CN103200582B - A kind of method and device for disposing Physical Cell Identifier - Google Patents
A kind of method and device for disposing Physical Cell Identifier Download PDFInfo
- Publication number
- CN103200582B CN103200582B CN201310077702.5A CN201310077702A CN103200582B CN 103200582 B CN103200582 B CN 103200582B CN 201310077702 A CN201310077702 A CN 201310077702A CN 103200582 B CN103200582 B CN 103200582B
- Authority
- CN
- China
- Prior art keywords
- cell
- pci
- positional relationship
- lothrus apterus
- confusion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of method and devices for disposing Physical Cell Identifier, it include: according to cell relations attribute, according to Lothrus apterus strategy and/or without aliasing strategy, generate cell relations table, comprising one or more cells pair in cell relations table, cell to comprising cell cannot use same physical cell ID PCI;PCI is affixed one's name to according to cell relations exterior portion, the identical PCI of cell deployment for the PCI that the cell deployment of identical PCI cannot be used different, to be able to use identical PCI;Lothrus apterus strategy refers to that, for cell relations attribute, the cell that minizone can be made to clash when determining using identical PCI cannot use identical PCI;No aliasing strategy refers to that, for cell relations attribute, the cell that minizone can be made mutually to obscure when determining using identical PCI cannot use identical PCI.The present invention improves the multiplexing of PCI resource, realizes the Optimization deployment result to cell PCI resource.
Description
Technical field
The present invention relates to wireless communication field LTE (Long Term Evolution, long term evolution) SON (Self-
Configuring and Self-optimizing Network, self-configuring liberalization network) technical field more particularly to one
The method and device of kind deployment Physical Cell Identifier.
Background technique
As shown in Figure 1, wireless communication LTE (Long Term Evolution, long term evolution) in or wireless isomer network
LTE in, MME (Mobility Management Entity, mobile management entity) passes through S1 connection base station, HeNB (Home
ENodeB, Home eNodeB) can it is direct-connected or via HeNB GW (Home eNodeB Gateway, femto gateway) connect MME,
HeNB introduces CSG (Closed Subscriber Group, closed user group), particular UE (User Equipment, Yong Hushe
It is standby) pass through CSG admission control into corresponding HeNB.PCI (Physical Cell Id, Physical Cell Identifier) is wireless communication
Downlink signal scrambles processing parameter in LTE or in the LTE of wireless isomer network, and the effect of PCI is: distinguishing signal for UE
Respective cell, and by the interference randomization of different community;When UE carries out cell reselection or switching, it to be used for subsidiary and report.
Substantially there are two types of strategies for the deployment of PCI at present, first is that there is no the strategies of PCI resource multiplexing;Two there are PCI resources
The strategy of multiplexing.
The first mainly disposes cell according to the idling-resource list of PCI, i.e., different cell deployments is different
PCI, and the PCI disposed is put into and is occupied in PCI list, when list is empty by idle PCI, cell deployment PCI failure,
The strategy is simple, but PCI resource cannot be multiplexed, and in the PCI deployment of hundreds of cells, generates very big waste to PCI resource.
Second mainly the current LTE SON of NTT deployment strategy, be according to PCI idling-resource list to cell into
Row deployment, but is not all the different PCI of different cell deployments, can dispose identical PCI according to the certain cells of strategy, but portion
It is determined during administration using matrix multiplication scheduling algorithm and disposes matrix, the efficiency of resource storage and resource deployment is (O (N^
2)), which can save PCI resource, PCI resource reusable, but in the PCI of hundreds of cells deployment, storage efficiency and
Deployment whole efficiency is very low, and generates very big waste to storage resource and cpu resource.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method and devices for disposing Physical Cell Identifier, can be in reality
On the basis of existing PCI resource multiplexing, the deployment efficiency of PCI is improved.
In order to solve the above technical problems, a kind of method of deployment Physical Cell Identifier of the invention, comprising:
Cell relations table is generated according to Lothrus apterus strategy and/or without aliasing strategy according to cell relations attribute, it is described small
Comprising one or more cells pair in cell relation table, the cell to comprising cell cannot use same physical cell ID
PCI;
PCI is affixed one's name to according to cell relations exterior portion, for the PCI that the cell deployment of identical PCI cannot be used different, to be able to use
The identical PCI of the cell deployment of identical PCI;
The Lothrus apterus strategy refers to, for cell relations attribute, minizone can be made to rush when determining using identical PCI
Prominent cell cannot use identical PCI;The no aliasing strategy refers to, for cell relations attribute, determines using identical
The cell that minizone can be made mutually to obscure when PCI cannot use identical PCI.
Further, the cell relations table is comprising Lothrus apterus table, without confusion table and Lothrus apterus without confusion table, in which:
The Lothrus apterus table to be generated according to the Lothrus apterus strategy, the cell in the Lothrus apterus table to comprising it is small
Area can clash when using identical PCI;
The no confusion table to be generated according to the no aliasing strategy, the cell in the no confusion table to comprising it is small
Area can obscure when using identical PCI;
The Lothrus apterus is without confusion table for the Lothrus apterus table and without the union of confusion table.
Further, the cell relations attribute includes the frequency relation of cell;
It is described to generate cell relations table, root according to Lothrus apterus strategy and/or without aliasing strategy according to cell relations attribute
PCI is affixed one's name to according to cell relations exterior portion, comprising: is determined the identical cell of working frequency, cannot be made according to the identical cell of working frequency
With identical PCI, generate frequency relation Lothrus apterus table, the cell in the frequency relation Lothrus apterus table to comprising cell work
Working frequency is identical, affixes one's name to PCI according to frequency relation Lothrus apterus exterior portion.
Further, the cell relations attribute includes the frequency relation of cell;
It is described to generate cell relations table, root according to Lothrus apterus strategy and/or without aliasing strategy according to cell relations attribute
Affix one's name to PCI according to cell relations exterior portion, comprising: determine identical with same cell operation frequency cell, according to same cell operation
The identical cell of frequency cannot use identical PCI, generate frequency relation without confusion table, the frequency relation is without in confusion table
Cell to comprising cell it is identical as same cell operation frequency, according to frequency relation without confusion table dispose PCI.
Further, the cell relations attribute includes the frequency relation of cell;
It is described to generate cell relations table, root according to Lothrus apterus strategy and/or without aliasing strategy according to cell relations attribute
PCI is affixed one's name to according to cell relations exterior portion, comprising:
It determines the identical cell of working frequency, identical PCI cannot be used according to the identical cell of working frequency, generate frequency
Rate relationship Lothrus apterus table, cell in the frequency relation Lothrus apterus table to comprising cell working frequency it is identical;Also,
Determine cell identical with same cell operation frequency, it cannot according to cell identical with same cell operation frequency
Using identical PCI, generate frequency relation without confusion table, the frequency relation without the cell in confusion table to comprising cell with
Same cell operation frequency is identical;
The union of the frequency relation Lothrus apterus table and frequency relation without confusion table is taken, obtains frequency relation Lothrus apterus without mixed
Confuse table, disposes PCI without confusion table according to frequency relation Lothrus apterus.
Further, the cell relations attribute includes the positional relationship of cell;
It is described to generate cell relations table, root according to Lothrus apterus strategy and/or without aliasing strategy according to cell relations attribute
PCI is affixed one's name to according to cell relations exterior portion, comprising: determines neighboring community, identical PCI cannot be used according to neighboring community, generate position
Relationship Lothrus apterus table, cell in the positional relationship Lothrus apterus table to comprising subdistrict position it is adjacent, according to positional relationship without
Collision table disposes PCI.
Further, the cell relations attribute includes the positional relationship of cell;
It is described to generate cell relations table, root according to Lothrus apterus strategy and/or without aliasing strategy according to cell relations attribute
PCI is affixed one's name to according to cell relations exterior portion, comprising: determines the cell adjacent with same cell, not according to the cell adjacent with same cell
Identical PCI can be used, generate positional relationship without confusion table, the positional relationship without the cell in confusion table to comprising cell
It is adjacent with same cell, PCI is disposed without confusion table according to positional relationship.
Further, the cell relations attribute includes the positional relationship of cell;It is described according to cell relations attribute, according to
Lothrus apterus strategy and/or without aliasing strategy, generates cell relations table, affixes one's name to PCI according to cell relations exterior portion, comprising:
It determines neighboring community, identical PCI cannot be used according to neighboring community, generate positional relationship Lothrus apterus table, it is described
Cell in positional relationship Lothrus apterus table to comprising subdistrict position it is adjacent;
It determines the cell adjacent with same cell, identical PCI cannot be used according to the cell adjacent with same cell, it is raw
At positional relationship without confusion table, the positional relationship without the cell in confusion table to comprising cell it is adjacent with same cell;
The union of the positional relationship Lothrus apterus table and positional relationship without confusion table is taken, obtains positional relationship Lothrus apterus without mixed
Confuse table, disposes PCI without confusion table according to positional relationship Lothrus apterus.
Further, the cell relations attribute includes the diplomatic positional relationship of cell;It is described according to cell relations
Attribute generates cell relations table according to Lothrus apterus strategy and/or without aliasing strategy, affixes one's name to PCI according to cell relations exterior portion, comprising:
It determines the cell adjacent with same cell, identical PCI cannot be used according to the cell adjacent with same cell, it is raw
At positional relationship without confusion table, the positional relationship without the cell in confusion table to comprising cell it is adjacent with same cell;
The positional relationship is modified without confusion table according to migration efficiency, is being transported from the positional relationship without removal in confusion table
It is able to use the cell pair of the cell composition of identical PCI under battalion's strategy, obtains diplomatic positional relationship without confusion table, according to institute
Diplomatic positional relationship is stated without confusion table PCI allocation.
Further, the positional relationship is modified without confusion table, from the positional relationship without confusion table according to migration efficiency
It is middle to remove the cell pair that the cell composition of identical PCI is able to use under migration efficiency, comprising:
It is true with the cell of gravity treatment according to forbidding switching when the migration efficiency is that switching and reselection strategies are forbidden in minizone
Determine neighboring community pair, according to the neighboring community to determine first kind cell, the first kind cell include and neighboring community pair
In the adjacent cell of first community and the cell adjacent with the second community of neighboring community's centering, judge in first kind cell
Whether the cell adjacent with first community be adjacent with second community, if non-conterminous, from the positional relationship without in confusion table
Remove the cell with the non-conterminous cell of second community and second community composition adjacent with first community in the first kind cell
It is right;Also, judge whether the cell adjacent with second community in the first kind cell and first community are adjacent, if not phase
Neighbour, then from the positional relationship without removing the not phase with first community adjacent with second community in the first kind cell in confusion table
The cell pair of adjacent cell and first community composition.
Further, the cell relations attribute includes the diplomatic positional relationship of cell;It is described according to cell relations
Attribute generates cell relations table according to Lothrus apterus strategy and/or without aliasing strategy, affixes one's name to PCI according to cell relations exterior portion, comprising:
It determines neighboring community, identical PCI cannot be used according to neighboring community, generate positional relationship Lothrus apterus table, it is described
Cell in positional relationship Lothrus apterus table to comprising subdistrict position it is adjacent;
It determines the cell adjacent with same cell, identical PCI cannot be used according to the cell adjacent with same cell, it is raw
At positional relationship without confusion table, the positional relationship without the cell in confusion table to comprising cell it is adjacent with same cell,
Modify the positional relationship without confusion table according to migration efficiency, from the positional relationship without removal in confusion table under migration efficiency
It is able to use the cell pair of the cell composition of identical PCI, obtains diplomatic positional relationship without confusion table;
The union of the positional relationship Lothrus apterus table and diplomatic positional relationship without confusion table is taken, diplomatic position is obtained
Relationship Lothrus apterus is set without confusion table, PCI is disposed without confusion table according to diplomatic positional relationship Lothrus apterus.
Further, the cell relations attribute includes the frequency location relationship of cell;It is described according to cell relations attribute,
According to Lothrus apterus strategy and/or without aliasing strategy, cell relations table is generated, PCI is affixed one's name to according to cell relations exterior portion, comprising:
It determines the identical cell of working frequency, identical PCI cannot be used according to the identical cell of working frequency, generate frequency
Rate relationship Lothrus apterus table, cell in the frequency relation Lothrus apterus table to comprising cell working frequency it is identical;Also, really
Fixed cell identical with same cell operation frequency, cannot use identical according to cell identical with same cell operation frequency
PCI, generates frequency relation without confusion table, the frequency relation without the cell in confusion table to comprising cell with same cell
Working frequency is identical;The union of the frequency relation Lothrus apterus table and frequency relation without confusion table is taken, obtains frequency relation without punching
It dashes forward without confusion table;
It determines neighboring community, identical PCI cannot be used according to neighboring community, generate positional relationship Lothrus apterus table, it is described
Cell in positional relationship Lothrus apterus table to comprising subdistrict position it is adjacent;Determine the cell adjacent with same cell, according to
The adjacent cell of same cell cannot use identical PCI, generate positional relationship without confusion table, the positional relationship is without confusion table
In cell to comprising cell it is adjacent with same cell;Take the positional relationship Lothrus apterus table and positional relationship without confusion table
Union, obtain positional relationship Lothrus apterus without confusion table;
Intersection of the frequency relation Lothrus apterus without confusion table and positional relationship Lothrus apterus without confusion table is taken, frequency position is obtained
Relationship Lothrus apterus is set without confusion table, PCI is disposed without confusion table according to the frequency location relationship Lothrus apterus.
Further, the cell relations attribute includes the diplomatic frequency location relationship of cell;It is described according to cell
Attribute of a relation generates cell relations table according to Lothrus apterus strategy and/or without aliasing strategy, affixes one's name to PCI according to cell relations exterior portion,
Include:
It determines the identical cell of working frequency, identical PCI cannot be used according to the identical cell of working frequency, generate frequency
Rate relationship Lothrus apterus table, cell in the frequency relation Lothrus apterus table to comprising cell operation frequency it is identical;Also, it determines
Cell identical with same cell operation frequency cannot use identical according to cell identical with same cell operation frequency
PCI, generates frequency relation without confusion table, the frequency relation without the cell in confusion table to comprising cell with same cell
Working frequency is identical;The union of the frequency relation Lothrus apterus table and frequency relation without confusion table is taken, obtains frequency relation without punching
It dashes forward without confusion table;
It determines neighboring community, identical PCI cannot be used according to neighboring community, generate positional relationship Lothrus apterus table, it is described
Cell in positional relationship Lothrus apterus table to comprising subdistrict position it is adjacent;Determine the cell adjacent with same cell, according to
The adjacent cell of same cell cannot use identical PCI, generate positional relationship without confusion table, the positional relationship is without confusion table
In cell to comprising cell it is adjacent with same cell, the positional relationship is modified without confusion table according to migration efficiency, from
The positional relationship is able to use the cell pair of the cell composition of identical PCI without removal in confusion table under migration efficiency, obtains
Diplomatic positional relationship is without confusion table;Take the positional relationship Lothrus apterus table and diplomatic positional relationship without confusion table and
Collection, obtains diplomatic positional relationship Lothrus apterus without confusion table;
It takes the frequency relation Lothrus apterus without confusion table and diplomatic intersection of the positional relationship Lothrus apterus without confusion table, obtains
To diplomatic frequency location relationship Lothrus apterus without confusion table, according to diplomatic frequency location relationship Lothrus apterus without obscuring exterior portion
Affix one's name to PCI.
