CN104244343B - Switching method and system, relay station, control base station and base station in junction network - Google Patents
Switching method and system, relay station, control base station and base station in junction network Download PDFInfo
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- CN104244343B CN104244343B CN201410407247.5A CN201410407247A CN104244343B CN 104244343 B CN104244343 B CN 104244343B CN 201410407247 A CN201410407247 A CN 201410407247A CN 104244343 B CN104244343 B CN 104244343B
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Abstract
The embodiment of the present invention provides switching method and system, relay station, control base station and base station in a kind of junction network.This method comprises: relay station receives the first area mark for identifying the relay station；Terminal into coverage area sends the system information broadcast message for carrying first area mark；The switching request message of control base station forwarding is received, and is operated according to the control that switching request message carries out access relay station to terminal.The relay station includes: the first receiving module, the first sending module and processing module.The control base station includes: the second sending module and the second receiving module.The base station includes: third receiving module and third sending module.The system includes: relay station, control base station, base station and mobility management entity.Switching method, apparatus and system in the junction network of the embodiment of the present invention are identified by the first area to the relay station allocation identification relay station, are realized in junction network terminal from base station and are switched to being normally carried out for relay station.
Description
Technical field
The present embodiments relate to the switching method in mobile communication technology field more particularly to a kind of junction network and it is
System, relay station, control base station and base station.
Background technique
In the mobile communication network, mobility management entity (Mobility Management Entity；MME) for pair
Base station (E-UTRAN Node B；ENB) (the User Equipment of the terminal in the area of coverage；UE it) carries out in preservation mobile management
Hereafter and the operation such as user authentication.Wherein, it is connected between eNB and MME by S1 interface, and is connected between each eNB by X2 interface
It connects.When UE is moved to another eNB area of coverage from an eNB area of coverage, need to be switched to second eNB from first eNB.
In traditional network, pass through wireless connection, that is, the network of single-hop between eNB and UE.And in junction network,
It is to increase one or more relay station (Relay Node between eNB and UE；RN), it is responsible for doing the eNB wireless signal sent
One or many signal forwardings, until UE.It is exactly to divide an eNB-UE Radio Link by taking better simply double bounce relaying as an example
For two Radio Links of eNB-RN and RN-UE, to have an opportunity a second-rate link replacing with two quality preferable
Link, with obtain higher link capacity and preferably covering.RN and control base station (the Donor E-UTRAN for controlling it
Node B；DeNB it is connected by wireless S1 interface with X2 interface between).When DeNB serve as between RN and MME when acting on behalf of, lead to
Cross the S1 message between S1 interface transfer RN and MME, when DeNB serve as between RN and the adjacent base station of RN when acting on behalf of, connect by X2
X2 message between the adjacent base station of mouth transfer RN and these RN.
In traditional network, when between two eNB for some reason, it is available without X2 interface, for example, between eNB
When connection is interrupted due to external cause, if UE is switched to another eNB from one of eNB, need by being connect with MME
S1 interface switches over, that is, first eNB sends switching request to second eNB by MME.And in junction network, when
When there is no X2 interface can be used between eNB and DeNB, if UE is switched to the RN that the DeNB is controlled from the eNB, since MME can not be true
Determine the corresponding DeNB of RN, therefore can not correctly send switching request, causes handoff procedure that can not be normally carried out.
Summary of the invention
The embodiment of the present invention provides switching method and system, relay station, control base station and base station in a kind of junction network,
Realize that is switched in junction network is normally carried out.
The embodiment of the present invention provides the switching method in a kind of junction network, comprising:
Relay station receives the first area mark for identifying the relay station；
Terminal into coverage area sends the system information broadcast message for carrying the first area mark；
Control base station is received according to the switching request message of first area mark forwarding, and according to the switching request
The control that message access the relay station to the terminal operates.
The embodiment of the present invention also provides the switching method in a kind of junction network, comprising:
Control base station establishes request message according to the interface received, sends response message to relay station, the response disappears
Breath carries the first area mark of the mark relay station distributed to the relay station；
The switching request message that mobility management entity is sent according to first area mark is received, and is forwarded to described
Relay station, so that the relay station is operated according to the control that the switching request message access the relay station to terminal.
The embodiment of the present invention also provides the switching method in a kind of junction network, comprising:
Base station receives the measurement report that terminal is sent, and the measurement report carries the terminal from the received system of relay station
The first area mark obtained in information broadcast message；
It is identified according to the first area, handoff requirement message is sent to mobility management entity, so that the mobility
Management entity identifies to the control base station for controlling the relay station according to the first area and sends switching request message, described to cut
Changing request message indicates that the terminal request is switched to the relay station from the base station.
The embodiment of the present invention provides a kind of relay station, comprising:
First receiving module, for receiving the first area mark for identifying the relay station and control base station according to
The switching request message of first area mark forwarding；
First sending module sends the institute for carrying first receiving module and receiving for the terminal into coverage area
State the system information broadcast message of first area mark；
Processing module, the switching request message for being received according to first receiving module to the terminal into
Row accesses the control operation of the relay station.
The embodiment of the present invention provides a kind of control base station, comprising:
Second sending module sends response message, institute to relay station for establishing request message according to the interface received
State the first area mark that response message carries the mark relay station distributed to the relay station；
Second receiving module, the switching request sent for receiving mobility management entity according to first area mark
Message, and be forwarded to the relay station, so that described in the relay station accesses terminal according to the switching request message
The control of relay station operates.
The embodiment of the present invention provides a kind of base station, comprising:
Third receiving module, for receiving the measurement report of terminal transmission, the measurement report carries the terminal therefrom
After the first area mark obtained in received system information broadcast message of standing；
Third sending module sends switching demand to mobility management entity and disappears for being identified according to the first area
Breath is cut so that the mobility management entity is identified according to the first area to the control base station transmission for controlling the relay station
Request message is changed, the switching request message indicates that the terminal request is switched to the relay station from the base station.
