CN101742595B - Method for reselecting cell in home base station cell scene - Google Patents
Method for reselecting cell in home base station cell scene Download PDFInfo
- Publication number
- CN101742595B CN101742595B CN2008101726621A CN200810172662A CN101742595B CN 101742595 B CN101742595 B CN 101742595B CN 2008101726621 A CN2008101726621 A CN 2008101726621A CN 200810172662 A CN200810172662 A CN 200810172662A CN 101742595 B CN101742595 B CN 101742595B
- Authority
- CN
- China
- Prior art keywords
- terminal
- cell
- macrocell
- district
- home cell
- 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
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a method for reselecting a cell in a home base station cell scene, which comprises the following steps that: when reselecting the cell, a terminal searches neighbouring cells of a service cell where the terminal is and measures the signal strength of the searched neighbouring cells; and when judging that home base station cells are in the searched neighbouring cells, the terminal classifies the searched neighbouring cells according to the central frequency points of the neighbouring cells, selects a neighbouring cell of which the signal strength is the maximum at each central frequency point to use the neighbouring cell as a candidate cell, continuously selects the home base station cells in the candidate cell, preferably sequences the home base station cells, sequentially judges whether the home base station cells allow the terminal to access in the preferably sequenced results or not, and reselects the home base station cell if the terminal judges that some home base station cell allows the terminal to access. By the method, the terminal can preferably selects the expected home base station cell when reselecting the cell.
Description
Technical field
The present invention relates to the terminal moving communicating field, relate in particular in GSM, method of cell reselection is carried out at the terminal.
Background technology
In GSM, when the terminal when a sub-district moves to the another one sub-district, do not lose and being connected of network in order to guarantee the terminal, need to carry out the process of district reselecting.In district reselecting, the terminal needs earlier the signal strength signal intensity of neighbor cell to be measured, and according to the specific parameters such as deviant of signal strength signal intensity and sub-district sorted in the sub-district then, and district reselecting is carried out in the sub-district before the final selection ordering.
Home cell is as the part of GSM; Be used for service being provided to certain particular user group; That is to say that the terminal that only belongs to this particular group of users just can be linked into this home cell; Simultaneously, the home cell identification list that can insert is preserved at terminal self, is used to judge that which home cell can insert.Home cell can offer the abundanter professional and more preferential rate of user.Therefore in the mobile communications network that has disposed home cell, gravity treatment should be paid the utmost attention to operable home cell in the terminal when selecting the sub-district of gravity treatment.Yet under the scene of home cell and macrocell coexistence, prior art lacks the flow process that home cell is preferentially chosen in support, thereby can cause the terminal to be difficult to choose the home cell of expectation.
Summary of the invention
In order to solve the problems of the technologies described above; The present invention proposes the residence reselecting under a kind of home cell scene, makes the terminal when carrying out district reselecting, can preferentially choose the home cell of expectation; And when not having suitable home cell to select, still can select best macrocell.
In order to solve the problems of the technologies described above; The invention provides the residence reselecting under a kind of home cell scene; The adjacent sub-district of place, this terminal Serving cell is searched in the terminal when carrying out district reselecting, and the signal strength signal intensity of the adjacent sub-district that searched is measured; Said adjacent sub-district comprises macrocell and/or home cell, wherein:
When there was home cell in said terminal in judging the adjacent sub-district that is searched, the adjacent sub-district that will be searched was divided according to its place center frequency point, and afterwards, the adjacent sub-district that filters out signal strength signal intensity maximum on each center frequency point is as candidate cell;
Said terminal filters out the home cell in the said candidate cell; It is carried out preference ordering; Afterwards; Order judges successively whether said home cell allows said terminal to insert in the result of said preference ordering, allows said terminal to insert if determine a certain home cell, and then gravity treatment is to this home cell.
Further, said method also can have following characteristics:
Said terminal is carried out preference ordering to the home cell in the said candidate cell and is comprised:
Sort to the home cell in the said candidate cell according to signal strength signal intensity order from big to small in said terminal.
Further, said method also can have following characteristics:
When the home cell in said candidate cell did not all allow said terminal to insert, said terminal filtered out the macrocell in the said candidate cell, and it is carried out preference ordering, and the result according to the preference ordering of said macrocell carries out district reselecting then.
Further, said method also can have following characteristics:
Said terminal in filtering out said candidate cell home cell and it is carried out preference ordering in, also filter out the macrocell in the said candidate cell and it carried out preference ordering;
When the home cell in said candidate cell did not all allow said terminal to insert, district reselecting was carried out according to the result of the preference ordering of said macrocell in said terminal.
Further, said method also can have following characteristics:
When in said candidate cell, not having home cell, those candidate cells of said terminal judges are macrocell, and said macrocell is carried out preference ordering, afterwards, carry out district reselecting according to the result of the preference ordering of said macrocell.
Further, said method also can have following characteristics:
Said terminal is carried out preference ordering to the macrocell in the said candidate cell and is comprised:
Sort according to the priority of said macrocell place center frequency point from high to low in said terminal, All factors being equal, preference will be give between the level sorts according to the signal strength signal intensity of said macrocell more from big to small.
Residence reselecting under a kind of home cell scene of the present invention makes the terminal when carrying out district reselecting, can preferentially choose the home cell of expectation, and when not having suitable home cell to select, still can select best macrocell.
Description of drawings
Fig. 1 is the residence reselecting flow chart under a kind of home cell scene of first embodiment of the invention.
Fig. 2 is the residence reselecting flow chart under a kind of home cell scene of second embodiment of the invention.
Embodiment
The present invention proposes the residence reselecting under a kind of home cell scene; It is conceived basically: when there is home cell in the terminal in judging the adjacent sub-district that is searched; The adjacent sub-district that will be searched is divided according to its place center frequency point; Afterwards, the sub-district that filters out signal strength signal intensity maximum on each center frequency point is as candidate cell; The terminal filters out the home cell in the said candidate cell; It is carried out preference ordering; Afterwards; Order judges successively whether said home cell allows said terminal to insert in the result of said preference ordering, allows this terminal to insert if determine a certain home cell, and then gravity treatment is to this home cell.
Through technique scheme, the terminal can be implemented in when carrying out district reselecting, preferentially chooses the home cell of expectation.To combine accompanying drawing to introduce the present invention in detail below.
First embodiment:
With reference to figure 1, the figure shows the residence reselecting under a kind of home cell scene, comprise the steps:
Step S101: terminal periodic property ground detects the signal strength signal intensity of this place, terminal Serving cell; When detecting the Serving cell signal strength signal intensity and be lower than a certain threshold value; The terminal begins to search for the adjacent sub-district at this Serving cell place, and measures the signal strength signal intensity of the adjacent sub-district that is searched;
Step S102: when there is home cell in the terminal in judging the adjacent sub-district that is searched, all adjacent sub-districts that searched are divided according to its place center frequency point, the adjacent sub-district that filters out signal strength signal intensity maximum on each center frequency point is as candidate cell;
Adjacent sub-district is divided into home cell and macrocell;
The cell ID of the adjacent sub-district that is searched can be read in the terminal when carrying out adjacent Cell searching, identify through this and judge that the adjacent sub-district that is searched belongs to home cell or macrocell;
Step S103: judge whether there is home cell in those candidate cells,, then get into step S104 if exist; Otherwise, judge that those candidate cells are macrocell, those macrocells are carried out preference ordering, get into step S107;
Preference ordering is carried out to those macrocells in this terminal; Priority according to those macrocell place center frequency point sorts from high to low; All factors being equal, preference will be give to sorts according to the signal strength signal intensity of macrocell between the level more from big to small, lists the sorted lists of macrocell;
Step S104: filter out home cell and macrocell in those candidate cells respectively, and respectively it is carried out preference ordering;
Preference ordering is carried out to home cell in this terminal, and said terminal is carried out preference ordering according to signal strength signal intensity order from big to small to the home cell in the said candidate cell, lists the sorted lists of home cell;
Certainly; In another embodiment; Preference ordering can also be carried out to home cell according to additive method in this terminal; Such as: can carry out preference ordering to it with reference to the priority of each home cell place center frequency point, perhaps also can sort to it with reference to the priority and the signal strength signal intensity that belong to center frequency point simultaneously;
The method of preference ordering is carried out to macrocell in this terminal can be of step S103, repeats no more here;
Step S105: order judges successively whether those home cells allow this terminal to insert in the result of the preference ordering of those home cells, allows this terminal to insert if determine a certain home cell, then gets into step S106; All do not allow this terminal to insert if judge those home cells, then get into step S107;
This terminal can be judged according to following method: this terminal order in the result of the preference ordering of those home cells is obtained user's group id of those home cells successively; And in the home cell identification list that inserts that preserve at this terminal, search; If user's group id of a certain home cell can find, judge that then this home cell allows this terminal to insert in the home cell identification list that this can insert; If user's group id of those home cells all can not find, judge that then those home cells all do not allow this terminal to insert in the home cell identification list that this can insert;
Step S106: this terminal gravity treatment finishes to this home cell;
Step S107: district reselecting is carried out according to the result of the preference ordering of those macrocells in this terminal, finishes.
When district reselecting is carried out at this terminal among the step S107, can carry out district reselecting according to the TS36.304 standard of existing 3GPP issue.
Second embodiment:
With reference to figure 2, the figure shows the residence reselecting under the another kind of home cell scene, comprise the steps:
Step S201: terminal periodic property ground detects the signal strength signal intensity of this place, terminal Serving cell; When detecting the Serving cell signal strength signal intensity and be lower than a certain threshold value; The terminal begins to search for the adjacent sub-district at this Serving cell place, and measures the signal strength signal intensity of the adjacent sub-district that is searched;
Step S202: when there is home cell in the terminal in judging the adjacent sub-district that is searched, all adjacent sub-districts that searched are divided according to its place center frequency point, the adjacent sub-district that filters out signal strength signal intensity maximum on each center frequency point is as candidate cell;
Adjacent sub-district is divided into home cell and macrocell;
The cell ID of the adjacent sub-district that is searched can be read in the terminal when carrying out adjacent Cell searching, identify through this and judge that the adjacent sub-district that is searched belongs to home cell or macrocell;
Step S203: judge whether there is home cell in those candidate cells,, then get into step S204 if exist; Otherwise, judge that those candidate cells are macrocell, those macrocells are carried out preference ordering, get into step S208;
Preference ordering is carried out to those macrocells in this terminal; Priority according to said macrocell place center frequency point sorts from high to low; All factors being equal, preference will be give to sorts according to the signal strength signal intensity of said macrocell between the level more from big to small, lists the sorted lists of macrocell;
Step S204: filter out the home cell in those candidate cells and it is carried out preference ordering;
Preference ordering is carried out to those home cells in this terminal, and this terminal is carried out preference ordering according to signal strength signal intensity order from big to small to the home cell in those candidate cells, lists the sorted lists of home cell.Certainly; In another embodiment; Preference ordering can also be carried out to home cell according to additive method in this terminal; Such as: can carry out preference ordering to it with reference to the priority of those home cell place center frequency point, perhaps also can it be sorted the while with reference to priority and the signal strength signal intensity that those home cells belong to center frequency point;
Step S205: order judges successively whether those home cells allow this terminal to insert in the result of the preference ordering of those home cells, allows this terminal to insert if determine a certain home cell, then gets into step S206; All do not allow this terminal to insert if judge those home cells, then get into step S207;
This terminal can be judged according to following method: order is obtained user's group id of those home cells successively in the result of the preference ordering of those home cells; And in the home cell identification list that inserts that preserve at this terminal, search; If user's group id of a certain home cell can find, judge that then this home cell allows this terminal to insert in the home cell identification list that this can insert; If user's group id of those home cells all can not find, judge that then those home cells all do not allow this terminal to insert in the home cell identification list that this can insert;
Step S206: this terminal gravity treatment finishes to this home cell;
Step S207: this terminal filters out the macrocell in those candidate cells, and it is carried out preference ordering;
The method of preference ordering is carried out to macrocell in this terminal can be of step S203, repeats no more here;
Step S208: district reselecting is carried out according to the result of the preference ordering of those macrocells in this terminal, finishes.
When district reselecting is carried out at this terminal among the step S208, can carry out district reselecting according to the TS36.304 standard of existing 3GPP issue.
Certainly; The present invention can also have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (6)
1. the residence reselecting under the home cell scene; The adjacent sub-district of place, this terminal Serving cell is searched in the terminal when carrying out district reselecting, and the signal strength signal intensity of the adjacent sub-district that searched is measured; Said adjacent sub-district comprises macrocell and/or home cell, it is characterized in that:
When there was home cell in said terminal in judging the adjacent sub-district that is searched, the adjacent sub-district that will be searched was divided according to its place center frequency point, and afterwards, the adjacent sub-district that filters out signal strength signal intensity maximum on each center frequency point is as candidate cell;
Said terminal filters out the home cell in the said candidate cell; It is carried out preference ordering; Afterwards; Order judges successively whether said home cell allows said terminal to insert in the result of said preference ordering, allows said terminal to insert if determine a certain home cell, and then gravity treatment is to this home cell.
2. the method for claim 1 is characterized in that, said terminal is carried out preference ordering to the home cell in the said candidate cell and comprised:
Sort to the home cell in the said candidate cell according to signal strength signal intensity order from big to small in said terminal.
3. the method for claim 1 is characterized in that:
When the home cell in said candidate cell did not all allow said terminal to insert, said terminal filtered out the macrocell in the said candidate cell, and it is carried out preference ordering, and the result according to the preference ordering of said macrocell carries out district reselecting then.
4. the method for claim 1 is characterized in that:
Said terminal in filtering out said candidate cell home cell and it is carried out preference ordering in, also filter out the macrocell in the said candidate cell and it carried out preference ordering;
When the home cell in said candidate cell did not all allow said terminal to insert, district reselecting was carried out according to the result of the preference ordering of said macrocell in said terminal.
5. the method for claim 1 is characterized in that:
When in said candidate cell, not having home cell, those candidate cells of said terminal judges are macrocell, and said macrocell is carried out preference ordering, afterwards, carry out district reselecting according to the result of the preference ordering of said macrocell.
6. like claim 3,4 or 5 described methods, it is characterized in that said terminal is carried out preference ordering to the macrocell in the said candidate cell and comprised:
Sort according to the priority of said macrocell place center frequency point from high to low in said terminal, All factors being equal, preference will be give between the level sorts according to the signal strength signal intensity of said macrocell more from big to small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101726621A CN101742595B (en) | 2008-11-06 | 2008-11-06 | Method for reselecting cell in home base station cell scene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101726621A CN101742595B (en) | 2008-11-06 | 2008-11-06 | Method for reselecting cell in home base station cell scene |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101742595A CN101742595A (en) | 2010-06-16 |
| CN101742595B true CN101742595B (en) | 2012-05-09 |
Family
ID=42465297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101726621A Active CN101742595B (en) | 2008-11-06 | 2008-11-06 | Method for reselecting cell in home base station cell scene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101742595B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110319080A1 (en) * | 2010-06-24 | 2011-12-29 | Maik Bienas | Method of cell reselection and cellular radio terminal |
| CN103686798B (en) * | 2013-12-30 | 2017-08-11 | 京信通信系统（中国）有限公司 | A kind of method of cell switching and base station |
| CN106973414A (en) * | 2016-01-14 | 2017-07-21 | 中兴通讯股份有限公司 | A kind of method and device of selection cell |
| CN107682901B (en) * | 2017-11-14 | 2021-01-26 | 南京佰联信息技术有限公司 | Base station selection control method and device, base station and computer readable storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101056473A (en) * | 2007-06-18 | 2007-10-17 | 华为技术有限公司 | Method and device for user group management and application |
| CN101123823A (en) * | 2007-09-04 | 2008-02-13 | 华为技术有限公司 | A cell selection method, network system and related device |
-
2008
- 2008-11-06 CN CN2008101726621A patent/CN101742595B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101056473A (en) * | 2007-06-18 | 2007-10-17 | 华为技术有限公司 | Method and device for user group management and application |
| CN101123823A (en) * | 2007-09-04 | 2008-02-13 | 华为技术有限公司 | A cell selection method, network system and related device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101742595A (en) | 2010-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102905346B (en) | The method and system that fast cell is selected is realized in wireless communication system | |
| CN102170671B (en) | Multi-system reselection method and device for cell with CSG cell | |
| CN101730164B (en) | Method and terminal for reselecting cell | |
| CN101472357A (en) | Dual-mode terminal and district selection method thereof | |
| CN101742580B (en) | Cell reselecting method and device | |
| CN103582070B (en) | A kind of method of multiple mode terminal searching network and multimode terminal | |
| CN105101313A (en) | Terminal cell reselection method and terminal cell reselection device | |
| CN101742598B (en) | Method and device for reselecting home base station cells | |
| CN101557627B (en) | Method for reelecting cell, device and communication system | |
| WO2012065482A2 (en) | Method and wireless communication terminal for controlling cell re-selection | |
| CN103118419A (en) | Terminal wireless access point reclosure method and device using the same | |
| CN101965058B (en) | Method and device for carrier level cell selection | |
| CN101742595B (en) | Method for reselecting cell in home base station cell scene | |
| CN101795477A (en) | Cell reselection method and terminal | |
| CN101657003A (en) | Method for searching subdistrict and mobile terminal thereof | |
| WO2010031258A1 (en) | Cell reselection method and terminal | |
| CN101237689A (en) | Access technology selecting method and device | |
| CN102231901A (en) | Method for ensuring mobile terminal to reside in network and mobile terminal | |
| CN110636569A (en) | Cell reselection method, reselection parameter sending method, terminal and network equipment | |
| CN106793009B (en) | Network searching method and mobile terminal | |
| CN102131253B (en) | Method and device for cell reselection and communication system | |
| CN102638818B (en) | A kind of priority reselection evaluation method and system | |
| CN101835217B (en) | Cell selection method and device in reselected cells determined by multiple reselection modes | |
| CN104469870A (en) | Cell reselection method and LTE (Long-Term Evolution) terminal | |
| CN106922010A (en) | The method and wireless terminal of wireless terminal selection network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |