CN104955115A - Business providing method, source base station, and target base station - Google Patents
Business providing method, source base station, and target base station Download PDFInfo
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- CN104955115A CN104955115A CN201410124109.6A CN201410124109A CN104955115A CN 104955115 A CN104955115 A CN 104955115A CN 201410124109 A CN201410124109 A CN 201410124109A CN 104955115 A CN104955115 A CN 104955115A
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- 238000000034 method Methods 0.000 title claims abstract description 57
- 230000005540 biological transmission Effects 0.000 claims description 54
- 230000006870 function Effects 0.000 claims description 16
- 238000010586 diagram Methods 0.000 description 8
- 238000007726 management method Methods 0.000 description 8
- 230000011664 signaling Effects 0.000 description 8
- 230000003993 interaction Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 1
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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
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0072—Transmission or use of information for re-establishing the radio link of resource information of target access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
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Abstract
The invention provides a business providing method, a source base station, and a target base station. The method comprises the steps that the target base station receives a switching request sent by the source base station, wherein the switching request contains the information, which is provided by the source base station for user equipment, of business resources; the target base station obtains the corresponding business resource according to the information of the business resources; the target base station transmits the obtained corresponding business resources to the user equipment; and the target base station sends switching response to the source base station. According to the embodiment of the invention, when the user equipment is enabled to be switched from the source base station to the target base station, the target base station provides the business sources to a user continuously, and guarantees the normal operation of business.
Description
Technical field
The present invention relates to the communication technology, particularly relate to method, source base station and target BS that a kind of business provides.
Background technology
Wireless network is initially voice communication design, in fact subscriber equipment (User Equipment, be called for short UE) to packet data gateway (Packet work Gateway, be called for short P-GW)/gateway GPRS supporting node (GGSN) (Gateway GPRS Support Node, be called for short GGSN) between closed channel, there is data service function.
In prior art, user can receive business datum by the content caching server be connected with base station.Fig. 1 is that existing user obtains the enforcement scene schematic diagram of service resources by base station.As shown in Figure 1, when subscriber equipment obtains business, service request is sent to base station, there is required business tine base station according to nothing in local cache again, select extract service resources from base station local cache and send to subscriber equipment, or by the network side server after being positioned at P-GW/GGSN by service resources content delivery to base station, then send to subscriber equipment.And after moving as user and causing subscriber equipment to be switched to target BS from source base station, source base station cannot continue to provide business to subscriber equipment, subscriber equipment needs again to send service request to target BS, after target BS receives service request, service resources is obtained from local cache or network side server, send to subscriber equipment again, the business of user may be caused so normally to carry out.
Summary of the invention
The invention provides method, source base station and target BS that a kind of business provides, can be implemented in subscriber equipment when being switched to target BS from source base station, target BS still can the continuity that provides of service resources, and guarantee business is normally carried out.
First aspect, the invention provides a kind of method that business provides, comprising:
Target BS receives the handover request that source base station sends, and carries the information of the service resources that source base station provides for subscriber equipment in handover request;
Target BS is according to the corresponding service resources of the acquisition of information of service resources;
Target BS sends the corresponding service resources obtained to subscriber equipment;
Target BS sends handover acknowledge to source base station.
In conjunction with first aspect, in a first embodiment, the information of service resources comprises the presently used resource segmental identification of subscriber equipment.
In conjunction with first aspect and the first execution mode, in the second execution mode, target BS, according to the corresponding service resources of the acquisition of information of service resources, specifically comprises:
If storage service resource in target BS local cache, then target BS obtains the service resources corresponding with the information of service resources in local cache; Or,
If there is not non-storage service resource in local cache or local cache in target BS, then target BS distally caching function entity send the request obtaining the service resources corresponding with the information of service resources, and receive the corresponding service resources of remote caches functional entity transmission; Or,
If there is not non-storage service resource in local cache or local cache in target BS, and between target BS and source base station, there is Backhaul back haul link, then target BS passes through Backhaul back haul link sends request from the acquisition service resources corresponding with the information of service resources to source base station, and is received the corresponding service resources of source base station transmission by Backhaul back haul link.
In conjunction with first aspect and first two execution mode, in the third execution mode, if non-storage service resource in target BS local cache, after receiving the corresponding service resources of remote caches functional entity transmission, or, received the corresponding service resources of source base station transmission by Backhaul back haul link after, also comprise:
The corresponding service resources obtained is stored in local cache by target BS.
Plant execution mode in conjunction with first aspect and first three, in the 4th kind of execution mode, target BS sends after handover acknowledge to source base station, also comprises:
Target BS sends handoff completion message to source base station, with the buffer memory making source base station discharge storage service resource.
Second aspect, the invention provides a kind of method that business provides, comprising:
Source base station sends handover request to target BS, the information of the service resources that source base station provides for subscriber equipment is carried in handover request, to make target BS according to the corresponding service resources of the acquisition of information of service resources, and send the corresponding service resources obtained to subscriber equipment;
The handover acknowledge that source base station receiving target base station sends.
In conjunction with second aspect, in a first embodiment, the information of service resources comprises the presently used resource segmental identification of subscriber equipment.
In conjunction with second aspect and the first execution mode, in the second execution mode, source base station, to after target BS sends handover request, also comprises:
Source base station by the Backhaul back haul link between target BS, the request of the service resources corresponding with the information of service resources that receiving target base station sends;
Source base station sends corresponding service resources by Backhaul back haul link to target BS.
The third aspect, the invention provides a kind of target BS, comprising:
Switching receiver module, for receiving the handover request that source base station sends, in handover request, carrying the information of the service resources that source base station provides for subscriber equipment;
Data acquisition module, for according to the corresponding service resources of the acquisition of information of service resources;
Data transmission blocks, for sending the corresponding service resources obtained to subscriber equipment;
Switch sending module, for sending handover acknowledge to source base station.
In conjunction with the third aspect, in a first embodiment, the information of service resources comprises the presently used resource segmental identification of subscriber equipment.
