CN103067987B - The location area updating method of a kind of subscriber equipment and device - Google Patents
The location area updating method of a kind of subscriber equipment and device Download PDFInfo
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- CN103067987B CN103067987B CN201310009298.8A CN201310009298A CN103067987B CN 103067987 B CN103067987 B CN 103067987B CN 201310009298 A CN201310009298 A CN 201310009298A CN 103067987 B CN103067987 B CN 103067987B
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Abstract
The invention provides the location area updating method of a kind of subscriber equipment and device, wherein, described method includes: obtain candidate list；Read the first system message of candidate cell in described candidate list according to the order of sequence, determine that according to described the first system message the re-selecting cell of user equipment (UE), described the first system message are the essential system message of described candidate cell；Obtain the location area information of described re-selecting cell；Obtain the location area information of user equipment (UE), it is judged that whether the location area information of described user equipment (UE) is consistent with the location area information of described re-selecting cell；If the location area information of described user equipment (UE) is inconsistent with the location area information of described re-selecting cell, then update the location area information of described user equipment (UE).The present invention can reduce user equipment (UE) gravity treatment time delay, promote system access successful rate.
Description
Technical field
The present invention relates to communication technical field, particularly relate to the location area updating method of a kind of subscriber equipment, and, the location area updating device of a kind of subscriber equipment.
Background technology
User equipment (UE) is in standby, it is possible to can leave current area coverage and enter new community, and now user equipment (UE) to depart from original community and determine resident relation with new community.When certain, user equipment (UE) can utilize cell re-selection mechanism to complete the selection to new community.Cell reselection is the prerequisite function of mobile communication system, it is RRM(RadioResourceManagement, RRM) important component part, UE(UserEquipment, subscriber equipment) cell reselection at the idling mode is for the UE persistent district that upgrades in time, making UE reside in desirable community, thus ensure that reception system message and paging information that UE can be correct, and ensureing that UE's is successfully accessed rate.
Enter new TDLAC(locationareacode, Location Area Code with reference to the user equipment (UE) shown in Fig. 1) cell reselection process flow chart, the process of cell reselection is as follows:
(1) UE is in an idle state, with cycle DRX(DiscontinuousReception, discontinuous reception) measure the P-CCPCH(PrimaryCommonControlPhysicalChannel of current service cell, Primary Common Control Physical Channel) reception power (P-CCPCHRSCP) on channel, and calculate path loss criterion parameter Srx according to measurement result.If the Srx of current service cell < 0 or current service cell are hindered, Srx < Sintrasearch(common frequency measurement triggers thresholding) or Srx < Sintersearch(different-frequency measure triggering thresholding) time, UE will trigger the measurement with frequency or alien frequencies neighbor cell.
(2) user equipment (UE) is more big according to the calculating cell selection reception level value Srxlev in the measurement result of above-mentioned measurement and system information and priority parameters R, R, and priority is more high.If in the Treselection(cell reselection triggered time) adjacent cell is higher than the priority of current area in the cycle, then and start physical-layer cell and heavily search process, re-selecting cell.
(3) process is heavily searched in community: user equipment (UE) carries out synchronize with read system message with new community.
System message can be divided into Master Information Block (MIB) and system information block (SIB).MIB can include the SIB type of message in the mark of PLMN, system broadcast information and corresponding schedule information.MIB can comprise Scheduling Block (SB), SB comprises parameter and the schedule information of other chunk (SIB).When system information block is more, MIB cannot provide first Scheduling Block SB1 during the schedule information of whole SIB to be occurred；If MIB and SB1 is added together the schedule information that still cannot provide whole SIB, second Scheduling Block SB2 occurs.Include it is said that in general, relate to chunk: MIB, SB1&SB2, SIB1, SIB2, SIB3, SIB5, SIB7, SIB11, SIB18.It is constructed as follows:
(4) if system message does not find MIB, or there is no the information of SIB1, SIB3, SIB5, SIB7, then it is assumed that this community is prohibited, and is unsatisfactory for the requirement of re-selecting cell, then do not select this community, reselect sub-priority community and carry out community and heavily search.
(5) from SIB1, obtain present position-region information, compare with user equipment (UE) self-position district information, if inconsistent, submit NAS layer (Non-Access Stratum) and carry out location area updating process.
But, above-mentioned cell reselection process has the following disadvantages:
1) in read apparatus message process, owing to user equipment (UE) cannot accept the total time that total duration of beep-page message is above-mentioned steps (4) and (5) two steps of step, the time that therefore network cannot be received paging by user equipment (UE) is long, causes that access failure probability is high；
2) existing flow process causes that the user equipment (UE) location updating time is longer, is unfavorable for network exact paging, wastes Internet resources.
Therefore, those skilled in the art's technical problem to be solved is to provide the location area updating mechanism of a kind of subscriber equipment, in order to reduce user equipment (UE) gravity treatment time delay, to promote system access successful rate.
Summary of the invention
The technical problem to be solved is to provide the location area updating method of a kind of subscriber equipment, for passing through to change the order of UE read system message, process trigger cell reselection and UE location area information updated when the message of the SIB1 to SIB7 of read system message, thus reducing terminal gravity treatment time delay, promote system access successful rate, improve client perception.
Accordingly, present invention also offers the location area updating device of a kind of subscriber equipment, in order to ensure realization and the application of said method.
In order to solve the problems referred to above, the invention discloses the location area updating method of a kind of subscriber equipment, including:
Obtain candidate list；
Read the first system message of candidate cell in described candidate list according to the order of sequence, determine that according to described the first system message the re-selecting cell of user equipment (UE), described the first system message are the essential system message of described candidate cell；
Obtain the location area information of described re-selecting cell；
Obtain the location area information of user equipment (UE), it is judged that whether the location area information of described user equipment (UE) is consistent with the location area information of described re-selecting cell；
If the location area information of described user equipment (UE) is inconsistent with the location area information of described re-selecting cell, then update the location area information of described user equipment (UE).
Preferably, described method also includes:
When the location area information of described user equipment (UE) is consistent with the location area information of described re-selecting cell, it is determined that described re-selecting cell is the community that user equipment (UE) is normally resident.
Preferably, described method also includes:
Obtaining the duty of user equipment (UE), described duty includes connected state and Idle state；
If described duty is connected state, receive paging request message or initiating business request message；
If described duty is Idle state, reading second system message, described second system message is other system message in described re-selecting cell except the first system message.
