CN105792189A - Processing method of security information in handover flow, access gateway and base station - Google Patents
Processing method of security information in handover flow, access gateway and base station Download PDFInfo
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- CN105792189A CN105792189A CN201410837576.3A CN201410837576A CN105792189A CN 105792189 A CN105792189 A CN 105792189A CN 201410837576 A CN201410837576 A CN 201410837576A CN 105792189 A CN105792189 A CN 105792189A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
- H04W36/0038—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information of security context information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
- H04W12/041—Key generation or derivation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/40—Security arrangements using identity modules
- H04W12/42—Security arrangements using identity modules using virtual identity modules
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a processing method of security information in a handover flow, an access gateway and a base station, wherein the method comprises the following steps: receiving a first request message, and judging whether the current handover is a cross-base station handover under the same gateway or not according to a result of analysis of the first request message; when the current handover is judged as the cross-base station handover under the same gateway, sending a first response message, wherein, in the first response message, user equipment UE security text information is not issued, or a cell is set to make a target base station on an opposite end ignore the UE security test information, or the reset UE security text information is issued.
Description
Technical field
The present invention relates to handoff technique, particularly relate to and a kind of access the processing method of safety information in gateway incision change of current journey, access gateway and base station.
Background technology
Present inventor, in the process realizing the embodiment of the present application technical scheme, at least finds there is following technical problem in correlation technique:
Along with the continuous evolution of wireless communication technology and standard, mobile Packet Service obtains huge development, and the data throughput capabilities of unit/terminal is constantly promoting.With Long Term Evolution (LTE, LongTermEvolution) system is example, the data that can support descending maximum rate 100Mbps in 20M bandwidth are transmitted, senior Long Term Evolution (the LTE of follow-up enhancing, LTEAdvanced) in network, the transfer rate of data will promote further, it might even be possible to reaches 1Gbps.
nullUser face data protocol stack design according to existing LTE: evolution base station (eNB，EvolvedNodeB) from core net through user level GPRS Tunnel Protocol (GTP-U，GPRSTunnellingProtocolfortheUserPlane) downlink data received，By PDCP (PDCP after unpacking，PacketDataConvergenceProtocol) sublayer、Wireless spread-spectrum technology (RLC，RadioLinkControl) protocol sublayers、Medium education (MAC，MediumAccessControl) protocol sublayers and physical layer (PHY) process and are sent to subscriber equipment (UE，UserEquipment)；The processing procedure of upstream data is identical with downlink data process, and simply sending direction is contrary.
In order to meet the increased requirement of data business volume, and business geographically uneven feature, operator is disposing New Generation of Communication network, in the process of such as LTE, also increasing low power nodes (LPN, LowPowerNode) or claiming small-cell (SmallCell) or micro-base station (PicoeNB) to carry out focus enhancing.Along with the increase of LPN community, network design environment becomes more complicated, also brings some problems simultaneously.First, owing to LPN number of cells is relatively more, therefore when UE or title terminal are moved in network, handover between cells (Handover) frequently can be caused, thus causing the problem such as data service terminal frequently or even call drop, the decline of this data throughout also resulting in user and Consumer's Experience.This switching frequently simultaneously also results in terminal and network, and especially core net can receive the impact of substantial amounts of signaling, even paralyses consequently, it is possible to cause that system resource is congested.It addition, LPN base station all keeps connecting (i.e. S1 interface) with core net, core net needs interface quantity to be processed to get more and more.In some scenarios, such as paging (Paging) or under other broadcasting service scenes, core net needs to do data on all relevant interfaces and sends, and this brings great challenge also to the disposal ability of core net.Along with operator and the increase of LPN number of cells disposed of individual in future, above-mentioned situation can be more and more serious.It is thus desirable to a solution, can alleviate or solve the problems referred to above.One of which accesses anchor architectures scheme, it is possible to effectively solve the problems referred to above.As in figure 2 it is shown, at chain of command, mobility anchor point (MA, Mobilityanchor) as the interface proxy of base station eNB Yu the Mobility Management Entity (MME) of core net, core net shielding is had the existence of eNB under its command, it may be assumed that from the angle of base station, access gateway and be equal to MME；From MME angle, access gateway and be equal to ordinary base station.In user face, MA is as the gateway of Access Network, and the data transmission between carrying gateway (S-GW) and base station, from the angle of base station, MA is equal to S-GW；From S-GW angle, MA is equal to ordinary base station.
After introducing and accessing anchor point (or we be called access gateway), UE under same access gateway carry out X2 switching in, path handover request flow process can terminate in access gateway, in order to reduce the hand off signaling impact to core net.But, in existing switching flow, and when X2 switching or inside of base station switching, current key KeNB and NCC information can be sent to target side by source, and target side calculates current switching according to above-mentioned safety information and uses key.In S1 switching flow, then core net is carried the safe text message of UE in S1 handover request message { to target BS, target BS is calculated current switching according to above-mentioned safety information and uses key for NCC, NH}.In X2 switching flow, { NCC, NH}, the key for X2 switching next time or inside of base station switching generates to carry the safe text message of UE in the handover request ack message of path.Terminating under the X2 scene switching footpath, Road handover request flow process when accessing gateway, how processing safety information is the problem needing to solve.
