CN102612024A - Self-configuration method of physical cell identity of relay station - Google Patents
Self-configuration method of physical cell identity of relay station Download PDFInfo
- Publication number
- CN102612024A CN102612024A CN2012101089901A CN201210108990A CN102612024A CN 102612024 A CN102612024 A CN 102612024A CN 2012101089901 A CN2012101089901 A CN 2012101089901A CN 201210108990 A CN201210108990 A CN 201210108990A CN 102612024 A CN102612024 A CN 102612024A
- Authority
- CN
- China
- Prior art keywords
- relay station
- pci
- self
- newly
- built
- 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.)
- Pending
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention relates to a self-configuration method of a physical cell identity of a relay station in mobile communication. The method comprises the following steps of: enabling the relay station which newly joins a network to get the signal intensity of the cell of the neighbor relay station and the cell of a macro base station, as well as configuration information of the physical cell identities, and reporting to an operation management and maintenance system; enabling the operation management and maintenance system to perform information interaction with the macro base station to which the relay station belongs and a neighbor base station to get unavailable physical cell identities of the neighbor cells; and enabling the operation management and maintenance system to delete the unavailable physical cell identities of the neighbor cells from a physical cell identity list, if the physical cell identity list is not empty, randomly selecting the physical cell identity and allocating to the relay station, otherwise, selecting the physical cell identity of the neighbor cell with the weakest signal intensity and allocating to the relay station.
Description
Technical field
The present invention relates to the mobile communication technology field, special, the present invention is Physical Cell Identifier (Physic Cell ID, self-configuration method PCI) that is used for next generation mobile communication system (LTE/LTE-Advanced) Type 1 relay station (Relay).
Background technology
At present; 3-G (Generation Three mobile communication system) has obtained commercial widely; Simultaneously; The 9th version (Release-9) of the evolution technology of UMTS (UMTS)---LTE standard also formulated in the end of the year 2010 and accomplished, and the standard formulation of the 4th third-generation mobile communication system (Release-11) starts, and is placed high hopes by the leading LTE-Advanced technology of formulating of 3GPP.
In LTE/LTE-A, the sub-district generally uses Physical Cell Identifier (PCI) to distinguish, and the physical label cell ID has 504; Because its limited amount, and in the network of whole operator, particularly along with the deployment of relay station, Home eNodeB etc.; The number of sub-district is greater than 504, and is multiplexing because this just need carry out PCI, and this has just produced two problems; One is the conflict of Physical Cell Identifier, and another is obscuring of Physical Cell Identifier.The PCI conflict generally occurs in has disposed identical PCI between neighbor cell; It then is that (User Equipment UE) cannot distinguish the problem which sub-district is the target switching cell because two neighbor cells of a sub-district have disposed the subscriber equipment that identical PCI causes that PCI obscures.
Along with development of wireless communication devices, (Self-Organizing Network SON) has obtained people's attention to self-organizing network, and SON comprises self-configuring, self-optimizing and self-healing, and has just comprised the self-configuring of PCI in the self-configuring.The PCI self-configuring is hoped the problem that can reduce as far as possible and avoid occurring the Physical Cell Identifier conflict and obscure to have reduced artificial participation simultaneously, the cost of the operator of attenuating, thus increased the income of operator indirectly.
Along with system's frequency of utilization is increasingly high; The decay meeting of signal is more serious; The signal strength signal intensity and the decline of quality that cause simultaneously owing to reasons such as blocking of building, the user is also promoting for service quality gradually, in order to remedy the network coverage and raising power system capacity; Relay station (Relay Station is introduced in the LTE-Advanced decision in the new network architecture; RS) enlarge the network coverage and power system capacity, make the user to come access network, can also come access network through relay station simultaneously through macro base station.
Compare with common macro base station; Relay station has that volume is little, transmitting power is low, increase coverage and cover characteristics such as dead band; Each big operator, equipment commercial city give relay station with great concern both at home and abroad at present, and on North America, Europe and other places, relay station has obtained commercial preferably.
Yet along with a large amount of deployment of relay station, the Physical Cell Identifier of relay station is configured as a new challenge, up to the present, does not occur the method about the Physical Cell Identifier self-configuring of relay station as yet.And the Physical Cell Identifier self-configuration method in the LTE macro base station is difficult to effectively to solve relay station PCI self-configuring problem, particularly for the PCI self-configuring problem of the relay station of new adding network.
Shown in Figure 1 for comprise relay station and macro base station (Donor eNB, system architecture diagram DeNB), its comprise two macro base stations, two relay stations and operation management maintenance system (OperationAdministration and Maintenance, OAM).
Summary of the invention
The problem of the Physical Cell Identifier self-configuring when the present invention is intended to the newly-built relay station access network of the fine solution of failing in the existing PCI self-configuring; Proposed a kind ofly based on electrometric PCI self-configuration method on the relay station, this method can effectively avoid PCI conflict and PCI to obscure problem.
To achieve these goals, solve the corresponding techniques problem, the invention provides a kind of PCI self-configuring scheme of newly-built relay station:
Step 1: the operation management maintenance system is PCI tabulation of relay station configuration, and relay station obtains the PCI configuration and the signal strength measurement information of neighbor cell;
Step 2: relay base station sends to the operation management maintenance system with the information that obtains in the step 1, and the operation management maintenance system obtains adjacent macro base station PCI configuration information, and the adjacent cell signal strength that in step 1, obtains relay station sorts;
Step 3: in the PCI tabulation, reject unavailable PCI, judged whether the available PCI residue;
Step 4:, then select the residue available PCI to dispose at random to relay station if the available PCI residue is arranged in the step 3;
Step 5:, then in the adjacent cell list that relay station reports, select the most weak corresponding PCI in sub-district of signal strength signal intensity to dispose to relay station if there is not the available PCI residue in the step 3.
In step 1, relay station is measured in the process of neighbor cell signal intensity, can set a threshold value, is higher than this thresholding and just measures.
In step 3, the PCI that is defined as the affiliated Donor eNB of newly-built relay station of unavailable PCI, the PCI that the macro base station adjacent with Donor eNB takies; The PCI that the relay station that the macro base station adjacent with Donor eNB comprises takies.
Can find out from above technical scheme; Technical scheme of the present invention sends to the operation management maintenance system with the signal strength measurement information and the PCI configuring condition of the adjacent sub-district of newly-built relay station; The operation management maintenance system obtains the PCI that relay station that the PCI of the Donor eNB under the newly-built relay station, PCI that the macro base station adjacent with Donor eNB takies and the macro base station adjacent with Donor eNB comprise takies; Reject these unavailable PCI; If the available PCI residue is arranged; Then PCI of picked at random disposes to newly-built relay station in residue available PCI set, otherwise in the adjacent cell list that newly-built relay station is measured, selects the PCI of the most weak sub-district of signal strength signal intensity to be configured to the PCI of himself.
Through accompanying drawing and specific embodiment technical scheme of the present invention is further set forth below.
Description of drawings
In order to set forth embodiments of the invention and existing technical scheme more clearly; Below the explanation accompanying drawing of using in technical scheme explanation accompanying drawing of the present invention and the description of the Prior Art is done simple introduction; Conspicuous; Under the prerequisite of not paying creative work, those of ordinary skills can obtain other accompanying drawing through this accompanying drawing.
Shown in Figure 1 for comprising the system architecture diagram of relay station, macro base station and operation management maintenance system in the embodiment of the invention;
Shown in Figure 2 is the flow chart that newly-built relay station is realized the PCI self-configuring in the embodiment of the invention;
Embodiment
Clearer for what technical scheme advantage of the present invention was described, do further to set forth in detail below in conjunction with the accompanying drawing specific embodiments of the invention, obvious described embodiment is part embodiment of the present invention, rather than whole embodiment.According to embodiments of the invention, those of ordinary skill in the art can realize every other embodiment of the present invention on without the basis of creative work, all belong to protection scope of the present invention.
In the following description, the technology that has nothing to do with the present invention is only done concise and to the point technical descriptioon or directly plunderred suddenly skip over.
Main thought of the present invention is; After newly-built relay station powers on; Be PCI tabulation of newly-built relay station configuration at first by the operation management maintenance system; Meanwhile relay station utilizes its receiver function that has to receive the signal strength signal intensity and the PCI configuration information of adjacent sub-district (containing relaying sub-district and macrocell); After the operation management maintenance system receives the adjacent cell signal strength and PCI configuration information that newly-built relay station measures, according to its corresponding signal strength signal intensity ordering, and obtain the PCI configuration information of contiguous macrocell of the corresponding Donor eNB of newly-built relay station and affiliated relay station thereof to adjacent sub-district PCI.
The term that hereinafter is quoted " macro base station " comprises but does not belong to eNodeB, base station, evolved base station etc.
Shown in Figure 1 for the system architecture diagram under the PCI self-configuring scene that comprises relay station and macro base station simultaneously, for simply, only provide the scene that contains two relay stations, two macro base stations and an operation management maintenance system.
Fig. 2 is the PCI self-configuring flow chart of a newly-built relay station of the embodiment of the invention, specifically comprises:
Step 201: the operation management maintenance system is PCI tabulation of newly-built relay station configuration.
Step 202: newly-built relay station is measured adjacent sub-district on every side, and with reporting measuring result to operation management maintenance system.
