CN103369547A - Self-configuration and optimization of adjacent cells in wireless telecommunication network - Google Patents
Self-configuration and optimization of adjacent cells in wireless telecommunication network Download PDFInfo
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- CN103369547A CN103369547A CN2013101900690A CN201310190069A CN103369547A CN 103369547 A CN103369547 A CN 103369547A CN 2013101900690 A CN2013101900690 A CN 2013101900690A CN 201310190069 A CN201310190069 A CN 201310190069A CN 103369547 A CN103369547 A CN 103369547A
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- 238000004891 communication Methods 0.000 claims description 118
- 238000000034 method Methods 0.000 claims description 29
- 238000013442 quality metrics Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 2
- 230000001413 cellular effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
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Abstract
The invention relates to self-configuration and optimization of adjacent cells in a wireless telecommunication network. The invention aims to reduce the cost for planning and maintaining an adjacent cell set by demanding a mobile terminal to make extra effort to uniquely identify the adjacent cells in the wireless network.
Description
The application is that application number is 200780051855.5, the applying date is on February 28th, 2007, denomination of invention is divided an application for the application for a patent for invention of " self-configuring of abutting subdistrict and optimization in the cordless communication network ".
Technical field
The present invention relates to self-configuring and the optimization of abutting subdistrict in the radio telecommunication network.
Background technology
In the accompanying drawing Fig. 1 illustration a kind of radio telecommunication network, this network defines a plurality of communication cells (A, B, C, D), each communication cell is by wireless base station 2 service.Each communication cell covers a geographic area, and can cover a wider zone by making up a plurality of residential quarters.Portable terminal 4 is illustrated as in the A of residential quarter communication and can moves freely in system 1.
Base station 2 comprises many Receiver And Transmitters that the radio covering is provided for one or more residential quarters.Each base station 2 is connected to " trunk " net or core network architecture (not shown), and it can realize the communication between base station and other networks.The example system of Fig. 1 shows base station, each residential quarter.
A key concept is exactly residential quarter and neighbours thereof in this network.In call, portable terminal 4 moves freely between the residential quarter usually; Move to one of its neighbours from a residential quarter repeatedly.For can between the residential quarter, reliably switching, known neighbor lists, namely so-called " abutting subdistrict collection " all is important for network 1 and portable terminal 4.Network 1 can be stored with the neighbours of each portable terminal and collect relevant information.When portable terminal was crossed over cell boarder, neighbours' collection was used for assessing from a residential quarter to the portable terminal of another residential quarter and switching.Understand easily, cell boarder is not to limit clearly, in fact since the scope of base station each other crossover make cell boarder understand some to blur.
In existing system, portable terminal 4 detects and measures the residential quarter operational factor of abutting subdistrict by receiving the signal from neighbours.Measured operational factor is physical layer identifications symbol normally, for example signal strength signal intensity, signal quality, timing information and not exclusive the scrambler of distributing to the residential quarter.Portable terminal is measured the operational factor of each abutting subdistrict, and reports back network 1 with it.When thinking that the quality of an abutting subdistrict is better than current service cell, carry out switching from Serving cell to selected abutting subdistrict by network.Abutting subdistrict namely becomes the Serving cell of this portable terminal.
Usually in the WCDMA(Wideband Code Division Multiple Access (WCDMA)) in the system, in order to determine the id(scrambler) and timing information, portable terminal detects Common Pilot Channel (CPICH) transmission from peripheral cell.
When portable terminal during to the signal quality metrics of network-reporting abutting subdistrict, residential quarter sign separately becomes important.Current, cell ID (scrambler) is recycled and reused for more than a residential quarter.Reusing of sign means that the residential quarter may obscure mutually, because the abutting subdistrict of Serving cell may have identical identification information.
Because the physical layer identifications of residential quarter symbol is not exclusive, the planning of abutting subdistrict collection and maintenance can't be fully automatic.Conflict when needing human intervention to solve Serving cell to have the neighbours of the same non-unique identifiers of a plurality of uses.
Summary of the invention
The objective of the invention is to reduce the cost of planning and maintaining adjacent district collection.This is based on extra step, wherein needs portable terminal to make extra effort and identifies uniquely abutting subdistrict in the wireless network, and will identify from portable terminal and report to network.Embodiments of the present invention are intended to reduce manual intervention.The part that this method can be used as operations support systems and base station realizes or only realizes in RBS.The method is effectively to wireless telecommunication technologies, for example GSM, WCDMA and LTE.
The invention provides the method for operating mobile terminal in a kind of radio telecommunications system having defined a plurality of communication cells, described method comprises:
Communicate with the wireless base station of serving the first communication cell;
Detect the not exclusive identification information of second communication residential quarter;
Report detected not exclusive identification information to the wireless base station of described the first communication cell,
Wherein, described method also comprises:
Receive instruction from the wireless base station of described the first communication cell;
When receiving described instruction, detect the unique cell identification information of described second communication residential quarter; And
Report the detected unique cell identification information of described second communication residential quarter to the wireless base station of described the first communication cell.
The present invention also provides the portable terminal in a kind of radio telecommunications system having defined a plurality of communication cells, and described portable terminal comprises:
Be used for the device that communicates with the wireless base station of serving the first communication cell;
Device for detection of the not exclusive identification information of second communication residential quarter;
Be used for reporting to the wireless base station of described the first communication cell the device of detected not exclusive identification information,
Wherein, described portable terminal also comprises:
Be used for receiving from the wireless base station of described the first communication cell the device of instruction;
Device for the unique cell identification information that when receiving described instruction, detects described second communication residential quarter; And
Be used for reporting to the wireless base station of described the first communication cell the device of the detected unique cell identification information of described second communication residential quarter.
The present invention also provides the method for control resource in a kind of radio telecommunications system having defined a plurality of communication cells, and described method comprises:
Communicate with the portable terminal that in the first communication cell, operates;
Receive the not exclusive identification information of second communication residential quarter from described portable terminal; And
Define the abutting subdistrict list of described portable terminal, described abutting subdistrict list comprises described second communication residential quarter,
Wherein, described method also comprises:
Determine whether needs unique cell identification information of described second communication residential quarter according to described not exclusive identification information; And, if need above-mentioned unique identification information, then:
Send instruction to described portable terminal;
Receive the unique cell identification information relevant with described second communication residential quarter from described portable terminal; And
Define the handover candidate cells tabulation of described portable terminal, described handover candidate cells tabulation comprises described second communication residential quarter.
The present invention also provides a kind of radio telecommunication network that has defined a plurality of communication cells and comprised Internet resources, and described radio telecommunication network comprises:
Be used for the device that communicates with the portable terminal that operates at the first communication cell;
Be used for receiving from described portable terminal the device of the not exclusive identification information of second communication residential quarter; And
For the device of the abutting subdistrict list that defines described portable terminal, described abutting subdistrict list comprises described second communication residential quarter,
Wherein, described radio telecommunication network also comprises:
Be used for determining the whether device of needs unique cell identification information of described second communication residential quarter according to described not exclusive identification information; And, if need above-mentioned unique identification information, then comprise:
Be used for sending to described portable terminal the device of instruction;
Be used for receiving from described portable terminal the device of the unique cell identification information relevant with described second communication residential quarter; And
For the device of the handover candidate cells tabulation that defines described portable terminal, described handover candidate cells tabulation comprises described second communication residential quarter.
Description of drawings
Fig. 1 illustration cellular radio telecommunications network;
Fig. 2 illustration portable terminal and base station; And
Fig. 3 to Fig. 6 illustration the step in the method for having implemented one aspect of the present invention.
Embodiment
For overcoming the shortcoming of existing solution, the invention provides a kind of in the mobile cellular net method and the framework of maintaining adjacent district collection.
Fig. 2 shows by the portable terminal 4 of air interface 6 communications and the schematic diagram of base station 2.Base station 2 comprises controller 22, I/O (I/O) interface 24, radio transceiver 26 and antenna 28.Controller by transceiver 26 and antenna 28 aloft on the interface 6 with communication of mobile terminal.Controller 22 is also communicated by letter with the remainder of communication network by I/O interface 24.
Yet, come the base station 2 of work and portable terminal 4 to be configured to carry out the method for describing to Fig. 6 below with reference to Fig. 3 of the present invention according to the present invention.Should be appreciated that other discrete cells in controller or the equipment or in the network 1 can provide various functional element.