Summary of the invention
In view of this, the embodiment of the present invention, desirable to provide the processing method of safety information, access gateway and base station in a kind of switching flow, at least achieves and accesses the scheme processing safety information under the handover request flow process scene of gateway termination X2 switching footpath, Road.
The technical scheme of the embodiment of the present invention is achieved in that
The processing method of safety information in a kind of switching flow of the embodiment of the present invention, described method includes:
Receive the first request message, judge that whether current switching is the switching under same gateway across base station according to resolving the described first request result that obtains of message；
Judge currently to switch under same gateway when the switching of base station, send the first response message；
Described first response message does not issue the safe text message of user equipment (UE) or to arrange cell be make the target BS of opposite end ignore the safe text message of described UE or issue the safe text message of the UE reset.
In such scheme, described first request message is path handover request message；
Described first response message is path handover request ack message, does not issue the safe text message of described UE in the handover request ack message of described path.
In such scheme, described first request message is path handover request message；
Described first response message is path handover request ack message, and arranging the safe text message of described UE in the handover request ack message of described path is designated value, and described designated value is for making the target BS of opposite end ignore the safe text message of described UE.
In such scheme, described first request message is path handover request message；
Described first response message is path handover request ack message, newly-increased indication information element in the handover request ack message of path, and arbitrarily writes the safe text message of described UE, and described indication information element is for making the target BS of opposite end ignore the safe text message of described UE.
In such scheme, described first request message is bearing modification instruction message；
Described first response message is that bearing modification confirms message, and message does not comprise the self attributes of the safe text message of described UE to utilize described bearing modification to confirm, confirms not issue the safe text message of described UE in message at described bearing modification；
Described bearing modification confirms that message is the message in existing switching or newly-increased message.
In such scheme, described first request message is path handover request message；
Described first response message is path handover request ack message, the safe text message of UE that resets described in encapsulation in the handover request ack message of described path, described in the safe text message of UE that resets generate for the key of switching next time or inside of base station switching.
The processing method of safety information in a kind of switching flow of the embodiment of the present invention, described method includes:
Send the first request message；
Receive the first response message, resolve described first response message, obtain described first response message does not comprise cell that the safe text message of user equipment (UE) or resolve the arranges safe text message of UE to ignore the safe text message of described UE or parsing resets；
Judge currently to switch under same gateway across the switching of base station the process performing corresponding described analysis result.
In such scheme, described first request message is path handover request message；
Described first response message is path handover request ack message, resolve described path handover request ack message, obtain not issuing the safe text message of described UE in the handover request ack message of described path, then judge currently to switch under same gateway across the switching of base station described in and perform the process of corresponding described analysis result and be:
Judge currently to switch to the switching across base station under same gateway, terminate current process.
In such scheme, described first request message is path handover request message；
Described first response message is path handover request ack message, resolve described path handover request ack message, obtaining the safe text message of UE described in the handover request ack message of described path is designated value, then judge currently to switch under same gateway across the switching of base station described in and perform the process of corresponding described analysis result and be:
Judge currently to switch to the switching across base station under same gateway, ignore the safe text message of described UE according to described designated value, terminate current process.
In such scheme, described first request message is path handover request message；
Described first response message is path handover request ack message, resolve described path handover request ack message, obtain existing newly-increased indication information element in the handover request ack message of described path, then judge currently to switch under same gateway across the switching of base station described in and perform the process of corresponding described analysis result and be:
Judge currently to switch to the switching across base station under same gateway, ignore the safe text message of described UE according to described newly-increased indication information element, terminate current process.
In such scheme, described first request message is bearing modification instruction message；
Described first response message is that bearing modification confirms message, resolve described bearing modification and confirm message, obtain confirming message does not issue the safe text message of described UE at described bearing modification, then judge currently to switch under same gateway across the switching of base station described in and perform the process of corresponding described analysis result and be:
Judge currently to switch to the switching across base station under same gateway, terminate current process.
In such scheme, described first request message is path handover request message；
Described first response message is path handover request ack message, resolve described path handover request ack message, obtain described path handover request ack message comprises the key for switching next time or inside of base station switching generate adopt described in the safe text message of UE that resets, then judge currently to switch under same gateway across the switching of base station described in and perform the process of corresponding described analysis result and be:
Judging currently to switch to the switching across base station under same gateway, the key that the described safe text message of the UE reset is used for switching next time or inside of base station switching generates, and terminates current process.
The one of the embodiment of the present invention accesses gateway, and described access gateway includes:
First receives unit, is used for receiving the first request message, judges that whether current switching is the switching under same gateway across base station according to resolving the described first request result that obtains of message；
Judge and transmitting element, for judging currently to switch under same gateway when the switching of base station, send the first response message, described first response message does not issue the safe text message of user equipment (UE) or to arrange cell be make the target BS of opposite end ignore the safe text message of described UE or issue the safe text message of the UE reset.
In such scheme, described first request message is path handover request message；
Described judgement and transmitting element, being further used for described first response message is path handover request ack message, does not issue the safe text message of described UE in the handover request ack message of described path.
In such scheme, described first request message is path handover request message；
Described judgement and transmitting element, being further used for described first response message is path handover request ack message, arranging the safe text message of described UE in the handover request ack message of described path is send described path handover request ack message after designated value, and described designated value is for making the target BS of opposite end ignore the safe text message of described UE.
