CN103813399B - Terminal selects the method and terminal of cell - Google Patents
Terminal selects the method and terminal of cell Download PDFInfo
- Publication number
- CN103813399B CN103813399B CN201210459146.3A CN201210459146A CN103813399B CN 103813399 B CN103813399 B CN 103813399B CN 201210459146 A CN201210459146 A CN 201210459146A CN 103813399 B CN103813399 B CN 103813399B
- Authority
- CN
- China
- Prior art keywords
- business
- cell
- terminal
- persistent district
- current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The present invention provides a kind of method and terminal that terminal selects cell, is related to radio network technique field.Wherein methods described includes：Terminal is detected when cell occurs Radio Link Failure, the quantity and classification of the current ongoing business of terminal is obtained；According to the quantity and classification of the business, corresponding cell-reselection procedure is enabled, determine the final persistent district of the terminal.The method of the present invention and terminal can effectively shorten the off-grid reconstruction time delay after Radio Link Failure, make user's access network as early as possible；For voice and packet data concurrent service, on the premise of can formerly meeting basic service demand, while keeping network connection, terminal is further redirected to more excellent cell, lifts Consumer's Experience.
Description
Technical field
The present invention relates to field of wireless, there is provided a kind of terminal selects the method and terminal of cell.
Background technology
During e-learning quality, the deployment of new network is often iterative method, it will usually Multi net voting occurs and deposits
Scene, to TDD（Time Division Duplexing, time division duplex）For system, there will be TD-SCDMA and TD-LTE and mix
Conjunction is arranged net the stage, especially at the TD-LTE networking initial stages, networking and networking planning it is not perfect, it is likely that occur cover compared with
Weak-strong test, need to provide service jointly with TD-SCDMA network, as shown in figure 1, in the scope that TD-LTE covers cavity, terminal pole
Easily there is Radio Link Failure（That is off-grid）, service disconnection is caused, now terminal is needed based on the cell-reselection procedure rebuild, choosing
Fixed new persistent district.
Existing LTE standard（TS36.304）Defined in cell-reselection procedure have the following two kinds：
a）. initial cell selects, and this process need not be known a priori by E-UTRA（Evolved Universal
Terrestrial Radio Access, the land wireless access of evolution）The frequency of system, UE（Terminal）Energy is supported according to which
Power, all frequencies searched in E-UTRA frequency bands, in each carrier frequency, UE only needs to search for the most strong cell of signal, and one
Denier finds suitable cell, just selects the cell and is resident.
b）. the cell of storage information is selected, and this process needs carrier frequency information or the cell parameter information for prestoring, and this is deposited
The carrier frequency information of storage can be the cell information, or previously received mistake being resident in the past measure-controlling unit in carry
Cell information.UE carries out cell searching in the range of the carrier frequency information for prestoring, once finding suitable cell, just selects
The cell is resident；If not finding suitable cell, initial cell selection course is re-started.
According to above-mentioned standard flow process, terminal, can be first according to b after LTE network occurs off-grid）Cell searching/selection is carried out,
If not finding the suitable cell matched with the carrier frequency information for storing, subsequently will be according to a）Proceed LTE cell searchings, if
Still suitable cell is not searched, just can be according to certain priority then removal search legacy RAT（Original wireless access
System）Cell.
When above-mentioned flow process tends to off-grid, terminal preferentially resides in LTE network, is easy to provide reliable business service, but its
And be optimized not according to concrete business demand during off-grid, cell selection time can be caused long, Consumer's Experience is had a strong impact on,
Especially at the LTE networking initial stages, due to network coverage imperfection, there is LTE and mix the scene arranged net with UTRA, terminal occurs de-
After net, it is likely that needs are resident UTRA networks and continue offer service, and above-mentioned flow process can make terminal long-time in search LTE
The state of network, causes overall off-grid reconstruction time delay long, in the case of especially having multinomial service concurrence in off-grid, will
Have a strong impact on service feature and Consumer's Experience.
The problem is verified that test result shows in the cell connected state off-grid of TD-LTE pilot tests rebuilds test
Show：When overall off-grid reconstruction time delay is about 25 seconds, wherein being within about 20 seconds LTE network search time.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of method and terminal that terminal selects cell, so as to shorten generation
During Radio Link Failure, terminal carries out the time delay of off-grid reconstruction, and on the premise of basic service network connection is kept, by terminal
More excellent cell is redirected to further.
Embodiments of the invention provide a kind of method that terminal selects cell, comprise the steps：
Terminal is detected when cell occurs Radio Link Failure, obtain the current ongoing business of terminal quantity and
Classification；
According to the quantity and classification of the business, corresponding cell-reselection procedure is enabled, determine that the terminal is final and stay
Stay cell.
