CN101784102A - Method for selecting mobile terminal cell in femtocell cell - Google Patents
Method for selecting mobile terminal cell in femtocell cell Download PDFInfo
- Publication number
- CN101784102A CN101784102A CN200910076800A CN200910076800A CN101784102A CN 101784102 A CN101784102 A CN 101784102A CN 200910076800 A CN200910076800 A CN 200910076800A CN 200910076800 A CN200910076800 A CN 200910076800A CN 101784102 A CN101784102 A CN 101784102A
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- base station
- home base
- station cells
- portable terminal
- cell
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/02—Access restriction performed under specific conditions
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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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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a method for selecting a mobile terminal cell in a femtocell cell, which aims at solving the problem that the cell can not be reselected when the mobile terminal is in a cell provided with a femtocell cell. The method comprises the following steps that: when the mobile terminal accesses to an open-mode femtocell cell, the femtocell cell is changed into a closed-mode, and the mobile terminal compares the user group identification of the femtocell cell with the list of the identifications of the self-stored femtocell cells which can be accessed to; if the user group identification of the femtocell cell is listed on the list of the identifications of the self-stored femtocell cells which can be accessed to by the mobile terminal, the mobile terminal keeps residing in the femtocell cell; and otherwise, the mobile terminal searches neighbor cells to perform the reselection of the cell. The invention can provide lower-cost service, and reduces the load of the macro cell. When the femtocell cell is unavailable, other available cells can be reselected by the mobile terminal, thereby reducing the impact on the mobile terminal service.
Description
Technical field
The present invention relates to the method for portable terminal cell selecting in a kind of home base station cells.
Background technology
Along with mobile network's fast development and the reorganization of telecommunications mobile operator, in the mobile network built, seamless access and indoor covering more and more became the focus that operator pays close attention to.Though the vital task of mobile communication is to guarantee the radio communication quality of outdoor subscriber, show that according to survey the user but is the longest in indoor use mobile network's time.Therefore the good network key that to cover particularly indoor covering be develop rapidly.
Be directed to this demand, household base station technology is subjected to the fervent concern and the favor of domestic and overseas operators and equipment manufacturers.On the one hand Home eNodeB can be fast, the indoor covering problem of solution of low price, for the user provides high-speed data service and has alleviated the load of macro base station, also for operator realizes fixing and mobile phase combination, make mobile communication developed on the other hand in family market.Home eNodeB is a kind of small-sized, low power base station.As the dedicated resources of private user, mainly dispose and be applied in family, school, company, indoor places such as small-sized group zone.
In the mobile communication system, home base station cells can be divided into closed home base station cells and open home base station cells as the part of mobile communication system.Closed home base station cells is used for providing service to certain specific user group, that is to say that the portable terminal that only belongs to this particular group of users just can be linked into this home base station cells, simultaneously, portable terminal self is preserved the home base station cells identification list that can insert, and is used to judge which home base station cells can insert.Open home base station cells is a limited subscriber group not on the basis of closed home base station cells, and all users that permission can search this home base station cells insert.The same with closed home base station cells, open home base station cells can offer the abundanter professional and more preferential rate of user.Therefore in the mobile communications network that has disposed home base station cells, portable terminal should be paid the utmost attention to gravity treatment to operable home base station cells when carrying out the sub-district gravity treatment.Yet in case the manager of home base station cells or owner are set to closedly by open home base station cells, some of this home base station cells users of not belonging to this closed group just can not continue to enjoy service so.
At present, household base station technology also is in research state, how to carry out sub-district gravity treatment when unavailable for portable terminal having home base station cells, does not also have concrete solution.
Summary of the invention
In view of this, main purpose of the present invention is to provide the method for portable terminal cell selecting in a kind of home base station cells, can be when home base station cells be unavailable other available cell of gravity treatment.
For achieving the above object, technical scheme of the present invention is achieved in that
The method of portable terminal cell selecting in a kind of home base station cells comprises:
Behind the portable terminal accessing open femtocell sub-district, home base station cells is converted to closed mode, described portable terminal compares the user's group id of described home base station cells and the home base station cells identification list that inserts of self storage, if described home base station cells user group id is present in the home base station cells identification list that inserts of described portable terminal, described portable terminal continues to reside in described home base station cells, otherwise, described mobile terminal to search neighbor cell carries out the sub-district gravity treatment.
Preferably, described sub-district gravity treatment is specially:
The communication condition of the distance of the signal strength signal intensity of the neighbor cell that calculating is searched, carrier/interface ratio, portable terminal and the base station of channel is selected the communication condition better cell and is carried out resident.
Preferably, described portable terminal obtains the user group id of described home base station cells with self by the broadcast of described home base station cells.
Preferably, described neighbor cell is that macrocell is or/and home base station cells.
The method of portable terminal cell selecting in a kind of home base station cells comprises:
Request is linked into the closed mode home base station cells behind the mobile terminal-opening, obtain described closed mode home base station cells user group id by described closed mode home base station cells broadcast, compare with the home base station cells identification list of self storing that inserts, if described closed mode home base station cells user group id is present in the home base station cells identification list that inserts of described portable terminal, described portable terminal continues to reside in described closed mode home base station cells, otherwise, described mobile terminal to search neighbor cell carries out the sub-district gravity treatment.
Preferably, described sub-district gravity treatment is specially:
The communication condition of the distance of the signal strength signal intensity of the neighbor cell that calculating is searched, carrier/interface ratio, portable terminal and the base station of channel is selected the communication condition better cell and is carried out resident.
Preferably, described neighbor cell is that macrocell is or/and home base station cells.
After home base station cells is converted to closed mode by open mode, portable terminal in the accessing open femtocell sub-district can judge whether user's group id of described home base station cells is present in the home base station cells identification list of self storing that inserts, if be not present in the home base station cells identification list that can insert, then start the sub-district gravity treatment, select other available cell, if be present in the home base station cells identification list that can insert, then still reside at described home base station cells.Similarly, portable terminal after determining not to be the validated user of described home base station cells, starts the sub-district gravity treatment and selects other available cell after closed mode home base station cells start.When home base station cells was unavailable, the portable terminal re eligible had reduced the influence to mobile terminal service to other available cell.
Description of drawings
Fig. 1 is the schematic flow sheet of the method for portable terminal cell selecting in the home base station cells of an embodiment of the present invention;
Fig. 2 is the schematic flow sheet of the method for portable terminal cell selecting in the home base station cells of the another kind of embodiment of the present invention.
Embodiment
Basic thought of the present invention is: after home base station cells is converted to closed mode by open mode, portable terminal in the accessing open femtocell sub-district can judge whether user's group id of described home base station cells is present in the home base station cells identification list of self storing that inserts, if be not present in the home base station cells identification list that can insert, then start the sub-district gravity treatment, select other available cell, if be present in the home base station cells identification list that can insert, then still reside at described home base station cells.Similarly, portable terminal after determining not to be the validated user of described home base station cells, starts the sub-district gravity treatment and selects other available cell after closed mode home base station cells start.When home base station cells was unavailable, the portable terminal re eligible had reduced the influence to mobile terminal service to other available cell.
For making the purpose, technical solutions and advantages of the present invention clearer, by the following examples and with reference to accompanying drawing, the present invention is described in more detail.
Fig. 1 is the schematic flow sheet of the method for portable terminal cell selecting in the home base station cells of an embodiment of the present invention, and as shown in Figure 1, the method for portable terminal cell selecting comprises in the home base station cells of the embodiment of the invention:
Step 101: behind the portable terminal accessing open femtocell sub-district, home base station cells is converted to closed mode.
Portable terminal inserts this home base station cells when home base station cells is in open mode, this moment, Home eNodeB can not carry out any authentication to the portable terminal that inserts, and provided access service just as inserting macrocell for mobile phone users.Because Home eNodeB belongs to private base station, the user can set the cell pattern of Home eNodeB as required, and the user at a time is converted to closed mode with home base station cells by open mode as Home eNodeB.Among the present invention,, special identification information indicates the cell pattern of Home eNodeB, as realizing: " 0 " sign closed mode, " 1 " sign open mode by a bit character by being set; Also can " 0 " identify open mode, " 1 " sign closed mode.The pattern information of home base station cells can be by the broadcast carrying of described sub-district.Portable terminal is known the pattern of home base station cells by the broadcast of home base station cells.
Step 102: described portable terminal compares the user's group id of described home base station cells and the home base station cells identification list that inserts of self storage, if described home base station cells user group id is present in the home base station cells identification list that inserts of described portable terminal, execution in step 103, otherwise, execution in step 104.
Portable terminal knows that by the pattern identification information of home base station cells current home base station cells is converted to closed mode by open mode, portable terminal judges whether user's group id of described home base station cells is present in the home base station cells identification list of self storing that inserts, wherein, portable terminal obtains user's group id of home base station cells by the broadcast of home base station cells, and the opportunity that obtains user's group id of home base station cells can be when portable terminal inserts this front yard base station cell first.Several cell set that Home eNodeB covers become family base station overlay area, are called closed user group (CSG, Closed SubscriberGroup).Allowing to insert the user terminal of this family base station overlay area, is the user of this closed user group.Each closed user group indicates with the unique identification that operator distributed of Public Land Mobile Nerwork, is called user's group id CSG ID, has only the user through authorizing could insert this family base station overlay area.Mobile phone users may belong to a plurality of closed user group, has distributed one family base station cell identification list and system is a mobile phone users, comprises the CSG ID that the user is allowed to access in the home base station cells identification list.Have only the residing Home eNodeB CSG of portable terminal ID to be identified in the home base station cells identification list of portable terminal, just be allowed to access current home base station cells.CSG ID is by the broadcast system carrying of home base station cells.And the home base station cells identification list is determined by agreement between operator and the user, and is stored in the portable terminal in advance.
Step 103: portable terminal resides at described open femtocell sub-district.
When definite portable terminal belongs to the validated user of current home base station cells, still reside in the described home base station cells.
Step 104: the mobile terminal to search neighbor cell, carry out the sub-district gravity treatment.
Portable terminal will be searched for neighbor cell, after searching for successfully, the neighbor cell that is searched is carried out the carrier/interface ratio of cell signal strength measurement, channel and the calculating that portable terminal arrives base station distance, according at least one foundation in above-mentioned measurement and the result of calculation as cell selecting, concrete, the condition of cell selecting can be in portable terminal be set according to aforementioned measurement and result of calculation, carries out resident thereby select better cell.The neighbor cell of being searched for comprises macrocell and other home base station cells.
The method of portable terminal cell selecting also comprises in the home base station cells of the embodiment of the invention: request is linked into the closed mode home base station cells behind the mobile terminal-opening, obtain described closed mode home base station cells user group id by described closed mode home base station cells broadcast, compare with the home base station cells identification list of self storing that inserts, if described closed mode home base station cells user group id is present in the home base station cells identification list that inserts of described portable terminal, described portable terminal continues to reside in described closed mode home base station cells, otherwise, described mobile terminal to search neighbor cell carries out the sub-district gravity treatment.Promptly when the home base station cells of portable terminal and access was closed mode, portable terminal obtained closed mode home base station cells user group id by the broadcast of home base station cells, carried out the flow process of step 102 to 104, repeated no more here.
Fig. 2 is the schematic flow sheet of the method for portable terminal cell selecting in the home base station cells of the another kind of embodiment of the present invention, and as shown in Figure 2, the method for portable terminal cell selecting may further comprise the steps in the home base station cells of the embodiment of the invention:
Step 201: request is linked into the closed mode home base station cells behind the mobile terminal-opening, obtains described closed mode home base station cells user group id by described closed mode home base station cells broadcast.
Step 202: described portable terminal compares the user's group id of described home base station cells and the home base station cells identification list that inserts of self storage, if described home base station cells user group id is present in the home base station cells identification list that inserts of described portable terminal, execution in step 203, otherwise, execution in step 204.
Step 203: portable terminal resides at described open femtocell sub-district.
Step 204: the mobile terminal to search neighbor cell, carry out the sub-district gravity treatment.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (7)
1. the method for portable terminal cell selecting in the home base station cells is characterized in that, comprising:
Behind the portable terminal accessing open femtocell sub-district, home base station cells is converted to closed mode, described portable terminal compares the user's group id of described home base station cells and the home base station cells identification list that inserts of self storage, if described home base station cells user group id is present in the home base station cells identification list that inserts of described portable terminal, described portable terminal continues to reside in described home base station cells, otherwise, described mobile terminal to search neighbor cell carries out the sub-district gravity treatment.
2. method according to claim 1 is characterized in that, the gravity treatment of described sub-district is specially:
The communication condition of the distance of the signal strength signal intensity of the neighbor cell that calculating is searched, carrier/interface ratio, portable terminal and the base station of channel is selected the communication condition better cell and is carried out resident.
3. method according to claim 2 is characterized in that, described portable terminal obtains the user group id of described home base station cells with self by the broadcast of described home base station cells.
4. according to each described method in the claim 1 to 3, it is characterized in that described neighbor cell is that macrocell is or/and home base station cells.
5. the method for portable terminal cell selecting in the home base station cells is characterized in that, comprising:
Request is linked into the closed mode home base station cells behind the mobile terminal-opening, obtain described closed mode home base station cells user group id by described closed mode home base station cells broadcast, compare with the home base station cells identification list of self storing that inserts, if described closed mode home base station cells user group id is present in the home base station cells identification list that inserts of described portable terminal, described portable terminal continues to reside in described closed mode home base station cells, otherwise, described mobile terminal to search neighbor cell carries out the sub-district gravity treatment.
6. method according to claim 5 is characterized in that, the gravity treatment of described sub-district is specially:
The communication condition of the distance of the signal strength signal intensity of the neighbor cell that calculating is searched, carrier/interface ratio, portable terminal and the base station of channel is selected the communication condition better cell and is carried out resident.
7. according to claim 5 or 6 described methods, it is characterized in that described neighbor cell is that macrocell is or/and home base station cells.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910076800.0A CN101784102B (en) | 2009-01-21 | 2009-01-21 | The method that mobile terminal cell in femtocell cell is selected |
| PCT/CN2009/075346 WO2010083700A1 (en) | 2009-01-21 | 2009-12-07 | Cell selection method and apparatus for mobile terminal in home base station cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910076800.0A CN101784102B (en) | 2009-01-21 | 2009-01-21 | The method that mobile terminal cell in femtocell cell is selected |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101784102A true CN101784102A (en) | 2010-07-21 |
| CN101784102B CN101784102B (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910076800.0A Active CN101784102B (en) | 2009-01-21 | 2009-01-21 | The method that mobile terminal cell in femtocell cell is selected |
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| Country | Link |
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| CN (1) | CN101784102B (en) |
| WO (1) | WO2010083700A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102857982A (en) * | 2011-06-30 | 2013-01-02 | 中兴通讯股份有限公司 | Method and device for processing access |
| CN104641690A (en) * | 2012-07-16 | 2015-05-20 | 高通股份有限公司 | Avoiding csg-based access control when csg identifier is used for purposes other than access control |
Citations (3)
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| CN1770908A (en) * | 2004-10-26 | 2006-05-10 | 大唐移动通信设备有限公司 | Method for increasing mobile station switching measurement accuracy and handoff control method |
| WO2008088168A1 (en) * | 2007-01-16 | 2008-07-24 | Samsung Electronics Co., Ltd. | Apparatus and method for performing cell selection to home cell or private network in a mobile communication system |
| CN101309499A (en) * | 2007-05-18 | 2008-11-19 | 华为技术有限公司 | Method, terminal and system for implementing cell selection |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2060130A4 (en) * | 2006-10-31 | 2010-03-10 | Kineto Wireless Inc | Method and apparatus to enable hand-in for femtocells |
| CN101330722B (en) * | 2007-06-18 | 2012-10-17 | 华为技术有限公司 | Method for controlling district access as well as user facility |
| CN101170495B (en) * | 2007-11-20 | 2012-07-04 | 华为技术有限公司 | Method, device, system and access point for access list update |
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2009
- 2009-01-21 CN CN200910076800.0A patent/CN101784102B/en active Active
- 2009-12-07 WO PCT/CN2009/075346 patent/WO2010083700A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1770908A (en) * | 2004-10-26 | 2006-05-10 | 大唐移动通信设备有限公司 | Method for increasing mobile station switching measurement accuracy and handoff control method |
| WO2008088168A1 (en) * | 2007-01-16 | 2008-07-24 | Samsung Electronics Co., Ltd. | Apparatus and method for performing cell selection to home cell or private network in a mobile communication system |
| CN101309499A (en) * | 2007-05-18 | 2008-11-19 | 华为技术有限公司 | Method, terminal and system for implementing cell selection |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102857982A (en) * | 2011-06-30 | 2013-01-02 | 中兴通讯股份有限公司 | Method and device for processing access |
| CN102857982B (en) * | 2011-06-30 | 2016-11-23 | 中兴通讯股份有限公司 | Access processing method and device |
| CN104641690A (en) * | 2012-07-16 | 2015-05-20 | 高通股份有限公司 | Avoiding csg-based access control when csg identifier is used for purposes other than access control |
| CN104641690B (en) * | 2012-07-16 | 2018-12-04 | 高通股份有限公司 | The access based on CSG is avoided to control when CSG identifier be used to access the purpose other than controlling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101784102B (en) | 2016-02-24 |
| WO2010083700A1 (en) | 2010-07-29 |
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