CN106255157B - A method of redirection process between optimization multimode user terminal mode - Google Patents
A method of redirection process between optimization multimode user terminal mode Download PDFInfo
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- CN106255157B CN106255157B CN201610268555.3A CN201610268555A CN106255157B CN 106255157 B CN106255157 B CN 106255157B CN 201610268555 A CN201610268555 A CN 201610268555A CN 106255157 B CN106255157 B CN 106255157B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The method that the present invention proposes redirection process between a kind of optimization multimode user terminal mode: UE is received after connection release message comprising redirection parameter completes Connection Release, first redirection list is expanded according to the adjacent cell list saved in former operating mode, initiates the blind possibility for searching cell selection procedure under reduction target pattern as far as possible；If frequency point/cell in redirection list cannot be all resident, the blind cell selection procedure searched is executed under target pattern, when receive it is blind search measurement result when remove first front be resident unsuccessful cell (that is: the cell that cannot be resident before being no longer attempt to), UE is allowed to attempt in other cells as early as possible resident, to accelerate the blind cell selection procedure searched.Effectively shorten redirection process time delay, Optimizing Flow reduces UE power consumption.
Description
Technical field
The invention belongs between optimization multimode user terminal (abbreviation UE) mode in a kind of mobile communication system higher-layer protocols
The method of (redirection) process of redirection is related to the method for redirection process time delay between shortening multimode user terminal mode.
Background technique
In mobile communication system, with the fast development of technology and evolution, Multi net voting technology long-term co-existence has been out of question
The fact, multimode user terminal is also widely applied and popularizes.It is each advantageous for current multiple network technologies, than
Such as: 2G mode network coverage rate is high, circuit domain business (CS business) is stablized；Packet switch domain service (PS business) rate of 4G mode is high
But coverage rate is relatively low；3G mode is then therebetween.Therefore, in the case where current Multi net voting technology alternate covering,
When multimode user terminal executes different business, network can trigger system according to factors such as type of service, power system capacity, signal qualities
Between conversion (such as switching, redirection).
Higher-layer protocols include access layer (Access Stratum, AS) and Non-Access Stratum (Non-Access Stratum,
NAS), wherein the wireless heterogeneous networks module (abbreviation RRC) of access layer is responsible for wireless resource management.In general, according to UE and network
Between UE is divided into idle mode and connected mode with the presence or absence of RRC connection (corresponding under 2G mode is RR connection).In the free time
It under mode, is connected between UE and network without RRC, UE only receives downlink network message.When service execution by user, UE is initiated the connection
Request is established, UE enters connection mode after RRC connection is successfully established.At the end of customer service, network initiates the connection release, UE
Idle mode is returned to after completing Connection Release.
Redirection process refers to when the connection mode lower network of a mould initiates the connection release between mode, network requirement UE
Another mode (for example the speech under 4G mode falls process, CSFB process after rise) is preferentially resident after release connection, i.e., network exists
It is configured with the parameter information of redirection target mode in connection release message, is related to channel release of 2G, 3G/4G
Rrc connection release message.
It is described according to 3GPP related protocol, when network requirement UE is redirected to other modes, UE should preferentially be resident network
Specified frequency point or cell continues to attempt to be resident in other cells of designated mode, if still can not if resident failure
When finding the cell for meeting and being resident, then returns to original operating mode (referred to as proterotype) and attempt resident, the specific stream of Current protocols
Journey is as follows:
1. the multimode UE under connection mode initiates new business, network is according to customer service request, power system capacity
Etc. information judgement when UE being needed to be redirected to other modes, network is sent to multimode UE to be carried the Connection Release of redirection parameter and disappears
Breath.
2. the connection release message that the access layer (being denoted as AS1) of multimode UE current operation mode receives network (wherein carries
Have the redirection redirection parameter of other modes) after, message content is saved, Connection Release process is executed, then requests mesh
Mark mode executes redirection process, i.e., sends redirection request signal to the AS of target pattern (being denoted as AS2) and (releasing comprising network
Put the frequency point/cell information configured in message).