Signal strength information and the PCI configuration information of adjacent cell base station around comprising in the metrical information of newly-built relay station to adjacent sub-district on every side that newly-built relay station receives, reporting rule possibly be the mode of Event triggered, promptly relay station reports after powering on and measuring completion.
In step 202, relay station is measured in the process of neighbor cell signal intensity, can set a threshold value, is higher than this thresholding and just measures.
Step 203: the operation management maintenance system obtains contiguous macrocell PCI information, and sorts obtaining the adjacent cell signal strength of newly-built relay station in the step 202.
The PCI information that the operation management maintenance system obtains contiguous macrocell and relaying sub-district thereof can be obtained by ANR (Automatic Neighboring Relation).
Step 204: reject unavailable PCI, judge whether to remain in addition available PCI.
Unavailable PCI in the step 204 is defined as:
The PCI of Donor eNB under the newly-built relay station;
The PCI that the macro base station adjacent with Donor eNB takies;
The PCI that the relay station that the macro base station adjacent with Donor eNB comprises takies;
Step 205: if the residue available PCI is arranged, then picked at random PCI disposes to newly-built relay station.
Step 206:, then in step 203, select the most weak corresponding PCI in sub-district of signal strength signal intensity to dispose in the adjacent sub-district of newly-built relay station to relay station if do not remain available PCI.
Claims (6)
1. the method for the Physical Cell Identifier self-configuring of a newly-built relay station is characterized in that may further comprise the steps:
Step 1: the operation management maintenance system is PCI tabulation of relay station configuration;
Step 2: newly-built relay station is measured adjacent sub-district on every side, and with reporting measuring result to operation management maintenance system;
Step 3: the operation management maintenance system obtains adjacent macro base station PCI configuration information, and the adjacent sub-district PCI information that in step 1, obtains relay station sorts according to the pilot signal strength of correspondence;
Step 4: reject unavailable PCI, judge whether to remain in addition available PCI;
Step 5:, then select the residue available PCI to dispose at random to relay station if the available PCI residue is arranged in the step 3;
Step 6:, then in the adjacent cell list that relay station reports, select the most weak corresponding PCI in sub-district of pilot signal strength to dispose to relay station if there is not the available PCI residue in the step 3.
2. relay station PCI self-configuration method according to claim 1 is characterized in that:
In the said step 1, the entity for the tabulation of relay station PCI allocation in this step is that operation management maintenance system (OAM) is accomplished.
3. relay station PCI self-configuration method according to claim 1 is characterized in that:
In the said step 2; The pilot signal strength and the PCI configuration information of adjacent cell base station around comprising in the metrical information of newly-built relay station to adjacent sub-district on every side that newly-built relay station receives; Reporting rule possibly be the mode of Event triggered, and promptly relay station reports after powering on and measuring completion.
In the said step 2, relay station obtains can set a threshold value in the process of neighbor cell PCI, and pilot signal strength is higher than this thresholding and just measures.
4. relay station PCI self-configuration method according to claim 1 is characterized in that:
In the said step 3, relay station obtains contiguous macrocell PCI information and can obtain through the ANR (Automatic Neighboring Relation) of system.
5. relay station PCI self-configuration method according to claim 1 is characterized in that:
In the said step 4, unavailable PCI is defined as:
The PCI of Donor eNB under the newly-built relay station;
The PCI that relay station in the Donor eNB coverage takies;
The PCI that the macro base station adjacent with Donor eNB takies;
The PCI that the relay station that the macro base station adjacent with Donor eNB comprises takies.