In such scheme, described first request message is path handover request message；
Described judgement and transmitting element, being further used for described first response message is path handover request ack message, newly-increased indication information element in the handover request ack message of path, and after arbitrarily writing the safe text message of described UE, sending described path handover request ack message, described indication information element is for making the target BS of opposite end ignore the safe text message of described UE.
In such scheme, described first request message is bearing modification instruction message；
Described judgement and transmitting element, being further used for described first response message is that bearing modification confirms message, message does not comprise the self attributes of the safe text message of described UE to utilize described bearing modification to confirm, confirms not issue the safe text message of described UE in message at described bearing modification；
Described bearing modification confirms that message is the message in existing switching or newly-increased message.
In such scheme, described first request message is path handover request message；
Described judgement and transmitting element, being further used for described first response message is path handover request ack message, described path handover request ack message sends described path handover request ack message after the safe text message of UE that resets described in encapsulation, described in the safe text message of UE that resets generate for the key of switching next time or inside of base station switching.
A kind of base station of the embodiment of the present invention, described base station is target BS, including:
First transmitting element, is used for sending the first request message；
Processing unit, for receiving the first response message, resolve described first response message, obtain described first response message not comprising the safe text message of user equipment (UE) or resolving the safe text message of UE that the cell arranged resets with the analysis result or parsing ignoring the safe text message of described UE, it is judged that currently switch under same gateway across the switching of base station the process performing corresponding described analysis result.
In such scheme, described first request message is path handover request message；
Processing unit, being further used for described first response message is path handover request ack message, resolve described path handover request ack message, obtain not issuing the safe text message of described UE in the handover request ack message of described path, judge currently to switch to the switching across base station under same gateway, terminate current process.
In such scheme, described first request message is path handover request message；
Processing unit, being further used for described first response message is path handover request ack message, resolve described path handover request ack message, obtaining the safe text message of UE described in the handover request ack message of described path is designated value, judge currently to switch to the switching across base station under same gateway, ignore the safe text message of described UE according to described designated value, terminate current process.
In such scheme, described first request message is path handover request message；
Processing unit, being further used for described first response message is path handover request ack message, resolve described path handover request ack message, obtain in the handover request ack message of described path, there is newly-increased indication information element, judge currently to switch to the switching across base station under same gateway, ignore the safe text message of described UE according to described newly-increased indication information element, terminate current process.
In such scheme, described first request message is bearing modification instruction message；
Processing unit, being further used for described first response message is that bearing modification confirms message, resolve described bearing modification and confirm message, obtain confirming message does not issue the safe text message of described UE at described bearing modification, judge currently to switch to the switching across base station under same gateway, terminate current process.
In such scheme, described first request message is path handover request message；
Described first response message is path handover request ack message, resolve described path handover request ack message, obtain described path handover request ack message comprises the key for switching next time or inside of base station switching generate adopt described in the safe text message of UE that resets, judge currently to switch to the switching across base station under same gateway, the key that the described safe text message of the UE reset is used for switching next time or inside of base station switching generates, and terminates current process.
The processing method of safety information in gateway incision change of current journey that accesses of the embodiment of the present invention includes: receive the first request message, judges that whether current switching is the switching under same gateway across base station according to resolving the result that described first request message obtains；Judge currently to switch under same gateway when the switching of base station, send the first response message；Described first response message does not issue the safe text message of user equipment (UE) or to arrange cell be make the target BS of opposite end ignore the safe text message of described UE or issue the safe text message of the UE reset.
Owing to the first response message not issuing the safe text message of user equipment (UE) or to arrange cell be make the target BS of opposite end ignore the safe text message of described UE, hence in so that path handover request flow process can terminate in access gateway, in order to reduce the hand off signaling impact to core net, it is simultaneously achieved the process of the safety information accessed under the handover request flow process scene of gateway termination X2 switching footpath, Road.
Accompanying drawing explanation
Fig. 1 is gateway access system configuration diagram in prior art；
Fig. 2 be the inventive method embodiment realize schematic flow sheet；
Fig. 3 is the safety information handling process schematic diagram of the application scenarios one of the application embodiment of the present invention；
Fig. 4 is the safety information handling process schematic diagram of the application scenarios two of the application embodiment of the present invention；
Fig. 5 is the safety information handling process schematic diagram of the application scenarios three of the application embodiment of the present invention；
Fig. 6 is the safety information handling process schematic diagram of the application scenarios four of the application embodiment of the present invention；
Fig. 7 is the safety information handling process schematic diagram of the application scenarios five of the application embodiment of the present invention；
Fig. 8 is the composition structural representation that the present invention accesses gateway embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, the enforcement of technical scheme is described in further detail.
The embodiment of the present invention a kind of accesses the processing method of safety information in gateway incision change of current journey and is specifically related to access in mobile communication system gateway architecture and function realizing method, is introduce under anchor point the processing scheme of safety information in switching flow at Access Network in a kind of long evolving system.
The processing method of safety information in the access gateway incision change of current journey of the embodiment of the present invention, as in figure 2 it is shown, described method includes:
Step 101, reception the first request message.
Step 102, judge currently to switch under same gateway when the switching of base station, send the first response message.