3. the AS2 of target pattern receives redirection request, redirection process (namely execution cell selection procedure) is completed
Afterwards, it is sent to the AS1 of proterotype and redirects confirmation signal, indicate redirection process success or failure.It specifically includes:
1) according to parameter information, the frequency point of the redirection list of network configuration/cell is carried out first signal quality measured；
2) it after receiving measurement result, sorts to measured value, by signal quality from by force to weak sequence, receive each cell is
Message of uniting successively attempts next cell if decoding failure or cell are unsatisfactory for resident condition.If in these cells
The cell for meeting resident condition is found, then is resident in the cell, terminates cell selection procedure, while AS2 is to the AS1 of proterotype
It sends and redirects confirmation signal, instruction redirection process success enters step 4；Enter if these cells cannot be all resident
Step 3)；
3) AS2 initiates the blind cell selection procedure searched, and attempts to be resident other cells in this mode；
4) (redirection process is meant that whether cell is chosen successfully after the completion of the blind cell selection procedure searched under target pattern
Success or not), AS2 is sent to AS1 redirects confirmation signal, instruction redirection process result (the i.e. knot that cell selects under AS2
Fruit)；
4. after receiving confirmation signal, the AS1 of proterotype is redirected to NAS instruction as a result, being executed simultaneously according to Different Results
Different process flows, redirection process terminate.
Between mode in the prior art of redirection process, when UE finds persistent district under target pattern, if net
The frequency point or cell of network configuration are all unsatisfactory for resident condition, and UE then executes the blind cell selection procedure searched under target pattern, try
Figure finds other cells that can be resident, which is that the frequency point in the frequency range to supports all under target pattern detects.
It takes a long time, and power consumption is larger.
Summary of the invention
In consideration of it, the present invention proposes a kind of method for optimizing multimode UE redirection process, namely shorten UE in target pattern
The method of lower cell selection time delay.The concrete scheme process of the method for the present invention is as follows:
S1. when the multimode UE under connection mode initiates new business, network is according to customer service request, power system capacity
Etc. information judgement when UE being needed to be redirected to other modes, network is sent to multimode UE to be carried the Connection Release of redirection parameter and disappears
Breath.
S2. the connection release message that the access layer (being denoted as AS1) of multimode UE current operation mode receives network (wherein carries
Have the redirection redirection parameter of other modes) after, message content is saved, Connection Release process is executed.
After the current connection of S3.UE release, AS1 believes the adjacent cell of the redirection target mode saved under current operation mode
Breath (such as adjacent cell in measurement control message or system message) is added in the redirection cell list of network configuration, requests
Target pattern executes redirection process, i.e., sends redirection request signal to the AS of target pattern (being denoted as AS2) and (exist comprising network
The adjacent cell list saved under the frequency point/cell information and proterotype that are configured in release message).
S4. the AS2 of target pattern receives redirection request, completes redirection process (namely execution cell selection procedure)
Afterwards, it is sent to the AS1 of proterotype and redirects confirmation signal, indicate redirection process success or failure.
S5. after receiving confirmation signal, the AS1 of proterotype is redirected to NAS instruction as a result, being executed simultaneously according to Different Results
Different process flows, redirection process terminate.
Further, in step s 4, detailed process includes:
S41. according to parameter information, the frequency point in redirection list/cell is carried out first signal quality measured；
S42. it after receiving measurement result, sorts to measured value, by signal quality to weak sequence, receiving each cell by force
System message successively attempts next cell if decoding failure or cell are unsatisfactory for resident condition.If in these cells
In find the cell for meeting resident condition, then be resident in the cell, terminate cell selection procedure, while AS2 is to proterotype
AS1, which is sent, redirects confirmation signal, and instruction redirection process success enters step S5；If these cells cannot be all resident
Enter step S43；
S43.AS2 initiates the blind cell selection procedure searched, and attempts to be resident other cells in this mode: measuring all supports
Cell in frequency range, receives to delete in previous step S42 from measurement cell list first after measurement result and selects the small of failure
Area is formed new cell list (fail cell be no longer attempt to), and according to signal quality from by force to weak to ranking cells, according to
It is secondary to attempt to find the cell for meeting resident condition；
S44. if finding the cell (the i.e. blind cell searched is chosen successfully) that can be resident under target pattern, AS2 is to original
The AS1 of mode, which is sent, redirects successful confirmation signal；Otherwise, AS2 sends the confirmation signal for redirecting failure to AS1；
The effect of optimization of the method for the present invention is: when UE is resident under proterotype, the target pattern that periodic measurement arrives is adjacent
Cell is usually all the preferable adjacent area of signal, these neighboring BS information known are made full use of in repositioning process, accelerates weight
Position fixing process；Meanwhile if executed under target pattern it is blind search cell selection if, illustrate that resident all frequencies are attempted in front
Point/cell is all unsatisfactory for resident condition and therefore searches in the cell list measured blind, delete front these attempted it is small
Area, quickening is blind to search cell selection procedure, shortens redirection process time delay, optimizes process, and be effectively reduced UE power consumption, thus
Improve the experience of user.
Detailed description of the invention
In order to be more clear the purpose of the present invention, technical scheme and beneficial effects, the present invention provides following attached drawing and carries out
Illustrate:
Fig. 1 is the flow diagram of existing method；
Fig. 2 is the flow diagram of the method for the invention.
Specific embodiment
Below in conjunction with attached drawing, the preferred embodiment of the method for the present invention is described in detail.
In order to shorten multimode UE redirection process time delay, the present invention proposes that a kind of optimization redirection process (shortens and redirects
Time delay) processing method (that is: redirection list is added in adjacent cell proterotype saved, while executing and blind searching in target pattern
Cell removes the cell of the resident failure in front when selecting), the flow diagram of this method is as shown in Fig. 2, this method specifically includes
Following steps:
S1. when the multimode UE under connection mode initiates new business, network is according to customer service request, power system capacity
Etc. information judgement when UE being needed to be redirected to other modes, network is sent to multimode UE to be carried the Connection Release of redirection parameter and disappears
Breath.
S2. the connection release message that the access layer (being denoted as AS1) of multimode UE current operation mode receives network (wherein carries
Have the redirection redirection parameter of other modes) after, message content is saved, Connection Release process is executed.
After the current connection of S3.UE release, AS1 believes the adjacent cell of the redirection target mode saved under current operation mode
Breath (such as adjacent cell in measurement control message or system message) is added in the redirection cell list of network configuration, requests
Target pattern executes redirection process, i.e., sends redirection request signal to the AS of target pattern (being denoted as AS2) and (exist comprising network
The adjacent cell list saved under the frequency point/cell information and proterotype that are configured in release message).
S4. the AS2 of target pattern receives redirection request, completes redirection process (namely execution cell selection procedure)
Afterwards, it is sent to the AS1 of proterotype and redirects confirmation signal, indicate redirection process success or failure.
S41. according to parameter information, the frequency point in redirection list/cell is carried out first signal quality measured；
S42. it after receiving measurement result, sorts to measured value, by signal quality to weak sequence, receiving each cell by force
System message successively attempts next cell if decoding failure or cell are unsatisfactory for resident condition.If in these cells
In find the cell for meeting resident condition, then be resident in the cell, terminate cell selection procedure, while AS2 is to proterotype
AS1, which is sent, redirects confirmation signal, and instruction redirection process success enters step S5；If these cells cannot be all resident
Enter step S43；
S43.AS2 initiates the blind cell selection procedure searched, and attempts to be resident other cells in this mode: measuring all supports
Cell in frequency range, receives to delete in previous step S42 from measurement cell list first after measurement result and selects the small of failure
Area is formed new cell list (fail cell be no longer attempt to), and according to signal quality from by force to weak to ranking cells, according to
It is secondary to attempt to find the cell for meeting resident condition；
S44. if finding the cell (the i.e. blind cell searched is chosen successfully) that can be resident under target pattern, AS2 is to original
The AS1 of mode, which is sent, redirects successful confirmation signal；Otherwise, AS2 sends the confirmation signal for redirecting failure to AS1；
S5. after receiving confirmation signal, the AS1 of proterotype is redirected to NAS instruction as a result, being executed simultaneously according to Different Results
Different process flows, redirection process terminate.
In attached drawing 1, after UE release connection, the redirection that the AS1 of proterotype directly configures network in release message is believed
Breath is sent to target pattern AS2；When these frequency point/cells are all unsatisfactory for resident condition, AS2 executes the frequency point of all supports
The blind cell selection procedure searched.
In attached drawing 2, after UE release connection, the adjacent cell of the target pattern saved under this mode is added to redirection list
In, it is formed after new redirection list and sends redirection request to AS2；If these cells cannot be all resident, subsequent AS2 is initiated
When the blind cell selection searched, then the cell that selection failure is attempted in front is removed from blind search in cell list, to accelerate blind search
Cell selection procedure.
Comparison diagram 1, Fig. 2 process in Fig. 2, are received after connection release message releases connection, are first saved according in proterotype
Adjacent cell list redirection list is expanded, initiate the possibility of the blind cell selection procedure searched under reduction AS2 as far as possible；Afterwards
If frequency point/cell of continuous redirection list cannot be all resident, when AS2 executes the blind cell selection procedure searched, remove front not
The cell that can be resident allows UE to attempt in other cells as early as possible resident, to accelerate cell selection procedure.It can be seen that this hair
Bright method can shorten redirection process time delay well, can also reduce UE power consumption, achieve the purpose that Optimizing Flow.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, without departing substantially from this
In the case where the spirit and its essence of inventive method, those skilled in the art in accordance with the present invention method make it is a variety of corresponding
Change, these belong to the range that the method for the present invention claims are protected.
Claims (2)
1. a kind of method of redirection process between optimization multimode user terminal mode, it is characterised in that: the following steps are included:
S1. when the multimode UE under connection mode initiates new business, network is believed according to customer service request and power system capacity
When breath judgement needs UE to be redirected to other modes, network sends the connection release message for carrying redirection parameter to multimode UE；
S2. the access layer of multimode UE current operation mode, is denoted as AS1, after the connection release message for receiving network, saves in message
Hold, executes Connection Release process；The redirection redirection parameter of other modes is carried in connection release message；
After the current connection of S3.UE release, AS1 adds the information of adjacent cells of the redirection target mode saved under current operation mode
It is added in the redirection cell list of network configuration, request target mode executes redirection process, i.e., to the AS of target pattern, note
For AS2, redirection request signal is sent, is protected under the frequency point/cell information and proterotype that are configured in release message comprising network
The adjacent cell list deposited；
S4. the AS2 of target pattern receives redirection request, after completing redirection process, i.e., after execution cell selection procedure, to original
The AS1 of mode, which is sent, redirects confirmation signal, indicates redirection process success or failure；
S5. after receiving confirmation signal, the AS1 of proterotype is redirected to NAS instruction as a result, executing difference according to Different Results simultaneously
Process flow, redirection process terminates.
2. the method for redirection process, feature exist between a kind of optimization multimode user terminal mode according to claim 1
In: in step s 4, detailed process includes:
S41. according to parameter information, the frequency point in redirection list/cell is carried out first signal quality measured；
S42. it after receiving measurement result, sorts to measured value, by signal quality from by force to weak sequence, the system for receiving each cell
Message successively attempts next cell if decoding failure or cell are unsatisfactory for resident condition；If looked in these cells
It to the cell for meeting resident condition, is then resident in the cell, terminates cell selection procedure, while AS2 is sent out to the AS1 of proterotype
Redirection confirmation signal is sent, instruction redirection process success enters step S5；Enter step if these cells cannot be all resident
Rapid S43；
S43.AS2 initiates the blind cell selection procedure searched, and attempts to be resident other cells in this mode: measuring all band supports
On cell, receive the cell deleted from measurement cell list after measurement result first and select failure in previous step S42, shape
The cell list of Cheng Xin, that is, the cell to fail is no longer attempt to, and is successively attempted according to signal quality from by force to weak to ranking cells
Find the cell for meeting resident condition；
S44. if finding the cell that can be resident under target pattern, i.e., the blind cell searched is chosen successfully, and AS2 is to proterotype
AS1, which is sent, redirects successful confirmation signal；Otherwise, AS2 sends the confirmation signal for redirecting failure to AS1.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107094311B (en) * | 2017-06-26 | 2020-08-18 | 奇酷互联网络科技（深圳）有限公司 | High-standard network reselection method and device and mobile terminal |
| CN109495934B (en) * | 2017-09-12 | 2021-11-02 | 中兴通讯股份有限公司 | Call conversation method, related equipment and storage medium |
| ES2924136T3 (en) | 2017-10-13 | 2022-10-04 | Huawei Tech Co Ltd | Cell selection method and terminal |
| CN108184228B (en) * | 2018-01-19 | 2021-01-01 | 北京小米移动软件有限公司 | Emergency call method and user equipment |
| CN112469108B (en) * | 2020-11-16 | 2023-08-01 | 上海擎昆信息科技有限公司 | Network residence method and device |
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| US9445334B2 (en) * | 2011-04-20 | 2016-09-13 | Qualcomm Incorporated | Switching between radio access technologies at a multi-mode access point |
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| EP2239662A2 (en) * | 2009-04-08 | 2010-10-13 | Intel Corporation | System management mode inter-processor interrupt redirection |
| CN102892081A (en) * | 2011-07-22 | 2013-01-23 | 华为技术有限公司 | Service redirection method, UE (user equipment), access network node and system |
| CN103428890A (en) * | 2012-05-11 | 2013-12-04 | 英特尔公司 | Selective joinder of machine-type communication user equipment with wireless cell |
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