6. relay station PCI self-configuration method according to claim 1 is characterized in that:
In the said step 6, the definition of the adjacent sub-district of newly-built relay station that signal strength signal intensity is the most weak is relevant with the measurement thresholding of newly-built relay station in the step 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101089901A CN102612024A (en) | 2012-04-13 | 2012-04-13 | Self-configuration method of physical cell identity of relay station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101089901A CN102612024A (en) | 2012-04-13 | 2012-04-13 | Self-configuration method of physical cell identity of relay station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102612024A true CN102612024A (en) | 2012-07-25 |
Family
ID=46529124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101089901A Pending CN102612024A (en) | 2012-04-13 | 2012-04-13 | Self-configuration method of physical cell identity of relay station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102612024A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104735678A (en) * | 2013-12-24 | 2015-06-24 | 中国电信股份有限公司 | Micro-cell identification obtaining method and system achieved based on macro base station and base station |
| CN105323788A (en) * | 2014-08-01 | 2016-02-10 | 中国移动通信集团公司 | Method and device for determining physical cell identifier PCI of micro base station, micro base station and macro base station |
| WO2022120574A1 (en) * | 2020-12-08 | 2022-06-16 | 华为技术有限公司 | Beam management method for physical cell and related apparatus |
| US11589246B2 (en) | 2020-12-23 | 2023-02-21 | Industrial Technology Research Institute | Method of managing distributed self-organizing network by surrounding base station information and base station using the same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101480088A (en) * | 2006-06-29 | 2009-07-08 | 卢森特技术有限公司 | A method of dynamically populating a neighbor list in a wireless communication system |
| CN101742484A (en) * | 2008-11-07 | 2010-06-16 | 中兴通讯股份有限公司 | Method for allocating physical cell identity (PCI) and base station |
| CN102083125A (en) * | 2009-11-26 | 2011-06-01 | 大唐移动通信设备有限公司 | Measurement result reporting method and equipment |
| CN102106177A (en) * | 2008-07-25 | 2011-06-22 | 高通股份有限公司 | Cell identifier assignment and selection |
-
2012
- 2012-04-13 CN CN2012101089901A patent/CN102612024A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101480088A (en) * | 2006-06-29 | 2009-07-08 | 卢森特技术有限公司 | A method of dynamically populating a neighbor list in a wireless communication system |
| CN102106177A (en) * | 2008-07-25 | 2011-06-22 | 高通股份有限公司 | Cell identifier assignment and selection |
| CN101742484A (en) * | 2008-11-07 | 2010-06-16 | 中兴通讯股份有限公司 | Method for allocating physical cell identity (PCI) and base station |
| CN102083125A (en) * | 2009-11-26 | 2011-06-01 | 大唐移动通信设备有限公司 | Measurement result reporting method and equipment |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104735678A (en) * | 2013-12-24 | 2015-06-24 | 中国电信股份有限公司 | Micro-cell identification obtaining method and system achieved based on macro base station and base station |
| CN104735678B (en) * | 2013-12-24 | 2018-07-24 | 中国电信股份有限公司 | The Microcell sign acquiring method and system realized based on macro base station and base station |
| CN105323788A (en) * | 2014-08-01 | 2016-02-10 | 中国移动通信集团公司 | Method and device for determining physical cell identifier PCI of micro base station, micro base station and macro base station |
| CN105323788B (en) * | 2014-08-01 | 2018-11-16 | 中国移动通信集团公司 | The physical area PCI of micro-base station determines method, apparatus, micro-base station and macro base station |
| WO2022120574A1 (en) * | 2020-12-08 | 2022-06-16 | 华为技术有限公司 | Beam management method for physical cell and related apparatus |
| US11589246B2 (en) | 2020-12-23 | 2023-02-21 | Industrial Technology Research Institute | Method of managing distributed self-organizing network by surrounding base station information and base station using the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3614716B1 (en) | Managing heterogeneous cellular networks | |
| KR101910725B1 (en) | Channel selection scanning in shared spectrum | |
| CN105556994B (en) | User equipment, evolved node B and method for being operated in coverage enhancement mode | |
| CN102045686B (en) | The method and apparatus of mobile management is supported in a kind of cordless communication network | |
| CN102123480B (en) | The notice of access capability of relay node and transmission method | |
| CN110691040A (en) | Machine type communication aggregator apparatus and method | |
| CN101801049A (en) | Switching optimization method between macro cell and family base station cell | |
| CN102869025A (en) | Measurement processing method and system | |
| CN106375965B (en) | Method, device and system for broadcasting system information | |
| CN103220703A (en) | Measuring method, measuring equipment and measuring system of radio resource management | |
| CN105208593A (en) | Management method of auxiliary service district on non-authorized frequency spectrum, system and base station | |
| CN102647722A (en) | Method and system for supplying service for terminal through TDD (Time Division Duplex) cell | |
| CN101990197B (en) | Method and system for realizing cell physical identification configuration in home base station | |
| CN101835213A (en) | Reporting method of measurement report and cell switching method | |
| US20160037538A1 (en) | System and method for interference coordination between communications nodes | |
| CN102244877A (en) | Method and device for updating neighbouring cell relationship list | |
| CN101990234A (en) | Method, device, and terminal for reporting measurement reports | |
| CN103052036A (en) | System information block (SIB) broadcasting method, trans-regional reselecting method and device | |
| CN102612024A (en) | Self-configuration method of physical cell identity of relay station | |
| CN103384375A (en) | Base station standard edition mode processing method, device and terminal and base station | |
| CN104105159A (en) | Small cell discovery method and center control unit | |
| US20130182690A1 (en) | Carrier Selection | |
| CN102612038A (en) | Self-configuration method of physical cell identity of family base station | |
| CN101610555B (en) | Method, system and device for triggering switching | |
| CN101990219A (en) | Processing method of measurement report and user equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120725 |