CN101772097B - Method and system for allocating physical cell identifiers - Google Patents
Method and system for allocating physical cell identifiers Download PDFInfo
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- CN101772097B CN101772097B CN2009100003403A CN200910000340A CN101772097B CN 101772097 B CN101772097 B CN 101772097B CN 2009100003403 A CN2009100003403 A CN 2009100003403A CN 200910000340 A CN200910000340 A CN 200910000340A CN 101772097 B CN101772097 B CN 101772097B
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Abstract
The embodiment of the invention discloses a method and a system for allocating physical cell identifiers (PCI), which can greatly reduce the probability of PCI conflicts and realize automatic configuration of the PCI. The method provided by the embodiment comprises the following steps of: arranging a first PCI list including a temporary PCI and an identifier for indicating whether the temporary PCI is in use; allocating the temporary PCI to a newly-activated cell from the first PCI list, and arranging the identifier as a first identifier; performing automatic neighborhood relation (ANR) detection for the newly-activated cell to acquire an operation PCI used by a neighborhood of the newly-activated cell; allocating a PCI different from the operation PCI used by the neighborhood to the newly-activated cell from a second PCI list, wherein the PCIs in the first PCI list are different from that in the second PCI list; and arranging the identifier as a second identifier different from the first identifier, and releasing the temporary PCI.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of Physical Cell Identifier (Physic Cell ID, distribution method PCI) and distribution system.
Background technology
At present, self-organizing network (Self-Organizing Networks, SON) in, network element device often adopts automatic PCI allocation mode.Automatically the mode of PCI allocation has two kinds: a kind of is that centralized PCI distributes: and the operation management maintenance system (Operations Administration and Maintenance, OAM) system is to available PCI of new activation cell allocation; A kind of is that distributed PCI distributes: the OAM system newly activates sub-district oneself and selects PCI to available PCI tabulation of new activation cell allocation.The main purpose that PCI automatically distributes be for the new sub-district of activating be newly to activate the sub-district to distribute a suitable PCI automatically.Because it is available that current agreement regulation has 504 PCI, multiplexing for inevitably carrying out these PCI in the real networking, causes the PCI conflict probably if deal with improperly, promptly disposed identical PCI between two adjacent areas; Also possibly cause PCI to obscure, promptly two of a base station neighbor cell configuration identical PCI, (User Equipment, UE) request newly activates the sub-district and will not know that which sub-district is a Target cell when switching to neighbor cell when user terminal.
Solution to the problems described above is based on and utilizes Automatic Neighboring Relation (AutomaticNeighbor Relation in the prior art; ANR) detection technique is carried out the adjacent area detection; (Neighbor Relation Table, NRT) information are found this already used operation in adjacent area, new activation sub-district PCI with this to detect the Neighboring Relation Table that newly activates the sub-district by UE; After obtaining correct NRT information, newly activate affiliated base station, sub-district and give the OAM system NRT information reporting.When having the PCI conflict, redistribute a different PCI of PCI that is using with new activation adjacent area, sub-district for this new activation sub-district by the OAM system.
But in the such scheme, when the PCI conflict had taken place the PCI that distributes, UE possibly can't detect effective signal, can't utilize the ANR technology to obtain the already used PCI in adjacent area of new activation sub-district, caused avoiding PCI conflict or PCI to obscure.
Summary of the invention
The embodiment of the invention provides distribution method and the distribution system of a kind of PCI, can reduce the probability of PCI conflict greatly, realizes the automatic configuration of PCI.
On the one hand, the embodiment of the invention provides the distribution method of a kind of Physical Cell Identifier PCI, comprising:
The one PCI tabulation is set, and said PCI tabulation comprises interim PCI and the sign that is used to indicate this interim PCI whether using;
Be the interim PCI of new activation cell allocation from PCI tabulation, and the sign that is used to indicate said interim PCI whether using is set to first sign;
Automatic Neighboring Relation ANR detection is carried out in said new activation sub-district, obtains the PCI of the adjacent area use of said new activation sub-district, and said adjacent area comprises the direct adjacent area of direct adjacent area and direct adjacent area;
For from the 2nd PCI tabulation, distributing the different PCI of operation PCI that uses with said adjacent area in said new activation sub-district; The said PCI tabulation PCI that tabulation comprises with the 2nd PCI is different; And the sign that is used to indicate said interim PCI whether using is set to second sign different with said first sign, and discharges the interim PCI that use said new activation sub-district.