The embodiment of the present invention provides the switching system in a kind of junction network, comprising: relay station, control base station, base station and
Mobility management entity,
The relay station is used to receive the first area for identifying relay station mark；Terminal into coverage area is sent
Carry the system information broadcast message of the first area mark；The control base station is received to be turned according to first area mark
The switching request message of hair, and grasped according to the control that the switching request message access the relay station to the terminal
Make；
The control base station is used to establish request message according to the interface received, sends response message, institute to relay station
State the first area mark that response message carries the mark relay station distributed to the relay station；Receive the mobility pipe
The switching request message that entity is sent according to first area mark is managed, and is forwarded to the relay station, so that the relaying
It stands and is operated according to the control that the switching request message access the relay station to terminal；
The base station is used to receive the measurement report of terminal transmission, and the measurement report carries the terminal and connects from relay station
The first area mark obtained in the system information broadcast message of receipts；It is identified according to the first area, to the mobility pipe
Manage entity send handoff requirement message so that the mobility management entity according to the first area identify to control it is described in
Control base station after station sends switching request message, and the switching request message indicates that the terminal request switches from the base station
To the relay station.
Switching method and system, relay station, control base station and base station in the junction network of the embodiment of the present invention, by right
The first area of the RN allocation identification RN identifies, and realizes in junction network UE from eNB and is switched to being normally carried out for RN.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the flow chart of the switching method first embodiment in junction network of the present invention；
Fig. 2 is the flow chart of the switching method second embodiment in junction network of the present invention；
Fig. 3 is the flow chart of the switching method 3rd embodiment in junction network of the present invention；
Fig. 4 is the flow chart of the switching method fourth embodiment in junction network of the present invention；
Fig. 5 is the flow chart of the 5th embodiment of switching method in junction network of the present invention；
Fig. 6 is the flow chart of the switching method sixth embodiment in junction network of the present invention；
Fig. 7 is the flow chart of the 7th embodiment of switching method in junction network of the present invention；
Fig. 8 is the flow chart of the 8th embodiment of switching method in junction network of the present invention；
Fig. 9 is the flow chart of the 9th embodiment of switching method in junction network of the present invention；
Figure 10 is the flow chart of the first specific embodiment of switching method in junction network of the present invention；
Figure 11 is the flow chart of the second specific embodiment of switching method in junction network of the present invention；
Figure 12 is the flow chart of the switching method third specific embodiment in junction network of the present invention；
Figure 13 is the flow chart of the 4th specific embodiment of switching method in junction network of the present invention；
Figure 14 is the structural schematic diagram of relay station embodiment of the present invention；
Figure 15 is the structural schematic diagram of control base station embodiment of the present invention；
Figure 16 is the structural schematic diagram of base station embodiment of the present invention；
Figure 17 is the system block diagram of the switching system embodiment in junction network of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 is the flow chart of the switching method first embodiment in junction network of the present invention.As shown in Figure 1, the present invention is real
Apply example offer junction network in switching method include:
Step 101, RN receive the first area mark for identifying the RN；
The UE of step 102, RN into coverage area sends the system information broadcast message for carrying first area mark；
Step 103, RN receive DeNB according to the switching request message of first area mark forwarding, and according to the switching request
Message operates the UE control for access the RN.
In embodiments of the present invention, by the way that when RN and DeNB establish interface, DeNB is identified to RN distribution first area, example
Such as first area mark can identify (EUTRAN Cell for the first evolved universal terrestrial radio access network cell identity
Global Identifier；ECGI) or the first tracing area identifies (Tracking Area Identity；TAI) etc..RN connects
After the first area mark for receiving DeNB distribution, all UE into coverage area send the system for carrying first area mark
Information broadcast message.When cell of a certain UE in connection status from the cell of eNB to RN is mobile, which will receive RN
The system information of carrying first area mark of transmission broadcasts the message and is reported to eNB；In the present embodiment, eNB or MME can
To identify the mark (DeNB_ID) for obtaining DeNB according to first area, therefore eNB can further pass through DeNB of the MME to RN
Send the switching request message that RN is switched to from eNB.After RN receives the switching request message of DeNB forwarding, according to the switching request
Message operates the UE control for access the RN.
Switching method in the junction network of the embodiment of the present invention, by the way that when RN and DeNB establish interface, DeNB is to RN
The first area of the allocation identification RN identifies, and realizes in junction network UE from eNB and is switched to being normally carried out for RN.
Fig. 2 is the flow chart of the switching method second embodiment in junction network of the present invention.As shown in Fig. 2, the present invention is real
Applying the method that example provides may include:
Step 201, RN receive the response message that DeNB establishes request message to interface, which carries the DeNB points
The first ECGI matched；
It includes that X2 interface establishes request message that above-mentioned interface, which establishes request message, and above-mentioned response message includes building with X2 interface
The vertical corresponding X2 response message of request message.First ECGI includes the mark (DeNB_ID) of DeNB.
The UE of step 202, RN into coverage area sends the system information broadcast message for carrying the first ECGI；
Step 203, RN receive the switching request message of the first ECGI of carrying of DeNB forwarding, and according to the first ECGI pairs
The UE access the control operation of the RN.
In embodiments of the present invention, by the way that when RN and DeNB establish X2 interface, DeNB distributes the first ECGI to RN.RN connects
After the first ECGI for receiving DeNB distribution, all UE into coverage area send the system information broadcast for carrying the first ECGI
Message.When cell of a certain UE in connection status from the cell of eNB to RN is mobile, which will receive taking for RN transmission
System information with the first ECGI broadcasts the message and is reported to eNB；ENB further passes through MME and sends to the DeNB of RN from eNB
It is switched to the switching request message of RN.Since the first ECGI is distributed by DeNB, first 20 marks for DeNB
(DeNB_ID), therefore eNB or MME can obtain DeNB_ID according to the first ECGI, and eNB is cut by MME to DeNB transmission
Change request message.After RN receives the switching request message of DeNB forwarding, UE is carried out to access the RN according to the switching request message
Control operation.
Switching method in the junction network of the embodiment of the present invention, by the way that when RN and DeNB establish interface, DeNB is to RN
The first ECGI of the allocation identification RN enables eNB to obtain DeNB_ID according to the first ECGI, realizes UE in junction network
Being normally carried out for RN is switched to from eNB.
