CN103188750B - Switching method, node and system - Google Patents
Switching method, node and system Download PDFInfo
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- CN103188750B CN103188750B CN201110456348.8A CN201110456348A CN103188750B CN 103188750 B CN103188750 B CN 103188750B CN 201110456348 A CN201110456348 A CN 201110456348A CN 103188750 B CN103188750 B CN 103188750B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
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Abstract
The invention discloses a switching method, a node and a system and relates to the field of communication technology. The efficiency and the success rate of cell switching can be improved. The switching method includes the following steps: target cell set identification is confirmed according to a target cell scrambling code in a measurement report of user equipment (UE); and the target cell set identification is sent to a target node, so that the target node confirms a candidate target cell set according to the target cell set identification. The embodiment of the switching method, the node and the system is mainly used for a process of switching cells by the UE.
Description
Technical field
The present invention relates to wireless communication field, more particularly to a kind of changing method, node and system.
Background technology
Wireless communication field is faced with the pressure that data service blast increases, and transmits into improve network capacity and reduction
This, proposes in the industry a kind of heterogeneous network (Heterogeneous Network, Hetnet) technology.Hetnet is by multiple differences
Size, different types of cell are constituted together, including：Macrocell (Macro cell) and micro- class cell.Wherein micro- class cell bag
Include：Microcell (Micro cell), picocell (Pico Cell), Femto cell (Femto Cell), far end radio frequency head
Cell of (Remote Radio Head, RRH) form etc..By for the more micro- class cell of the intensive regional deployment of traffic, can
To effectively improve the network capacity in the region, and micro- class cell because scale it is less, its construction cost (Capital
Expenditure, Capax) and operation cost (Operating Expense, Opex) all than relatively low, therefore Hetnet is subject to crowd
The attention of multi-operator, is an important directions of wireless network evolution.
Switching from macrocell to micro- class cell refers to that user equipment (User Equipment, UE) resides in macrocell
Meanwhile, service quality report can be sent to source node, source node can be by the UE from the grand little of current service according to service quality
Area is switched to service quality preferably other micro- class cells.
In prior art, as traditional UE does not possess the ability for reading adjacent area system information, UE can only be in the control of source
The scrambler of report Target cell, without reporting Target Cell Identifier.And micro- class adjacent area quantity of macrocell is a lot, it is available for micro- class little
The scrambler that area uses is very limited, therefore multiple micro- class cells are likely to reuse identical scrambler (Primary Scrambling
Code, PSC).
Therefore, when source node receives the scrambler of the Target cell that UE is reported, the scrambler may to there is multiple micro- class cells,
Therefore Target cell cannot be determined, cannot also determines the Target cell set of candidate.Source node is adjacent with all according to the scrambler
The scrambler of micro- class cell is compared, and sets up request message to one of the micro- class cell matched with scrambler transmission link, it is likely that
The cell of mistake can be caused to be switched to, it is difficult to which UE is successfully switched to Target cell by guarantee.
The content of the invention
The many aspects of the present invention provide a kind of changing method, node and system, it is possible to increase the efficiency of cell switching and
Success rate.
An aspect of of the present present invention provides a kind of changing method, including：According to the target in the measurement report of user equipment (UE)
Cell scrambling determines Target cell set identification；The Target cell set identification is sent to into destination node, so as to the mesh
Mark node determines the Target cell set of candidate according to the Target cell set identification.
Another aspect of the present invention provides a kind of changing method, including：Receive the Target cell set mark that source node sends
Know, Target cell set is determined according to the Target cell set identification；The selection target cell in the Target cell set,
Complete switching flow.
Another aspect of the present invention provides a kind of source node, including：Target cell set identification unit, for according to user
Target cell scrambler in the measurement report of equipment UE determines Target cell set identification；Transmitting element, for by the target
Set of cells mark unit generate the Target cell set identification be sent to destination node, so as to the destination node according to
The Target cell set identification determines the Target cell set of candidate.
Another aspect of the present invention provides a kind of destination node, including：Target cell set determining unit, for receiving source
The Target cell set identification that node sends, determines the Target cell set of candidate according to the Target cell set identification；Mesh
Mark cell selection unit, for the selection target in the Target cell set that the Target cell set determining unit determines
Cell, completes switching flow.
Another aspect of the present invention provides a kind of switched system, it is characterised in that include：Source node and destination node.
The source node, determines Target cell collection for the Target cell scrambler in the measurement report according to user equipment (UE)
Close mark；The Target cell set identification is sent to into destination node, so that the destination node is according to the Target cell
Set identification determines the Target cell set of candidate.
The destination node, for receiving the Target cell set identification of source node transmission, according to the Target cell collection
Close the Target cell set that mark determines candidate；The selection target cell in the Target cell set, completes switching flow.
The changing method of foregoing description, node and system, can reduce the scope of the Target cell of candidate, improve cell and cut
The success rate changed.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the changing method flow chart of source node side in one embodiment of the invention；
Fig. 2 is the changing method flow chart of destination node side in another embodiment of the present invention；
Fig. 3 is the changing method flow chart of source node side in another embodiment of the present invention；
Fig. 4 is the changing method flow chart of destination node side in another embodiment of the present invention；
Fig. 5 is the changing method flow chart of another kind of source node side in another embodiment of the present invention；
Fig. 6 is the changing method flow chart in another embodiment of the present invention；
Fig. 7 is a kind of source node composition schematic diagram in another embodiment of the present invention；
Fig. 8 is another kind of source node composition schematic diagram in another embodiment of the present invention；
Fig. 9 is another kind of source node composition schematic diagram in another embodiment of the present invention；
Figure 10 is a kind of destination node composition schematic diagram in another embodiment of the present invention；
Figure 11 is another kind of destination node composition schematic diagram in another embodiment of the present invention；
Figure 12 is the switched system composition schematic diagram in another embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The techniques described herein may be used in various communication systems, such as current 2G, 3G communication systems and next generation communication
System, such as global system for mobile communications (GSM, Global System for Mobile communications), code division is more
Location (CDMA, Code Division Multiple Access) system, time division multiple acess (TDMA, Time Division
Multiple Access) system, WCDMA (WCDMA, Wideband Code Division Multiple
Access Wireless), frequency division multiple access (FDMA, Frequency Division Multiple Addressing) system, just
Hand over frequency division multiple access (OFDMA, Orthogonal Frequency-Division Multiple Access) system, single carrier
FDMA (SC-FDMA) system, GPRS (general packet radio service) (GPRS, General Packet Radio Service) system are long
Phase evolution (LTE, Long Term Evolution) system, and other such communication systems.
Various aspects are described herein in connection with terminal and/or base station and/or base station controller.
User equipment, can be wireless terminal can also be catv terminal, wireless terminal may refer to provide a user with language
The equipment of sound and/or data connectivity, the portable equipment with wireless connecting function or is connected to radio modem
Other processing equipments.Wireless terminal can with Jing wireless access networks (for example, RAN, Radio Access Network) with one or
Multiple core nets are communicated, and wireless terminal can be mobile terminal, such as mobile phone (or be referred to as " honeycomb " phone) and are had
The computer of mobile terminal, for example, it may be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile dress
Put, they exchange language and/or data with wireless access network.For example, PCS (PCS, Personal
Communication Service) phone, wireless phone, Session initiation Protocol (SIP) phone, WLL (WLL,
Wireless Local Loop) stand, the equipment such as personal digital assistant (PDA, Personal Digital Assistant).Nothing
Line terminal is referred to as system, subscri er unit (Subscriber Unit), subscriber station (Subscriber Station), moves
Dynamic station (Mobile Station), mobile station (Mobile), distant station (Remote Station), access point (Access
Point), remote terminal (Remote Terminal), access terminal (Access Terminal), user terminal (User
Terminal), user agent (User Agent), user equipment (User Device), or subscriber's installation (User
Equipment)。
Base station (for example, access point) may refer in access network on interface in the air by one or more sectors with it is wireless
The equipment of terminal communication.Base station can be used for the air frame that will receive and mutually be changed with IP packets, as wireless terminal with connect
The remainder of the router between the remainder of networking, wherein access network may include Internet protocol (IP) network.Base station is also
Attribute management of the tunable to air interface.For example, base station can be base station (BTS, the Base in GSM or CDMA
Transceiver Station), or WCDMA in base station (NodeB), can also be the evolved base station in LTE
(NodeB or eNB or e-NodeB, evolutional Node B), the present invention are not limited.
Source node and destination node, can be base station controller (BSC, the base station in GSM or CDMA
Controller the radio network controller (RNC Radio Network Controller)), or in WCDMA, this
Invention is not limited.
In addition, the terms " system " and " network " are often used interchangeably herein.The terms " and/
Or ", only a kind of incidence relation of description affiliated partner, represents there may be three kinds of relations, and for example, A and/or B can be with table
Show：Individualism A, while there is A and B, individualism B these three situations.In addition, character "/" herein, before and after typicallying represent
Affiliated partner is a kind of relation of "or".
One embodiment of the invention provides a kind of changing method, can be applicable to source node side, as shown in Figure 1.
101st, source node determines Target cell set mark according to the Target cell scrambler in the measurement report of user equipment (UE)
Know.
In the present embodiment, according to the Target cell scrambler in the measurement report of user equipment (UE), source node determines that target is little
The method of area's set identification can be：Target cell set identification is generated according to Target cell scrambler and serving macro-cell mark；
Can also be：According to Target cell scrambler and the Neighboring Cell List being pre-configured with, Target cell set identification is obtained.For example, in source
Be provided with macrocell identification index table and micro- class cell scrambling concordance list on node in advance.Include in the macrocell identification index table
The corresponding macrocell mark of each macrocell of source node control, and with each macrocell corresponding macrocell of mark
Index value.In micro- class cell scrambling concordance list comprising with any one the adjacent micro- class in the macrocell that the source node is controlled
The scrambler of cell, and scrambler index value corresponding with each micro- class cell scrambling.Wherein each scrambler may be simultaneously by multiple
Micro- class cell is shared, and adjacent with the same macrocell on the source node and multiple micro- class cell with identical scrambler can claim
For a micro- class set of cells.
Wherein, the corresponding serving macro-cell in serving macro-cell that the Target cell scrambler and UE for being sent according to UE is currently located
Mark, searches the macrocell identification index table and micro- class cell scrambling concordance list being pre-configured with respectively, determines corresponding macrocell
Index value and scrambler index value, generate Target cell set identification according to the macrocell index value and scrambler index value.The mesh
Mark set of cells mark it is corresponding be one group of candidate micro- class set of cells, destination node can be from micro- class set of cells of candidate
Middle selection Target cell.
In the present embodiment, micro- class set of cells mark configuring neighbor cell list can also be previously generated on the source node,
Wherein each macrocell correspondence is configured with a Neighboring Cell List.For example, in the Neighboring Cell List of serving macro-cell comprising with the clothes
Business macrocell is adjacent and the corresponding micro- class set of cells mark of micro- class set of cells of shared identical scrambler, destination node marking etc.
Information.The Neighboring Cell List is inquired about according to Target cell scrambler and just can obtain corresponding Target cell set identification.In addition, source section
Point can be to receive Neighboring Cell List from network management system, and the Neighboring Cell List includes Target cell set identification.The network management system
It is the functional software in Radio Network System, the configuration informations such as Neighboring Cell List can be stored in any in Radio Network System
The memory space of node, base station or other equipment, so that source node or destination node obtain Neighboring Cell List.
It should be noted that the source node can be radio network controller (Radio Network Controller,
RNC) or micro- class cell gateway, such as Microcell gateway, picocell gateway, Femto cell gateway etc..
102nd, the Target cell set identification is sent to destination node by source node, so that the destination node is according to institute
State the Target cell set that Target cell set identification determines candidate.
For example, the method that the Target cell set identification is sent to destination node can be by source node：Source node is straight
Connected control unit interface and request message was set up to destination node transmission link, in the request for building link message carried mesh
Mark set of cells mark.In another embodiment of the present invention, the Target cell set identification is sent to target section by source node
Point method can also be：Source node initiates handover request message to core net, then sends out the handover request message by core net
Destination node is given, the handover request message can be RELOCATION REQUEST message or cell handover request message etc..
Another embodiment of the present invention also provides a kind of changing method, can be applicable to destination node side, as shown in Figure 2.
201st, destination node receives the Target cell set identification that source node sends, according to the Target cell set identification
Determine the Target cell set of candidate.
Wherein, destination node receives the Target cell set identification that source node sends, according to the Target cell set mark
Know the Target cell set for determining candidate.For example, micro- class cell identification list, micro- class can be pre-configured with the target node
Comprising the micro- class set of cells mark being made up of macrocell index value and scrambler index value in cell identification list, and each is micro-
Class set of cells identifies corresponding micro- class set of cells.Target cell set is adjacent with same macrocell and shared identical disturbs
Multiple micro- class cell of code, by micro- class cell ID record of above-mentioned multiple micro- class cells in micro- class cell identification list, because
This micro- class set of cells mark in micro- class cell identification list can correspond to multiple micro- class cell IDs.Determine the mesh of candidate
Mark set of cells method can be：By the micro- class in the Target cell set identification for receiving and micro- class cell identification list
Set of cells mark is compared, and the micro- class set of cells for obtaining matching identifies corresponding at least one micro- class cell ID, so as to true
Determine the Target cell set of candidate.Generally each micro- class set of cells mark can be to there is multiple micro- class cell IDs, and this is slightly
The corresponding micro- class cell of class cell ID is adjacent with same macrocell, and shared identical scrambler.
202nd, destination node selection target cell in the Target cell set, completes switching flow.
Wherein, destination node can send quality testing instruction to the micro- class cell of each in Target cell set, with
Just the service quality of the to be switched UE of each micro- class cell detection, just may be selected suitable micro- class according to the testing result of service quality
Cell is used as Target cell.In follow-up switching flow, request message is set up to Target cell transmission link, Jing after many interactions
UE is switched in Target cell and is worked on.
According to the Target cell scrambler in the measurement report of UE, changing method provided in an embodiment of the present invention, determines that target is little
Area's set identification, determines the Target cell set of candidate according to the Target cell set identification, and then from Target cell set
Filter out Target cell, with one micro- class cell corresponding with scrambler of stochastic searching in prior art as Target cell method
Compare, the scope of the Target cell of candidate can be reduced, improve the efficiency of cell switching, and can be from Target cell set
Satisfactory Target cell is filtered out, the success rate of cell switching is improved.
Further embodiment of this invention provides a kind of changing method, is applied to source node side, as shown in Figure 3.
301st, macrocell identity map is corresponding macrocell index value by source node, configures the macrocell identification index
Table.
Wherein, macrocell identity map is corresponding macrocell index value by source node, is configured the macrocell and is identified rope
The method for drawing table can be：According to default macrocell queueing discipline, the corresponding macrocell mark of macrocell that source node is controlled
Knowledge is mapped as corresponding macrocell index value, configures the macrocell identification index table.For example, it is configured with multiple grand on source node
Cell, obtains the corresponding macrocell mark of each macrocell, macrocell mark is carried out according to default macrocell queueing discipline
Sequence, is mapped as macrocell index value in order successively to each macrocell mark after sequence.For example, as shown in table 1, wireless
Macrocell mark generally 28 in communication protocol, the digit of macrocell index value can be set according to actual needs, and such as 4
Position, 8,12 etc..Macrocell index value is set as into 12 in table 1, each macrocell index value identifies one with macrocell
One correspondence.
| Macrocell index value (12bit) | Macrocell identifies (28bit) |
| 0000 0000 0001 | Macrocell mark 1 |
| 0000 0000 0002 | Macrocell mark 2 |
Table 1
In addition, default macrocell queueing discipline can be the numerical values recited row from small to large identified according to macrocell
Sequence, or the numerical values recited identified according to macrocell is sorted from big to small.Default macrocell queueing discipline can also be
Other sort methods, the embodiment of the present invention no longer will be illustrated one by one.
It should be noted that the script that can be arranged sequence and generate list automatically configures the macrocell identification index table,
Can also the human configuration macrocell identification index table, but mapping relations and mesh in the macrocell identification index table on source node
The mapping relations in macrocell identification index table on mark node are identicals.
302nd, micro- class cell scrambling is mapped as corresponding scrambler index value by source node, configures the scrambling code identification index
Table.
Wherein, micro- class cell scrambling is mapped as corresponding scrambler index value by source node, configures the scrambling code identification index
The method of table can be：According to default micro- class cell queueing discipline, the micro- class cell scrambling for detecting is mapped as corresponding
Scrambler index value, configures the scrambling code identification concordance list.Specifically, source node is obtained from webmaster or connected micro- class cell gateway
Adjacent micro- class cell scrambling is configured to adjacent micro- class cell scrambling, or source control, each scrambler may be by multiple micro- classes
Cell is shared, and micro- class cell scrambling is ranked up according to default micro- class cell queueing discipline, little to each micro- class after sequence
Area's scrambler is mapped as scrambler index value in order successively.For example, as shown in table 2, micro- class cell scrambling in wireless communication protocol
Generally 9, corresponding scrambler index value can also be set according to actual needs, and length and the macrocell of scrambler index value are indexed
The length sum of value, is the digit of micro- class set of cells mark, therefore the length of scrambler index value can be by micro- class cell set
The digit of conjunction mark deducts the digit of macrocell index value and is calculated.For example, micro- class set of cells in wireless communication protocol
The length of mark is 16, and macrocell index value set in advance is 12, then the length of scrambler index value can be then 4
Position.
| Scrambler index value (4bit) | Micro- class cell scrambling (9bit) |
| 0001 | Scrambler 1 |
| 0002 | Scrambler 2 |
Table 2
In addition, default micro- class cell queueing discipline can be according to micro- class cell scrambling numerical values recited from small to large
Sequence, or the numerical values recited according to micro- class cell scrambling is sorted from big to small.Default micro- class cell queueing discipline is also
Can be other sort methods, the embodiment of the present invention no longer will be illustrated one by one.
It should be noted that the script that can be arranged sequence and generate scrambling code identification concordance list automatically configures the scrambling code identification
Concordance list, it is also possible to the human configuration scrambling code identification concordance list, but the mapping relations in the scrambling code identification concordance list on source node
It is identical with the mapping relations in the scrambling code identification concordance list on destination node.
In the present embodiment, the macrocell identification index table being pre-configured with and there can be two after scrambling code identification concordance list
The method for obtaining Target cell set identification is planted, a kind of method is macrocell identification index table to be inquired about in pre-provisioning procedure and is disturbed
Code identification index table generates micro- class set of cells mark, configuring neighbor cell list, so as to direct after Target cell scrambler is received
Target cell set identification is obtained according to Target cell scrambler and Neighboring Cell List；Another kind is that macrocell is inquired about in handoff procedure
Identification index table and scrambling code identification concordance list, generate Target cell set identification.
Hereinafter first introduce and macrocell identification index table and scrambling code identification concordance list are inquired about in handoff procedure, generate target little
The method flow of area's set identification：
In the present embodiment, step 301-302 is the pre-provisioning procedure of relevant entries on source node, below on source node
Handover operation is specifically described.
303rd, the measurement report that source node receive user equipment UE sends, disturbs comprising Target cell in the measurement report
Code.
Wherein, UE itself has the function of the scrambler of measurement neighbor cell, can be according to UE places cell and neighbor cell
Service quality be compared, it is determined that switching Target cell, Target cell scrambler is reported into source in the form of measurement report
Node.The measurement report can be quality testing report etc..Due to the restriction of UE functions, target is only carried in measurement report little
Area's scrambler, and do not include Target Cell Identifier.Source node is after the measurement report for receiving UE transmissions, grand according to service that UE is located
The Target cell scrambler included in the identification information and measurement report of cell, can by UE be switched to it is adjacent with serving macro-cell simultaneously
Using in micro- class cell of the Target cell scrambler.
304th, source node determines target scrambler index value according to scrambling code identification concordance list and the Target cell scrambler, wherein
Comprising micro- class cell scrambling and the corresponding scrambler index value of each micro- class cell scrambling in the scrambling code identification concordance list.
Wherein, source node determines the side of target scrambler index value according to scrambling code identification concordance list and the Target cell scrambler
Method can be：According to the scrambling code identification concordance list that Target cell scrambler inquiry is pre-configured with, target scrambler index value is determined.
The building form of target scrambler index value is identical with the building form of the scrambler index value in scrambling code identification concordance list.For example, will
The Target cell scrambler for receiving is compared with micro- class cell scrambling in table 2, with wherein one micro- class cell scrambling after the match is successful,
The corresponding scrambler index value of micro- class cell scrambling of matching is obtained, the scrambler index value is exactly target scrambler index value.
305th, source node determines serving macro-cell rope according to the serving macro-cell of cell ID concordance list and UE mark
Draw value, wherein corresponding macrocell index is identified comprising macrocell mark and each macrocell in the macrocell identification index table
Value.
Wherein, source node determines serving macro-cell rope according to the serving macro-cell of cell ID concordance list and UE mark
The method for drawing value can be：The macrocell identification index table that inquiry is pre-configured with is identified according to the serving macro-cell of the UE, really
Determine serving macro-cell index value.Macrocell mark in the building form and macrocell identification index table of serving macro-cell index value
The building form of index value is identical.For example, source node can determine the macrocell that UE is currently located, and obtain corresponding service grand little
Area identifies, and serving macro-cell is identified and is compared with the macrocell mark in table 1, and the match is successful with wherein one macrocell mark
Afterwards, the macrocell for obtaining matching identifies corresponding macrocell index value, and the macrocell index value is exactly serving macro-cell index value.
306th, source node generates Target cell set mark according to the target scrambler index value and serving macro-cell index value
Know.
Wherein, the flow process for generating Target cell set identification is specially：The serving macro-cell that source node obtains UE is corresponding
Serving macro-cell identifies, and Target cell scrambler is obtained from the measurement report of UE, looks into macrocell identification index table and obtains servicing grand
The corresponding serving macro-cell index value of cell ID, looks into scrambling code identification concordance list and obtains target scrambler index value, scrambler is indexed
Value and the combination of serving macro-cell index value, generate Target cell set identification.For example, as shown in table 3, in wireless communication protocol
The length of one Target cell set identification is 16, is made up of two parts, is the target scrambler index value and 12 of 4 respectively
The serving macro-cell index value of position, the precedence relationship of above-mentioned two index value can be made an appointment, and the present embodiment is not limited.
| Macrocell index value (12bits) | Scrambler index value (4bits) |
| 0000 0000 0001 | 0001 |
| 0000 0000 0001 | 0002 |
Table 3
For example, look into Tables 1 and 2 and obtain target scrambler index value 0001 and serving macro-cell index value 00,000,000 0001,
Target cell set identification 0,000 0,000 0,001 0001 can then be obtained.
307th, the Target cell set identification is sent to destination node by source node, so that the destination node is according to institute
State the Target cell set that Target cell set identification determines candidate.
Wherein, the method that the Target cell set identification is sent to destination node can be by source node：To the mesh
Mark node transmission link sets up request message, and the Target cell set identification is carried in the request for building link message.
In another embodiment of the invention, the method that the Target cell set identification is sent to destination node by source node can also
For：Handover request message is sent to the destination node, the handover request message can be handed down to destination node via core net,
Can be RELOCATION REQUEST message or cell handover request message etc., in the handover request message, carry the Target cell
Set identification.
In another kind of application scenarios of the embodiment of the present invention, rope can be identified so that macrocell is inquired about in pre-provisioning procedure
Draw table and scrambling code identification concordance list and generate micro- class set of cells mark, configuring neighbor cell list, so as to disturb receiving Target cell
Target cell set identification is obtained according to Target cell scrambler and Neighboring Cell List directly after code.As shown in figure 4, in source node side,
Changing method can also include：
308th, source node is disturbed according to macrocell mark, the corresponding micro- class cell of micro- class cell adjacent with the macrocell
Code, the macrocell identification index table and the scrambling code identification concordance list, generate micro- class set of cells mark, configuring adjacent cell row
Table.
Wherein, comprising the micro- class cell corresponding micro- class cell scrambling adjacent with macrocell and institute in the Neighboring Cell List
State the corresponding micro- class set of cells mark of micro- class cell scrambling.According to the corresponding macrocell mark of macrocell on source node and with
The corresponding micro- class cell scrambling of the adjacent micro- class cell of each macrocell, inquires about the macrocell identification index table and described respectively
Scrambling code identification concordance list, and the macrocell index value that obtains of query composition and micro- class cell index value generate micro- class set of cells mark
Know, the micro- class set of cells mark for generating is written in Neighboring Cell List corresponding with micro- class cell scrambling.Generate micro- class cell set
The flow process for closing mark is identical with the method that Target cell set identification is generated in step 306, specially：Obtain grand on source node
Cell ID and the micro- class cell scrambling adjacent with macrocell, look into macrocell identification index table obtain macrocell mark it is corresponding grand
Cell index value, looks into scrambling code identification concordance list and obtains scrambler index value, by micro- class cell corresponding scrambler index value, and micro- class
The corresponding macrocell index value combination of macrocell that cell is located, generates micro- class set of cells mark.
Wherein, to there is a Neighboring Cell List, it is grand with same that micro- class set of cells mark is corresponding to each macrocell
Cell is adjacent and multiple micro- class cell of shared identical scrambler, i.e., micro- class set of cells.For example, it is grand little for one as shown in table 4
The Neighboring Cell List in area, identifies according to micro- class set of cells that the mark of the scrambler and the macrocell of adjacent micro- class cell is generated, often
One micro- class set of cells mark of individual micro- class cell scrambling correspondence.
| Micro- class cell scrambling | Node ID | Micro- class set of cells identifies (16bits) |
| 0001 | Node ID 1 | 0000 0000 0001 0001 |
| 0002 | Node ID 1 | 0000 0000 0001 0002 |
Table 4
In addition, in current wireless network architecture, the adjacent destination node of each source node only one of which, when need into
Target cell set identification can be sent to into unique correspondence directly without the ID of lookup destination node during row handover operation
Destination node.If it is understood that in the other application scene of the embodiment of the present invention, source node has multiple adjacent mesh
During mark node, the corresponding destination node ID of each micro- class cell scrambling can be stored in advance in the neighbor list, so as in switching
During according to Target cell scrambler and Neighboring Cell List, can both obtain destination node ID, Target cell set can have been obtained again
Mark.
In another kind of application scenarios of the embodiment of the present invention, it would however also be possible to employ following methods alternative steps 308 configure neighbour
Area's list, the method for the configuring neighbor cell list is：The corresponding Target cell set mark of micro- class cell scrambling is received from network management system
Know, configuring neighbor cell list, or directly the configured Neighboring Cell List for completing is received from network management system.
309th, source node obtains Target cell set identification according to Target cell scrambler and the Neighboring Cell List.
Wherein, according to the method for Target cell scrambler and Neighboring Cell List acquisition Target cell set identification can be：
According to the Neighboring Cell List that Target cell set identification inquiry is pre-configured with, corresponding Target cell set identification is obtained.Tool
Body, the Target cell scrambler received in step 303 is compared with the micro- class cell scrambling in Neighboring Cell List, is obtained and target
The corresponding micro- class set of cells mark of micro- class cell scrambling of cell scrambling matching, it is little that micro- class set of cells mark is target
Area's set identification.For example, according to 0001 inquiry table 4 of Target cell scrambler, obtain corresponding Target cell set identification 0000
0000 0,001 0001, or node ID 1 can also be obtained simultaneously.Then the Target cell set identification for getting is sent to
Destination node.
Another embodiment of the present invention also provides a kind of changing method, is applied to destination node side, as shown in figure 5, the method
Including：
401st, macrocell identity map is corresponding macrocell index value by destination node, is configured the macrocell and is identified rope
Draw table.
Specifically, can be corresponding grand little by adjacent macro cell identity map according to default macrocell queueing discipline
Area's index value, configures macrocell identification index table.Wherein, macrocell mark can be configured on the target node, it is also possible to
It is that the micro- class cell detection of target reports destination node to after adjacent macro cell.
Wherein, on destination node in the collocation method of macrocell queueing discipline and macrocell identification index table and step 301
The collocation method of macrocell identification index table is identical, both can be configured by script, it is also possible to human configuration, and configure generation
Source node on and destination node on macrocell identification index table in mapping relations must be identical, could so connect
After receiving the Target cell set identification of source node transmission, corresponding micro- class set of cells is found on the target node.Example
Such as, if the macrocell identification index table configured on source node is table 1, on destination node, configure the macrocell identification index for obtaining
The content of table is also with table 1.
402nd, the micro- class cell corresponding micro- class cell scrambling adjacent with the macrocell is mapped as correspondence by destination node
Scrambler index value, configure the scrambling code identification concordance list.
Specifically, destination node can be according to default micro- class cell queueing discipline, and it is right that micro- class cell scrambling is mapped as
The scrambler index value answered, configures scrambling code identification concordance list.Wherein, micro- class cell scrambling can be configured on the target node,
Can also micro- class cell report to destination node.
Wherein, on destination node in the collocation method of micro- class cell queueing discipline and scrambling code identification concordance list and step 302
The collocation method of scrambling code identification concordance list is identical, and configures the macrocell mark rope on the source node of generation and on destination node
It must be identical to draw the mapping relations in table, and the embodiment of the present invention will not be described in great detail here.For example, if configuring on source node
Scrambling code identification concordance list is table 2, then the content of the scrambling code identification concordance list for obtaining is configured on destination node also with table 2.
403rd, destination node identified according to the macrocell, micro- class cell scrambling of adjacent micro- class cell, the scrambler mark
Know concordance list and the macrocell identification index table, generate micro- class set of cells mark, according to micro- class cell ID and described micro-
Class set of cells mark configuration micro- class cell identification list.
Wherein, destination node inquires about scrambling code identification concordance list and grand little respectively according to micro- class cell scrambling and macrocell mark
Area's identification index table, obtains macrocell index value and scrambler index value, and the micro- class set of cells mark of combination producing.For example, root
Table look-up according to macrocell mark 1 and 1 obtain macrocell index value 0,000 0,000 0001, tabled look-up according to scrambler 1 and 1 obtain scrambler index value
0001, two index values of combination generate Target cell set identification 0,000 0,000 0,001 0001, are written to micro- class cell ID
In list.Simultaneously, it will thus provide the corresponding micro- class cell ID of micro- class cell of micro- class cell scrambling 1 is also written to micro- class cell
In corresponding entry in identification list.
Table 5
In the present embodiment, step 401-403 is to configure the relevant entries on destination node, generates macrocell mark rope
Draw table, scrambling code identification concordance list and micro- class cell identification list.Following step 404-409 is specifically described to micro- class cell
The flow process of identification list real-time update, wherein step 404-407 are to increase the operation of entry, and step 408 and 409 is to delete entry
Operation：
404th, when micro- class cell increases, destination node adds micro- class cell scrambling and corresponding scrambler index value is arrived
In the scrambler concordance list, treated by the macrocell mark generation of the micro- class cell scrambling to be increased and adjacent macro cell that receive
Increased micro- class set of cells mark.
Wherein, new micro- class cell is substantially increased after base station is started shooting, or in micro- class cell detection to there is newly-increased phase
During adjacent macrocell, newly-increased micro- class cell detection macrocell mark simultaneously reports the scrambler and micro- class of this cell little to destination node
Area identifies, and destination node can add micro- class cell in micro- class cell identification list, updates micro- class cell identification list, together
Micro- class cell scrambling described in Shi Ruo is identified not in the scrambling code identification concordance list, adds micro- class cell scrambling and corresponding
Scrambler index value is in the scrambler concordance list.Micro- class cell ID can be micro- class cell ID of 28 of broadcast,
Can be short mark, micro- class cell ID or short mark can uniquely identify micro- class cell.Generate to be increased micro-
The method of class set of cells mark is identical with the method that micro- class set of cells mark is generated in step 403, no longer superfluous in detail here
State.
405th, destination node determines that micro- class set of cells to be increased identifies whether existing micro- class cell mark
Know list in, that is, judge micro- class set of cells to be increased identify whether with it is arbitrary in micro- class cell identification list
The micro- class set of cells mark matching of bar；If in micro- class set of cells mark to be increased and micro- class cell identification list
The mark matching of any bar micro- class set of cells, then execution step 406；If micro- class set of cells mark to be increased and institute
The micro- class set of cells mark stated in micro- class cell identification list is mismatched, then execution step 407.
406th, destination node is added to micro- class cell ID to be increased in micro- class set of cells.
Wherein, if micro- class set of cells mark to be increased is existing micro- class set of cells in micro- class cell identification list
One of mark, then be added to micro- class cell ID in corresponding entry, just increases in the micro- class set of cells for sharing identical scrambler
A micro- class cell is added.For example, it is assumed that existing micro- class set of cells identifies 0,000 0,000 0001 in table 5, and it is existing micro-
Class cell ID 1, now micro- class cell 4 be added in network, it is 0,000 0,000 0001 corresponding in micro- class set of cells mark
Add micro- class cell ID 4 in entry.
407th, destination node adds micro- class set of cells to be increased in micro- class set of cells identification list
Mark and corresponding micro- class cell ID.
Wherein, if micro- class set of cells to be increased is identified in micro- class cell identification list without recording, increase by one
Individual entry is used to store micro- class cell that micro- class set of cells mark to be increased and the set are included.For example, it is assumed that treating
Increased micro- class set of cells is designated 0,000 0,000 0,002 0002, without recording in table 5, then increases new entry and deposits
Micro- class set of cells mark to be increased is stored up, corresponding micro- class cell ID 5 is added in corresponding entry.
408th, when micro- class cell is reduced, destination node is by the micro- class cell scrambling to be deleted for receiving and adjacent grand little
The macrocell mark in area generates micro- class set of cells mark to be deleted, waits to delete from corresponding micro- class set of cells described in deletion
The micro- class cell ID for removing.
Wherein, when the closing of micro- class cell or deletion, or the scrambler of micro- class cell are changed, can be from micro- class cell ID
Micro- class cell is deleted in list, the flow process that micro- class cell can also be coordinated when changing for scrambler to increase, and updates micro- class little
Area's identification list.Micro- class set of cells mark is generated in the method and steps 403 for generating micro- class set of cells mark to be deleted
Method it is identical, be no longer described in detail here.
Then, according to micro- class set of cells mark inquiry micro- class cell identification list to be deleted, determine institute
The micro- class set of cells mark matched with micro- class set of cells mark to be deleted in stating micro- class cell identification list.Example
Such as, when micro- class cell 1 is closed, micro- class cell is generated according to the scrambler of micro- class cell 1 and the macrocell mark of adjacent macro cell
Set identification, finds corresponding entry in table 5, deletes micro- class cell ID 1 in the set constituted from micro- class cell ID.
It is understood that described in step 404-408 be when micro- class cell is increased or decreased to relevant entries more
New technological process, when adjacent macro cell is increased or decreased, it is also possible to update relevant entries accordingly.Specifically：When adjacent grand little
When area increases, if the macrocell is identified not in the macrocell identification index table, macrocell mark is increased to
In the macrocell identification index table；Macrocell mark to be increased and micro- class cell scrambling according to receiving generates to be increased
Micro- class set of cells mark；If there is no micro- class set of cells mark to be increased in micro- class cell identification list
Know, then micro- class cell ID to be increased is added in micro- class set of cells；If in micro- class cell identification list
Existing micro- class set of cells mark to be increased, then wait to increase described in addition in micro- class set of cells identification list
Plus micro- class set of cells identify corresponding micro- class cell ID.
When macrocell is reduced, generated according to the scrambling code identification of the adjacent macro cell to be deleted and Microcell for receiving and treated
The micro- class set of cells mark deleted, deletes micro- class cell ID to be deleted from corresponding micro- class set of cells.
In the present embodiment, step 401-408 is the pre-provisioning procedure of relevant entries on destination node, below to target section
On point, handover operation is specifically described：
409th, destination node receives the Target cell set identification that source node sends.
Wherein, destination node receives the request for building link message or handover request message of source node transmission, from the chain
Acquisition Target cell set identification in request message or handover request message is set up on road.
410th, destination node determines the target of candidate according to micro- class cell identification list and the Target cell set identification
Set of cells, wherein comprising in micro- class set of cells mark and corresponding micro- class set of cells in micro- class cell identification list
The corresponding micro- class cell ID of each micro- class cell, micro- class set of cells are adjacent with same macrocell and shared identical disturb
The set of at least one micro- class cell composition of code.
Wherein, Target cell set identification is compared with the micro- class set of cells mark in micro- class cell identification list, mesh
The match is successful in micro- class set of cells mark in mark set of cells mark and micro- class cell identification list, obtains matching
Micro- class set of cells identify corresponding micro- class set of cells, micro- class set of cells is Target cell set.For example, target
Set of cells is designated 0,000 0,000 0,001 0001, then the 5 Target cell set for obtaining shared Target cell scrambler of tabling look-up,
Micro- class cell ID that the Target cell set is included is：Micro- class cell ID 1 and micro- class cell ID 4.Target cell set
In the shared identical scrambler of each micro- class cell, micro- class cell range of candidate is reduced, 412 He of following step
413 can select suitable micro- class cell from Target cell set as Target cell.
411st, destination node sends quality testing instruction to each the micro- class cell in the Target cell set, so as to
The quality of uplink signal of the to be switched UE of micro- class cell detection.
Wherein, quality testing can be the service quality that micro- class cell is evaluated by be switched UE quality of uplink signal,
The service quality of micro- class cell can be evaluated according to throughput, bandwidth or other specification, the embodiment of the present invention is not limited.Example
Such as, destination node determines that the Target cell collection of candidate is combined into micro- class cell 1 and micro- class cell 4, respectively to micro- class cell 1 and micro- class
There is quality testing instruction in cell 4.
412nd, destination node receives the quality measurements of micro- class cell feedback, is selected according to the quality measurements
Select Target cell.
Wherein, in Target cell set, after each micro- class cell receives quality testing instruction, detect that UE's is upper respectively
Row signal quality.Micro- class cell can the quality measurements that obtain of detection report destination node, by destination node according to
Micro- class cell that quality measurements select quality of uplink signal optimal is used as Target cell.Micro- class cell can also be to detecting
To quality measurements passed judgment on, pre-establish the threshold value of signal quality, if quality of uplink signal is less than the door specified
Limit, then not to destination node feedback quality testing result；If quality of uplink signal is higher than the thresholding specified, just anti-to destination node
Feedback quality measurements.
413rd, destination node sets up request message to the Target cell transmission link, completes follow-up switching flow.
Wherein, as in prior art, destination node is set up to Target cell transmission link please for follow-up switching flow
After asking message, Target cell multiple information exchange to be carried out with UE, UE is switched in Target cell and is worked on.
It should be noted that the source node and destination node can be radio network controller (Radio Network
Controller, RNC) or micro- class gateway, such as Microcell gateway, picocell gateway, Femto cell gateway, home gateway
Deng.In the embodiment of the present invention, the specific descriptions of part steps may be referred to corresponding content in other embodiments of the invention, the present invention
Embodiment no longer will be repeated here one by one.
According to the Target cell scrambler in the measurement report of UE, changing method provided in an embodiment of the present invention, determines that target is little
Area's set identification, determines the Target cell set of candidate according to the Target cell set identification, and then from Target cell set
Filter out Target cell, with one micro- class cell corresponding with scrambler of stochastic searching in prior art as Target cell method
Compare, the scope of the Target cell of candidate can be reduced, improve the efficiency of cell switching, and can be from Target cell set
Satisfactory Target cell is filtered out, the success rate of cell switching is improved.
Another embodiment of the present invention provides a kind of changing method, and source node and destination node are same section in the present embodiment
Point, i.e., complete switching on one node.As shown in fig. 6, the method includes：
501st, according to default macrocell queueing discipline, it is corresponding macrocell index value by macrocell identity map, matches somebody with somebody
Put macrocell identification index table.
502nd, according to default micro- class cell queueing discipline, micro- class cell scrambling is mapped as into corresponding scrambler index value,
Configuration scrambling code identification concordance list.
503rd, according to the corresponding macrocell mark of micro- class cell scrambling and adjacent macro cell, the scrambling code identification is inquired about respectively
Concordance list and the macrocell identification index table simultaneously generate micro- class set of cells mark, according to micro- class set of cells mark and
Micro- class cell ID configures micro- class cell identification list.
In the present embodiment, step 501-503 is that relevant entries are pre-configured with RNC or gateway and Target cell is generated
The process of set identification, is configured with scrambling code identification concordance list and macrocell identification index table on node, also provided micro- class little
Area's identification list.So, when the quality testing that node receives UE is reported and starts to perform switching, neighbour is looked into during switching
Area's list finds that destination node is exactly current source node, just can directly inquire about micro- class cell identification list, determine Target cell
Collection merging completes switching.Hereinafter handover operation on same node is specifically described：
504th, the quality testing report that receive user equipment UE sends, disturbs comprising Target cell in the quality testing report
Code.
505th, the scrambling code identification concordance list being pre-configured with according to Target cell scrambler inquiry, determines that target scrambler is indexed
Value, wherein comprising micro- class cell scrambling and the corresponding scrambler index of each micro- class cell scrambling in the scrambling code identification concordance list
Value.
506th, the macrocell identification index table that inquiry is pre-configured with is identified according to the serving macro-cell of the UE, it is determined that service
Macrocell index value, wherein corresponding grand comprising macrocell mark and each macrocell mark in the macrocell identification index table
Cell index value.
507th, Target cell set identification is generated by the target scrambler index value and serving macro-cell index value.
508th, determine that source node and destination node are same nodes.
In the present embodiment, the operation of step 504-507 belongs to the function of source node, in step 508 due to the target
What nodal information was pointed to is present node, therefore present node should perform the function of source node, again performance objective node
Function.As source node and destination node are same nodes, therefore the forwarding step of Target cell set identification can be removed from, directly
Connect execution step 509.
509th, the micro- class cell identification list being pre-configured with according to Target cell set identification inquiry, determines that target is little
Area gathers, wherein comprising every in micro- class set of cells mark and corresponding micro- class set of cells in micro- class cell identification list
The corresponding micro- class cell ID of individual micro- class cell, micro- class set of cells are at least one micro- class cell for sharing identical scrambler
The set of composition.
510th, quality testing instruction is sent to each the micro- class cell in the Target cell set, so as to micro- class
The quality of uplink signal of the to be switched UE of cell detection.
511st, the quality measurements of micro- class cell feedback are received, it is little according to the quality measurements selection target
Area.
512nd, request message is set up to the Target cell transmission link, complete follow-up switching flow.
In the present embodiment, the operation of step 509-512 belongs to the function of destination node, on same node completes source
Node and the related handover operation of destination node, realize the micro- class cell by UE from the serving macro-cell of present node to the node
Switching.
It should be noted that the specific descriptions of part steps may be referred to other embodiments of the invention in the embodiment of the present invention
Middle corresponding content, the embodiment of the present invention no longer will be repeated here one by one.
Changing method provided in an embodiment of the present invention, generates mesh according to the serving macro-cell of UE mark and Target cell scrambler
Mark set of cells mark, determines the Target cell set of candidate according to the Target cell set identification, and then from Target cell collection
Target cell is filtered out in conjunction, with one micro- class cell corresponding with scrambler of stochastic searching in prior art as Target cell
Method is compared, and can reduce the scope of the Target cell of candidate, improves the efficiency of cell switching, and can be from Target cell collection
Satisfactory Target cell is filtered out in conjunction, the success rate of cell switching is improved.
Another embodiment of the present invention provides a kind of source node, as shown in fig. 7, comprises：Target cell set identification unit 61,
Transmitting element 62.
Target cell set identification unit 61, it is true for the Target cell scrambler in the measurement report according to user equipment (UE)
The set of cells that sets the goal is identified.
Transmitting element 62, for the Target cell set identification for generating the Target cell set identification unit 61
Destination node is sent to, so that the destination node determines the Target cell collection of candidate according to the Target cell set identification
Close.
As shown in figure 8, in another kind of implement scene of the embodiment of the present invention, the Target cell set identification unit 61
Can be additionally used in：The measurement report of UE is received, mesh is obtained from Neighboring Cell List according to the Target cell scrambler in the measurement report
Mark set of cells mark.
The source node may also include：Webmaster acquiring unit 63, Neighboring Cell List dispensing unit 64.
Webmaster acquiring unit 63, for the measurement report of UE is received in the Target cell set identification unit 61, according to
Before Target cell scrambler in the measurement report obtains Target cell set identification from Neighboring Cell List, connect from network management system
Receive the corresponding Target cell set identification of micro- class cell scrambling.
Neighboring Cell List dispensing unit 64, for mesh is obtained from Neighboring Cell List in the Target cell set identification unit 61
Before mark set of cells mark, disturbed according to macrocell mark, the corresponding micro- class cell of micro- class cell adjacent with the macrocell
Code, the macrocell identification index table and the scrambling code identification concordance list, generate micro- class set of cells mark, configuring adjacent cell row
Table, comprising the micro- class cell corresponding micro- class cell scrambling adjacent with macrocell and micro- class cell in the Neighboring Cell List
The corresponding micro- class set of cells mark of scrambler.
As shown in figure 9, in another kind of implement scene of the embodiment of the present invention, the Target cell set identification unit 61
Can be additionally used in：Target cell set identification is generated according to Target cell scrambler and serving macro-cell mark.
Further, the Target cell set identification unit 61 can include：Receiver module 611, target scrambler index
Value module 612, serving macro-cell index value module 613, Target cell set identification module 614.
Receiver module 611 is for the measurement report that receive user equipment UE sends, little comprising target in the measurement report
Area's scrambler.
Target scrambler index value module 612, for the scrambling code identification concordance list that received according to the receiver module 611 and institute
State Target cell scrambler, determine target scrambler index value, wherein in the scrambling code identification concordance list comprising micro- class cell scrambling and
The corresponding scrambler index value of micro- class cell scrambling.
Serving macro-cell index value module 613, for the serving macro-cell according to macrocell identification index table and the UE
Mark determines serving macro-cell index value, wherein identifying comprising macrocell mark and macrocell in the macrocell identification index table
Corresponding macrocell index value.
Target cell set identification module 614, the target for being determined by the target scrambler index value module are disturbed
The serving macro-cell index value that code index value and the serving macro-cell index value module determine generates Target cell set
Mark.
Further, the source node also includes：Macrocell identification index table dispensing unit 65, scrambling code identification concordance list is configured
Unit 66.
Macrocell identification index table dispensing unit 65, for little according to target in the Target cell set identification unit 61
Before area's scrambler and serving macro-cell mark generate Target cell set identification, it is corresponding macrocell by macrocell identity map
Index value, configures the macrocell identification index table.
Scrambling code identification concordance list dispensing unit 66, for micro- class cell scrambling is mapped as corresponding scrambler index value, matches somebody with somebody
Put the scrambling code identification concordance list.
Wherein, the source node is radio network controller (RNC) or micro- class gateway.
The embodiment of the present invention provides a kind of destination node again, as shown in Figure 10, including：Target cell set determining unit
71st, Target cell select unit 72.
Target cell set determining unit 71, for receiving the Target cell set identification of source node transmission, according to described
Target cell set identification determines the Target cell set of candidate.
Target cell select unit 72, for the Target cell determined in the Target cell set determining unit 71
Selection target cell in set, completes switching flow.
Further, as shown in figure 11, the Target cell set determining unit 71 includes：Receiver module 711, target is little
Gather determining module 712 in area.
Receiver module 711, for receiving the Target cell set identification of source node transmission.
Target cell set determining module 712, for being received according to micro- class cell identification list and the receiver module 711
The Target cell set identification determine Target cell set, wherein in micro- class cell identification list include micro- class cell
The corresponding micro- class cell ID of each micro- class cell, micro- class set of cells in set identification and corresponding micro- class set of cells
It is the set of at least one micro- class cell composition of adjacent with same macrocell and shared identical scrambler.
Further, the destination node also includes：Macrocell identification index table dispensing unit 73, scrambling code identification concordance list is matched somebody with somebody
Put unit 74, micro- class cell identification list dispensing unit 75.
Macrocell identification index table dispensing unit 73, for receiving source node in the Target cell set determining unit 71
The Target cell set identification of transmission, before determining Target cell set according to the Target cell set identification, by macrocell
Identity map is corresponding macrocell index value, configures macrocell identification index table.
Scrambling code identification concordance list dispensing unit 74, for will be adjacent with the macrocell corresponding micro- class of micro- class cell little
Area's scrambler is mapped as corresponding scrambler index value, configures scrambling code identification concordance list.
Micro- class cell identification list dispensing unit 75, for the micro- class according to macrocell mark, adjacent micro- class cell
Cell scrambling, the scrambling code identification concordance list and the macrocell identification index table, generate micro- class set of cells mark, according to micro-
Class cell ID and micro- class set of cells mark configuration micro- class cell identification list.
Further, the destination node also includes：Adding unit 76.
Adding unit 76, for when micro- class cell increases, by the micro- class cell scrambling to be increased for receiving and adjacent
The macrocell mark of macrocell generates micro- class set of cells mark to be increased.
The adding unit 76, is additionally operable to identify not in the scrambling code identification concordance list in micro- class cell scrambling
When, add micro- class cell scrambling and corresponding scrambler index value in the scrambler concordance list.
The adding unit 76, is additionally operable to the presence of micro- class cell to be increased in micro- class cell identification list
During set identification, micro- class cell ID to be increased is added in micro- class set of cells.
The adding unit 76, is additionally operable to there is no micro- class to be increased in micro- class cell identification list little
During area's set identification, add micro- class set of cells to be increased in micro- class set of cells identification list and identify and right
The micro- class cell ID answered.
Further, the destination node also includes：Delete unit 77.
Unit 77 is deleted, for when micro- class cell is reduced, by the micro- class cell scrambling to be deleted for receiving and adjacent
The macrocell mark of macrocell generates micro- class set of cells mark to be deleted, deletes and wait to delete from corresponding micro- class set of cells
The micro- class cell ID for removing.
Further, the Target cell select unit 72 includes：Detection module 721, selecting module 722, handover module
723。
Detection module 721, for sending quality testing instruction to each the micro- class cell in the Target cell set,
So as to the quality of uplink signal of the to be switched UE of the micro- class cell detection.
Selecting module 722, for receiving the quality measurements of micro- class cell feedback, ties according to the quality testing
Fruit selection target cell.
Handover module 723, for setting up request message to the Target cell transmission link, completes follow-up switching flow.
Further, the destination node is the gateway of radio network controller (RNC) or micro- class cell.
It should be noted that in the source node provided in the embodiment of the present invention and destination node part functional module it is concrete
Description may be referred to corresponding content in embodiment 1- embodiment 3, and the embodiment of the present invention no longer will be repeated here one by one.
Another embodiment of the present invention also provides a kind of switched system, as shown in figure 12, including：Source node 81 and destination node
82。
The source node 81, for generating Target cell set mark according to Target cell scrambler and serving macro-cell mark
Know；The Target cell set identification is sent to into destination node 82, so that the destination node 82 is according to the Target cell
Set identification determines the Target cell set of candidate.
The destination node 82 is for receiving the Target cell set identification of the transmission of source node 81, little according to the target
Area's set identification determines the Target cell set of candidate；The selection target cell in the Target cell set, completes switching stream
Journey.
It should be noted that the specific descriptions of partial devices may be referred in the switched system provided in the embodiment of the present invention
Corresponding content in other embodiments of the invention, the embodiment of the present invention no longer will be repeated here one by one.
Changing method, source node, destination node and switched system that multiple embodiments of the present invention are provided, according to the survey of UE
Target cell scrambler in amount report determines Target cell set identification, determines the mesh of candidate according to the Target cell set identification
Mark set of cells, and then Target cell is filtered out from Target cell set, with stochastic searching in prior art one and scrambler
Corresponding micro- class cell is compared as the technology of Target cell, can reduce the scope of the Target cell of candidate, is improved cell and is cut
The efficiency changed, and satisfactory Target cell can be filtered out from Target cell set, improve the success of cell switching
Rate.
Those skilled in the art can be understood that, for convenience and simplicity of description, only with above-mentioned each function
The division of module is illustrated, and in practical application, can distribute above-mentioned functions by different function moulds as desired
Block is completed, will the internal structure of device be divided into different functional modules, to complete all or part of work(described above
Energy.The specific work process of the system, apparatus, and unit of foregoing description, may be referred to corresponding in preceding method embodiment
Journey, will not be described here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above be only it is schematic, for example, the module or
The division of unit, only a kind of division of logic function can have other dividing mode, such as multiple units when actually realizing
Or component can with reference to or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, institute
The coupling each other for showing or discussing or direct-coupling or communication connection can be by some interfaces, device or unit
INDIRECT COUPLING or communication connection, can be electrical, mechanical or other forms.
The unit as separating component explanation can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location, you can local to be located at one, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list
Unit both can be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is realized and as independent production marketing or use using in the form of SFU software functional unit
When, can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part for contributing to prior art in other words or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, use so that a computer including some instructions
Equipment (can be personal computer, server, or network equipment etc.) or processor (processor) perform the present invention each
The all or part of step of embodiment methods described.And aforesaid storage medium includes：USB flash disk, portable hard drive, read only memory
(ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD
Etc. it is various can be with the medium of store program codes.
The above, above example only to illustrate technical scheme, rather than a limitation；Although with reference to front
State embodiment to be described in detail the present invention, it will be understood by those within the art that：Which still can be to front
State the technical scheme described in each embodiment to modify, or equivalent is carried out to which part technical characteristic；And these
Modification is replaced, and does not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (20)
1. a kind of changing method, it is characterised in that include：
Target cell set identification is determined according to the Target cell scrambler in the measurement report of user equipment (UE)；
The Target cell set identification is sent to into destination node, so that the destination node is according to the Target cell set
Mark determines the Target cell set of candidate；
Wherein, the Target cell scrambler in the measurement report according to user equipment (UE) determines Target cell set identification, bag
Include：The measurement report of UE is received, Target cell is obtained from Neighboring Cell List according to the Target cell scrambler in the measurement report
Set identification；Or, the measurement report of UE is received, is marked according to the Target cell scrambler in the measurement report and serving macro-cell
Know and generate Target cell set identification；
It is described before acquisition Target cell set identification, also to include from Neighboring Cell List：
According to macrocell mark, the corresponding micro- class cell scrambling of the micro- class cell adjacent with the macrocell, macrocell mark rope
Draw table and scrambling code identification concordance list, generate micro- class set of cells mark, configuring neighbor cell list, in the Neighboring Cell List comprising with it is grand
The corresponding micro- class cell scrambling of the adjacent micro- class cell of cell and the corresponding micro- class set of cells mark of micro- class cell scrambling
Know；
The Target cell scrambler and serving macro-cell mark according in the measurement report generates Target cell set identification,
Including：
The measurement report of UE is received, Target cell scrambler in the measurement report, is included；
Target scrambler index value, wherein institute are determined according to the Target cell scrambler in scrambling code identification concordance list and the measurement report
Micro- class cell scrambling and the corresponding scrambler index value of micro- class cell scrambling are included in stating scrambling code identification concordance list；
Serving macro-cell index value is determined according to the serving macro-cell of macrocell identification index table and UE mark, wherein described
Corresponding macrocell index value is identified comprising macrocell mark and macrocell in macrocell identification index table；
Target cell set identification is generated according to the target scrambler index value and serving macro-cell index value；
The Target cell is micro- class cell.
2. method according to claim 1, it is characterised in that in the measurement report for receiving UE, according to the measurement report
In Target cell scrambler obtain Target cell set identification from Neighboring Cell List before, also include：
The corresponding Target cell set identification of micro- class cell scrambling is received from network management system.
3. method according to claim 1, it is characterised in that according to Target cell scrambler and serving macro-cell mark life
Into before Target cell set identification, also include：
It is corresponding macrocell index value by macrocell identity map, configures the macrocell identification index table；
Micro- class cell scrambling is mapped as into corresponding scrambler index value, the scrambling code identification concordance list is configured.
4. the method according to any one of claim 1-3, it is characterised in that the destination node is wireless network control
The gateway of device RNC or micro- class cells.
5. a kind of changing method, it is characterised in that include：
The Target cell set identification that source node sends is received, determines that the target of candidate is little according to the Target cell set identification
Area gathers, and the Target cell set identification is that the source node is disturbed according to the Target cell in the measurement report of user equipment (UE)
What code determined；
The selection target cell in the Target cell set, completes switching flow；
It is described to receive the Target cell set identification that source node sends, Target cell is determined according to the Target cell set identification
Set, including：
Receive the Target cell set identification that source node sends；
The Target cell set of candidate is determined according to micro- class cell identification list and the Target cell set identification, wherein described
Identify comprising micro- class set of cells in micro- class cell identification list corresponding with each micro- class cell in corresponding micro- class set of cells
Micro- class cell ID, micro- class set of cells is at least one micro- class of adjacent with same macrocell and shared identical scrambler
The set of cell composition；
The Target cell set identification that source node sends is being received, Target cell collection is being determined according to the Target cell set identification
Before conjunction, also include：
It is corresponding macrocell index value by macrocell identity map, configures macrocell identification index table；
The micro- class cell corresponding micro- class cell scrambling adjacent with the macrocell is mapped as into corresponding scrambler index value, is configured
Scrambling code identification concordance list；
According to macrocell mark, micro- class cell scrambling of adjacent micro- class cell, the scrambling code identification concordance list and described grand
Cell ID concordance list, generates micro- class set of cells mark, is matched somebody with somebody according to micro- class cell ID and micro- class set of cells mark
Put micro- class cell identification list；
The Target cell is micro- class cell.
6. method according to claim 5, it is characterised in that also include：
When micro- class cell increases, if micro- class cell scrambling is not in the scrambling code identification concordance list, add micro- class
Cell scrambling and corresponding scrambler index value are in the scrambling code identification concordance list；
Micro- class to be increased is generated by the macrocell mark of the micro- class cell scrambling to be increased and adjacent macro cell for receiving little
Area's set identification；
It is if there is no micro- class set of cells mark to be increased in micro- class cell identification list, little in micro- class
Add micro- class set of cells mark to be increased and corresponding micro- class cell ID in area's identification list；
If or, existing micro- class set of cells mark to be increased in micro- class cell identification list, will be to be increased
Micro- class cell ID be added in micro- class set of cells.
7. method according to claim 5, it is characterised in that also include：
When micro- class cell is reduced, identified according to the macrocell of the micro- class cell scrambling to be deleted and adjacent macro cell for receiving
Micro- class set of cells mark to be deleted is generated, micro- class cell ID to be deleted is deleted from corresponding micro- class set of cells.
8. method according to claim 5, it is characterised in that also include：
When adjacent macro cell increases, if the macrocell is identified not in the macrocell identification index table, will be described grand
Cell ID increases in the macrocell identification index table；
Macrocell mark to be increased and micro- class cell scrambling according to receiving generates micro- class set of cells mark to be increased；
If there is no micro- class set of cells mark to be increased in micro- class cell identification list, will be to be increased micro-
Class cell ID is added in micro- class set of cells；
If existing micro- class set of cells mark to be increased, little in micro- class in micro- class cell identification list
Add micro- class set of cells to be increased in area's identification list and identify corresponding micro- class cell ID.
9. method according to claim 5, it is characterised in that also include：
When macrocell is reduced, given birth to according to the macrocell of the adjacent macro cell to be deleted for receiving mark and micro- class cell scrambling
Into micro- class set of cells mark to be deleted, micro- class cell ID to be deleted is deleted from corresponding micro- class set of cells.
10. method according to claim 5, it is characterised in that the selection target in the Target cell set is little
Area, completes switching flow, including：
Quality testing instruction is sent to each the micro- class cell in the Target cell set, so as to micro- class cell detection
The quality of uplink signal of to be switched UE；
The quality measurements of micro- class cell feedback are received, according to the quality measurements selection target cell；
Request message is set up to the Target cell transmission link, follow-up switching flow is completed.
11. a kind of source nodes, it is characterised in that include：
Target cell set identification unit, determines target for the Target cell scrambler in the measurement report according to user equipment (UE)
Set of cells is identified；
Transmitting element, for the Target cell set identification that the Target cell set identification unit is generated is sent to mesh
Mark node, so that the destination node determines the Target cell set of candidate according to the Target cell set identification；
Wherein, the Target cell set identification unit specifically for：The measurement report of UE is received, according in the measurement report
Target cell scrambler Target cell set identification is obtained from Neighboring Cell List, or, receive UE measurement report, according to target
Cell scrambling and serving macro-cell mark generate Target cell set identification；
The source node, also includes：
Neighboring Cell List dispensing unit, for Target cell collection is obtained from Neighboring Cell List in the Target cell set identification unit
Before closing mark, according to macrocell mark, the corresponding micro- class cell scrambling of the micro- class cell adjacent with the macrocell, macrocell
Identification index table and scrambling code identification concordance list, generate micro- class set of cells mark, and configuring neighbor cell list is wrapped in the Neighboring Cell List
Containing the micro- class cell corresponding micro- class cell scrambling adjacent with macrocell and the corresponding micro- class cell of micro- class cell scrambling
Set identification；
The Target cell set identification unit includes：
Receiver module, for the measurement report that receive user equipment UE sends, includes Target cell scrambler in the measurement report；
Target scrambler index value module, for the scrambling code identification concordance list that received according to the receiver module and the Target cell
Scrambler, determines target scrambler index value, wherein disturbing comprising micro- class cell scrambling and micro- class cell in the scrambling code identification concordance list
The corresponding scrambler index value of code；
Serving macro-cell index value module, for being determined according to the serving macro-cell of macrocell identification index table and UE mark
Serving macro-cell index value, wherein identifying comprising macrocell mark and macrocell in the macrocell identification index table corresponding grand
Cell index value；
Target cell set identification module, for the target scrambler index determined according to the target scrambler index value module
The serving macro-cell index value that value and the serving macro-cell index value module determine generates Target cell set identification；
The Target cell is micro- class cell.
12. source nodes according to claim 11, it is characterised in that also include：
Webmaster acquiring unit, for the measurement report of UE is received in the Target cell set identification unit, according to the measurement
Before Target cell scrambler in report obtains Target cell set identification from Neighboring Cell List, micro- class is received from network management system little
The corresponding Target cell set identification of area's scrambler.
13. source nodes according to claim 11, it is characterised in that also include：
Macrocell identification index table dispensing unit, for the Target cell set identification unit according to Target cell scrambler and
Before serving macro-cell mark generates Target cell set identification, it is corresponding macrocell index value by macrocell identity map,
Configure the macrocell identification index table；
Micro- class cell scrambling is mapped as corresponding scrambler index value by scrambling code identification concordance list dispensing unit, configures the scrambler
Identification index table.
14. source nodes according to any one of claim 11-13, it is characterised in that the source node is wireless network
The gateway of controller RNC or micro- class cells.
15. a kind of destination nodes, it is characterised in that include：
Target cell set determining unit is for receiving the Target cell set identification of source node transmission, little according to the target
Area's set identification determines the Target cell set of candidate, and the Target cell set identification is the source node according to user equipment
What the Target cell scrambler in the measurement report of UE determined；
Target cell select unit, for selecting in the Target cell set that the Target cell set determining unit determines
Target cell is selected, switching flow is completed；
Macrocell identification index table dispensing unit, for receiving the mesh that source node sends in the Target cell set determining unit
Mark set of cells mark, before determining Target cell set according to the Target cell set identification, by macrocell identity map
For corresponding macrocell index value, macrocell identification index table is configured；
Scrambling code identification concordance list dispensing unit, by the micro- class cell corresponding micro- class cell scrambling mapping adjacent with the macrocell
For corresponding scrambler index value, scrambling code identification concordance list is configured；
Micro- class cell identification list dispensing unit, for being disturbed according to micro- class cell of macrocell mark, adjacent micro- class cell
Code, the scrambling code identification concordance list and the macrocell identification index table, generate micro- class set of cells mark, according to micro- class cell
Mark and the micro- class cell identification list of micro- class set of cells mark configuration；
The Target cell set determining unit includes：
Receiver module, for receiving the Target cell set identification of source node transmission；
Target cell set determining module, for the target received according to micro- class cell identification list and the receiver module
Set of cells mark determine Target cell set, wherein in micro- class cell identification list comprising micro- class set of cells mark and
The corresponding micro- class cell ID of each micro- class cell in corresponding micro- class set of cells, micro- class set of cells is grand with same
Cell is adjacent and the set of at least one micro- class cell composition of shared identical scrambler；
The Target cell is micro- class cell.
16. destination nodes according to claim 15, it is characterised in that also include：
Adding unit, for when micro- class cell increases, according to the micro- class cell scrambling to be increased for receiving and adjacent grand little
The macrocell mark in area generates micro- class set of cells mark to be increased；
If micro- class cell scrambling is not in the scrambling code identification concordance list, add micro- class cell scrambling and corresponding scrambler rope
Draw value in the scrambling code identification concordance list；
If there is micro- class set of cells mark to be increased in micro- class cell identification list, by micro- class to be increased
Cell ID is added in micro- class set of cells；
It is if there is no micro- class set of cells mark to be increased in micro- class cell identification list, little in micro- class
Add micro- class set of cells mark to be increased and corresponding micro- class cell ID in area's identification list.
17. destination nodes according to claim 15, it is characterised in that also include：
Unit is deleted, for when micro- class cell is reduced, according to the micro- class cell scrambling to be deleted for receiving and adjacent grand little
The macrocell mark in area generates micro- class set of cells mark to be deleted, from corresponding micro- class set of cells deletes to be deleted
Micro- class cell ID.
18. destination nodes according to claim 15, it is characterised in that the Target cell select unit includes：
Detection module, for sending quality testing instruction to each the micro- class cell in the Target cell set, with toilet
State the quality of uplink signal of the to be switched UE of micro- class cell detection；
Selecting module, for receiving the quality measurements of micro- class cell feedback, selects according to the quality measurements
Target cell；
Handover module, for setting up request message to the Target cell transmission link, completes follow-up switching flow.
19. destination nodes according to any one of claim 15-18, it is characterised in that the destination node is wireless
The gateway of network controller RNC or micro- class cells.
20. a kind of switched systems, it is characterised in that include：
Source node as any one of claim 11-14；And
Destination node as any one of claim 15-18.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110456348.8A CN103188750B (en) | 2011-12-30 | 2011-12-30 | Switching method, node and system |
| PCT/CN2012/082760 WO2013097517A1 (en) | 2011-12-30 | 2012-10-11 | Method, node, and system for handover |
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| CN201110456348.8A CN103188750B (en) | 2011-12-30 | 2011-12-30 | Switching method, node and system |
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| CN104684037A (en) * | 2013-11-29 | 2015-06-03 | 华为技术有限公司 | Communication switching method and communication switching device |
| CN108353300B (en) * | 2015-11-04 | 2021-11-19 | 瑞典爱立信有限公司 | Method and apparatus for configuration of measurement limits |
| JP6844913B2 (en) * | 2015-12-31 | 2021-03-17 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | Mobility management methods, terminals and base stations |
| WO2018161261A1 (en) * | 2017-03-07 | 2018-09-13 | Oppo广东移动通信有限公司 | Resource processing method, network-side device, terminal, and system |
| WO2020041972A1 (en) * | 2018-08-28 | 2020-03-05 | Apple Inc. | Cell set based mobility |
| CN109218452B (en) * | 2018-11-16 | 2020-11-24 | 京东数字科技控股有限公司 | Method and device for pushing node information |
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| CN1859770A (en) * | 2006-04-13 | 2006-11-08 | 华为技术有限公司 | Voice group call service news processing method |
| CN101437245A (en) * | 2007-11-13 | 2009-05-20 | 华为技术有限公司 | Method and terminal for reporting district information, and wireless network controller |
| CN101790216A (en) * | 2009-01-22 | 2010-07-28 | 鼎桥通信技术有限公司 | Switching method |
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| US8731565B2 (en) * | 2010-01-27 | 2014-05-20 | Lg Electronics Inc. | Apparatus and method of performing handover in wireless communication system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1859770A (en) * | 2006-04-13 | 2006-11-08 | 华为技术有限公司 | Voice group call service news processing method |
| CN101437245A (en) * | 2007-11-13 | 2009-05-20 | 华为技术有限公司 | Method and terminal for reporting district information, and wireless network controller |
| CN101790216A (en) * | 2009-01-22 | 2010-07-28 | 鼎桥通信技术有限公司 | Switching method |
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