Here, judge that whether current switching is the switching under same gateway across base station according to resolving the described first request result that obtains of message；
Step 103, described first response message do not issue the safe text message of user equipment (UE) or to arrange cell be make the target BS of opposite end ignore the safe text message of described UE or issue the safe text message of the UE reset.
In the embodiment of the present invention one embodiment, described first request message is path handover request message；Accordingly, described first response message is path handover request ack message, does not issue the safe text message of described UE in the handover request ack message of described path.
In the embodiment of the present invention one embodiment, described first request message is path handover request message；Accordingly, described first response message is path handover request ack message, and arranging the safe text message of described UE in the handover request ack message of described path is designated value, and described designated value is for making the target BS of opposite end ignore the safe text message of described UE.
In the embodiment of the present invention one embodiment, described first request message is path handover request message；Accordingly, described first response message is path handover request ack message, newly-increased indication information element in the handover request ack message of path, and arbitrarily write the safe text message of described UE, described indication information element is for making the target BS of opposite end ignore the safe text message of described UE.
In the embodiment of the present invention one embodiment, described first request message is bearing modification instruction message；Accordingly, described first response message is that bearing modification confirms message, and message does not comprise the self attributes of the safe text message of described UE to utilize described bearing modification to confirm, confirms not issue the safe text message of described UE in message at described bearing modification；Described bearing modification confirms that message is the message in existing switching or newly-increased message.
In the embodiment of the present invention one embodiment, described first request message is path handover request message；Accordingly, described first response message is path handover request ack message, the safe text message of UE that resets described in encapsulation in the handover request ack message of described path, described in the safe text message of described UE that resets generate for the key of switching next time or inside of base station switching.
The processing method of safety information in the access gateway incision change of current journey of the embodiment of the present invention, described method includes:
Step 201, transmission the first request message.
Step 202, receive the first response message, resolve described first response message, obtain described first response message does not comprise cell that the safe text message of user equipment (UE) or resolve the arranges safe text message of UE to ignore the safe text message of described UE or parsing resets.
Step 203, judge currently to switch under same gateway across the switching of base station the process performing corresponding described analysis result.
In the embodiment of the present invention one embodiment, described first request message is path handover request message；Accordingly, described first response message is path handover request ack message, resolve described path handover request ack message, obtain not issuing the safe text message of described UE in the handover request ack message of described path, judge currently to switch under same gateway across the switching of base station described in then and perform the process of corresponding described analysis result and be: judging currently to switch to the switching across base station under same gateway, terminate current process.
In the embodiment of the present invention one embodiment, described first request message is path handover request message；Accordingly, described first response message is path handover request ack message, resolve described path handover request ack message, obtaining the safe text message of UE described in the handover request ack message of described path is designated value, judge currently to switch under same gateway across the switching of base station described in then and perform the process of corresponding described analysis result and be: judging currently to switch to the switching across base station under same gateway, ignore the safe text message of described UE according to described designated value, terminate current process.
In the embodiment of the present invention one embodiment, described first request message is path handover request message；Accordingly, described first response message is path handover request ack message, resolve described path handover request ack message, obtain in the handover request ack message of described path, there is newly-increased indication information element, judge currently to switch under same gateway across the switching of base station described in then and perform the process of corresponding described analysis result and be: judging currently to switch to the switching across base station under same gateway, ignore the safe text message of described UE according to described newly-increased indication information element, terminate current process.
In the embodiment of the present invention one embodiment, described first request message is bearing modification instruction message；Accordingly, described first response message is that bearing modification confirms message, resolve described bearing modification and confirm message, obtain confirming message does not issue the safe text message of described UE at described bearing modification, judge currently to switch under same gateway across the switching of base station described in then and perform the process of corresponding described analysis result and be: judging currently to switch to the switching across base station under same gateway, terminate current process.
In the embodiment of the present invention one embodiment, described first request message is path handover request message；Accordingly, described first response message is path handover request ack message, resolve described path handover request ack message, obtain described path handover request ack message comprises the key for switching next time or inside of base station switching generate adopt described in the safe text message of UE that resets, judge currently to switch under same gateway across the switching of base station described in then and perform the process of corresponding described analysis result and be: judging currently to switch to the switching across base station under same gateway, the key that the described safe text message of the UE reset is used for switching next time or inside of base station switching generates, terminate current process.
Adopt the embodiment of the present invention mutual between access gateway and target BS, it is adaptable to UE switching across base station X2 under same gateway, have at least following five kinds of specific implementations.
Scheme one:
Target BS is given and is accessed gateway transmission path handover request message, and access gateway judgement currently switches to and switches across base station X2 under same gateway, then do not issue the safe text message of UE in the handover request ack message of path.
Scheme two:
Target BS is given and is accessed gateway transmission path handover request message, and access gateway judgement currently switches to and switches across base station X2 under same gateway, then arranging the safe text message of UE in the handover request ack message of path is particular value, such as NULL.Access, when target BS receives, the path handover request ack message that gateway issues, if solving this cell for specifying particular value, then judge currently to switch under same gateway across base station X2 switching, this cell information is ignored.
Scheme three:
Target BS is given and is accessed gateway transmission path handover request message, and access gateway judgement currently switches to and switches across base station X2 under same gateway, then newly-increased indication information element in the handover request ack message of path, and arbitrarily fills in the safe text message of UE.Access, when target BS receives, the path handover request ack message that gateway issues, according to indication information element content, the safe text message of this UE is ignored.