Fig. 3 is the flow chart of the switching method 3rd embodiment in junction network of the present invention.As shown in figure 3, the present invention is real
It applies example and provides a kind of switching method in junction network, comprising:
Step 301, RN receive the response message that DeNB establishes request message to interface, which carries the DeNB points
The first TAI matched；
It includes that X2 interface establishes request message and S1 interface establishes request message that above-mentioned interface, which establishes request message, which connects
Mouth establishes request message and carries the 3rd ECGI reported to DeNB, and above-mentioned response message includes establishing request message pair with X2 interface
The X2 response message answered and the corresponding S1 response message of request message is established with S1 interface, the first TAI corresponds to unique DeNB_
ID。
The UE of step 302, RN into coverage area sends the system information broadcast message for carrying the first TAI, system letter
Breath broadcast message also carries the 3rd ECGI；
Step 303, RN receive the switching request message of the 3rd ECGI of carrying of DeNB forwarding, and according to the 3rd ECGI pairs
The UE access the control operation of the RN.
In embodiments of the present invention, by the way that when RN and DeNB establish X2 interface, RN reports the 3rd ECGI to DeNB.In RN
When establishing S1 interface with DeNB, DeNB to RN distribute the first TAI, and DeNB to RN distribute a TAI when follow following principle: no
Different TAI is distributed with the RN under DeNB, does not distribute the TAI shared between DeNB for RN.RN receives the first of DeNB distribution
After TAI, all UE into coverage area send the system information broadcast message for carrying the first TAI and the 3rd ECGI.When a certain
When cell of the UE in connection status from the cell of eNB to RN is mobile, the UE by receive RN transmission the first TAI of carrying and
The system information of 3rd ECGI broadcasts the message and is reported to eNB；ENB further passes through MME and sends to the DeNB of RN from eNB switching
To the switching request message of RN.Since the first TAI corresponds to unique DeNB_ID, MME can be obtained according to the first TAI
DeNB_ID, and switching request message is sent to the DeNB.After RN receives the switching request message of DeNB forwarding, according to the switching
Request message operates the UE control for access the RN.
Switching method in the junction network of the embodiment of the present invention, by the way that when RN and DeNB establish interface, DeNB is to RN
The first TAI of the allocation identification RN enables MME to obtain DeNB_ID according to the first TAI, realize in junction network UE from
ENB is switched to being normally carried out for RN.
Fig. 4 is the flow chart of the switching method fourth embodiment in junction network of the present invention.As shown in figure 4, the present invention is real
It applies example and provides a kind of switching method in junction network, comprising:
Step 401, RN receive the system information broadcast message that the carrying that DeNB is sent identifies the 2nd ECGI of the DeNB；
Step 402, RN are to operation-management-maintenance (Operation Administration and Maintenance；
OAM) equipment sends the allocation request message for carrying the 2nd ECGI；
Step 403, RN receive the assignment response for carrying first area mark that the OAM equipment is returned according to the 2nd ECGI
Message, the first area are identified as the first ECGI comprising DeNB_ID；
The UE of step 404, RN into coverage area sends the system information broadcast message for carrying the first ECGI；
Step 405, RN receive the switching request message of the first ECGI of carrying of DeNB forwarding, and according to the first ECGI pairs
The UE access the control operation of the RN.
Step 202~step 203 in step 404~step 405 and above method second embodiment in the present embodiment
It is identical, it the difference is that only, in the present embodiment, before RN and DeNB establish interface, RN receives DeNB first and sends carrying
The system information of 2nd ECGI broadcasts the message, and the allocation request message for carrying the 2nd ECGI is then sent to OAM equipment, by
OAM equipment distributes the first ECGI not used by DeNB to RN according to the 2nd ECGI of mark DeNB, to identify RN.Alternatively, working as
When RN receives DeNB and sends the system information broadcast message for carrying the 2nd ECGI, since first 20 of the 2nd ECGI be DeNB_
ID, therefore RN can directly acquire DeNB_ID, and the allocation request message for carrying the DeNB_ID is sent to OAM equipment, by OAM
Equipment distributes the first ECGI not used by DeNB according to the DeNB_ID to RN, to identify RN.
Switching method in the junction network of the embodiment of the present invention, by before RN and DeNB establish interface, OAM equipment
To the first ECGI of the RN allocation identification RN, UE is realized in junction network from eNB and is switched to being normally carried out for RN.
Fig. 5 is the flow chart of the 5th embodiment of switching method in junction network of the present invention.As shown in figure 5, the present invention is real
It applies example and provides a kind of switching method in junction network, comprising:
Step 501, RN receive the system information broadcast message that the carrying that DeNB is sent identifies the 2nd ECGI of the DeNB；
Step 502, RN send the allocation request message for carrying the 2nd ECGI to OAM equipment；
Step 503, RN receive the assignment response for carrying first area mark that the OAM equipment is returned according to the 2nd ECGI
Message；The first area is identified as the first TAI of corresponding unique DeNB_ID；
The UE of step 504, RN into coverage area sends the system information broadcast message for carrying the first TAI, system letter
Breath broadcast message also carries the 3rd ECGI that RN is reported to DeNB；
Step 505, RN receive the switching request message of the 3rd ECGI of carrying of DeNB forwarding, and according to the 3rd ECGI pairs
The UE access the control operation of the RN.
Step 302~step 303 in step 504~step 505 and above method 3rd embodiment in the present embodiment
It is identical, it the difference is that only, in the present embodiment, before RN and DeNB establish interface, RN receives DeNB first and sends carrying
The system information of 2nd ECGI broadcasts the message, and the allocation request message for carrying the 2nd ECGI is then sent to OAM equipment, by
OAM equipment distributes the first TAI to RN according to the 2nd ECGI of mark DeNB.Alternatively, sending carrying second when RN receives DeNB
When the system information broadcast message of ECGI, since first 20 of the 2nd ECGI are DeNB_ID, RN can be directly acquired
DeNB_ID, and the allocation request message for carrying the DeNB_ID is sent to OAM equipment, from OAM equipment according to the DeNB_ID to RN
Distribute the first TAI.In above-mentioned two situations, following principle is all followed when OAM distributes a TAI to RN: under different DeNB
RN distributes different TAI, does not distribute the TAI shared between DeNB for RN.It is corresponding unique by the first TAI of this principle distribution
DeNB_ID, therefore MME can obtain DeNB_ID according to the first TAI, and send switching request message to the DeNB.
Switching method in the junction network of the embodiment of the present invention, by before RN and DeNB establish interface, OAM equipment
The first TAI of unique DeNB corresponding to RN distribution realizes in junction network UE from eNB and is switched to being normally carried out for RN.
Fig. 6 is the flow chart of the switching method sixth embodiment in junction network of the present invention.As shown in fig. 6, the present invention is real
It applies example and provides a kind of switching method in junction network, comprising:
Step 601, DeNB establish request message according to the interface received, send response message, the response message to RN
The first area for identifying the RN distributed to RN is carried to identify；
Step 602, DeNB receive the switching request message sent according to first area mark that MME is sent, and are forwarded to
RN, so that the RN operates the UE control for access the RN according to the switching request message.
In embodiments of the present invention, by the way that when RN and DeNB establish interface, DeNB is identified to RN distribution first area, example
Such as first area mark can be the first ECGI or the first TAI.After RN receives the first area mark of DeNB distribution, to
All UE in coverage area send the system information broadcast message for carrying first area mark.Connection status is in when a certain
Cell of the UE from the cell of eNB to RN it is mobile when, which will receive the system for carrying first area mark of RN transmission
Information broadcast message is simultaneously reported to eNB；In the present embodiment, eNB or MME can be identified according to first area and be obtained DeNB_ID,
Therefore eNB can further send the switching request message that RN is switched to from eNB by MME to the DeNB of RN.DeNB receives MME
After the switching request message of transmission, it is forwarded to RN, so that the RN access to UE the control of the RN according to the switching request message
System operation.
Switching method in the junction network of the embodiment of the present invention, by the way that when RN and DeNB establish interface, DeNB is to RN
The first area of the allocation identification RN identifies, and realizes in junction network UE from eNB and is switched to being normally carried out for RN.
Further, it includes that X2 interface establishes request message that above-mentioned interface, which establishes request message, and above-mentioned response message includes
The corresponding X2 response message of request message is established with X2 interface, the first area of above-mentioned distribution is identified as the carrying of X2 response message
First ECGI, the first ECGI include the mark (DeNB_ID) of DeNB.
In embodiments of the present invention, by the way that when RN and DeNB establish X2 interface, DeNB distributes the first ECGI to RN.RN connects
After the first ECGI for receiving DeNB distribution, all UE into coverage area send the system information broadcast for carrying the first ECGI
Message.When cell of a certain UE in connection status from the cell of eNB to RN is mobile, which will receive taking for RN transmission
System information with the first ECGI broadcasts the message and is reported to eNB；ENB further passes through MME and sends to the DeNB of RN from eNB
It is switched to the switching request message of RN.Since the first ECGI is distributed by DeNB, first 20 are DeNB_ID, therefore eNB
Or MME can obtain DeNB_ID according to the first ECGI, eNB sends switching request message to the DeNB by MME.DeNB connects
After receiving the switching request message that MME is sent, it is forwarded to RN, so that the RN carries out UE to access the RN according to the switching request message
Control operation.
Further, it includes that X2 interface establishes request message and the foundation request of S1 interface that above-mentioned interface, which establishes request message,
Message, the X2 interface establish request message and carry the 3rd ECGI reported to DeNB, and above-mentioned response message includes building with X2 interface
The vertical corresponding X2 response message of request message and the corresponding S1 response message of request message is established with S1 interface, the of above-mentioned distribution
One area identification is the first TAI that S1 response message carries, and the first TAI corresponds to unique DeNB_ID.Meanwhile in DeNB to RN
After sending response message, base station can also be sent to MME and distributes update message, which distributes update message and carry first
TAI, for so that MME obtains the corresponding relationship of the first TAI and DeNB_ID, to carry cutting for the first TAI when MME is received
When changing requirement message, corresponding DeNB_ID can be obtained according to the first TAI.
In embodiments of the present invention, by the way that when RN and DeNB establish X2 interface, RN reports the 3rd ECGI to DeNB.In RN
When establishing S1 interface with DeNB, DeNB to RN distribute the first TAI, and DeNB to RN distribute a TAI when follow following principle: no
Different TAI is distributed with the RN under DeNB, does not distribute the TAI shared between DeNB for RN.RN receives the first of DeNB distribution
After TAI, all UE into coverage area send the system information broadcast message for carrying the first TAI and the 3rd ECGI.When a certain
When cell of the UE in connection status from the cell of eNB to RN is mobile, the UE by receive RN transmission the first TAI of carrying and
The system information of 3rd ECGI broadcasts the message and is reported to eNB；ENB further passes through MME and sends to the DeNB of RN from eNB switching
To the switching request message of RN.Since the first TAI corresponds to unique DeNB_ID, MME can be obtained according to the first TAI
DeNB_ID, and switching request message is sent to the DeNB.After DeNB receives the switching request message that MME is sent, it is forwarded to RN,
So that the RN operates the UE control for access the RN according to the switching request message.
Switching method in the junction network of the embodiment of the present invention, by the way that when RN and DeNB establish interface, DeNB is to RN
The first ECGI of the allocation identification RN or the first TAI enables MME to obtain DeNB_ID according to the first ECGI or the first TAI,
It realizes in junction network UE and is switched to being normally carried out for RN from eNB.
Fig. 7 is the flow chart of the 7th embodiment of switching method in junction network of the present invention.As shown in fig. 7, the present invention is real
It applies example and provides a kind of switching method in junction network, comprising:
Step 701, eNB receive the measurement report that UE is sent, and it is wide from the received system information of RN which carries UE
Broadcast the first area mark obtained in message；
Step 702, eNB according to the first area identify, to MME send handoff requirement message so that MME according to this first
Area identification sends switching request message to the DeNB of control RN, which indicates that UE request is switched to RN from eNB.
In embodiments of the present invention, by the way that when RN and DeNB establish interface, DeNB is identified to RN distribution first area, example
Such as first area mark can be the first ECGI or the first TAI.After RN receives the first area mark of DeNB distribution, to
All UE in coverage area send the system information broadcast message for carrying first area mark.Connection status is in when a certain
Cell of the UE from the cell of eNB to RN it is mobile when, which will receive the system for carrying first area mark of RN transmission
Information broadcast message, and measurement report further is sent to eNB, which carries UE from the received system information broadcast of RN
The first area mark obtained in message；In the present embodiment, eNB or MME can be identified according to first area and be obtained DeNB_
ID, therefore eNB sends handoff requirement message to MME, so that MME can send the switching for being switched to RN from eNB to the DeNB of RN
Request message.After RN receives the switching request message of DeNB forwarding, UE is carried out to access the RN according to the switching request message
Control operation.
