CN108966293A - A kind of base station switch method and device - Google Patents
A kind of base station switch method and device Download PDFInfo
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- CN108966293A CN108966293A CN201710352995.1A CN201710352995A CN108966293A CN 108966293 A CN108966293 A CN 108966293A CN 201710352995 A CN201710352995 A CN 201710352995A CN 108966293 A CN108966293 A CN 108966293A
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- notification message
- base station
- core net
- terminal
- timer
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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
-
- 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
- H04W36/0016—Hand-off preparation specially adapted for end-to-end data sessions
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
-
- 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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the present application provides a kind of base station switch method and device, the described method includes: judging in the bearer types of terminal whether to include AM bearing mode when target BS receives the handoff completion message of terminal and does not receive the sequence number transmission switching messages of source base station of core net forwarding；Wherein, bearer types are that the resource information carried in the switching request sent according to source base station to target BS determines；If so, the timer that starting is preset, and cache handoff notification message；If receiving the sequence number transmission switching messages of core net forwarding, then Off Timer before timer expiry, and the handoff notification message of caching is sent to core net.It solves SN switching messages through the invention and handoff notification message random ordering is sent, reduce service disconnection situation of the user in handoff procedure.
Description
Technical field
This application involves fields of communication technology, more particularly to a kind of base station switch method and a kind of base station switching device.
Background technique
In the wireless network, when terminal, which carries business, is transferred to another cell from a cell, industry is often carried
The switching between base station is done in business, if the DRB (Data Resource Bearer, the Deta bearer between terminal and base station) of terminal
At least one in carrying is AM (Acknowledged Mode, affirmation mode) mode, then the business in terminal needs to carry out SN
(Sequence Number, sequence number) state transfer is switched, and in UM (Unacknowledged Mode, Unacknowledged Mode) mould
Under formula, the business in terminal does not need to switch.
Under the scene of S1 (base station S1) switching, switching for SN (Sequence Number, sequence number) is needed by core
Net, detailed process may include steps of:
Step N1: after source base station issues switching command to terminal, SN state switching messages is sent to core net and carry out SN
State is switched；
Step N2: after core net receives SN state switching messages, S1MME (Mobility Management is sent
Entity, mobility management entity) Status Transfer (MME state switching messages) is transmitted to target BS.
Under normal circumstances, core net before the handoff notification message (HandoverNotify) for receiving target BS
It completes SN to switch, but outfield discovery at present is in S1 handoff procedure, is first to receive target BS by MME to send
" HandoverNotify " then receives source base station and sends " ENB Status Transfer ", and MME is considered to receive message
Random ordering occurs, so " the ENB Status Transfer " that receives after abandoning, causes target side base station to fail to receive source base station
SN switching messages, cause customer service interruption cannot restore.
Currently used scheme is usually, by discharging user equipment, user equipment to be made to access target side base station again
Restore the safeguard measure of business, still, in the process, the case where interruption has occurred in terminal traffic, affects the sense of user
Know.
Therefore, it is badly in need of a kind of scheme for solving SN switching messages and handoff notification message random ordering in S1 handoff procedure at present.
Summary of the invention
In view of the above problems, it proposes the embodiment of the present application and overcomes the above problem or at least partly in order to provide one kind
A kind of base station switch method to solve the above problems and a kind of corresponding base station switching device.
To solve the above-mentioned problems, the embodiment of the present application discloses a kind of base station switch method, comprising:
The handoff completion message of terminal is received in target BS and does not receive the sequence for the source base station that core net forwards
Number transmission switching messages when, judge in the bearer types of terminal whether to include AM bearing mode；Wherein, bearer types are foundations
What the resource information carried in the switching request that source base station is sent to target BS determined；
If so, the timer that starting is preset, and cache handoff notification message；
If the sequence number transmission switching messages of core net forwarding are received, then Off Timer before timer expiry, and
The handoff notification message of caching is sent to core net.