Scheme four:
Target BS is judged currently to switch under same gateway across base station X2 switching, then give and access gateway transmission bearing modification instruction message, message comprises MME and connects flag information to the UE S1 interface distributed, SourceMMEUES1APID, and/or access gateway to the UE S1 interface distributed connection flag information, sourceMAUES1APID.And need the service bearer information of amendment.Access gateway to issue bearing modification and confirm message, message comprises information and the/failed service bearer information of amendment of successfully modified service bearer.And comprise MME to the UE S1 interface distributed connection flag information, and/or access gateway to the UE S1 interface distributed connection flag information.Do not comprise the safe text message of UE.
Above-mentioned bearing modification indicates/confirms message can utilize existing S1AP message, it is also possible to be newly-increased message.
Scheme five:
Target BS is given and is accessed gateway transmission path handover request message, and access gateway judgement currently switches to and switches across base station X2 under same gateway, then reset the safe text message of UE in the handover request ack message of path, such as calculate new { NCC, NH}.Access, when target BS receives, the path handover request ack message that gateway issues, resolve this cell and the key for X2 switching next time or inside of base station switching generates.
Adopt above-described embodiment and implement, it is possible to making the X2 switching flow under same access gateway terminate in access gateway, it is to avoid because subscriber equipment frequently switches the impact on core net in minizone.It is simultaneously achieved the process of handoff procedure safety information, alleviates core net and process load.
Hereinafter each application scenarios adopting the embodiment of the present invention is specifically addressed.
The framework relating to accessing gateway below in each application scenarios includes: access gateway as the interface proxy between base station and core net, connects base station and core net respectively, shields the Access Network impact on core net；Chain of command interface signaling is screened, it is ensured that UE is accessing gateway as the subscriber equipment access anchor point at Access Network, as shown in Figure 1.Wherein said access gateway refers at the access anchor point of Access Network as subscriber equipment, when subscriber equipment moves in the minizone accessing gateway service, accesses gateway and remains unchanged.Switch when UE issues the raw X2 across base station at access gateway, then X2 switching flow can terminate in access gateway, and source SeNB is an example of source base station, and target SeNB is an example of target BS, and accessing anchor point MA is the example accessing gateway.
Application scenarios one:
Such as Fig. 3, the employing embodiment of the present invention, the step that implements in application scenarios one includes:
Step 301:X2 switching prepares, eat dishes without rice or wine heavily to join and forwarded with ground data after, target BS is given and is accessed gateway transmission path handover request message；
Step 302: access gateway and judge currently to switch under same gateway across base station X2 switching, then do not issue the safe text message of UE in the path handover request ack message sent to target BS.
Application scenarios two:
Such as Fig. 4, the employing embodiment of the present invention, the step that implements in application scenarios two includes:
Step 401:X2 switching prepares, eat dishes without rice or wine heavily to join and forwarded with ground data after, target BS is given and is accessed gateway transmission path handover request message；
Step 402: access gateway and judge currently to switch to across base station X2 switching under same gateway, then arranging the safe text message of UE in the path handover request ack message sent to target BS is particular value, such as NULL.
Step 403: access the path handover request ack message that gateway issues when target BS receives, if solving this cell for specifying particular value, then judges currently to switch under same gateway across base station X2 switching, this cell information is ignored.
Application scenarios three:
Such as Fig. 5, the employing embodiment of the present invention, the step that implements in application scenarios three includes:
Step 501:X2 switching prepares, eat dishes without rice or wine heavily to join and forwarded with ground data after, target BS is given and is accessed gateway transmission path handover request message；
Step 502: access gateway and judge currently to switch under same gateway across base station X2 switching, then in the handover request ack message of path, newly-increased safety information ignores indication information element, such as this cell exists the expression safe text message of UE to be needed to ignore, or this cell is set to TRUE, represent that the safe text message of UE needs to ignore；Or newly-increased switching type indication information element, such as indicates the switching currently switched under same access gateway；And arbitrarily fill in the safe text message of UE.
Step 503: access, when target BS receives, the path handover request ack message that gateway issues, according to above-mentioned newly-increased indication information element, the safe text message of this UE is ignored.
Application scenarios four:
Such as Fig. 6, the employing embodiment of the present invention, the step that implements in application scenarios four includes:
Step 601:X2 switching prepares, eat dishes without rice or wine heavily to join and forwarded with ground data after, target BS is judged currently to switch under same gateway across base station X2 switching, then give and access gateway transmission bearing modification instruction message, message comprises MME and connects flag information to the UE S1 interface distributed, SourceMMEUES1APID, and/or access gateway to the UE S1 interface distributed connection flag information, sourceMAUES1APID.And need the service bearer information of amendment；
Step 602: access gateway and issue bearing modification and confirm message, comprise information and the/failed service bearer information of amendment of successfully modified service bearer in message.And comprise MME to the UE S1 interface distributed connection flag information, and/or access gateway to the UE S1 interface distributed connection flag information.Do not comprise the safe text message of UE.
Above-mentioned bearing modification indicates/confirms message can utilize existing S1AP message, it is also possible to be newly-increased message.