Switching method in the junction network of the embodiment of the present invention passes through the first area mark to the RN allocation identification RN
Know, realizes in junction network UE from eNB and be switched to being normally carried out for RN.
Fig. 8 is the flow chart of the 8th embodiment of switching method in junction network of the present invention.As shown in figure 8, the present invention is real
It applies example and additionally provides a kind of switching method in junction network, comprising:
Step 801, eNB receive the measurement report that UE is sent, and it is wide from the received system information of RN which carries UE
The first ECGI obtained in message is broadcast, the first ECGI includes DeNB_ID；
The first ECGI that step 802, eNB are carried according to measurement report obtains DeNB_ID；
Step 803, eNB send handoff requirement message to MME, which carries DeNB_ID and the first ECGI,
So that MME sends switching request message to the DeNB of control RN according to the handoff requirement message, which carries the
One ECGI indicates that UE request is switched to RN from eNB.
In embodiments of the present invention, by the way that when RN and DeNB establish X2 interface, DeNB distributes the first ECGI to RN.RN connects
After the first ECGI for receiving DeNB distribution, all UE into coverage area send the system information broadcast for carrying the first ECGI
Message.When cell of a certain UE in connection status from the cell of eNB to RN is mobile, which will receive taking for RN transmission
System information broadcast message with the first ECGI, and measurement report further is sent to eNB, which carries UE from RN
The first ECGI obtained in received system information broadcast message；ENB obtains DeNB_ID according to the first ECGI, then to
MME sends handoff requirement message, which carries DeNB_ID and the first ECGI, so that MME is sent to the DeNB of RN
The switching request message of RN is switched to from eNB.Since the first ECGI is distributed by DeNB, first 20 are DeNB_ID, because
This eNB can obtain DeNB_ID according to the first ECGI, and send switching request message to the DeNB by MME.RN receives DeNB
After the switching request message of forwarding, the UE control for access the RN is operated according to the switching request message.
Alternatively, can also directly send the handoff requirement message for carrying the first ECGI to MME from eNB, then MME is according to this
First ECGI obtains the DeNB_ID being included in, and carries out subsequent operation.
Switching method in the junction network of the embodiment of the present invention is made by the first ECGI to the RN allocation identification RN
ENB can obtain DeNB_ID according to the first ECGI, realize in junction network UE from eNB and be switched to being normally carried out for RN.
Fig. 9 is the flow chart of the 9th embodiment of switching method in junction network of the present invention.As shown in figure 9, the present invention is real
It applies example and additionally provides a kind of switching method in junction network, comprising:
Step 901, eNB receive the measurement report that UE is sent, and it is wide from the received system information of RN which carries UE
The 3rd ECGI and the first TAI obtained in message is broadcast, the first TAI corresponds to unique DeNB_ID；
Step 902, eNB send handoff requirement message according to the measurement report, to MME, which carries the
Three ECGI and the first TAI, so that MME obtains DeNB_ID according to the first TAI, and sends switching request message to the DeNB, this is cut
It changes request message and carries the 3rd ECGI, indicate that UE request is switched to RN from eNB.
In embodiments of the present invention, by the way that when RN and DeNB establish X2 interface, RN reports the 3rd ECGI to DeNB.In RN
When establishing S1 interface with DeNB, DeNB to RN distribute the first TAI, and DeNB to RN distribute a TAI when follow following principle: no
Different TAI is distributed with the RN under DeNB, is not distributed for RN and shares TAI between DeNB.RN receives the first TAI of DeNB distribution
Afterwards, all UE into coverage area send the system information broadcast message for carrying the first TAI and the 3rd ECGI.It is in when a certain
When cell of the UE of connection status from the cell of eNB to RN is mobile, which will receive the first TAI of carrying and third of RN transmission
The system information of ECGI broadcasts the message, and further sends measurement report to eNB, which carries UE from the received system of RN
The 3rd ECGI and the first TAI obtained in system information broadcast message；ENB sends switching demand to MME according to the measurement report and disappears
Breath, the handoff requirement message carry the 3rd ECGI and the first TAI so that MME according to the first TAI obtain DeNB_ID, and to this
DeNB sends the switching request message that RN is switched to from eNB.Since the first TAI corresponds to unique DeNB_ID, MME can
DeNB_ID is obtained according to the first TAI, and sends the switching request message for carrying the 3rd ECGI to the DeNB.RN receives DeNB and turns
After the switching request message of hair, the UE control for access the RN is operated according to the switching request message.
Switching method in the junction network of the embodiment of the present invention, by the first TAI to the RN allocation identification RN, so that
MME can obtain DeNB_ID according to the first TAI, realize in junction network UE from eNB and be switched to being normally carried out for RN.
Figure 10 is the flow chart of the first specific embodiment of switching method in junction network of the present invention.As shown in Figure 10, originally
Inventive embodiments provide the switching method in a kind of junction network, specifically include:
Step 1001, RN establish request message (" X2_Setup_ to the X2 interface that DeNB sends carrying RN mark (RN_ID)
Request(RN_ID,…)")；
Step 1002, DeNB return to the response message (" X2_Setup_ for carrying the first ECGI of DeNB_ID and DeNB distribution
Response(DeNB_ID,ECGI_y,…)")；
Step 1003, RN establish request message (" S1_Setup_Request to the S1 interface that DeNB sends carrying RN_ID
(RN_ID,…)")；
Step 1004, DeNB are to RN returning response message (" S1_Setup_Reponse (...) ")；
Step 1005, when cell of the UE from the cell of eNB to RN in connection status is mobile, receive RN to covering model
System information broadcast (the System Information Broadcast for the first ECGI of carrying that UE in enclosing is sent；SIB) disappear
Breath (" SIB (ECGI_y ...) ")；
Step 1006, UE send the measurement report (" Measurement_Report (ECGI_ for carrying the first ECGI to eNB
y,…)")；
Step 1007, eNB obtain DeNB_ID according to the measurement report；
Step 1008, eNB send the handoff requirement message (" Handover_ for carrying DeNB_ID and the first ECGI to MME
Required(DeNB_ID,ECGI_y,…)")；
Step 1009, MME send the switching request message for carrying the first ECGI according to the DeNB_ID to corresponding DeNB
("Handover_Request(ECGI_y,…)")；
The switching request message is forwarded to RN by step 1010, DeNB；
Step 1011, RN operate the UE control for access the RN.
Switching method in the junction network of the embodiment of the present invention, by the way that when RN and DeNB establish interface, DeNB is to RN
The first ECGI of the allocation identification RN enables eNB to obtain DeNB_ID according to the first ECGI, realizes UE in junction network
Being normally carried out for RN is switched to from eNB.
Figure 11 is the flow chart of the second specific embodiment of switching method in junction network of the present invention.As shown in figure 11, originally
Inventive embodiments provide the switching method in a kind of junction network, specifically include:
Step 1101, RN establish request message (" X2_ to the X2 interface that DeNB sends carrying RN_ID and the 3rd ECGI
Setup_Request(RN_ID,ECGI_y,…)")；
Step 1102, DeNB return to the response message (" X2_Setup_Response (DeNB_ for carrying DeNB_ID
ID,…)")；
Step 1103, RN establish request message (" S1_Setup_Request to the S1 interface that DeNB sends carrying RN_ID
(RN_ID,…)")；
Step 1104, DeNB return to the response message (" S1_Setup_Reponse (TAI_ for carrying the first TAI to RN
Y ...) "), and base station distribution the update message (" eNB_Configuration_Update for carrying the first TAI is sent to MME
(TAI_y,…)")；
Step 1105, when cell of the UE from the cell of eNB to RN in connection status is mobile, receive RN to covering model
The SIB message (" SIB (ECGI_y, TAI_y ...) ") for carrying the 3rd ECGI and the first TAI that UE in enclosing is sent；
Step 1106, UE send the measurement report (" Measurement_ for carrying the 3rd ECGI and the first TAI to eNB
Report(ECGI_y,TAI_y,…)")；
Step 1107, eNB send the handoff requirement message for carrying RN_ID, the first TAI and the 3rd ECGI to MME
("Handover_Required(RN_ID,TAI_y,ECGI_y,…)")；
Step 1108, MME obtain DeNB_ID according to TAI_y；
Step 1109, MME send the switching request message for carrying the 3rd ECGI according to the DeNB_ID to the DeNB of control RN
("Handover_Request(ECGI_y,…)")；
The switching request message is forwarded to RN by step 1110, DeNB；
Step 1111, RN operate the UE control for access the RN.
Switching method in the junction network of the embodiment of the present invention, by the way that when RN and DeNB establish interface, DeNB is to RN
The first TAI of the corresponding unique DeNB of distribution, enables MME to obtain DeNB_ID according to the first TAI, realizes in junction network
UE is switched to being normally carried out for RN from eNB.
Figure 12 is the flow chart of the switching method third specific embodiment in junction network of the present invention.As shown in figure 12, originally
Inventive embodiments provide the switching method in a kind of junction network, specifically include:
Step 1201, RN receive the SIB message (" SIB (ECGI_ that the carrying that DeNB is sent identifies the 2nd ECGI of the DeNB
x,…)")；
Step 1202, RN send the allocation request message (" RN_ for carrying the 2nd ECGI to OAM equipment
Configuration_Request(ECGI_x,…)")；
Step 1203, OAM equipment return to the assignment response message (" RN_Configuration_ for carrying the first ECGI to RN
Response(ECGI_y,…)")；
Step 1204, RN establish request message (" X2_ to the X2 interface that DeNB sends carrying RN_ID and the first ECGI
Setup_Request(RN_ID,ECGI_y,…)")；
Step 1205, DeNB return to the response message (" X2_Setup_Response (DeNB_ for carrying DeNB_ID
ID,…)")；
Step 1206~1214, referring to step 1003~1011.
Switching method in the junction network of the embodiment of the present invention, by before RN and DeNB establish interface, OAM equipment
To RN distribution comprising DeNB_ID's and the first ECGI that is not used by DeNB, UE is realized in junction network from eNB and is switched to RN
Be normally carried out.
Figure 13 is the flow chart of the 4th specific embodiment of switching method in junction network of the present invention.As shown in figure 13, originally
Inventive embodiments provide the switching method in a kind of junction network, specifically include:
Step 1301, RN receive the SIB message (" SIB (ECGI_ that the carrying that DeNB is sent identifies the 2nd ECGI of the DeNB
x,…)")；
Step 1302, RN send the allocation request message (" RN_ for carrying the 2nd ECGI to OAM equipment
Configuration_Request(ECGI_x,…)")；
Step 1303, OAM equipment return to the assignment response message (" RN_Configuration_ for carrying the first TAI to RN
Response(TAI_y,…)")；
Step 1304, RN establish request message (" X2_ to the X2 interface that DeNB sends carrying RN_ID and the 3rd ECGI
Setup_Request(RN_ID,ECGI_y,…)")；
Step 1305, DeNB return to the response message (" X2_Setup_Response (DeNB_ for carrying DeNB_ID
ID,…)")；
Step 1306, RN establish request message (" S1_ to the S1 interface that DeNB sends carrying RN_ID and the first TAI
Setup_Request(RN_ID,TAI_y,…)")；
Step 1307, DeNB take to RN returning response message (" S1_Setup_Reponse (...) "), and to MME transmission
Base station distribution update message (" eNB_Configuration_Update (TAI_y ...) ") with the first TAI；
Step 1308~1314, referring to step 1105~1111.
Switching method in the junction network of the embodiment of the present invention, by before RN and DeNB establish interface, OAM equipment
The first TAI of unique DeNB corresponding to RN distribution realizes in junction network UE from eNB and is switched to being normally carried out for RN.
Figure 14 is the structural schematic diagram of relay station embodiment of the present invention.As shown in figure 14, the embodiment of the invention provides one
Kind relay station, comprising: the first receiving module 1401, the first sending module 1402 and processing module 1403.Wherein, first mould is received
Block 1401 is used to receive the first area mark for identifying the relay station and DeNB according to the switching request of first area mark forwarding
Message；First sending module 1402 sent for the UE into coverage area carry that the first receiving module 1401 receives this
The system information of one area identification broadcasts the message；Processing module 1403 is used for the switching received according to the first receiving module 1401
Request message operates the UE control for carrying out access relay station.
Specifically, the response that the first receiving module 1401 can be also used for that reception DeNB establishes request message to interface disappears
Breath, the response message carry the first area mark of DeNB distribution；Wherein, it includes that X2 interface foundation is asked that interface, which establishes request message,
Seek message, response message includes establishing the corresponding X2 response message of request message, the first area mark of DeNB distribution with X2 interface
Know the first ECGI carried for X2 response message, the first ECGI includes DeNB_ID.
Alternatively, it includes that X2 interface establishes request message and S1 interface establishes request message that interface, which establishes request message, X2 is connect
Mouth establishes request message and carries the 3rd ECGI reported to DeNB, and response message includes that establish request message with X2 interface corresponding
X2 response message and the corresponding S1 response message of request message is established with S1 interface, the first area of DeNB distribution is identified as S1 and rings
The first TAI for answering message to carry, the first TAI correspond to unique DeNB_ID.
In addition, the first receiving module 1401 can be also used for receiving the 2nd ECGI's for the carrying mark DeNB that DeNB is sent
System information broadcast message；The allocation request message for carrying the 2nd ECGI is sent to OAM equipment；And OAM equipment is received according to
The assignment response message for carrying first area mark that two ECGI are returned, the first area are identified as the comprising DeNB_ID
One ECGI, or the first TAI for the unique DeNB_ID of correspondence.
The relay station of the embodiment of the present invention realizes trunk network by the first area mark to the RN allocation identification RN
UE is switched to being normally carried out for RN from eNB in network.
Figure 15 is the structural schematic diagram of control base station embodiment of the present invention.As shown in figure 15, the embodiment of the invention provides
A kind of control base station, comprising: the second sending module 1501 and the second receiving module 1502.Wherein, the second sending module 1501 is used
In establishing request message according to the interface received, response message is sent to RN, which carries the mark distributed to RN
The first area of the RN identifies；Second receiving module 1502 is used to receive the switching request that MME is sent according to first area mark
Message, and it is forwarded to RN, so that RN operates the UE control for access the RN according to switching request message.
Further, it includes that X2 interface establishes request message that above-mentioned interface, which establishes request message, and above-mentioned response message includes
The corresponding X2 response message of request message is established with X2 interface, the first area of above-mentioned distribution is identified as the carrying of X2 response message
First ECGI, the first ECGI include the mark (DeNB_ID) of DeNB.
Alternatively, it includes that X2 interface establishes request message and S1 interface establishes request message that above-mentioned interface, which establishes request message,
The X2 interface establishes request message and carries the 3rd ECGI reported to DeNB, and above-mentioned response message includes establishing to request with X2 interface
The corresponding X2 response message of message and the corresponding S1 response message of request message, the first area of above-mentioned distribution are established with S1 interface
It is identified as the first TAI of S1 response message carrying, the mark (DeNB_ID) of the corresponding unique DeNB of the first TAI.
Further, the second sending module 1501 can be also used for sending base station distribution update message, the base station to MME
It distributes update message and carries first area mark, which is identified as the first TAI of S1 response message carrying, this first
TAI corresponds to unique DeNB_ID.
The control base station of the embodiment of the present invention realizes relaying by the first area mark to the RN allocation identification RN
UE is switched to being normally carried out for RN from eNB in network.
Figure 16 is the structural schematic diagram of base station embodiment of the present invention.As shown in figure 16, the embodiment of the invention provides one kind
Base station, comprising: third receiving module 1601 and third sending module 1602.Wherein, third receiving module 1601 is for receiving UE
The measurement report of transmission, the measurement report carry the first area that UE is obtained from the received system information broadcast message of RN and mark
Know；Third sending module 1602 sends handoff requirement message for identifying according to first area, to MME, so that MME is according to first
Area identification sends switching request message to the DeNB of control RN, which indicates that UE request is switched to from the base station
The RN.
Further, the first area that above-mentioned measurement report carries is identified as the first ECGI, and the first ECGI includes DeNB_
ID.At this point, third sending module 1602 is also used to the first ECGI carried according to measurement report, DeNB_ID is obtained, and to MME
Handoff requirement message is sent, which carries DeNB_ID and the first ECGI；Alternatively, third sending module 1602 is used
In directly sending handoff requirement message to MME, which carries the first ECGI, so that MME is according to the first ECGI
Obtain DeNB_ID.
Further, the first area that above-mentioned measurement report carries is identified as the first TAI, and the first TAI is corresponding unique
DeNB_ID.At this point, third sending module 1602 is also used to send handoff requirement message to MME, which carries the
Three ECGI and the first TAI so that MME obtains DeNB_ID according to the first TAI, and send the switching for carrying the 3rd ECGI to DeNB
Request message.
The base station of the embodiment of the present invention realizes junction network by the first area mark to the RN allocation identification RN
Middle UE is switched to being normally carried out for RN from eNB.
Figure 17 is the system block diagram of the switching system embodiment in junction network of the present invention.As shown in figure 17, the present invention is real
It applies example and provides a kind of switching system in junction network, comprising: relay station 1701, control base station 1702, base station 1703 and move
Mobility management entity 1704, wherein relay station 1701 is used to receive the first area mark for identifying the relay station 1701, to covering
UE in range sends the system information broadcast message for carrying first area mark, receives control base station 1702 according to first area
The switching request message of forwarding is identified, and the UE control for access the relay station 1701 is grasped according to the switching request message
Make；Control base station 1702 is used to establish request message according to the interface received, sends response message, the sound to relay station 1701
The first area for answering message to carry the mark relay station 1701 distributed to relay station 1701 identifies, and receives mobility management entity
The 1704 switching request message sent according to first area mark, and it is forwarded to relay station 1701, so that 1701 basis of relay station
Switching request message operates the UE control for carrying out access relay station 1701；Base station 1703 is used to receive the measurement report of UE transmission
It accuses, which carries the first area that UE is obtained from the received system information of relay station 1701 broadcast message and identify；Root
It is identified according to the first area, handoff requirement message is sent to mobility management entity 1704, so that mobility management entity 1704
It is identified according to the first area to the control base station 1702 of control relay station 1701 and sends switching request message, which disappears
Breath indicates that UE request is switched to relay station 1701 from base station 1703.
Specific descriptions in this system embodiment in the function of each module such as above-mentioned Figure 14~embodiment illustrated in fig. 17, herein
It repeats no more.
Switching system in the junction network of the embodiment of the present invention passes through the first area mark to the RN allocation identification RN
Know, realizes in junction network UE from eNB and be switched to being normally carried out for RN.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic disk or light
The various media that can store program code such as disk.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (17)
1. the switching method in a kind of junction network characterized by comprising
Base station receives the measurement report that terminal is sent, the measurement report carrier area mark；Wherein, the area identification is used for
It identifies relay station and the area identification includes the mark for controlling the control base station of the relay station, the area identification is institute
State what terminal was obtained from system information broadcast message；
The base station sends handoff requirement message to mobility management entity, and the handoff requirement message includes the area identification
With the mark of the control base station；So that the mobility management entity is according to the transmission carrying of the mark of the control base station
The switching request message of area identification is to the control base station；Wherein, the mark of the control base station is from the area identification
It obtains.
2. the method according to claim 1, wherein further include:
The base station obtains the area identification from the measurement report.
3. method according to claim 1 or 2, which is characterized in that further include:
The base station obtains the mark of the control base station from the area identification.
4. method according to claim 1 to 2, which is characterized in that further include:
The area identification is that operation-management-maintenance OAM equipment or the control base station distribute to the relay station.
5. method according to claim 1 to 2, which is characterized in that the area identification is that evolved universal terrestrial is wireless
Access network cell identity ECGI.
6. a kind of base station apparatus characterized by comprising
For receiving the unit of the measurement report of terminal transmission；Wherein, the measurement report carrier area mark, the region mark
Know for identifying relay station and the area identification includes the mark for controlling the control base station of the relay station, the region mark
Knowledge is that the terminal is obtained from system information broadcast message；
For sending the unit of handoff requirement message to mobility management entity；The handoff requirement message includes the region mark
Know the mark with the control base station；So that the mobility management entity is sent according to the mark of the control base station carries institute
The switching request message of area identification is stated to the control base station；Wherein, the mark of the control base station is marked from the region
Know acquisition.
7. device according to claim 6, which is characterized in that further include:
For obtaining the unit of the area identification from the measurement report.
8. device according to claim 6 or 7, which is characterized in that further include:
For obtaining the unit of the mark of the control base station from the area identification.
9. device according to claim 6 or 7, which is characterized in that the area identification is that operation-management-maintenance OAM is set
The standby or described control base station distributes to the relay station.
10. device according to claim 6 or 7, which is characterized in that the area identification is that evolved universal terrestrial wirelessly connects
Enter network cell identity mark ECGI.
11. the switching method in a kind of junction network characterized by comprising
Relay station obtains area identification, institute from control base station or operation-management-the maintenance OAM equipment for controlling the relay station
It includes the mark of the control base station that area identification, which is stated, to identify the relay station, the area identification；
Terminal of the relay station into coverage area sends the system information broadcast message for carrying the area identification, so that institute
It states terminal and sends the measurement report for carrying the area identification when mobile to the cell of the relay station to base station, in order to move
Dynamic management entity is used to indicate according to the transmission of the mark of the control base station in the area identification and switches to the relay station
Handover request to the control base station.
12. according to the method for claim 11, which is characterized in that further include:
The relay station receives the switching request that the control base station is sent.
13. method according to claim 11 or 12, which is characterized in that the area identification is that evolved universal terrestrial is wireless
Access network cell identity ECGI.
14. a kind of relay station apparatus characterized by comprising
For obtaining the list of area identification from control base station or operation-management-the maintenance OAM equipment for controlling the relay station
Member, the area identification include the mark of the control base station to identify the relay station, the area identification；
The unit for carrying the system information broadcast message of the area identification is sent for the terminal into coverage area, so that institute
It states terminal and sends the measurement report for carrying the area identification when mobile to the cell of the relay station to base station, in order to move
Dynamic management entity is used to indicate according to the transmission of the mark of the control base station in the area identification and switches to the relay station
Handover request to the control base station.
15. device according to claim 14, which is characterized in that further include:
For receiving the unit for the switching request that the control base station is sent.
16. device according to claim 14 or 15, which is characterized in that the area identification is that evolved universal terrestrial is wireless
Access network cell identity ECGI.
17. the switching system in a kind of junction network characterized by comprising
Such as the described in any item base station apparatus of claim 6-10；With
Such as the described in any item relay station apparatus of claim 14-16.
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| CN201410407247.5A CN104244343B (en) | 2009-12-31 | 2009-12-31 | Switching method and system, relay station, control base station and base station in junction network |
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| CN108307482B (en) * | 2016-08-22 | 2021-07-30 | 中兴通讯股份有限公司 | Equipment moving method, device and system, terminal and relay equipment |
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| CN1918924A (en) * | 2004-06-03 | 2007-02-21 | 松下电器产业株式会社 | Wireless network control system, wireless network control apparatus, and base station |
| WO2007124695A1 (en) * | 2006-04-28 | 2007-11-08 | Alcatel Lucent | An handoff control method,a repeater and a base station in a wireless access system |
| CN101562834A (en) * | 2008-04-16 | 2009-10-21 | 三星电子株式会社 | Method and system supporting macro base station to be switched over to household base station |
| CN101938734A (en) * | 2009-06-29 | 2011-01-05 | 华为技术有限公司 | Method for switch controlling, device and communication system |
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| CN104994575B (en) * | 2008-02-25 | 2019-12-06 | 北京三星通信技术研究有限公司 | Method for updating user equipment position information |
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| CN1918924A (en) * | 2004-06-03 | 2007-02-21 | 松下电器产业株式会社 | Wireless network control system, wireless network control apparatus, and base station |
| WO2007124695A1 (en) * | 2006-04-28 | 2007-11-08 | Alcatel Lucent | An handoff control method,a repeater and a base station in a wireless access system |
| CN101562834A (en) * | 2008-04-16 | 2009-10-21 | 三星电子株式会社 | Method and system supporting macro base station to be switched over to household base station |
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