In conjunction with the third aspect and the first execution mode, in the second execution mode, data acquisition module specifically for:
If storage service resource in target BS local cache, then data acquisition module obtains the service resources corresponding with the information of service resources in local cache; Or,
If there is not non-storage service resource in local cache or local cache in target BS, then data acquisition module distally caching function entity send the request obtaining the service resources corresponding with the information of service resources, and receive the corresponding service resources of remote caches functional entity transmission; Or,
If there is not non-storage service resource in local cache or local cache in target BS, and between target BS and source base station, there is Backhaul back haul link, then data acquisition module passes through Backhaul back haul link sends request from the acquisition service resources corresponding with the information of service resources to source base station, and is received the corresponding service resources of source base station transmission by Backhaul back haul link.
In conjunction with the third aspect and first two execution mode, in the third execution mode, if non-storage service resource in target BS local cache, after data acquisition module receives the corresponding service resources of remote caches functional entity transmission, or, after data acquisition module receives the corresponding service resources of source base station transmission by Backhaul back haul link, also for the corresponding service resources obtained is stored in local cache.
Plant execution mode in conjunction with the third aspect and first three, in the 4th kind of execution mode, switch sending module and send after handover acknowledge to source base station,
Also for sending handoff completion message to source base station, discharge to make source base station the buffer memory storing described service resources.
Fourth aspect, the invention provides a kind of source base station, comprising:
Switch sending module, for sending handover request to target BS, the information of the service resources that source base station provides for subscriber equipment is carried in handover request, to make target BS according to the corresponding service resources of the acquisition of information of service resources, and send the corresponding service resources obtained to subscriber equipment;
Responder module, for the handover acknowledge that receiving target base station sends.
In conjunction with fourth aspect, in a first embodiment, the information of service resources comprises the presently used resource segmental identification of subscriber equipment.
In conjunction with fourth aspect and the first execution mode, in the second execution mode, also comprise:
Switch receiver module, for sending after handover request to target BS at switching sending module, by the Backhaul back haul link between target BS, the request of the service resources corresponding with the information of service resources that receiving target base station sends;
Data transmission blocks, for sending corresponding service resources by Backhaul back haul link to target BS.
The method that business provided by the invention provides, source base station and target BS, source base station, to after target BS sends and carries the handover request of the service resources information that source base station provides, thus makes target BS according to the corresponding service resources of the acquisition of information of service resources and sends the corresponding service resources obtained to subscriber equipment.Can be implemented in subscriber equipment like this from after source base station is switched to target BS, target BS provides service resources continuously for subscriber equipment, and guarantee business is normally carried out.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, introduce doing one to the accompanying drawing used required in embodiment or description of the prior art simply below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is that existing user obtains the enforcement scene schematic diagram of service resources by base station;
Fig. 2 is the method flow schematic diagram that business that the embodiment of the present invention one provides provides;
Fig. 3 is the method flow schematic diagram that business that the embodiment of the present invention two provides provides;
Fig. 4 is the method flow schematic diagram that business that the embodiment of the present invention three provides provides;
Fig. 5 is the signaling process figure of the method that business that the embodiment of the present invention four provides provides;
Fig. 6 is the signaling process figure of the method that business that the embodiment of the present invention five provides provides;
Fig. 7 is the signaling process figure of the method that business that the embodiment of the present invention six provides provides;
Fig. 8 is the signaling process figure of the method that business that the embodiment of the present invention seven provides provides;
Fig. 9 is the structural representation of the target BS that the embodiment of the present invention eight provides;
Figure 10 is the structural representation of the source base station that the embodiment of the present invention nine provides;
Figure 11 is the structural representation of the target BS that the embodiment of the present invention ten provides;
Figure 12 is the structural representation of the source base station that the embodiment of the present invention 11 provides.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 2 is the method flow schematic diagram that business that the embodiment of the present invention one provides provides.As shown in Figure 2, the method that the business that the embodiment of the present invention one provides provides comprises:
Step 101, target BS receive the handover request that source base station sends, and carry the information of the service resources that described source base station provides for subscriber equipment in handover request;
For the network architecture in Fig. 2.As shown in Figure 2, local Cache buffer memory is all deployed with in source base station and target BS, also can be described as near-end Cache buffer memory, after the packet data gateway (Packet Data Network Gateway is called for short P-GW) of core net, be deployed with remote caches functional entity.Remote caches functional entity is used for providing service resources content for user equipment (UE), can be the server set up of network side or data center, the server etc. of such as ICP.Remote caches functional entity preserves the index Cache Index of himself local Cache buffer memory.When user equipment (UE) is in source base station coverage, source base station provides service resources to user equipment (UE).When user equipment (UE) is when moving to target BS from source base station, the handover request of carrying the service resources information that source base station provides for subscriber equipment is sent to target BS by source base station.
Concrete, the information of the service resources that source base station provides for subscriber equipment can be used for representing that source base station is current and provide the situation of service resources for subscriber equipment, with the situation making target BS can provide service resources according to source base station, for subscriber equipment provides this service resources continuously.The information of service resources can comprise the presently used resource segmental identification of subscriber equipment, can comprise the contents such as the capacity information of service resources in addition, and the capacity information of service resources includes the information such as the size of the Cache buffer memory shared by this service resources.
When subscriber equipment is providing service resources by source base station, such as, during video traffic resource, be moved to target BS from source base station, cause there occurs switchover procedure between base station.Wherein, source base station and target BS can be Long Term Evolution (Long Term Evolution, be called for short LTE), various grand micro-website in the network such as universal mobile telecommunications system (Universal Mobile Telecommunications System, be called for short UMTS).
Now source base station sends handover request to target BS, carries the information of the service resources that source base station provides for subscriber equipment in handover request, can comprise the presently used resource segmental identification of subscriber equipment.Wherein, subscriber equipment presently used resource segmental identification is for representing that user is current at which resource burst of use.
Step 102, target BS are according to the corresponding service resources of the acquisition of information of service resources;
After acquisition service resources information, can resource segmental identification indicated by service resources information, search the memory location of required related service resource and obtain this service resources.In the embodiment of the present invention, target BS can be traditional base station not arranging local cache, also can be the base station being provided with local cache, therefore, according to the difference of service resources memory location, target BS can obtain service resources by following several mode.