Application scenarios five:
Such as Fig. 7, the employing embodiment of the present invention, the step that implements in application scenarios five includes:
Step 701:X2 switching prepares, eat dishes without rice or wine heavily to join and forwarded with ground data after, target BS is given and is accessed gateway transmission path handover request message；
Step 702: access gateway and judge currently to switch under same gateway across base station X2 switching, then reset the safe text message of UE in the handover request ack message of path, such as calculate new { NCC, NH}.Access, when target BS receives, the path handover request ack message that gateway issues, resolve this cell and the key for X2 switching next time or inside of base station switching generates.
The access gateway of the embodiment of the present invention, as shown in Figure 8, described access gateway includes:
First receives unit 11, is used for receiving the first request message, judges that whether current switching is the switching under same gateway across base station according to resolving the described first request result that obtains of message；
Judge and transmitting element 12, for judging currently to switch under same gateway when the switching of base station, send the first response message, described first response message does not issue the safe text message of user equipment (UE) or to arrange cell be make the target BS of opposite end ignore the safe text message of described UE or issue the safe text message of the UE reset.
In the embodiment of the present invention one embodiment, described first request message is path handover request message；
Described judgement and transmitting element, being further used for described first response message is path handover request ack message, does not issue the safe text message of described UE in the handover request ack message of described path.
In the embodiment of the present invention one embodiment, described first request message is path handover request message；
Described judgement and transmitting element, being further used for described first response message is path handover request ack message, arranging the safe text message of described UE in the handover request ack message of described path is send described path handover request ack message after designated value, and described designated value is for making the target BS of opposite end ignore the safe text message of described UE.
In the embodiment of the present invention one embodiment, described first request message is path handover request message；
Described judgement and transmitting element, being further used for described first response message is path handover request ack message, newly-increased indication information element in the handover request ack message of path, and after arbitrarily writing the safe text message of described UE, sending described path handover request ack message, described indication information element is for making the target BS of opposite end ignore the safe text message of described UE.
In the embodiment of the present invention one embodiment, described first request message is bearing modification instruction message；
Described judgement and transmitting element, being further used for described first response message is that bearing modification confirms message, message does not comprise the self attributes of the safe text message of described UE to utilize described bearing modification to confirm, confirms not issue the safe text message of described UE in message at described bearing modification；
Described bearing modification confirms that message is the message in existing switching or newly-increased message.
In the embodiment of the present invention one embodiment, described first request message is path handover request message；
Described judgement and transmitting element, being further used for described first response message is path handover request ack message, described path handover request ack message sends described path handover request ack message after the safe text message of UE that resets described in encapsulation, described in the safe text message of UE that resets generate for the key of switching next time or inside of base station switching.
The base station of the embodiment of the present invention, described base station is target BS, including:
First transmitting element, is used for sending the first request message；
Processing unit, for receiving the first response message, resolve described first response message, obtain described first response message does not comprise the safe text message of user equipment (UE) or or resolve the safe text message of UE that the cell arranged resets with the analysis result or parsing ignoring the safe text message of described UE, it is judged that currently switch under same gateway across the switching of base station the process performing corresponding described analysis result.
In the embodiment of the present invention one embodiment, described first request message is path handover request message；
Processing unit, being further used for described first response message is path handover request ack message, resolve described path handover request ack message, obtain not issuing the safe text message of described UE in the handover request ack message of described path, judge currently to switch to the switching across base station under same gateway, terminate current process.
In the embodiment of the present invention one embodiment, described first request message is path handover request message；
Processing unit, being further used for described first response message is path handover request ack message, resolve described path handover request ack message, obtaining the safe text message of UE described in the handover request ack message of described path is designated value, judge currently to switch to the switching across base station under same gateway, ignore the safe text message of described UE according to described designated value, terminate current process.
In the embodiment of the present invention one embodiment, described first request message is path handover request message；
Processing unit, being further used for described first response message is path handover request ack message, resolve described path handover request ack message, obtain in the handover request ack message of described path, there is newly-increased indication information element, judge currently to switch to the switching across base station under same gateway, ignore the safe text message of described UE according to described newly-increased indication information element, terminate current process.
In the embodiment of the present invention one embodiment, described first request message is bearing modification instruction message；
Processing unit, being further used for described first response message is that bearing modification confirms message, resolve described bearing modification and confirm message, obtain confirming message does not issue the safe text message of described UE at described bearing modification, judge currently to switch to the switching across base station under same gateway, terminate current process.
In the embodiment of the present invention one embodiment, described first request message is path handover request message；
Described first response message is path handover request ack message, resolve described path handover request ack message, obtain described path handover request ack message comprises the key for switching next time or inside of base station switching generate adopt described in the safe text message of UE that resets, judge currently to switch to the switching across base station under same gateway, the key that the described safe text message of the UE reset is used for switching next time or inside of base station switching generates, and terminates current process.
Here, the English related in Figure of description is done bilingual to be explained as follows:
MobilityanchorA: mobility anchor point A；
MobilityanchorB: mobility anchor point B；
MacroeNB: enhancement mode macro base station
MME: mobile management entity；
S-GW: gateway
SeNB1: the base station 1 that mobility anchor point has under its command；
SeNB2: the base station 2 that mobility anchor point has under its command；
SeNB3: the base station 3 that mobility anchor point has under its command；
UE: subscriber equipment.
