CN109151941A - It is a kind of to realize business initializtion redirection, the method for switching and base station - Google Patents
It is a kind of to realize business initializtion redirection, the method for switching and base station Download PDFInfo
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- CN109151941A CN109151941A CN201710506177.2A CN201710506177A CN109151941A CN 109151941 A CN109151941 A CN 109151941A CN 201710506177 A CN201710506177 A CN 201710506177A CN 109151941 A CN109151941 A CN 109151941A
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- 238000000034 method Methods 0.000 title claims abstract description 149
- 230000008569 process Effects 0.000 claims abstract description 61
- 230000011664 signaling Effects 0.000 claims description 43
- 238000001514 detection method Methods 0.000 claims description 33
- 238000004590 computer program Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 9
- 230000001960 triggered effect Effects 0.000 claims description 7
- 230000008901 benefit Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 4
- 230000000977 initiatory effect Effects 0.000 description 4
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
- H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/26—Reselection being triggered by specific parameters by agreed or negotiated communication parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
Abstract
Realize that business initializtion redirects, the method for switching and base station detect the random access procedure that terminal executes when terminal UE initializes a business the present invention provides a kind of, triggering redirects process；In redirecting process, other goal systems, target frequency point or Target cell are redirected the terminal to, later, terminal need to reinitialize the business in other goal systems, target frequency point or Target cell.The features such as using the overlapping covering of multifrequency point, multisystem network, compensation covering, terminal is just redirected to other goal systems, target frequency point or Target cell before carrying is established, it can solve process collision problem, reduce the probability of failure of terminal initialization business, business initializtion time delay is reduced, calling and called is solved and exhales failure problem.
Description
Technical field
The present invention relates to business initializtion technologies, particularly relate to a kind of method for realizing business initializtion and redirecting, switching
The base station and.
Background technique
There are many high interference scenes in present communications network, such as atmospheric duct interferes, and high load scenarios and weak covers
Lid scene.Under these high interference scenes, it is possible that the voice service (VoLTE, Voice over LTE) based on IMS rises
The phenomenon that exhaling unsuccessfully.
Tradition has solved to exhale failure technology include: when VoLTE business is exhaled before ring switching (bSRVCC,
Single Radio Voice Call Continuity (SRVCC) before ringing) technology, rises in VoLTE and exhales process
In, this is conversed using single wireless voice calling continuity (eSRVCC, Enhanced the Single Radio enhanced
Voice Call Continuity) move to 2G rise exhale；It carries out switching in LTE system during VoLTE rises and exhales, passes through tradition
Switching flow switches to user adjacent with frequency or alien frequencies LTE cell.
BSRVCC technology, which can not solve to be called, exhales failure problem, and can not solve VoLTE service bearer establish complete before
Switching problem, and handover delay is longer than handover delay in LTE system.This is because: when carrying out eSRVCC switching, terminal UE
This cell signal and different system 2G frequency point can be measured, this cell signal lower than thresholding and 2G frequency point signal is higher than thresholding
Shi Caihui switches to 2G frequency point.
Handoff technique in LTE system has that switching flow conflicts with VoLTE service bearer Establishing process.This is
Cause are as follows: VoLTE rises when exhaling, and needs first to establish service bearer, then just can be carried out call；It is carrying out in LTE system with frequently or different
Before frequency switches, terminal UE can measure in advance same frequent point or alien frequencies frequency point, just can under conditions of meeting handoff threshold
Switching in LTE system occurs.When encountering such case, VoLTE service bearer is preferentially established, is then switched over again, therefore
In the presence of the risk establishing carrying failure or carrying and losing, in other words, carrying establish with the intra-system handover process that be two different,
The two is independent of each other, and it is possible to occur simultaneously, the two processes will generate conflict in this way, and base station needs to determine
Which process bottom first handles.
Summary of the invention
Technical problems to be solved of the embodiment of the present invention are to provide a kind of method for realizing business initializtion and redirecting, switching
And base station, to solve the problems, such as that existing handled exhales the technology of failure that can not solve to be called and exhale unsuccessfully and switching flow
The problem of conflicting with VoLTE service bearer Establishing process.
In order to solve the above technical problems, a kind of method realizing business initializtion and redirecting provided in an embodiment of the present invention,
Applied to base station, method includes:
When terminal UE initializes a business, the random access procedure that terminal executes is detected, triggering redirects process；
In redirecting process, other goal systems, target frequency point or Target cell are redirected the terminal to, later,
Terminal need to reinitialize the business in other goal systems, target frequency point or Target cell.
In the method, when terminal UE initializes a business, the random access procedure that terminal executes is detected, touching
Hair redirects process
In one business of terminal initialization, the company in terminal random access procedure in the upper random access signaling sent out is detected
It connects and establishes cause field；
If detecting that cause field is established in the connection is that calling terminal initializes a business, detection is current to be preset
Condition triggers the redirection process if the preset condition is more than threshold value.
