CN103037404B - A kind of road measuring device cell pressure switching method - Google Patents
A kind of road measuring device cell pressure switching method Download PDFInfo
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- CN103037404B CN103037404B CN201110301611.6A CN201110301611A CN103037404B CN 103037404 B CN103037404 B CN 103037404B CN 201110301611 A CN201110301611 A CN 201110301611A CN 103037404 B CN103037404 B CN 103037404B
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Abstract
The present invention relates to a kind of road measuring device cells to force switching method, including：It receives and forces switching command；When Target cell is not belonging to the adjacent area of current service cell, the Radio Link exception flow of current service cell is triggered；Search Target cell simultaneously rebuilds business after Target cell carries out cell update；A kind of road measuring device cell switching method provided through the invention, it is switched to the Target cell of non-adjacent area in the connection mode by the method that Radio Link is rebuild, can meet the road measuring device in mobile communications network construction and optimization and be switched to all Target cells the needs of being tested.
Description
Technical field
The present invention relates to mobile communication field, more particularly to a kind of road measuring device cell forces switching method.
Background technology
Road measuring device all supports to force test function at present, but as shown in Figure 1, road measuring device is in the connection mode at present
It is the measurement report for being better than current area by forced-triggered Target cell that cell, which forces handoff functionality, and switching life is issued by network
The mode of order is come what is realized, and this method for realizing pressure switching can be only applied to Target cell and current area, and there are adjacent area passes
The case where being.In practical applications, at the beginning of mobile communications network is established or during the network optimization, in fact it could happen that before
Adjacent section planning there is a situation where unreasonable, such as exists in testing location and compared with the cell of strong signal (it is small to may relate to different system
Area), but this cell is in the neighboring cell list of current area, at this time, it may be necessary to which road measuring device is switched to this in the connection mode
The Target cell of a non-adjacent area is tested.But it is directed to such case, existing pressure switching method obviously can not be completed.Existing
Have in technology, road measuring device after first discharging current connection, then positive lock Target cell generally by being resident, finally by mesh
The mode of connection is established to realize that the test to this kind of cell, this method need more manual operation, do not have in mark cell
Convenience.
Invention content
The purpose of the present invention is to provide a kind of road measuring device cell switching methods, to solve to realize that road measuring device is connecting
The problem of Target cell being switched under pattern.
A kind of road measuring device cell switching method provided by the invention, step include：
It receives and forces switching command；When Target cell is not belonging to the adjacent area of current service cell, triggering current service is small
The Radio Link exception flow in area；Search Target cell simultaneously rebuilds business after Target cell carries out cell update.
Further, the pressure switching command includes test command pattern and target cell information.
Further, the target cell information includes：Frequency point and cell id.
Further, the Radio Link exception flow of the triggering current service cell is specially：The current clothes of triggering
The Radio Link exception flow of business cell includes triggering the Radio Link Failure flow or wireless spread-spectrum technology of current service cell
Layer fatal error flow.
Further, the Radio Link Failure flow of the triggering current service cell is specially：Trigger step-out timer
Time-out.
Further, the wireless chain control layer fatal error flow of the triggering current service cell is specially：
Trigger reseting procedure；The upper limit for resetting the scheduled number sent for the number is set；Stop reseting procedure and triggers
Wireless chain control layer fatal error.
Further, after receiving pressure switching command, further include：Judge whether the Target cell is that current service is small
Area, if so, pressure is reported to switch successfully, continuation is tested in current service cell.
Further, if the Target cell is not current service cell, whether further judge the Target cell
Belong to the adjacent area of current service cell, if so, triggering Target cell switching.
Further, the triggering Target cell, which switches, is specially：Triggering reports Target cell to be better than current service cell
Measurement report, and be sent to network-side, after the road measuring device receives the switching command that network-side issues, be switched to target
Cell.
A kind of road measuring device cell switching method provided through the invention is being connected by the method that Radio Link is rebuild
It is switched to the Target cell in non-neighboring area under pattern, the road measuring device in mobile communications network construction and optimization can be met and be switched to
The demand that all Target cells are tested.By judging mandatory order, to Target cell in mandatory order whether be
Whether serving cell is that the adjacent area of serving cell judge and subsequent processing, need not change network-side and can meet and passes through
Switching command is forced to make the demand that road measuring device tests all Target cells.
Description of the drawings
Fig. 1 is that existing road measuring device cell forces switching method；
Fig. 2 is that a kind of road measuring device cell disclosed by the invention forces switching method preferred embodiment flow chart；
Fig. 3 is that a kind of road measuring device cell disclosed by the invention forces to switch another preferred embodiment flow chart.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is described in further detail.