If module integrated described in the embodiment of the present invention is using the form realization of software function module and as independent production marketing or use, it is also possible to be stored in a computer read/write memory medium.Based on such understanding, the part that prior art is contributed by the technical scheme of the embodiment of the present invention substantially in other words can embody with the form of software product, this computer software product is stored in a storage medium, including some instructions with so that a computer equipment (can be personal computer, server or the network equipment etc.) performs all or part of of method described in each embodiment of the present invention.And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (ROM, Read-OnlyMemory), the various media that can store program code such as random access memory (RAM, RandomAccessMemory), magnetic disc or CD.So, the embodiment of the present invention is not restricted to the combination of any specific hardware and software.
Accordingly, the embodiment of the present invention also provides for a kind of computer-readable storage medium, and wherein storage has computer program, and this computer program accesses the processing method of safety information in gateway incision change of current journey for what perform the embodiment of the present invention.
The above, be only presently preferred embodiments of the present invention, is not intended to limit protection scope of the present invention.
Claims (24)
1. the processing method of safety information in a switching flow, it is characterised in that described method includes:
Receive the first request message, judge that whether current switching is the switching under same gateway across base station according to resolving the described first request result that obtains of message；
Judge currently to switch under same gateway when the switching of base station, send the first response message；
Described first response message does not issue the safe text message of user equipment (UE) or to arrange cell be make the target BS of opposite end ignore the safe text message of described UE or issue the safe text message of the UE reset.
2. method according to claim 1, it is characterised in that described first request message is path handover request message；
Described first response message is path handover request ack message, does not issue the safe text message of described UE in the handover request ack message of described path.
3. method according to claim 1, it is characterised in that described first request message is path handover request message；
Described first response message is path handover request ack message, and arranging the safe text message of described UE in the handover request ack message of described path is designated value, and described designated value is for making the target BS of opposite end ignore the safe text message of described UE.
4. method according to claim 1, it is characterised in that described first request message is path handover request message；
Described first response message is path handover request ack message, newly-increased indication information element in the handover request ack message of path, and arbitrarily writes the safe text message of described UE, and described indication information element is for making the target BS of opposite end ignore the safe text message of described UE.
5. method according to claim 1, it is characterised in that described first request message is bearing modification instruction message；
Described first response message is that bearing modification confirms message, and message does not comprise the self attributes of the safe text message of described UE to utilize described bearing modification to confirm, confirms not issue the safe text message of described UE in message at described bearing modification；
Described bearing modification confirms that message is the message in existing switching or newly-increased message.
6. method according to claim 1, it is characterised in that described first request message is path handover request message；
Described first response message is path handover request ack message, the safe text message of UE that resets described in encapsulation in the handover request ack message of described path, described in the safe text message of UE that resets generate for the key of switching next time or inside of base station switching.
7. the processing method of safety information in a switching flow, it is characterised in that described method includes:
Send the first request message；
Receive the first response message, resolve described first response message, obtain described first response message does not comprise cell that the safe text message of user equipment (UE) or resolve the arranges safe text message of UE to ignore the safe text message of described UE or parsing resets；
Judge currently to switch under same gateway across the switching of base station the process performing corresponding described analysis result.
8. method according to claim 7, it is characterised in that described first request message is path handover request message；
Described first response message is path handover request ack message, resolve described path handover request ack message, obtain not issuing the safe text message of described UE in the handover request ack message of described path, then judge currently to switch under same gateway across the switching of base station described in and perform the process of corresponding described analysis result and be:
Judge currently to switch to the switching across base station under same gateway, terminate current process.
9. method according to claim 7, it is characterised in that described first request message is path handover request message；
Described first response message is path handover request ack message, resolve described path handover request ack message, obtaining the safe text message of UE described in the handover request ack message of described path is designated value, then judge currently to switch under same gateway across the switching of base station described in and perform the process of corresponding described analysis result and be:
Judge currently to switch to the switching across base station under same gateway, ignore the safe text message of described UE according to described designated value, terminate current process.
10. method according to claim 7, it is characterised in that described first request message is path handover request message；
Described first response message is path handover request ack message, resolve described path handover request ack message, obtain existing newly-increased indication information element in the handover request ack message of described path, then judge currently to switch under same gateway across the switching of base station described in and perform the process of corresponding described analysis result and be:
Judge currently to switch to the switching across base station under same gateway, ignore the safe text message of described UE according to described newly-increased indication information element, terminate current process.
11. method according to claim 7, it is characterised in that described first request message is bearing modification instruction message；
Described first response message is that bearing modification confirms message, resolve described bearing modification and confirm message, obtain confirming message does not issue the safe text message of described UE at described bearing modification, then judge currently to switch under same gateway across the switching of base station described in and perform the process of corresponding described analysis result and be:
Judge currently to switch to the switching across base station under same gateway, terminate current process.
12. method according to claim 7, it is characterised in that described first request message is path handover request message；
Described first response message is path handover request ack message, resolve described path handover request ack message, obtain described path handover request ack message comprises the key for switching next time or inside of base station switching generate adopt described in the safe text message of UE that resets, then judge currently to switch under same gateway across the switching of base station described in and perform the process of corresponding described analysis result and be:
Judging currently to switch to the switching across base station under same gateway, the key that the described safe text message of the UE reset is used for switching next time or inside of base station switching generates, and terminates current process.