In the method, the preset condition that current preset condition includes: detection base station itself is detected, and, pass through
Information exchange is carried out with adjacent base station to detect the preset condition of adjacent base station, the preset condition includes: wireless environment quality,
Interference, at least one of load condition and quality of service.
In the method, in redirecting process, other goal systems, target frequency point or mesh are redirected the terminal to
Marking cell includes:
In terminal random access procedure, it is handed down in the random access signaling of terminal and carries other goal systems, mesh
Mark frequency point or Target cell, random access signaling instruction terminal need to attempt to connect to other goal systems, target frequency point or
Person's Target cell；
In terminal random access procedure, carried in the reason of being handed down to the random access signaling of terminal value redirect it is former
Other goal systems, target frequency point are carried in cause or cause value perhaps carries the two portions in Target cell or cause value
Point, instruction terminal needs to attempt to connect to other goal systems, target frequency point or Target cell；
After base station receives the random access signaling of hair in the random access procedure, or industry after the completion of random access
Before business carrying is established, connection release message is issued to terminal, carried the reason of the connection release message in value and redirect reason,
It either carries other goal systems, target frequency point and perhaps Target cell or carries the two parts, instruction terminal needs to attempt
It is connected to other goal systems, target frequency point or Target cell；
It in terminal random access procedure, is handed down in the random access signaling of terminal, or the measurement control carried simultaneously
In message processed, instruction terminal measures to obtain metrical information to frequency point entrained in measurement control message；If terminal reports
Metrical information meet preset condition, then to terminal send redirect instruction, redirect instruction in carry redirect other targets
Perhaps Target cell instruction terminal needs to attempt to connect to other goal systems, target frequency point or target for system, target frequency point
Cell；
Before issuing random access signaling message to terminal, the random access signaling that detection terminal is sent to base station disappears for selection
The uplink transmission power of breath, selective redirects the terminal to suitably his goal systems, target frequency point or Target cell.
In the method, when terminal UE initializes a business, the random access procedure that terminal executes is detected, touching
Hair redirects process
Completing random access, and after establishing corresponding carrying, base station to belong to the data packet of the carrying into
Row deep-packet detection；
If detecting first kind message in carrying data packet, current preset condition is detected in base station, if preset condition
It has been more than threshold value, then has triggered redirection process.
A kind of base station realizing business initializtion and redirecting, comprising:
Detection unit, for detecting the random access procedure that terminal executes when terminal UE initializes a business, touching
Hair redirects process；
Redirect unit, for redirect process in, redirect the terminal to other goal systems, target frequency point or
Target cell, later, terminal need to reinitialize the business in other goal systems, target frequency point or Target cell.
A kind of base station realizing business initializtion and redirecting, including memory, processor and be stored on the memory
And the computer program that can be run on the processor；The processor realizes the realization business when executing described program
Initialize the method redirected.
A kind of computer readable storage medium, is stored thereon with computer program, realization when which is executed by processor
Step in the method for realizing business initializtion redirection.
A method of it realizing business initializtion switching, is applied to base station, method includes:
Random access is being completed, and after establishing corresponding carrying, base station carries out deep packet to carrying data packet
Detection；
If detecting calling terminal first kind message in carrying data packet, current preset condition is detected, if default
Condition has been more than threshold value, then triggers switching flow；
After completing switching flow, continue corresponding business in Target cell by terminal.
In the method, the preset condition that current preset condition includes: detection base station itself is detected, and, pass through
Information exchange is carried out with adjacent base station, detects the preset condition of adjacent base station；The preset condition includes: wireless environment quality,
Interference, at least one of load condition and quality of service.
In the method, switching flow is specifically included:
Context transfer is carried out with target BS, target BS reserves resource, and base station sends switching command, switching to terminal
The other systems or other frequency points or other cells that order instruction terminal switches to；And signaling plane and matchmaker are updated with core net
The routing information of dignity, to guarantee that follow-up data can be correctly transmitted to the target BS.
A kind of base station for realizing business initializtion switching, base station includes:
Change detection unit, for completing random access, and after establishing corresponding carrying, base station is to carrying
Data packet carries out deep-packet detection；
Switch unit, if being detected current pre- for detecting calling terminal first kind message in carrying data packet
If condition, if preset condition has been more than threshold value, switching flow is triggered；
After completing switching flow, continue voice service in Target cell by terminal.
A kind of base station realizing business initializtion and redirecting, including memory, processor and be stored on the memory
And the computer program that can be run on the processor；The processor realizes the realization business when executing described program
The method for initializing switching.
A kind of computer readable storage medium, is stored thereon with computer program, realization when which is executed by processor
Step in the method for realizing business initializtion switching.