Further, the no confusion table is to be matched to obtain to two Lothrus apterus tables, to two no punchings
Prominent table carry out matching include: by each cell in the first Lothrus apterus table to respectively with each cell pair in the second Lothrus apterus table
It is matched, matching rule is to the cell in (i, k) and the second Lothrus apterus table in the cell in the first Lothrus apterus table to (k, j)
When matching, cell is obtained to (i, j);
By the whole cells matched to the first Lothrus apterus table with the second Lothrus apterus table to as no confusion table
Cell pair, obtain the no confusion table.
Further, a kind of device for disposing Physical Cell Identifier, comprising: relation table generation unit and Physical Cell Identifier
PCI deployment unit, in which:
The relation table generation unit, for obscuring plan according to Lothrus apterus strategy and/or nothing according to cell relations attribute
Slightly, generate cell relations table, comprising one or more cells pair in the cell relations table, the cell to comprising cell not
Same physical cell ID PCI can be used;
The PCI deployment unit, for affixing one's name to PCI according to cell relations exterior portion, for the cell deployment that cannot use identical PCI
Different PCI, the identical PCI of cell deployment to be able to use identical PCI;
The Lothrus apterus strategy refers to, for cell relations attribute, minizone can be made to rush when determining using identical PCI
Prominent cell cannot use identical PCI;The no aliasing strategy refers to, for cell relations attribute, determines using identical
The cell that minizone can be made mutually to obscure when PCI cannot use identical PCI.
Further, the cell relations table is comprising Lothrus apterus table, without confusion table and Lothrus apterus without confusion table, in which:
The Lothrus apterus table to be generated according to the Lothrus apterus strategy, the cell in the Lothrus apterus table to comprising it is small
Area can clash when using identical PCI;
The no confusion table to be generated according to the no aliasing strategy, the cell in the no confusion table to comprising it is small
Area can obscure when using identical PCI;
The Lothrus apterus is without confusion table for the Lothrus apterus table and without the union of confusion table.
Further, the cell relations attribute includes the frequency relation of cell;
The relation table generation unit is specifically used for determining the identical cell of working frequency, identical according to working frequency
Cell cannot use identical PCI, generate frequency relation Lothrus apterus table, the cell in the frequency relation Lothrus apterus table to comprising
Cell working frequency it is identical;
The PCI deployment unit is specifically used for affixing one's name to PCI according to frequency relation Lothrus apterus exterior portion.
Further, the cell relations attribute includes the frequency relation of cell;
The relation table generation unit is specifically used for determining identical with same cell operation frequency cell, according to it is same
The identical cell of one cell operation frequency cannot use identical PCI, generate frequency relation without confusion table, the frequency relation without
Cell in confusion table to comprising cell it is identical as same cell operation frequency;
The PCI deployment unit is specifically used for disposing PCI without confusion table according to frequency relation.
Further, the cell relations attribute includes the frequency relation of cell;
The relation table generation unit is specifically used for determining the identical cell of working frequency, identical according to working frequency
Cell cannot use identical PCI, generate frequency relation Lothrus apterus table, the cell in the frequency relation Lothrus apterus table to comprising
Cell working frequency it is identical;Also, determine identical with same cell operation frequency cell, according to same cell operation
The identical cell of frequency cannot use identical PCI, generate frequency relation without confusion table, the frequency relation is without in confusion table
Cell to comprising cell it is identical as same cell operation frequency;Take the frequency relation Lothrus apterus table and frequency relation without obscuring
The union of table obtains frequency relation Lothrus apterus without confusion table;
The PCI deployment unit is specifically used for disposing PCI without confusion table according to frequency relation Lothrus apterus.
Further, the cell relations attribute includes the positional relationship of cell;
The relation table generation unit is specifically used for determining neighboring community, cannot be used according to neighboring community identical
PCI generates positional relationship Lothrus apterus table, the cell in the positional relationship Lothrus apterus table to comprising subdistrict position it is adjacent;
The PCI deployment unit is specifically used for affixing one's name to PCI according to positional relationship Lothrus apterus exterior portion.
Further, the cell relations attribute includes the positional relationship of cell;
The relation table generation unit, specifically for determining the cell adjacent with same cell, according to same cell phase
Adjacent cell cannot use identical PCI, generate positional relationship without confusion table, the positional relationship is without the cell pair in confusion table
The cell for including is adjacent with same cell;
The PCI deployment unit is specifically used for disposing PCI without confusion table according to positional relationship.
Further, the cell relations attribute includes the positional relationship of cell;
The relation table generation unit is specifically used for determining neighboring community, cannot be used according to neighboring community identical
PCI generates positional relationship Lothrus apterus table, the cell in the positional relationship Lothrus apterus table to comprising subdistrict position it is adjacent;Really
The fixed cell adjacent with same cell cannot use identical PCI according to the cell adjacent with same cell, generate positional relationship
Without confusion table, the positional relationship without the cell in confusion table to comprising cell it is adjacent with same cell;Take the position
The union of relationship Lothrus apterus table and positional relationship without confusion table obtains positional relationship Lothrus apterus without confusion table;
The PCI deployment unit is specifically used for disposing PCI without confusion table according to positional relationship Lothrus apterus.
Further, the cell relations attribute includes the diplomatic positional relationship of cell;
The relation table generation unit, specifically for determining the cell adjacent with same cell, according to same cell phase
Adjacent cell cannot use identical PCI, generate positional relationship without confusion table, the positional relationship is without the cell pair in confusion table
The cell for including is adjacent with same cell;The positional relationship is modified without confusion table according to migration efficiency, is closed from the position
It is the cell pair for being able to use the cell composition of identical PCI under migration efficiency without removal in confusion table, obtains diplomatic position
Relationship is set without confusion table;
The PCI deployment unit is specifically used for according to the diplomatic positional relationship without confusion table PCI allocation.
Further, the relation table generation unit, specifically for the migration efficiency be minizone forbid switching and
When reselection strategies, according to forbidding the cell of switching and gravity treatment to determine neighboring community pair, according to the neighboring community to determining first
Class cell, the first kind cell include the cell adjacent with the first community of neighboring community's centering and with neighboring community's centering
The adjacent cell of second community judges whether the cell adjacent with first community in first kind cell and second community are adjacent,
It is adjacent with first community with second in the first kind cell without being removed in confusion table from the positional relationship if non-conterminous
The cell pair of the non-conterminous cell of cell and second community composition;Also, judge in the first kind cell and second community
Whether adjacent cell is adjacent with first community, if non-conterminous, from the positional relationship without removing described in confusion table
The cell pair with the non-conterminous cell of first community and first community composition adjacent with second community in a kind of cell.
Further, the cell relations attribute includes the diplomatic positional relationship of cell;
The relation table generation unit is specifically used for determining neighboring community, cannot be used according to neighboring community identical
PCI generates positional relationship Lothrus apterus table, the cell in the positional relationship Lothrus apterus table to comprising subdistrict position it is adjacent;Really
The fixed cell adjacent with same cell cannot use identical PCI according to the cell adjacent with same cell, generate positional relationship
Without confusion table, the positional relationship without the cell in confusion table to comprising cell it is adjacent with same cell, according to operation plan
The positional relationship is slightly modified without confusion table, is able to use phase under migration efficiency from the positional relationship without removal in confusion table
With the cell pair that the cell of PCI forms, diplomatic positional relationship is obtained without confusion table;Take the positional relationship Lothrus apterus table and
Union of the diplomatic positional relationship without confusion table obtains diplomatic positional relationship Lothrus apterus without confusion table;
The PCI deployment unit is specifically used for disposing PCI without confusion table according to diplomatic positional relationship Lothrus apterus.
Further, the cell relations attribute includes the frequency location relationship of cell;
The relation table generation unit is specifically used for determining the identical cell of working frequency, identical according to working frequency
Cell cannot use identical PCI, generate frequency relation Lothrus apterus table, the cell in the frequency relation Lothrus apterus table to comprising
Cell working frequency it is identical;Also, determine identical with same cell operation frequency cell, according to same cell operation
The identical cell of frequency cannot use identical PCI, generate frequency relation without confusion table, the frequency relation is without in confusion table
Cell to comprising cell it is identical as same cell operation frequency;Take the frequency relation Lothrus apterus table and frequency relation without mixed
Confuse the union of table, obtains frequency relation Lothrus apterus without confusion table;It determines neighboring community, cannot be used according to neighboring community identical
PCI generates positional relationship Lothrus apterus table, the cell in the positional relationship Lothrus apterus table to comprising subdistrict position it is adjacent;Really
The fixed cell adjacent with same cell cannot use identical PCI according to the cell adjacent with same cell, generate positional relationship
Without confusion table, the positional relationship without the cell in confusion table to comprising cell it is adjacent with same cell;Take the position
The union of relationship Lothrus apterus table and positional relationship without confusion table obtains positional relationship Lothrus apterus without confusion table;The frequency is taken to close
It is intersection of the Lothrus apterus without confusion table and positional relationship Lothrus apterus without confusion table, obtains frequency location relationship Lothrus apterus without obscuring
Table;
The PCI deployment unit is specifically used for disposing PCI without confusion table according to the frequency location relationship Lothrus apterus.
Further, the cell relations attribute includes the diplomatic frequency location relationship of cell;
The relation table generation unit is specifically used for determining the identical cell of working frequency, identical according to working frequency
Cell cannot use identical PCI, generate frequency relation Lothrus apterus table, the cell in the frequency relation Lothrus apterus table to comprising
Cell operation frequency it is identical;Also, determine identical with same cell operation frequency cell, according to same cell operation frequently
The identical cell of rate cannot use identical PCI, generate frequency relation without confusion table, the frequency relation is without small in confusion table
Area to comprising cell it is identical as same cell operation frequency;Take the frequency relation Lothrus apterus table and frequency relation without obscuring
The union of table obtains frequency relation Lothrus apterus without confusion table;It determines neighboring community, cannot be used according to neighboring community identical
PCI generates positional relationship Lothrus apterus table, the cell in the positional relationship Lothrus apterus table to comprising subdistrict position it is adjacent;Really
The fixed cell adjacent with same cell cannot use identical PCI according to the cell adjacent with same cell, generate positional relationship
Without confusion table, the positional relationship without the cell in confusion table to comprising cell it is adjacent with same cell, according to operation plan
The positional relationship is slightly modified without confusion table, is able to use phase under migration efficiency from the positional relationship without removal in confusion table
With the cell pair that the cell of PCI forms, diplomatic positional relationship is obtained without confusion table;Take the positional relationship Lothrus apterus table and
Union of the diplomatic positional relationship without confusion table obtains diplomatic positional relationship Lothrus apterus without confusion table;Take the frequency
Relationship Lothrus apterus obtains diplomatic frequency location without confusion table and diplomatic intersection of the positional relationship Lothrus apterus without confusion table
Relationship Lothrus apterus is without confusion table;
The PCI deployment unit is specifically used for being disposed according to diplomatic frequency location relationship Lothrus apterus without confusion table
PCI。
Further, the relation table generation unit, specifically for being matched to obtain institute to two Lothrus apterus tables
State no confusion table, to two Lothrus apterus tables carry out matching include: by each cell in the first Lothrus apterus table to respectively with
Each cell in second Lothrus apterus table to matching, matching rule be cell in the first Lothrus apterus table to (i, k) with
When cell in second Lothrus apterus table matches (k, j), cell is obtained to (i, j);It will be to the first Lothrus apterus table and second without punching
Whole cells that prominent table is matched obtain the no confusion table to the cell pair as no confusion table.
In conclusion considering have the frequency relation of influence, position pass to PCI deployment the present invention is based on linear model
It is dry that system, frequency location relationship, diplomatic positional relationship, diplomatic frequency location relationship and other LTE protocols influence cell
Relationship etc. carries out Lothrus apterus without operation of confusion between the relation on attributes or attribute disturbed, and storage and deployment to PCI resource are carried out linear
Storage and linear deployment, improve the multiplexing of PCI resource, realize the Optimization deployment result to cell PCI resource.
Detailed description of the invention
Fig. 1 is LTE network framework;
Fig. 2 is LTE SON structure;
Fig. 3 is the flow chart of the method for the deployment PCI of embodiment of the present invention;
Fig. 4 is the cell topology figure under frequency and positional relationship in present embodiment, including without tactful and diplomatic
Cell topology;
Fig. 5 is the Lothrus apterus aliasing free PCI deployment based on positional relationship in present embodiment;
Fig. 6 is the Lothrus apterus aliasing free PCI deployment based on diplomatic positional relationship in present embodiment;
Fig. 7 is the Lothrus apterus aliasing free PCI deployment based on frequency location relationship in present embodiment;
Fig. 8 is the Lothrus apterus aliasing free PCI deployment based on diplomatic frequency location relationship in present embodiment;
Fig. 9 is the architecture diagram of the device of the deployment PCI of present embodiment.
Specific embodiment
Present embodiment is applied to the PCI deployment under LTE SON network PCI deployment and heterogeneous network LTE SON scene.PCI
Deployment is realized by the SON node being distributed on base station and other network nodes, and referring to fig. 2, the implementation of SON node has collection
Chinese style, distribution and hybrid.Present embodiment realizes PCI automatic deployment based on SON in LTE, provides in LTE and is based on
SON establishes a kind of PCI resource reusable, and stores and dispose high-efficient PCI deployment strategy, and deployment strategy and process are based on
The linear PCI deployment model of logical operation, at the same PCI deployment strategy comprehensively considered frequency relation and positional relationship Lothrus apterus and
Without aliasing strategy, and expand to that all LTE protocols support dispose the Lothrus apterus of relevant attribute to PCI and without aliasing strategy,
And consider there is the cell of strategy scenarios without aliasing strategy under the premise of same attribute restricts, realize effective use PCI resource,
The High Efficiency PC I automatic deployment strategy of storage resource and cpu resource to improve PCI reusability, optimization PCI deployment, and is suitable for
The automatic deployment of LTE Physical Cell Identifier under LTE and heterogeneous network.