A kind of road measuring device cell switching method disclosed by the embodiments of the present invention as shown in Fig. 2,
S201, it receives and forces switching command；
In this step, road measuring device, which has, forces handoff functionality, and connection status is in current service cell.It is described
Switching command is forced to generally comprise two parts, one is test command pattern, such as：Force switching, force gravity treatment, locking cell,
Locked frequency point etc., in the pressure switching command, test command pattern is to force to switch；Secondly being target cell information, such as：
Frequency point, cell id.This step further includes：Whether judge to force the Target cell indicated by switching command by target cell information
For current service cell, if so, keeping road measuring device state constant, and pressure is reported to switch successfully, continued in current service
Cell carries out drive test test.
S202, when Target cell is not belonging to the adjacent area of current service cell, trigger the Radio Link of current service cell
Abnormal flow；
This step is specially：
When Target cell is not current service cell, further judge Target cell whether be current service cell neighbour
Area, if it is not, then triggering the Radio Link exception flow of current service cell.
The Radio Link exception flow of the triggering current service cell includes triggering the Radio Link of current service cell
Failure procedures or RLC (wireless spread-spectrum technology) layer fatal error flow.
Wherein, Radio Link Failure criterion is specially：It is (special to DPCH when being received from physical layer in CELL_DCH states
Physical channel) (and DCCH (dedicated control channel) has mapping relations) a continuous " out of of N313 (step-out counter)
After sync " instructions, UE (user equipment) should start timer T313；It is a continuous when receiving N315 (coincidence counter) from physical layer
" in sync " instruction and UE states when changing, UE should stop and reset T313 (step-out timer)；If T313 is overtime,
Then UE thinks " Radio Link Failure ".
Therefore, in this step, different by triggering the Radio Link of Radio Link Failure trigger flow current service cell
Chang Liucheng is and when judging Target cell not for current area adjacent area, to be assisted after road measuring device receives and forces switching command
View stack forces T313 (step-out timer) timer expiry to handle immediately, and drive test terminal is made to force that Radio Link Failure stream occurs
Journey.
Wherein, triggering rlc layer fatal error flow is specially：The Radio Link control of the triggering current service cell
Preparative layer fatal error flow is specially：Trigger reseting procedure；It is described time that the number for resetting scheduled transmission, which is arranged,
Several upper limits；Stop reseting procedure and triggers wireless chain control layer fatal error.
1, reseting procedure is triggered (according to 3 kinds of trigger conditions that 11.4.2 in 3GPP TS25.321 is saved, to force according to terminal
Situation triggers one of which)；
2, RLC fatal errors are triggered：VT (RST)=MaxRST is set, and transmission terminal will stop ongoing multiple
Position process stops Timer_RST timers and reports fatal error to high level.
Wherein, VT (RST) is the scheduled number sent of reset PDU in reseting procedure, and initial value 0 is sent multiple every time
Position PDU (Protocol Data Unit, protocol Data Unit) plus 1 is received after reset confirms and is reset to 0.MaxRST is VT
(RST) the upper limit, the maximum times that reset PDU is sent are equal to MaxRST-1 will refer to as VT (RST)=MaxRST to upper layer
Show fatal error, triggers rlc layer fatal error flow.
S203, search Target cell simultaneously rebuild business after Target cell is updated.
This step searches for Target cell, and in target specifically, according to the target cell information for forcing switching command to carry
Cell updating course is carried out in cell, then initiates service request, makes road measuring device in Target cell under connection mode,
And start to start to test in Target cell.
This step further includes：Road measuring device reports pressure to switch successfully.
The specific embodiment of road measuring device cell switching method is described in detail below in conjunction with attached drawing 3.
Road measuring device under certain localities or environment, according to the needs of test, needs connecting during drive test
Target cell is switched under pattern, tester, which triggers, forces switching command, and the pressure switching command is to force test command
In one kind, generally comprise two parts, one is test command pattern, such as：It forces switching, force gravity treatment, locking cell, locking
Frequency point etc., secondly being target cell information, such as：Frequency point, cell id.
S301, road measuring device receive pressure switching command；
This road measuring device, which has, forces handoff functionality, and connection status is in the A of current service cell；
S302, road measuring device judge to force whether the Target cell B of switching is current service cell；
If so, step S303 is turned to, if it is not, then turning to step S304；
In this step, it is compared with the information of current service cell by the information of Target cell B, judges Target cell
Whether B is current service cell.
S303, when Target cell B is current service cell, road measuring device reports pressure to switch successfully, and keeps drive test
Equipment state is constant, continues to carry out drive test test in this serving cell；
S304, when Target cell B is not current service cell, road measuring device further judges whether Target cell B deposits
In the neighboring cell list of current area, and if it exists, then turn to step S305, be switched to the Target cell, if being not present, turn
To step S307；
S305, forced-triggered adjacent area are better than the test report of current area, and are sent to network-side.Wherein, forced-triggered
The method that adjacent area is better than the measurement report of current area, specially：The measured value of switching target small area will be forced to be assigned a value of higher
The measured value of current area is assigned a value of smaller value by value.
S306, road measuring device receive the switching command that network-side issues, and are switched to Target cell B, are subsequently diverted to walk
Rapid S310；
S307, it is not present in the neighboring cell list of current area as Target cell B, forced-triggered Radio Link is abnormal, institute
Stating Radio Link extremely can be by triggering the Radio Link Failure flow or RLC fatal error agreement flows of this cell, this
The mode of triggering this cell radio link failure flow is taken to trigger in step.
S308, search Target cell B, and complete cell updating course in Target cell B；
S309, service request is initiated, road measuring device is made to establish connection in Target cell B；
S310, road measuring device report pressure to switch successfully, and drive test test is carried out in Target cell B.
This road measuring device cell forces switching method, to forcing switching command to judge, to forcing mesh in switching command
Whether whether mark cell be serving cell, be that adjacent area of serving cell etc. judge and respective handling, when being not belonging to currently take
When the adjacent area for cell of being engaged in, by the Radio Link exception flow of current service cell, realize that the pressure to Target cell switches.This
Force switching method that need not be changed to network-side, you can to meet by forcing switching command that road measuring device is made to realize to institute
There is the demand that Target cell is tested.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of road measuring device cell forces switching method, which is characterized in that including：
It receives and forces switching command；
When Target cell is not belonging to the adjacent area of current service cell, the Radio Link exception flow of current service cell is triggered；
Search Target cell simultaneously rebuilds business after Target cell carries out cell update;
The Radio Link exception flow of the triggering current service cell includes triggering the Radio Link Failure of current service cell
Flow or wireless chain control layer fatal error flow;
It is described triggering current service cell Radio Link Failure flow be specially：Trigger step-out timer expiry;
It is described triggering current service cell wireless chain control layer fatal error flow be specially：Trigger reseting procedure；
The upper limit for resetting that the scheduled number sent is the number is set；Stop reseting procedure and trigger wireless chain control layer can not
Restore mistake;
The pressure switching command includes test command pattern and target cell information;
The target cell information includes：Frequency point and cell id.
2. the method as described in claim 1, which is characterized in that after receiving pressure switching command, further include：Judge the mesh
Mark whether cell is current service cell, if so, pressure is reported to switch successfully, continuation is tested in current service cell.
3. the method as described in claim 1, which is characterized in that further include：If the Target cell is not current service cell,
Then further judge whether the Target cell belongs to the adjacent area of current service cell, if so, triggering Target cell switching.
4. method as claimed in claim 3, which is characterized in that the triggering Target cell, which switches, is specially：Triggering reports mesh
It marks cell and is better than the measurement report of current service cell, and be sent to network-side, the road measuring device receives network-side and issues
Switching command after, be switched to Target cell.
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| CN201110301611.6A CN103037404B (en) | 2011-09-30 | 2011-09-30 | A kind of road measuring device cell pressure switching method |
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| CN201110301611.6A CN103037404B (en) | 2011-09-30 | 2011-09-30 | A kind of road measuring device cell pressure switching method |
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| CN103037404B true CN103037404B (en) | 2018-08-24 |
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| CN107635264B (en) * | 2017-10-13 | 2020-08-28 | Oppo广东移动通信有限公司 | Cell reselection method, mobile terminal and computer readable storage medium |
| CN111328121B (en) * | 2018-12-17 | 2022-06-14 | ***通信集团北京有限公司 | Road testing method and device |
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| CN101511093A (en) * | 2008-02-14 | 2009-08-19 | 大唐移动通信设备有限公司 | Method, device and system for establishing neighbor relation |
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| CN101521901A (en) * | 2008-02-25 | 2009-09-02 | 华为技术有限公司 | Method, system and equipment for detecting blind areas |
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| CN1925674A (en) * | 2005-09-02 | 2007-03-07 | 大唐移动通信设备有限公司 | Method for rapid recovery of user's set communication |
| CN1933652A (en) * | 2005-09-12 | 2007-03-21 | 大唐移动通信设备有限公司 | Switching back method after failure of relay switching |
| CN101511093A (en) * | 2008-02-14 | 2009-08-19 | 大唐移动通信设备有限公司 | Method, device and system for establishing neighbor relation |
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Effective date of registration: 20170418 Address after: Nanping Street 400060 Chongqing Nan'an District Nancheng Road No. 199 left attached to the floor 403 Applicant after: Keen (Chongqing) Microelectronics Technology Co., Ltd. Address before: 400065 Chongqing Nan'an District huangjuezhen pass Fort Park No. 1 Applicant before: Chongqing City Communication & Technology Co., Ltd. |
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