Preferably, described method also includes:
When receiving paging request message, receive the measurement control message that network side sends；
According to the described adjacent cell information measured and control the community that message obtains and described user equipment (UE) is resident.
Preferably, the step of described acquisition candidate list includes:
Measuring the Serving cell of user equipment (UE), obtain the measurement result of described Serving cell, wherein said Serving cell is the community that user equipment (UE) is currently resident；
Path loss criterion parameter and the priority parameters of Serving cell is calculated according to the measurement result of described Serving cell；
Trigger the measurement with the neighbor cell of the same frequency of Serving cell or alien frequencies according to the path loss criterion parameter of described Serving cell, obtain the measurement result of described neighbor cell；
Path loss criterion parameter and the priority parameters of described neighbor cell is calculated according to the measurement result of described neighbor cell；
Selecting paths loses the canonical parameter neighbor cell more than predetermined threshold value as candidate cell, and all of candidate cell composition candidate list, in described candidate list, described candidate cell is ranked up according to the priority parameters of himself.
Preferably, the first system message of the described candidate cell read according to the order of sequence in candidate list, determine that according to described the first system message the step of the re-selecting cell of user equipment (UE) includes:
Reading the first system message of the highest candidate cell of candidate list medium priority parameter, described the first system message includes the 3rd system information block；
Judge whether described candidate cell meets default cell re-selection conditions according to the first system message of described candidate cell, if, then described candidate cell is the re-selecting cell of user equipment (UE), if not, then return candidate list and read the first system message of the second highest candidate cell of priority parameters, by that analogy, wherein
Described default cell re-selection conditions is:
In the interval of predetermined threshold value, the priority parameters of described candidate cell is higher than the priority parameters of described user equipment (UE) Serving cell, and, the information that restricted information is unrestricted access community is accessed in the community obtained from described 3rd system information block.
Preferably, described the first system message includes the first system chunk message, and the step of the location area information of the described re-selecting cell of described acquisition includes:
The location area information of described re-selecting cell is obtained from described the first system chunk message.
Preferably, the step of the location area information of the community of described renewal gravity treatment includes:
Update the location area information that location area information is described re-selecting cell of described user equipment (UE).
Preferably, the location area information of described user equipment (UE) is stored in the identification card of user equipment (UE).
Preferably, described the first system message also includes second system chunk message, the 5th system information block message, the 7th system information block message；Described second system message includes the 11st system information block message, the 18th System information block message.
The invention also discloses the location area updating device of a kind of subscriber equipment, including:
Candidate list acquisition module, is used for obtaining candidate list；
Cell reselection module, for reading the first system message of the candidate cell in described candidate list according to the order of sequence, determines that according to described the first system message the re-selecting cell of user equipment (UE), described the first system message are the essential system message of described candidate cell；
Re-selecting cell location area information acquisition module, for obtaining the location area information of described re-selecting cell；
Location area information judge module, for obtaining the location area information of user equipment (UE), it is judged that whether the location area information of described user equipment (UE) is consistent with the location area information of described re-selecting cell；If inconsistent, then calling station district information updating module；
Location area information is new module more, for updating the location area information of described user equipment (UE).
Preferably, described device also includes:
Module is determined in persistent district, for when the location area information of described user equipment (UE) is consistent with the location area information of described re-selecting cell, it is determined that described re-selecting cell is the community that user equipment (UE) is normally resident.
Preferably, described device also includes:
Duty acquisition module, for obtaining the duty of user equipment (UE), described duty includes connected state and Idle state；
Request message reception module, for when described duty is connected state, receiving paging request message or initiating business request message；
Second system message read module, for when described duty is Idle state, reading second system message, described second system message is other system message in described re-selecting cell except the first system message.
Preferably, described device also includes:
Measuring and control message reception module, for when receiving paging request message, the measurement that reception network side sends controls message；
Adjacent cell information acquisition module, for according to the described adjacent cell information measured and control the community that message obtains and described user equipment (UE) is resident.
Preferably, described candidate list acquisition module includes:
Serving cell measures submodule, for measuring the Serving cell of user equipment (UE), obtains the measurement result of described Serving cell, and wherein said Serving cell is the community that user equipment (UE) is currently resident；
Serving cell parameters calculating sub module, for calculating path loss criterion parameter and the priority parameters of Serving cell according to the measurement result of described Serving cell；
Neighbor cell measurement submodule, for triggering the measurement with the neighbor cell of the same frequency of Serving cell or alien frequencies according to the path loss criterion parameter of described Serving cell, obtains the measurement result of described neighbor cell；
Neighbor cell parameters calculating sub module, for calculating path loss criterion parameter and the priority parameters of described neighbor cell according to the measurement result of described neighbor cell；
Candidate cell chooses submodule, the canonical parameter neighbor cell more than predetermined threshold value is lost as candidate cell for selecting paths, all of candidate cell composition candidate list, in described candidate list, described candidate cell is ranked up according to the priority parameters of himself.
Preferably, described cell reselection module includes:
The first system message reading submodule, for reading the first system message of the highest candidate cell of candidate list medium priority parameter, described the first system message includes the 3rd system information block；
Judge submodule, judge whether described candidate cell meets default cell re-selection conditions for the first system message according to described candidate cell, if, then described candidate cell is the re-selecting cell of user equipment (UE), if it is not, then return candidate list to read the first system message of the second highest candidate cell of priority parameters, by that analogy, wherein
Described default cell re-selection conditions is:
In the interval of predetermined threshold value, the priority parameters of described candidate cell is higher than the priority parameters of described user equipment (UE) Serving cell, and, the information that restricted information is unrestricted access community is accessed in the community obtained from described 3rd system information block.
Preferably, described the first system message includes the first system chunk message, and described re-selecting cell location area information acquisition module includes:
Location area information obtains submodule, for obtaining the location area information of described re-selecting cell from described the first system chunk message.
Preferably, described location area information more new module includes:
Location updating submodule, for updating the location area information that location area information is described re-selecting cell of described user equipment (UE).
Preferably, the location area information of described user equipment (UE) is stored in the identification card of user equipment (UE).
Preferably, described the first system message also includes second system chunk message, the 5th system information block message, the 7th system information block message；Described second system message includes the 11st system information block message, the 18th System information block message.