Concrete, under a kind of scene, if store required service resources in target BS local cache, then target BS can obtain the service resources corresponding with the information of service resources in local cache; Under another kind of scene, if there is not non-storage service resource in local cache or local cache in target BS, then target BS distally caching function entity send the request obtaining the service resources corresponding with the information of service resources, and receive the corresponding service resources of remote caches functional entity transmission; Under another scene, if there is not non-storage service resource in local cache or local cache in target BS, and between target BS and source base station, there is Backhaul back haul link, then target BS passes through Backhaul back haul link sends request from the acquisition service resources corresponding with the information of service resources to source base station, and is received the corresponding service resources of source base station transmission by Backhaul back haul link.
Concrete, if there is local cache in target BS, but do not store required service resources in local cache, after then receiving the corresponding service resources of remote caches functional entity transmission, or, received the corresponding service resources of source base station transmission by Backhaul back haul link after, the corresponding service resources obtained all can be stored in local cache by target BS.
Step 103, target BS send the corresponding service resources obtained to subscriber equipment;
The service resources of local cache sends to subscriber equipment by target BS, or when there is not local cache, forwards the service resources from source base station or far-end buffer memory.
Step 104, target BS send handover acknowledge to source base station.
Target BS, after send the corresponding service resources obtained to subscriber equipment, sends handover acknowledge to source base station, represents that oneself completes handover operation.
Target BS sends after handover acknowledge to source base station, and what can also receive that subscriber equipment sends has reshuffled message; Target BS sends handoff completion message to source base station, with the buffer memory making source base station discharge storage service resource.
After having switched, the service resources of user is provided by target BS, and the spatial cache of original storage service resource can discharge, so that store the service resources of other users by source base station.
In the present embodiment, after target BS receives the handover request of source base station transmission, target BS according to the corresponding service resources of the acquisition of information of service resources, and sends the corresponding service resources obtained to subscriber equipment; Then handover acknowledge is sent to source base station.Achieve user like this when source base station switches to target BS, target BS provides service resources continuously for user, ensures that user still normally can receive service resources.
Fig. 3 is the method flow schematic diagram that business that the embodiment of the present invention two provides provides.As shown in Figure 3, the method that the embodiment of the present invention two provides comprises:
Step 201, source base station send handover request to target BS, the information of the service resources that source base station provides for subscriber equipment is carried in handover request, to make target BS according to the corresponding service resources of the acquisition of information of service resources, and send the corresponding service resources obtained to subscriber equipment;
Wherein, the information of service resources can comprise the presently used resource segmental identification of subscriber equipment.
Optionally, source base station sends after handover request to target BS, can also comprise:
Source base station by the Backhaul back haul link between target BS, the request of the service resources corresponding with the information of service resources that receiving target base station sends;
Source base station sends corresponding service resources by Backhaul back haul link to target BS.
Source base station can also send reconfiguration message to subscriber equipment after sending handover request to target BS, and wherein, reconfiguration message is used to indicate continuously for subscriber equipment provides service resources.The acquisition address etc. of subscriber equipment to service resources can be made like this to re-start configuration, to realize continuous continual acquisition service resources.
The handover acknowledge that step 202, source base station receiving target base station send.
In the present embodiment, source base station sends the handover request carrying the information of the service resources that source base station provides for subscriber equipment to target BS, to make target BS according to the corresponding service resources of the acquisition of information of service resources, and send the corresponding service resources obtained to subscriber equipment, the handover acknowledge of then receiving target base station transmission.Achieve user like this when source base station switches to target BS, target BS provides service resources continuously for user, ensures that user still normally can receive service resources.
Fig. 4 is the method flow schematic diagram that business that the embodiment of the present invention three provides provides.As shown in Figure 4, the present embodiment providing source base station and target BS provide the reciprocal process in scene in business, the method that the embodiment of the present invention three provides comprises:
Step 301, source base station send handover request to target BS, the information of the service resources that source base station provides for subscriber equipment is carried in handover request, to make target BS according to the corresponding service resources of the acquisition of information of service resources, and send the corresponding service resources obtained to subscriber equipment;
Concrete, local Cache buffer memory is all deployed with in source base station and target BS, also can be described as near-end Cache buffer memory, after the packet data gateway (Packet Data Network Gateway is called for short P-GW) of core net, be deployed with remote caches functional entity.Remote caches functional entity preserves the index Cache Index of himself local Cache buffer memory.When user equipment (UE) is in source base station coverage, source base station provides service resources to user equipment (UE).When user equipment (UE) is when moving to target BS from source base station, the handover request of carrying the service resources information that source base station provides for subscriber equipment is sent to target BS by source base station.Wherein, service resources information comprises: the presently used resource segmental identification of subscriber equipment, comprises user current at which resource burst of use.
Step 302, target BS receive the handover request that source base station sends, and carry the information of the service resources that source base station provides for subscriber equipment in handover request;
Step 303, target BS are according to the corresponding service resources of the acquisition of information of service resources;
Concrete, target BS comprises according to the corresponding service resources of the acquisition of information of service resources:
If storage service resource in target BS local cache, then target BS obtains the service resources corresponding with the information of service resources in local cache; Or,
If there is not non-storage service resource in local cache or local cache in target BS, then target BS distally caching function entity send the request obtaining the service resources corresponding with the information of service resources, and receive the corresponding service resources of remote caches functional entity transmission; Or,
If there is not non-storage service resource in local cache or local cache in target BS, and between target BS and source base station, there is Backhaul back haul link, then target BS passes through Backhaul back haul link sends request from the acquisition service resources corresponding with the information of service resources to source base station, and is received the corresponding service resources of source base station transmission by Backhaul back haul link.
If target BS exists local cache, after receiving the corresponding service resources of described remote caches functional entity transmission, or, received the corresponding service resources of source base station transmission by described Backhaul back haul link after, also comprise:
The corresponding service resources obtained is stored in local cache by target BS.
Or for the above-mentioned network architecture.Illustrated target BS can obtain service resources by following several mode.
