CN101998591A - Cell search method and user equipment - Google Patents
Cell search method and user equipment Download PDFInfo
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- CN101998591A CN101998591A CN2009101623615A CN200910162361A CN101998591A CN 101998591 A CN101998591 A CN 101998591A CN 2009101623615 A CN2009101623615 A CN 2009101623615A CN 200910162361 A CN200910162361 A CN 200910162361A CN 101998591 A CN101998591 A CN 101998591A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
- H04W84/045—Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
本发明实施例公开一种小区搜索方法及用户设备。涉及通信技术领域，以减轻UE重选小区的复杂度、减少耗电。该方法包括：从所在的宏小区的广播信息中，获取封闭签约用户组小区信息；若封闭签约用户组小区信息与存储的封闭签约用户组小区的指纹信息一致，则该封闭签约用户组小区信息所对应的封闭签约用户组小区为匹配封闭签约用户组小区；在匹配封闭签约用户组小区范围内进行搜索。与现有的自动搜索相比，减少了用户设备搜索小区的范围，达到了降低小区重选的复杂度和节电的目的。本发明实施例提供的技术方案可以广泛应用于通信系统及通信设备中。
The embodiment of the present invention discloses a cell search method and user equipment. It relates to the field of communication technology, so as to reduce the complexity of UE cell reselection and reduce power consumption. The method includes: obtaining CSG cell information from the broadcast information of the macro cell where it is located; if the CSG cell information is consistent with the stored fingerprint information of the CSG cell, then the CSG cell information The corresponding CSG cell is a matching CSG cell; the search is performed within the scope of the matching CSG cell. Compared with the existing automatic search, the range of cell search by the user equipment is reduced, and the purpose of reducing the complexity of cell reselection and saving power is achieved. The technical solutions provided by the embodiments of the present invention can be widely applied to communication systems and communication devices.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of small region search method, Apparatus and system.
Background technology
As shown in Figure 1: UE is in the signal cover of macrocell A; Macrocell B is adjacent with macrocell A; Sub-district C, D, E, F, G and K are CSG (Closed Subscriber Group, closed signed user group) sub-districts.CSG sub-district C is in the signal cover of macrocell A; CSG sub-district D and E are in the signal cover of macrocell B; CSG sub-district F, G and K are at the edge of the signal covering of macrocell B.
UE was resident in the past/inserted CSG sub-district D, E, F, G and K, so UE stores the finger print information of CSG sub-district D, E, F, G and K; This finger print information includes but not limited to frequency, scrambler, the position of CSG sub-district.Because CSG sub-district D and E are in the signal cover of macrocell B, finger print information also comprises: the corresponding relation of CSG sub-district and macrocell B.The UE self maintained white list, this white list has been stored the information of the signatory GSG sub-district that can insert of this UE, as CSG ID, and correspondent frequency information, PSC (Primary Scrambling Code, main scrambler) information etc.
When UE moves to macrocell B from macrocell A; UE determines own in the signal cover of macrocell B from the broadcast of macrocell B.UE knows in the signal cover of macrocell B that according to the corresponding relation of CSG sub-district and macrocell B CSG sub-district D and E are arranged.UE according to storage in the past resident/inserted the CSG sub-district, know that this macrocell B came.This process is called fingerprint matching in the industry.
Fingerprint matching triggers search automatically.Automatically the purpose of search finds the CSG sub-district.Existing automatic search procedure is passive and is a sensu lato search.The hunting zone is very wide, comprises all common sub-districts and CSG sub-district.Cause the power consumption of UE to increase.
When searching the CSG sub-district; UE checks this CSG sub-district whether in described white list, if this CSG ID not in white list, UE also can on and on periodically go to attempt search CSG sub-district so, reads broadcast.So just take more.
Summary of the invention
On the one hand, the embodiment of the invention provides a kind of small region search method, to reduce the power consumption of UE.
For achieving the above object, the embodiment of the invention adopts following technical scheme:
A kind of small region search method comprises:
From the broadcast message of the macrocell at place, obtain closed signed user group cell information;
If closed signed user group cell information is consistent with the finger print information of the closed signed user group cell of storage, then the pairing closed signed user group cell of this closed signed user group cell information is the coupling closed signed user group cell;
In coupling closed signed user group cell scope, search for.
On the other hand, the embodiment of the invention provides a kind of subscriber equipment, and this subscriber equipment can the amount of saving energy when carrying out Cell searching.
For achieving the above object, the embodiment of the invention adopts following technical scheme:
A kind of subscriber equipment comprises:
The information acquisition module is used for obtaining closed signed user group cell information from the broadcast message of the macrocell at place;
The fingerprint matching module, if closed signed user group cell information is consistent with the finger print information of the closed signed user group cell of storage, the pairing closed signed user group cell of this closed signed user group cell information is the coupling closed signed user group cell;
Search module is used for searching in coupling closed signed user group cell scope.
In embodiments of the present invention, macrocell is broadcasted all adjacent CSG cell informations.Therefore, UE can directly obtain CSG cell information in the macrocell signal cover and the CSG cell information that is adjacent.In these CSG sub-districts, find out coupling CSG sub-district.UE only in the coupling CSG cell range of obtaining, searches for.Compare with existing automatic search, reduced the scope of user equipment searches sub-district, reached and reduced the complexity of sub-district gravity treatment and the purpose of economize on electricity.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a Cell searching application scenarios schematic diagram;
Fig. 2 is the schematic flow sheet of embodiment of the invention small region search method;
Fig. 3 is the schematic flow sheet of embodiment of the invention fingerprint matching;
Fig. 4 is the schematic flow sheet of embodiment of the invention search CSG sub-district method;
Fig. 5 is the schematic flow sheet of another embodiment of the invention search CSG sub-district method;
Fig. 6 is the structural representation of subscriber equipment;
The attach most importance to structural representation of modeling piece one embodiment of Fig. 7;
The attach most importance to structural representation of another embodiment of modeling piece of Fig. 8.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
For complexity, the minimizing UE power consumption that reduces the sub-district gravity treatment.The embodiment of the invention provides a kind of small region search method, as shown in Figure 2, comprising:
201, from the broadcast message of the macrocell at place, obtain the CSG cell information;
202, judge that closed signed user group cell information is consistent with the fingerprint letter of the closed signed user group cell of storage, then the pairing closed signed user group cell of this closed signed user group cell information is the coupling closed signed user group cell;
203 in the coupling CSG cell range of obtaining, and searches for.
In embodiments of the present invention, macrocell is broadcasted all adjacent CSG cell informations.Therefore, UE can directly obtain CSG cell information in the macrocell signal cover and the CSG cell information that is adjacent.In these CSG sub-districts, find out coupling CSG sub-district.Only in the coupling CSG cell range that UE obtains, search for.Compare with existing automatic search, reduced the scope of user equipment searches sub-district, reached and reduced the complexity of sub-district gravity treatment and the purpose of economize on electricity.
Below method of cell reselection is described in further detail:
201, from the broadcast message of the macrocell at place, obtain the CSG cell information
As shown in Figure 1: UE, CSG sub-district D and E are in the signal cover of macrocell B; CSG sub-district C, F, G and K are the adjacent C SG sub-districts of macrocell B.In embodiments of the present invention, macrocell B not only broadcasts the cell information of CSG sub-district D and E, also broadcasts the cell information of adjacent C SG sub-district C, F, G and K.In Fig. 1, only show four adjacent C SG sub-districts, a plurality of such adjacent C SG sub-districts should be arranged in the reality.
UE reads the broadcast message of macrocell B, just can obtain the cell information of the CSG sub-district in the macrocell B signal cover and the cell information of adjacent C SG sub-district.
202, judge that closed signed user group cell information is consistent with the finger print information of the closed signed user group cell of storage, then the pairing closed signed user group cell of this closed signed user group cell information is the coupling closed signed user group cell; This step specifically comprises following process:
The finger print information of the CSG sub-district of memory resident/inserted as shown in Figure 3,301,
UE was resident in the past/inserted CSG sub-district D, E, F, G and K, so UE stores the finger print information of CSG sub-district D, E, F, G and K; This finger print information includes but not limited to frequency, scrambler, the position of CSG sub-district, the corresponding relation of CSG sub-district and place macrocell;
When UE moves to macrocell B from macrocell A; UE determines own in the signal cover of macrocell B from the broadcast of macrocell B.UE determines in the signal cover of macrocell B that according to the corresponding relation of CSG sub-district and macrocell B CSG sub-district D, E, F, G and K are arranged.Finger print informations such as the frequency of definite then CSG sub-district D, E, F, G and K, scrambler, position.
302, judge whether the CSG cell information is consistent with the finger print information of the CSG sub-district of storage; This step specifically comprises following process:
The CSG cell information that will obtain from broadcast and CSG sub-district D, E, F, G and K finger print information compare;
If there is the CSG sub-district of two information unanimities, as D, E and F fingerprint matching, and UE once inserted this three sub-districts, and trigger search to these three sub-districts;
If it is inconsistent, as G and K, though UE has stored finger print information, but some information of G and K have taken place to change and have caused the finger print information of UE storage expired for some reason, thereby cause fingerprint not match, then do not insert G and these two sub-districts of K before the UE, UE does not search for these two sub-districts, deletes the finger print information (expired) of these two sub-districts simultaneously;
203, in the coupling CSG cell range of obtaining, search for.