Compared with prior art, a kind of method for realizing business initializtion and redirecting, switching provided in an embodiment of the present invention
And base station, at least have the advantages that the features such as covering using overlapping covering, the compensation of multifrequency point, multisystem network,
Terminal is just redirected to other goal systems, target frequency point or Target cell before establishing by carrying, can solve process punching
Prominent problem, reduces the probability of failure of terminal initialization business, reduces business initializtion time delay, solves calling and called and exhales unsuccessfully
Problem；And after carrying is established, if detecting, preset condition has been more than threshold value, is switched over, and after switching, terminal is in mesh
Mark cell continues corresponding business, and the experience of user has been ensured under several scenes.
Detailed description of the invention
Fig. 1 is the method flow schematic diagram that a kind of business initializtion redirects and switches；
Fig. 2, which attaches most importance to, orients flow diagram one；
Fig. 3 is to redirect signaling process schematic diagram one；
Fig. 4, which attaches most importance to, orients the schematic diagram two of process；
Fig. 5 is to redirect signaling process schematic diagram two；
Fig. 6, which attaches most importance to, orients the schematic diagram three of process；
Fig. 7 is to redirect signaling process schematic diagram three；
Fig. 8 is signaling process schematic diagram；
Fig. 9 is the flow diagram redirected again after random access procedure；
Figure 10 is a kind of method flow schematic diagram for realizing business initializtion switching.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.In the following description, such as specific configuration is provided and the specific detail of component is only
In order to help comprehensive understanding the embodiment of the present invention.It therefore, it will be apparent to those skilled in the art that can be to reality described herein
Example is applied to make various changes and modifications without departing from scope and spirit of the present invention.In addition, for clarity and brevity, it is omitted pair
The description of known function and construction.
In existing communication network, the outdoor F-band for deploying LTE mostly adds the double-layer network of D frequency range, while being superimposed 2G
GSM network, it is following also to dispose FDD network.
The embodiment of the present invention provides a kind of method that business initializtion redirects and switches, as shown in Figure 1, being applied to base
It stands, method includes:
Step 101, when terminal UE initializes a business, the random access procedure that terminal executes, triggering weight are detected
Orient process；
Step 102, in redirecting process, it is small that other goal systems, target frequency point or target are redirected the terminal to
Area, later, terminal need to reinitialize the business in other goal systems, target frequency point or Target cell.
Using technology provided in an embodiment of the present invention, the overlapping covering of multifrequency point, multisystem network, compensation covering etc. are utilized
Terminal is just redirected to other goal systems, target frequency point or Target cell before carrying is established, can solve by feature
Process collision problem reduces the probability of failure of terminal initialization business, reduces business initializtion time delay, ensures under several scenes
User experience.
In other goal systems, target frequency point or Target cell, other goal systems include: TDD-LTE, FDD-LTE,
TD-SCDMA, WCDMA and GSM etc., target frequency point include: 900MHz, 1800MHz, 2.3GHz and 2.6GHz etc., Target cell packet
It includes: the cell in homologous ray, such as 0~PCI of PCI 503.
In a preferred embodiment, when terminal UE initializes a business, the random access that terminal executes is detected
Process, triggering redirect process and include:
In one business of terminal initialization, the company in terminal random access procedure in the upper random access signaling sent out is detected
It connects and establishes cause field；
If detecting that cause field is established in the connection is that calling terminal initiates one business of initialization, detect currently
Preset condition triggers the redirection process if the preset condition is more than threshold value.
In a preferred embodiment, detecting current preset condition includes: to detect the preset condition of base station itself, with
And the preset condition of adjacent base station is detected by carrying out information exchange with adjacent base station, the preset condition includes: wireless ring
Border quality, interference, at least one of load condition and quality of service.
In an application scenarios, terminal UE initializes a business and specifically refers to: terminal UE carries out voice service and exhales
Process, then terminal UE is redirected to other systems or frequency point or cell in terminal random access procedure by base station, and terminal need to be
Target cell re-initiates the voice service, this includes:
After terminal initiation VoLTE voice rises and exhales process, the upper MSG3 sent out in terminal random access procedure is detected in base station
Cause field is established in the RRC connection that message-such as RRC connection is established in request RRCConnectionRequest, and RRC connection is established
Cause field includes at least: urgent call, high priority access, called access, the transmission of caller signalling, caller data and master
It cries and initiates audio call etc.；
If base station detects that the reason field in MSG3 message is " caller initiation audio call ", such as mo-
VoiceCall, then detect current preset condition, and preset condition includes: wireless environment quality, disturbed condition, load condition and industry
Quality of being engaged in etc.；
If preset condition has been more than threshold value, redirection process is triggered.
Wherein, base station detection current preset condition include: detect base station itself preset condition, can also by with other
Adjacent base station carries out information exchange, detects the preset condition of adjacent base station；If condition includes:
Wireless environment quality, such as RSRP, CQI, MCS；
Interference, such as SINR, uplink bottom make an uproar lifting (IoT)；
Load condition, such as PRB resources occupation rate, community user number, telephone traffic；
Quality of service, such as cell PDCP handling capacity, MOS and PDCP packet loss.
In a preferred embodiment, in redirecting process, other goal systems, target frequency point are redirected the terminal to
Or Target cell includes:
In terminal random access procedure, it is handed down in the random access signaling of terminal and carries other goal systems, mesh
Mark frequency point or Target cell, random access signaling instruction terminal need to attempt to connect to other goal systems, target frequency point or
Person's Target cell；
In terminal random access procedure, carried in the reason of being handed down to the random access signaling of terminal value redirect it is former
Other goal systems, target frequency point are carried in cause or cause value perhaps carries the two portions in Target cell or cause value
Point, instruction terminal needs to attempt to connect to other goal systems, target frequency point or Target cell；
After base station receives the random access signaling of hair in the random access procedure, or industry after the completion of random access
Before business carrying is established, connection release message is issued to terminal, carried the reason of the connection release message in value and redirect reason,
It either carries other goal systems, target frequency point and perhaps Target cell or carries the two parts, instruction terminal needs to attempt
It is connected to other goal systems, target frequency point or Target cell；
It in terminal random access procedure, is handed down in the random access signaling of terminal, or the measurement control carried simultaneously
In message processed, instruction terminal measures to obtain metrical information to frequency point entrained in measurement control message；If terminal reports
Metrical information meet preset condition, then to terminal send redirect instruction, redirect instruction in carry redirect other targets
Perhaps Target cell instruction terminal needs to attempt to connect to other goal systems, target frequency point or target for system, target frequency point
Cell；
Before issuing random access signaling message to terminal, the random access signaling that detection terminal is sent to base station disappears for selection
The uplink transmission power of breath, selective redirects the terminal to suitably his goal systems, target frequency point or Target cell.
In an application scenarios, redirect process realization be it is diversified, this includes:
Mode one, as shown in Figure 2 and Figure 3, after terminal UE initiation VoLTE voice rises and exhales process, it is random that UE is detected in base station
Cause field is established in RRC connection in access procedure in the upper MSG3 message sent out；
If base station detects that the reason field in MSG3 message is " caller initiation audio call ", such as mo-
VoiceCall, then detect whether the interference of this cell uplink has been more than threshold value；
If being more than threshold value, base station can be handed down to the MSG4 message-such as RRC of terminal UE in terminal UE random access procedure
Connection is established in RRCConnectionSetup, carries redirection target system or frequency point or cell information-such as
RedirectedCarrierInfo, the value of information can be explicit (such as 2.6GHz), can also be implicit (such as f1, f2), instruction is eventually
End UE needs to attempt to connect to goal systems or frequency point or cell in next step；
Terminal UE needs to re-initiate the business in Target cell immediately after receiving RRCConnectionSetup.
Mode two, as shown in Figure 4, Figure 5, base station detect that the reason of terminal UE random access MSG3 message carries value is
mo-VoiceCall；
Detect whether the interference of this cell uplink has been more than threshold value；
If being more than threshold value, base station can be handed down to the MSG4 message-such as RRC of terminal UE in terminal UE random access procedure
Connection, which is refused to carry in the reason of RRCConnectionReject value, redirects reason-such as rejectCause:
Redirection or redirection target system or frequency point or cell information-such as redirectedCarrierInfo or above-mentioned two
Part includes that the value of information can be explicit (such as 2.6GHz), can also be implicit (such as f1, f2) that instruction UE needs in next step
Attempt to connect to goal systems or frequency point or cell；
Terminal UE needs to re-initiate the business in Target cell immediately after receiving MSG4.
Mode three, as shown in Figure 6, Figure 7, base station detect that the reason of UE random access MSG3 message carries value is mo-
VoiceCall；
Detect whether the interference of this cell uplink has been more than threshold value；
It, can also be in random access after base station can receive in the random access procedure MSG3 message if being more than threshold value
Before service bearer is established after the completion, RRC connection release message-such as RRCConnectionRelease is issued to UE, the original of message
Reason-such as releaseCause:redirection or redirection target system or frequency point or cell are redirected because carrying in value
Information-such as redirectedCarrierInfo or above-mentioned two parts include that the value of information can be explicit (such as 2.6GHz),
It can also be implicit (such as f1, f2) that instruction terminal UE needs to attempt to connect to goal systems or frequency point or cell in next step；
Terminal UE needs to re-initiate the business in Target cell immediately after receiving RRCConnectionRelease.
Similarly, as shown in figure 8, base station is after receiving MSG5, base station is sent to terminal UE
RRCConnectionRelease message mode, this includes: in the process
Base station detects that UE QCI5 carrying packet content is INVITE message, if it is determined that neighboring community's uplink interference is small
In this cell, base station issues redirection instruction (such as RRCConnectionRelease) immediately, and carries redirection carrier information
(such as redirectedCarrierInfo), the routing information of signaling plane and medium surface is updated with core net, and UE is receiving redirection
After order, need to re-initiate the business in Target cell immediately.
