CN103369547B - The self-configuring of abutting subdistrict and optimization in radio telecommunication network - Google Patents
The self-configuring of abutting subdistrict and optimization in radio telecommunication network Download PDFInfo
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- CN103369547B CN103369547B CN201310190069.0A CN201310190069A CN103369547B CN 103369547 B CN103369547 B CN 103369547B CN 201310190069 A CN201310190069 A CN 201310190069A CN 103369547 B CN103369547 B CN 103369547B
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- 238000000034 method Methods 0.000 claims description 29
- 238000013442 quality metrics Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 description 4
- 230000001413 cellular effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
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Abstract
The application relates to self-configuring and the optimization of abutting subdistrict in radio telecommunication network.It is contemplated that by requiring that mobile terminal carries out the abutting subdistrict that extra effort uniquely identifies in wireless network, reduce the cost of planning and maintaining adjacent district collection.
Description
The application is the divisional application of the application for a patent for invention of Application No. 200780051855.5, filing date on February 28th, 2007, invention entitled " self-configuring of abutting subdistrict and optimization in cordless communication network ".
Technical field
The present invention relates to self-configuring and the optimization of abutting subdistrict in radio telecommunication network.
Background technology
In accompanying drawing, Fig. 1 is exemplified with a kind of radio telecommunication network, and this network defines multiple communication cell (A, B, C, D), and each communication cell is serviced by wireless base station 2.Each communication cell covers a geographic area, and can cover a wider region by combining multiple communities.Mobile terminal 4 is illustrated as communicating in cell a and can moving freely in system 1.
Base station 2 includes many Receiver And Transmitters covered for one or more cell with radio.Each base station 2 is connected to " trunk " net or core network architecture (not shown), and it is capable of the communication between base station and other networks.The example system of Fig. 1 shows base station, one, each community.
A key concept is exactly community and neighbours thereof in such networks.In call, mobile terminal 4 generally moves freely between cells；One of its neighbours are moved to repeatedly from a community.For can the most reliably switch, it is known that neighbor list, i.e. so-called " abutting subdistrict collection " is all important for network 1 and mobile terminal 4.Network 1 can store the information collecting relevant to the neighbours of each mobile terminal.When mobile terminal crosses over cell boarder, neighbours' collection is for being estimated the mobile terminal from a community to another community and switch.Easy to understand, cell boarder limits the most clearly, actually makes owing to the scope of base station overlaps each other cell boarder understand some and obscures.
In existing system, mobile terminal 4, by receiving the signal from neighbours, detects and measures the cell operating parameters of abutting subdistrict.Measured operational factor is typically physical layer identifier, such as signal intensity, signal quality, timing information and non-uniquely distribute to the scrambler of community.Mobile terminal measures the operational factor of each abutting subdistrict, and is reported back to network 1.When thinking that the quality of an abutting subdistrict is better than current service cell, network perform from Serving cell to the switching of selected abutting subdistrict.Abutting subdistrict becomes the Serving cell of this mobile terminal.
Generally at WCDMA(WCDMA) in system, in order to determine id(scrambler) and timing information, mobile terminal detection is transmitted from the CPICH Common Pilot Channel (CPICH) of peripheral cell.
When mobile terminal is to the signal quality metrics of network-reporting abutting subdistrict, the respective mark in community becomes important.Currently, cell ID (scrambler) is recycled and reused for more than one community.Reusing of mark means that community may be obscured mutually, because the abutting subdistrict of Serving cell may have identical identification information.
Due to the physical layer identifier of community be non-uniquely, the planning of abutting subdistrict collection and safeguard cannot be fully automated.Need human intervention to solve conflict when Serving cell has the neighbours of multiple use same non-unique identifiers.
Summary of the invention
It is an object of the invention to reduce the cost of planning and maintaining adjacent district collection.This is based on extra step, wherein needs mobile terminal to make extra effort to the abutting subdistrict uniquely identifying in wireless network, and mark is reported to network from mobile terminal.Embodiments of the present invention are intended to reduce manual intervention.This method can realize as the part of operations support systems and base station or realize the most in the rbs.The method is effective to wireless telecommunication technologies, such as GSM, WCDMA and LTE.
The present invention provides a kind of method operating mobile terminal in the radio telecommunications system defining multiple communication cell, and described method includes:
Communicate with the wireless base station serving the first communication cell；
Detect the non-unique identifiers information of the second communication cell；
To the non-unique identifiers information detected by the wireless base station report of described first communication cell,
Wherein, described method also includes:
Instruction is received from the wireless base station of described first communication cell；
The unique cell identification symbol information of described second communication cell is detected when receiving described instruction；And
The unique cell identification symbol information detected by described second communication cell is reported to the wireless base station of described first communication cell.
The present invention also provides for a kind of mobile terminal in the radio telecommunications system defining multiple communication cell, and described mobile terminal includes:
For the device communicated with the wireless base station serving the first communication cell；
For detecting the device of the non-unique identifiers information of the second communication cell；
For the device to the non-unique identifiers information detected by the wireless base station report of described first communication cell,
Wherein, described mobile terminal also includes:
For receiving the device of instruction from the wireless base station of described first communication cell；
For detecting the device of the unique cell identification symbol information of described second communication cell when receiving described instruction；And
For reporting the device of the unique cell identification symbol information detected by described second communication cell to the wireless base station of described first communication cell.
The present invention also provides for a kind of method controlling resource in the radio telecommunications system defining multiple communication cell, and described method includes:
Communicate with the mobile terminal of operation in the first communication cell；
The non-unique identifiers information of the second communication cell is received from described mobile terminal；And
Defining the abutting subdistrict list of described mobile terminal, described abutting subdistrict list includes described second communication cell,
Wherein, described method also includes:
Determine that described second communication cell accords with information the need of unique cell identification according to described non-unique identifiers information；Further, if needing above-mentioned unique identifier information, then:
Instruction is sent to described mobile terminal；
The unique cell identification symbol information relevant to described second communication cell is received from described mobile terminal；And
Defining the handover candidate cells list of described mobile terminal, the list of described handover candidate cells includes described second communication cell.
The present invention also provides for a kind of radio telecommunication network defining multiple communication cell and including Internet resources, and described radio telecommunication network includes:
For the device communicated with the mobile terminal of operation in the first communication cell；
For receiving the device of the non-unique identifiers information of the second communication cell from described mobile terminal；And
For defining the device of the abutting subdistrict list of described mobile terminal, described abutting subdistrict list includes described second communication cell,
Wherein, described radio telecommunication network also includes:
For determining described second communication cell device the need of unique cell identification symbol information according to described non-unique identifiers information；Further, if needing above-mentioned unique identifier information, then include:
For sending the device of instruction to described mobile terminal；
For receiving the device of the unique cell identification symbol information relevant to described second communication cell from described mobile terminal；And
For defining the device of the handover candidate cells list of described mobile terminal, the list of described handover candidate cells includes described second communication cell.
Accompanying drawing explanation
Fig. 1 is exemplified with cellular radio telecommunications network；
Fig. 2 is exemplified with mobile terminal and base station；And
Fig. 3 to Fig. 6 is exemplified with the step in the method implementing one aspect of the present invention.
Detailed description of the invention
For overcoming the shortcoming of existing solution, the invention provides method and the framework of a kind of maintaining adjacent district collection in mobile cellular net.
Fig. 2 shows the mobile terminal 4 and the schematic diagram of base station 2 communicated by air interface 6.Base station 2 includes controller 22, input/output (I/O) interface 24, radio transceiver 26 and antenna 28.Controller by transceiver 26 and antenna 28 interface 6 aloft with communication of mobile terminal.Controller 22 is also by the remainder communication of I/O interface 24 with communication network.
Mobile terminal 4 includes controller 42, man-machine interface (MMI) 44, radio transceiver 46 and antenna 48.The controller of mobile terminal 4 for control on by transceiver 46 and antenna 48 aloft interface 6 with the communicating of base station 2.Utilizing man-machine interface 44 mutual to carry out between equipment and user, such as, man-machine interface 44 can include keyboard, mike, speaker and display device.Mobile terminal can also be the communication equipment only with machine-machine interface.These aspects of base station and mobile terminal are designed to carry out work according to usual practice.