Wherein, the quantity and classification according to the business, enables corresponding cell-reselection procedure, determines that the terminal is final
Persistent district the step of include：
If the quantity of the business is 1, the business is defined as into current selected business, and according to the current selected industry
The type of business, according to initial ranging flow process, determines the final persistent district of the terminal；
If the quantity of the business is more than 1, according to the priority orders of business, instantaneity highest priority is selected first
Business be current selected business, according to the type of the current selecting business, according to initial ranging flow process, determine the terminal
Persistent district, to other business in addition to the current selected business, the business for gradually choosing instantaneity highest priority is
Current selected business, and each current selected business is based on, according to circulation BUCKET-BASED SEARCHING BACKGROUNDSearch flow process, determine that the terminal is final and be resident
Cell.
Wherein, the type of the business includes：Demand service, non-instant have cache business without cache business and non-instant.
Wherein, the type according to the current selecting business, according to initial ranging flow process, determines the persistent district of the terminal
The step of include：
If the current selected business is demand service, cell selection procedures one are enabled first and is scanned for, if not looking for
To suitable persistent district, then cell selection procedures three are enabled again and is scanned for；
If the current selected business is non-instant without cache business, enabling the cell selection procedures one first is carried out
Search, if not finding suitable persistent district, then enables cell selection procedures two and scans for, if in a preset time T 1
Suitable persistent district is not found yet, then enable the cell selection procedures three again and scan for；
If the current selected business has cache business for non-instant, enabling the cell selection procedures one first is carried out
Search, if not finding suitable persistent district, then enables the cell selection procedures two and scans for, if do not find yet it is suitable
Persistent district, then enable the cell selection procedures three again and scan for.
Wherein, the cell selection procedures one include：Carrier frequency information or cell parameter according to prestoring carries out cell
Search, if finding suitable cell, resides in the cell.Wherein, the information of storage can be the cell letter being resident in the past
The cell information carried in the measure-controlling unit of breath, or previously received mistake；
The cell selection procedures two include：Cell searching is carried out according to all frequency point informations that UE abilities are supported, for
Each frequency searches only for the most strong cell of signal, once finding suitable cell, then selects the cell to be resident；
The cell selection procedures three include：Cell searching is carried out according to the frequency point information of other RAT, is found and is suitably stayed
Stay cell.
Wherein, to other business in addition to the current selected business, gradually choose the industry of instantaneity highest priority
It is engaged in as current selected business, and is based on each current selected business, according to circulation BUCKET-BASED SEARCHING BACKGROUNDSearch flow process, determines that the terminal is final
The step of persistent district, includes：
If having found suitable persistent district after carrying out the initial ranging flow process based on current selected business, removing
In other unselected business outside the current selected business, then the business of an instantaneity highest priority is chosen as working as
Front selecting business, and according to the type of newest selected current selected business, than the current persistent district place network more
In the corresponding frequency point ranges of senior network, according to the initial ranging flow process, the final persistent district of the terminal is determined, directly
All completed to terminate after search routine as current selected business to all business.
Wherein, the priority of the demand service is higher than priority of the non-instant without cache business, the non-instant
Priority without cache business has the priority of cache business higher than the non-instant.
Wherein, the type according to newest selected current selected business, than the current persistent district place network more
In the corresponding frequency point ranges of senior network, according to the initial ranging flow process, the final persistent district of the terminal is determined
Step includes：
According to the type of newest selected current selected business, than the current persistent district place network higher level
In the corresponding frequency point ranges of network, according to the initial ranging flow process, if finding in preset time period T2 new resident little
Area, then the terminal be redirected to the new persistent district from the current persistent district, otherwise, keep it is described currently be resident it is little
Area is constant.
Embodiments of the invention also provide a kind of terminal, including：
Acquisition module, for terminal when cell occurs Radio Link Failure, obtains the current ongoing business of terminal
Quantity and classification；
Cell selection module, for quantity and classification according to the business, enables corresponding cell-reselection procedure, it is determined that
The final persistent district of the terminal.
Wherein, the cell selection module specifically for：
If the quantity of the business is 1, the business is defined as into current selected business, and according to the current selected industry
The type of business, according to initial ranging flow process, determines the final persistent district of the terminal；
If the quantity of the business is more than 1, according to the priority orders of business, instantaneity highest priority is selected first
Business be current selected business, according to the type of the current selecting business, according to initial ranging flow process, determine the terminal
Persistent district, to other business in addition to the current selected business, the business for gradually choosing instantaneity highest priority is
Current selected business, and each current selected business is based on, according to circulation BUCKET-BASED SEARCHING BACKGROUNDSearch flow process, determine that the terminal is final and be resident
Cell.
Wherein, the type of the business includes：Demand service, non-instant have cache business without cache business and non-instant.
Wherein, the cell selection module is further used for：
If the current selected business is demand service, cell selection procedures one are enabled first and is scanned for, if not looking for
To suitable persistent district, then cell selection procedures three are enabled again and is scanned for；
If the current selected business is non-instant without cache business, enabling the cell selection procedures one first is carried out
Search, if not finding suitable persistent district, then enables cell selection procedures two and scans for, if in a preset time T 1
Suitable persistent district is not found yet, then enable the cell selection procedures three again and scan for；
If the current selected business has cache business for non-instant, enabling the cell selection procedures one first is carried out
Search, if not finding suitable persistent district, then enables the cell selection procedures two and scans for, if do not find yet it is suitable
Persistent district, then enable the cell selection procedures three again and scan for.
Wherein, the cell selection procedures one include：Carrier frequency information or cell parameter according to prestoring carries out cell
Search, if finding suitable cell, resides in the cell.Wherein, the information of storage can be the cell letter being resident in the past
The cell information carried in the measure-controlling unit of breath, or previously received mistake；
The cell selection procedures two include：Cell searching is carried out according to all frequency point informations that UE abilities are supported, for
Each frequency searches only for the most strong cell of signal, once finding suitable cell, then selects the cell to be resident；
The cell selection procedures three include：Cell searching is carried out according to the frequency point information of other RAT, is found and is suitably stayed
Stay cell.
Wherein, the cell selection module is further used for：If carrying out the initial ranging stream based on current selected business
Suitable persistent district is found after journey, then in other the unselected business in addition to the current selected business, then has been selected
The business of an instantaneity highest priority is taken as current selected business, and according to the class of newest selected current selected business
Type, in than the corresponding frequency point ranges of the network of the current persistent district place network higher level, according to the initial ranging
Flow process, determines the final persistent district of the terminal, until all business are all completed search routine as current selected business
After terminate.
Wherein, the priority of the demand service is higher than priority of the non-instant without cache business, the non-instant
Priority without cache business has the priority of cache business higher than the non-instant.
Wherein, the cell selection module is further used for：According to the type of newest selected current selected business, than
In the corresponding frequency point ranges of network of the current persistent district place network higher level, according to the initial ranging flow process, if
New persistent district is found in preset time period T2, then this to be redirected to from the current persistent district new for the terminal
Persistent district, otherwise, keeps the current persistent district constant.
The above-mentioned technical proposal of the present invention has the beneficial effect that：
When terminal occurs off-grid, according to the quantity and classification of ongoing business, start different cells and select stream
Journey, for single business, can effectively shorten the off-grid after RLF and rebuild time delay, make user's access network as early as possible；For concurrent industry
Business, on the premise of can formerly meeting basic service demand, while keeping network connection, terminal is further redirected to more excellent
Cell, lifted Consumer's Experience.
Description of the drawings
Fig. 1 is the multi-network coexisted scene description figure of arranging net that is likely to occur during e-learning quality；
Fig. 2 is the method schematic diagram that the terminal of the present invention selects cell；
Detail flowcharts of the Fig. 3 for embodiments of the invention 1；
Overall flow figures of the Fig. 4 for embodiments of the invention 1；
Fig. 5 is the flow chart of initial search process in embodiments of the invention 1；
Fig. 6 is the flow chart of circulation BUCKET-BASED SEARCHING BACKGROUNDSearch process in embodiments of the invention 2.
Specific embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
Embodiment 1
As shown in Fig. 2 a kind of terminal selects the method for cell to comprise the steps：
Step 1, detects terminal when cell occurs Radio Link Failure, obtains the current ongoing business of terminal
Quantity and classification；
Step 2, according to the quantity and classification of the business, enables corresponding cell-reselection procedure, determines the terminal most
Whole persistent district.
This method carries out difference by ongoing number of services during distinguishing terminal generation Radio Link Failure and classification
Cell-reselection procedure, be capable of achieving preferentially to select persistent district based on basic service, basic service connection be able to ensure it is same
When, further redirecting cell is carried out based on other business again, will not delay user's most base because search Cell time is long
This demand.
As shown in figure 3, for the specific embodiment 1 of the present invention, on the basis of above-mentioned steps 1 and 2, wherein, step 2 is also
Can include：
The business, if the quantity of the business is 1, is defined as current selected business by step 21, and according to deserving
The type of front selecting business, according to initial ranging flow process 21a, determines the final persistent district of the terminal；
Step 22, if the quantity of the business is more than 1：According to the priority orders of business, select instantaneity excellent first
First level highest business is current selected business；According to the type of the current selecting business, according to initial ranging flow process 21a, really
The persistent district of the fixed terminal；To other business in addition to the current selected business, instantaneity priority is gradually chosen
Highest business is current selected business, and is based on each current selected business, according to circulation BUCKET-BASED SEARCHING BACKGROUNDSearch flow process 22a, determines institute
State the final persistent district of terminal.