In the deployment of the LTE Physical Cell Identifier of LTE network and heterogeneous network that present embodiment is suitable for having PCI.For
For the sake of unifying and simplifying description, LTE network is unified in subsequent descriptions herein.
(1) PCI is affixed one's name to according to cell relations exterior portion in present embodiment, needs to determine that cell is closed based on tactful relational model
Be table, tactful relational model be linear model, below to the linear model LR (Property, seq, i, j, Policy) of use into
Row explanation.
The respective cell linear model LR (Property, seq, i, j, Policy) attribute of a relation, relation table sequence, cell sequence
Number, operation reserve, in which:
Property: indicating to influence the cell relations attribute of PCI deployment, be frequency FREQ such as Property [0],
Property [1] is that position LOC, Property [2] are frequency location FREQLOC, can also extend other correlations according to demand
Cell relations attribute Property [i] etc., other relevant cell relations attributes are depositing to PCI deployment of supporting of LTE protocol
In the cell relations attribute of influence, i.e., the attribute of a relation of interference is formed to cell.
Seq: indicating the table sequence of cell relations table, and such as the frequency relation of cell, 1 is first frequency relation table;For
The positional relationship of cell, 1 is first position relation table.
I, j: it indicates that there are the serial numbers of the cell of relation on attributes, when (i, j) corresponding relation on attributes value is 1, indicates (i, j)
Minizone cannot share same PCI, and (i, j) is put into cell relations table;Otherwise, (i, j) corresponding relation on attributes value is 0
When, indicate that the minizone (i, j) can share same PCI, (i, j) is not belonging to cell relations table, hereinafter true according to cell relations table
PCI is determined in the deployment of minizone.
Policy: indicating whether there is strategy, and the frequency relation of cell is indicated there is no strategy with NONE;The position of cell
It sets relationship and there is strategy, need to consider without strategy scenarios (being indicated with NONPOLICY) and have strategy scenarios (being indicated with POLICY).
(2) below to linear model LR (Property, seq, i, j, Policy) is based on, for different cell relations
Attribute determines that cell relations table is illustrated.Present embodiment considers that (frequency relation, has plan at positional relationship to cell relations attribute
What positional relationship slightly, frequency location relationship, diplomatic frequency location relationship and LTE protocol were supported disposes presence to PCI
Relationship between the attribute of a relation and attribute of influence) deployment of PCI is carried out to the influence that cell PCI is disposed, it is real to save PCI resource
Existing PCI Optimization deployment.
Cell relations table is comprising Lothrus apterus table, without confusion table and Lothrus apterus without confusion table, in which: Lothrus apterus table is according to nothing
Conflict Strategies are generated, the cell in Lothrus apterus table to comprising cell can be clashed when using identical PCI;Without confusion table
To be generated according to no aliasing strategy, the cell in no confusion table to comprising cell can obscure when using identical PCI;
Lothrus apterus is without confusion table for Lothrus apterus table and without the union of confusion table.
PCI deployment is based on Lothrus apterus and without aliasing strategy in present embodiment, below for different cell relations attributes,
Based on Lothrus apterus and without aliasing strategy, to how determining that cell relations table is illustrated.
The Lothrus apterus strategy refers to, for cell relations attribute, minizone can be made to rush when determining using identical PCI
Prominent cell cannot use identical PCI;The no aliasing strategy refers to, for cell relations attribute, determines using identical
The cell that minizone can be made mutually to obscure when PCI cannot use identical PCI.
(1) it is directed to the frequency relation of cell, using Lothrus apterus strategy generating frequency relation Lothrus apterus table, obscures plan using nothing
Frequency relation is slightly generated without confusion table;Frequency relation Lothrus apterus is generated without confusion table without aliasing strategy using Lothrus apterus.
1) generation of frequency relation Lothrus apterus table, the cell of identical working frequency, minizone cannot dispose identical PCI, frequency
Comprising one or more cells pair in rate relationship Lothrus apterus table, cell to comprising cell there is identical frequency.
2) generation of the frequency relation without confusion table, cell identical with the frequency of same cell cannot share same PCI,
Frequency relation without in confusion table comprising one or more cells pair, cell to comprising cell it is identical as the frequency of same cell.
3) generation of the frequency relation Lothrus apterus without confusion table takes frequency relation Lothrus apterus table and frequency relation without confusion table
Union generates the table.
(2) it is directed to the positional relationship of cell, using Lothrus apterus strategy generating positional relationship Lothrus apterus table, obscures plan using nothing
Positional relationship is slightly generated without confusion table;Positional relationship Lothrus apterus is generated without confusion table without aliasing strategy using Lothrus apterus.
1) generation of positional relationship Lothrus apterus table, cannot share same PCI between neighboring community, in positional relationship Lothrus apterus table
Comprising one or more cells pair, cell to comprising subdistrict position it is adjacent.
2) generation of the positional relationship without confusion table, the cell adjacent with same cell cannot share same PCI, positional relationship
Comprising one or more cells pair in no confusion table, cell to comprising cell it is adjacent with same cell.
3) generation of the positional relationship Lothrus apterus without confusion table takes positional relationship Lothrus apterus table and positional relationship without confusion table
Union generates the table.
(3) it is directed to the diplomatic positional relationship of cell, generates diplomatic positional relationship without mixed using no aliasing strategy
Confuse table;Diplomatic positional relationship Lothrus apterus is generated without confusion table without aliasing strategy using Lothrus apterus.
1) generation of the diplomatic positional relationship without confusion table, if there is strategy, Utilization strategies are to positional relationship without mixed
The table that confuses optimizes, and generates the table.
2) diplomatic generation of the positional relationship Lothrus apterus without confusion table takes positional relationship Lothrus apterus if there is strategy
The union of table and diplomatic positional relationship without confusion table, generates the table.
(4) it is directed to the frequency location relationship of cell, generates frequency location relationship Lothrus apterus without confusion table.
1) generation of the frequency location relationship Lothrus apterus without confusion table takes frequency relation Lothrus apterus without confusion table and positional relationship
Intersection of the Lothrus apterus without confusion table, generates the table.
(5) it is directed to the diplomatic frequency location relationship of cell, generates diplomatic frequency location relationship Lothrus apterus without mixed
Confuse table.
1) diplomatic generation of the frequency location relationship Lothrus apterus without confusion table, if there is strategy, take frequency relation without
Conflict generates the table without confusion table and diplomatic intersection of the positional relationship Lothrus apterus without confusion table.
No confusion table can be to be matched to obtain to two Lothrus apterus tables, is carried out matching to two Lothrus apterus tables and is included:
By each cell in the first Lothrus apterus table to respectively with each cell in the second Lothrus apterus table to matching, matching rule
To obtain cell pair when the cell in the first Lothrus apterus table matches the cell in (i, k) and the second Lothrus apterus table to (k, j)
(i,j);By the whole cells matched to the first Lothrus apterus table with the second Lothrus apterus table to as no confusion table
Cell pair obtains no confusion table.
(3) below based on linear model LR (Property, seq, i, j, Policy), for each cell relations attribute,
Illustrate the generation of cell relations table respectively.
(1) for the operation of the relation table of the frequency relation of cell:
1) frequency relation Lothrus apterus table, alternatively referred to as Lothrus apterus first frequency relation table LR (FREQ, 1, i, j, NONE), by
Adjacent cell information and Lothrus apterus strategy generate frequency relation Lothrus apterus table, and table element number is not more than N*N, and N is to participate in PCI
The cell number of deployment cannot share same PCI according to the cell with identical frequency and generate frequency relation Lothrus apterus table, and frequency is closed
Be in Lothrus apterus table comprising one or more cells pair, cell to comprising cell operation frequency it is identical.
When the working frequency of (i, j) cell is identical, the relation on attributes value LT of (i, j)ij=1, (i, j) cell cannot share
Same PCI, (i, j) ∈ frequency relation Lothrus apterus table LR (FREQ, 1, i, j, NONE);In the working frequency not phase of (i, j) cell
Meanwhile LTij=0, (i, j) cell can share same PCI, i.e., (i, j) is not belonging to frequency relation Lothrus apterus table;Frequency relation is without punching
Prominent table reflection is based on Lothrus apterus strategy, can any two minizone share the relationship of same PCI according to the frequency relation of cell.
LTijWhen=1, the different PCI of (i, j) cell deployment, i.e. cell occupies PCI resource respectively;Otherwise, LTij=0,
(i, j) shares same PCI, thus, frequency Lothrus apterus relation table interior element is LTijThe cell relations of=1 (i ≠ j) corresponding element
Attribute.
2) frequency relation is without confusion table, alternatively referred to as without obscuring third frequency relation table LR (FREQ, 3, i, j, NONE), root
Cell relations identical with same cell frequency are obtained according to adjacent cell information, according to identical with the working frequency of same cell
Cell cannot share same PCI and generate frequency relation without confusion table.
Logical association matching can be carried out to frequency relation Lothrus apterus table, obtain frequency relation without confusion table, i.e. LR
(FREQ, 1, i, j, NONE) * LR (FREQ, 1, i, j, NONE), to first frequency relation Lothrus apterus table from gauge outfit at second
Cell identical with same cell k frequency is successively inquired and matched in frequency relation Lothrus apterus table, obtains (i, j) relationship, for example,
(i, k) is co-frequency cell, and (k, j) is co-frequency cell, and obtaining (i, j) cell all is the co-frequency cell of cell k, obscures plan according to nothing
Slightly, cell identical with the working frequency of same cell cannot share same PCI, i.e. LTij=LTik*LTkj=1 (k=1 ... n, i
≠ j), LTikFor (i, k) corresponding relation on attributes value, LT in first frequency relation Lothrus apterus tablekjFor in second frequency
(k, j) corresponding relation on attributes value in relationship Lothrus apterus table, by (i, j) be put into frequency relation without confusion table LR (Freq, 3, i, j,
NONE in), frequency relation reflects the frequency relation according to cell, based on no aliasing strategy, any two minizone energy without confusion table
The no relationship for sharing same PCI.
3) frequency relation Lothrus apterus is without confusion table, alternatively referred to as Lothrus apterus without obscure the 4th frequency relation table LR (FREQ, 4,
I, j, NONE), PCI is disposed while being met Lothrus apterus without aliasing strategy, Lothrus apterus first frequency relation table LR (FREQ, 1, i, j,
NONE) with carry out logic union without obscuring third frequency relation table LR (FREQ, 3, i, j, NONE), obtain Lothrus apterus without obscuring the
Four frequency relation table LR (FREQ, 4, i, j, NONE), i.e. LR (FREQ, 4, i, j, NONE)=LR (FREQ, 1, i, j, NONE) | |
LR(FREQ,3,i,j,NONE).Restrictive condition LT by frequency relation Lothrus apterus without confusion tableijDetermine that can (i, j) cell be total to
With same PCI, LTij=1, i.e. (i, j) ∈ Lothrus apterus, cannot without the 4th frequency relation table LR (FREQ, 4, i, j, NONE) is obscured
Share same PCI;Otherwise, same PCI can be shared, (i, j) is not belonging to Lothrus apterus without obscuring the 4th frequency relation table, and then is small
Area disposes PCI.
(2) for the operation of the relation table of the positional relationship of cell:
1) positional relationship Lothrus apterus table, alternatively referred to as Lothrus apterus first position relation table LR (LOC, 1, i, j,
NONPOLICY), by adjacent cell information and Lothrus apterus strategy, positional relationship Lothrus apterus table is generated, table element number is not more than N*
N, wherein N is the cell number for participating in PCI deployment, cannot share same PCI according to neighboring community and generate positional relationship Lothrus apterus
Table, comprising one or more cells pair in positional relationship Lothrus apterus table, cell to comprising subdistrict position it is adjacent.
When (i, j) cell is neighboring community, LTij=1, (i, j) cell cannot share same PCI, and the position (i, j) ∈ is closed
It is Lothrus apterus table LR (LOC, 1, i, j, NONPOLICY);When (i, j) cell is non-conterminous, LTij=0, (i, j) cell can share together
One PCI, i.e. (i, j) are not belonging to positional relationship Lothrus apterus table;Positional relationship Lothrus apterus table LR (LOC, 1, i, j, NONPOLICY) is anti-
The positional relationship according to cell is reflected, is based on Lothrus apterus strategy, can any two minizone share the relationship of same PCI.
2) positional relationship is without confusion table, be referred to as without obscure the third place relation table LR (LOC, 3, i, j,
NONPOLICY), the cell relations adjacent with same cell k are obtained according to adjacent cell information, according to adjacent with same cell
Cell cannot share same PCI and generate positional relationship without confusion table.
Logical association matching can be carried out to positional relationship Lothrus apterus table, obtain positional relationship without confusion table, i.e. LR (LOC,
1, i, j, NONPOLICY) * LR (LOC, 1, i, j, NONPOLICY), to first positional relationship Lothrus apterus table from gauge outfit
The cell adjacent with same cell k is successively inquired and matched in two positional relationship Lothrus apterus tables, obtains (i, j) relationship, for example,
(i, k) is neighboring community, and (k, j) is neighboring community, and obtaining (i, j) cell all is the neighboring community of k cell, obscures plan according to nothing
Slightly, the minizone adjacent with same cell cannot share same PCI, i.e. LTij=LTik*LTkj=1 (k=1 ... n, i ≠ j), LTik
For (i, k) corresponding relation on attributes value, LT in first positional relationship Lothrus apterus tablekjFor in second frequency relation Lothrus apterus
(i, j) is put into positional relationship without confusion table LR (LOC, 3, i, j, NONPOLICY) by (k, j) corresponding relation on attributes value in table
In, positional relationship reflects the positional relationship according to cell without confusion table, and based on no aliasing strategy, can any two minizone be shared
The relationship of same PCI.
3) positional relationship Lothrus apterus is without confusion table, alternatively referred to as Lothrus apterus without obscure the 4th positional relationship table LR (LOC, 4,
I, j, NONPOLICY), PCI is disposed while being met Lothrus apterus without aliasing strategy, Lothrus apterus first position relation table LR (LOC, 1,
I, j, NONPOLICY) with without the third place relation table LR (LOC, 3, i, j, NONPOLICY) progress logic union is obscured, it obtains
Lothrus apterus without obscuring the 4th positional relationship table LR (LOC, 4, i, j, NONPOLICY), i.e. LR (LOC, 4, i, j, NONPOLICY)=
LR (LOC, 1, i, j, NONPOLICY) | | LR (LOC, 3, i, j, NONPOLICY), the limit by positional relationship Lothrus apterus without confusion table
Condition LT processedijDetermine that can (i, j) cell share same PCI, LTij=1, i.e. (i, j) ∈ Lothrus apterus is closed without the 4th position is obscured
It is table LR (LOC, 4, i, j, NONPOLICY), (i, j) cannot share same PCI;Otherwise, same PCI can be shared, (i, j) does not belong to
It in Lothrus apterus without obscuring the 4th positional relationship table, and then is cell deployment PCI.
(3) for the operation of the diplomatic positional relationship of cell:
1) generation of the diplomatic positional relationship without confusion table:
(A) positional relationship is generated without confusion table;
(B) generation of the diplomatic positional relationship without confusion table;
Have the strategy to include: switching and reselection strategies are forbidden in minizone, under the premise of this at positional relationship aliasing free of cell
Reason can optimize the deployment of PCI resource.The reason of switching and gravity treatment is forbidden mainly to have in minizone:
1) carrier policy configures;2) SON node allows or forbids handover between cells and again by cell load variation dynamic
Choosing;3) CSG limitation causes minizone that cannot switch and gravity treatment.Therefore, the purpose based on PCI resource saving optimization considers as above
The PCI deployment of situation is as follows:
Diplomatic positional relationship is referred to as diplomatic nothing and obscures the third place relation table LR without confusion table
(LOC, 3, i, j, POLICY) modifies to obtain diplomatic positional relationship without mixed without confusion table to positional relationship according to strategy
Confuse table.I.e. according to switchover policy, determine that neighboring community to Pair (A, B), forbids switching and gravity treatment between Pair (A, B), according to phase
Adjacent cell determines that first kind cell, first kind cell include small to first in Pair (A, B) with neighboring community to Pair (A, B)
The adjacent cell in area and the cell adjacent with the second community in Pair (A, B), judge in first kind cell and first community
Whether adjacent cell is adjacent with second community, if non-conterminous, from positional relationship without deletion first kind cell in confusion table
In it is adjacent with first community with the non-conterminous cell of second community and the cell pair of second community composition;Also, judge the first kind
Whether the cell adjacent with second community and first community in cell are adjacent, if non-conterminous, from positional relationship without obscuring
The cell with the non-conterminous cell of first community and first community composition adjacent with second community in first kind cell is deleted in table
It is right, diplomatic positional relationship is obtained without confusion table, i.e., diplomatic the third place relation table LR (LOC, 3, i, j, POLICY).
For example, determining first kind cell: will except neighboring community to the first community (cell A) in Pair (A, B) outside, and it is small
To the second community (cell B) in Pair (A, B), cell adjacent each other such as includes cell C and D as first kind cell in area,
It is denoted as FstClass (C, D).
Correction position relationship obtains diplomatic positional relationship without confusion table without confusion table: by first kind cell and cell pair
Neighbouring relations correction position relationship without confusion table: each cell of analysis first kind cell FstClass (C, D), such as C, except small
Area judges cell C and cell to cell A in Pair (A, B) the cell B in Pair (A, B), if it is all neighboring community, if
It is not execute any operation;Otherwise, by positional relationship without in confusion table LR (LOC, 2, i, j, POLICY) correspond to cell C and
The relation on attributes value of cell A is changed to 0 from 1, i.e., from positional relationship without confusion table LR (LOC, 2, i, j, POLICY) delete cell C and
The cell pair of cell A composition.
2) diplomatic generation of the positional relationship Lothrus apterus without confusion table:
(A) positional relationship Lothrus apterus table is generated;
(B) diplomatic positional relationship Lothrus apterus is referred to as diplomatic Lothrus apterus without obscuring the 4th without confusion table
It sets relation table LR (LOC, 4, i, j, POLICY), PCI is disposed while being met Lothrus apterus without aliasing strategy, to positional relationship Lothrus apterus
Table and diplomatic positional relationship obtain diplomatic position without confusion table LR (LOC, 3, i, j, POLICY) progress logic union
Relationship Lothrus apterus is set without confusion table LR (LOC, 4, i, j, POLICY).According to the restrictive condition LT of relation tableijDetermine (i, j) cell
Same PCI, LT can be sharedijThe diplomatic positional relationship Lothrus apterus of=1, i.e. (i, j) ∈ without confusion table LR (LOC, 4, i, j,
POLICY), same PCI cannot be shared;Otherwise, same PCI can be shared, (i, j) is not belonging to diplomatic positional relationship Lothrus apterus
Without confusion table, PCI is disposed for respective cell.
(4) it is directed to the frequency location relationship of cell, generates frequency location relationship Lothrus apterus without confusion table.
1) frequency location relationship Lothrus apterus is without confusion table, is referred to as Lothrus apterus without obscuring the 5th frequency location relation table
LR (FREQLOC, 5, i, j, NONPOLICY) is disposed by PCI while being met working frequency and position Lothrus apterus without aliasing strategy,
Collective frequency relationship and positional relationship obtain the influence result intersection that PCI is disposed, to frequency relation Lothrus apterus without confusion table LR
(FREQ, 4, i, j, NONE) and positional relationship Lothrus apterus carry out logical AND fortune without confusion table LR (LOC, 4, i, j, NONPOLICY)
It calculates, obtains frequency location relationship Lothrus apterus without confusion table LR (FREQLOC, 5, i, j, NONPOLICY), i.e. LR (FREQLOC, 5, i,
J, NONPOLICY)=LR (FREQ, 4, i, j, NONE) &&LR (LOC, 4, i, j, NONPOLICY).By LTijDetermine (i, j) cell
Same PCI, LT can be sharedij=1, i.e., (i, j) ∈ frequency location relationship Lothrus apterus without confusion table LR (FREQLOC, 5, i, j,
NONPOLICY), same PCI cannot be shared, otherwise, same PCI, LT can be sharedijFrequency location relationship Lothrus apterus is not belonging to without mixed
Confuse, and then is cell deployment PCI.
(5) it is directed to the diplomatic frequency location relationship of cell, generates diplomatic frequency location relationship Lothrus apterus without mixed
Confuse table.
1) diplomatic frequency location relationship Lothrus apterus is referred to as diplomatic Lothrus apterus without obscuring without confusion table
Five frequency location relation table LR (FREQLOC, 5, i, j, POLICY) are disposed by PCI while being met working frequency and position Wu Chong
It is prominent to influence result intersection without aliasing strategy, collective frequency relationship and diplomatic positional relationship and obtain, i.e., to frequency relation without punching
It is prominent without confusion table LR (FREQ, 4, i, j, NONE) and diplomatic positional relationship Lothrus apterus without confusion table LR (FREQ, 4, i, j,
POLICY) carry out logic and operation, obtain diplomatic frequency location relationship Lothrus apterus without confusion table LR (FREQLOC, 5, i, j,
POLICY), i.e. LR (FREQLOC, 5, i, j, POLICY)=LR (FREQ, 4, i, j, NONE) &&LR (FREQ, 4, i, j, NONE).
By LTijDetermine that can (i, j) cell share same PCI, LTijThe diplomatic frequency location relationship Lothrus apterus of=1, i.e. (i, j) ∈
Without confusion table, same PCI cannot be shared;Otherwise, same PCI, LT can be sharedijDiplomatic frequency location relationship is not belonging to without punching
It dashes forward without confusion table, and then is cell deployment PCI.
What other LTE protocols were supported disposes the cell relations attribute for existing and influencing to PCI, that is, influences the attribute of area interference
Relationship equally as above expands on relationship between the influential relation on attributes of PCI deployment tool and attribute, PCI resource is saved with this, to reach
To the purpose of PCI Optimization deployment.And the PCI of the diplomatic relation on attributes of further progress is disposed as a result, finally fitting according to demand
Result is disposed with optimal PCI.
The method of the deployment Physical Cell Identifier of present embodiment is illustrated using example below by one.
The mode of the PCI deployment of present embodiment is suitable for the Three models of LTE SON framework: centralization, it is distributed and
It is hybrid.The LTE SON node that PCI method provides is disposed, may be provided at LTE core network or base station side.
As shown in figure 3, the method for the deployment PCI of present embodiment includes:
Step 301:LTE SON node receives the adjacent cell information that base station reports;The information is by base station down receiver
Scanning or UE reporting base station obtain;
Adjacent cell information includes: the working frequency of neighboring community, neighboring community's global identity (Cell Global
Identifier, E-CGI), the PCI of cell deployment.
Step 302: generating cell relations table, root based on Lothrus apterus and/or without aliasing strategy according to cell relations attribute
It is cell PCI allocation according to cell relations table;
Cell relations attribute includes: the frequency relation of 1) cell;2) positional relationship of cell;3) the diplomatic position of cell
Set relationship;4) the frequency location relationship of cell;5) the diplomatic frequency location relationship of cell.Cell relations attribute can also expand
That opens up LTE protocol support disposes relationship between the attribute of a relation and attribute that there is influence to PCI.
Step 303: respective base station will be sent to for the PCI of cell deployment.
Above-mentioned steps 302 are specifically described below.
Using Fig. 4 as deployment prototype, the implementation that PCI is disposed is decomposed one by one according to different community attribute of a relation.Fig. 4 is small
Include 5 cells in area's topology, is cell coverage area in hexagon, according to the frequency relation of cell, cell 1,3 and 5 is used
Frequency 1, the frequency of use of cell 2 and 42, in which: 1) (1,3,5) cell is with frequency operational cell, and by Lothrus apterus strategy, they are not
Same PCI can be shared, equally, (2,4) cell cannot share same PCI;2) (1,5) cell is all the co-frequency cell of cell 3, because
And by no aliasing strategy, (1,5) cell cannot share same PCI.
According to the positional relationship of cell, in which: 1) there is overlapping each other neighboring community in the coverage area of (1,2) cell, by
Lothrus apterus strategy, they cannot share same PCI;2) (2,3) cell neighboring community each other, (3,4) cell neighboring community each other;
3) by no aliasing strategy, (2,4) cell cannot share same PCI.
(1) it is directed to the frequency relation of cell:
It include 5 cells in topology as shown in Figure 4, (1,3,5) cell operation frequency is identical, (2,4) cell operation frequency
Together, cell (1,3,5) cannot dispose same PCI, and cell (2,4) cannot dispose same PCI, and corresponding relation on attributes value is 1,
Therefore, following frequency relation table is generated:
1) frequency relation Lothrus apterus table is generated;LR(FREQ,1,i,j,NONE)
={ (1,3), (1,5), (2,4), (3,1), (3,5), (4,2), (5,1), (5,3) }
2) frequency relation is generated without confusion table;
Process is as follows, wherein relation on attributes ' * ' is indicated to cell identical with the working frequency of same cell k progress
Match, if the matching process of the co-frequency cell (1,5) of cell 3 is expressed as (1,3) * (3,5)=(1,5), show that (1,5) needs difference
PCI deployment:
LR(FREQ,3,i,j,NONE)
={ (1,3), (1,5), (2,4), (3,1), (3,5), (4,2), (5,1), (5,3) }
*{(1,3),(1,5),(2,4),(3,1),(3,5),(4,2),(5,1),(5,3)}
={ (1,3) * (3,1), (1,3) * (3,5), (1,5) (5,1) *, (1,5) * (5,3), (2,4) (4,2) *, (3,1) *
(1,3),
(3,1)*(1,5),(3,5)*(5,1),(3,5)*(5,3),(4,2)*(2,4),(5,1)*(1,3),(5,1)*(1,
5),
(5,3)*(3,1),(5,3)*(3,5)}
={ (1,1), (1,5), (1,3), (2,2), (3,3), (3,5), (3,1), (4,4), (5,3), (5,5), (5,1) }
={ (1,5), (1,3), (3,5), (3,1), (5,3), (5,1) }
3) frequency relation Lothrus apterus is generated without confusion table:
LR(FREQ,4,i,j,NONE)
=LR (FREQ, 1, i, j, NONE) | | LR (FREQ, 3, i, j, NONE)
={ (1,3), (1,5), (2,4), (3,1), (3,5), (4,2), (5,1), (5,3) }
||{(1,5),(1,3),(3,5),(3,1),(5,3),(5,1)}
={ (1,3), (1,5), (2,4), (3,1), (3,5), (4,2), (5,1), (5,3) }
(2) it is directed to the positional relationship of cell:
1) positional relationship Lothrus apterus table is generated:
LR(LOC,1,i,j,NONPOLICY)
={ (1,2), (1,3), (2,1), (2,3), (3,1), (3,2), (3,4), (4,3) }
2) positional relationship is generated without confusion table:
There is no (i, i) cell relations in relation table (such as (1,1), (2,2), (3,3), (4,4), (5,5)).
Process is as follows, wherein relation on attributes ' * ' expression matches the cell adjacent with same cell, such as cell 3
The matching process of neighboring community (2,4) is expressed as (2,3) * (3,4)=(2,4), show that (2,4) need different PCI deployment:
LR(LOC,3,i,j,NONPOLICY)
={ (1,2), (1,3), (2,1), (2,3), (3,1), (3,2), (3,4), (4,3) }
*{(1,2),(1,3),(2,1),(2,3),(3,1),(3,2),(3,4),(4,3)}
=(1,2) * (2,1), (1,2) * (2,3), and (1,3) * (3,1), (1,3) * (3,2), (1,3) * (3,4),
(2,1)*(1,2),(2,1)*(1,3),(2,3)*(3,1),(2,3)*(3,2),
(2,3)*(3,4),(3,1)*(1,2),(3,1)*(1,3),(3,2)*(2,1),(3,2)*(2,3),
(3,4)*(4,3),(4,3)*(3,1),(4,3)*(3,2),(4,3)*(3,4),
={ (1,1), (1,3), (1,2), (1,4), (2,2), (2,3), (2,1), (2,4), (3,2), (3,3), (3,1)
(4,1),(4,2),(4,4)}
={ (1,3), (1,2), (1,4), (2,3), (2,1), (2,4), (3,2), (3,1), (4,1), (4,2) }
3) positional relationship Lothrus apterus is generated without confusion table:
Positional relationship Lothrus apterus table and positional relationship take union without confusion table, obtain the 4th positional relationship Lothrus apterus without obscuring
Table.