On the other hand, the embodiment of the invention provides the distribution system of a kind of Physical Cell Identifier PCI, comprising:
The tabulation setting device is used to be provided with PCI tabulation, and said PCI tabulation comprises interim PCI and the sign that is used to indicate this interim PCI whether using;
Interim PCI distributor is used for activating the interim PCI of cell allocation from PCI tabulation for new, and representes that the sign whether this interim PCI is using is set to first sign;
Checkout gear is used to carry out Automatic Neighboring Relation ANR and detects, and obtains the PCI of the adjacent area use of said new activation sub-district, and said adjacent area comprises the direct adjacent area of direct adjacent area and direct adjacent area;
Operation PCI distributor; Be used to said new activation sub-district and from the 2nd PCI tabulation, distribute the different PCI of operation PCI of the adjacent area use of obtaining with said checkout gear; The said PCI tabulation PCI that tabulation comprises with the 2nd PCI is different; And the sign that is used to indicate said interim PCI whether using is set to second sign different with said first sign, and discharges said interim PCI.
Technical scheme by the above embodiment of the invention provides can be known; Through PCI tabulation is set; The one PCI tabulation comprises interim PCI and the sign that is used to indicate this interim PCI whether using; When interim PCI value is assigned with, represent whether this interim PCI is using sign to be set to first sign; When after interim PCI value is not assigned with or distributes, being released again; The sign of whether using of representing this interim PCI is set to second sign different with first sign; Can not only guarantee making full use of of PCI resource like this; And can guarantee that the OAM system uses information through the present the whole network of inquiry; Perhaps obscure for the interim PCI that newly activates cell allocation can not produce conflict with other PCI that are in the operation state sub-district in the network, guarantee newly to activate the sub-district and can utilize the ANR detection technique to obtain the operation PCI of the adjacent area use of new activation sub-district, the PCI that uses based on the adjacent area that obtains is said new activation cell allocation operation PCI then; Therefore can reduce the probability of PCI conflict greatly, realize the automatic distribution of PCI.
Description of drawings
The schematic flow sheet of the distribution method of a kind of PCI that Fig. 1 provides for the embodiment of the invention;
The schematic flow sheet of the distribution method of the another kind of PCI that Fig. 2 provides for the embodiment of the invention;
The schematic flow sheet of the distribution method of the another kind of PCI that Fig. 3 provides for the embodiment of the invention;
The schematic flow sheet of the distribution method of the another kind of PCI that Fig. 4 provides for the embodiment of the invention;
The planning sketch map of a kind of network area that Fig. 5 provides for the embodiment of the invention;
The schematic flow sheet of the distribution method of the another kind of PCI that Fig. 6 provides for the embodiment of the invention;
The illustrative view of functional configuration of the distribution system of a kind of PCI that Fig. 7 provides for the embodiment of the invention.
Embodiment
For make the object of the invention, technical scheme, and advantage clearer, below in conjunction with the accompanying drawing embodiment that develops simultaneously, technical scheme provided by the invention is described in further detail.
Among each embodiment of the PCI distribution method that provides among the present invention, zone to be planned is meant the network's coverage area that operator need plan, zone for a short time to be planned is meant when planning the zone of zone whole to be planned further being divided formation.
In the various embodiments of the present invention; Before being the PCI that uses when newly activating the cell allocation operation; From PCI tabulation the new interim PCI of cell allocation that activates; Make new activation sub-district can carry out ANR and detect, obtain the operation PCI that is using the adjacent area, the operation PCI that is using according to the adjacent area again is the new cell allocation operation PCI that activates from the 2nd PCI tabulation.Wherein, the PCI tabulation PCI that tabulation comprises with the 2nd PCI is different.The one PCI tabulation, or be called when PCI in the interim PCI tabulation (Temp PCI list) only is used for carrying out ANR when the sub-district has just been activated and use, PCI tabulation comprises interim PCI (Temp PCI) and the sign of representing whether this Temp PCI is using; The 2nd PCI tabulation, or be called operation PCI tabulation, in PCI use when being used for newly activating the sub-district operation.
Referring to Fig. 1, the distribution method of a kind of PCI that the embodiment of the invention provides comprises:
In the present embodiment, directly the adjacent area is meant and the new adjacent or overlapping sub-district, sub-district of activating.
The distribution method of the PCI that the embodiment of the invention provides; Through being the new cell allocation Temp PCI that activates; The ANR detection is carried out in the new sub-district of activating; Obtain the operation PCI of the adjacent area use of new activation sub-district, the operation PCI that uses according to the adjacent area that obtains then distributes operation PCI for new activation sub-district from operation PCI tabulation, can reduce the probability that PCI conflicts greatly.
Referring to Fig. 2, the distribution method of the another kind of PCI that the embodiment of the invention provides comprises:
In the present embodiment, each the Temp PCI in the Temp PCI list comprises Temp PCI and the sign isUsedFlag that is used to indicate this Temp PCI whether using.The information such as probability that the length of Temp PCI list can scale Network Based, a plurality of new activation sub-district powers on simultaneously in this planning zone are confirmed flexibly.
In the present embodiment; The OAM system at first need be provided with the number of Temp PCI and the value that Temp PCI can select in advance before operation; The value that can select number and the Temp PCI of Temp PCI of OAM system is made amendment in addition; Such as the number that increases, reduces Temp PCI, change available Temp PCI value.
In the present embodiment, OAM be new to activate Temp PCI of cell selecting at random or according to the order among the Temp PCI list, and the isUsedFlag that is newly being activated the Temp PCI of sub-district use is set to true; The isUsedFlag that is not newly activated the Temp PCI that uses the sub-district is set to false; Certainly, also can use other mark mode, for example 1 and 0; Perhaps other form of expression; As long as can distinguish two kinds of different situations, make the OAM system use information through the present the whole network of inquiry, understand the new Temp PCI that the sub-district can be used that activates.
In the present embodiment, the adjacent area of newly activating the sub-district comprises the direct adjacent area of new activation sub-district and the direct adjacent area of direct adjacent area at least, promptly indirect adjacent area.
In the present embodiment, be new the had dual mode that activates a sub-district operation of distribution PCI from operation PCI tabulation: by OAM is a new operation of the cell selecting PCI that activates, and is newly to activate an operation of cell selecting PCI by base station under the new activation sub-district perhaps.Wherein, after being new activated cell selecting operation PCI, whether this Temp PCI of expression is using sign isUsedFlag to be set to false among the OAM Temp PCI list, discharges this Temp PCI resource.
In the step 21 of the embodiment of the invention, Temp PCI list is set can be realized through following any one scheme:
Scheme 1: from all PCI resources, select the PCI of at least one to wait to plan the Temp PCI list in zone as whole new activation sub-district.
Scheme 2: zone whole to be planned is divided into N different waiting for a short time plans zone (Area); Be divided into M PCI list to all PCI resources, wait to plan regional multiplexing M operation PCI list for a short time for all N, wherein N and M are integer; When waiting for a short time to plan that Temp PCI list is selected in the zone; Should make that the PCI that comprises among the operation PCI list of the PCI that comprises among its Temp PCIlist and its use is different; For example; Can select at least one PCI from waiting for a short time to plan other little planning zones of using different PCI to organize in the zone, wait to plan the Temp PCI list in zone for a short time as this with this.
Scheme 3: obtain the operation PCI that is using the adjacent area of new activation sub-district; From all PCI resources, remove the operation PCI that is using above-mentioned adjacent area; From remaining PCI, select at least one PCI as the new Temp PCI list that activates the sub-district again; Wherein, the adjacent area of newly activating the sub-district comprises the direct adjacent area of new activation sub-district and adjacent area indirectly at least.Obtaining the PCI that the adjacent area of new activation sub-district is using can realize through following method: the new activation sub-district of treating in the planning zone powers on; Newly activate the neighboring BS information of sub-district through descending detector acquisition; Descending detector reads the PCI of the adjacent area that can detect signal through searching neighboring area signal, and obtains the NRT table of these adjacent areas; The PCI that comprises the adjacent area use of this adjacent area in this NRT table; The adjacent area that descending detector can detect signal can be the direct adjacent area (adjacent area, 1 rank) of newly activating the sub-district, also can be indirect adjacent area (adjacent area, 2 rank), or even high-order adjacent area more.