In embodiments of the present invention, only in the coupling CSG cell range that UE obtains, search for.Compare with existing automatic search, reduced the scope of user equipment searches sub-district, reached and reduced the complexity of sub-district gravity treatment and the purpose of economize on electricity.
So far, cell search process finishes.
When fingerprint does not match, carry out the search of adjacent area on every side according to current mechanism, the closed signed user sub-district is got rid of in the hunting zone.Carry out the sub-district gravity treatment simultaneously.This is a prior art, repeats no more.
According to Search Results, determine gravity treatment CSG sub-district.Shown in Fig. 4,5, detailed process is as follows:
401, determine the signal quality of coupling CSG sub-district;
402, from described coupling CSG sub-district, the select-out signal quality satisfies the CSG sub-district of inserting threshold value, as candidate CSG sub-district;
403, the signal quality to described candidate CSG sub-district sorts from high to low.
Following step is choosing of CSG sub-district.Divide in two kinds of situation below and be introduced: a kind of UE of being self maintained has white list, this white list has been stored the information of the signatory CSG sub-district that can insert of this UE, as CSG ID, and correspondent frequency information, PSC (Primary Scrambling Code, main scrambler) information etc.Self does not safeguard white list a kind of UE of being.
One, UE self does not safeguard white list
404 ', choose the CSG sub-district that signal quality makes number one, as gravity treatment CSG sub-district.
405 ', initiate lane place (LA)/route district (RA) renewal process to network side: the success of location area renewal process, subscriber equipment resides in current area.
406 ', location area upgrades failure, subscriber equipment is selected the sub-district of ordering second, as gravity treatment CSG sub-district.Carry out 405 ' step and begin to pass judgment on, by that analogy.
Two, the UE self maintained has white list
404 ", choose the CSG sub-district that signal quality makes number one;
405 ", read the broadcast of described CSG sub-district, obtain CSG ID;
UE uses corresponding scrambler to remove to measure the signal of sub-district on corresponding frequencies;
UE reads the broadcast of CSG sub-district and obtains CSG ID;
There is CSG indicator (indication) the CSG sub-district in MIB (management information bank) message, be used to indicate whether a sub-district is the CSG sub-district, if that indication is Ture, shows that this sub-district is the CSG sub-district, and UE removes to continue to read CSG ID more then.This is a prior art, repeats no more.
406 ", determine that this CSG ID is whether in the white list of UE;
If, then this CSG sub-district is as re-selecting cell; Initiate lane place (LA)/route district (RA) renewal process to network side: the success of location area renewal process, subscriber equipment resides in current area.
If do not exist, described CSG sub-district can not be as re-selecting cell.Subscriber equipment is selected the sub-district of ordering second, as gravity treatment CSG sub-district.Carry out 405 ") step and begin to pass judgment on, by that analogy.
Existing automatic hunting zone is very wide, comprises all common sub-districts and CSG sub-district.When carrying out gravity treatment, to select different criterions at different situations.Complicated operation, very power consumption.
The embodiment of the invention has been dwindled the hunting zone, has simplified reselection criterion.Only use existing 3GPP standard agreement S criterion and R criterion to carry out cell reselection process.Step 401,402 has embodied the S criterion; Step 403,404 ' embodied R criterion (notion of step 403,404 ' described signal quality has concrete definition in 3GPP standard agreement R criterion, no longer launch explanation herein).Electric weight compared with prior art simple to operate, as to save UE.
In the above two kinds of cases, if can't determine gravity treatment CSG sub-district, a timer is set.In the timer timing time, in all the adjacent area scopes except that the CSG sub-district, search for.Timer expiry, in described coupling CSG cell range, search again is to determine gravity treatment CSG sub-district again.
The setting of timer can be issued by broadcast.The timing length of timer is provided with by the user.The standard value of supposing timer is T.Utilize multiplier factor to regulate the timing length of timer.
UE is in moving process, and the signal power of CSG sub-district can change.In order in time to search the CSG sub-district, it is suitable that the timing length of timer is provided with.