Preferably, the handoff completion message of terminal is received in target BS and receive the source base station that core net forwards
When sequence number transmits switching messages, method further include:
Handoff notification message is sent to core net.
Preferably, after the step of whether including AM bearing mode in the bearer types for judging terminal, further includes:
If not including AM bearing mode in the bearer types of terminal, handoff notification message is sent to core net.
Preferably, further includes:
When judging whether the timer expires or not；
If so, Off Timer, the handoff notification message of caching is sent to core net；
If it is not, then judging before timer expiry, if receive the sequence number transmission switching messages of core net forwarding.
Preferably, resource information includes data traffic information, voice traffic information, at least one in signaling bear information
Kind.
On the other hand, the embodiment of the invention also discloses a kind of base station switching devices, comprising:
AM bearing mode judgment module, for receiving the handoff completion message of terminal in target BS and not receiving
When the sequence number of the source base station of core net forwarding transmits switching messages, judge in the bearer types of terminal whether to include AM carrying
Mode；Wherein, bearer types are that the resource information carried in the switching request sent according to source base station to target BS determines；
Timer starting module when for including bearing mode in the bearer types of terminal, starts preset timing
Device, and cache handoff notification message；
First handoff notification message sending module, for before timer expiry, receiving the sequence number of core net forwarding
Switching messages are transmitted, then Off Timer, and sends the handoff notification message of caching to core net.
Preferably, the handoff completion message of terminal is received in target BS and receive the source base station that core net forwards
When sequence number transmits switching messages, further includes:
Second handoff notification message sending module, for sending handoff notification message to core net.
Preferably, after AM bearing mode judgment module, further includes:
Third handoff notification message sending module, when for not including AM bearing mode in the bearer types of terminal, to
Core net sends handoff notification message.
Preferably, further includes:
Timer expiry judgment module, for when judging whether the timer expires or not；
Handoff notification message sending module is cached, in timer expiry, Off Timer to be sent slow to core net
The handoff notification message deposited；
Sequence number switches transmission message judgment module, for judging before timer expiry in timer expiry, if
Receive the sequence number transmission switching messages for stating core net forwarding.
Preferably, resource information includes data traffic information, voice traffic information, at least one in signaling bear information
Kind.
Compared with prior art, the embodiment of the present application includes the following advantages:
In the embodiment of the present invention, the handoff completion message of terminal is received in target BS and does not receive core net turn
When the sequence number of the source base station of hair transmits switching messages, when in the bearer types for judging terminal including AM bearing mode,
By starting preset timer, handoff notification message is cached, before timer expiry, if target BS receives core net
The sequence number of forwarding transmits switching messages, then the handoff notification message of caching is sent to core net.Accordingly, with respect to the prior art
In scheme, by release user equipment, user equipment is set to access target side base station again to restore the safeguard measure of business, but
It is in the process, the case where interruption has occurred in terminal traffic, to affect the perception of user.The embodiment of the present invention was switching
When SN switching messages and handoff notification message random ordering occurring in journey, by caching to handoff notification message, it is related fixed to start for base station
When device to wait the processing of the processes such as SN switching messages to reduce and random ordering is avoided to happen, reduce and avoid SN and switch and disappear
Breath and handoff notification message random ordering are sent, and reduce service disconnection situation of the user in handoff procedure, improve user's perception；Into one
Step ground, the embodiment of the present invention can lower the drop rate of UE in network, further improve user's perception.
Detailed description of the invention
Fig. 1 is a kind of step flow chart of base station switch method of one embodiment of the present of invention；
Fig. 1 a is a kind of step flow chart of base station switch method in the prior art of another embodiment of the invention；
Fig. 2 is a kind of step flow chart of base station switch method of another embodiment of the invention；
Fig. 2 a is a kind of step flow chart of base station switch method of another embodiment of the invention；And
Fig. 3 is a kind of structural block diagram of base station switching device of one embodiment of the present of invention.
Specific embodiment
In order to make the above objects, features, and advantages of the present application more apparent, with reference to the accompanying drawing and it is specific real
Applying mode, the present application will be further described in detail.
In order to make those skilled in the art further appreciate that the embodiment of the present invention, below in conjunction with the process for combining base station switching
The embodiment of the present invention is illustrated.
The step flow chart of the base station switch method in the prior art of one kind shown in a referring to Fig.1, can specifically include as follows
Step:
Step S1, target side base station receive handoff completion message；
Step S2 sends handoff notification message to core net；
Whether step S3, base station receive the SN switching messages of core net hair；If so, thening follow the steps S4；If it is not, then executing
Step S5；
Step S4, it is normal that SN switches successfully UE business；It is transferred to step S7
Step S5, SN are not switched, UE service disconnection, and base station discharges UE；
Access service restores again by step S6, UE；
Step S7 terminates.
As can be seen that core net is complete before the handoff notification message (HandoverNotify) for receiving target BS
It is switched at SN, but outfield discovery at present is in S1 handoff procedure, is first to receive target BS by MME to send
" HandoverNotify " then receives source base station and sends " ENB Status Transfer ", and MME is considered to receive message
Random ordering occurs, so " the ENB Status Transfer " that receives after abandoning, causes target side base station to fail to receive source base station
SN switching messages, cause customer service interruption cannot restore.Currently used scheme is usually to be set by discharging user
It is standby, so that user equipment is accessed target side base station again to restore the safeguard measure of business, still, and in the process, terminal traffic
The case where interruption has occurred affects the perception of user.
To solve the above-mentioned problems, one of the core concepts of the embodiments of the present invention is, SN occurs in handoff procedure and falls
When changing message and handoff notification message random ordering, base station starts preset timer by caching to handoff notification message to wait
The processing of the processes such as SN switching messages reduces and random ordering is avoided to happen.Therefore, the embodiment of the present invention can be reduced and be kept away
Exempt from SN switching messages and handoff notification message random ordering is sent, reduces service disconnection situation of the user in handoff procedure, improve
User's perception it is possible to further reducing the drop rate of UE in network, while improving user's perception.
Embodiment one
Referring to Fig.1, a kind of step flow chart of base station switch method provided in an embodiment of the present invention is shown, it specifically can be with
Include:
Whether step S101 judges in the bearer types of the terminal to include AM bearing mode.
In embodiments of the present invention, the bearer types of terminal may include AM (affirmation mode) bearing mode, TM (transparent mould
Formula) bearing mode and UM (Unacknowledged Mode) bearing mode, wherein data service is using AM bearing mode, voice service
The TM bearing mode of use, the UM bearing mode that signaling bear uses.
In the handoff procedure of base station, if as soon as having an AM mode in the DRB bearing mode of terminal, then the business of terminal needs
It carries out SN state transfer to switch, otherwise, does not need progress SN state transfer and switch.
The handoff completion message of terminal is received in target BS, it is first before sending handoff notification message to core net
It first checks whether target BS receives and switching messages is transmitted by the SN that core network element forwards source base station transmission, if mesh
Mark base station is not received by SN transmission switching messages, then passes through the switching request that core net is sent to target BS according to source base station
Whether the resource information of middle carrying judges comprising AM mode in the bearer types of terminal.
Preferably, the resource information may include data traffic information, voice traffic information, in signaling bear information
It is at least one.
In the embodiment of the present invention, target BS can be forwarded according to core network element in the switching request of terminal transmission
The resource information of carrying judges the bearer types of terminal, for example, the resource information carried in switching request includes
When data traffic information, then it may determine that in the bearer types of terminal to include AM bearing mode, on the contrary, then may determine that
Not including in the bearer types of terminal out has AM bearing mode.
If including AM bearing mode in the bearing mode of terminal, S102 is thened follow the steps.
Preferably, the handoff completion message of terminal is received in target BS and receive the source base station that core net forwards
When sequence number transmits switching messages, the method can also include:
Step S100 sends handoff notification message to the core net.