Compared with prior art, the present invention includes advantages below:
First, the present invention changes the order of user equipment (UE) read system message, first read the process of the measurement process of message initiated cell reselection of system information block SIB1 ~ SIB7, evaluation process, trigger cell reselection process, registration: after user equipment (UE) has read SIB1, SIB3, SIB5, SIB7 message, namely from SIB1, obtain the location area information that community is current, compare with user equipment (UE) self-position district information, if inconsistent, submit NAS layer and carry out location area updating process.So can decrease user equipment (UE) and read the time that other system message unrelated with location updating and paging reception takies；Location area updating timely, is also beneficial to the accurate paging of network side, decreases network probability of simultaneously issuing page message under multiple LAC, promotes system access successful rate.
Second, whether the present invention is after location area updating is complete, to carry out business immediately or to receive paging to be divided into the duty of terminal, if it is not, then the duty of terminal is Idle state；If so, then the duty of terminal is connected state.If Idle state, then terminal continues the message reading follow-up SIB11 and SIB18 to obtain neighboring BS information；If connected state, UE can obtain neighboring BS information by the MC that network issues, and is now not result in the business that cannot be carried out or receives beep-page message.
Accompanying drawing explanation
Fig. 1 be a kind of subscriber equipment of the present invention location area updating method background technology in user equipment (UE) enter the cell reselection process flow chart of new TDLAC；
Fig. 2 is the flow chart of steps of the location area updating method embodiment 1 of a kind of subscriber equipment of the present invention；
Fig. 3 is the read system message schematic diagram of the location area updating method embodiment 1 of a kind of subscriber equipment of the present invention；
Fig. 4 is the flow chart of steps of the location area updating method embodiment 2 of a kind of subscriber equipment of the present invention；
Fig. 5 is the structured flowchart of the location area updating device embodiment of a kind of subscriber equipment of the present invention.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
The core idea of the embodiment of the present invention is in that, realizing UE to carry out in TD net when the process of LAC gravity treatment, terminal has read SIB1, SIB3, SIB5, during the system messages such as SIB7, namely submit to NAS layer, complete Non-Access stratum procedure, carry out location area updating in time, after completing Non-Access stratum procedure, UE, according to current state, selects to carry out the reading of residue SIB message.Read and accept, with location updating and paging, the time that other unrelated system message takies thus decreasing UE, be also beneficial to the accurate paging of network side, decrease network under multiple LAC while issuing page message probability.
With reference to Fig. 2, it is shown that the flow chart of steps of the location area updating method embodiment 1 of a kind of subscriber equipment of the present invention, specifically include following steps:
Step 101: obtain candidate list；
In implementing, UE after powering, first have to find and select network, then pass through certain community in network and carry out registering and location updating, thus resident in the cell.Behind selected resident community, UE finds a better community regularly according to cell reselection criterion, and this is called " cell reselection ", and the purpose of cell reselection is to select the community more " being suitable for " resident to ensure service quality according to current measurement result.UE can be carried out cell reselection at idle and RRC connection mode.Cell reselection is a kind of terminal behavior, it is common that the user that terminal is actively initiated migrates.
In one preferred embodiment of the invention, described step 101 can include following sub-step:
Sub-step S11: measuring the Serving cell of user equipment (UE), obtain the measurement result of described Serving cell, wherein said Serving cell is the community that user equipment (UE) is currently resident；
In an idle state, base station side (includes base station eNB, radio network controller (RNC), base station controller BSC) and instructs UE that Serving cell is measured, the P-CCPCH(PrimaryCommonControlPhysicalChannel of this community of UE periodic measurement, Primary Common Control Physical Channel) reception power (P-CCPCHRSCP) on channel, each DRX(DiscontinuousReception, discontinuous reception) cycle at least measures once.
Specifically, P-CCPCH is for carrying data from transmission channel BCH, it is provided that the system message broadcast under full MPS process pattern, UE power on after by search and decode on this channel data to obtain cell system message.P-CCPCHRSCP on P-CCPCH channel reflects the signal intensity of current area.
Sub-step S12: calculate path loss criterion parameter and the priority parameters of Serving cell according to the measurement result of described Serving cell；
Specifically, terminal calculates the path loss criterion parameter Srx of Serving cell according to the measurement result Qrxlevmeas of described Serving cell, if in N continuous serv DRX cycle, Srx≤0 of Serving cell, or current area is prohibited, and (the forbidden situation in current area is: do not find MIB in system message, or there is no the message of SIB1, SIB3, SIB5, SIB7), the measurement work that UE will start all adjacent cells, measure the P-CCPCHRSCP of described neighbor cell.
If it addition, the Srx > 0 of Serving cell but meet following trigger condition, UE also can initiate the measurement work of adjacent cell, is provided without the Measurement principle of floored community (HCS):
(1) if Srx > Sintrasearch(common frequency measurement triggers thresholding), user equipment (UE) is made without the measurement of co-frequency cell；
If Srx≤Sintrasearch, user equipment (UE) needs to carry out the measurement of co-frequency cell；
If not sending Sintrasearch in the system information of Serving cell, user equipment (UE) carries out the measurement of co-frequency cell；
(2) if Srx > Sintersearch(different-frequency measure triggers thresholding), user equipment (UE) is made without the measurement of alien-frequency district；
If Srx≤Sintersearch, user equipment (UE) needs to carry out the measurement of alien-frequency district；
If not sending Sintrasearch in the system information of Serving cell, user equipment (UE) carries out the measurement of alien-frequency district.
Wherein, Sintersearch is the threshold parameter starting different-frequency measure；Sintrasearch is the threshold parameter starting common frequency measurement；The two parameter reads from the system broadcast message of Serving cell, needs to take advantage of the conversion of the 2 arithmetic conversions adding l after the system broadcast message of Serving cell reads.
In implementing, Srx can adopt following formula to obtain:
Srx=Qrxlevmeas-Qrxlevmin-Pcom；
Pcom=MAX (UE_TXMAX_RACH-P_MAX, 0)；
Wherein,
Qrxlevmeas is the UE reception power (P-CCPCHRSCP) measured on P-CCPCH channel；
Qrxlevmin is that the minimum access that community requires receives power (dBm), and this parameter is broadcasted by system message；
UE_TXMAX_RACH is the UE maximum transmission power allowed on RACH RACH, system broadcast message notify UE, is the UE maximum transmission power on RACH channel that allows of system；
P_MAX is the radio-frequency emission power that UE is maximum, is the actual peak power that can launch of UE；
In practice, consider the restriction impact for on-position of transmitting power actual for UE, parameter Pcom is introduced when weighing Srx parameter, as UE_TXMAX_RACH > P_MAX time, namely the actual transmission ability of UE does not reach the maximum transmission power that system allows, now Pcom=UE_TXMAX_RACH-P_MAX > 0, say, that the actual transmission ability of UE is likely to the on-position of restricting user equipment UE, now needs to consider this impact.If but Pcom is equal to 0, say, that the actual transmission ability of UE is sufficient for accessing requirement, now without considering the impact of UE actual emission power.
Such as: assume system broadcast message is arranged Qrxlevmin=-51dBm；Sintrasearch=1dB；UE_TXMAX_RACH=30dBm；P_MAX=24dBm: user equipment (UE) receives power Qrxlevmeas=-83dBm；Then offset Pcom=max(30-24,0)=6dB.Therefore, Srx=Qrxlevmeas-Qrxlevmin-Pcom=-83-(-51*2+1)-6=12dB > l*2+1；That is, if user equipment (UE) receives power Qrxlevmeans value lower than-92dBm, Srx < Sintrasearch, all co-frequency neighbor cells will be started and measure
As a kind of preferred exemplary of the present embodiment, the priority parameters of Serving cell can use RsRepresent, it is possible to adopt mode calculated as below:
Rs=Qmeans,s+Qhysts；
Wherein,
Qmeans, s: for the measurement result of Serving cell；
Qhyst: for hysteresis, is issued by system message.
Sub-step S13: trigger the measurement with the neighbor cell of the same frequency in current persistent district or alien frequencies according to the path loss criterion parameter of described current persistent district, obtain the measurement result of described neighbor cell；
In implementing, the measurement to neighbor cell, is measure the reception power (P-CCPCHRSCP) on the P-CCPCH channel of described neighbor cell..
Base station periodic broadcast neighboring broadcast messages, comprises the frequency of the community adjacent with Serving cell, physical code and modulation intelligence in this message；UE obtains neighbor cell list when reading the system message of current service cell.
Sub-step S14: calculate path loss criterion parameter and the priority parameters of described neighbor cell according to the measurement result of described neighbor cell；
In implementing, the computational methods of the path loss criterion parameter of neighbor cell are with reference to the computational methods of the path loss criterion parameter of above-mentioned Serving cell, and the embodiment of the present invention is not described in detail in this.
The priority parameters of described neighbor cell can use RnRepresenting, its computational methods are as follows:
Rn=Qmeans,n-Qoffsets,n
Wherein,
Qmeans, n: for the measurement result of neighbor cell；
Qoffset: the reselection offset amount of neighbor cell, makes UE be easier to by adjusting this parameter or is more difficult to gravity treatment to this community, and this parameter is obtained by system message.
Sub-step S15: in described Serving cell and neighbor cell, selecting paths loses the canonical parameter community more than predetermined threshold value as candidate cell, all of candidate cell composition candidate list, in described candidate list, described candidate cell is ranked up according to the priority parameters of himself.
In implementing, after the path loss criterion parameter Srx calculating the community adjacent with user equipment (UE) Serving cell, using the neighbor cell of all Srx > 0 as candidate cell, all of candidate cell composition candidate list, in described candidate list, all candidate cells are ranked, according to priority R parameter (Rn) size carry out priority arrangement, R parameter is more big, and priority is more high.It practice, when the Srx of Serving cell > 0, it is also possible to using Serving cell as candidate cell, if the priority parameters of Serving cell is arranged in before candidate list, then it is made without cell reselection, otherwise, the process of trigger cell reselection.
Step 102: read the first system message of candidate cell in described candidate list according to the order of sequence, determine that according to described the first system message the re-selecting cell of user equipment (UE), described the first system message are the essential system message of described candidate cell；
Specifically, UE attempts one by one from high to low according to priority orders in candidate list, reads the first system message of each candidate cell, until determining the re-selecting cell that user equipment (UE) is resident.
Described the first system message be described candidate cell all system messages in essential system message, as a kind of preferred exemplary of the embodiment of the present invention, described the first system message can be the message of SIB1-SIB7.3GPP(3rdGenerationPartnershipProject, third generation partner program) RRC(RadioResourceControl, radio resource control) regulation in agreement, SIB1 ~ SIB7 is essential system message, without reading these message complete, will cause that UE in the cell cannot be resident.
In one preferred embodiment of the invention, described step 102 can include following sub-step:
Sub-step S21: reading the first system message of the highest candidate cell of candidate list medium priority parameter, described the first system message includes the 3rd system information block；
In the introduction, user equipment (UE) need to have read all system message rears can carry out suitable cell (meet UE resident/community of reselection conditions, UE can obtain the community of normal service) select the process of (assessment), whole process time is consuming time longer.And in the embodiment of the present invention, suitable cell assessment just can be carried out after having read the first system message SIB1-SIB7, thus shortening the time of read system message, reducing user equipment (UE) and reading, when carrying out suitable cell assessment, the time that other system without interaction message take.
With reference to the read system message schematic diagram shown in Fig. 3, can be seen that, starting to SIB7 duration to be about 520ms by user equipment (UE) read system message, consuming time after having read all system messages it is about 720ms, after the method using the embodiment of the present invention first reads the first system message, 720ms relative to former flow process, it is possible to shorten the invisible time value 200ms of user equipment (UE), shorten the time of 200/720=27.8%.And increasing along with community neighboring BS information, the reading time of SIB11, SIB18 can be longer, utilizes the time that the method for the embodiment of the present invention can be saved also just more.
Sub-step S22: judge whether described candidate cell meets default cell re-selection conditions according to the first system message of described candidate cell, if, then described candidate cell is the re-selecting cell of user equipment (UE), if not, then return candidate list and read the first system message of the second highest candidate cell of priority parameters, by that analogy, wherein
Described default cell re-selection conditions is:
In the interval of predetermined threshold value, the priority parameters of described candidate cell is higher than the priority parameters of described user equipment (UE) Serving cell, and, the information that restricted information is unrestricted access community is accessed in the community obtained from described 3rd system information block.