LR(LOC,4,i,j,NONPOLICY)
=LR (LOC, 1, i, j, NONPOLICY) | | LR (LOC, 3, i, j, NONPOLICY)
={ (1,2), (1,3), (2,1), (2,3), (3,1), (3,2), (3,4), (4,3) }
||{(1,3),(1,2),(1,4),(2,3),(2,1),(2,4),(3,2),(3,1),(4,1),(4,2)}
={ (1,3), (1,2), (1,4), (2,3), (2,1), (2,4), (3,2), (3,1), (3,4), (4,1), (4,2)
(4,3)}
Know from LR (LOC, 4, i, j, NONPOLICY), (1,2), (1,3), (Isosorbide-5-Nitrae), (2,3), (2,4), (3,4) cell are equal
Same PCI cannot be shared.It is as follows then to dispose PCI:
1 relationship of cell starts, and is deployed to 1 cell, then PCI1=C1;
2 relationship of cell, (2,1), (2,3), (2,4) cell cannot share same PCI, then PCI2=C2;
3 relationship of cell, (3,1), (3,2) (3,4) cell cannot share same PCI, then PCI3=C3;
4 relationship of cell, (4,1), (4,2) (4,3) cell cannot share same PCI, then PCI4=C4;
5 relationship of cell, 5 can share same PCI with (4,3,2,1) cell, then PCI5=(C1, C2, C3, C4);
Therefore, 4 PCI has been used to dispose 5 cells, cell PCI such as Fig. 5 after deployment.
(3) diplomatic positional relationship table:
It include 5 cells in topology as shown in Figure 4, switching and gravity treatment, (1,2) cell phase each other are forbidden in (3,4) minizone
Adjacent cell, (1,3) cell neighboring community each other, (2,3) cell neighboring community each other, (3,4) cell neighboring community each other.
1) generation of the diplomatic positional relationship without confusion table:
(A) positional relationship is generated without confusion table:
Process is as follows, wherein relation on attributes ' * ' expression matches the adjacent cell relation of same cell, such as the phase of cell 3
The procedural representation of adjacent cell (2,4) is (2,3) * (3,4)=(2,4), show that (2,4) need different PCI deployment:
LR(LOC,2,i,j,POLICY)
={ (1,2), (1,3), (2,1), (2,3), (3,1), (3,2), (3,4), (4,3) }
*{(1,2),(1,3),(2,1),(2,3),(3,1),(3,2),(3,4),(4,3)}
=(1,2) * (2,1), (1,2) * (2,3), and (1,3) * (3,1), (1,3) * (3,2), (1,3) * (3,4),
(2,1)*(1,2),(2,1)*(1,3),(2,3)*(3,1),(2,3)*(3,2),
(2,3)*(3,4),(3,1)*(1,2),(3,1)*(1,3),(3,2)*(2,1),(3,2)*(2,3),
(3,4)*(4,3),(4,3)*(3,1),(4,3)*(3,2),(4,3)*(3,4),
={ (1,1), (1,3), (1,2), (1,4), (2,2), (2,3), (2,1), (2,4), (3,2), (3,3), (3,1)
(4,1),(4,2),(4,4)}
={ (1,3), (1,2), (1,4), (2,3), (2,1), (2,4), (3,2), (3,1), (4,1), (4,2) }
(B) diplomatic positional relationship is generated without confusion table:
According to strategy modification positional relationship without confusion table, obtain diplomatic positional relationship without confusion table LR (LOC, 3, i,
J, POLICY), process is as follows:
Such as the diplomatic cell topology of Fig. 4, when forbidding between neighboring community, cell switches and gravity treatment, (3,4) cell are prohibited
Switching and gravity treatment (UE cannot be switched to 4 from cell 3 by cell switching or cell reselection), even if (2,4) cell is all cell 3
Neighboring community, and (2,4) cell shares same PCI, cell will not be caused to obscure;And (3,4) cell neighboring community each other,
A neighboring community is formed to Pair (3,4), to cell to the following execution respectively of every cell:
Determine first kind cell: for the cell 4 of Pair (3,4) cell pair, remaining in addition to cell 4 in all cells
The cell adjacent each other with cell 3 in cell is first kind cell, including cell 1,2, is denoted as FstClass (1,2);
Judge the neighbouring relations of first kind cell Yu cell pair: analysis first kind cell FstClass (1,2) every cell with
Cell removes cell 3, judges whether cell 1 and cell 4 are adjacent small to the neighbouring relations of Pair (3,4) every cell to cell 1
Area is judged as NO, and the corresponding relation on attributes value of (Isosorbide-5-Nitrae) cell in LR (LOC, 2, i, j, POLICY) table need to be changed to 0, from relationship
It is removed in table;Equally, cell 2 is analyzed, need to be by LR (LOC, 2, i, j, POLICY)) (2,4) cell is removed from relation table in table;
LR (LOC, 3, i, j, POLICY) table is obtained, as follows:
LR(LOC,3,i,j,POLICY)
=LR (LOC, 2, i, j, POLICY)-(1,4)-(4,1)-(2,4)-(4,2)
={ (1,3), (1,2), (1,4), (2,3), (2,1), (2,4), (3,2), (3,1), (4,1), (4,2) }
-(1,4)-(4,1)-(2,4)-(4,2)
={ (1,3), (1,2), (2,3), (2,1), (3,2), (3,1) }
2) diplomatic generation of the positional relationship Lothrus apterus without confusion table:
(A) positional relationship Lothrus apterus table is generated;
(B) positional relationship Lothrus apterus table and diplomatic positional relationship take union without confusion table, obtain diplomatic position
Relationship Lothrus apterus is without confusion table.
LR(LOC,4,i,j,POLICY)
=LR (LOC, 1, i, j, POLICY) | | LR (LOC, 3, i, j, POLICY)
={ (1,2), (1,3), (2,1), (2,3), (3,1), (3,2), (3,4), (4,3) }
||{(1,3),(1,2),(2,3),(2,1),(3,2),(3,1)}
={ (1,2), (1,3), (2,1), (2,3), (3,1), (3,2), (3,4), (4,3) }
Know from LR (LOC, 4, i, j, POLICY), (1,2), (1,3), (2,3), (3,4) cell cannot share same
PCI.It is as follows then to dispose PCI:
1 relationship of cell starts, and is deployed to 1 cell, then PCI1=C1;
2 relationship of cell, (2,1) cell cannot share same PCI, then PCI2=C2;
3 relationship of cell, (3,1), (3,2) cell cannot share same PCI, then PCI3=C3;
4 relationship of cell, (4,3) cell cannot share same PCI, and 4 and (1,2) cell can share identical PCI, PCI4=
(C1,C2);
5 relationship of cell, 5 can share same PCI with (4,3,2,1) cell, then PCI5=(C1, C2, C3);
Therefore, 3 PCI has been used to dispose 5 cells, cell PCI such as Fig. 6 after deployment.It is diplomatic to be based on position Wu Chong
Prominent aliasing free PCI deployment, since neighboring community or the neighboring community of same cell have tactful relationship, minizone can optimize
PCI deployment.Such as the tactful relationship of (3,4) cell, make (3,4) cell that the PCI of other side neighboring community can be used, thus multiplexing
PCI and save PCI resource.
(4) it is directed to the frequency location relationship of cell, generates frequency location relationship Lothrus apterus without confusion table:
1) frequency location relationship Lothrus apterus is frequency relation without punching without confusion table LR (FREQLOC, 5, i, j, NONPOLICY)
It is prominent without confusion table LR (FREQ, 4, i, j, NONPOLICY) and positional relationship Lothrus apterus without confusion table LR (LOC, 4, i, j,
NONPOLICY common ground) is taken, that is, takes intersection to obtain.
LR(FREQLOC,5,i,j,NONPOLICY)
=LR (FREQ, 4, i, j, NONE)
&&LR(LOC,4,i,j,NONPOLICY)
={ (1,3), (1,5), (2,4), (3,1), (3,5), (4,2), (5,1), (5,3) }
&&{(1,3),(1,2),(1,4),(2,3),(2,1),(2,4),(3,2),(3,1),(3,4),(4,1),(4,2),
(4,3)}
={ (1,3), (2,4), (3,1), (4,2) }
Know from LR (FREQLOC, 5, i, j, NONPOLICY), (1,3), (2,4) cell cannot share same PCI.Then portion
It is as follows to affix one's name to PCI:
1 relationship of cell starts, and is deployed to 1 cell, then PCI1=C1;
2 relationship of cell, (2,4) cell cannot share same PCI, but (2,1) cell can share same PCI, then PCI2=
C1;
3 relationship of cell, (3,1) cell cannot share same PCI, then PCI3=C3;
4 relationship of cell, (4,2) cell cannot share same PCI, but (4,3,1) cell can share same PCI, then PCI4
=C3;
5 relationship of cell, (5,4,3,2,1) cell can share same PCI, then PCI5=(C1, C3);
Therefore, 2 PCI has been used to dispose 5 cells, cell PCI such as Fig. 7 after deployment.
(5) it is directed to the diplomatic frequency location relationship of cell, generates diplomatic frequency location relationship Lothrus apterus without mixed
Confuse table:
Diplomatic frequency location relationship Lothrus apterus is frequency pass without confusion table LR (FREQLOC, 5, i, j, NONPOLICY)
Be Lothrus apterus without confusion table LR (FREQ, 4, i, j, NONPOLICY) and diplomatic positional relationship Lothrus apterus without confusion table LR
(LOC, 4, i, j, NONPOLICY) takes common ground, that is, takes intersection to obtain
LR(FREQLOC,5,i,j,POLICY)
=LR (FREQ, 4, i, j, NONE)
&&LR(LOC,4,i,j,POLICY)
={ (1,3), (1,5), (2,4), (3,1), (3,5), (4,2), (5,1), (5,3) }
&&{(1,2),(1,3),(2,1),(2,3),(3,1),(3,2),(3,4),(4,3)}
={ (1,3), (1,5), (2,4), (3,1), (3,5), (4,2), (5,1), (5,3) } (ash falls non-publicly-owned)
={ (1,3), (3,1) }
Know that (1,3) cell cannot share same PCI from LR (FREQLOC, 5, i, j, POLICY).It is as follows then to dispose PCI:
1 relationship of cell starts, and is deployed to 1 cell, then PCI1=C1;
2 relationship of cell, (2,1) cell can share same PCI, then PCI2=C1;
3 relationship of cell, (3,1) cell cannot share same PCI, then PCI3=C3;
4 relationship of cell, (4,1,2,3) cell can share same PCI, then PCI4=(C1, C3);
5 relationship of cell, (5,4,3,2,1) cell can share same PCI, then PCI5=(C1, C3);
Therefore, 2 PCI has been used to dispose 5 cells, cell PCI such as Fig. 8 after deployment.
Applying frequency and the Lothrus apterus of position further improve PCI multiplexing without relational deployment cell PCI is obscured simultaneously
Rate optimizes PCI resource deployment.
Operation Model and application scenarios:
Present embodiment disposes family's base that PCI is suitable for macro base station and open femtocell cell, closed mode
Stand cell, mixed mode home base station cells.
Operation Model can following any model or any of them model any effective number combinatorial operation output,
As drag includes relationship output, the output of diplomatic relation on attributes between all effective relation on attributes outputs in minizone, attribute
And all application scenarios that relationship exports between diplomatic attribute, these application scenarios of the invention are provided with protective effect (institute
Stating attribute is the attribute that there is influence on PCI deployment that LTE protocol is supported, i.e., the attribute of interference is formed to cell).
Types of models 1:, can be according to frequency relation Lothrus apterus table PCI allocation for the frequency relation of cell;Or according to frequency
Rate relationship is without confusion table PCI allocation;Or according to frequency relation Lothrus apterus without confusion table PCI allocation.
Types of models 2:, can be according to positional relationship Lothrus apterus table PCI allocation or according to position for the positional relationship of cell
Relationship is set without confusion table PCI allocation or according to positional relationship Lothrus apterus without confusion table PCI allocation.
Types of models 3: for the diplomatic positional relationship of cell, can be matched according to diplomatic positional relationship without confusion table
Set PCI or according to diplomatic positional relationship Lothrus apterus without confusion table PCI allocation.
Types of models 4: it for the frequency location relationship of cell, can be configured according to frequency location relationship Lothrus apterus without confusion table
PCI。
Types of models 5: for the diplomatic frequency location relationship of cell, can according to diplomatic frequency location relationship without
Conflict is without confusion table PCI allocation.
PCI is divided into 3 ranges by cell type simultaneously: 1) being used for the CSG range of closed user cell PCI;2) for opening
The range of opening for putting access module cell open Access mode PCI, such as macro station and the Home eNodeB for being set on mode playback
Cell PCI;3) for being set as the blend range of hybrid access mode home base station cells PCI, the PCI of mixed mode can also be closed
And it is used together in range of opening.Present embodiment can be adapted for above-mentioned application scenarios.
Further more, the PCI of LTE SON is disposed under PCI resource deployment and heterogeneous network of the present embodiment applied to LTE SON.
Linear process is used in present embodiment, PCI disposes efficiency by the O (N^2) of matrix operation, is optimized for O (N), portion
It affixes one's name to operation efficiency and improves N times, wherein N is cell number.To the Lothrus apterus of frequency and position without obscuring relational deployment minizone
PCI further improves PCI reusability, optimizes the deployment of PCI resource.Being extended to LTE protocol influences the attribute of area interference
Relationship output, perhaps equally extension LTE protocol influence area interference attribute between relationship output or be extended to diplomatic
LTE protocol influences the relation on attributes output of area interference, or is equally extended to diplomatic LTE protocol influence area interference
Relationship exports between attribute, and PCI resource is disposed in optimization, improves the reusability of PCI resource.
In fact, when the relation on attributes for influencing minizone PCI deployment of consideration is more, it can be into for the reusability of PCI
One step improves, optimization PCI resource deployment.Certainly, while the relation on attributes that considers is more or diplomatic relation on attributes is more,
Being not excluded for operational performance will receive the possibility of influence, in the running of actual model, need to determine effective influence according to demand
Relationship between relationship or diplomatic relation on attributes and attribute between the relation on attributes and attribute of cell PCI deployment.
Present embodiment is directed to the influence relationship that cell relations attribute disposes PCI resource, closes to frequency relation, position
System, frequency location relationship, diplomatic positional relationship, diplomatic frequency location relationship, other LTE protocols influence area interference
Relation on attributes, other LTE protocols influence relationship between the attribute of area interference, and it is dry that diplomatic other LTE protocols influence cell
Between the attribute of the relation on attributes, other diplomatic LTE protocols influence area interference disturbed there is the deployment of PCI resource in relationship
It influences, the operation and application of these relations on attributes, improve the multiplexing of PCI resource and optimizes the deployment of PCI resource.
The matrix of positional relationship is disposed for the SON PCI of NTT and mathematical operation, present embodiment storage and deployment are imitated
Rate is (O (N^2)), and operation is logical operation:
Originally it applies mode and is based on linear model, consider have the frequency relation of influence, position pass to PCI resource deployment
It is dry that system, frequency location relationship, diplomatic positional relationship, diplomatic frequency location relationship and other LTE protocols influence cell
Attribute (or between attribute) relationship disturbed and diplomatic LTE protocol influence attribute (or between attribute) relationship of area interference, right
Relation on attributes carries out Lothrus apterus without operation of confusion, and linear memory and linear deployment are carried out in storage to PCI resource and deployment, to depositing
Storage efficiency (O (N^2) and deployment efficiency (O (N^2)), are reduced to linear storage efficiency (O (N)) and deployment efficiency (O (N)), because
And within the scope of the determination on room and time, when cell number N increases, linear storage efficiency (O (N)) and deployment efficiency
(O (N)) (in O (N^2) and deployment efficiency (O (N^2)), improved efficiency degree is more significant relative to storage efficiency.PCI is improved to deposit
Efficiency, deployment efficiency and operation efficiency are stored up, multiple cell PCI deployment can be completed under the hardware environment without using accelerator, and
Relationship between relation on attributes and attribute based on area interference had an impact in LTE protocol extends and has influence to PCI deployment
The operational model of cell attribute and minizone relation on attributes influences attribute, linear model and the logic fortune of area interference based on LTE
It calculates, realizes and be of universal significance to the Optimization deployment of cell PCI resource as a result, being promoted to the application deployment of PCI.
As shown in figure 9, present embodiment additionally provides a kind of device for disposing Physical Cell Identifier, comprising: relation table is raw
At unit and PCI deployment unit, in which:
Relation table generation unit is used for according to cell relations attribute, raw according to Lothrus apterus strategy and/or without aliasing strategy
At cell relations table, comprising one or more cells pair in cell relations table, cell to comprising cell cannot use phase jljl
Manage cell ID PCI;
PCI deployment unit, for affixing one's name to PCI according to cell relations exterior portion, for the cell deployment of identical PCI cannot be used different
PCI, the identical PCI of cell deployment to be able to use identical PCI;
Lothrus apterus strategy refers to, for cell relations attribute, minizone can be made to clash when determining using identical PCI
Cell cannot use identical PCI;No aliasing strategy refers to, for cell relations attribute, can make when determining using identical PCI
The cell that minizone is mutually obscured cannot use identical PCI.
Cell relations table is comprising Lothrus apterus table, without confusion table and Lothrus apterus without confusion table, in which:
Lothrus apterus table to be generated according to Lothrus apterus strategy, the cell in Lothrus apterus table to comprising cell using identical
It can be clashed when PCI;
No confusion table to be generated according to no aliasing strategy, the cell in no confusion table to comprising cell using identical
It can obscure when PCI;
Lothrus apterus is without confusion table for Lothrus apterus table and without the union of confusion table.
Cell relations attribute includes the frequency relation of cell;
Relation table generation unit is specifically used for determining the identical cell of working frequency, according to the identical cell of working frequency
Identical PCI cannot be used, generate frequency relation Lothrus apterus table, the cell in frequency relation Lothrus apterus table to comprising cell
Working frequency is identical;
PCI deployment unit is specifically used for affixing one's name to PCI according to frequency relation Lothrus apterus exterior portion.
Cell relations attribute includes the frequency relation of cell;
Relation table generation unit is specifically used for determining identical with same cell operation frequency cell, according to it is same small
Working frequency identical cell in area's cannot use identical PCI, generate frequency relation without confusion table, frequency relation is without in confusion table
Cell to comprising cell it is identical as same cell operation frequency;
PCI deployment unit is specifically used for disposing PCI without confusion table according to frequency relation.
Cell relations attribute includes the frequency relation of cell;
Relation table generation unit is specifically used for determining the identical cell of working frequency, according to the identical cell of working frequency
Identical PCI cannot be used, generate frequency relation Lothrus apterus table, the cell in frequency relation Lothrus apterus table to comprising cell
Working frequency is identical;Also, cell identical with same cell operation frequency is determined, according to identical as same cell operation frequency
Cell cannot use identical PCI, generate frequency relation without confusion table, frequency relation without the cell in confusion table to comprising
Cell is identical as same cell operation frequency;Frequency relation Lothrus apterus table and frequency relation are taken without the union of confusion table, obtains frequency
Rate relationship Lothrus apterus is without confusion table;
PCI deployment unit is specifically used for disposing PCI without confusion table according to frequency relation Lothrus apterus.
Cell relations attribute includes the positional relationship of cell;
Relation table generation unit is specifically used for determining neighboring community, cannot use identical PCI according to neighboring community, raw
At positional relationship Lothrus apterus table, cell in positional relationship Lothrus apterus table to comprising subdistrict position it is adjacent;
PCI deployment unit is specifically used for affixing one's name to PCI according to positional relationship Lothrus apterus exterior portion.
Cell relations attribute includes the positional relationship of cell;
Relation table generation unit, specifically for determining the cell adjacent with same cell, according to adjacent with same cell
Cell cannot use identical PCI, generate positional relationship without confusion table, positional relationship without the cell in confusion table to comprising it is small
Qu Jun is adjacent with same cell;
PCI deployment unit is specifically used for disposing PCI without confusion table according to positional relationship.
Cell relations attribute includes the positional relationship of cell;
Relation table generation unit is specifically used for determining neighboring community, cannot use identical PCI according to neighboring community, raw
At positional relationship Lothrus apterus table, cell in positional relationship Lothrus apterus table to comprising subdistrict position it is adjacent;It is determining with it is same small
The adjacent cell in area cannot use identical PCI according to the cell adjacent with same cell, generate positional relationship without confusion table,
Positional relationship without the cell in confusion table to comprising cell it is adjacent with same cell;Take positional relationship Lothrus apterus table and position
Union of the relationship without confusion table obtains positional relationship Lothrus apterus without confusion table;
PCI deployment unit is specifically used for disposing PCI without confusion table according to positional relationship Lothrus apterus.
Cell relations attribute includes the diplomatic positional relationship of cell;
Relation table generation unit, specifically for determining the cell adjacent with same cell, according to adjacent with same cell
Cell cannot use identical PCI, generate positional relationship without confusion table, positional relationship without the cell in confusion table to comprising it is small
Qu Jun is adjacent with same cell;According to migration efficiency location revision relationship without confusion table, from positional relationship without being removed in confusion table
It is able to use the cell pair of the cell composition of identical PCI under migration efficiency, obtains diplomatic positional relationship without confusion table;
PCI deployment unit is specifically used for according to diplomatic positional relationship without confusion table PCI allocation.
Relation table generation unit, specifically for being that switching is forbidden and when reselection strategies in minizone in migration efficiency, according to taboo
Only switch and the cell of gravity treatment determines neighboring community pair, according to neighboring community to determining first kind cell, first kind cell includes
The cell adjacent with the first community of neighboring community's centering and the cell adjacent with the second community of neighboring community's centering judge
Whether the cell adjacent with first community and second community in a kind of cell adjacent, if non-conterminous, from positional relationship without
Adjacent with first community in the first kind cell and non-conterminous cell of second community and second community composition are removed in confusion table
Cell pair;Also, judge whether the cell adjacent with second community in first kind cell and first community are adjacent, if not phase
Neighbour is then adjacent with second community with the non-conterminous cell of first community in first kind cell without removing in confusion table from positional relationship
With the cell pair of first community composition.
Cell relations attribute includes the diplomatic positional relationship of cell;
Relation table generation unit is specifically used for determining neighboring community, cannot use identical PCI according to neighboring community, raw
At positional relationship Lothrus apterus table, cell in positional relationship Lothrus apterus table to comprising subdistrict position it is adjacent;It is determining with it is same small
The adjacent cell in area cannot use identical PCI according to the cell adjacent with same cell, generate positional relationship without confusion table,
Positional relationship without the cell in confusion table to comprising cell it is adjacent with same cell, according to migration efficiency location revision relationship
Without confusion table, it is able to use the cell of the cell composition of identical PCI under migration efficiency without removal in confusion table from positional relationship
It is right, diplomatic positional relationship is obtained without confusion table;Take positional relationship Lothrus apterus table and diplomatic positional relationship without confusion table
Union, obtain diplomatic positional relationship Lothrus apterus without confusion table;
PCI deployment unit is specifically used for disposing PCI without confusion table according to diplomatic positional relationship Lothrus apterus.
Cell relations attribute includes the frequency location relationship of cell;
Relation table generation unit is specifically used for determining the identical cell of working frequency, according to the identical cell of working frequency
Identical PCI cannot be used, generate frequency relation Lothrus apterus table, the cell in frequency relation Lothrus apterus table to comprising cell
Working frequency is identical;Also, cell identical with same cell operation frequency is determined, according to identical as same cell operation frequency
Cell cannot use identical PCI, generate frequency relation without confusion table, frequency relation without the cell in confusion table to comprising
Cell is identical as same cell operation frequency;Frequency relation Lothrus apterus table and frequency relation is taken to obtain without the union of confusion table
Frequency relation Lothrus apterus is without confusion table;It determines neighboring community, identical PCI cannot be used according to neighboring community, position is generated and close
Be Lothrus apterus table, the cell in positional relationship Lothrus apterus table to comprising subdistrict position it is adjacent;Determination is adjacent with same cell
Cell cannot use identical PCI according to the cell adjacent with same cell, generate positional relationship without confusion table, positional relationship
Without the cell in confusion table to comprising cell it is adjacent with same cell;Take positional relationship Lothrus apterus table and positional relationship without mixed
Confuse the union of table, obtains positional relationship Lothrus apterus without confusion table;Take frequency relation Lothrus apterus without confusion table and positional relationship without punching
The prominent intersection without confusion table, obtains frequency location relationship Lothrus apterus without confusion table;
PCI deployment unit is specifically used for disposing PCI without confusion table according to frequency location relationship Lothrus apterus.
Cell relations attribute includes the diplomatic frequency location relationship of cell;
Relation table generation unit is specifically used for determining the identical cell of working frequency, according to the identical cell of working frequency
Identical PCI cannot be used, generate frequency relation Lothrus apterus table, the cell in frequency relation Lothrus apterus table to comprising cell work
Working frequency is identical;Also, cell identical with same cell operation frequency is determined, according to identical with same cell operation frequency
Cell cannot use identical PCI, generate frequency relation without confusion table, frequency relation without the cell in confusion table to comprising it is small
Qu Jun is identical as same cell operation frequency;Frequency relation Lothrus apterus table and frequency relation are taken without the union of confusion table, obtains frequency
Rate relationship Lothrus apterus is without confusion table;It determines neighboring community, identical PCI cannot be used according to neighboring community, generate positional relationship
Lothrus apterus table, cell in positional relationship Lothrus apterus table to comprising subdistrict position it is adjacent;It determines adjacent with same cell small
Area cannot use identical PCI according to the cell adjacent with same cell, generate positional relationship without confusion table, positional relationship without
Cell in confusion table to comprising cell it is adjacent with same cell, according to migration efficiency location revision relationship without confusion table,
The cell pair that the cell that identical PCI is able to use under migration efficiency without removal in confusion table from positional relationship forms, is had
The positional relationship of strategy is without confusion table;The union of positional relationship Lothrus apterus table and diplomatic positional relationship without confusion table is taken, is obtained
To diplomatic positional relationship Lothrus apterus without confusion table;Take frequency relation Lothrus apterus without confusion table and diplomatic positional relationship without
Conflict the intersection without confusion table, obtains diplomatic frequency location relationship Lothrus apterus without confusion table;
PCI deployment unit is specifically used for disposing PCI without confusion table according to diplomatic frequency location relationship Lothrus apterus.
Relation table generation unit, specifically for being matched to obtain no confusion table to two Lothrus apterus tables, to two without punching
Prominent table carry out matching include: by each cell in the first Lothrus apterus table to respectively with each cell pair in the second Lothrus apterus table
It is matched, matching rule is to the cell in (i, k) and the second Lothrus apterus table in the cell in the first Lothrus apterus table to (k, j)
When matching, cell is obtained to (i, j);The whole cells pair that first Lothrus apterus table will be matched with the second Lothrus apterus table
Cell pair as no confusion table obtains no confusion table.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (26)
1. a kind of method for disposing Physical Cell Identifier, comprising:
The cell relations based on linear model are generated according to Lothrus apterus strategy and/or without aliasing strategy according to cell relations attribute
Table Property: indicates to influence PCI deployment wherein the linear model is expressed as LR (Property, seq, i, j, Policy)
Cell relations attribute, Seq: indicate the table sequence of cell relations table, i, j: indicate there are the serial number of the cell of relation on attributes,
Policy: indicate whether there is strategy;
Comprising one or more cells pair in the cell relations table, the cell to comprising cell cannot use same physical
Cell ID PCI;
PCI is affixed one's name to according to cell relations exterior portion, it is identical to be able to use for the PCI that the cell deployment of identical PCI cannot be used different
The identical PCI of the cell deployment of PCI;
The Lothrus apterus strategy refers to, for cell relations attribute, minizone can be made to clash when determining using identical PCI
Cell cannot use identical PCI;The no aliasing strategy refers to, for cell relations attribute, when determining using identical PCI
The cell that minizone can be made mutually to obscure cannot use identical PCI;
The cell relations table is comprising Lothrus apterus table, without confusion table and Lothrus apterus without confusion table, in which:
The Lothrus apterus table to be generated according to the Lothrus apterus strategy, the cell in the Lothrus apterus table to comprising cell exist
It can be clashed using when identical PCI;
The no confusion table to be generated according to the no aliasing strategy, the cell in the no confusion table to comprising cell exist
It can obscure using when identical PCI;
The Lothrus apterus is without confusion table for the Lothrus apterus table and without the union of confusion table.
2. the method as described in claim 1, it is characterised in that:
The cell relations attribute includes the frequency relation of cell;
It is described cell relations table to be generated, according to small according to Lothrus apterus strategy and/or without aliasing strategy according to cell relations attribute
Cell relation exterior portion affixes one's name to PCI, comprising: determines the identical cell of working frequency, cannot use phase according to the identical cell of working frequency
With PCI, generate frequency relation Lothrus apterus table, the cell in the frequency relation Lothrus apterus table to comprising cell work frequency
Rate is identical, affixes one's name to PCI according to frequency relation Lothrus apterus exterior portion.
3. the method as described in claim 1, it is characterised in that:
The cell relations attribute includes the frequency relation of cell;
It is described cell relations table to be generated, according to small according to Lothrus apterus strategy and/or without aliasing strategy according to cell relations attribute
Cell relation exterior portion affixes one's name to PCI, comprising: determine identical with same cell operation frequency cell, according to same cell operation frequency
Identical cell cannot use identical PCI, generate frequency relation without confusion table, the frequency relation is without the cell in confusion table
To comprising cell it is identical as same cell operation frequency, according to frequency relation without confusion table dispose PCI.
4. the method as described in claim 1, it is characterised in that:
The cell relations attribute includes the frequency relation of cell;
It is described cell relations table to be generated, according to small according to Lothrus apterus strategy and/or without aliasing strategy according to cell relations attribute
Cell relation exterior portion affixes one's name to PCI, comprising:
It determines the identical cell of working frequency, identical PCI cannot be used according to the identical cell of working frequency, frequency is generated and close
Be Lothrus apterus table, the cell in the frequency relation Lothrus apterus table to comprising cell working frequency it is identical;Also,
It determines cell identical with same cell operation frequency, cannot be used according to cell identical with same cell operation frequency
Identical PCI, generates frequency relation without confusion table, the frequency relation without the cell in confusion table to comprising cell with it is same
Cell operation frequency is identical;
The union of the frequency relation Lothrus apterus table and frequency relation without confusion table is taken, obtains frequency relation Lothrus apterus without obscuring
Table disposes PCI without confusion table according to frequency relation Lothrus apterus.
5. the method as described in claim 1, it is characterised in that:
The cell relations attribute includes the positional relationship of cell;
It is described cell relations table to be generated, according to small according to Lothrus apterus strategy and/or without aliasing strategy according to cell relations attribute
Cell relation exterior portion affixes one's name to PCI, comprising: determines neighboring community, cannot use identical PCI according to neighboring community, generate positional relationship
Lothrus apterus table, cell in the positional relationship Lothrus apterus table to comprising subdistrict position it is adjacent, according to positional relationship Lothrus apterus
Exterior portion affixes one's name to PCI.
6. the method as described in claim 1, it is characterised in that:
The cell relations attribute includes the positional relationship of cell;
It is described cell relations table to be generated, according to small according to Lothrus apterus strategy and/or without aliasing strategy according to cell relations attribute
Cell relation exterior portion affixes one's name to PCI, comprising: determines the cell adjacent with same cell, cannot be made according to the cell adjacent with same cell
With identical PCI, generate positional relationship without confusion table, the positional relationship without the cell in confusion table to comprising cell with
Same cell is adjacent, disposes PCI without confusion table according to positional relationship.
7. the method as described in claim 1, it is characterised in that:
The cell relations attribute includes the positional relationship of cell;It is described according to cell relations attribute, according to Lothrus apterus strategy and/
Or without aliasing strategy, cell relations table is generated, PCI is affixed one's name to according to cell relations exterior portion, comprising:
It determines neighboring community, identical PCI cannot be used according to neighboring community, generate positional relationship Lothrus apterus table, the position
Cell in relationship Lothrus apterus table to comprising subdistrict position it is adjacent;
It determines the cell adjacent with same cell, identical PCI cannot be used according to the cell adjacent with same cell, generate position
Relationship is set without confusion table, the positional relationship without the cell in confusion table to comprising cell it is adjacent with same cell;
The union of the positional relationship Lothrus apterus table and positional relationship without confusion table is taken, obtains positional relationship Lothrus apterus without obscuring
Table disposes PCI without confusion table according to positional relationship Lothrus apterus.
8. the method as described in claim 1, it is characterised in that:
The cell relations attribute includes the diplomatic positional relationship of cell;It is described according to cell relations attribute, according to no punching
Prominent strategy and/or without aliasing strategy, generates cell relations table, affixes one's name to PCI according to cell relations exterior portion, comprising:
It determines the cell adjacent with same cell, identical PCI cannot be used according to the cell adjacent with same cell, generate position
Relationship is set without confusion table, the positional relationship without the cell in confusion table to comprising cell it is adjacent with same cell;
The positional relationship is modified without confusion table, from the positional relationship without removal in confusion table in operation plan according to migration efficiency
It is slightly able to use the cell pair of the cell composition of identical PCI down, obtains diplomatic positional relationship without confusion table, is had according to described
The positional relationship of strategy is without confusion table PCI allocation.
9. method according to claim 8, which is characterized in that the positional relationship is modified without confusion table according to migration efficiency,
The cell pair that the cell that identical PCI is able to use under migration efficiency without removal in confusion table from the positional relationship forms, packet
It includes:
When the migration efficiency is that switching and reselection strategies are forbidden in minizone, phase is determined with the cell of gravity treatment according to forbidding switching
Adjacent cell pair, according to the neighboring community to determine first kind cell, the first kind cell include and neighboring community's centering
The adjacent cell of first community and the cell adjacent with the second community of neighboring community's centering, judge in first kind cell with
Whether the adjacent cell of one cell and second community are adjacent, if non-conterminous, from the positional relationship without removing in confusion table
The cell pair with the non-conterminous cell of second community and second community composition adjacent with first community in the first kind cell;And
And judge whether the cell adjacent with second community in the first kind cell and first community are adjacent, if non-conterminous,
It is adjacent with second community non-conterminous with first community in the first kind cell without being removed in confusion table from the positional relationship
The cell pair of cell and first community composition.
10. the method as described in claim 1, it is characterised in that:
The cell relations attribute includes the diplomatic positional relationship of cell;It is described according to cell relations attribute, according to no punching
Prominent strategy and/or without aliasing strategy, generates cell relations table, affixes one's name to PCI according to cell relations exterior portion, comprising:
It determines neighboring community, identical PCI cannot be used according to neighboring community, generate positional relationship Lothrus apterus table, the position
Cell in relationship Lothrus apterus table to comprising subdistrict position it is adjacent;
It determines the cell adjacent with same cell, identical PCI cannot be used according to the cell adjacent with same cell, generate position
Relationship is set without confusion table, the positional relationship without the cell in confusion table to comprising cell it is adjacent with same cell, according to
The migration efficiency modification positional relationship, can under migration efficiency without removal in confusion table from the positional relationship without confusion table
The cell pair formed using the cell of identical PCI, obtains diplomatic positional relationship without confusion table;
The union of the positional relationship Lothrus apterus table and diplomatic positional relationship without confusion table is taken, diplomatic position is obtained and closes
It is Lothrus apterus without confusion table, PCI is disposed without confusion table according to diplomatic positional relationship Lothrus apterus.
11. the method as described in claim 1, it is characterised in that:
The cell relations attribute includes the frequency location relationship of cell;It is described according to cell relations attribute, according to Lothrus apterus plan
Slightly and/or without aliasing strategy, cell relations table is generated, PCI is affixed one's name to according to cell relations exterior portion, comprising:
It determines the identical cell of working frequency, identical PCI cannot be used according to the identical cell of working frequency, frequency is generated and close
Be Lothrus apterus table, the cell in the frequency relation Lothrus apterus table to comprising cell working frequency it is identical;Also, determine with
The identical cell of same cell operation frequency cannot use identical PCI according to cell identical with same cell operation frequency,
Frequency relation is generated without confusion table, the frequency relation without the cell in confusion table to comprising cell with same cell operation
Frequency is identical;Take the union of the frequency relation Lothrus apterus table and frequency relation without confusion table, obtain frequency relation Lothrus apterus without
Confusion table;
It determines neighboring community, identical PCI cannot be used according to neighboring community, generate positional relationship Lothrus apterus table, the position
Cell in relationship Lothrus apterus table to comprising subdistrict position it is adjacent;Determine the cell adjacent with same cell, according to it is same
The adjacent cell of cell cannot use identical PCI, generate positional relationship without confusion table, the positional relationship is without in confusion table
Cell to comprising cell it is adjacent with same cell;Take the positional relationship Lothrus apterus table and positional relationship without confusion table and
Collection, obtains positional relationship Lothrus apterus without confusion table;
Intersection of the frequency relation Lothrus apterus without confusion table and positional relationship Lothrus apterus without confusion table is taken, frequency location pass is obtained
It is Lothrus apterus without confusion table, PCI is disposed without confusion table according to the frequency location relationship Lothrus apterus.
12. the method as described in claim 1, it is characterised in that:
The cell relations attribute includes the diplomatic frequency location relationship of cell;It is described according to cell relations attribute, according to
Lothrus apterus strategy and/or without aliasing strategy, generates cell relations table, affixes one's name to PCI according to cell relations exterior portion, comprising:
It determines the identical cell of working frequency, identical PCI cannot be used according to the identical cell of working frequency, frequency is generated and close
Be Lothrus apterus table, the cell in the frequency relation Lothrus apterus table to comprising cell operation frequency it is identical;Also, it is determining and same
The identical cell of one cell operation frequency cannot use identical PCI according to cell identical with same cell operation frequency, raw
At frequency relation without confusion table, the frequency relation without the cell in confusion table to comprising cell with same cell operation frequency
Rate is identical;The union of the frequency relation Lothrus apterus table and frequency relation without confusion table is taken, obtains frequency relation Lothrus apterus without mixed
Confuse table;
It determines neighboring community, identical PCI cannot be used according to neighboring community, generate positional relationship Lothrus apterus table, the position
Cell in relationship Lothrus apterus table to comprising subdistrict position it is adjacent;Determine the cell adjacent with same cell, according to it is same
The adjacent cell of cell cannot use identical PCI, generate positional relationship without confusion table, the positional relationship is without in confusion table
Cell to comprising cell it is adjacent with same cell, the positional relationship is modified without confusion table according to migration efficiency, from described
Positional relationship is able to use the cell pair of the cell composition of identical PCI without removal in confusion table under migration efficiency, has obtained plan
Positional relationship slightly is without confusion table;The union of the positional relationship Lothrus apterus table and diplomatic positional relationship without confusion table is taken,
Diplomatic positional relationship Lothrus apterus is obtained without confusion table;
It takes the frequency relation Lothrus apterus without confusion table and diplomatic intersection of the positional relationship Lothrus apterus without confusion table, is had
The frequency location relationship Lothrus apterus of strategy is disposed without confusion table, according to diplomatic frequency location relationship Lothrus apterus without confusion table
PCI。
13. the method as described in claim 1, it is characterised in that:
The no confusion table is to be matched to obtain to two Lothrus apterus tables, carries out matching packet to two Lothrus apterus tables
It includes: by each cell in the first Lothrus apterus table to respectively with each cell in the second Lothrus apterus table to matching, matching
Rule is to obtain small when the cell in the first Lothrus apterus table matches the cell in (i, k) and the second Lothrus apterus table to (k, j)
Area is the serial number of cell to (i, j), k;
By the whole cells matched to the first Lothrus apterus table with the second Lothrus apterus table to as the small of no confusion table
Area pair obtains the no confusion table.
14. a kind of device for disposing Physical Cell Identifier, comprising: relation table generation unit and Physical Cell Identifier PCI deployment are single
Member, in which:
The relation table generation unit is used for according to cell relations attribute, raw according to Lothrus apterus strategy and/or without aliasing strategy
At linear model cell relations table is based on, wherein the linear model is expressed as LR (Property, seq, i, j, Policy),
Property: it indicates to influence cell relations attribute, the Seq of PCI deployment: indicating table sequence, the i, j of cell relations table: indicating exist
The serial number of the cell of relation on attributes, Policy: indicate whether there is strategy;Comprising one or more small in the cell relations table
Area pair, the cell to comprising cell cannot use same physical cell ID PCI;
The PCI deployment unit, for affixing one's name to PCI according to cell relations exterior portion, for the cell deployment of identical PCI cannot be used different
PCI, the identical PCI of cell deployment to be able to use identical PCI;
The Lothrus apterus strategy refers to, for cell relations attribute, minizone can be made to clash when determining using identical PCI
Cell cannot use identical PCI;The no aliasing strategy refers to, for cell relations attribute, when determining using identical PCI
The cell that minizone can be made mutually to obscure cannot use identical PCI;
The cell relations table is comprising Lothrus apterus table, without confusion table and Lothrus apterus without confusion table, in which:
The Lothrus apterus table to be generated according to the Lothrus apterus strategy, the cell in the Lothrus apterus table to comprising cell exist
It can be clashed using when identical PCI;
The no confusion table to be generated according to the no aliasing strategy, the cell in the no confusion table to comprising cell exist
It can obscure using when identical PCI;
The Lothrus apterus is without confusion table for the Lothrus apterus table and without the union of confusion table.
15. device as claimed in claim 14, it is characterised in that:
The cell relations attribute includes the frequency relation of cell;
The relation table generation unit is specifically used for determining the identical cell of working frequency, according to the identical cell of working frequency
Identical PCI cannot be used, generate frequency relation Lothrus apterus table, the cell in the frequency relation Lothrus apterus table to comprising it is small
The working frequency in area is identical;
The PCI deployment unit is specifically used for affixing one's name to PCI according to frequency relation Lothrus apterus exterior portion.
16. device as claimed in claim 14, it is characterised in that:
The cell relations attribute includes the frequency relation of cell;
The relation table generation unit is specifically used for determining identical with same cell operation frequency cell, according to it is same small
Working frequency identical cell in area's cannot use identical PCI, generate frequency relation without confusion table, and the frequency relation is without obscuring
Cell in table to comprising cell it is identical as same cell operation frequency;
The PCI deployment unit is specifically used for disposing PCI without confusion table according to frequency relation.
17. device as claimed in claim 14, it is characterised in that:
The cell relations attribute includes the frequency relation of cell;
The relation table generation unit is specifically used for determining the identical cell of working frequency, according to the identical cell of working frequency
Identical PCI cannot be used, generate frequency relation Lothrus apterus table, the cell in the frequency relation Lothrus apterus table to comprising it is small
The working frequency in area is identical;Also, determine identical with same cell operation frequency cell, according to same cell operation frequency
Identical cell cannot use identical PCI, generate frequency relation without confusion table, the frequency relation is without the cell in confusion table
To comprising cell it is identical as same cell operation frequency;Take the frequency relation Lothrus apterus table and frequency relation without confusion table
Union obtains frequency relation Lothrus apterus without confusion table;
The PCI deployment unit is specifically used for disposing PCI without confusion table according to frequency relation Lothrus apterus.
18. device as claimed in claim 14, it is characterised in that:
The cell relations attribute includes the positional relationship of cell;
The relation table generation unit is specifically used for determining neighboring community, cannot use identical PCI according to neighboring community, raw
At positional relationship Lothrus apterus table, cell in the positional relationship Lothrus apterus table to comprising subdistrict position it is adjacent;
The PCI deployment unit is specifically used for affixing one's name to PCI according to positional relationship Lothrus apterus exterior portion.
19. device as claimed in claim 14, it is characterised in that:
The cell relations attribute includes the positional relationship of cell;
The relation table generation unit, specifically for determining the cell adjacent with same cell, according to adjacent with same cell
Cell cannot use identical PCI, generate positional relationship without confusion table, the positional relationship without the cell in confusion table to comprising
Cell it is adjacent with same cell;
The PCI deployment unit is specifically used for disposing PCI without confusion table according to positional relationship.
20. device as claimed in claim 14, it is characterised in that:
The cell relations attribute includes the positional relationship of cell;
The relation table generation unit is specifically used for determining neighboring community, cannot use identical PCI according to neighboring community, raw
At positional relationship Lothrus apterus table, cell in the positional relationship Lothrus apterus table to comprising subdistrict position it is adjacent;It is determining and same
The adjacent cell of one cell cannot use identical PCI according to the cell adjacent with same cell, generate positional relationship without obscuring
Table, the positional relationship without the cell in confusion table to comprising cell it is adjacent with same cell;Take the positional relationship without
The union of collision table and positional relationship without confusion table obtains positional relationship Lothrus apterus without confusion table;
The PCI deployment unit is specifically used for disposing PCI without confusion table according to positional relationship Lothrus apterus.
21. device as claimed in claim 14, it is characterised in that:
The cell relations attribute includes the diplomatic positional relationship of cell;
The relation table generation unit, specifically for determining the cell adjacent with same cell, according to adjacent with same cell
Cell cannot use identical PCI, generate positional relationship without confusion table, the positional relationship without the cell in confusion table to comprising
Cell it is adjacent with same cell;Modify the positional relationship without confusion table according to migration efficiency, from the positional relationship without
Removal is able to use the cell pair of the cell composition of identical PCI under migration efficiency in confusion table, obtains diplomatic position and closes
System is without confusion table;
The PCI deployment unit is specifically used for according to the diplomatic positional relationship without confusion table PCI allocation.
22. device as claimed in claim 21, it is characterised in that:
The relation table generation unit, specifically for being that switching is forbidden and when reselection strategies in minizone in the migration efficiency, root
According to forbidding switching and the cell of gravity treatment to determine neighboring community pair, according to the neighboring community to determining first kind cell, described the
A kind of cell includes the cell adjacent with the first community of neighboring community's centering and adjacent with the second community of neighboring community's centering
Cell, judge whether the cell adjacent with first community in first kind cell and second community adjacent, if non-conterminous,
It is adjacent with first community non-conterminous with second community in the first kind cell without being removed in confusion table from the positional relationship
The cell pair of cell and second community composition;Also, judge the cell adjacent with second community in the first kind cell with
Whether first community adjacent, if non-conterminous, from the positional relationship without removed in confusion table in the first kind cell with
The adjacent cell pair with the non-conterminous cell of first community and first community composition of second community.
23. device as claimed in claim 14, it is characterised in that:
The cell relations attribute includes the diplomatic positional relationship of cell;
The relation table generation unit is specifically used for determining neighboring community, cannot use identical PCI according to neighboring community, raw
At positional relationship Lothrus apterus table, cell in the positional relationship Lothrus apterus table to comprising subdistrict position it is adjacent;It is determining and same
The adjacent cell of one cell cannot use identical PCI according to the cell adjacent with same cell, generate positional relationship without obscuring
Table, the positional relationship without the cell in confusion table to comprising cell it is adjacent with same cell, modified according to migration efficiency
The positional relationship is able to use identical PCI without confusion table, from the positional relationship without removal in confusion table under migration efficiency
Cell composition cell pair, obtain diplomatic positional relationship without confusion table;It takes the positional relationship Lothrus apterus table and has plan
Union of the positional relationship without confusion table slightly, obtains diplomatic positional relationship Lothrus apterus without confusion table;
The PCI deployment unit is specifically used for disposing PCI without confusion table according to diplomatic positional relationship Lothrus apterus.
24. device as claimed in claim 14, it is characterised in that:
The cell relations attribute includes the frequency location relationship of cell;
The relation table generation unit is specifically used for determining the identical cell of working frequency, according to the identical cell of working frequency
Identical PCI cannot be used, generate frequency relation Lothrus apterus table, the cell in the frequency relation Lothrus apterus table to comprising it is small
The working frequency in area is identical;Also, determine identical with same cell operation frequency cell, according to same cell operation frequency
Identical cell cannot use identical PCI, generate frequency relation without confusion table, the frequency relation is without the cell in confusion table
To comprising cell it is identical as same cell operation frequency;Take the frequency relation Lothrus apterus table and frequency relation without confusion table
Union, obtain frequency relation Lothrus apterus without confusion table;It determines neighboring community, identical PCI cannot be used according to neighboring community,
Generate positional relationship Lothrus apterus table, the cell in the positional relationship Lothrus apterus table to comprising subdistrict position it is adjacent;Determine with
The adjacent cell of same cell cannot use identical PCI according to the cell adjacent with same cell, generate positional relationship without mixed
Confuse table, the positional relationship without the cell in confusion table to comprising cell it is adjacent with same cell;Take the positional relationship
The union of Lothrus apterus table and positional relationship without confusion table obtains positional relationship Lothrus apterus without confusion table;Take the frequency relation without
The intersection to conflict without confusion table and positional relationship Lothrus apterus without confusion table, obtains frequency location relationship Lothrus apterus without confusion table;
The PCI deployment unit is specifically used for disposing PCI without confusion table according to the frequency location relationship Lothrus apterus.
25. device as claimed in claim 14, it is characterised in that:
The cell relations attribute includes the diplomatic frequency location relationship of cell;
The relation table generation unit is specifically used for determining the identical cell of working frequency, according to the identical cell of working frequency
Identical PCI cannot be used, generate frequency relation Lothrus apterus table, the cell in the frequency relation Lothrus apterus table to comprising it is small
Area's working frequency is identical;Also, determine identical with same cell operation frequency cell, according to same cell operation frequency phase
Same cell cannot use identical PCI, generate frequency relation without confusion table, the frequency relation is without the cell pair in confusion table
The cell for including is identical as same cell operation frequency;Take the frequency relation Lothrus apterus table and frequency relation without confusion table
Union obtains frequency relation Lothrus apterus without confusion table;It determines neighboring community, identical PCI cannot be used according to neighboring community, it is raw
At positional relationship Lothrus apterus table, cell in the positional relationship Lothrus apterus table to comprising subdistrict position it is adjacent;It is determining and same
The adjacent cell of one cell cannot use identical PCI according to the cell adjacent with same cell, generate positional relationship without obscuring
Table, the positional relationship without the cell in confusion table to comprising cell it is adjacent with same cell, modified according to migration efficiency
The positional relationship is able to use identical PCI without confusion table, from the positional relationship without removal in confusion table under migration efficiency
Cell composition cell pair, obtain diplomatic positional relationship without confusion table;It takes the positional relationship Lothrus apterus table and has plan
Union of the positional relationship without confusion table slightly, obtains diplomatic positional relationship Lothrus apterus without confusion table;Take the frequency relation
Lothrus apterus obtains diplomatic frequency location relationship without confusion table and diplomatic intersection of the positional relationship Lothrus apterus without confusion table
Lothrus apterus is without confusion table;
The PCI deployment unit is specifically used for disposing PCI without confusion table according to diplomatic frequency location relationship Lothrus apterus.
26. device as claimed in claim 14, it is characterised in that:
The relation table generation unit is right specifically for being matched to obtain the no confusion table to two Lothrus apterus tables
It includes: by each cell in the first Lothrus apterus table to respectively and in the second Lothrus apterus table that two Lothrus apterus tables, which carry out matching,
Each cell to matching, matching rule is in the cell in the first Lothrus apterus table in (i, k) and the second Lothrus apterus table
Cell to (k, j) match when, obtain cell to (i, j);The first Lothrus apterus table will match with the second Lothrus apterus table
The whole cells arrived obtain the no confusion table to the cell pair as no confusion table, and k is the serial number of cell.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310077702.5A CN103200582B (en) | 2013-03-12 | 2013-03-12 | A kind of method and device for disposing Physical Cell Identifier |
PCT/CN2013/090945 WO2014139310A1 (en) | 2013-03-12 | 2013-12-30 | Method and apparatus for deploying physical cell identifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310077702.5A CN103200582B (en) | 2013-03-12 | 2013-03-12 | A kind of method and device for disposing Physical Cell Identifier |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103200582A CN103200582A (en) | 2013-07-10 |
CN103200582B true CN103200582B (en) | 2018-12-28 |
Family
ID=48722904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310077702.5A Active CN103200582B (en) | 2013-03-12 | 2013-03-12 | A kind of method and device for disposing Physical Cell Identifier |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN103200582B (en) |
WO (1) | WO2014139310A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103200582B (en) * | 2013-03-12 | 2018-12-28 | 中兴通讯股份有限公司 | A kind of method and device for disposing Physical Cell Identifier |
WO2015007301A1 (en) * | 2013-07-15 | 2015-01-22 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for reducing cell identifier conflicts when deploying a new cell into a telecommunications network |
WO2015157905A1 (en) * | 2014-04-15 | 2015-10-22 | 华为技术有限公司 | Network device and method for detecting confusion of pcis |
CN103906078B (en) * | 2014-04-29 | 2017-12-05 | 成都爱德华兹通信技术有限公司 | Relational matrix constructing system and method and PCI intelligent optimization systems and method |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101808372A (en) * | 2009-02-13 | 2010-08-18 | 大唐移动通信设备有限公司 | Method and device for determining identification reselection decision-making party of physical layer cell |
CN101888622A (en) * | 2009-05-14 | 2010-11-17 | 株式会社Ntt都科摩 | Method and device for distributing physical layer cell identifiers |
US20110038279A1 (en) * | 2009-08-17 | 2011-02-17 | Electronics And Telecommunications Research Institute | Apparatus and method for assigning pci of home base station |
CN101998352A (en) * | 2009-08-27 | 2011-03-30 | 三星电子株式会社 | Undirected connected graph coloration-based physical layer identification self-configuration method and equipment |
CN102651876A (en) * | 2011-02-24 | 2012-08-29 | 普天信息技术研究院有限公司 | Method and system for realizing configuration of physics community identifications (PCI) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103200582B (en) * | 2013-03-12 | 2018-12-28 | 中兴通讯股份有限公司 | A kind of method and device for disposing Physical Cell Identifier |
-
2013
- 2013-03-12 CN CN201310077702.5A patent/CN103200582B/en active Active
- 2013-12-30 WO PCT/CN2013/090945 patent/WO2014139310A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101808372A (en) * | 2009-02-13 | 2010-08-18 | 大唐移动通信设备有限公司 | Method and device for determining identification reselection decision-making party of physical layer cell |
CN101888622A (en) * | 2009-05-14 | 2010-11-17 | 株式会社Ntt都科摩 | Method and device for distributing physical layer cell identifiers |
US20110038279A1 (en) * | 2009-08-17 | 2011-02-17 | Electronics And Telecommunications Research Institute | Apparatus and method for assigning pci of home base station |
CN101998352A (en) * | 2009-08-27 | 2011-03-30 | 三星电子株式会社 | Undirected connected graph coloration-based physical layer identification self-configuration method and equipment |
CN102651876A (en) * | 2011-02-24 | 2012-08-29 | 普天信息技术研究院有限公司 | Method and system for realizing configuration of physics community identifications (PCI) |
Also Published As
Publication number | Publication date |
---|---|
CN103200582A (en) | 2013-07-10 |
WO2014139310A1 (en) | 2014-09-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101888622B (en) | Method and device for distributing physical layer cell identifiers | |
US10505807B2 (en) | Network coordination apparatus | |
CN103391584B (en) | Interference mitigation method in cellular radio and the equipment of use the method | |
CN103200582B (en) | A kind of method and device for disposing Physical Cell Identifier | |
Ahmed et al. | Distributed graph coloring for self‐organization in LTE Networks | |
CN111565398B (en) | Communication method, device, system and storage medium | |
CN104780547A (en) | Method and device for determining working frequency points of cells | |
Celebi et al. | Load analysis and sleep mode optimization for energy-efficient 5G small cell networks | |
Pratap et al. | Randomized graph coloring algorithm for physical cell ID assignment in LTE-a femtocellular networks | |
US9699661B2 (en) | Method and apparatus for PCI classified self-configuration | |
Ahmed et al. | Self organized physical cell ID assignment in multi-operator heterogeneous networks | |
CN101998352A (en) | Undirected connected graph coloration-based physical layer identification self-configuration method and equipment | |
Li et al. | Impacts of topology and traffic pattern on capacity of hybrid wireless networks | |
US10028273B2 (en) | Method for interference coordination, network server and communication system using the same | |
CN114449601A (en) | Method and device for sharing traffic under networking | |
CN104053159B (en) | The frequency collocation method and device of a kind of Multi-Carrier basestation | |
Abdulkareem et al. | Matrix based graph coloring algorithm for LTE-PCI assignment and reassignment reduction | |
Nyberg | Physical cell id allocation in cellular networks | |
CN103686675A (en) | Method and device for adjacent region configuration | |
KR20230132434A (en) | System and method for enabling self-configuring networks in open RAN | |
Krichen et al. | Performances evaluation of different algorithms for PCIs self configuration in LTE | |
WO2022027502A1 (en) | Inter-cell load balancing method and apparatus | |
Sedlacek et al. | Analysis of neighbourhood relations for femtocell networks | |
Zakrzewska et al. | Cell ID management in multi-vendor and multi-rat heterogeneous networks | |
Diab et al. | Comparative evaluation of distributed physical cell identity assignment schemes for LTE-advanced systems |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |