtains the switching type information that this 3GPP2 community (being the current 3GPP2 community of serving) is supported, i.e. all adoptable switching types when switching into non-3GPP2 community that access terminal in this 3GPP2 community, which kind of business should adopt which kind of switching type as for, can determine according to the strategy of operator; Then the excessively suitable mode of switching type information exchange that this 3GPP2 community that transmitting element 301 gets second acquisition unit 304 is supported, such as sending to, broadcast or the mode of clean culture access terminal, all accessing terminal under free time or connection status receive after this message, occur subsequently when 3GPP2 network switches non-3GPP2 network, can adopt this message the switching type of indicating switch, finally, the switching from 3GPP2 community to non-3GPP2 community that processing unit 302 accesses terminal and carries out.
It should be noted that, this switching type information is except improving existing message, then be added in the broadcast control message that the air interface of 3GPP2 community sends, such as being carried at, Sector Parameter Message, access parameter messages or rapid configuration message are medium, a piece of news that also can be using this message as independent definition.Specifically can be referring to embodiment tetra-.
As from the foregoing, adopt this scheme equally also can make to access terminal and can select most suitable switching type to be switched in non-3GPP2 network, can guarantee equally the continuity of the business of accessing terminal.And, with respect to the described scheme of embodiment five, the network equipment of the 3GPP2 community of the embodiment of the present invention does not need to obtain its switching type information that adjacent non-3GPP2 community is supported around, and only need obtain the switching type information of supporting this 3GPP2 community, therefore can save the signaling process between 3GPP2 community and non-3GPP2 community, but, while adopting this scheme, need to guarantee the switching type that this 3GPP2 community is selected, around adjacent non-3GPP2 community can be supported, so, which kind of mode the network equipment of 3GPP2 community specifically adopts obtain switching type information, can select according to the strategy of concrete application scenarios or operator.
Embodiment six,
In order to implement better above method, the present invention also correspondingly provides a kind of communication system, as shown in Figure 5, comprises the network equipment 501 of 3GPP2 community and accesses terminal 502;
The network equipment 501 of 3GPP2 community, for sending switching type information to accessing terminal 502, and 502 switchings from 3GPP2 community to non-3GPP2 community of carrying out according to described switching type information that access terminal;
Wherein, the network equipment 501 of 3GPP2 community, comprises transmitting element 301 and processing unit 302, can also comprise the first acquiring unit 303 or second acquisition unit 304.
Wherein, the network equipment 501 of 3GPP2 community can obtain by the first acquiring unit 303 the network equipment switching type information that adjacent non-3GPP2 community is supported of 3GPP2 community around, then transmitting element 301 can adopt suitable mode, such as broadcast or the mode of clean culture send to this switching type information to access terminal 502, all accessing terminal under free time or connection status 502 receive after this message, occur subsequently when 3GPP2 network switches non-3GPP2 network, can adopt this message the switching type of indicating switch, finally, processing unit 302 501 switchings from 3GPP2 community to non-3GPP2 community of carrying out that access terminal.Wherein, this switching type information is except improving existing message, then be added in the broadcast control message of 3GPP2 air interface transmission, such as being carried at, Sector Parameter Message, access parameter messages or rapid configuration message are medium, a piece of news that can also be using this message as independent definition.Specifically can be referring to embodiment tri-.
Certainly, the network equipment 501 of 3GPP2 community can also obtain the current 3GPP2 community of serving by second acquisition unit, be the switching type information that this 3GPP2 community is supported, then transmitting element 302 adopts suitable mode, such as adopting the mode of broadcast or clean culture that this switching type information is sent to and accesses terminal 502, when accessing terminal 502 need to switch into non-3GPP2 network from 3GPP2 network time, the switching type information that can receive according to it is switched.In like manner, this switching type information is except improving existing message, then be added in the broadcast control message of 3GPP2 air interface transmission, such as being carried at, Sector Parameter Message, access parameter messages or rapid configuration message are medium, a piece of news that can also be using this message as independent definition.Specifically can be referring to embodiment tetra-.
In a word, accessing terminal of the embodiment of the present invention can be passed through suitable channel, such as obtaining by receiving broadcast control message or the unicast messages of 3GPP2 community the switching type information of switching into non-3GPP2 network, such as optimizing, switch or switch without optimizing, and then the switching type information getting according to this is carried out the switching from 3GPP2 network to non-3GPP2 network, thereby make to access terminal, can select most suitable switching type, on suitable opportunity, trigger switching flow to be switched in non-3GPP2 network, particularly for real time business, be convenient to it and select in time to optimize the switching type switching, make it fulfil access authentication and mandate ahead of schedule, and the wireless specific negotiation of target access system, layoutprocedure, to reduce the time delay of switching, improve performance.Guaranteed the continuity of the business that accesses terminal.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of above-described embodiment is to come the hardware that instruction is relevant to complete by program, this program can be stored in a computer-readable recording medium, and storage medium can comprise: ROM, RAM, disk or CD etc.
Changing method, Apparatus and system between a kind of the heterogeneous network above embodiment of the present invention being provided are described in detail, applied specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (6)
1. the changing method between heterogeneous network, is characterized in that, comprising:
Broadcast control message by 3G (Third Generation) Moblie partner program 3GPP2 community sends switching type information to accessing terminal; Described broadcast control message comprise indicate whether to comprise 3GPP cell information around field, indication around the field of 3GPP community number, whether the field of the identifier of indication 3GPP community and indication 3GPP community support to optimize the field of switching; Described switching type information comprises optimizing to be switched or switches without optimizing;
The switching that acceptance accesses terminal and carries out according to described switching type information, described in switch to the switching from 3GPP2 community to non-3GPP2 community;
Described transmission switching type information also comprises to before accessing terminal: obtain this 3GPP2 community switching type information that adjacent non-3GPP2 community is supported around.
2. the changing method between heterogeneous network according to claim 1, is characterized in that, described transmission switching type information also comprises to before accessing terminal:
Obtain the switching type information of supporting this 3GPP2 community;
Send the switching type information supported described 3GPP2 community to accessing terminal.
3. a network equipment for 3GPP2 community, is characterized in that, comprises transmitting element, processing unit and the first acquiring unit;
Described transmitting element, sends switching type information to accessing terminal for the broadcast control message by 3G (Third Generation) Moblie partner program 3GPP2 community; Described broadcast control message comprise indicate whether to comprise 3GPP cell information around field, indication around the field of 3GPP community number, whether the field of the identifier of indication 3GPP community and indication 3GPP community support to optimize the field of switching; Described switching type information comprises optimizing to be switched or switches without optimizing;
Described processing unit, the switching that the switching type information sending according to described transmitting element for accepting to access terminal is carried out, described in switch to the switching from 3GPP2 community to non-3GPP2 community;
Described the first acquiring unit, for obtaining this 3GPP2 community switching type information that adjacent non-3GPP2 community is supported around.
4. the network equipment of a kind of 3GPP2 according to claim 3 community, is characterized in that, also comprises second acquisition unit;
Described second acquisition unit, for obtaining the switching type information of supporting this 3GPP2 community.
5. a communication system, is characterized in that, comprises the network equipment of 3GPP2 community and accesses terminal;
The network equipment of described 3GPP2 community, sends switching type information to accessing terminal for the broadcast control message by 3G (Third Generation) Moblie partner program 3GPP2 community; Described broadcast control message comprise indicate whether to comprise 3GPP cell information around field, indication around the field of 3GPP community number, whether the field of the identifier of indication 3GPP community and indication 3GPP community support to optimize the field of switching; Described switching type information comprises optimizing to be switched or switches without optimizing; And the switching from 3GPP2 community to non-3GPP2 community that accesses terminal and carry out according to described switching type information;
Described accessing terminal, the switching type information sending for receiving the network equipment of 3GPP2 community, then carries out the switching from 3GPP2 community to non-3GPP2 community according to described switching type information;
The network equipment of described 3GPP2 community, also for obtaining this 3GPP2 community switching type information that adjacent non-3GPP2 community is supported around.
6. communication system according to claim 5, is characterized in that,
The network equipment of described 3GPP2 community, also for obtaining the switching type information of supporting this 3GPP2 community, send the switching type information supported described 3GPP2 community to accessing terminal.
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| US10187841B1 (en) * | 2017-09-29 | 2019-01-22 | Wipro Limited | Method and system for switching data-paths in heterogeneous wireless communication networks |
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