Under a kind of scene, if store required service resources in the local Cache buffer memory of target BS, then target BS directly can obtain the service resources corresponding with the information of service resources in local Cache buffer memory, and does not need remote caches functional entity to send; Under another kind of scene, if there is not non-storage service resource in local cache or local cache in target BS, then target BS distally caching function entity send the request obtaining the service resources corresponding with the information of service resources, and receive the corresponding service resources of remote caches functional entity transmission, if now target BS exists local cache, then the corresponding service resources obtained can be stored in local cache by target BS; Under another scene, if there is not non-storage service resource in local cache or local cache in target BS, and between target BS and source base station, there is Backhaul back haul link, then target BS passes through Backhaul back haul link sends request from the acquisition service resources corresponding with the information of service resources to source base station, and is received the corresponding service resources of source base station transmission by Backhaul back haul link.
Step 304, target BS send handover acknowledge to source base station;
Target BS, after send the corresponding service resources obtained to subscriber equipment, sends handover acknowledge to source base station, represents that oneself completes handover operation.
The handover acknowledge that step 305, source base station receiving target base station send;
After target BS completes the inquiry of required service resources and reception operates, source base station sends reconfiguration message to the subscriber equipment in movement, this message is used to indicate continuously for subscriber equipment provides service resources, specifically comprise after user switches and whether also have Cache spatial cache, content whether can be continuous etc. information.Subscriber equipment re-starts configuration according to this reconfiguration message, and has reshuffled message to target BS transmission.Target BS, after sending handover acknowledge to source base station, receives having reshuffled message and having sent handoff completion message to source base station of subscriber equipment transmission, with the buffer memory making source base station discharge storage service resource.Source base station, after receiving the handoff completion message that target BS sends, departs from and the business of this user, and stores the Cache spatial cache of this customer services resources in source of release base station.The service resources that now this user needs is provided continuously by target BS.
Step 306, target BS send the corresponding service resources obtained to subscriber equipment.
Target BS according to self with or without local Cache caching situation, by the corresponding service resource forwarding stored in self local Cache buffer memory to subscriber equipment or directly the service resources from the local Cache buffer memory of source base station or remote caches entity is sent to subscriber equipment.
In the present embodiment, source base station sends the handover request carrying the information of the service resources that source base station provides for subscriber equipment to target BS, target BS is after the handover request receiving source base station transmission, according to the corresponding service resources of the acquisition of information of service resources, and send handover acknowledge to source base station; Source base station sends to subscriber equipment and is used to indicate continuously for subscriber equipment provides the reconfiguration message of service resources, and after the switching of receiving target base station transmission completes information, the buffer memory of release storage service resource; Finally send by target BS the corresponding service resources obtained to subscriber equipment.Achieve user like this when source base station switches to target BS, target BS provides service resources continuously for user, ensures that user still normally can receive service resources.
Fig. 5 is the signaling process figure of the business supplying method that the embodiment of the present invention four provides.As shown in Figure 5, embodiment four correspondence base station switch after in target BS local cache without the enforcement scene of required service resources.Specifically comprise:
S501, source base station send handover request to target BS, the information of the service resources that source base station provides for subscriber equipment is carried in handover request, to make target BS according to the corresponding service resources of the acquisition of information of service resources, and send the corresponding service resources obtained to subscriber equipment;
S502, target BS receive the handover request that source base station sends, and carry the information of the service resources that source base station provides for subscriber equipment in handover request;
In above two steps, when user equipment (UE) is when moving to target BS from source base station, source base station and target BS carry out the mutual of the information such as handover request, allow target BS obtain the relevant information of the service resources that source base station provides for user equipment (UE).
S503, target BS, according to the corresponding service resources of the acquisition of information of service resources, specifically comprise; If non-storage service resource in target BS local cache, then target BS distally caching function entity send the request obtaining the service resources corresponding with the information of service resources, and receive the corresponding service resources of remote caches functional entity transmission.
In this step, after source base station and target BS carry out the information interactions such as handover request information, source base station and target BS start to switch reciprocal process.First target BS inquires about in local cache whether store this service resources, because in this enforcement scene, do not have the service resources needed for user equipment (UE) in target BS local cache, so target BS does not process local cache.But distally caching function entity sends the request obtaining the service resources corresponding with the information of service resources.
S504, target BS send handover acknowledge to source base station;
After target BS obtains corresponding service resources, target BS sends handover acknowledge to source base station, informs and obtains corresponding service resources information.
The handover acknowledge that S505, source base station receiving target base station send;
Above-mentioned steps is at source base station local cache Cache, target BS local cache Cache, mobile management entity (Mobility Management Entity, be called for short MME), new radio bearer is set up between SGW (Signal Gate Way is called for short S-GW) and remote caches functional entity.Because be deployed with local Cache buffer memory in target BS, and there is not Backhaul back haul link between target BS and source base station, so after the corresponding service resources of target BS reception remote caches functional entity transmission, service resources is stored in the local Cache buffer memory of target BS.
S506, target BS send the corresponding service resources obtained to subscriber equipment.
Target BS by obtain and the service resources be stored in local Cache buffer memory sends to user equipment (UE), ensure the business continuity of user equipment (UE).
In the present embodiment, without under the enforcement scene of required service resources in target BS local cache, target BS distally caching function entity sends request corresponding to the acquisition service resources corresponding to the information of service resources, and receive the corresponding service resources that remote caches functional entity sends, then to be stored in local Cache buffer memory and to be forwarded to subscriber equipment.Achieve user like this when source base station switches to target BS, target BS provides service resources continuously for user, ensures that user still normally can receive service resources.
Fig. 6 is the signaling process figure of the business supplying method that the embodiment of the present invention five provides.As shown in Figure 6, the corresponding target BS this locality of embodiment five does not have Cache buffer memory, then carried out the enforcement scene of business continuity by remote caches functional entity.Specifically comprise:
S601, source base station send handover request to target BS, the information of the service resources that source base station provides for subscriber equipment is carried in handover request, to make target BS according to the corresponding service resources of the acquisition of information of service resources, and send the corresponding service resources obtained to subscriber equipment;
S602, target BS receive the handover request that source base station sends, and carry the information of the service resources that source base station provides for subscriber equipment in handover request;
In above two steps, when user equipment (UE) is when moving to target BS from source base station, source base station and target BS carry out the mutual of the information such as handover request, allow target BS obtain the relevant information of the service resources that source base station provides for user equipment (UE).