Mode four, can terminal UE is handed down in base station in terminal UE random access procedure MSG4 message-i.e. RRC connection build
Measurement control message-such as measConfig can also be carried in vertical RRCConnectionSetup simultaneously, instruction terminal UE is to survey
Entrained frequency point measures in amount control message；If the metrical information that UE is reported meets preset condition, sent out to terminal UE
Redirection instruction-such as RRCConnectionRelease is sent, carries redirection target system or frequency point or cell letter in the message
Breath-such as redirectedCarrierInfo, the value of information can be explicit (such as 2.6GHz), can also be implicit (such as f1, f2),
Instruction UE needs to attempt to connect to goal systems or frequency point or cell in next step；
Mode five, base station may be selected before issuing above-mentioned message to terminal UE, and detection terminal UE is sent to the MSG3 of base station
Terminal UE is selectively redirected to suitable cell by the uplink transmission power of message；Detailed process can include:
If above-mentioned uplink transmission power is more than threshold value, it can tentatively judge that the terminal UE is in cell edge or high interference field
Scape, and select the terminal UE being redirected to adjacent homologous ray alien frequencies or different system cell；If above-mentioned uplink transmission power does not surpass
Threshold value is crossed, then can tentatively judge that the terminal UE is in center of housing estate or low interference scene, it can according to actual needs, by the terminal UE
Be redirected to covering Chong Die with this cell or this frequency point homologous ray alien frequencies or different system cell；Base station can not also select detection eventually
UE uplink transmission power is held, is directly the specified goal systems redirected of terminal UE or frequency point or cell.
In a preferred embodiment, terminal UE need to re-initiate initially after receiving redirection order in Target cell
Change business can not be disconnected actively.
Redirect process can not only occur in the random access procedure, can also occur at random access procedure it
Afterwards.As shown in figure 9, in a preferred embodiment, when terminal UE initializes a business, detecting that terminal executes random
Access procedure, triggering redirect process and include:
Random access is being completed, and after establishing corresponding carrying, base station carries out deep packet to carrying data packet
Detection；
If detecting first kind message in carrying data packet, current preset condition is detected in base station, if preset condition
It has been more than threshold value, then has triggered redirection process.First kind message specifically can be invitation (INVITE) message of calling terminal.
In an application scenarios, for VoLTE business-i.e. voice call service type, random access, QCI9 with
QCI5 establish complete after, base station to QCI5 data packet carry out deep-packet detection, the data packet may for invite (INVITE),
PRACK, UPDATE etc.；
If it is detected that INVITE message, current preset condition is detected in base station, such as wireless environment quality, disturbed condition, bears
Lotus situation and quality of service etc. trigger redirection process if preset condition is more than threshold value；
Current preset condition is detected in above-mentioned base station, can be to detect itself preset condition, can also be by adjacent with other
Base station carries out information exchange, detects adjacent base station preset condition.
QCI9 refers to that the default bearing of transmitting data service, QCI5 refer to the default bearing of SIP signaling.
During realizing that business initializtion redirects, business initializtion switches, need to relate to between base station and terminal
And parameter detected, transmitted, wherein QoS Class Identifier is a scale value, is specifically mentioned for measuring
The packet for supplying server data stream (SDF) forwards behavior (such as packet loss, Packet Delay Budget), it is applied to GBR and Non-GBR simultaneously
Carrying, for specifying the control defined in accessed node carrying grade grouping pass-through mode-such as dispatch weight, receiving thresholding, queue
Thresholding, link layer protocol configuration etc. are managed, these are all pre-configured in access network node by operator.
The embodiment of the present invention provides a kind of base station realizing business initializtion and redirecting, comprising:
Detection unit, for detecting the random access procedure that terminal executes when terminal UE initializes a business, touching
Hair redirects process；
Redirect unit, for redirect process in, redirect the terminal to other goal systems, target frequency point or
Target cell, later, terminal need to reinitialize the business in other goal systems, target frequency point or Target cell.
In a preferred embodiment, detection unit includes:
Trigger module in the process, in one business of terminal initialization, detecting upper hair in terminal random access procedure
Random access signaling in connection establish cause field；
If detecting that cause field is established in the connection is that calling terminal initiates one business of initialization, detect currently
Preset condition triggers the redirection process if the preset condition is more than threshold value.
In a preferred embodiment, redirecting unit includes:
Redirecting unit includes:
The first module is redirected, for being handed down in the random access signaling of terminal and taking in terminal random access procedure
With other goal systems, target frequency point or Target cell, random access signaling instruction terminal needs to attempt to connect to other
Goal systems, target frequency point or Target cell；
The second module is redirected, for being handed down to the original of the random access signaling of terminal in terminal random access procedure
Other goal systems, target frequency point or Target cell, Huo Zheyuan are carried because carrying to redirect in reason or cause value in value
Because carrying the two parts in value, instruction terminal needs to attempt to connect to other goal systems, target frequency point or Target cell；
Third module is redirected, after the random access signaling for receiving upper hair in the random access procedure for base station, or
Person before service bearer foundation, issues connection release message to terminal, the original of the connection release message after the completion of random access
Reason is redirected because carrying in value, other goal systems, target frequency point is either carried and perhaps Target cell or carries the two
Part, instruction terminal need to attempt to connect to other goal systems, target frequency point or Target cell；
The 4th module is redirected, is used in terminal random access procedure, is handed down in the random access signaling of terminal, or
In the measurement control message that person carries simultaneously, instruction terminal measures frequency point entrained in measurement control message and is surveyed
Measure information；If the metrical information that terminal reports meets preset condition, sent to terminal and redirect instruction, redirected and taken in instruction
Band redirects other goal systems, target frequency point or Target cell, instruction terminal need to attempt to connect to other goal systems,
Target frequency point or Target cell；
The 5th module is redirected, for selecting before issuing random access signaling message to terminal, detection terminal is sent to
The uplink transmission power of the random access signaling message of base station, it is selective redirect the terminal to his suitable goal systems,
Target frequency point or Target cell.
In a preferred embodiment, detection unit includes:
Trigger module after process, for completing random access, and after establishing corresponding carrying, base station is to holding
It carries data packet and carries out deep-packet detection；
If detecting INVITE message in carrying data packet, current preset condition is detected in base station, if preset condition
It has been more than threshold value, then has triggered redirection process.
Specifically, trigger module after process, for after the completion of random access, QCI9 and QCI5 are established, base station to be to QCI5
Data packet carries out deep-packet detection；
If it is detected that INVITE message, current preset condition is detected in base station, if preset condition has been more than threshold value, touches
Hair redirects process.
Inventive embodiments provide a kind of base station realizing business initializtion and redirecting, including memory, processor and storage
On the memory and the computer program that can run on the processor；The processor is realized when executing described program
The method realizing business initializtion and redirecting.
The embodiment of the present invention provides a kind of computer readable storage medium, is stored thereon with computer program, the program quilt
The step in the method for realizing business initializtion redirection is realized when processor executes.
As shown in Figure 10, the embodiment of the present invention provides a kind of method for realizing business initializtion switching, is applied to base station, side
Method includes:
Random access is being completed, and after establishing corresponding carrying, base station carries out deep packet to carrying data packet
Detection；
If detecting calling terminal first kind message in carrying data packet, current preset condition is detected, if default
Condition has been more than threshold value, then triggers switching flow；
After completing switching flow, continue corresponding business in Target cell by terminal.
Using technology provided in an embodiment of the present invention, the overlapping covering of multifrequency point, multisystem network, compensation covering etc. are utilized
Feature, after carrying is established, if detecting, preset condition has been more than threshold value, is switched over, and after switching, terminal is in Target cell
Continue corresponding business, the experience of user has been ensured under several scenes.
In a preferred embodiment, detecting current preset condition includes: to detect the preset condition of base station itself, with
And by carrying out information exchange with adjacent base station, detect the preset condition of adjacent base station；The preset condition includes: wireless ring
Border quality, interference, at least one of load condition and quality of service.
In a preferred embodiment, switching flow specifically includes:
Context transfer is carried out with target BS, target BS reserves resource, and base station sends switching command, switching to terminal
The other systems or other frequency points or other cells that order instruction terminal switches to；And signaling plane and matchmaker are updated with core net
The routing information of dignity, to guarantee that follow-up data can be correctly transmitted to the target BS.
Calling terminal first kind message is INVITE message, in a preferred embodiment, random access, QCI9 with
QCI5 establish after the completion of, base station to QCI5 data packet carry out deep-packet detection, the data packet may for INVITE, PRACK,
UPDATE etc.；
If it is detected that INVITE message, current preset condition is detected in base station, such as wireless environment quality, disturbed condition, bears
Lotus situation, quality of service etc. trigger redirection process if being more than threshold value.
In a preferred embodiment, triggering redirects process can include: base station sends to terminal UE and redirects instruction, example
Such as RRCConnectionRelease, redirection carrier information should be carried by redirecting in instruction, such as
RedirectedCarrierInfo, instruction terminal UE need to attempt to be resident specified other systems or other frequency points in next step
Or other cells；
Terminal UE need to re-initiate voice service in Target cell after receiving redirection order, it is not possible to actively disconnect
Connection.
Base station detect current preset condition, can for detect itself preset condition, can also by with other adjacent base stations
Information exchange is carried out, adjacent base station preset condition is detected.
The embodiment of the present invention provides a kind of base station for realizing business initializtion switching, and base station includes:
Change detection unit, for completing random access, and after establishing corresponding carrying, base station is to carrying
Data packet carries out deep-packet detection；
Switch unit, if being detected current pre- for detecting calling terminal first kind message in carrying data packet
If condition, if preset condition has been more than threshold value, switching flow is triggered；
After completing switching flow, continue voice service in Target cell by terminal.
In a preferred embodiment, switch unit includes:
Interactive unit between base station, for carrying out context transfer with target BS, target BS reserves resource；
Switching command module, for sending switching command to terminal, other systems that instruction terminal can switch to or other
Frequency point or other cells；
Update module, for updating the routing information of signaling plane and medium surface with core net, to guarantee that follow-up data can
It is correctly transmitted to target BS.
The embodiment of the present invention provides a kind of base station realizing business initializtion and redirecting, including memory, processor and deposits
Store up the computer program that can be run on the memory and on the processor；The processor executes real when described program
The existing method for realizing business initializtion switching.
The embodiment of the present invention provides a kind of computer readable storage medium, is stored thereon with computer program, the program quilt
The step in the method for realizing business initializtion switching is realized when processor executes.
Technology provided in an embodiment of the present invention utilizes the spies such as the overlapping covering of multifrequency point, multisystem network, compensation covering
Terminal is just redirected to other goal systems, target frequency point or Target cell before carrying is established, can solve stream by point
Journey collision problem reduces the probability of failure of terminal initialization business, reduces business initializtion time delay, solves calling and called and exhales
Failure problem；And after carrying is established, if detecting, preset condition has been more than threshold value, is switched over, and after switching, terminal
Continue corresponding business in Target cell, the experience of user has been ensured under several scenes.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is related with embodiment
A particular feature, structure, or characteristic is included at least one embodiment of the present invention.Therefore, occur everywhere in the whole instruction
" in one embodiment " or " in one embodiment " not necessarily refer to identical embodiment.In addition, these specific features, knot
Structure or characteristic can combine in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be appreciated that the size of the serial number of following each processes is not meant to execute suitable
Sequence it is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present invention
Process constitutes any restriction.
In addition, the terms " system " and " network " are often used interchangeably herein.
It should be understood that the terms "and/or", only a kind of incidence relation for describing affiliated partner, expression can deposit
In three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.
In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
In embodiment provided herein, it should be appreciated that " B corresponding with A " indicates that B is associated with A, can be with according to A
Determine B.It is also to be understood that determine that B is not meant to determine B only according to A according to A, it can also be according to A and/or other information
Determine B.
In the embodiment of the present invention, source base station is base station belonging to terminal current service cell, and target BS is terminal switching
Target cell belonging to base station.In an embodiment of the present invention, the form of the base station is unlimited, can be macro base station (Macro
Base Station), micro-base station (Pico Base Station), Node B (address of the mobile base station 3G), enhanced base station
(eNB), family's enhanced base station (Femto eNB or Home eNode B or Home eNB or HeNB), relay station, access point,
RRU (Remote Radio Unit, far-end RF module), RRH (Remote Radio Head, remote radio head) etc..It is described
Terminal can be mobile phone (or mobile phone) or other equipment that can send or receive wireless signal, including user equipment
(UE), personal digital assistant (PDA), radio modem, wireless communication device, hand-held device, laptop computer, wireless
Phone, wireless local loop (WLL) stand, movable signal can be converted to CPE (the Customer Premise of WiFi signal
Equipment, client terminal) or intelligent movable hot spot, intelligent appliance or other obstructed remarkable operations can it is spontaneous with it is mobile
The equipment etc. of communication.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (14)
1. a kind of method realizing business initializtion and redirecting, which is characterized in that be applied to base station, method includes:
When terminal UE initializes a business, the random access procedure that terminal executes is detected, triggering redirects process；
In redirecting process, other goal systems, target frequency point or Target cell, later, terminal are redirected the terminal to
The business need to be reinitialized in other goal systems, target frequency point or Target cell.
2. the method as described in claim 1, which is characterized in that when terminal UE initializes a business, detect that terminal is held
Capable random access procedure, triggering redirect process and include:
In one business of terminal initialization, detects the connection in terminal random access procedure in the upper random access signaling sent out and build
Vertical cause field；
If detecting that cause field is established in the connection is that calling terminal initializes a business, current default item is detected
Part triggers the redirection process if the preset condition is more than threshold value.
3. method according to claim 2, which is characterized in that detecting current preset condition includes: detection base station itself
Preset condition, and, the preset condition of adjacent base station, the preset condition are detected by carrying out information exchange with adjacent base station
It include: wireless environment quality, interference, at least one of load condition and quality of service.
4. the method as described in claim 1, which is characterized in that in redirecting process, redirect the terminal to other targets
System, target frequency point or Target cell include:
In terminal random access procedure, it is handed down in the random access signaling of terminal and carries other goal systems, target frequency
Perhaps Target cell random access signaling instruction terminal needs to attempt to connect to other goal systems, target frequency point or mesh to point
Mark cell；
In terminal random access procedure, is carried in the reason of being handed down to the random access signaling of terminal value and redirect reason, or
Other goal systems, target frequency point are carried in person's cause value and perhaps carries the two parts in Target cell or cause value, are referred to
Show that terminal needs to attempt to connect to other goal systems, target frequency point or Target cell；
After base station receives the random access signaling of hair in the random access procedure, or after the completion of random access business is held
It carries before establishing, issues connection release message to terminal, carried in value the reason of the connection release message and redirect reason, or
It carries other goal systems, target frequency point and perhaps Target cell or carries the two parts, instruction terminal needs to attempt connection
To other goal systems, target frequency point or Target cell；
It in terminal random access procedure, is handed down in the random access signaling of terminal, or the measurement control carried simultaneously disappears
In breath, instruction terminal measures to obtain metrical information to frequency point entrained in measurement control message；If the survey that terminal reports
Amount information meet preset condition, then to terminal send redirect instruction, redirect instruction in carry redirect other goal systems,
Perhaps Target cell instruction terminal needs to attempt to connect to other goal systems, target frequency point or Target cell to target frequency point；
Before issuing random access signaling message to terminal, detection terminal is sent to the random access signaling message of base station for selection
Uplink transmission power, selective redirects the terminal to suitably his goal systems, target frequency point or Target cell.
5. the method as described in claim 1, which is characterized in that when terminal UE initializes a business, detect that terminal is held
Capable random access procedure, triggering redirect process and include:
Random access is being completed, and after establishing corresponding carrying, base station carries out the data packet for belonging to the carrying deep
Degree packet detection；
If detecting first kind message in carrying data packet, current preset condition is detected in base station, if preset condition is more than
Threshold value, then trigger redirection process.
6. a kind of base station realizing business initializtion and redirecting characterized by comprising
Detection unit, for when terminal UE initializes a business, detecting the random access procedure that terminal executes, triggering weight
Orient process；
Unit is redirected, for redirecting the terminal to other goal systems, target frequency point or target in redirecting process
Cell, later, terminal need to reinitialize the business in other goal systems, target frequency point or Target cell.
7. a kind of base station realizing business initializtion and redirecting, including memory, processor and be stored on the memory simultaneously
The computer program that can be run on the processor；It is characterized in that, the processor is realized when executing described program as weighed
Benefit requires the described in any item methods realizing business initializtion and redirecting of 1-5.
8. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is held by processor
The step in the method for realization business initializtion redirection as claimed in any one of claims 1 to 5 is realized when row.
9. a kind of method for realizing business initializtion switching, which is characterized in that be applied to base station, method includes:
Random access is being completed, and after establishing corresponding carrying, base station carries out deep-packet detection to carrying data packet；
If detecting calling terminal first kind message in carrying data packet, current preset condition is detected, if preset condition
It has been more than threshold value, then has triggered switching flow；
After completing switching flow, continue corresponding business in Target cell by terminal.
10. method as claimed in claim 9, which is characterized in that detecting current preset condition includes: detection base station itself
Preset condition, and, by carrying out information exchange with adjacent base station, detect the preset condition of adjacent base station；The preset condition
It include: wireless environment quality, interference, at least one of load condition and quality of service.
11. method as claimed in claim 9, which is characterized in that switching flow specifically includes:
Context transfer is carried out with target BS, target BS reserves resource, and base station sends switching command, switching command to terminal
The other systems or other frequency points or other cells that instruction terminal switches to；And signaling plane and medium surface are updated with core net
Routing information, to guarantee that follow-up data can be correctly transmitted to the target BS.
12. a kind of base station for realizing business initializtion switching, which is characterized in that base station includes:
Change detection unit, for completing random access, and after establishing corresponding carrying, base station is to carrying data
Packet carries out deep-packet detection；
Switch unit, if detecting current default item for detecting calling terminal first kind message in carrying data packet
Part triggers switching flow if preset condition has been more than threshold value；
After completing switching flow, continue voice service in Target cell by terminal.
13. a kind of base station realizing business initializtion and redirecting, including memory, processor and be stored on the memory simultaneously
The computer program that can be run on the processor；It is characterized in that, the processor is realized when executing described program as weighed
Benefit requires the described in any item methods for realizing business initializtion switching of 9-11.
14. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
The step in the method such as the described in any item realization business initializtion switchings of claim 9~11 is realized when execution.
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| CN201710506177.2A CN109151941B (en) | 2017-06-28 | 2017-06-28 | Method and base station for implementing service initialization redirection and switching |
| PCT/CN2018/091536 WO2019001293A1 (en) | 2017-06-28 | 2018-06-15 | Method and base station for implementing service initialisation redirection and switching |
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| CN201710506177.2A CN109151941B (en) | 2017-06-28 | 2017-06-28 | Method and base station for implementing service initialization redirection and switching |
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| WO2019001293A1 (en) | 2019-01-03 |
| CN109151941B (en) | 2020-07-07 |
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