Wherein, the type of the business includes：Demand service, non-instant have cache business without cache business and non-instant；
Further, initial ranging flow process 21a can also include：
Step 21a1, if the current selected business is demand service, enabling cell selection procedures 1 first is carried out
Search, if not finding suitable persistent district, then enables cell selection procedures 3 203 and scans for；
Step 21a2, if the current selected business be non-instant without cache business, enable the cell first and select
Step one 201 is scanned for, if not finding suitable persistent district, then is enabled cell selection procedures 2 202 and is scanned for, if
Suitable persistent district is not found yet in a preset time T 1, then enable the cell selection procedures 3 203 again and scan for；
Step 21a3, if the current selected business has cache business for non-instant, enables the cell first and selects
Step one 201 is scanned for, if not finding suitable persistent district, then is enabled cell selection procedures 2 202 and is scanned for, if
Suitable persistent district is not found yet, then enable the cell selection procedures 3 203 again and scan for.
Wherein, the cell selection procedures 1 include：Carrier frequency information or cell parameter according to prestoring carries out little
Area searching, if finding suitable cell, resides in the cell；Wherein, the carrier frequency information of storage can be resident in the past
The cell information carried in cell information, and/or the measure-controlling unit of previously received mistake；
The cell selection procedures 2 202 include：Cell searching, pin are carried out according to all frequency point informations that UE abilities are supported
The most strong cell of signal is searched only for each frequency, once finding suitable cell, then selects the cell to be resident；
The cell selection procedures 3 203 include：Cell searching is carried out according to the frequency point information of other RAT, it is suitable to find
Persistent district.
Wherein, circulation BUCKET-BASED SEARCHING BACKGROUNDSearch flow process 22a includes：
If having found suitable persistent district after carrying out the initial ranging flow process based on current selected business, removing
In other unselected business outside the current selected business, then the business of an instantaneity highest priority is chosen as working as
Front selecting business, and according to the type of newest selected current selected business, than the current persistent district place network more
In the corresponding frequency point ranges of senior network, according to the initial ranging flow process, the final persistent district of the terminal is determined.
Wherein, the priority of the demand service is higher than priority of the non-instant without cache business, the non-instant
Priority without cache business has the priority of cache business higher than the non-instant.
Further, circulation BUCKET-BASED SEARCHING BACKGROUNDSearch flow process 22a also includes：
According to the type of newest selected current selected business, than the current persistent district place network higher level
In the corresponding frequency point ranges of network, according to the initial ranging flow process, if finding in preset time period T2 new resident little
Area, then the terminal be redirected to the new persistent district from the current persistent district, otherwise, keep it is described currently be resident it is little
Area is constant；Until all business all are completed to terminate after search routine as current selected business.
With reference to Fig. 4-Fig. 6, methods described is further described in detail：
As shown in figure 4, the method includes：
Step 61, detects terminal and Radio Link Failure occurs；
Step 62, obtains the quantity and classification of the current ongoing business of terminal；
Step 63, judges to ongoing number of services, and 64 are gone to step during a business, turns step during multinomial business
Rapid 66；
The business is defined as current selected business by step 64；
Step 65, carries out initial ranging flow process.
Wherein, it is described carry out initial ranging flow process as shown in figure 5, including：
Step 65a, judges type of service, if the business is demand service, carries out step 651, if the business is non-
Demand service goes to step 65b；
Step 651, carries out cell searching according to the carrier frequency information or cell parameter that prestore, if do not found suitably
Cell, then carry out step 653, carries out cell searching according to the frequency point information of other RAT；
Step 65b, judges whether the non-instant business has caching；
If without caching, carrying out step 651, if not finding suitable cell, step 652 is carried out, according to UE abilities
The all frequency point informations supported carry out cell searching, search only for the most strong cell of signal for each frequency；Step 65c, judges
Whether step 652 search time reaches time T1 set in advance, no, continues step 652.It is to carry out step 653；
If caching, step 651 is carried out, if not finding suitable cell, step 652 is carried out, if still not
Suitable cell can be found, then carries out step 653；
After initial ranging flow process, step 71 is carried out；
Step 71, detects whether to find suitable cell, is, carry out step 72, is resident the cell.It is no, carry out step 74
Terminate；
Step 66, if ongoing business is multinomial business：According to the priority orders of business, selection first is
The business of when property highest priority is current selected business；Wherein, the priority orders of the business are had precedence over for demand service
Without cache business, the non-instant has precedence over the non-instant without cache business cache business to the non-instant.