13. one kind is accessed gateway, it is characterised in that described access gateway includes:
First receives unit, is used for receiving the first request message, judges that whether current switching is the switching under same gateway across base station according to resolving the described first request result that obtains of message；
Judge and transmitting element, for judging currently to switch under same gateway when the switching of base station, send the first response message, described first response message does not issue the safe text message of user equipment (UE) or to arrange cell be make the target BS of opposite end ignore the safe text message of described UE or issue the safe text message of the UE reset.
14. access gateway according to claim 13, it is characterised in that described first request message is path handover request message；
Described judgement and transmitting element, being further used for described first response message is path handover request ack message, does not issue the safe text message of described UE in the handover request ack message of described path.
15. access gateway according to claim 13, it is characterised in that described first request message is path handover request message；
Described judgement and transmitting element, being further used for described first response message is path handover request ack message, arranging the safe text message of described UE in the handover request ack message of described path is send described path handover request ack message after designated value, and described designated value is for making the target BS of opposite end ignore the safe text message of described UE.
16. access gateway according to claim 13, it is characterised in that described first request message is path handover request message；
Described judgement and transmitting element, being further used for described first response message is path handover request ack message, newly-increased indication information element in the handover request ack message of path, and after arbitrarily writing the safe text message of described UE, sending described path handover request ack message, described indication information element is for making the target BS of opposite end ignore the safe text message of described UE.
17. access gateway according to claim 13, it is characterised in that described first request message is bearing modification instruction message；
Described judgement and transmitting element, being further used for described first response message is that bearing modification confirms message, message does not comprise the self attributes of the safe text message of described UE to utilize described bearing modification to confirm, confirms not issue the safe text message of described UE in message at described bearing modification；
Described bearing modification confirms that message is the message in existing switching or newly-increased message.
18. access gateway according to claim 13, it is characterised in that described first request message is path handover request message；
Described judgement and transmitting element, being further used for described first response message is path handover request ack message, described path handover request ack message sends described path handover request ack message after the safe text message of UE that resets described in encapsulation, described in the safe text message of UE that resets generate for the key of switching next time or inside of base station switching.
19. a base station, it is characterised in that described base station is target BS, including:
First transmitting element, is used for sending the first request message；
Processing unit, for receiving the first response message, resolve described first response message, obtain described first response message not comprising the safe text message of user equipment (UE) or resolving the safe text message of UE that the cell arranged resets with the analysis result or parsing ignoring the safe text message of described UE, it is judged that currently switch under same gateway across the switching of base station the process performing corresponding described analysis result.
20. base station according to claim 19, it is characterised in that described first request message is path handover request message；
Processing unit, being further used for described first response message is path handover request ack message, resolve described path handover request ack message, obtain not issuing the safe text message of described UE in the handover request ack message of described path, judge currently to switch to the switching across base station under same gateway, terminate current process.
21. base station according to claim 19, it is characterised in that described first request message is path handover request message；
Processing unit, being further used for described first response message is path handover request ack message, resolve described path handover request ack message, obtaining the safe text message of UE described in the handover request ack message of described path is designated value, judge currently to switch to the switching across base station under same gateway, ignore the safe text message of described UE according to described designated value, terminate current process.
22. base station according to claim 19, it is characterised in that described first request message is path handover request message；
Processing unit, being further used for described first response message is path handover request ack message, resolve described path handover request ack message, obtain in the handover request ack message of described path, there is newly-increased indication information element, judge currently to switch to the switching across base station under same gateway, ignore the safe text message of described UE according to described newly-increased indication information element, terminate current process.
23. base station according to claim 19, it is characterised in that described first request message is bearing modification instruction message；
Processing unit, being further used for described first response message is that bearing modification confirms message, resolve described bearing modification and confirm message, obtain confirming message does not issue the safe text message of described UE at described bearing modification, judge currently to switch to the switching across base station under same gateway, terminate current process.
24. base station according to claim 19, it is characterised in that described first request message is path handover request message；
Described first response message is path handover request ack message, resolve described path handover request ack message, obtain described path handover request ack message comprises the key for switching next time or inside of base station switching generate adopt described in the safe text message of UE that resets, judge currently to switch to the switching across base station under same gateway, the key that the described safe text message of the UE reset is used for switching next time or inside of base station switching generates, and terminates current process.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410837576.3A CN105792189A (en) | 2014-12-26 | 2014-12-26 | Processing method of security information in handover flow, access gateway and base station |
| PCT/CN2015/085363 WO2016101617A1 (en) | 2014-12-26 | 2015-07-28 | Security information processing method in switching procedure, access gateway, and base station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410837576.3A CN105792189A (en) | 2014-12-26 | 2014-12-26 | Processing method of security information in handover flow, access gateway and base station |
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| CN105792189A true CN105792189A (en) | 2016-07-20 |
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| CN110383885A (en) * | 2017-01-11 | 2019-10-25 | 瑞典爱立信有限公司 | 5G QoS flow remaps to radio bearer |
| WO2020142884A1 (en) * | 2019-01-07 | 2020-07-16 | 华为技术有限公司 | Method and device for switching between transmission paths |
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| WO2016101617A1 (en) | 2016-06-30 |
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