The setting of timer timing length: when subscriber equipment was in high-speed motion state, it is shorter that the place a little less than the signal quality moves to the time ratio that the strong place of signal quality needs.The weak point that the timing length of timer can be provided with some.Can select to take advantage of the value T of timer less than 1 multiplier factor; When subscriber equipment was in the low-speed motion state, it is long that the place a little less than the signal quality moves to the time that the strong place of signal quality needs.It is longer that the timing length of timer can be provided with.The value T of timer is taken advantage of in selection greater than 1 multiplier factor.Described multiplier factor can be issued by broadcast equally.
The embodiment of the invention also provides a kind of subscriber equipment, as shown in Figure 6, comprise: memory module: be used for the finger print information of the CSG sub-district of memory resident/inserted, this finger print information includes but not limited to frequency, scrambler, the position of CSG sub-district, the corresponding relation of CSG sub-district and place macrocell;
The information acquisition module is used for obtaining the CSG cell information from the broadcast message of the macrocell at place; This CSG cell information comprises: the cell information of the CSG sub-district in the macrocell signal cover and the cell information of adjacent C SG sub-district;
The fingerprint matching module, if closed signed user group cell information is consistent with the finger print information of the closed signed user group cell of storage, the pairing closed signed user group cell of this closed signed user group cell information is the coupling closed signed user group cell;
Search module is used for searching in the coupling CSG cell range of obtaining.
The gravity treatment module is used for determining gravity treatment CSG sub-district in described coupling CSG cell range.
As shown in Figure 7, when described subscriber equipment did not have white list, described gravity treatment module comprised: the signal quality determining unit is used for determining to mate the signal quality of CSG sub-district;
Candidate CSG sub-district determining unit is used for from described coupling CSG sub-district, and the select-out signal quality satisfies the CSG sub-district of inserting threshold value, as candidate CSG sub-district;
Sequencing unit is used for the signal quality of described candidate CSG sub-district is sorted from high to low;
Gravity treatment unit, sub-district is used to choose the CSG sub-district that signal quality makes number one, as gravity treatment CSG sub-district;
Timer, in the timer timing time, (macrocell, CSG sub-district and non-CSG sub-district) searched in all cell range.Timer expiry, in described coupling CSG cell range, search again is to determine gravity treatment CSG sub-district again.
When as shown in Figure 8, described subscriber equipment self maintained has white list; Described gravity treatment module also comprises:
CSG chooses the unit in the sub-district, is used to choose the CSG sub-district that signal quality makes number one;
The sign acquiring unit is used to read the broadcast of described CSG sub-district, obtains CSG ID;
Gravity treatment unit, described sub-district is used for determining that this CSG ID is whether at the white list of UE; If, this CSG sub-district of gravity treatment then.
Timer, in the timer timing time, (macrocell, CSG sub-district and non-CSG sub-district) searched in all cell range.Timer expiry, in described coupling CSG cell range, search again is to determine gravity treatment CSG sub-district again.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (12)
1. a small region search method is characterized in that, comprising:
From the broadcast message of the macrocell at place, obtain closed signed user group cell information;
If closed signed user group cell information is consistent with the finger print information of the closed signed user group cell of storage, then the pairing closed signed user group cell of this closed signed user group cell information is the coupling closed signed user group cell;
In coupling closed signed user group cell scope, search for.
2. small region search method according to claim 1 is characterized in that, from the broadcast message of the macrocell at place, also comprises before obtaining the step of closed signed user group cell information:
The finger print information of the closed signed user group cell of memory resident/inserted, this finger print information comprises following at least a: the corresponding relation of the frequency of closed signed user group cell, scrambler, position, closed signed user group cell and place macrocell.
3. small region search method according to claim 1, it is characterized in that described closed signed user group cell information comprises: the cell information of the closed signed user group cell in the macrocell signal cover and the cell information of adjacent closed signed user group cell.
4. small region search method according to claim 1 is characterized in that, also comprises: according to Search Results, determine the gravity treatment closed signed user group cell.
5. small region search method according to claim 4 is characterized in that, according to Search Results, determines that the step of gravity treatment closed signed user group cell comprises:
Determine the signal quality of coupling closed signed user group cell;
From described coupling closed signed user group cell, the select-out signal quality satisfies the closed signed user group cell that inserts threshold value, as candidate's closed signed user group cell;
Signal quality to described candidate's closed signed user group cell sorts from high to low;
Choose the closed signed user group cell that signal quality makes number one, as re-selecting cell.
6. small region search method according to claim 4 is characterized in that, according to Search Results, determines that the step of gravity treatment closed signed user group cell comprises:
Determine the signal quality of coupling closed signed user group cell;
From described coupling closed signed user group cell, the select-out signal quality satisfies the closed signed user group cell that inserts threshold value, as candidate's closed signed user group cell;
Signal quality to described candidate's closed signed user group cell sorts from high to low;
Choose the closed signed user group cell that signal quality makes number one;
Read the broadcast of described closed signed user group cell, obtain the closed signed user group id;
Determine that this closed signed user group id is whether in the white list of UE;
If, this closed signed user group cell of gravity treatment then;
If do not exist, described closed signed user group cell can not be as re-selecting cell.
7. small region search method according to claim 4 is characterized in that, also comprises:
When all coupling closed signed user group cells all can't be as re-selecting cell, stop current search, start timer;
Whether the signal quality of judging described macrocell satisfies the access threshold value;
If satisfy resident described macrocell;
If do not satisfy, search for other sub-districts;
Timer expiry;
In described coupling closed signed user group cell scope, search again is to determine the gravity treatment closed signed user group cell again.
8. subscriber equipment, comprising: the information acquisition module is used for obtaining closed signed user group cell information from the broadcast message of the macrocell at place;
The fingerprint matching module, if closed signed user group cell information is consistent with the finger print information of the closed signed user group cell of storage, the pairing closed signed user group cell of this closed signed user group cell information is the coupling closed signed user group cell;
Search module is used for searching in coupling closed signed user group cell scope.
9. subscriber equipment according to claim 8 is characterized in that, also comprises:
The gravity treatment module is used for determining the gravity treatment closed signed user group cell in described coupling closed signed user group cell scope.
10. subscriber equipment according to claim 8 is characterized in that, described gravity treatment module comprises: the signal quality determining unit is used for definite signal quality that mates closed signed user group cell;
Candidate's closed signed user group cell determining unit is used for from described coupling closed signed user group cell, and the select-out signal quality satisfies the closed signed user group cell that inserts threshold value, as candidate's closed signed user group cell;
Sequencing unit is used for the signal quality of described candidate's closed signed user group cell is sorted from high to low;
Gravity treatment unit, sub-district is used to choose the closed signed user group cell that signal quality makes number one, as the gravity treatment closed signed user group cell.
11. subscriber equipment according to claim 8 is characterized in that, described subscriber equipment self maintained has white list; Described gravity treatment module also comprises:
Closed signed user group cell is chosen the unit, is used to choose the closed signed user group cell that signal quality makes number one;
Identify acquiring unit, be used to read the broadcast of described closed signed user group cell, obtain the closed signed user group id;
Gravity treatment unit, described sub-district is used for determining that this closed signed user group id is whether at the white list of UE; If, this closed signed user group cell of gravity treatment then.
12. subscriber equipment according to claim 10 is characterized in that, also comprises timer, works as timer expiry; In described coupling closed signed user group cell scope, search again is to determine the gravity treatment closed signed user group cell.
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| CN200910162361.5A CN101998591B (en) | 2009-08-13 | 2009-08-13 | Cell search method and user equipment |
| PCT/CN2010/075953 WO2011018047A1 (en) | 2009-08-13 | 2010-08-13 | Cell search method and user equipment |
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| CN103327554A (en) * | 2012-03-19 | 2013-09-25 | 中兴通讯股份有限公司 | Redirecting method and redirecting device |
| WO2016197480A1 (en) * | 2015-06-12 | 2016-12-15 | 深圳市中兴微电子技术有限公司 | Cell reselection method and device, mobile terminal, and storage medium |
| CN107484202A (en) * | 2016-06-08 | 2017-12-15 | 展讯通信（上海）有限公司 | The method and user equipment that a kind of CSG neighbours configured information reports |
| CN107484186A (en) * | 2016-06-08 | 2017-12-15 | 展讯通信（上海）有限公司 | A kind of user equipment and its method for re-selecting cell |
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| QUALCOMM EUROPE: "The myth of fingerprints: Identifying home eNBs", 《3GPP TSG-RAN WG2 #63》 * |
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| CN102395165A (en) * | 2011-10-25 | 2012-03-28 | 中兴通讯股份有限公司 | CSG subdistrict search method and device |
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| CN106304216A (en) * | 2015-06-12 | 2017-01-04 | 深圳市中兴微电子技术有限公司 | A kind of residence reselecting, device and mobile terminal |
| CN107484202A (en) * | 2016-06-08 | 2017-12-15 | 展讯通信（上海）有限公司 | The method and user equipment that a kind of CSG neighbours configured information reports |
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| CN101998591B (en) | 2014-08-06 |
| WO2011018047A1 (en) | 2011-02-17 |
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