S603, target BS, according to the corresponding service resources of the acquisition of information of service resources, specifically comprise; If there is not local cache in target BS, then target BS distally caching function entity send the request obtaining the service resources corresponding with the information of service resources, and receive the corresponding service resources of remote caches functional entity transmission.
In this step, after source base station and target BS carry out the information interactions such as handover request information, source base station and target BS start to switch reciprocal process.First target BS inquires about in local cache whether store this service resources, because in this enforcement scene, target BS does not dispose local Cache buffer memory, and there is not Backhaul back haul link between target BS and source base station, so distally caching function entity sends the request obtaining the service resources corresponding with the information of service resources.
S604, target BS send handover acknowledge to source base station;
After target BS obtains corresponding service resources, target BS sends handover acknowledge to source base station, informs and obtains corresponding service resources information.
The handover acknowledge that S605, source base station receiving target base station send;
After the handover acknowledge that source base station receiving target base station sends, can also send reconfiguration message to subscriber equipment, reconfiguration message is used to indicate continuously for subscriber equipment provides service resources;
Above-mentioned steps is at source base station local cache Cache, target BS, mobile management entity (Mobility Management Entity is called for short MME), new radio bearer is set up between SGW (Signal Gate Way is called for short S-GW) and remote caches functional entity.
S606, target BS send the corresponding service resources obtained to subscriber equipment.
Because target BS does not have local Cache buffer memory, and there is not Backhaul back haul link between target BS and source base station, so after the corresponding service resources of target BS reception remote caches functional entity transmission, directly send to user equipment (UE), ensure the business continuity of user equipment (UE).
In the present embodiment, under the enforcement scene that target BS this locality does not arrange buffer memory, target BS distally caching function entity sends request corresponding to the acquisition service resources corresponding to the information of service resources, and receive the corresponding service resources of remote caches functional entity transmission, be more directly forwarded to subscriber equipment.Achieve user like this when source base station switches to target BS, target BS provides service resources continuously for user, ensures that user still normally can receive service resources.
Fig. 7 is the signaling process figure of the business supplying method that the embodiment of the present invention six provides.As shown in Figure 7, embodiment six correspondence base station stores the enforcement scene of required service resources in the local Cache buffer memory of target BS after switching.Specifically comprise:
S701, source base station send handover request to target BS, the information of the service resources that source base station provides for subscriber equipment is carried in handover request, to make target BS according to the corresponding service resources of the acquisition of information of service resources, and send the corresponding service resources obtained to subscriber equipment;
S702, target BS receive the handover request that source base station sends, and carry the information of the service resources that source base station provides for subscriber equipment in handover request;
In above two steps, when user equipment (UE) is when moving to target BS from source base station, source base station and target BS carry out the mutual of the information such as handover request, allow target BS obtain the relevant information of the service resources that source base station provides for user equipment (UE).
S703, target BS, according to the corresponding service resources of the acquisition of information of service resources, specifically comprise; If storage service resource in target BS local cache, then target BS obtains the service resources corresponding with the information of service resources in local cache;
In this step, after source base station and target BS carry out the information interactions such as handover request information, source base station and target BS start to switch reciprocal process.First target BS inquires about in local cache whether store this service resources, because in this enforcement scene, required service resources is stored, so remote caches functional entity does not participate in the continuous process carrying out service resources in the local Cache buffer memory of target BS.
S704, target BS send handover acknowledge to source base station;
After target BS obtains corresponding service resources, target BS sends handover acknowledge to source base station, informs and obtains corresponding service resources information.
The handover acknowledge that S705, source base station receiving target base station send;
Above-mentioned steps is at source base station local cache Cache, target BS local cache Cache, mobile management entity (Mobility Management Entity, be called for short MME), new radio bearer is set up between SGW (Signal Gate Way is called for short S-GW) and remote caches functional entity.Because be deployed with local Cache buffer memory in target BS, remote caches functional entity does not carry out business continuity process.
S706, target BS send the corresponding service resources obtained to subscriber equipment.
Target BS by obtain and the service resources be stored in local Cache buffer memory sends to user equipment (UE), ensure the business continuity of user equipment (UE).
In the present embodiment, under the enforcement scene storing required service resources in the local Cache buffer memory of target BS, directly provide continuous print service resources by the local Cache buffer memory of target BS for subscriber equipment.Achieve user like this when source base station switches to target BS, target BS provides service resources continuously for user, ensures that user still normally can receive service resources.
Fig. 8 is the signaling process figure of the business supplying method that the embodiment of the present invention seven provides.As shown in Figure 8, there is not non-storage service resource in local cache or local cache in embodiment seven correspondence target BS, but there is the enforcement scene of Backhaul back haul link between target BS and source base station.Specifically comprise:
S801, source base station send handover request to target BS, the information of the service resources that source base station provides for subscriber equipment is carried in handover request, to make target BS according to the corresponding service resources of the acquisition of information of service resources, and send the corresponding service resources obtained to subscriber equipment;
S802, target BS receive the handover request that source base station sends, and carry the information of the service resources that source base station provides for subscriber equipment in handover request;
In above two steps, when user equipment (UE) is when moving to target BS from source base station, source base station and target BS carry out the mutual of the information such as handover request, allow target BS obtain the relevant information of the service resources that source base station provides for user equipment (UE).
S803, target BS, according to the corresponding service resources of the acquisition of information of service resources, specifically comprise; If there is not non-storage service resource in local cache or local cache in target BS, and between target BS and source base station, there is Backhaul back haul link, then target BS passes through Backhaul back haul link sends request from the acquisition service resources corresponding with the information of service resources to source base station, and is received the corresponding service resources of source base station transmission by Backhaul back haul link.
In this step, after source base station and target BS carry out the information interactions such as handover request information, source base station and target BS start to switch reciprocal process.First target BS inquires about in local cache whether store this service resources, because in this enforcement scene, the service resources needed for user equipment (UE) is not had in target BS local cache, but between target BS and source base station, there is Backhaul back haul link, so carry out transfer of data by available Backhaul back haul link between target BS and source base station.Therefore target BS sends the request obtaining the service resources corresponding with the information of service resources to source base station by Backhaul back haul link, and the corresponding service resources of source base station transmission is received by Backhaul back haul link, remote caches functional entity does not participate in business continuity process.
S804, target BS send handover acknowledge to source base station;
After target BS obtains corresponding service resources, target BS sends handover acknowledge to source base station, informs and obtains corresponding service resources information.
The handover acknowledge that S805, source base station receiving target base station send;
Above-mentioned steps is at source base station local cache Cache, target BS local cache Cache, mobile management entity (Mobility Management Entity, be called for short MME), new radio bearer is set up between SGW (Signal Gate Way is called for short S-GW) and remote caches functional entity.Because be deployed with local Cache buffer memory in target BS, and between target BS and source base station, there is available Backhaul back haul link, so target BS receives the corresponding service resources of source base station transmission by Backhaul back haul link.
S806, target BS send the corresponding service resources obtained to subscriber equipment.
When target BS has a local Cache buffer memory, the service resources of acquisition is stored in local Cache buffer memory, then sends to user equipment (UE), if when not arranging local cache, then direct service resources is transmitted to user equipment (UE), thus ensures the business continuity of user equipment (UE).
In the present embodiment, when there is Backhaul back haul link in target BS and source base station, target BS does not have a non-storage service resource in buffer memory or local cache during in this locality, directly can utilize Backhaul back haul link by source base station to target BS forwarding service resource data, realize business continuity.Achieve user like this when source base station switches to target BS, target BS provides service resources continuously for user, ensures that user still normally can receive service resources.
Fig. 9 is the structural representation of the target BS that the embodiment of the present invention eight provides.As shown in Figure 9, embodiment eight provides a kind of target BS 71, specifically comprises:
Switching receiver module 701, for receiving the handover request that source base station sends, in handover request, carrying the information of the service resources that source base station provides for subscriber equipment;
Data acquisition module 702, for according to the corresponding service resources of the acquisition of information of service resources;
Data transmission blocks 703, for sending the corresponding service resources obtained to subscriber equipment;
Switch sending module 704, for sending handover acknowledge to source base station.
Wherein, the information of service resources comprises the presently used resource segmental identification of subscriber equipment.
Concrete, data acquisition module 702 for according to the corresponding service resources of the acquisition of information of service resources, comprising:
If store described service resources in target BS local cache, then data acquisition module 702 obtains the service resources corresponding with the information of service resources in local cache; Or,
If there is not non-storage service resource in local cache or local cache in target BS, then data acquisition module 702 distally caching function entity send the request obtaining the service resources corresponding with the information of service resources, and receive the corresponding service resources of remote caches functional entity transmission; Or,
If there is not non-storage service resource in local cache or local cache in target BS, and between target BS and source base station, there is Backhaul back haul link, then data acquisition module 702 passes through Backhaul back haul link sends request from the acquisition service resources corresponding with the information of service resources to source base station, and is received the corresponding service resources of source base station transmission by Backhaul back haul link.
If non-storage service resource in target BS local cache, after data acquisition module 702 receives the corresponding service resources of remote caches functional entity transmission, or, data acquisition module 702 also comprises for being stored in local cache by the corresponding service resources obtained after receiving the corresponding service resources of source base station transmission by Backhaul back haul link.
Concrete, switch sending module 704 to after source base station sends handover acknowledge, also for sending handoff completion message to source base station, with the buffer memory making source base station discharge storage service resource.
The target BS that the present embodiment provides, shown in visible Fig. 1 and Fig. 3 of detailed process of the method that its execution business provides, the associated description of embodiment of the method, repeats no more herein.
In the present embodiment, switching receiver module in target BS can receive the handover request that source base station sends, data acquisition module is again according to the corresponding service resources of the acquisition of information of service resources, then data transmission blocks sends the corresponding service resources obtained to subscriber equipment, finally switches sending module and sends handover acknowledge to source base station.Achieve user like this when source base station switches to target BS, target BS provides service resources continuously for user, ensures that user still normally can receive service resources.
Figure 10 is the structural representation of the source base station that the embodiment of the present invention nine provides.As shown in Figure 10, the invention provides a kind of source base station 81, specifically comprise:
Switch sending module 801, for sending handover request to target BS, the information of the service resources that source base station provides for subscriber equipment is carried in handover request, to make target BS according to the corresponding service resources of the acquisition of information of service resources, and send the corresponding service resources obtained to subscriber equipment;
Responder module 802, for the handover acknowledge that receiving target base station sends.
Wherein, the information of service resources comprises the presently used resource segmental identification of subscriber equipment.
Concrete, source base station can also comprise:
Switch receiver module 803, for sending after handover request to target BS at switching sending module 801, by the Backhaul back haul link between target BS, the request of the service resources corresponding with the information of service resources that receiving target base station sends;
Data transmission blocks 804, for sending corresponding service resources by Backhaul back haul link to target BS.
The source base station that the present embodiment provides, shown in visible Fig. 2 and Fig. 3 of detailed process of the method that its execution business provides, the associated description of embodiment of the method, repeats no more herein.
In the present embodiment, the switching sending module of source base station sends handover request to target BS, the information of the service resources that source base station provides for subscriber equipment is carried in handover request, to make target BS according to the corresponding service resources of the acquisition of information of service resources, and send the corresponding service resources responder module that the obtains handover acknowledge that sends of receiving target base station again to subscriber equipment.Achieve user like this when source base station switches to target BS, target BS provides service resources continuously for user, ensures that user still normally can receive service resources.
Figure 11 is the structural representation of the target BS that the embodiment of the present invention ten provides.As shown in figure 11, embodiment ten provides a kind of target BS 91, specifically comprises:
Receiver 901, for receiving the handover request that source base station sends, carries the information of the service resources that source base station provides for subscriber equipment in handover request;
Processor 902, for according to the corresponding service resources of the acquisition of information of service resources;
Reflector 903, for sending the corresponding service resources obtained to subscriber equipment;
Also for sending handover acknowledge to source base station.
Wherein, the information of service resources comprises the presently used resource segmental identification of subscriber equipment.
Concrete, processor 902 for according to the corresponding service resources of the acquisition of information of service resources, comprising:
If storage service resource in target BS local cache, then processor 902 obtains the service resources corresponding with the information of service resources in local cache; Or,
If there is not non-storage service resource in local cache or local cache in target BS, then processor 902 distally caching function entity send the request obtaining the service resources corresponding with the information of service resources, and receive the corresponding service resources of remote caches functional entity transmission; Or,
If there is not non-storage service resource in local cache or local cache in target BS, and between target BS and source base station, there is Backhaul back haul link, then processor 902 passes through Backhaul back haul link sends request from the acquisition service resources corresponding with the information of service resources to source base station, and is received the corresponding service resources of source base station transmission by Backhaul back haul link.
If non-storage service resource in target BS local cache, after processor 902 receives the corresponding service resources of remote caches functional entity transmission, or, processor 902 also comprises for being stored in local cache by the corresponding service resources obtained after receiving the corresponding service resources of source base station transmission by Backhaul back haul link.
Concrete, reflector 903 to after source base station sends handover acknowledge, also for sending handoff completion message to source base station, with the buffer memory making source base station discharge storage service resource.
The target BS that the present embodiment provides, shown in visible Fig. 1 and Fig. 3 of detailed process of the method that its execution business provides, the associated description of embodiment of the method, repeats no more herein.
In the present embodiment, in target BS, receiver can receive the handover request that source base station sends; The processor of target BS is again according to the corresponding service resources of the acquisition of information of service resources; Then the reflector of target BS sends the corresponding service resources obtained to subscriber equipment; The reflector of ideal base station sends handover acknowledge to source base station.Achieve user like this when source base station switches to target BS, target BS provides service resources continuously for user, ensures that user still normally can receive service resources.
Figure 12 is the structural representation of the source base station that the embodiment of the present invention 11 provides.As shown in figure 12, the invention provides a kind of source base station 92, specifically comprise:
Reflector 1001, for sending handover request to target BS, the information of the service resources that source base station provides for subscriber equipment is carried in handover request, to make target BS according to the corresponding service resources of the acquisition of information of service resources, and send the corresponding service resources obtained to subscriber equipment;
Processor 1002, for the handover acknowledge that receiving target base station sends.
Wherein, the information of service resources comprises the presently used resource segmental identification of subscriber equipment.
Concrete, source base station can also comprise:
Receiver 1003, for sending after handover request to target BS at reflector 1001, by the Backhaul back haul link between target BS, the request of the service resources corresponding with the information of service resources that receiving target base station sends;
Optionally, reflector 1001 can also be used for sending corresponding service resources by Backhaul back haul link to target BS.
The source base station that the present embodiment provides, shown in visible Fig. 2 and Fig. 3 of detailed process of the method that its execution business provides, the associated description of embodiment of the method, repeats no more herein.
In the present embodiment, the reflector of source base station sends handover request to target BS, the information of the service resources that described source base station provides for subscriber equipment is carried in handover request, to make target BS according to the corresponding service resources of the acquisition of information of service resources, and send the corresponding service resources obtained to subscriber equipment; The handover acknowledge of the processor receiving target base station transmission of source base station.Achieve user like this when source base station switches to target BS, target BS provides service resources continuously for user, ensures that user still normally can receive service resources.
One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each embodiment of the method can have been come by the hardware that program command is relevant.Aforesaid program can be stored in a computer read/write memory medium.This program, when performing, performs the step comprising above-mentioned each embodiment of the method; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (16)
1. the method that provides of business, is characterized in that, comprising:
Target BS receives the handover request that source base station sends, and carries the information of the service resources that described source base station provides for subscriber equipment in described handover request;
Described target BS is according to the corresponding service resources of the acquisition of information of described service resources;
Described target BS sends the corresponding service resources obtained to described subscriber equipment;
Described target BS sends handover acknowledge to described source base station.
2. method according to claim 1, is characterized in that, the information of described service resources comprises: the presently used resource segmental identification of described subscriber equipment.
3. method according to claim 1 and 2, is characterized in that, described target BS, according to the corresponding service resources of the acquisition of information of described service resources, specifically comprises:
If store described service resources in described target BS local cache, then described target BS obtains the service resources corresponding with the information of described service resources in local cache; Or,
If described target BS does not exist in local cache or local cache do not store described service resources, then described target BS distally caching function entity send the request obtaining the service resources corresponding with the information of described service resources, and receive the corresponding service resources of described remote caches functional entity transmission; Or,
If described target BS does not exist in local cache or local cache do not store described service resources, and there is Backhaul back haul link between described target BS and described source base station, then described target BS sends the request obtaining the service resources corresponding with the information of described service resources to described source base station by described Backhaul back haul link, and receives the corresponding service resources of described source base station transmission by described Backhaul back haul link.
4. method according to claim 3, it is characterized in that, if do not store described service resources in described target BS local cache, after the corresponding service resources that described reception described remote caches functional entity sends, or, described by described Backhaul back haul link receive described source base station send corresponding service resources after, also comprise:
The corresponding service resources obtained is stored in local cache by described target BS.
5. the method according to any one of claim 1-4, is characterized in that, described target BS, to after described source base station sends handover acknowledge, also comprises:
Described target BS sends handoff completion message to described source base station, discharges to make described source base station the buffer memory storing described service resources.
6. the method that provides of business, is characterized in that, comprising:
Source base station sends handover request to target BS, the information of the service resources that described source base station provides for subscriber equipment is carried in described handover request, to make described target BS according to the corresponding service resources of the acquisition of information of described service resources, and send the corresponding service resources obtained to described subscriber equipment;
Described source base station receives the handover acknowledge that described target BS sends.
7. method according to claim 6, is characterized in that, the information of described service resources comprises: the presently used resource segmental identification of described subscriber equipment.
8. the method according to claim 6 or 7, is characterized in that, described source base station sends after handover request to target BS, also comprises:
Described source base station, by the Backhaul back haul link between described target BS, receives the request of the service resources corresponding with the information of described service resources that described target BS sends;
Described source base station sends corresponding service resources by described Backhaul back haul link to described target BS.
9. a target BS, is characterized in that, comprising:
Switching receiver module, for receiving the handover request that source base station sends, in described handover request, carrying the information of the service resources that described source base station provides for subscriber equipment;
Data acquisition module, for according to the corresponding service resources of the acquisition of information of described service resources;
Data transmission blocks, for sending the corresponding service resources obtained to described subscriber equipment;
Switch sending module, for sending handover acknowledge to described source base station.
10. target BS according to claim 9, is characterized in that, the information of described service resources comprises: the presently used resource segmental identification of described subscriber equipment.
11. target BS according to claim 9 or 10, is characterized in that, described data acquisition module specifically for:
If store described service resources in described target BS local cache, then described data acquisition module obtains the service resources corresponding with the information of described service resources in local cache; Or,
If described target BS does not exist in local cache or local cache do not store described service resources, then described data acquisition module distally caching function entity send the request obtaining the service resources corresponding with the information of described service resources, and receive the corresponding service resources of described remote caches functional entity transmission; Or,
If described target BS does not exist in local cache or local cache do not store described service resources, and there is Backhaul back haul link between described target BS and described source base station, then described data acquisition module sends the request obtaining the service resources corresponding with the information of described service resources to described source base station by described Backhaul back haul link, and receives the corresponding service resources of described source base station transmission by described Backhaul back haul link.
12. target BS according to claim 9, it is characterized in that, if do not store described service resources in described target BS local cache, after described data acquisition module receives the corresponding service resources of described remote caches functional entity transmission, or, after described data acquisition module receives the corresponding service resources of described source base station transmission by described Backhaul back haul link, also for the corresponding service resources obtained is stored in local cache.
13. target BS according to any one of claim 9-12, it is characterized in that, described switching sending module, to after described source base station sends handover acknowledge, also for sending handoff completion message to described source base station, discharges to make described source base station the buffer memory storing described service resources.
14. 1 kinds of source base stations, is characterized in that, comprising:
Switch sending module, for sending handover request to target BS, the information of the service resources that described source base station provides for subscriber equipment is carried in described handover request, to make described target BS according to the corresponding service resources of the acquisition of information of described service resources, and send the corresponding service resources obtained to described subscriber equipment;
Responder module, for receiving the handover acknowledge that described target BS sends.
15. source base stations according to claim 14, is characterized in that, the information of described service resources comprises: the presently used resource segmental identification of described subscriber equipment.
16. source base stations according to claims 14 or 15, is characterized in that, also comprise:
Switch receiver module, for sending after handover request to target BS at described switching sending module, by the Backhaul back haul link between described target BS, receive the request of the service resources corresponding with the information of described service resources that described target BS sends;
Data transmission blocks, for sending corresponding service resources by described Backhaul back haul link to described target BS.
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| CN201410124109.6A CN104955115B (en) | 2014-03-28 | 2014-03-28 | Method, source base station and the target BS that business provides |
| PCT/CN2014/092703 WO2015143888A1 (en) | 2014-03-28 | 2014-12-01 | Service providing method, source base station and target base station |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106973407A (en) * | 2016-01-13 | 2017-07-21 | 中国移动通信集团公司 | The transmission method and device of a kind of business datum |
| CN106982410A (en) * | 2016-01-16 | 2017-07-25 | 华为技术有限公司 | A kind of method of switching, base station and terminal device |
| CN107454632A (en) * | 2016-05-30 | 2017-12-08 | 中国移动通信有限公司研究院 | Method for processing business, base station and terminal in a kind of handoff procedure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109905900B (en) | 2017-12-07 | 2020-09-08 | 华为技术有限公司 | Method for switching central unit and service processing device |
| EP3751896A4 (en) | 2018-02-09 | 2021-09-29 | Beijing Xiaomi Mobile Software Co., Ltd. | Handover method between base stations, device, system and storage medium |
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| WO2013015727A1 (en) * | 2011-07-25 | 2013-01-31 | Telefonaktiebolaget Lm Ericsson (Publ) | Radio base station, method in a radio base station, relay station and method in a relay station |
| CN102572980B (en) * | 2011-12-22 | 2014-12-03 | 华为技术有限公司 | Mobile station switching method, device and system |
| CN103313325B (en) * | 2012-03-09 | 2018-04-27 | 中兴通讯股份有限公司 | Switching method and device, data processing method and device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106973407A (en) * | 2016-01-13 | 2017-07-21 | 中国移动通信集团公司 | The transmission method and device of a kind of business datum |
| CN106973407B (en) * | 2016-01-13 | 2020-03-20 | 中国移动通信集团公司 | Service data transmission method and device |
| CN106982410A (en) * | 2016-01-16 | 2017-07-25 | 华为技术有限公司 | A kind of method of switching, base station and terminal device |
| CN109041137A (en) * | 2016-01-16 | 2018-12-18 | 华为技术有限公司 | A kind of method of switching, base station and terminal device |
| US10834648B2 (en) | 2016-01-16 | 2020-11-10 | Huawei Technologies Co., Ltd. | Handover method, base station, and terminal device |
| CN106982410B (en) * | 2016-01-16 | 2021-12-10 | 华为技术有限公司 | Switching method, base station and terminal equipment |
| US11438818B2 (en) | 2016-01-16 | 2022-09-06 | Huawei Technologies Co., Ltd. | Handover method, base station, and terminal device |
| CN107454632A (en) * | 2016-05-30 | 2017-12-08 | 中国移动通信有限公司研究院 | Method for processing business, base station and terminal in a kind of handoff procedure |
| CN107454632B (en) * | 2016-05-30 | 2020-04-24 | 中国移动通信有限公司研究院 | Service processing method, base station and terminal in switching process |
Also Published As
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| WO2015143888A1 (en) | 2015-10-01 |
| CN104955115B (en) | 2019-03-01 |
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