The distribution method of the PCI that the embodiment of the invention provides is provided with Temp PCI list, when new sub-district is activated; The Temp PCI that distributes to this new activation sub-district can not produce conflict with other PCI that are in the operation state sub-district in the network perhaps to be obscured; This just makes and can utilize the ANR technology to obtain the PCI that use this adjacent area, new activation sub-district, after new activation sub-district powers on, is the new Temp PCI of cell allocation that activates from Temp PCI list at first; And the sign of whether using of representing this Temp PCI carried out relative set; The operation PCI that uses according to the adjacent area, new activation sub-district that obtains then distributes an operation PCI for the new sub-district of activating from operation PCI tabulation, release new activates the Temp PCI that use the sub-district; And the sign of whether using of representing this Temp PCI carried out relative set; Can not only guarantee making full use of of PCI resource like this, and can guarantee that the OAM system uses information through the present the whole network of inquiry, reduces the probability of PCI conflict greatly.
Referring to Fig. 3, the distribution method of the another kind of PCI that the embodiment of the invention provides comprises:
In the present embodiment, OAM can be the new cell selecting Temp PCI that activates according to the order among the Temp PCI list perhaps at random.
In the present embodiment, can be the new sub-district distribution operation PCI from operation PCI tabulation that activates by base station under OAM or the new activation sub-district.
The embodiment of the invention is fixing as Temp PCI list through the PCI that divides at least one separately; Interim use when the PCI among this list the new activation of conduct sub-district perhaps increases the sub-district newly; The PCI that uses when the PCI resource outside the list is the sub-district operation; Make new activation sub-district can utilize the ANR technology to obtain the operation PCI that use the adjacent area, reduce the probability of PCI conflict greatly.
Referring to Fig. 4, the embodiment of the invention provides the distribution method of another kind of PCI, comprising:
In the present embodiment, each is waited for a short time to plan and can comprise 15-25 base station in the zone.
In the present embodiment, referring to Fig. 5, the whole planning zone of treating is foursquare area; Whole area is divided into several treats the planning zone for a short time, like Area 1, Area 2; Area 3; ... each waits for a short time to plan that the new quantity that activates the sub-district should be set according to actual conditions in the zone, for example, 15-25 new activation sub-district is divided in one waits for a short time to plan in the zone.Dividing region can be confirmed by operator, also can consider the influence of correlative factor in the time of division, and for example, the influence of orographic factor can not stride across the professional different zone of test all standing etc.For a short time wait that according to each the new activation sub-district number of planning the zone becomes operation PCI group with all PCI resource division; For example; Because each zone for a short time to be planned comprises 15-25 the new sub-district of activating in the present embodiment, can be divided into all PCI resources 6 groups, promptly every group comprises 84 different PCI; Whole individual multiplexing these the 6 groups operation PCI in planning zone that treat for a short time of all N that wait to plan in the zone; For example Area 1 uses operation PCIcluster1, and Area 2 uses operation PCI cluster2, and Area 3 uses operation PCI cluster3 or the like.
In the present embodiment, the length of Temp PCI list and Temp PCI value can be planned regional dynamic mapping based on different waiting for a short time.Can, other that use different operation PCI groups with Area1 choose the Temp PCI list of at least one PCI from waiting to plan the operation PCI group in zone as Area1.When choosing Temp PCI list, also can realize according to the same method of this step for other zones for a short time to be planned.
When new activation sub-district is arranged among the Area1, carry out following steps:
In the present embodiment, the OAM system can be the new cell selecting Temp PCI that activates according to the order among the Temp PCI list perhaps at random.
In the present embodiment, the adjacent area of newly activating the sub-district comprises the direct adjacent area and indirect adjacent area of new activation sub-district at least.
In the present embodiment; The new sub-district of activating is after obtaining correct PCI information; Give the OAM system information reporting; By the OAM system is that operation PCI is distributed in the new sub-district of activating from operation PCI tabulation, perhaps newly activates the operation PCI that use the base station passes through to be obtained under the sub-district adjacent area, new activation sub-district, is that operation PCI is selected in the new sub-district of activating from operation PCI tabulation.
In the present embodiment, if continue to have new activation sub-district among the follow-up Area1, then can according to the said same method of above-mentioned steps 44-step 46 be the new cell allocation operation PCI that activates.
The embodiment of the invention planning zone is divided into groups all PCI resources through zone whole to be planned being divided into several different treating for a short time, and multiplexing each the group operation PCI in zone is planned in different waiting for a short time.Through being the new cell selecting Temp PCI list that activates, guarantee that the Temp PCI that distributes can not clash with the PCI in the operation, make new activation sub-district can utilize the ANR technology to obtain the operation PCI that use the adjacent area, reduce the probability of PCI conflict greatly.
Referring to Fig. 6, the embodiment of the invention provides the distribution method of another kind of PCI, comprising:
Step 61 powers on to new activation sub-district, obtains the operation PCI that is using adjacent area, new activation sub-district.
In the present embodiment, can newly activate the operation PCI that use the adjacent area, sub-district through descending detector acquisition, the adjacent area of newly activating the sub-district comprises direct adjacent area and indirect adjacent area at least.
Step 62 is removed the operation PCI that is using the adjacent area that obtained from all PCI resources, from remaining PCI, select at least one PCI as the new Temp PCI list that activates the sub-district again.
Step 63, OAM system are the new Temp PCI of cell selecting that activates from Temp PCI list.
In the present embodiment, OAM can be the new PCI of cell selecting that activates according to the order among the Temp PCI list perhaps at random.This PCI can be used as the operation PCI of this new activation sub-district.Perhaps optional, can also carry out following steps:
Step 64 newly activates the sub-district and carries out the ANR detection, obtains the operation PCI that use the adjacent area.
Step 65, the operation PCI based on use the adjacent area that obtains be said new activation sub-district different operation PCI of operation PCI that uses with above-mentioned adjacent area of distribution from operation PCI group, and release new activates the Temp PCI that use the sub-district.
In the present embodiment; The new sub-district of activating is after obtaining the operation PCI that uses the adjacent area; Give the OAM system information reporting; By the OAM system is that operation PCI is selected in the new sub-district of activating from operation PCI tabulation, perhaps newly activates the PCI that use the base station passes through to be obtained under the sub-district adjacent area, new activation sub-district, is that operation PCI is selected in the new sub-district of activating from operation PCI tabulation.
In the embodiment of the invention, Temp PCI list is to certain new activation sub-district, promptly when a new activation sub-district powers on, all will obtain a new Temp PCI list, promptly runs PCI according to the method for this enforcement and distributes.
The embodiment of the invention powers on through the said new activation sub-district of treating in the planning zone; Through the already used operation in adjacent area, the said new activation sub-district of descending detector acquisition PCI information; From all PCI resources, remove the already used operation in the adjacent area that is obtained PCI; From remaining PCI, select one section Temp PCI list again, can not clash, make new activation sub-district can utilize the ANR technology to obtain the operation PCI that use the adjacent area with the PCI in the operation with the Temp PCI that guarantees to distribute as said new activation sub-district; Reduce the probability of PCI conflict greatly, can reduce the probability of PCI conflict greatly.
Referring to Fig. 7, the distribution system of a kind of PCI that the embodiment of the invention provides comprises:
Preferably, the distribution system that provides of the embodiment of the invention also comprises:
Further, tabulation setting device 74 also is used for after being the interim PCI of said new activation cell allocation, representes that the sign of whether using of this interim PCI is set to first sign; Also be used for after runing PCI, represent that the sign of whether using of this interim PCI is set to second sign different with first sign, and discharge the interim PCI resource that use said new activation sub-district for said new activation cell allocation; Wherein, The concrete realization that first sign and second identifies can be respectively True and False, and perhaps 1 and 0, perhaps other form of expression; As long as make the OAM system use information, understand the new Temp PCI that the sub-district can be used that activates through the present the whole network of inquiry.
Wherein, Interim PCI distributor can be arranged in OAM; Specifically can be in NMS NMS (Network Management System) or Element management system EMS (Element ManagementSystem); Checkout gear is arranged in new activation sub-district, and operation PCI distributor can be arranged in OAM or base station.
Need to prove; NMS mainly accomplishes NML NML (NetworkManagement Layer) function in the Telecommunication Management Network (Telecommunication Manager Network) that the ITU of International Telecommunications Union proposes, and the operational administrative function of network-oriented is provided.EMS mainly accomplishes NE management layer EML (the Element Management Layer) function among the ITUTMN, and promptly finished surface is to the operation of equipment maintenance function.Interface between NMS and the EMS is called northbound interface Itf-N (Interface-N).
In the embodiment of the invention under the related new activation sub-district interface between base station and the OAM system can for this base station directly and the interface between the NMS, also can pass through EMS for this base station, utilize the interface between northbound interface and the NMS.
The distribution system of the PCI that the embodiment of the invention provides; Through interim PCI distributor 71 is the new interim PCI of cell allocation that activates; And by tabulation interim PCI that unit 74 guarantees to distribute to new activation sub-district is set and can produce conflict or obscure with other PCI that are in the operation state sub-district in the network; The operation PCI that use the adjacent area that can utilize the ANR detection technique to obtain new activation sub-district; The operation PCI that uses according to the adjacent area that is obtained by checkout gear 72 then is that operation PCI is distributed in the new sub-district of activating from operation PCI tabulation by operation PCI distributor 73, can reduce the probability of PCI conflict greatly.
The embodiment of the invention also provides a kind of interim PCI list structure, comprising: whether interim PCI and this interim PCI of expression are using sign, and its structure can be struct Temp PCI{PCI, isUsedFlag}.When the PCI value is assigned with, represent whether this interim PCI is using sign to be set to first sign; When after the PCI value is not assigned with or distributes, being released again, represent that the sign of whether using of this interim PCI is set to second sign different with first sign.
The interim PCI list structure that provides according to the embodiment of the invention; Be the new interim PCI of cell allocation that activates; And identify the user mode of interim PCI; This just can start ANR and detect the operation PCI that obtains the adjacent area use on every side of this new activation sub-district, can guarantee the effective of ANR detection technique, further reduces the probability of PCI conflict.
Need to prove that the form that the method in the embodiment of the invention can software function module realizes, and this software function module can be stored in also in the computer read/write memory medium as production marketing independently or when using.The above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
Each functional unit in the embodiment of the invention can be integrated in the processing module, also can be that the independent physics in each unit exists, and also can be integrated in the module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, also can adopt the form of software function module to realize.If said integrated module realizes with the form of software function module and during as independently production marketing or use, also can be stored in the computer read/write memory medium.The above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
More than distribution method and the distribution system of the Physical Cell Identifier PCI that the embodiment of the invention provided carried out detailed introduction, the explanation of embodiment just is used for helping to understand method of the present invention and thought thereof; Any technical staff who is familiar with the present technique field can expect changing or replacement in the technical scope that the present invention discloses easily, all should be encompassed within protection scope of the present invention.
Claims (5)
1. the distribution method of a Physical Cell Identifier PCI is characterized in that, comprising:
The one PCI tabulation is set, and said PCI tabulation comprises interim PCI and the sign that is used to indicate this interim PCI whether using;
Be the interim PCI of new activation cell allocation from PCI tabulation, and the sign that is used to indicate said interim PCI whether using is set to first sign;
Automatic Neighboring Relation ANR detection is carried out in said new activation sub-district, obtains the operation PCI of the adjacent area use of said new activation sub-district, and said adjacent area comprises the direct adjacent area of direct adjacent area and direct adjacent area;
For from the 2nd PCI tabulation, distributing the different PCI of operation PCI that uses with said adjacent area in said new activation sub-district; Tabulation comprises different PCI with the 2nd PCI in said PCI tabulation; And the sign that is used to indicate said interim PCI whether using is set to second sign different with said first sign, and discharges the interim PCI that use said new activation sub-district.
2. distribution method according to claim 1 is characterized in that, the said method that said PCI tabulation is set comprises:
From all PCI, select at least one PCI to tabulate as a said PCI, said the 2nd PCI tabulation comprises the PCI the PCI that comprises except that said PCI tabulation among all PCI; Perhaps,
Zone to be planned is divided into the individual planning zone of treating for a short time of N; Be divided into M operation PCI tabulation to all PCI; For a short time wait under the said new activation sub-district to plan that said the 2nd PCI tabulation of using in the zone is one of said M operation PCI tabulation, said PCI tabulation comprises at least one PCI the PCI that comprises except that said the 2nd PCI tabulation among all PCI; Perhaps,
From all PCI, remove the PCI that use adjacent area, said new activation sub-district; And from remaining PCI, select at least one PCI to tabulate as a said PCI; Said the 2nd PCI tabulation comprises the PCI the PCI that comprises except that PCI tabulation among all PCI, and adjacent area, said new activation sub-district comprises the direct adjacent area of said new activation sub-district and the direct adjacent area of direct adjacent area.
3. distribution method according to claim 1 is characterized in that, said is that said new activation cell allocation operation PCI comprises from the 2nd PCI tabulation:
Operation management and safeguard that the OAM system is said new activation cell allocation operation PCI from the 2nd PCI tabulation; Perhaps,
The base station is said new activation cell allocation operation PCI from the 2nd PCI tabulation under the said new activation sub-district.
4. the distribution system of a Physical Cell Identifier PCI is characterized in that, comprising:
The tabulation setting device is used to be provided with PCI tabulation, and said PCI tabulation comprises interim PCI and the sign that is used to indicate this interim PCI whether using;
Interim PCI distributor is used for activating the interim PCI of cell allocation from PCI tabulation for new, and representes that the sign whether this interim PCI is using is set to first sign;
Checkout gear is used to carry out Automatic Neighboring Relation ANR and detects, and obtains the operation PCI of the adjacent area use of said new activation sub-district, and said adjacent area comprises the direct adjacent area of direct adjacent area and direct adjacent area;
Operation PCI distributor; Be used to said new activation sub-district and from the 2nd PCI tabulation, distribute the different PCI of operation PCI of the adjacent area use of obtaining with said checkout gear; The said PCI tabulation PCI that tabulation comprises with the 2nd PCI is different; And the sign that is used to indicate said interim PCI whether using is set to second sign different with said first sign, and discharges said interim PCI.
5. distribution system as claimed in claim 4 is characterized in that,
Said tabulation setting device is further used for from all PCI, selecting at least one PCI to tabulate as a said PCI; Perhaps,
Said tabulation setting device; Be further used for zone to be planned is divided into the individual planning zone of treating for a short time of N; Be divided into M operation PCI tabulation to all operation PCI; For a short time wait under the said new activation sub-district to plan that said the 2nd PCI tabulation of using in the zone is one of said M operation PCI tabulation, said PCI tabulation comprises at least one PCI the PCI that comprises except that said the 2nd PCI tabulation among all PCI; Perhaps,
Said tabulation setting device; Be further used for from all operation PCI, removing the operation PCI that use adjacent area, said new activation sub-district; And from remaining operation PCI, select at least one PCI to tabulate as a said PCI, adjacent area, said new activation sub-district comprises the direct adjacent area of said new activation sub-district and the direct adjacent area of direct adjacent area.
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| CN2009100003403A CN101772097B (en) | 2009-01-06 | 2009-01-06 | Method and system for allocating physical cell identifiers |
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| CN2009100003403A CN101772097B (en) | 2009-01-06 | 2009-01-06 | Method and system for allocating physical cell identifiers |
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| US8831608B2 (en) | 2010-10-25 | 2014-09-09 | Acer Incorporated | Apparatuses, systems, and methods for inbound handover enhancement |
| CN102318390B (en) * | 2011-05-27 | 2013-12-18 | 华为技术有限公司 | Parameter configuration method and operation administration and maintenance server |
| WO2012167433A1 (en) * | 2011-06-09 | 2012-12-13 | Empire Technology Development Llc | Method for improving the success rate of reception of control channels in an lte system |
| CN102958077B (en) * | 2011-08-31 | 2015-05-13 | 普天信息技术研究院有限公司 | Maintaining method for neighbor relation table of same system |
| CN102438247B (en) * | 2011-11-03 | 2018-02-13 | 中兴通讯股份有限公司 | Physical Cell Identifier distributes and acquisition methods, base station and user equipment |
| CN103152743B (en) * | 2011-12-06 | 2017-12-22 | 中兴通讯股份有限公司 | A kind of method and device of automatic detection and distribution physical-layer cell identifier |
| CN102595416B (en) * | 2012-02-16 | 2015-04-08 | 北京邮电大学 | PCI (Physical Cell Identity) self-adaptive distribution method in cellular communication system |
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| CN1941998A (en) * | 2005-09-29 | 2007-04-04 | 北京三星通信技术研究有限公司 | Access for controlling user terminal equipment in LTE system |
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