Whether step 67, terminal have persistent district.It is to carry out step 68, starts the cycle over BUCKET-BASED SEARCHING BACKGROUNDSearch flow process；It is no, return
Return step 65；
In wherein described circulation BUCKET-BASED SEARCHING BACKGROUNDSearch flow process, as shown in fig. 6, also including：
Step 68a, is carried out in than the corresponding frequency point ranges of the network of the current persistent district place network higher level
Initial ranging；
Step 68b, judges whether to reach time T2 set in advance；It is to carry out step 68d；It is no, carry out step 68c after
It is continuous to scan for；
Step 68d, judges whether to find suitable cell, is, carry out step 68e；It is no, carry out step 68f and keep described
Current persistent district is constant；
Step 68e, terminal initiate former cell RRC release（Release signal）, so that the RRC of the former cell of terminal release
Connection；
Step 68g, is redirected to the new persistent district；
After circulation BUCKET-BASED SEARCHING BACKGROUNDSearch flow process, step 73 is carried out；
Step 73, judges whether all business are all completed search routine as current selected business, is to carry out step 74
Terminate.It is no, return to step 66.Wherein, search routine here can be initial ranging flow process, or circulation BUCKET-BASED SEARCHING BACKGROUNDSearch
Flow process.
Embodiments of the invention, by quantity and classification according to ongoing business during terminal generation off-grid, enable
Corresponding cell-reselection procedure, determines the persistent district of the terminal, and when there is Radio Link Failure so as to shorten, terminal is carried out
Off-grid rebuild time delay, further, during for off-grid, have the situation of multinomial service concurrence, pay the utmost attention to basic service carry out it is little
Area selects, behind terminal persistent district, while search and the redirection of more excellent cell is carried out based on other business, will not be because of searching
Rope Cell time is long and delays the most basic demand of user.Further, in circulation BUCKET-BASED SEARCHING BACKGROUNDSearch flow process, if based on current
Selecting business has found suitable persistent district after carrying out the initial ranging flow process, then in addition to the current selected business
Other unselected business in, gradually choose the business of instantaneity highest priority as current selected business, and according to newest
The type of selected current selected business, than the corresponding frequency model of the network of the current persistent district place network higher level
Interior search cell is enclosed, while preset time period T2, if having found new persistent district by circulating BUCKET-BASED SEARCHING BACKGROUNDSearch in T2, eventually
The new persistent district is redirected to from current persistent district in end, otherwise, keeps current persistent district constant, so as to can both avoid
Searched for multifrequency point and cause terminal off-grid reconstruction time long to meet multinomial business demand, can avoid again excellent based on instantaneity
The cell of first level highest service selection can not meet other business demands, cause Consumer's Experience to decline.
Embodiment 2
A kind of terminal, including：Acquisition module, for terminal when cell occurs Radio Link Failure, obtains terminal current
The quantity and classification of ongoing business；Cell selection module, for quantity and classification according to the business, enables corresponding
Cell-reselection procedure, determine the final persistent district of the terminal.
When there is cell reconstruction after off-grid to solve terminal, delay the most basic business need of user because search time is long
Problem is sought, and first, when terminal generation RLF is obtained by acquisition module, ongoing number of services and classification, secondly, are selected by cell
Selecting quantity and classification of the module based on business carries out different cell-reselection procedures, preferentially selects resident little based on basic service
Area, while basic service connection is ensured, is further circulated BUCKET-BASED SEARCHING BACKGROUNDSearch and cell weight based on other business again
Orientation.
The cell selection module specifically for：
If the quantity of the business is 1, the business is defined as into current selected business, and according to the current selected industry
The type of business, carries out initial ranging flow process：
1. current selected business is demand service, then enable cell selection procedures one first and scan for, if not finding conjunction
Suitable persistent district, then enable cell selection procedures three again and scan for；
2. current selected business is non-instant without cache business, then enable the cell selection procedures one first and searched
Rope, if not finding suitable persistent district, then enables cell selection procedures two and scans for, if in the preset time T 1 still
Suitable persistent district is not found, is then enabled the cell selection procedures three again and is scanned for；
3. current selected business has cache business for non-instant, then enable the cell selection procedures one first and searched
Rope, if not finding suitable persistent district, then enables cell selection procedures two and scans for, if not finding yet suitable resident
Cell, then enable the cell selection procedures three again and scan for.
Wherein the cell selection procedures one include：Carrier frequency information or cell parameter according to prestoring carries out cell and searches
Rope, if finding suitable persistent district, resides in the cell.Wherein, the information of storage can be the cell being resident in the past
The cell information carried in the measure-controlling unit of information, or previously received mistake；The cell selection procedures two include：
Cell searching is carried out according to all frequency point informations that UE abilities are supported, the most strong cell of signal is searched only for for each frequency, one
Denier finds suitable cell, then select the cell to be resident；The cell selection procedures three include：Believed according to the frequency of other RAT
Breath carries out cell searching, finds suitable persistent district.