In implementing, the process of sub-step S22 is the process of suitable cell assessment, in the process of assessment, UE attempts one by one from high to low according to priority orders in candidate list, first the candidate cell that candidate list medium priority is the highest is selected, read the first system message of described candidate cell, judge whether described candidate cell meets default cell re-selection conditions according to the first system message of described candidate cell, specifically, described default cell re-selection conditions is: in the interval Treselection(cell reselection triggered time) in, the priority of candidate cell is higher than the priority parameters (R of current service celln>Rs), and, the SIB3 value of candidate cell accesses community for non-forbidding.The community meeting default cell re-selection conditions is re-selecting cell.
If described candidate cell does not meet described cell re-selection conditions, then described candidate cell is not re-selecting cell, and user equipment (UE) selects the community of sub-priority to carry out community heavily to search, read the first system message of next candidate cell again in described candidate list.
On the other hand, if described candidate cell meets following condition, described candidate cell is not also for re-selecting cell: if not finding MIB in system message, or there is no SIB1, SIB3, SIB5, the information of SIB7, then it is assumed that this community is prohibited, is unsatisfactory for the requirement of re-selecting cell.
Step 103: obtain the location area information of described re-selecting cell；
In one preferred embodiment of the invention, described the first system message includes the first system chunk message, and described step 103 can include following sub-step:
Sub-step S31: obtain the location area information of described re-selecting cell from described the first system chunk message.
Specifically, user equipment (UE), after the first system message reading re-selecting cell, obtains the location area information of current service cell from the SIB1 of the first system message.Wherein, lane place refers to the LA(LocationArea in core net CN), lane place (LA) is the set of mobile communication system Zhong Yizu community (Cell), is an important component part of UE mobile management.The effect arranging lane place is the position making mobile switch or mobile switching centre (MSC) can know UE in time, and when calling UE, the mobile switching centre just all communities in the lane place of this UE scan for, and can find UE quickly and accurately.Lane place (LA) is stored in the Subscriber Identity Module (i.e. SIM) of user mobile phone, when UE roams in a network, when the lane place in discovery SIM is inconsistent with the lane place of mobile network, just sends the message of location updating to network.
Step 104: obtain the location area information of user equipment (UE)；
Step 105: judge that whether the location area information of described user equipment (UE) is consistent with the location area information of described re-selecting cell；If inconsistent, then perform step 106；If consistent, then perform step 107；
Step 106: update the location area information of described user equipment (UE)；
In implementing, when UE selects a certain community to want resident community as oneself, with the location area information of user equipment (UE), it can by being compared to judge whether the lane place at this place, community changes, if the location area information of candidate cell is inconsistent with the location area information of user equipment (UE), then illustrate that UE wants resident community to belong to a new lane place, it is necessary to submit NAS layer and carry out location area updating process.
In one preferred embodiment of the invention, described step 106 can include following sub-step:
Sub-step S41: update the location area information that location area information is described re-selecting cell of described user equipment (UE).
When the location area information that location area information is described re-selecting cell updating described user equipment (UE), then the location area information of user equipment (UE) is consistent with the location area information of described re-selecting cell, continues executing with step 107；
In implementing, the process of location updating can also be called that Location Registration is registered, if UE registers successfully in a certain candidate cell, then the location area information of user equipment (UE) is consistent with the location area information of described re-selecting cell, it is determined that described re-selecting cell is the community that user equipment (UE) is normally resident；If registering unsuccessfully, then UE is improper resides in this community, and at this moment UE is only capable of carrying out restricted service, for instance urgent call.
Step 107: determine that described re-selecting cell is the normally resident community of user equipment (UE).
Specifically, when the location area information of described user equipment (UE) is mated with the location area information of described re-selecting cell, if the result of coupling is that the location area information of user equipment (UE) is consistent with the location area information of described re-selecting cell, it is also possible to illustrate that described re-selecting cell is the normally resident community of user equipment (UE).
In the introduction, need to have read the laggard line position district of all system messages to update, whole process time is consuming time longer and network side cannot know which lane place LAC user equipment (UE) is positioned at, if now user equipment (UE) does called, need during beep-page message to issue under all LAC, it is unfavorable for that network exact calling causes that the percentage of lost calls is high, and causes network resources waste；In embodiments of the present invention, select the resident suitable cell in community by reading the first system message of community and carry out subdistrict position renewal in time, decrease user equipment (UE) and read the time that other system message unrelated with location updating and paging acceptance takies, location area updating timely, it is also beneficial to the accurate paging of network side, decreases network probability of simultaneously issuing page message under multiple LAC.
The present invention reads, by first-selection, the method that the system message at SIB1-SIB7 place optimizes user equipment (UE) read system message, reach to make user equipment (UE) complete cell reselection, position updating process as early as possible, be conducive to promoting system calling serviceability rate, promote network exact paging capability, promote client perception, shorten access delay, reduce the beneficial effect of the paging wasting of resources.No matter it should be appreciated by those skilled in the art that the method adopts which kind of compound mode (including the fractionation of diverse location, combination, minimizing or increase) to complete the user equipment (UE) reading to system message；No matter and the mode which kind of the method adopts optimize user equipment (UE) read system message mechanism all falls within the scope of protection of the invention.
With reference to Fig. 4, it is shown that the flow chart of steps of the location area updating method embodiment 2 of a kind of subscriber equipment of the present invention, specifically include following steps:
Step 201: obtain candidate list；
In one preferred embodiment of the invention, described step 201 can include following sub-step:
Sub-step S51: measuring the Serving cell of user equipment (UE), obtain the measurement result of described Serving cell, wherein said Serving cell is the community that user equipment (UE) is currently resident；
Sub-step S52: calculate path loss criterion parameter and the priority parameters of Serving cell according to the measurement result of described Serving cell；
Sub-step S53: trigger the measurement with the neighbor cell of the same frequency in current persistent district or alien frequencies according to the path loss criterion parameter of described current persistent district, obtain the measurement result of described neighbor cell；
Sub-step S54: calculate path loss criterion parameter and the priority parameters of described neighbor cell according to the measurement result of described neighbor cell；
Sub-step S55: in described Serving cell and neighbor cell, selecting paths loses the canonical parameter community more than predetermined threshold value as candidate cell, all of candidate cell composition candidate list, in described candidate list, described candidate cell is ranked up according to the priority parameters of himself.
Step 202: read the first system message of candidate cell in described candidate list according to the order of sequence, determine that according to described the first system message the re-selecting cell of user equipment (UE), described the first system message are the essential system message of described candidate cell；
In one preferred embodiment of the invention, described step 202 can include following sub-step:
Sub-step S61: reading the first system message of the highest candidate cell of candidate list medium priority parameter, described the first system message includes the 3rd system information block；
Sub-step S62: judge whether described candidate cell meets default cell re-selection conditions according to the first system message of described candidate cell, if, then described candidate cell is the re-selecting cell of user equipment (UE), if not, then return candidate list and read the first system message of the second highest candidate cell of priority parameters, by that analogy, wherein
Described default cell re-selection conditions is:
In the interval of predetermined threshold value, the priority parameters of described candidate cell is higher than the priority parameters of described user equipment (UE) Serving cell, and, the information that restricted information is unrestricted access community is accessed in the community obtained from described 3rd system information block.
Step 203: obtain the location area information of described re-selecting cell；
In one preferred embodiment of the invention, described the first system message includes the first system chunk message, and described step 203 can include following sub-step:
Sub-step S71: obtain the location area information of described re-selecting cell from described the first system chunk message.
Step 204: obtain the location area information of user equipment (UE)；
Step 205: judge that whether the location area information of described user equipment (UE) is consistent with the location area information of described re-selecting cell；If inconsistent, then perform step 206；If consistent, then perform step 207；
Step 206: update the location area information of described user equipment (UE)；
In one preferred embodiment of the invention, described step 206 can include following sub-step:
Sub-step S81: update the location area information that location area information is described re-selecting cell of described user equipment (UE).
In implementing, after the location area information of described UE is updated to the location area information of re-selecting cell, the location area information of described UE is just consistent with the location area information of described re-selecting cell, at this moment then performs step 207.
Step 207: determine that described re-selecting cell is the normally resident community of user equipment (UE)；
In implementing, the process of cell reselection includes measurement process, evaluation process, trigger cell reselection process, registration process.In above-mentioned steps, the process of step 201 belongs to be measured and the process of assessment, namely the measurement of Serving cell and neighbor cell is belonged to measurement process, calculates Serving cell and the path loss criterion parameter of neighbor cell and the process of priority parameters is evaluation process；Step 202 belongs to the process of trigger cell reselection；Step 203 ~ step 207 belongs to the process of grade registration.
In embodiments of the present invention, it is only necessary to read community (Serving cell or neighbor cell) the first system message and can complete the whole process of cell reselection, thus reaching to reduce UE gravity treatment time delay, promoting system access successful rate, improving the purpose of client perception.
Step 208: obtaining the duty of user equipment (UE), described duty includes connected state and Idle state；
In implementing, UE has operational mode two kinds basic: idle pulley and connection mode.
Power on beginning, and UE stays under idle pulley, is distinguished by Non-Access Stratum mark such as the marks such as IMSI, TMSI or P-TMSI.UTRAN(UniversalTerrestrialRadioAccess, wireless access on global land) do not preserve the information of idle pulley UE, it is only capable of all UE of all UE in one community of paging or same calling time.
When UE completes RRC connection establishment, UE just transfers to connection mode (connection mode has four kinds of states: CELL_DCH state, CELL_FACH state, _ FACH state, URA_PCH state) from idle pulley.The connection mode of UE, is also the RRC state of UE, reflects the UE rank connected and UE can use any transmission channel.When RRC Connection Release, UE transfers to idle pulley from connection mode.
At the idling mode, UE is according to whether reception paging request message or initiating business request message divide the duty of UE, if UE receives paging request message or initiating business request message, then the duty of UE is connected state, if UE not paging request message or initiating business request message, then the duty of UE is Idle state.
Preferably, if described duty is connected state, receive paging request message or initiating business request message；
In implementing, when the duty of UE is connected state, the MC(MeasurementControl that UE can be issued by network, measures and controls message) obtain neighboring BS information, now it is not result in UE and cannot receive paging request message or initiating business request message.
Preferably, if described duty is Idle state, reading second system message, described second system message is other system message in described re-selecting cell except the first system message.
In implementing, if UE does not initiate business immediately or receives paging, be Idle state, now UE can continue the follow-up SIB information of reading (second system message, including SIB11, and the message of SIB18) to obtain neighboring BS information etc..
For the embodiment of the method shown in Fig. 4, due to itself and the embodiment of the method basic simlarity of earlier figures 2, so what describe is fairly simple, relevant part illustrates referring to the part of embodiment of the method.
It should be noted that, for embodiment of the method, in order to be briefly described, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, embodiment described in this description belongs to preferred embodiment, necessary to involved action and the module not necessarily present invention.
With reference to Fig. 5, it is shown that the structured flowchart of the location area updating device embodiment of a kind of subscriber equipment of the present invention, specifically include with lower module:
Candidate list acquisition module 301, is used for obtaining candidate list；
In one preferred embodiment of the invention, described candidate list acquisition module 301 can include following submodule:
Serving cell measures submodule, for measuring the Serving cell of user equipment (UE), obtains the measurement result of described Serving cell, and wherein said Serving cell is the community that user equipment (UE) is currently resident；
Serving cell parameters calculating sub module, for calculating path loss criterion parameter and the priority parameters of Serving cell according to the measurement result of described Serving cell；
Neighbor cell measurement submodule, for triggering the measurement with the neighbor cell of the same frequency of Serving cell or alien frequencies according to the path loss criterion parameter of described Serving cell, obtains the measurement result of described neighbor cell；
Neighbor cell parameters calculating sub module, for calculating path loss criterion parameter and the priority parameters of described neighbor cell according to the measurement result of described neighbor cell；
Candidate cell chooses submodule, the canonical parameter neighbor cell more than predetermined threshold value is lost as candidate cell for selecting paths, all of candidate cell composition candidate list, in described candidate list, described candidate cell is ranked up according to the priority parameters of himself.
Cell reselection module 302, for reading the first system message of the candidate cell in described candidate list according to the order of sequence, determine that according to described the first system message the re-selecting cell of user equipment (UE), described the first system message are the essential system message of described candidate cell；
Wherein, described the first system message includes the first system chunk message SIB1, second system chunk message SIB2, the 3rd system information block message SIB3, the 5th system information block message SIB5, the 7th system information block message SIB7.
In one preferred embodiment of the invention, described cell reselection module 302 can include following submodule:
The first system message reading submodule, for reading the first system message of the highest candidate cell of candidate list medium priority parameter, described the first system message includes the 3rd system information block；
Judge submodule, judge whether described candidate cell meets default cell re-selection conditions for the first system message according to described candidate cell, if, then described candidate cell is the re-selecting cell of user equipment (UE), if it is not, then return candidate list to read the first system message of the second highest candidate cell of priority parameters, by that analogy, wherein
Described default cell re-selection conditions is:
In the interval of predetermined threshold value, the priority parameters of described candidate cell is higher than the priority parameters of described user equipment (UE) Serving cell, and, the information that restricted information is unrestricted access community is accessed in the community obtained from described 3rd system information block.
Re-selecting cell location area information acquisition module 303, for obtaining the location area information of described re-selecting cell；
In one preferred embodiment of the invention, described the first system message includes the first system chunk message, and described re-selecting cell location area information acquisition module 303 can include following submodule:
Location area information obtains submodule, for obtaining the location area information of described re-selecting cell from described the first system chunk message.
Location of user equipment district data obtaining module 304, for obtaining the location area information of user equipment (UE)；
In implementing, the location area information of described user equipment (UE) is stored in the identification card of user equipment (UE) (SIM).
Location area information judge module 305: for judging that whether the location area information of described user equipment (UE) is consistent with the location area information of described re-selecting cell；If inconsistent, then calling station district information updating module 306, if unanimously, then call persistent district and determine module 307；
Location area information is new module 306 more, for updating the location area information of described user equipment (UE).
In one preferred embodiment of the invention, described location area information more new module 306 can include following submodule:
Location updating submodule, for updating the location area information that location area information is described re-selecting cell of described user equipment (UE).
Module 307 is determined in persistent district, for determining that described re-selecting cell is the normally resident community of user equipment (UE).
Duty acquisition module 308, for obtaining the duty of user equipment (UE), described duty includes connected state and Idle state；
Preferably, the device of the embodiment of the present invention also includes:
Request message reception module, for when described duty is connected state, receiving paging request message or initiating business request message；
Measuring and control message reception module, the measurement sent for receiving network side controls message；
Adjacent cell information acquisition module, for according to the described adjacent cell information measured and control the community that message obtains and described user equipment (UE) is resident.
Second system message read module, for when described duty is Idle state, reading second system message, described second system message is other system message in described re-selecting cell except the first system message.
Wherein, described second system message includes the 11st system information block message, the 18th System information block message.
For the device embodiment shown in Fig. 5, due to itself and preceding method embodiment basic simlarity, so what describe is fairly simple, relevant part illustrates referring to the part of embodiment of the method.
Each embodiment in this specification all adopts the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually referring to.For device embodiment, due to itself and embodiment of the method basic simlarity, so what describe is fairly simple, relevant part illustrates referring to the part of embodiment of the method.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, complete software implementation or the embodiment in conjunction with software and hardware aspect.And, the present invention can adopt the form at one or more upper computer programs implemented of computer-usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.) wherein including computer usable program code.
The present invention is that flow chart and/or block diagram with reference to method according to embodiments of the present invention, equipment (system) and computer program describe.It should be understood that can by the combination of the flow process in each flow process in computer program instructions flowchart and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can be provided to produce a machine to the processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device so that the instruction performed by the processor of computer or other programmable data processing device is produced for realizing the device of function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions may be alternatively stored in and can guide in the computer-readable memory that computer or other programmable data processing device work in a specific way, the instruction making to be stored in this computer-readable memory produces to include the manufacture of command device, and this command device realizes the function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices provides for realizing the step of function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
Although preferred embodiments of the present invention have been described, but those skilled in the art are once know basic creative concept, then these embodiments can be made other change and amendment.So, claims are intended to be construed to include preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Finally, it can further be stated that, in this article, the relational terms of such as first and second or the like is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include the process of a series of key element, method, article or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or equipment.When there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of described key element, method, article or equipment.
Location area updating method to a kind of subscriber equipment provided by the present invention above, and, a kind of location area updating device of subscriber equipment, it is described in detail, principles of the invention and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, all will change in specific embodiments and applications, in sum, this specification content should not be construed as limitation of the present invention.
Claims (16)
1. the location area updating method of a subscriber equipment, it is characterised in that including:
Obtain candidate list；
Read the first system message of candidate cell in described candidate list according to the order of sequence, the re-selecting cell of user equipment (UE) is determined according to described the first system message, described the first system message is the essential system message of described candidate cell, wherein, described the first system message can be the message of system information block SIB1-system information block SIB7；
Obtain the location area information of described re-selecting cell；
Obtain the location area information of user equipment (UE), it is judged that whether the location area information of described user equipment (UE) is consistent with the location area information of described re-selecting cell；
If the location area information of described user equipment (UE) is inconsistent with the location area information of described re-selecting cell, then update the location area information of described user equipment (UE)；
Obtaining the duty of user equipment (UE), described duty includes connected state and Idle state；
If described duty is connected state, receive paging request message or initiating business request message；
If described duty is Idle state, reading second system message, described second system message is other system message in described re-selecting cell except the first system message；
The step of described acquisition candidate list includes: measuring the Serving cell of user equipment (UE), obtain the measurement result of described Serving cell, wherein said Serving cell is the community that user equipment (UE) is currently resident；
Path loss criterion parameter and the priority parameters of Serving cell is calculated according to the measurement result of described Serving cell；
Trigger the measurement with the neighbor cell of the same frequency of Serving cell or alien frequencies according to the path loss criterion parameter of described Serving cell, obtain the measurement result of described neighbor cell；
Path loss criterion parameter and the priority parameters of described neighbor cell is calculated according to the measurement result of described neighbor cell；
Selecting paths loses the canonical parameter neighbor cell more than predetermined threshold value as candidate cell, and all of candidate cell composition candidate list, in described candidate list, described candidate cell is ranked up according to the priority parameters of himself.
2. method according to claim 1, it is characterised in that also include:
When the location area information of described user equipment (UE) is consistent with the location area information of described re-selecting cell, it is determined that described re-selecting cell is the community that user equipment (UE) is normally resident.
3. method according to claim 1, it is characterised in that also include:
When receiving paging request message, receive the measurement control message that network side sends；
According to the described adjacent cell information measured and control the community that message obtains and described user equipment (UE) is resident.
4. method according to claim 1, it is characterised in that the first system message of the described candidate cell read according to the order of sequence in candidate list, determines that according to described the first system message the step of the re-selecting cell of user equipment (UE) includes:
Reading the first system message of the highest candidate cell of candidate list medium priority parameter, described the first system message includes the 3rd system information block；
Judge whether described candidate cell meets default cell re-selection conditions according to the first system message of described candidate cell, if, then described candidate cell is the re-selecting cell of user equipment (UE), if not, then return candidate list and read the first system message of the second highest candidate cell of priority parameters, by that analogy, wherein
Described default cell re-selection conditions is:
In the interval of predetermined threshold value, the priority parameters of described candidate cell is higher than the priority parameters of described user equipment (UE) Serving cell, and, the information that restricted information is unrestricted access community is accessed in the community obtained from described 3rd system information block.
5. method according to claim 1, it is characterised in that described the first system message includes the first system chunk message, and the step of the location area information of the described re-selecting cell of described acquisition includes:
The location area information of described re-selecting cell is obtained from described the first system chunk message.
6. method according to claim 1 or 5, it is characterised in that the step of the location area information of the community of described renewal gravity treatment includes:
Update the location area information that location area information is described re-selecting cell of described user equipment (UE).
7. method according to claim 1, it is characterised in that the location area information of described user equipment (UE) is stored in the identification card of user equipment (UE).
8. the method according to claim 1-7 any claim, it is characterised in that described the first system message also includes second system chunk message, the 5th system information block message, the 7th system information block message；Described second system message includes the 11st system information block message, the 18th System information block message.
9. the location area updating device of a subscriber equipment, it is characterised in that including:
Candidate list acquisition module, is used for obtaining candidate list；
Cell reselection module, for reading the first system message of the candidate cell in described candidate list according to the order of sequence, the re-selecting cell of user equipment (UE) is determined according to described the first system message, described the first system message is the essential system message of described candidate cell, wherein, described the first system message can be the message of system information block SIB1-system information block SIB7；
Re-selecting cell location area information acquisition module, for obtaining the location area information of described re-selecting cell；
Location area information judge module, for obtaining the location area information of user equipment (UE), it is judged that whether the location area information of described user equipment (UE) is consistent with the location area information of described re-selecting cell；If inconsistent, then calling station district information updating module；
Location area information is new module more, for updating the location area information of described user equipment (UE)；
Duty acquisition module, for obtaining the duty of user equipment (UE), described duty includes connected state and Idle state；
Request message reception module, for when described duty is connected state, receiving paging request message or initiating business request message；
Second system message read module, for when described duty is Idle state, reading second system message, described second system message is other system message in described re-selecting cell except the first system message；
Described candidate list acquisition module includes: Serving cell measures submodule, for measuring the Serving cell of user equipment (UE), obtains the measurement result of described Serving cell, and wherein said Serving cell is the community that user equipment (UE) is currently resident；
Serving cell parameters calculating sub module, for calculating path loss criterion parameter and the priority parameters of Serving cell according to the measurement result of described Serving cell；
Neighbor cell measurement submodule, for triggering the measurement with the neighbor cell of the same frequency of Serving cell or alien frequencies according to the path loss criterion parameter of described Serving cell, obtains the measurement result of described neighbor cell；
Neighbor cell parameters calculating sub module, for calculating path loss criterion parameter and the priority parameters of described neighbor cell according to the measurement result of described neighbor cell；
Candidate cell chooses submodule, the canonical parameter neighbor cell more than predetermined threshold value is lost as candidate cell for selecting paths, all of candidate cell composition candidate list, in described candidate list, described candidate cell is ranked up according to the priority parameters of himself.
10. device according to claim 9, it is characterised in that also include:
Module is determined in persistent district, for when the location area information of described user equipment (UE) is consistent with the location area information of described re-selecting cell, it is determined that described re-selecting cell is the community that user equipment (UE) is normally resident.
11. device according to claim 9, it is characterised in that also include:
Measuring and control message reception module, for when receiving paging request message, the measurement that reception network side sends controls message；
Adjacent cell information acquisition module, for according to the described adjacent cell information measured and control the community that message obtains and described user equipment (UE) is resident.
12. device according to claim 9, it is characterised in that described cell reselection module includes:
The first system message reading submodule, for reading the first system message of the highest candidate cell of candidate list medium priority parameter, described the first system message includes the 3rd system information block；
Judge submodule, judge whether described candidate cell meets default cell re-selection conditions for the first system message according to described candidate cell, if, then described candidate cell is the re-selecting cell of user equipment (UE), if it is not, then return candidate list to read the first system message of the second highest candidate cell of priority parameters, by that analogy, wherein
Described default cell re-selection conditions is:
In the interval of predetermined threshold value, the priority parameters of described candidate cell is higher than the priority parameters of described user equipment (UE) Serving cell, and, the information that restricted information is unrestricted access community is accessed in the community obtained from described 3rd system information block.
13. device according to claim 9, it is characterised in that described the first system message includes the first system chunk message, and described re-selecting cell location area information acquisition module includes:
Location area information obtains submodule, for obtaining the location area information of described re-selecting cell from described the first system chunk message.
14. the device according to claim 9 or 13, it is characterised in that described location area information more new module includes:
Location updating submodule, for updating the location area information that location area information is described re-selecting cell of described user equipment (UE).
15. device according to claim 9, it is characterised in that the location area information of described user equipment (UE) is stored in the identification card of user equipment (UE).
16. according to the device described in claim 9-15 any claim, it is characterised in that described the first system message also includes second system chunk message, the 5th system information block message, the 7th system information block message；Described second system message includes the 11st system information block message, the 18th System information block message.
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| CN109121227B (en) * | 2018-08-31 | 2022-02-22 | 重庆邮电大学 | 5G terminal physical layer state and task design method thereof |
| CN111565428B (en) * | 2019-02-14 | 2022-10-25 | 华为技术有限公司 | Cell reselection method and device |
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