In embodiments of the present invention, the handoff completion message of terminal is received in target BS, and receives core net and turns
When the SN of the source base station of hair transmits switching messages, then target BS directly sends handoff notification message to core net, completes terminal
Base station switching, and execute normal terminal business.
Preferably, after the step of whether including AM bearing mode in the bearer types for judging the terminal,
Can also include:
Sub-step S1011 is sent if not including AM bearing mode in the bearer types of the terminal to the core net
Handoff notification message.
In embodiments of the present invention, not including in the bearer types for judging terminal has AM bearing mode, then target base
It stands erectly to connect to core net and sends handoff notification message, complete the base station switching flow of terminal, UE carries out normal business.
Step S102 starts preset timer, and caches handoff notification message.
In embodiments of the present invention, timer is pre-set in target BS, within a preset time to target BS
The SN transmission switching messages for whether receiving core net forwarding are judged.The preset time of timer can be set to 3min,
It may be set to be 5min etc..
In practical applications, those skilled in the art can self-setting timer according to actual needs preset time,
The embodiments of the present invention are not limited thereto.
When including AM bearing mode in the bearer types for judging terminal, target BS starts preset timer,
And handoff notification message is cached in the specified memory of target BS, it is not sent to core net, and then execute step S103.
Step S103 receives the sequence number transmission switching messages of the core net forwarding before the timer expiry,
The timer is then closed, and sends the handoff notification message of caching to the core net.
Timer is monitored in real time, if target BS has received core network element and turns before timer expiry
The SN transmission switching messages for sending terminal transmission, then close the timer, and the handoff notification message cached in advance is sent
To core net, then handoff procedure is completed, UE is normally received and sent the business of data, and switching flow terminates.
In the embodiment of the present invention, the handoff completion message of terminal is received in target BS and does not receive core net turn
When the sequence number of the source base station of hair transmits switching messages, when in the bearer types for judging terminal including AM bearing mode,
By starting preset timer, handoff notification message is cached, before timer expiry, if target BS receives core net
The sequence number of forwarding transmits switching messages, then the handoff notification message of caching is sent to core net.Accordingly, with respect to the prior art
In scheme, by release user equipment, user equipment is set to access target side base station again to restore the safeguard measure of business, but
It is in the process, the case where interruption has occurred in terminal traffic, to affect the perception of user.The embodiment of the present invention was switching
When SN switching messages and handoff notification message random ordering occurring in journey, by caching to handoff notification message, it is related fixed to start for base station
When device to wait the processing of the processes such as SN switching messages to reduce and random ordering is avoided to happen, reduce and avoid SN and switch and disappear
Breath and handoff notification message random ordering are sent, and reduce service disconnection situation of the user in handoff procedure, improve user's perception；Into one
Step ground, the embodiment of the present invention can lower the drop rate of UE in network, further improve user's perception.
Embodiment two
Referring to Fig. 2, a kind of step flow chart of base station switch method provided in an embodiment of the present invention is shown, it specifically can be with
Include:
Whether step S201 judges in the bearer types of the terminal to include AM bearing mode.
In embodiments of the present invention, the handoff completion message of terminal is received in target BS and do not receive core net
When the sequence number of the source base station of forwarding transmits switching messages, cutting for target BS is forwarded to by core network element according to source base station
Whether change in bearer types of the resource information carried in request to judge terminal includes AM bearing mode.
If including AM bearing mode in the bearer types of terminal, S202 is thened follow the steps.
Step S202 starts preset timer, and caches handoff notification message.
When including AM bearing mode in the bearer types of terminal, then start the preset timer in target BS side, and
It caches handoff notification message not send to core net, and executes step S203.
Step S203 receives the sequence number transmission switching messages of the core net forwarding before the timer expiry,
The timer is then closed, and sends the handoff notification message of caching to the core net.
Before timer expiry, target BS have received core network element forward terminal transmission SN transmission switch
Message then closes the timer, and the handoff notification message cached in advance is sent to core net, then completes handoff procedure, UE
The business of data is normally received and is sent, switching flow terminates.
If target BS does not receive the SN transmission switching messages of core net forwarding before timer expiry, then execute
Step S204.
Step S204 judges whether the timer is overtime.
The timer of target BS side is monitored, when judging whether the timer expires or not, if timer expiry, to hold
Row step S205；Otherwise, step S203 is continued to execute.
Step S205 closes the timer, and the handoff notification message of caching is sent to the core net.
In timer expiry, target BS Off Timer, and the handoff notification message cached is sent to core net, and
Since source base station side SN transmission message is not switched, then the service disconnection of terminal, source base station discharge terminal, and UE disappears according to switching notice
Again access target BS carries out regular traffic to breath.
In the embodiment of the present invention, the handoff completion message of terminal is received in target BS and does not receive core net turn
When the sequence number of the source base station of hair transmits switching messages, when in the bearer types for judging terminal including AM bearing mode,
By starting preset timer, handoff notification message is cached, before timer expiry, if target BS receives core net
The sequence number of forwarding transmits switching messages, then the handoff notification message of caching is sent to core net.Accordingly, with respect to the prior art
In scheme, by release user equipment, user equipment is set to access target side base station again to restore the safeguard measure of business, but
It is in the process, the case where interruption has occurred in terminal traffic, to affect the perception of user.The embodiment of the present invention was switching
When SN switching messages and handoff notification message random ordering occurring in journey, by caching to handoff notification message, it is related fixed to start for base station
When device to wait the processing of the processes such as SN switching messages to reduce and random ordering is avoided to happen, reduce and avoid SN and switch and disappear
Breath and handoff notification message random ordering are sent, and reduce service disconnection situation of the user in handoff procedure, improve user's perception；Into one
Step ground, the embodiment of the present invention can lower the drop rate of UE in network, further improve user's perception.
Referring to Fig. 2 a, a kind of step flow chart of base station switch method provided in an embodiment of the present invention is shown, specifically may be used
To include:
Step N1, target side base station receive handoff completion message.
In embodiments of the present invention, when target side base station receives handoff completion message, N2 is thened follow the steps.
Whether step N2, target side receive the SN switching messages of core net hair.
Judge whether target side base station receives the SN switching messages that terminal is sent by core network element, if so,
N4 is thened follow the steps, it is no to then follow the steps N3.
Whether all carryings of step N3, UE have AM mode；It is no to then follow the steps N4 if so then execute step N5.
When target side base station does not receive the SN switching messages that terminal is sent by core network element, then terminal is wrapped
Whether the bearer types contained have AM mode to be judged.
If so, N5 is thened follow the steps, it is no to then follow the steps N4.
Step N4 sends handoff notification message to core net.
In the embodiment of the present invention, the SN switching messages that terminal is sent by core network element are received in target side base station
When, then target side base station directly sends handoff notification message to core net.
Further, the SN switching messages that terminal is sent by core network element are not received in target side base station, but
When judging not including AM mode in all bearer types of terminal, target side base station also directly sends switching notice to core net
Message.
Step N5, delay send the starting of handoff notification message timer.
When including AM mode in the bearer types that terminal is included, then target side base station postpones to send to core net and cut
Notification message is changed, i.e. target side base station caches handoff notification message, and starts preset timer, and then be transferred to step
N6。
Step N6 waits whether receiving SN switching messages.
After target side base station starts timer, and before timer has not timed out, the SN to be received such as target side base station
Transmit switching messages.
If before the timer expires, target side base station receives SN transmission switching messages, N8 is thened follow the steps；Otherwise
Execute step N7.
Step N7, whether delay sends handoff notification message timer overtime.If so, thening follow the steps N9, otherwise execute
Step N6.
If target side base station does not receive SN transmission switching messages, then target side base station postpones before timer expiry
Handoff notification message is sent to core net, and when judging whether the timer expires or not.
If timer expiry thens follow the steps N9；It is no to then follow the steps N6, that is, it continues waiting for whether receiving SN and switch
Message.
Step N8 stops timer, sends handoff notification message to core net, and be transferred to step N12.
In timer expiry, then target side base station stops timer, and sends handoff notification message to core net, is transferred to
Step N12.
Step N9 sends handoff notification message to core net.
SN transmission switching messages are not received in target side base station, and when timer expiry, then target side base station is to core
Net sends handoff notification message, and enters step N10.
Step N10, SN do not switch UE service disconnection, and base station discharges UE.
The SN of source base station is not switched, then the service disconnection of UE, and source base station discharges UE.
Access service restores again by step N11, UE.
UE accesses target side base station again, and restores normal business.
Step N12, switching are completed, and UE business is normal.
Step N13 terminates.
The base station switching flow of terminal is completed, and UE carries out normal business, and base station switching task terminates.
In the embodiment of the present invention, the handoff completion message of terminal is received in target BS and does not receive core net turn
When the sequence number of the source base station of hair transmits switching messages, when in the bearer types for judging terminal including AM bearing mode,
By starting preset timer, handoff notification message is cached, before timer expiry, if target BS receives core net
The sequence number of forwarding transmits switching messages, then the handoff notification message of caching is sent to core net.Accordingly, with respect to the prior art
In scheme, by release user equipment, user equipment is set to access target side base station again to restore the safeguard measure of business, but
It is in the process, the case where interruption has occurred in terminal traffic, to affect the perception of user.The embodiment of the present invention was switching
When SN switching messages and handoff notification message random ordering occurring in journey, by caching to handoff notification message, it is related fixed to start for base station
When device to wait the processing of the processes such as SN switching messages to reduce and random ordering is avoided to happen, reduce and avoid SN and switch and disappear
Breath and handoff notification message random ordering are sent, and reduce service disconnection situation of the user in handoff procedure, improve user's perception；Into one
Step ground, the embodiment of the present invention can lower the drop rate of UE in network, further improve user's perception.
Embodiment three
Referring to Fig. 3, a kind of structural block diagram of base station switching device provided in an embodiment of the present invention is shown, specifically can wrap
Include following module:
AM bearing mode judgment module 301, for receiving the handoff completion message of terminal in target BS and not receiving
When the sequence number of the source base station forwarded to core net transmits switching messages, judge in the bearer types of the terminal whether include
AM bearing mode；Wherein, the bearer types are the resources carried in the switching request sent according to source base station to target BS
What information determined.
Preferably, the handoff completion message of terminal is received in target BS and receive the source base station that core net forwards
When sequence number transmits switching messages, described device can also include:
Second handoff notification message sending module, for sending handoff notification message to the core net.
Preferably, after the AM bearing mode judgment module 301, can also include:
Third handoff notification message sending module, for not including AM bearing mode in the bearer types of the terminal
When, handoff notification message is sent to the core net.
Timer starting module 302 when for including bearing mode in the bearer types of the terminal, starts preset
Timer, and cache handoff notification message.
Preferably, can also include:
Timer expiry judgment module, for judging whether the timer is overtime；
Handoff notification message sending module is cached, in the timer expiry, closes the timer, to described
Core net sends the handoff notification message of caching；
Sequence number switches transmission message judgment module, super in the timer for judging in the timer expiry
Shi Qian, if receive the sequence number transmission switching messages of the core net forwarding.
Preferably, the resource information include data traffic information, voice traffic information, in signaling bear information at least
It is a kind of.
First handoff notification message sending module 303 turns for before the timer expiry, receiving the core net
The sequence number of hair transmits switching messages, then closes the timer, and the handoff notification message of caching is sent to the core net.
For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple
Place illustrates referring to the part of embodiment of the method.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiments of the present application may be provided as method, apparatus or calculating
Machine program product.Therefore, the embodiment of the present application can be used complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present application can be used one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present application is referring to according to the method for the embodiment of the present application, terminal device (system) and computer program
The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these
Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices
Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices
In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet
The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that
Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus
The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart
And/or in one or more blocks of the block diagram specify function the step of.
Although preferred embodiments of the embodiments of the present application have been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and all change and modification within the scope of the embodiments of the present application.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Above to a kind of base station switch method provided herein and a kind of base station switching device, detailed Jie has been carried out
It continues, specific examples are used herein to illustrate the principle and implementation manner of the present application, and the explanation of above embodiments is only
It is to be used to help understand the method for this application and its core ideas；At the same time, for those skilled in the art, according to this Shen
Thought please, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not manage
Solution is the limitation to the application.
Claims (10)
1. a kind of base station switch method characterized by comprising
The handoff completion message of terminal is received in target BS and does not receive the sequence number biography for the source base station that core net forwards
When defeated switching messages, judge in the bearer types of the terminal whether to include AM bearing mode；Wherein, the bearer types are
What the resource information carried in the switching request sent according to source base station to target BS determined；
If so, the timer that starting is preset, and cache handoff notification message；
If receiving the sequence number transmission switching messages of the core net forwarding, then described in closing before the timer expiry
Timer, and the handoff notification message cached is sent to the core net.
2. the method according to claim 1, wherein target BS receive terminal handoff completion message,
And when receiving the sequence number transmission switching messages of source base station of core net forwarding, the method also includes:
Handoff notification message is sent to the core net.
3. the method according to claim 1, wherein whether being wrapped in the bearer types for judging the terminal
After the step of containing AM bearing mode, further includes:
If not including AM bearing mode in the bearer types of the terminal, handoff notification message is sent to the core net.
4. the method according to claim 1, wherein further include:
Judge whether the timer is overtime；
If so, closing the timer, the handoff notification message of caching is sent to the core net；
If it is not, then judging before the timer expiry, if the sequence number transmission for receiving the core net forwarding, which is switched, to disappear
Breath.
5. the method according to claim 1, wherein the resource information includes data traffic information, voice industry
At least one of business information, signaling bear information.
6. a kind of base station switching device characterized by comprising
AM bearing mode judgment module, for receiving the handoff completion message of terminal in target BS and not receiving core
When netting the sequence number transmission switching messages of the source base station of forwarding, judge in the bearer types of the terminal whether to include AM carrying
Mode；Wherein, the bearer types are that the resource information that carries in the switching request sent to target BS according to source base station is true
Fixed；
Timer starting module when for including bearing mode in the bearer types of the terminal, starts preset timing
Device, and cache handoff notification message；
First handoff notification message sending module, for before the timer expiry, receiving the sequence of the core net forwarding
Row number transmits switching messages, then closes the timer, and the handoff notification message of caching is sent to the core net.
7. device according to claim 6, which is characterized in that target BS receive terminal handoff completion message,
And when receiving the sequence number transmission switching messages of source base station of core net forwarding, described device further include:
Second handoff notification message sending module, for sending handoff notification message to the core net.
8. device according to claim 6, which is characterized in that after the AM bearing mode judgment module, further includes:
Third handoff notification message sending module, when for not including AM bearing mode in the bearer types of the terminal, to
The core net sends handoff notification message.
9. device according to claim 6, which is characterized in that further include:
Timer expiry judgment module, for judging whether the timer is overtime；
Handoff notification message sending module is cached, for the timer being closed, to the core in the timer expiry
Net sends the handoff notification message of caching；
Sequence number switches transmission message judgment module, for judging before the timer expiry in the timer expiry,
Whether the sequence number transmission switching messages of the core net forwarding are received.
10. device according to claim 6, which is characterized in that the resource information includes data traffic information, voice industry
At least one of business information, signaling bear information.
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| CN108966293B (en) | 2020-12-04 |
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