If the quantity of the business is more than 1, according to the priority orders of business, the industry of instantaneity highest priority is selected
It is engaged in as current selected business, the priority orders can have precedence over the non-instant without cache business for demand service, described non-
Immediately having precedence over the non-instant without cache business has cache business.Afterwards further according to the type of the current selecting business, according to
Initial ranging flow process, determines the persistent district of the terminal, and other business in addition to the current selected business are followed
Ring BUCKET-BASED SEARCHING BACKGROUNDSearch flow process：If having found suitable persistent district after carrying out the initial ranging flow process based on current selected business,
Then in other the unselected business in addition to the current selected business, then the business for choosing an instantaneity highest priority
As current selected business, and according to the type of newest selected current selected business, it is being located than the current persistent district
In the corresponding frequency point ranges of network of network higher level, according to the initial ranging flow process, determine that the terminal is final and be resident
Cell.
In addition, the terminal is additionally provided with set of time module, for pre-setting a time period T2, if by following in T2
Ring BUCKET-BASED SEARCHING BACKGROUNDSearch flow process finds new persistent district, then terminal is redirected to the new persistent district from current persistent district, no
Then, keep current persistent district constant.Until all business all are completed to terminate after search routine as current selected business.
The terminal of the present embodiment can carry out difference when there is off-grid according to the quantity and classification of ongoing business
Cell-reselection procedure, for single business, effectively can shorten the off-grid after RLF rebuild time delay, make user's access network as early as possible；
For voice and packet data concurrent service, on the premise of can formerly meeting basic service demand, while keeping network connection, terminal is further weighed
More excellent cell is directed to, Consumer's Experience is lifted.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of without departing from principle of the present invention, some improvements and modifications can also be made, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (14)
1. a kind of method that terminal selects cell, it is characterised in that comprise the steps：
Terminal is detected when cell occurs Radio Link Failure, the quantity and class of the current ongoing business of terminal is obtained
Not；
According to the quantity and classification of the business, corresponding cell-reselection procedure is enabled, determine final resident little of the terminal
Area；
Wherein, the quantity and classification according to the business, enables corresponding cell-reselection procedure, determines that the terminal is final and stays
The step of staying cell includes：
If the quantity of the business is 1, the business is defined as into current selected business, and according to the current selecting business
Type, according to initial ranging flow process, determines the final persistent district of the terminal；
If the quantity of the business is more than 1, according to the priority orders of business, the industry of instantaneity highest priority is selected first
It is engaged in as current selected business, according to the type of the current selecting business, according to initial ranging flow process, determines the resident of the terminal
Cell, to other business in addition to the current selected business, the business for gradually choosing instantaneity highest priority is current
Selecting business, and each current selected business is based on, according to circulation BUCKET-BASED SEARCHING BACKGROUNDSearch flow process, determine final resident little of the terminal
Area.
2. method according to claim 1, it is characterised in that the type of the business includes：Demand service, non-instant without
Cache business and non-instant have cache business.
3. method according to claim 2, it is characterised in that according to the type of the current selecting business, according to initially searching
The step of Suo Liucheng, persistent district for determining the terminal, includes：
If the current selected business is demand service, cell selection procedures one are enabled first and is scanned for, if not finding conjunction
Suitable persistent district, then enable cell selection procedures three again and scan for；
If the current selected business is non-instant without cache business, the cell selection procedures one are enabled first and is searched
Rope, if not finding suitable persistent district, then enables cell selection procedures two and scans for, if in the preset time T 1 still
Suitable persistent district is not found, is then enabled the cell selection procedures three again and is scanned for；
If the current selected business has cache business for non-instant, the cell selection procedures one are enabled first and is searched
Rope, if not finding suitable persistent district, then enables the cell selection procedures two and scans for, if do not find yet it is suitable
Persistent district, then enable the cell selection procedures three again and scan for.
4. method according to claim 3, it is characterised in that
The cell selection procedures one include：Carrier frequency information or cell parameter according to prestoring carries out cell searching, if looking for
To suitable cell, then the cell is resided in；Wherein, the carrier frequency information of storage includes：The cell information being resident in the past, and/
Or the cell information carried in the measure-controlling unit of previously received mistake；
The cell selection procedures two include：Cell searching is carried out according to all frequency point informations that UE abilities are supported, for each
Frequency searches only for the most strong cell of signal, once finding suitable cell, then selects the cell to be resident；
The cell selection procedures three include：Cell searching is carried out according to the frequency point information of other RAT, is found suitably resident little
Area.
5. the method according to any one of claim 2-4, it is characterised in that to its in addition to the current selected business
Its business, the business for gradually choosing instantaneity highest priority are current selected business, and are based on each current selected business, according to
Circulation BUCKET-BASED SEARCHING BACKGROUNDSearch flow process, includes the step of determine the terminal final persistent district：
If having found suitable persistent district after carrying out the initial ranging flow process based on current selected business, except described
In other unselected business outside current selected business, then select choose an instantaneity highest priority business as work as
Front selecting business, and according to the type of newest selected current selected business, than the current persistent district place network more
In the corresponding frequency point ranges of senior network, according to the initial ranging flow process, the final persistent district of the terminal is determined, directly
All completed to terminate after search routine as current selected business to all business.