With reference to flow chart and Fig. 2 of Fig. 3 to 6 method of the present invention of implementing is described future now.Fig. 3 illustration the step of being carried out by portable terminal 4.The first step of the method is step 101, and wherein the parameter of portable terminal 4 definite peripheral cells is measured.Then, portable terminal is reported measurement information (step 103) to the base station.
Forward Fig. 4 to, the measurement information (step 107) that base station 2 receives from portable terminal 4, each measurement information and the binding of portable terminal 4 detected (not exclusive) cell identifier.If comprise from the measuring of cell ID that before is not the member of abutting subdistrict collection from the information of portable terminal 4, then can require portable terminal 4 also to extract this unique cell identification (step 113).This unique cell identification sends from the base station according to the frequency more much smaller than physical layer identifications.In order to receive the decode this information, immediately interruption of portable terminal 4 is communicated by letter with Serving cell.When having extracted this unique cell identification (step 115), send this information (step 117) to Serving cell.When Serving cell receives unique cell identification (step 119), newfound abutting subdistrict can be added to its abutting subdistrict and concentrate (step 121), and be connected with its foundation transmission.Significantly, cellular network may need that the metric data that comprises a plurality of portable terminals is carried out certain and filter to identify new neighbor, avoids thus being added under the anomalous propagation condition the remote residential quarter that (for example, the portable terminal 4 from the aircraft) detects.
In another example, portable terminal 4 can be to the base station 2 provides unique identification information, receives instructions and does like this and need not from the base station 2.
Forward Fig. 6 to, base station 2 receives unique identification information (step 119), then upgrades the abutting subdistrict collection.Like this, the abutting subdistrict collection has comprised the unique identification information of those residential quarters that can be considered to abutting subdistrict (handover candidate cells of portable terminal 4).
Utilize unique cell identification symbol (UCID) to mean and have the clear and definite information relevant with the sign of abutting subdistrict, therefore eliminated obscuring about these abutting subdistricts.Measure for great majority and to utilize fast and the not exclusive cell ID of low-resource demand can promote efficient resource utilization that portable terminal 4 is interior and to the quick switching of abutting subdistrict.When detecting new neighbor, perhaps when not exclusive and the inspection unique cell identification Relations Among are seemed appropriate, only require portable terminal 4 to extract more loaded down with trivial details unique cell identifier.
Can estimate continuously the relation of all residential quarters.The input of this evaluation is portable terminal report and event, network event and operator's input.The result who estimates is that residential quarter (or cell relations) can keep different attributes.This also can be regarded as residential quarter (relation) and is in different conditions.
The major advantage of embodiments of the present invention is need to not carry out manual intervention in the process of maintenance of neighbor collection.The operator can ignore neighbours' concept fully and allow system process the abutting subdistrict definition.
Cell search is mapped to unique cell identification (UCID) and realizes the address of node, residential quarter.For example, in LTE, this can be a common DNS, and cell ID is mapped to the IP address.The RBS that realizes this residential quarter is pointed to again in this IP address.
Claims (24)
1. the method for an operating mobile terminal in the radio telecommunications system that has defined a plurality of communication cells, described method comprises:
Communicate with the wireless base station of serving the first communication cell;
Detect the non-unique identifiers information of second communication residential quarter;
Report detected non-unique identifiers information to the wireless base station of described the first communication cell,
Wherein, described method also comprises:
Receive instruction from the wireless base station of described the first communication cell;
When receiving described instruction, detect the unique cell identification symbol information of described second communication residential quarter; And
Report the detected unique cell identification symbol information of described second communication residential quarter to the wireless base station of described the first communication cell.
2. method according to claim 1 also comprises:
Determine at least one operating parameter of described second communication residential quarter; And
The parameter information that report is relevant with the described operating parameter of described second communication residential quarter or each operating parameter.
3. method according to claim 2, wherein, described at least one operating parameter comprises that code, signal strength signal intensity are measured, in signal quality metrics and the timing information one or more.
4. method according to claim 1 wherein, also comprises:
From the wireless base station received communication cell list of described the first communication cell, described communication cell tabulation comprises described second communication residential quarter and a plurality of other communication cell.
5. according to the described method of above-mentioned any one claim, wherein, described second communication residential quarter and described the first communication cell adjacency.
6. any one described method in 3 according to claim 1 also comprises:
Detect the not exclusive cell identifier information of a plurality of other communication cells;
To described operating parameter or the relevant parameter information of each operating parameter of the report of the wireless base station of described the first communication cell and described a plurality of other communication cells, and report detected non-unique identifiers information;
If detected non-unique identifiers information is not included in the abutting subdistrict collection of described the first communication cell, then the wireless base station from described the first communication cell receives instruction;
When receiving described instruction, detect the unique cell identification symbol information of described a plurality of other communication cells; And
Report the detected unique cell identification symbol information of described a plurality of other communication cells to the wireless base station of described the first communication cell.
7. portable terminal in the radio telecommunications system that has defined a plurality of communication cells, described portable terminal comprises:
Be used for the device that communicates with the wireless base station of serving the first communication cell;
Device for detection of the non-unique identifiers information of second communication residential quarter;
Be used for reporting to the wireless base station of described the first communication cell the device of detected non-unique identifiers information,
Wherein, described portable terminal also comprises:
Be used for receiving from the wireless base station of described the first communication cell the device of instruction;
Device for the unique cell identification symbol information that when receiving described instruction, detects described second communication residential quarter; And
Be used for reporting to the wireless base station of described the first communication cell the device of the detected unique cell identification symbol information of described second communication residential quarter.
8. portable terminal according to claim 7 comprises:
The device that is used at least one operating parameter of definite described second communication residential quarter; And
The device that is used for the relevant parameter information of the described operating parameter of report and described second communication residential quarter or each operating parameter.
9. portable terminal according to claim 8, wherein, described at least one operating parameter comprises that scrambler, signal strength signal intensity are measured, in signal quality metrics and the timing information one or more.
10. portable terminal according to claim 7, wherein, described portable terminal can be from the wireless base station received communication cell list of described the first communication cell, and described communication cell tabulation comprises described second communication residential quarter and a plurality of other communication cell.
11. any one described portable terminal in 10 according to claim 7, wherein, described second communication residential quarter and described the first communication cell adjacency.
12. any one described portable terminal in 10 according to claim 7, wherein, described portable terminal can:
Detect the not exclusive cell identifier information of a plurality of other communication cells;
To described operating parameter or the relevant parameter information of each operating parameter of the report of the wireless base station of described the first communication cell and described a plurality of other communication cells, and report described non-unique identifiers information;
If detected non-unique identifiers information is not included in the abutting subdistrict collection of described the first communication cell, then the wireless base station from described the first communication cell receives instruction;
When receiving described instruction, detect the unique cell identification symbol information of described a plurality of other communication cells; And
Report the detected unique cell identification symbol information of described a plurality of other communication cells to the wireless base station of described the first communication cell.
13. the method for a control resource in the radio telecommunications system that has defined a plurality of communication cells, described method comprises:
Communicate with the portable terminal that in the first communication cell, operates;
Receive the non-unique identifiers information of second communication residential quarter from described portable terminal; And
Define the abutting subdistrict list of described portable terminal, described abutting subdistrict list comprises described second communication residential quarter,
Wherein, described method also comprises:
Determine according to described non-unique identifiers information whether the needs unique cell identification accords with information in described second communication residential quarter; And, if need above-mentioned unique identifier information, then:
Send instruction to described portable terminal;
Receive the unique cell identification symbol information relevant with described second communication residential quarter from described portable terminal; And
Define the handover candidate cells tabulation of described portable terminal, described handover candidate cells tabulation comprises described second communication residential quarter.
14. method according to claim 13 comprises:
Receive the parameter information relevant with at least one operating parameter of described second communication residential quarter from described portable terminal.
15. method according to claim 14, wherein, described at least one operating parameter comprises that scrambler, signal strength signal intensity are measured, in signal quality metrics and the timing information one or more.
16. any one described method in 15 according to claim 13, wherein, described second communication residential quarter and described the first communication cell adjacency.
17. any one described method in 15 according to claim 13 also comprises:
Receive the not exclusive cell identifier information of a plurality of other communication cells from described portable terminal;
Determine according to described non-unique identifiers information whether the needs unique cell identification accords with information to described a plurality of other communication cell; And, if need above-mentioned unique identifier information, then:
Send instruction to described portable terminal;
Receive the unique cell identification symbol information relevant with described a plurality of other communication cells from described portable terminal; And
Define the handover candidate cells tabulation of described portable terminal, described handover candidate cells tabulation comprises described a plurality of other communication cell.
18. a radio telecommunication network that has defined a plurality of communication cells and comprised Internet resources, described radio telecommunication network comprises:
Be used for the device that communicates with the portable terminal that operates at the first communication cell;
Be used for receiving from described portable terminal the device of the non-unique identifiers information of second communication residential quarter; And
For the device of the abutting subdistrict list that defines described portable terminal, described abutting subdistrict list comprises described second communication residential quarter,
Wherein, described radio telecommunication network also comprises:
Be used for determining the whether device of needs unique cell identification symbol information of described second communication residential quarter according to described non-unique identifiers information; And, if need above-mentioned unique identifier information, then comprise:
Be used for sending to described portable terminal the device of instruction;
Be used for receiving from described portable terminal the device of the unique cell identification symbol information relevant with described second communication residential quarter; And
For the device of the handover candidate cells tabulation that defines described portable terminal, described handover candidate cells tabulation comprises described second communication residential quarter.
19. network according to claim 18 comprises:
Be used for receiving from described portable terminal the device of the parameter information relevant with at least one operating parameter of described second communication residential quarter.
20. network according to claim 19, wherein, described at least one operating parameter comprises that scrambler, signal strength signal intensity are measured, in signal quality metrics and the timing information one or more.
21. any one described network in 20 according to claim 18, wherein, described second communication residential quarter and described the first communication cell adjacency.
22. any one described network in 20 according to claim 18, wherein, described Internet resources can:
Receive the not exclusive cell identifier information of a plurality of other communication cells from described portable terminal;
Determine according to described non-unique identifiers information whether the needs unique cell identification accords with information to described a plurality of other communication cell; And, if need above-mentioned unique identifier information, then:
Send instruction to described portable terminal;
Receive the unique cell identification symbol information relevant with described a plurality of other communication cells from described portable terminal; And
Define the handover candidate cells tabulation of described portable terminal, described handover candidate cells tabulation comprises described a plurality of other communication cell.
23. any one described network in 20 according to claim 18, wherein, described Internet resources are provided by the wireless base station.
24. any one described radio telecommunication network in 20 also comprises any one described portable terminal in the claim 7 to 10 according to claim 18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310190069.0A CN103369547B (en) | 2007-02-28 | 2007-02-28 | The self-configuring of abutting subdistrict and optimization in radio telecommunication network |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007800518555A CN101627643B (en) | 2007-02-28 | 2007-02-28 | Self configuring and optimisation of cell neighbours in wireless telecommunications networks |
| CN201310190069.0A CN103369547B (en) | 2007-02-28 | 2007-02-28 | The self-configuring of abutting subdistrict and optimization in radio telecommunication network |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007800518555A Division CN101627643B (en) | 2007-02-28 | 2007-02-28 | Self configuring and optimisation of cell neighbours in wireless telecommunications networks |
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| CN103369547A true CN103369547A (en) | 2013-10-23 |
| CN103369547B CN103369547B (en) | 2016-08-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11973548B2 (en) | 2022-02-03 | 2024-04-30 | T-Mobile Usa, Inc. | Adjusting a configuration of a wireless telecommunication network |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1191059A (en) * | 1995-05-24 | 1998-08-19 | 艾利森电话股份有限公司 | Creation of overlapping cells when using multiple boxes |
| WO2006113051A2 (en) * | 2005-04-13 | 2006-10-26 | Cisco Technology, Inc. | Dynamically obtaining neighborhood information |
| CN1857021A (en) * | 2003-09-27 | 2006-11-01 | 摩托罗拉公司 | A method of determining the identity of an unknown neighbor cell, and apparatus therefor |
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2007
- 2007-02-28 CN CN201310190069.0A patent/CN103369547B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1191059A (en) * | 1995-05-24 | 1998-08-19 | 艾利森电话股份有限公司 | Creation of overlapping cells when using multiple boxes |
| CN1857021A (en) * | 2003-09-27 | 2006-11-01 | 摩托罗拉公司 | A method of determining the identity of an unknown neighbor cell, and apparatus therefor |
| WO2006113051A2 (en) * | 2005-04-13 | 2006-10-26 | Cisco Technology, Inc. | Dynamically obtaining neighborhood information |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11973548B2 (en) | 2022-02-03 | 2024-04-30 | T-Mobile Usa, Inc. | Adjusting a configuration of a wireless telecommunication network |
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