But, come the base station 2 of work according to the present invention and mobile terminal 4 is configured to perform the method referring to Fig. 3 to Fig. 6 description of the present invention.It should be understood that other discrete cells in controller or equipment or in network 1 can provide various functional element.
Flow chart and Fig. 2 with reference to Fig. 3 to 6 describe the method implementing the present invention the most in the future.Fig. 3 is exemplified with the step performed by mobile terminal 4.The first step of the method is step 101, and wherein mobile terminal 4 determines the parameter measurements of peripheral cell.Then, mobile terminal is to base station repeats measurement information (step 103).
Forwarding Fig. 4 to, base station 2 receives the measurement information (step 107) from mobile terminal 4, each measurement information and (not exclusive) cell identifier binding detected by mobile terminal 4.Information if from mobile terminal 4 comprises measuring of the cell ID from the member not being previously abutting subdistrict collection, then may require that mobile terminal 4 also extracts this unique cell identification (step 113).This unique cell identification sends from base station according to the frequency more much smaller than physical layer identifications.In order to receive the decode this information, mobile terminal 4 needs to be immediately terminated the communication with Serving cell.When being extracted this unique cell identification (step 115), send this information (step 117) to Serving cell.Newfound abutting subdistrict can be added to when cell receiver to unique cell identification (step 119) its abutting subdistrict concentrate (step 121), and set up with it transmission be connected.Filter it is apparent that cellular network may need that the metric data comprising multiple mobile terminal is carried out certain to identify new neighbor, the remote community that under the conditions of thus avoiding being added on anomalous propagation, (such as, the mobile terminal 4 from aircraft) detects.
In another example, mobile terminal 4 can provide unique identification information to base station 2, and carrys out do so without receiving instruction from base station 2.
Forwarding Fig. 6 to, base station 2 receives unique identification information (step 119), then updates abutting subdistrict collection.So, abutting subdistrict collection contains the unique identification information of those communities that can be considered as abutting subdistrict (handover candidate cells of mobile terminal 4).
Unique cell identification symbol (UCID) is utilized to mean to there is the clear and definite information relevant to the mark of abutting subdistrict, it is thus eliminated that obscuring about these abutting subdistricts.Quick and low-resource demand the not exclusive cell ID of utilization is measured for great majority and can promote that the efficient resource in mobile terminal 4 utilizes and being switched fast to abutting subdistrict.When new neighbor being detected, or when the inspection of relation seems appropriate between to not exclusive and unique cell identification, require nothing more than mobile terminal 4 and extract more loaded down with trivial details unique cell identifier.
The relation of all communities can be evaluated continuously.The input of this evaluation is mobile terminal report and event, network event and the input of operator.The result evaluated is that community (or cell relations) can keep different attributes.This can also regard that community (relation) is in different conditions as.
The major advantage of embodiments of the present invention is to need not carry out manual intervention during maintenance of neighbor collection.Operator can ignore the concept of neighbours completely and allow system to process abutting subdistrict definition.
Unique cell identification (UCID) is mapped to the address realizing cell Node by cell search.Such as, in LTE, this can be a common DNS, and cell ID is mapped to IP address.The RBS realizing this community is pointed to again in this IP address.
Claims (24)
1. the method operating mobile terminal in the radio telecommunications system defining multiple communication cell, described method includes:
Communicate with the wireless base station serving the first communication cell；
Detecting the non-unique identifiers information of the second communication cell, wherein said non-unique identifiers information is Physical Cell Identifier；
To the non-unique identifiers information detected by the wireless base station report of described first communication cell,
Wherein, described method also includes:
Instruction is received from the wireless base station of described first communication cell；
Detect the unique cell identification symbol information of described second communication cell when receiving described instruction, wherein said unique cell identification symbol information is unique cell identification；And
The unique cell identification symbol information detected by described second communication cell is reported to the wireless base station of described first communication cell.
Method the most according to claim 1, also includes:
Determine at least one operating parameter of described second communication cell；And
Report the parameter information relevant to the described operating parameter of described second communication cell or each operating parameter.
Method the most according to claim 2, wherein, at least one operating parameter described comprises code, signal intensity is measured, one or more in signal quality metrics and timing information.
Method the most according to claim 1, wherein, also includes:
From the wireless base station reception communication cell list of described first communication cell, the list of described communication cell includes described second communication cell and other communication cell multiple.
5. according to the method described in any of the above described claim, wherein, described second communication cell adjoins with described first communication cell.
The most according to the method in claim 2 or 3, also include:
Detect the not exclusive cell identifier information of other communication cells multiple；
The parameter information relevant to the described operating parameter of other communication cell the plurality of or each operating parameter, and the non-unique identifiers information detected by report is reported to the wireless base station of described first communication cell；
If detected non-unique identifiers information is not included in the abutting subdistrict collection of described first communication cell, then receive instruction from the wireless base station of described first communication cell；
The unique cell identification symbol information of other communication cell the plurality of is detected when receiving described instruction；And
The unique cell identification symbol information detected by other communication cell the plurality of is reported to the wireless base station of described first communication cell.
7. the mobile terminal in the radio telecommunications system defining multiple communication cell, described mobile terminal includes:
For the device communicated with the wireless base station serving the first communication cell；
For detecting the device of the non-unique identifiers information of the second communication cell, wherein said non-unique identifiers information is Physical Cell Identifier；
For the device to the non-unique identifiers information detected by the wireless base station report of described first communication cell,
Wherein, described mobile terminal also includes:
For receiving the device of instruction from the wireless base station of described first communication cell；
For detecting the device of the unique cell identification symbol information of described second communication cell when receiving described instruction, wherein said unique cell identification symbol information is unique cell identification；And
For reporting the device of the unique cell identification symbol information detected by described second communication cell to the wireless base station of described first communication cell.
Mobile terminal the most according to claim 7, including:
For determining the device of at least one operating parameter of described second communication cell；And
For reporting the device of the parameter information relevant to the described operating parameter of described second communication cell or each operating parameter.
Mobile terminal the most according to claim 8, wherein, at least one operating parameter described comprises scrambler, signal intensity is measured, one or more in signal quality metrics and timing information.
Mobile terminal the most according to claim 7, wherein, described mobile terminal can be from the wireless base station reception communication cell list of described first communication cell, and the list of described communication cell includes described second communication cell and other communication cell multiple.
11. according to the mobile terminal in any of the one of claim 7 to 10, and wherein, described second communication cell adjoins with described first communication cell.
12. mobile terminals according to claim 8 or claim 9, wherein, described mobile terminal can:
Detect the not exclusive cell identifier information of other communication cells multiple；
Report the parameter information relevant to the described operating parameter of other communication cell the plurality of or each operating parameter to the wireless base station of described first communication cell, and report described non-unique identifiers information；
If detected non-unique identifiers information is not included in the abutting subdistrict collection of described first communication cell, then receive instruction from the wireless base station of described first communication cell；
The unique cell identification symbol information of other communication cell the plurality of is detected when receiving described instruction；And
The unique cell identification symbol information detected by other communication cell the plurality of is reported to the wireless base station of described first communication cell.
13. 1 kinds of methods controlling resource in the radio telecommunications system defining multiple communication cell, described method includes:
Communicate with the mobile terminal of operation in the first communication cell；
Receive the non-unique identifiers information of the second communication cell from described mobile terminal, wherein said non-unique identifiers information is Physical Cell Identifier；And
Defining the abutting subdistrict list of described mobile terminal, described abutting subdistrict list includes described second communication cell,
Wherein, described method also includes:
Determining that described second communication cell accords with information the need of unique cell identification according to described non-unique identifiers information, wherein said unique cell identification symbol information is unique cell identification；Further, if needing above-mentioned unique identifier information, then:
Instruction is sent to described mobile terminal；
The unique cell identification symbol information relevant to described second communication cell is received from described mobile terminal；And
Defining the handover candidate cells list of described mobile terminal, the list of described handover candidate cells includes described second communication cell.
14. methods according to claim 13, including:
The parameter information relevant at least one operating parameter of described second communication cell is received from described mobile terminal.
15. methods according to claim 14, wherein, at least one operating parameter described comprises scrambler, signal intensity is measured, one or more in signal quality metrics and timing information.
16. according to the method in any of the one of claim 13 to 15, and wherein, described second communication cell adjoins with described first communication cell.
17., according to the method in any of the one of claim 13 to 15, also include:
The not exclusive cell identifier information of other communication cells multiple is received from described mobile terminal；
Determine that other communication cell the plurality of accords with information the need of unique cell identification according to described non-unique identifiers information；Further, if needing above-mentioned unique identifier information, then:
Instruction is sent to described mobile terminal；
The unique cell identification symbol information relevant to other communication cell the plurality of is received from described mobile terminal；And
Defining the handover candidate cells list of described mobile terminal, the list of described handover candidate cells includes other communication cell the plurality of.
18. 1 kinds define multiple communication cell and include the radio telecommunication network of Internet resources, and described radio telecommunication network includes:
For the device communicated with the mobile terminal of operation in the first communication cell；
For receiving the device of the non-unique identifiers information of the second communication cell from described mobile terminal, wherein said non-unique identifiers information is Physical Cell Identifier；And
For defining the device of the abutting subdistrict list of described mobile terminal, described abutting subdistrict list includes described second communication cell,
Wherein, described radio telecommunication network also includes:
For determining described second communication cell device the need of unique cell identification symbol information according to described non-unique identifiers information, wherein said unique cell identification symbol information is unique cell identification；Further, if needing above-mentioned unique identifier information, then include:
For sending the device of instruction to described mobile terminal；
For receiving the device of the unique cell identification symbol information relevant to described second communication cell from described mobile terminal；And
For defining the device of the handover candidate cells list of described mobile terminal, the list of described handover candidate cells includes described second communication cell.
19. networks according to claim 18, including:
For receiving the device of the parameter information relevant at least one operating parameter of described second communication cell from described mobile terminal.
20. networks according to claim 19, wherein, at least one operating parameter described comprises scrambler, signal intensity is measured, one or more in signal quality metrics and timing information.
21. according to the network in any of the one of claim 18 to 20, and wherein, described second communication cell adjoins with described first communication cell.
22. according to the network in any of the one of claim 18 to 20, wherein, described Internet resources can:
The not exclusive cell identifier information of other communication cells multiple is received from described mobile terminal；
Determine that other communication cell the plurality of accords with information the need of unique cell identification according to described non-unique identifiers information；Further, if needing above-mentioned unique identifier information, then:
Instruction is sent to described mobile terminal；
The unique cell identification symbol information relevant to other communication cell the plurality of is received from described mobile terminal；And
Defining the handover candidate cells list of described mobile terminal, the list of described handover candidate cells includes other communication cell the plurality of.
23. according to the network in any of the one of claim 18 to 20, and wherein, described Internet resources are provided by wireless base station.
24., according to the radio telecommunication network in any of the one of claim 18 to 20, also include the mobile terminal in any of the one of claim 7 to 12.
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| Application Number | Priority Date | Filing Date | Title |
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| 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 | Priority Date | Filing Date | Title |
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| CN2007800518555A CN101627643B (en) | 2007-02-28 | 2007-02-28 | Self-Configuration and Optimization of Neighboring Cells in Wireless Communication 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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| CN2007800518555A Division CN101627643B (en) | 2007-02-28 | 2007-02-28 | Self-Configuration and Optimization of Neighboring Cells in Wireless Communication Networks |
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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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| 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
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| 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 |
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| US11973548B2 (en) | 2022-02-03 | 2024-04-30 | T-Mobile Usa, Inc. | Adjusting a configuration of a wireless telecommunication network |
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