6. method according to claim 5, it is characterised in that the priority of the demand service higher than the non-instant without
The priority of cache business, priority of the non-instant without cache business have the preferential of cache business higher than the non-instant
Level.
7. method according to claim 5, it is characterised in that according to the type of newest selected current selected business,
Than in the corresponding frequency point ranges of the network of the current persistent district place network higher level, according to the initial ranging flow process,
The step of determining the terminal final persistent district includes：
According to the type of newest selected current selected business, in the network than the current persistent district place network higher level
In corresponding frequency point ranges, according to the initial ranging flow process, if finding new persistent district in preset time period T2,
The terminal is redirected to the new persistent district from the current persistent district, otherwise, keeps the current persistent district not
Become.
8. a kind of terminal, it is characterised in that include：
Acquisition module, for terminal when cell occurs Radio Link Failure, obtains the number of the current ongoing business of terminal
Amount and classification；
Cell selection module, for quantity and classification according to the business, enables corresponding cell-reselection procedure, it is determined that described
The final persistent district of terminal；
Wherein, the cell selection module specifically for：
If the quantity of the business is 1, the business is defined as into current selected business, and according to the current selecting business
Type, according to initial ranging flow process, determines the final persistent district of the terminal；
If the quantity of the business is more than 1, according to the priority orders of business, the industry of instantaneity highest priority is selected first
It is engaged in as current selected business, according to the type of the current selecting business, according to initial ranging flow process, determines the resident of the terminal
Cell, to other business in addition to the current selected business, the business for gradually choosing instantaneity highest priority is current
Selecting business, and each current selected business is based on, according to circulation BUCKET-BASED SEARCHING BACKGROUNDSearch flow process, determine final resident little of the terminal
Area.
9. terminal according to claim 8, it is characterised in that the type of the business includes：Demand service, non-instant without
Cache business and non-instant have cache business.
10. terminal according to claim 9, it is characterised in that the cell selection module is further used for：
If the current selected business is demand service, cell selection procedures one are enabled first and is scanned for, if not finding conjunction
Suitable persistent district, then enable cell selection procedures three again and scan for；
If the current selected business is non-instant without cache business, the cell selection procedures one are enabled first and is searched
Rope, if not finding suitable persistent district, then enables cell selection procedures two and scans for, if in the preset time T 1 still
Suitable persistent district is not found, is then enabled the cell selection procedures three again and is scanned for；
If the current selected business has cache business for non-instant, the cell selection procedures one are enabled first and is searched
Rope, if not finding suitable persistent district, then enables the cell selection procedures two and scans for, if do not find yet it is suitable
Persistent district, then enable the cell selection procedures three again and scan for.
11. terminals according to claim 10, it is characterised in that
The cell selection procedures one include：Carrier frequency information or cell parameter according to prestoring carries out cell searching, if looking for
To suitable cell, then the cell is resided in；Wherein, the carrier frequency information of storage includes：The cell information being resident in the past, and/
Or the cell information carried in the measure-controlling unit of previously received mistake；
The cell selection procedures two include：Cell searching is carried out according to all frequency point informations that UE abilities are supported, for each
Frequency searches only for the most strong cell of signal, once finding suitable cell, then selects the cell to be resident；
The cell selection procedures three include：Cell searching is carried out according to the frequency point information of other RAT, is found suitably resident little
Area.
12. terminals according to any one of claim 9-11, it is characterised in that the cell selection module is further used
In：If having found suitable persistent district after carrying out the initial ranging flow process based on current selected business, except described
In other unselected business outside current selected business, then the business of an instantaneity highest priority is chosen as current choosing
Determine business, and according to the type of newest selected current selected business, than the current persistent district place network higher level
The corresponding frequency point ranges of network in, according to the initial ranging flow process, determine the final persistent district of the terminal, Zhi Daosuo
There is business all to be completed to terminate after search routine as current selected business.
13. terminals according to claim 12, it is characterised in that the priority of the demand service is higher than the non-instant
Priority without cache business, priority of the non-instant without cache business have the preferential of cache business higher than the non-instant
Level.
14. terminals according to claim 12, it is characterised in that the cell selection module is further used for：According to most
The type of the new current selected business selected, than the corresponding frequency of the network of the current persistent district place network higher level
In the range of, according to the initial ranging flow process, if new persistent district is found in preset time period T2, the terminal from
The new persistent district is redirected in the current persistent district, otherwise, keeps the current persistent district constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210459146.3A CN103813399B (en) | 2012-11-14 | 2012-11-14 | Terminal selects the method and terminal of cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210459146.3A CN103813399B (en) | 2012-11-14 | 2012-11-14 | Terminal selects the method and terminal of cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103813399A CN103813399A (en) | 2014-05-21 |
| CN103813399B true CN103813399B (en) | 2017-03-29 |
Family
ID=50709480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210459146.3A Active CN103813399B (en) | 2012-11-14 | 2012-11-14 | Terminal selects the method and terminal of cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103813399B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107846271B (en) * | 2014-12-16 | 2021-02-26 | 陈国栋 | Signal transmitting method based on LTE system for improving link throughput performance |
| CN105792325B (en) * | 2014-12-26 | 2019-10-11 | 展讯通信（上海）有限公司 | User terminal and its cell selecting method and device |
| CN105554910B (en) * | 2015-09-30 | 2019-06-11 | 宇龙计算机通信科技(深圳)有限公司 | A kind of the mobile communications network control method and mobile terminal of mobile terminal |
| CN108495345B (en) * | 2018-03-21 | 2020-06-02 | 北京小米移动软件有限公司 | Method, device and system for accessing cell |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1568028A (en) * | 2003-06-19 | 2005-01-19 | 大唐移动通信设备有限公司 | Method for controlling cross-region switching in mobile communication system |
| CN1968535A (en) * | 2006-11-27 | 2007-05-23 | 华为技术有限公司 | Method and apparatus for selecting target cell |
| CN101626612A (en) * | 2008-07-09 | 2010-01-13 | 中兴通讯股份有限公司 | Method and system for realizing mobility management |
| CN102480758A (en) * | 2010-11-26 | 2012-05-30 | 北京创毅视讯科技有限公司 | Wireless communication terminal with multi-communication connection capacity and cell selecting method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8600434B2 (en) * | 2010-01-25 | 2013-12-03 | Lg Electronics Inc. | Method and apparatus of cell searching in a wireless communication system |
-
2012
- 2012-11-14 CN CN201210459146.3A patent/CN103813399B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1568028A (en) * | 2003-06-19 | 2005-01-19 | 大唐移动通信设备有限公司 | Method for controlling cross-region switching in mobile communication system |
| CN1968535A (en) * | 2006-11-27 | 2007-05-23 | 华为技术有限公司 | Method and apparatus for selecting target cell |
| CN101626612A (en) * | 2008-07-09 | 2010-01-13 | 中兴通讯股份有限公司 | Method and system for realizing mobility management |
| CN102480758A (en) * | 2010-11-26 | 2012-05-30 | 北京创毅视讯科技有限公司 | Wireless communication terminal with multi-communication connection capacity and cell selecting method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103813399A (en) | 2014-05-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI741345B (en) | Method of flexible radio access technology selection and user equipment thereof | |
| US9288723B2 (en) | Apparatus, computer programs and methods for enabling filtering of neighbor cells or frequencies | |
| CN103621148B (en) | Reduce PLMN search time | |
| CN104885525B (en) | For the method that communicates in the wireless communication system for supporting multi-access network and the device for supporting it | |
| CN101873637B (en) | Mobile communication devices, methods and systems of priority load balance | |
| TWI445418B (en) | Method for radio access technology change | |
| CN105474689B (en) | It is oriented to the method and apparatus of business in a wireless communication system | |
| KR100664208B1 (en) | Method for cell reselection in network of hierarchical cell structure | |
| CN113170385B (en) | Method and device for searching cell | |
| CN103582070B (en) | A kind of method of multiple mode terminal searching network and multimode terminal | |
| CN112335292A (en) | Method and apparatus for handling cell selection and reselection in an MR-DC system | |
| ES2658898T3 (en) | Search for PLMN of multiple RATs in parallel | |
| CN103731813A (en) | Network selection method and terminal | |
| WO2013053234A1 (en) | Method and device for increasing network search speed of public land mobile network | |
| CN110913459B (en) | Method for optimizing network selection process of multi-mode multi-band user terminal | |
| CN103813399B (en) | Terminal selects the method and terminal of cell | |
| CN112584445B (en) | Cell selection method and related equipment | |
| CN106465237A (en) | Wireless communication method, processor and wireless terminal | |
| CN105611583A (en) | Method for shortening network search and selection time delay of multimode user terminal | |
| CN102421165B (en) | Communication terminal and network residing method thereof and baseband chip | |
| CN110636569A (en) | Cell reselection method, reselection parameter sending method, terminal and network equipment | |
| KR20220051303A (en) | Method of cell selection, terminal device and network device | |
| CN102231901A (en) | Method for ensuring mobile terminal to reside in network and mobile terminal | |
| CN112055398A (en) | Mobile terminal cell residence method based on historical frequency points | |
| EP2830363B1 (en) | Mobile terminal and network selection method therefor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |