CN105451364A - Pscell open/close method for dual connection system and eNBs - Google Patents

Pscell open/close method for dual connection system and eNBs Download PDF

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Publication number
CN105451364A
CN105451364A CN201410387777.8A CN201410387777A CN105451364A CN 105451364 A CN105451364 A CN 105451364A CN 201410387777 A CN201410387777 A CN 201410387777A CN 105451364 A CN105451364 A CN 105451364A
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China
Prior art keywords
prothetic group
auxiliary community
group station
special auxiliary
community
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CN201410387777.8A
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Chinese (zh)
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CN105451364B (en
Inventor
温萍萍
钱德瑞卡·沃拉尔
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Nokia Shanghai Bell Co Ltd
Alcatel Optical Networks Israel Ltd
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Alcatel Lucent Shanghai Bell Co Ltd
Alcatel Optical Networks Israel Ltd
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Priority to CN201410387777.8A priority Critical patent/CN105451364B/en
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Abstract

The embodiment of the invention provides a method for an SeNB for a dual connection system. A Pscell in a Pscell group of the dual connection system is allowed to be closed or opened. The mthod includes that: the SeNB triggers close or open of the Pscell. The invention also provides a method for an MeNB for the dual connection system, a method for the dual connection system, the SeNB for the dual connection system and the MeNB for the dual connection system.

Description

For method and the base station of the special auxiliary community On/Off of dual link system
Technical field
Embodiments of the invention relate generally to dual link system, and relate more particularly to the method for special auxiliary community On/Off in dual link system, and for the prothetic group station of the method and dominant base.
Background technology
The On/Off of small-cell and dual link system (DC) are about two of enhancement mode small-cell important propositions in 3GPP.Small-cell for Inter-Cell Interference Coordination and may be avoided, load balancing/object such as transfer and conserve energy and be unlocked adaptively or close.Based on the simulation result provided in RAN1, in order to obtain gain, need quick On/Off small-cell.In addition, in dual link system, UE can have simultaneously is connected with dominant base (MeNB) with prothetic group station (MeNB) two, and can be served by these two base stations simultaneously, MeNB has the function stronger than SeNB, such as, MeNB supports that C-plane is connected to MME via S1-MME, and is responsible for sending RRC signaling and mobile management to UE.Special auxiliary community (Pscell) in auxiliary cell set (SCG) is configured to have the function that some are similar to the basic community (primarycell) in carrier aggregation (CA), such as PUCCH transmission, and it can not be activated and deexcitation.If determine to close special auxiliary community, then can there is many problems, such as, whether special auxiliary community can all need to be clarified by the idiographic flow etc. that opens and closes of dormancy and the special auxiliary community of concrete process.
On the other hand, in dual link system, the activation/deactivation about community has achieved following deciding through consultation:
1, MeNB only can activate and the community of deexcitation MeNB; SeNB only can activate the community with deexcitation SeNB.Do not support the activation/deactivation across eNB.
2, special auxiliary community starts with state of activation when configuring, and can not be deactivated.
Therefore, for auxiliary community and prothetic group Zhan Fu community, activation in media interviews control packet data cell (MACPDU) can be reused and deexcitation control element (MACCE) carrys out On/Off.But current specification can not be supported to utilize activation and deexcitation control element (MACCE) to come the basic community of On/Off and special auxiliary community.
Summary of the invention
In view of problems of the prior art, each embodiment of the present invention gives based on the current solution fixed flow process of dual link system being processed to the process of special auxiliary community On/Off, it considers the different scenes that such as SeNB is configured to have a carrier wave or multiple carrier wave and different radio bearers (RB) type.Each embodiment of the present invention gives the new method utilizing activation and deexcitation control element (MACCE) to come the special auxiliary community of On/Off on the other hand.
A first aspect of the present invention provides a kind of method of the prothetic group station for dual link system, special auxiliary community in the auxiliary cell set of described dual link system allows to be closed or to open, and described method comprises: by described prothetic group station to trigger closedown or the unlatching of described special auxiliary community.
According to one embodiment of present invention, wherein when being triggered the closedown of described special auxiliary community by described prothetic group station, when subscriber equipment is only configured to have a carrier wave in described prothetic group station, described method comprises further: suspend the transmission between described subscriber equipment and described prothetic group station; Or send described special auxiliary community by pent message to dominant base, so that described dominant base determines whether add Xin Fu community thus complete special auxiliary cell change; Or determine the connection discharging described prothetic group station.
According to one embodiment of present invention, if also there are data to need to transmit between described prothetic group station and described subscriber equipment when suspending the transmission at described prothetic group station, and if the radio bearer type of the above-mentioned data of described dual link system is the carrying of auxiliary cell set, then described radio bearer type is changed into main plot group carrying.
According to one embodiment of present invention, if suspend the transmission between described subscriber equipment and described prothetic group station, described method comprises further: send special auxiliary community shutdown command to described dominant base, so that described dominant base notifies described subscriber equipment, special auxiliary community will be closed.
According to one embodiment of present invention, if determine the connection discharging described prothetic group station, described method comprises further: the request sending the connection at the described prothetic group station of release to described dominant base; Or send special auxiliary community shutdown command, so that described dominant base sends the order of the connection discharging described prothetic group station to described user to described dominant base.
According to one embodiment of present invention, if described dominant base is determined to add auxiliary community, described method comprises further: add request in response to the auxiliary community receiving the transmission of described dominant base, add Xin Fu community; And perform the change of special auxiliary community, to be closed order by described dominant base to the described subscriber equipment special auxiliary Cell Change Order of transmission and/or old special auxiliary community.
According to one embodiment of present invention, if described dominant base is determined not add auxiliary community, described method comprises further: suspend the transmission between described subscriber equipment and described prothetic group station or discharge the connection at described prothetic group station.
According to one embodiment of present invention, wherein when being triggered the closedown of described special auxiliary community by described prothetic group station, when described subscriber equipment is configured to have the multiple carrier wave in described prothetic group station, described method comprises: if there are other auxiliary communities to be suitable as described special auxiliary community, then perform the change of special auxiliary community; If or do not have other auxiliary communities to be suitable as special auxiliary community, would then send the message of will close special auxiliary community to described dominant base, so that described dominant base is determined to add Xin Fu community as special auxiliary community.
According to one embodiment of present invention, wherein when being triggered the unlatching of described special auxiliary community by described prothetic group station, described method comprises: send the information by opening described special auxiliary community, so that described dominant base notifies that described in described subscriber equipment, special auxiliary community will be unlocked to described dominant base.
A second aspect of the present invention provides a kind of method of the dominant base for dual link system, special auxiliary community in the auxiliary cell set of described dual link system allows to be closed or to open, and described method comprises: by dominant base to trigger closedown or the unlatching of described special auxiliary community.
According to one embodiment of present invention, wherein when being triggered the closedown of described special auxiliary community by described dominant base, when described subscriber equipment is only configured to have a carrier wave in described prothetic group station, described method comprises: send special auxiliary community turn-off request to described prothetic group station and add Xin Fu community for described user, if described prothetic group station accepts the special auxiliary community turn-off request that described dominant base sends, described prothetic group station performs the change of special auxiliary community; Or if Xin Fu community cannot be added for described user, then only send special auxiliary community turn-off request to described prothetic group station, if described prothetic group station accepts the special auxiliary community turn-off request that described dominant base sends, described auxiliary community is suspended the transmission between described subscriber equipment and described prothetic group station or is discharged the connection at described prothetic group station; If described prothetic group station does not accept the special auxiliary community turn-off request that described dominant base sends, described dominant base will receive the special auxiliary community turn-off request acknowledge message of described prothetic group station transmission, i.e. refuse information.
According to one embodiment of present invention, if wherein the connection discharging described prothetic group station is determined at described prothetic group station, described method comprises further: the request receiving the described prothetic group station of release from described prothetic group station; Or receive special auxiliary community shutdown command in response to from described prothetic group station, send the order of the connection discharging described prothetic group station to described user.
According to one embodiment of present invention, when wherein triggering the closedown of special auxiliary community by described dominant base, when described subscriber equipment is configured to have the multiple carrier wave in described prothetic group station, described method comprises: send special auxiliary community turn-off request to described prothetic group station, if described prothetic group station accepts the special auxiliary community turn-off request that described dominant base sends, described prothetic group is stood erectly to connect and is performed special auxiliary cell change; Or special auxiliary community turn-off request and the interpolation request of auxiliary community is sent to described prothetic group station, if described prothetic group station accepts the special auxiliary community turn-off request that described dominant base sends, described prothetic group station performs the change that confirmation and special auxiliary community are added in auxiliary community, is new auxiliary community of adding by special auxiliary cell change; If described prothetic group station does not accept the special auxiliary community turn-off request that described dominant base sends, described dominant base will receive the special auxiliary community turn-off request acknowledge message of described prothetic group station transmission, i.e. refuse information.
According to one embodiment of present invention, if wherein described prothetic group station does not have suitable community to be suitable as new special auxiliary community, described method comprises further: add request in response to receiving auxiliary community from described prothetic group station, determine whether to add auxiliary community.
According to one embodiment of present invention, if can not add auxiliary community, described method comprises further: notify described prothetic group station, so that described prothetic group station is suspended the transmission between described subscriber equipment and described prothetic group station or discharged the connection at described prothetic group station.
According to one embodiment of present invention, when wherein triggering the unlatching of described special auxiliary community by described dominant base, described method comprises: send the request of opening special auxiliary community to described prothetic group station, so that described prothetic group station determines whether open described special auxiliary community.
According to one embodiment of present invention, comprise further: if described prothetic group station determines to open described special auxiliary community, then in response to the information received opening described special auxiliary community from described prothetic group station, notify that described in described subscriber equipment, special auxiliary community will be unlocked.
According to one embodiment of present invention, when being wherein configured when the measurement Jin Fu community based on DRS is closed, when special auxiliary community is closed, described dominant base sends about reshuffling of measuring in the RRC connection that the closedown for special auxiliary community is correlated with is reshuffled.
According to one embodiment of present invention, wherein: described dominant base Jin Fu community is added or provided measurement result to described prothetic group station when setting up; Or described dominant base sends measurement result to described prothetic group station termly; Or described prothetic group station sends measurement result to described dominant base request.
According to one embodiment of present invention, wherein: close/open related command until send special auxiliary community and obtain the acknowledge message from described subscriber equipment, performing the closedown/unlatching of corresponding auxiliary community; Or while related command is closed/opened in the special auxiliary community of transmission, perform the closedown/unlatching of corresponding auxiliary community.
According to one embodiment of present invention, wherein: between described dominant base and described prothetic group station, indicate the closedown/unlatching of special auxiliary community to indicate clearly; Or impliedly indicate the closedown/unlatching of special auxiliary community to indicate between described dominant base and described prothetic group station.
According to one embodiment of present invention, wherein: the described special auxiliary community of described subscriber equipment can be activated and deexcitation.Described dominant base in described dual link system and described prothetic group station can carry out activating and deexcitation across the community of base station.
According to one embodiment of present invention, comprise further: indicate the activation of described special auxiliary community and deexcitation to indicate the opening and closing of described special auxiliary community by the activation in media interviews control packet data cell (MACPDU) and deexcitation control element (MACCE) to described subscriber equipment.
According to one embodiment of present invention, a new logic channel id (LCID) in the sub-head of MACPDU is wherein used to indicate described activation and deexcitation MACCE to comprise the activation/deactivation field of special auxiliary community; And use activate and deexcitation MACCE in the Ci field with largest cell index value or minimum cell index value be not configured to indicate the activation/deactivation state of the special auxiliary community in auxiliary cell set.
According to one embodiment of present invention, the R bit in activation/deactivation MACCE is wherein used to indicate described activation and deexcitation MACCE to comprise the activation/deactivation field of special auxiliary community; And use the Ci field with largest cell index value or minimum cell index value be not configured in activation/deactivation MACCE to indicate the activation/deactivation state of the special auxiliary community in auxiliary cell set.
According to one embodiment of present invention, wherein use a new logic channel id (LCID) in the sub-head of MACPDU to indicate described activation and deexcitation MACCE to comprise the activation/deactivation field of special auxiliary community, and use the R bit in activation/deactivation MACCE to indicate the activation/deactivation state of the special auxiliary community in auxiliary cell set.
According to one embodiment of present invention, wherein send to described user the activation/deactivation that activation/deactivation MACCE comes to indicate to described subscriber equipment special auxiliary community by described dominant base.
According to one embodiment of present invention, wherein carry out by described prothetic group station the deexcitation coming to indicate to described subscriber equipment special auxiliary community to described subscriber equipment transmission activation/deactivation MACCE, and come to send the activation of activation/deactivation MACCE to the special auxiliary community of described subscriber equipment instruction to described subscriber equipment by described dominant base.
According to one embodiment of present invention, wherein when described special auxiliary community is closed, if perform the change of special auxiliary community, then the shutdown command of special auxiliary community is sent by described dominant base or described prothetic group station; And send new special auxiliary cell configuration to described subscriber equipment.
According to one embodiment of present invention, described dominant base or described prothetic group station use activation/deactivation MACCE to send the order of the deexcitation of special auxiliary community to indicate the closedown of special auxiliary community.
According to one embodiment of present invention, wherein send new special auxiliary cell configuration by dominant base to described subscriber equipment by RRC signaling, during after the shutdown command receiving special auxiliary community and before receiving described special auxiliary cell configuration newly, suspend communicating of described subscriber equipment and described auxiliary community.
According to one embodiment of present invention, wherein except being configured with used special auxiliary community, described subscriber equipment has also been configured the special auxiliary community of candidate, described subscriber equipment, after the order of cut out receiving special auxiliary community, automatically adopts the special auxiliary community of described candidate as new special auxiliary community.
According to one embodiment of present invention, together with the special auxiliary cell configuration field of wherein said candidate is added on used special auxiliary cell configuration field.
According to one embodiment of present invention, when described subscriber equipment is configured to have the multiple carrier wave in described prothetic group station, wherein: when the order of the deexcitation of special auxiliary community is sent out, described prothetic group station also sends the deactivation command to other auxiliary communities; Or when the order of the activation of special auxiliary community is sent out, described prothetic group station also sends the activation command to other auxiliary communities.
Present invention also offers a kind of prothetic group station for dual link system and a kind of dominant base for dual link system.
By embodiments of the invention, determine the On/Off process of special auxiliary community, the technology that On/Off and the dual link system of small-cell can be important as two in the technology of enhancement mode small-cell can together with work.
Further, by embodiments of the invention, owing to employing MAC signaling, small-cell On/Off can reduce (within 10ms) change-over time, therefore utilizes quick small-cell On/Off and obtains gain.Further, by redefining activation and deexcitation MACCE simply, embodiments of the invention have less standardization impact.
Accompanying drawing explanation
By reference to accompanying drawing reading detailed description hereafter, above-mentioned and other objects of the embodiment of the present invention, feature and advantage will be easy to understand.In the accompanying drawings, show some embodiments of the present invention by way of example, and not by way of limitation, wherein:
Fig. 1 shows the signaling process figure closed for the special auxiliary community of auxiliary base station triggers according to an embodiment of the invention;
Fig. 2 shows the signaling process figure closed for the special auxiliary community of auxiliary base station triggers according to an embodiment of the invention;
Fig. 3 shows the signaling process figure closed for the special auxiliary community of auxiliary base station triggers according to an embodiment of the invention;
Fig. 4 shows the signaling process figure closed for the special auxiliary community of auxiliary base station triggers according to an embodiment of the invention;
Fig. 5 shows the signaling process figure closed for the special auxiliary community of auxiliary base station triggers according to an embodiment of the invention;
Fig. 6 shows the signaling process figure closed for the special auxiliary community of auxiliary base station triggers according to an embodiment of the invention;
Fig. 7 shows the signaling process figure triggering special auxiliary community closedown for dominant base according to an embodiment of the invention;
Fig. 8 shows the signaling process figure triggering special auxiliary community closedown for dominant base according to an embodiment of the invention;
Fig. 9 shows the signaling process figure triggering special auxiliary community closedown for dominant base according to an embodiment of the invention;
Figure 10 shows the signaling process figure opened for the special auxiliary community of auxiliary base station triggers according to an embodiment of the invention;
Figure 11 shows the signaling process figure triggering special auxiliary community unlatching for dominant base according to an embodiment of the invention;
Figure 12 is the diagram of activation/deactivation MAC control element;
Figure 13 is the block diagram at prothetic group station according to an embodiment of the invention;
Figure 14 is the block diagram of dominant base according to an embodiment of the invention.
Embodiment
Hereinafter with reference to the some exemplary embodiments shown in accompanying drawing, principle of the present invention and spirit are described.Should be appreciated that describing these embodiments is only used to enable those skilled in the art to understand better and realize the present invention, and not limit the scope of the invention by any way.
Due to the problem that embodiments of the invention are the On/Off of small-cell and dual link system how coordinated manipulation for one of problem of solving.Due in the technology of enhancement mode small-cell, small-cell for Inter-Cell Interference Coordination and may be avoided, load balancing/object such as transfer and conserve energy and be unlocked adaptively or close.Again due in dual link system, special auxiliary community is configured to have the function of such as PUCCH transmission, and its status is different from other auxiliary community, and it can not be activated and deexcitation.So, when the On/Off function of small-cell uses together with dual link system, if specify that special auxiliary community can be closed, then can there is many problems when closing special auxiliary community, one of object of embodiments of the invention is just clear and definite or clarifies in dual link system for closing the concrete operation step of auxiliary community.
According to a first aspect of the invention, the special auxiliary community in the auxiliary cell set of dual link system allows to be closed or to open, closedown or the unlatching of special auxiliary community can be triggered by prothetic group station.
Particularly, it will be appreciated by those skilled in the art that, closedown or the unlatching of special auxiliary community may be triggered in prothetic group station under the condition considering many factors, such as in order to load minimizing, load balancing, interference coordination, interference are avoided, saved energy etc. reason.Those skilled in the art also will understand, and prothetic group station also may according to other closedown or unlatching because usually triggering special auxiliary community.
Due in dual link system, subscriber equipment (UE) can be configured the carrier wave had in prothetic group station, also may be configured the multiple carrier waves had in prothetic group station.In both cases, after the closedown of the special auxiliary community of auxiliary base station triggers, the required operation performed is not identical.
According to one embodiment of present invention, when subscriber equipment is only configured the carrier wave had in prothetic group station, prothetic group can carry out following three kinds of operations accordingly after standing in the closedown triggering special auxiliary community.
A the transmission between subscriber equipment and prothetic group station can be suspended in () prothetic group station, the corresponding signaling diagram of this situation is shown in Figure 1.In this operation, prothetic group station just can send the shutdown command of special auxiliary community to dominant base, dominant base can will be closed the special auxiliary community of notifying user equipment, and such as, by RRC signaling, such as RRC connects reconfiguration message and sends the pent information in special auxiliary community.The RRC signaling used above those skilled in the art will appreciate that is only a kind of example, and dominant base can also carry out notifying user equipment by other message means.
If the closedown of special auxiliary community is because load reduces or interference, then data may be also had when the transmission between subscriber equipment and prothetic group station is suspended to need to send subscriber equipment to by prothetic group station.
In this case, if the radio bearer of dual link system (RB) type is the carrying of auxiliary cell set, then should perform auxiliary cell set modification process, wireless radio bearer type to be changed into the carrying of main plot group from the carrying of auxiliary cell set.So, need the data being sent to subscriber equipment by prothetic group station can be transmitted by dominant base, the signaling diagram of this solution shows in fig 2.
The flow control function now in dominant base if radio bearer type is segmentation carrying, then do not need the amendment carrying out radio bearer, because can control not make data by auxiliary base-station transmission for this segmentation carrying.
If do not have data to need to send subscriber equipment to by prothetic group station when the transmission between subscriber equipment and prothetic group station is suspended, then do not need the amendment performing bearer types yet.
B () sends special auxiliary community by pent message to dominant base, so that dominant base determines whether add Xin Fu community thus complete special auxiliary cell change, the signaling diagram of this operation correspondence is shown in Figure 3.In this operation, because special auxiliary community will be closed, so prothetic group station can perform the change of special auxiliary community.Current, reach in dual link system and decided through consultation as follows: decided the special auxiliary community in auxiliary cell set by prothetic group station; Auxiliary cell set modification process can be used to change the special auxiliary community in auxiliary community.But due in the present embodiment, subscriber equipment is only configured the carrier wave had in prothetic group station.So do not have other auxiliary community can change as special auxiliary community.
In this case, to dominant base, prothetic group station can notify that special auxiliary community is by pent and need reformed state, triggers the interpolation to auxiliary community thus.Dominant base can determine whether interpolation one Ge Fu community.
If dominant base is determined to add auxiliary community, request is added in response to the auxiliary community receiving dominant base transmission in prothetic group station, adds Xin Fu community; And perform the change of special auxiliary community, to be closed order by dominant base to the subscriber equipment special auxiliary Cell Change Order of transmission and/or old special auxiliary community.
If dominant base is determined not add auxiliary community, then prothetic group station is suspended the transmission between subscriber equipment and prothetic group station or is discharged the connection at prothetic group station.
C the connection discharging prothetic group station is determined at () prothetic group station, the corresponding signaling diagram of this operation is shown in Figure 4.In this case, prothetic group station sends the request of the connection at release prothetic group station to dominant base; Or prothetic group station sends special auxiliary community shutdown command, so that described dominant base sends the order of the connection discharging described prothetic group station to described user to described dominant base.
According to another embodiment of the invention, when subscriber equipment is configured to have the multiple carrier wave in prothetic group station, prothetic group can carry out following two kinds of operations accordingly after standing in the closedown triggering special auxiliary community.
If a () has other auxiliary communities to be suitable as special auxiliary community, then prothetic group station performs the change of special auxiliary community, and the corresponding signaling diagram of this operation is shown in Figure 5.Due in the present embodiment, subscriber equipment is configured the multiple carrier waves had in prothetic group station, when so current special auxiliary community is closed, prothetic group station can select a suitable auxiliary community as new special auxiliary community in other auxiliary community, then carries out the change process of auxiliary community.
If b () does not have other auxiliary communities to be suitable as special auxiliary community, then prothetic group station sends the message of will close special auxiliary community to dominant base, so that dominant base is determined to add Xin Fu community as special auxiliary community, the corresponding signaling diagram of this operation is shown in Figure 6.In this case, do not have other auxiliary communities to be suitable as reason that special auxiliary community may be the load due to such as PUCCH.Those skilled in the art will appreciate that also may because other reason causes not having other auxiliary communities to be suitable as special auxiliary community.In this case, dominant base can be asked prothetic group station to add Xin Fu community and is used as special auxiliary community.
In the present embodiment, what special auxiliary community was closed can carry out notifying user equipment by RRC signaling.But those skilled in the art will appreciate that the present invention is not limited to this, notifying user equipment can also be carried out by other message signaling.Or in the present embodiment, after special auxiliary cell change, special auxiliary community before has become common auxiliary community, then its closedown can have been performed by the activation in such as carrier aggregation and deexcitation MAC order.
In addition, in the present embodiment, because the auxiliary community that there are other can be served for UE, so radio bearer type does not need amendment.
According to another embodiment of the invention, the special auxiliary community in the auxiliary cell set of dual link system allows to be closed or to open, can be triggered the unlatching of special auxiliary community by prothetic group station, the corresponding signaling diagram of this operation is shown in Figure 10.
After prothetic group stands in the unlatching triggering special auxiliary community, auxiliary community can send the information of the special auxiliary community of unlatching, so that the special auxiliary community of dominant base notifying user equipment will be unlocked to dominant base.In this case, dominant base can carry out by RRC signaling the information that notifying user equipment will be unlocked about special auxiliary community.But those skilled in the art will appreciate that and the present invention is not limited thereto, other information order can also be used to carry out notifying user equipment.
According to a second aspect of the invention, the special auxiliary community in the auxiliary cell set of dual link system allows to be closed or to open, closedown or the unlatching of special auxiliary community can be triggered by dominant base.
Particularly, it will be appreciated by those skilled in the art that, dominant base may trigger closedown or the unlatching of special auxiliary community under the condition considering many factors, such as in order to load minimizing, load balancing, interference coordination, interference are avoided, saved energy etc. reason.Those skilled in the art also will understand, and dominant base also may according to other closedown or unlatching because usually triggering special auxiliary community.
Due in dual link system, subscriber equipment (UE) can be configured the carrier wave had in prothetic group station, also may be configured the multiple carrier waves had in prothetic group station.In both cases, the operation of dominant base required execution after triggering the closedown of special auxiliary community is not identical.
According to one embodiment of present invention, when subscriber equipment is only configured the carrier wave had in prothetic group station, dominant base can carry out following corresponding operation after the closedown triggering special auxiliary community.
A () dominant base sends special auxiliary community turn-off request and adds Xin Fu community for user to prothetic group station, if prothetic group station accepts the special auxiliary community turn-off request that dominant base sends, and the change of the special auxiliary community of execution, prothetic group station.In this case, special auxiliary cell change can be the auxiliary community of the determined new interpolation of dominant base by prothetic group station, and then closes previous special auxiliary community.The corresponding signaling diagram of this operation is shown in Figure 7.
If b () dominant base cannot add Xin Fu community for user, then dominant base only sends special auxiliary community turn-off request to prothetic group station, if prothetic group station accepts the special auxiliary community turn-off request that described dominant base sends, auxiliary community is suspended the transmission between subscriber equipment and prothetic group station or is discharged the connection at prothetic group station.In this case, prothetic group stand in receive that dominant base sends send special auxiliary community turn-off request after, can send particular cell shutdown command to dominant base and suspend the transmission by prothetic group station, signaling diagrams of this kind of these operations of situation are shown in Figure 8.
If the connection discharging prothetic group station is determined at prothetic group station, then dominant base receives the request at release prothetic group station from prothetic group station; The signaling diagram of this kind of situation is shown in Figure 9.Or dominant base receives special auxiliary community shutdown command in response to from prothetic group station, send the order at release prothetic group station to user.
If prothetic group station does not accept the special auxiliary community turn-off request that dominant base sends, dominant base will receive the special auxiliary community turn-off request acknowledge message of prothetic group station transmission, i.e. refuse information.
According to another embodiment of the invention, when subscriber equipment is configured to have the multiple carrier wave in prothetic group station, dominant base can carry out following corresponding operation after the closedown triggering special auxiliary community.
Dominant base sends special auxiliary community turn-off request to prothetic group station, if prothetic group station accepts the special auxiliary community turn-off request that dominant base sends, prothetic group is stood erectly to connect and performed special auxiliary cell change; In the present embodiment, because subscriber equipment is configured multiple carrier waves of having in prothetic group station, so when special auxiliary community is closed, if there is suitable auxiliary community as special auxiliary community, prothetic group station can directly select suitable auxiliary community as new special auxiliary community from remaining auxiliary community.
If prothetic group station does not have suitable community to be suitable as new special auxiliary community, then prothetic group station sends the interpolation request of prothetic group station to dominant base, and dominant base adds request in response to receiving auxiliary community from prothetic group station, determines whether to add auxiliary community.
If dominant base can not add auxiliary community, then dominant base notice prothetic group station, so that prothetic group station is suspended the transmission between subscriber equipment and prothetic group station or is discharged the connection at prothetic group station.
Or
Dominant base sends special auxiliary community turn-off request to prothetic group station and request is added in auxiliary community, if prothetic group station accepts the special auxiliary community turn-off request that dominant base sends, prothetic group station performs the change that confirmation and special auxiliary community are added in auxiliary community, is new auxiliary community of adding by special auxiliary cell change; In this case, dominant base can send Xin Fu community directly to prothetic group station and add request while sending special auxiliary community turn-off request to prothetic group station, prothetic group can add Xin Fu community as special auxiliary community after standing in and receiving this request, and the auxiliary community before need not selecting is used as special auxiliary community.
If prothetic group station does not accept the special auxiliary community turn-off request that dominant base sends, dominant base will receive the special auxiliary community turn-off request acknowledge message of prothetic group station transmission, i.e. refuse information.
According to another embodiment of the invention, the special auxiliary community in the auxiliary cell set of dual link system allows to be closed or to open, can be triggered the unlatching of special auxiliary community by dominant base, the corresponding signaling diagram of this operation is shown in Figure 11.
After dominant base triggers the unlatching of special auxiliary community, dominant base can send the request of opening special auxiliary community to prothetic group station, so that prothetic group station determines whether open special auxiliary community.
If prothetic group station determines to open special auxiliary community, then prothetic group station sends the information of the special auxiliary community of unlatching to dominant base, and in response to the information received opening special auxiliary community from prothetic group station, the special auxiliary community of dominant base notifying user equipment will be unlocked.
According to one embodiment of present invention, to be triggered by prothetic group station or dominant base in the embodiment of closing special auxiliary community above-mentioned, configuration is measured for RRM, two kinds of selections can be had.A kind of selection is, no matter be all configured with the measurement based on finding reference signal (DRS) when opening in small-cell or close; Alternatively, be just configured based on when finding that the measurement of reference signal is only closed in small-cell.Therefore, according to the present embodiment of the present invention, if based on when finding that the measurement Jin Fu community of reference signal is configured when closing, when special auxiliary community is closed, dominant base also should send about reshuffling of measuring in the RRC connection that the closedown for special auxiliary community is correlated with is reshuffled.
In addition, about dual link system, RAN2 has decided through consultation that special auxiliary community is decided at prothetic group station, and dominant base Jin Fu community is added or just provided measurement result when setting up.But, in an embodiment of the present invention, for the change process of special auxiliary community, still need this measurement.
According to one embodiment of present invention, three kinds are provided for providing the selection of measurement result.The first selection does not change existing rule to obtain the measurement for dual link, and namely dominant base Jin Fu community is added or provided measurement result when setting up.The second is selected, and dominant base sends measurement result to prothetic group station termly, or sends other information being used for small-cell On/Off and determining, such as load state information etc. simultaneously.The third selection is that auxiliary base station requests dominant base sends measurement result.
In addition, according to one embodiment of present invention, in each embodiment described above, prothetic group station until send special auxiliary community and close/open related command and obtain the acknowledge message from subscriber equipment, then can perform the closedown/unlatching of corresponding auxiliary community; Or prothetic group station while related command is closed/opened in the special auxiliary community of transmission, can perform the closedown/unlatching of corresponding auxiliary community.
In addition, according to another embodiment of the invention, the closedown/unlatching of special auxiliary community can be indicated between dominant base and prothetic group station clearly to indicate; Or can impliedly indicate the closedown/unlatching of special auxiliary community to indicate between dominant base and prothetic group station.
According to a third aspect of the invention we, in existing dual link system, there are two MAC entity corresponding to main plot group and auxiliary cell set.Dominant base only can activate the community with deexcitation dominant base, and the community with deexcitation prothetic group station only can be activated in prothetic group station.Dominant base and prothetic group station all will use traditional activation/deactivation MAC control element MACCE defined for state of carrier aggregation.
Activation/deactivation MACCE identifies by the sub-head logic channel ID (LCID) of media interviews control packet data cell (MACPDU), as defined in following form 1.MACCE has fixing size and is made up of single eight hytes, and this eight hyte comprises 7 C-fields and a R-field.The definition of activation/deactivation MACCE illustrates in fig. 12.
C ifield: the instruction of this field is configured with the activation/deactivation state that auxiliary cell index is the auxiliary community of i, if the auxiliary community with this index is not configured, subscriber equipment will ignore the C of this call number ifield.C ifield is set to 1 and will be activated to indicate the auxiliary community of this index; And C ifield is set to 0 and will be deactivated to indicate the auxiliary community of this index.
R field: reserved bit, is set to 0.
Form 1 is for the value of the LCID of DL-SCH
The activation/deactivation MACCE of current definition only can activate and deexcitation prothetic group Zhan Fu community, because special auxiliary community can not be deactivated based on current deciding through consultation.Therefore, existing MACCE must be modified to the deexcitation for supporting special auxiliary community.In an embodiment of the present invention, provide a kind of MACCE of improvement to support the deexcitation of special auxiliary community, thus may be used for the special auxiliary community of quick On/Off.
In addition, when the change of special auxiliary community will likely be carried out in special auxiliary community when being closed.Such as, if there is more than one auxiliary community in prothetic group station, then the change carrying out special auxiliary community before closing special auxiliary community is logical.Although the new MACCE using embodiments of the invention to provide can accelerate the deexcitation of special auxiliary community, new special auxiliary cell configuration still should be obtained by RRC signaling.Therefore, what need solution is not only the process how performed above, also needs to reduce fringe time.In other embodiment of the present invention, not only define process above but also give and can reduce the solution that the fringe time between the closedown of small-cell is opened in small-cell.
According to embodiments of the invention, in dual link system, the special auxiliary community of subscriber equipment can be activated and deexcitation, and dominant base in this dual link system and prothetic group station can carry out activating and deexcitation across the community of base station.
Particularly, according to one embodiment of present invention, the activation of special auxiliary community and deexcitation is indicated to indicate the opening and closing of special auxiliary community by the activation in media interviews control packet data cell (MACPDU) and deexcitation control element (MACCE) to subscriber equipment.
For the MACCE of existing definition, if when indicating the activation/deactivation of special auxiliary community by dominant base, following method can be adopted:
A () can use a reserved LCID (01011-11010), such as, 01011 indicates activation and deexcitation MACCE can not only indicate the activation/deactivation state of Zu Zhongfu community, main plot, but also can indicate the activation/deactivation state of the special auxiliary community in auxiliary cell set.
Such as, if the four Ge Fu communities with auxiliary cell index 1,4,5,6 are arranged to main plot group, then C in Figure 12 ithe index 2,3,7 of field is not used.So, maximum non-configuration index C7 or minimum non-configuration index C2 can be used to refer to the activation/deactivation state of the special auxiliary community in auxiliary cell set.This field is set to 1 and will be activated to indicate the special auxiliary community in auxiliary cell set, and this field is set to 0 and will be deactivated to indicate the special auxiliary community in auxiliary cell set.
B () still uses original activation and deexcitation MACCE to indicate activation and deexcitation MACCE to indicate the activation/deactivation state of Zu Zhongfu community, main plot, but also can indicate the activation/deactivation state of the special auxiliary community in auxiliary cell set.In this case, R bit can be used to refer to the activation/deactivation state whether this activation and deexcitation MACCE can indicate the special auxiliary community in auxiliary cell set.
R bit can be set to 0 used to indicate traditional MACCE, namely this MACCE only indicates the activation/deactivation of Zu Zhongfu community, main plot.
R bit can be set to 1 to the activation/deactivation indicating this activation/deactivation MACCE can not only indicate Zu Zhongfu community, main plot, and the activation/deactivation state of the special auxiliary community in auxiliary cell set can be indicated.
In this case, the C with maximum non-configuration index or minimum non-configuration index can still be used ifield indicates the activation/deactivation state of the special auxiliary community in auxiliary cell set.
C () can use a reserved LCID (01011-11010), such as, 01011 indicates activation and deexcitation MACCE can not only indicate the activation/deactivation state of Zu Zhongfu community, main plot, but also can indicate the activation/deactivation state of the special auxiliary community in auxiliary cell set.
Meanwhile, directly R bit can be used to refer to the activation/deactivation state of the special auxiliary community in auxiliary cell set.R bit is set to 1 and will be activated to indicate the special auxiliary community in auxiliary cell set, and R bit is set to 0 and will be activated to indicate the special auxiliary community in auxiliary cell set.
For the MACCE of existing definition, if when indicating the deexcitation of special auxiliary community by prothetic group station, three kinds of configurations of above-mentioned MACCE can similarly be used in prothetic group station.The deexcitation time caused by undesirable back haul link between dominant base and prothetic group station can be reduced thus.
Therefore, according to some embodiments of the present invention, indicate the activation of special auxiliary community and deexcitation to indicate the concrete indicating mode of the opening and closing of special auxiliary community can have following three kinds to subscriber equipment.
According to one embodiment of present invention, a new logic channel id (LCID) in the sub-head of MACPDU is used to indicate activation and deexcitation MACCE to comprise the activation/deactivation field of special auxiliary community; And use the C with largest cell index value or minimum cell index value be not configured activated and in deexcitation MACCE ifield indicates the activation/deactivation state of the special auxiliary community in auxiliary cell set.
According to another embodiment of the invention, the R bit in activation/deactivation MACCE is used to indicate activation and deexcitation MACCE to comprise the activation/deactivation field of special auxiliary community; And use the C with largest cell index value or minimum cell index value be not configured in activation/deactivation MACCE ifield indicates the activation/deactivation state of the special auxiliary community in auxiliary cell set.
According to still a further embodiment, use a new logic channel id (LCID) in the sub-head of MACPDU to indicate activation and deexcitation MACCE to comprise the activation/deactivation field of special auxiliary community, and use the R bit in activation/deactivation MACCE to indicate the activation/deactivation state of the special auxiliary community in auxiliary cell set.
In addition, because dominant base and prothetic group station can send activation/deactivation MACCE, or also can carry out by other signaling the deexcitation indicating special auxiliary community to subscriber equipment.Therefore, both also can carry out by prothetic group station the deexcitation indicating special auxiliary community to subscriber equipment by dominant base.But after deexcitation, auxiliary community no longer has the connection between subscriber equipment, so the instruction activated can only be indicated to subscriber equipment by dominant base.
According to one embodiment of present invention, can be come to indicate the activation/removal of special auxiliary community to activate to subscriber equipment by dominant base.
According to another embodiment of the invention, can carry out by prothetic group station the deexcitation indicating special auxiliary community to subscriber equipment, and carry out by dominant base the activation indicating special auxiliary community to subscriber equipment.
According to one embodiment of present invention, when special auxiliary community is closed, if perform the change of special auxiliary community, the shutdown command of special auxiliary community is sent by dominant base or prothetic group station; And send new special auxiliary cell configuration to subscriber equipment.According to another embodiment of the invention, dominant base or prothetic group station use activation/deactivation MACCE to send the order of the deexcitation of special auxiliary community to indicate the closedown of special auxiliary community.
According to one embodiment of present invention, wherein send new special auxiliary cell configuration by dominant base to subscriber equipment by RRC signaling, during after the shutdown command receiving special auxiliary community and before receiving new special auxiliary cell configuration, time-out subscriber equipment communicates with auxiliary community.
According to one embodiment of present invention, wherein except being configured with used special auxiliary community, subscriber equipment has also been configured the special auxiliary community of candidate, subscriber equipment, after the order of cut out receiving special auxiliary community, automatically adopts the special auxiliary community of candidate as new special auxiliary community.
According to another embodiment of the invention, together with wherein the special auxiliary cell configuration field of candidate is added on used special auxiliary cell configuration field.
According to one embodiment of present invention, when described subscriber equipment is configured to have the multiple carrier wave in described prothetic group station, wherein when the order of the deexcitation of special auxiliary community is sent out, described prothetic group station also sends the deactivation command to other auxiliary communities; Or when the order of the activation of special auxiliary community is sent out, described prothetic group station also sends the activation command to other auxiliary communities.
According to a forth aspect of the invention, the present invention also take into account the situation not allowing when being closed for the special auxiliary community in the auxiliary cell set of dual link system.
In above discussion, be all that the special auxiliary community in the auxiliary cell set for dual link system allows pent basis is carried out.In the aspect of the invention illustrated, assuming that the special auxiliary community in the auxiliary cell set of dual link system does not allow to be closed, then due to the community on certain carrier wave for a subscriber equipment possible configuration as special auxiliary community, and be common auxiliary community for another subscriber equipment.In the aspect of the invention illustrated, owing to assuming that auxiliary community does not allow to be closed, then likely all auxiliary communities are all special auxiliary communities for certain UE, and so all auxiliary communities all can not be closed.In order to address this problem, embodiments of the invention propose following method.
According to one embodiment of present invention, the carrier wave at prothetic group station can be divided into two groups, the carrier wave in a group is as described special auxiliary community, and the carrier wave in another group is as prothetic group Zhan Fu community.So, then the carrier wave in this another group can be closed, to realize the pent various advantage in small-cell or performance.
Figure 13 shows according to an embodiment of the invention for the prothetic group station 1300 of dual link system, and prothetic group station 1300 comprises the first transmitting element 1301, first receiving element 1302 and the first processing unit 1303.Wherein, the first transmitting element 1301 is for sending various message, order, information or signaling etc. to dominant base or subscriber equipment; First receiving element 1302 is for sending various message, order, information or signaling etc. from dominant base or subscriber equipment; First processing unit 1303 for carrying out various process, determine, the operation such as triggering.It will be appreciated by those skilled in the art that, according to various aspects of the present invention in the method at prothetic group station various about send, receive, process steps, the first transmitting element 1301, first receiving element 1302 and the first processing unit 1303 can be utilized correspondingly to perform.
According to one embodiment of present invention, when the special auxiliary community in the auxiliary cell set of dual link system allows to be closed or to open, the first processing unit 1303 is configured to the closedown or the unlatching that trigger special auxiliary community.
According to another embodiment of the invention, wherein when being triggered the closedown of special auxiliary community by prothetic group station, when subscriber equipment is only configured the carrier wave had in prothetic group station, wherein the first transmitting element 1301 is configured to send special auxiliary community shutdown command to dominant base, so that the special auxiliary community of dominant base notifying user equipment will be closed, and the first processing unit 1303 is configured to determine to suspend the transmission between described subscriber equipment and described prothetic group station; Or the first transmitting element 1301 is configured to send special auxiliary community by pent message to dominant base, so that dominant base determines whether add Xin Fu community thus complete special auxiliary cell change; Or the first processing unit 1303 is configured to the connection discharging prothetic group station.
According to another embodiment of the invention, if also there are data to need to transmit between prothetic group station and subscriber equipment when suspending the transmission at prothetic group station, and if the radio bearer type of the above-mentioned data of dual link system is the carrying of auxiliary cell set, then radio bearer type is changed into main plot group carrying.
According to another embodiment of the invention, if suspend the transmission between subscriber equipment and prothetic group station, then the first transmitting element 1301 is configured to send special auxiliary community shutdown command, so that the special auxiliary community of dominant base notifying user equipment will be closed to dominant base.
According to another embodiment of the invention, if the connection at release prothetic group station, then the first transmitting element 1301 is configured to the request of the connection sending release prothetic group station to dominant base; Or the first transmitting element 1301 is configured to send special auxiliary community shutdown command to dominant base, to send the order of the connection at release prothetic group station to user.
According to another embodiment of the invention, if dominant base is determined to add auxiliary community, the auxiliary community interpolation request of dominant base transmission is then received in response to the first receiving element 1302, first processing unit 1303 is configured to add Xin Fu community further, and perform the change of special auxiliary community, to be closed order by dominant base to the subscriber equipment special auxiliary Cell Change Order of transmission and/or old special auxiliary community.
According to another embodiment of the invention, if dominant base is determined not add auxiliary community, then: the first processing unit 1303 is configured to the transmission suspended between subscriber equipment and prothetic group station or the connection discharging prothetic group station further.
According to another embodiment of the invention, it is when being triggered the closedown of special auxiliary community by prothetic group station, when subscriber equipment is configured to have the multiple carrier wave in prothetic group station, wherein: if there are other auxiliary communities to be suitable as special auxiliary community, then the first processing unit 1303 is configured to the change performing special auxiliary community further; If or do not have other auxiliary communities to be suitable as special auxiliary community, then the first transmitting element 1301 would be configured to send the message of will close special auxiliary community to dominant base further, so that dominant base is determined to add Xin Fu community as special auxiliary community.
According to another embodiment of the invention, wherein when being triggered the unlatching of special auxiliary community by prothetic group station, wherein the first transmitting element 1301 is configured to send the information of the special auxiliary community of unlatching, so that the special auxiliary community of dominant base notifying user equipment will be unlocked to dominant base further.
Figure 14 shows according to an embodiment of the invention for the dominant base 1400 of dual link system, and dominant base 1400 comprises the second transmitting element 1401, second receiving element 1402 and the second processing unit 1403.Wherein, the second transmitting element 1401 is for sending various message, order, information or signaling etc. to prothetic group station or subscriber equipment; Second receiving element 1402 is for sending various message, order, information or signaling etc. from prothetic group station or subscriber equipment; Second processing unit 1403 for carrying out various process, determine, the operation such as triggering.It will be appreciated by those skilled in the art that, according to various aspects of the present invention in the method at prothetic group station various about send, receive, process steps, the second transmitting element 1301, second receiving element 1302 and the second processing unit 1303 can be utilized correspondingly to perform.
According to one embodiment of present invention, the special auxiliary community in the auxiliary cell set of dual link system allows to be closed or to open, the second processing unit 1403 is configured to the closedown or the unlatching that trigger special auxiliary community.
According to another embodiment of the invention, wherein when being triggered the closedown of special auxiliary community by dominant base, when subscriber equipment is only configured the carrier wave had in prothetic group station, second transmitting element 1401 sends special auxiliary community turn-off request and adds Xin Fu community for user to prothetic group station, if prothetic group station accepts the special auxiliary community turn-off request that dominant base sends, prothetic group station performs the change of special auxiliary community; Or if Xin Fu community cannot be added for user, then the second transmitting element 1401 only sends special auxiliary community turn-off request to prothetic group station, if prothetic group station accepts the special auxiliary community turn-off request that dominant base sends, auxiliary community is suspended the transmission between subscriber equipment and prothetic group station or is discharged the connection at prothetic group station; If prothetic group station does not accept the special auxiliary community turn-off request that dominant base sends, the second receiving element 1402 will receive the special auxiliary community turn-off request acknowledge message of described prothetic group station transmission, i.e. refuse information.
According to another embodiment of the invention, if wherein prothetic group station discharges the connection at prothetic group station, then the second receiving element 1402 receives the request at release prothetic group station from prothetic group station; Or receive special auxiliary community shutdown command in response to the second receiving element 1402 from prothetic group station, the second transmitting element 1401 is configured to the order of the connection sending release prothetic group station to user.
According to another embodiment of the invention, when wherein triggering the closedown of special auxiliary community by dominant base, when subscriber equipment is configured to have the multiple carrier wave in prothetic group station: the second transmitting element 1401 is configured to send special auxiliary community turn-off request to prothetic group station, if prothetic group station accepts the special auxiliary community turn-off request that dominant base sends, prothetic group is stood erectly to connect and is performed special auxiliary cell change; Or the second transmitting element 1401 is configured to send special auxiliary community turn-off request and the interpolation request of auxiliary community to prothetic group station, if prothetic group station accepts the special auxiliary community turn-off request that dominant base sends, prothetic group station performs the change that confirmation and special auxiliary community are added in auxiliary community, is new auxiliary community of adding by special auxiliary cell change; If prothetic group station does not accept the special auxiliary community turn-off request that dominant base sends, the second receiving element 1402 is configured to the special auxiliary community turn-off request acknowledge message by receiving the transmission of prothetic group station, i.e. refuse information.
According to another embodiment of the invention, if wherein prothetic group station does not have suitable community to be suitable as new special auxiliary community, then receive auxiliary community in response to the second receiving element 1402 from prothetic group station and add request, the second processing unit 1403 is configured to determine whether to add auxiliary community.
According to another embodiment of the invention, if auxiliary community can not be added, then: the second transmitting element 1401 is configured to notify prothetic group station, so that prothetic group station is suspended the transmission between subscriber equipment and prothetic group station or discharged the connection at prothetic group station.
According to another embodiment of the invention, when wherein triggering the unlatching of special auxiliary community by dominant base, the second transmitting element 1401 is configured to send the request of opening special auxiliary community to prothetic group station, so that prothetic group station determines whether open special auxiliary community.
According to another embodiment of the invention, if wherein prothetic group station determines to open special auxiliary community, then receive the information of the special auxiliary community of unlatching from prothetic group station in response to the second receiving element 1402, the second transmitting element 1401 is configured to the special auxiliary community of notifying user equipment and will be unlocked.
It should be noted that embodiments of the invention can be realized by the combination of hardware, software or software and hardware.Hardware components can utilize special logic to realize; Software section can store in memory, and by suitable instruction execution system, such as microprocessor or special designs hardware perform.It will be appreciated by those skilled in the art that above-mentioned equipment and method can use computer executable instructions and/or be included in processor control routine to realize, such as, on the programmable memory of mounting medium, such as read-only memory (firmware) or the data medium of such as optics or electrical signal carrier of such as disk, CD or DVD-ROM, provide such code.Equipment of the present invention and device thereof can be realized by the hardware circuit of the programmable hardware device of the semiconductor of such as very lagre scale integrated circuit (VLSIC) or gate array, such as logic chip, transistor etc. or such as field programmable gate array, programmable logic device etc., also with the software simulating performed by various types of processor, also can be realized by the combination such as firmware of above-mentioned hardware circuit and software.
Although it should be noted that the some devices or sub-device that are referred to equipment in above-detailed, this division is only not enforceable.In fact, according to embodiments of the invention, the Characteristic and function of two or more devices above-described can be specialized in one apparatus.Otherwise, the Characteristic and function of an above-described device can Further Division for be specialized by multiple device.
In addition, although describe the operation of the inventive method in the accompanying drawings with particular order, this is not that requirement or hint must perform these operations according to this particular order, or must perform the result that all shown operation could realize expectation.On the contrary, the step described in flow chart can change execution sequence.Additionally or alternatively, some step can be omitted, multiple step is combined as a step and perform, and/or a step is decomposed into multiple step and perform.
Although describe the present invention with reference to some specific embodiments, should be appreciated that, the invention is not restricted to disclosed specific embodiment.The present invention is intended to contain the interior included various amendment of spirit and scope and the equivalent arrangements of claims.The scope of claims meets the most wide in range explanation, thus comprises all such amendments and equivalent structure and function.

Claims (52)

1., for the method at the prothetic group station of dual link system, the special auxiliary community in the auxiliary cell set of described dual link system allows to be closed or to open, and described method comprises:
Closedown or the unlatching of described special auxiliary community is triggered by described prothetic group station.
2. method according to claim 1, wherein when being triggered the closedown of described special auxiliary community by described prothetic group station, when subscriber equipment is only configured to have a carrier wave in described prothetic group station, described method comprises further:
Suspend the transmission between described subscriber equipment and described prothetic group station; Or
Described special auxiliary community is sent by pent message, so that described dominant base determines whether add Xin Fu community thus complete special auxiliary cell change to dominant base; Or
Determine the connection discharging described prothetic group station.
3. method according to claim 2, if also there are data to need to transmit between described prothetic group station and described subscriber equipment when suspending the transmission at described prothetic group station, and if the radio bearer type of the above-mentioned data of described dual link system is the carrying of auxiliary cell set, then described radio bearer type is changed into main plot group carrying.
4. method according to claim 2, if the transmission suspending between described subscriber equipment and described prothetic group station, described method comprises further:
Send special auxiliary community shutdown command to described dominant base, so that described dominant base notifies described subscriber equipment, special auxiliary community will be closed.
5. method according to claim 2, if determine the connection discharging described prothetic group station, described method comprises further:
The request of the connection at the described prothetic group station of release is sent to described dominant base; Or
Special auxiliary community shutdown command is sent, so that described dominant base sends the order of the connection discharging described prothetic group station to described user to described dominant base.
6. method according to claim 2, if described dominant base is determined to add auxiliary community, described method comprises further:
Add request in response to the auxiliary community receiving the transmission of described dominant base, add Xin Fu community; And perform the change of special auxiliary community, to be closed order by described dominant base to the described subscriber equipment special auxiliary Cell Change Order of transmission and/or old special auxiliary community.
7. method according to claim 2, if described dominant base is determined not add auxiliary community, described method comprises further:
Suspend the transmission between described subscriber equipment and described prothetic group station or discharge the connection at described prothetic group station.
8. method according to claim 1, wherein when being triggered the closedown of described special auxiliary community by described prothetic group station, when described subscriber equipment is configured to have the multiple carrier wave in described prothetic group station, described method comprises:
If there are other auxiliary communities to be suitable as described special auxiliary community, then perform the change of special auxiliary community; Or
If do not have other auxiliary communities to be suitable as special auxiliary community, then send the message of will close special auxiliary community to described dominant base, so that described dominant base is determined to add Xin Fu community as special auxiliary community.
9. method according to claim 1, wherein when being triggered the unlatching of described special auxiliary community by described prothetic group station, described method comprises:
The information by opening described special auxiliary community is sent, so that described dominant base notifies that described in described subscriber equipment, special auxiliary community will be unlocked to described dominant base.
10., for a method for the dominant base of dual link system, the special auxiliary community in the auxiliary cell set of described dual link system allows to be closed or to open, and described method comprises:
Closedown or the unlatching of described special auxiliary community is triggered by dominant base.
11. methods according to claim 10, wherein when being triggered the closedown of described special auxiliary community by described dominant base, when described subscriber equipment is only configured to have a carrier wave in described prothetic group station, described method comprises:
Send special auxiliary community turn-off request to described prothetic group station and add Xin Fu community for described user, if described prothetic group station accepts the special auxiliary community turn-off request that described dominant base sends, described prothetic group station performs the change of special auxiliary community; Or
If Xin Fu community cannot be added for described user, then only send special auxiliary community turn-off request to described prothetic group station, if described prothetic group station accepts the special auxiliary community turn-off request that described dominant base sends, described auxiliary community is suspended the transmission between described subscriber equipment and described prothetic group station or is discharged the connection at described prothetic group station;
If described prothetic group station does not accept the special auxiliary community turn-off request that described dominant base sends, described dominant base will receive the special auxiliary community turn-off request acknowledge message of described prothetic group station transmission, i.e. refuse information.
12. methods according to claim 11, if wherein the connection discharging described prothetic group station is determined at described prothetic group station, described method comprises further:
The request at the described prothetic group station of release is received from described prothetic group station; Or
Receive special auxiliary community shutdown command in response to from described prothetic group station, send the order of the connection discharging described prothetic group station to described user.
13. methods according to claim 10, when wherein triggering the closedown of special auxiliary community by described dominant base, when described subscriber equipment is configured to have the multiple carrier wave in described prothetic group station, described method comprises:
Send special auxiliary community turn-off request to described prothetic group station, if described prothetic group station accepts the special auxiliary community turn-off request that described dominant base sends, described prothetic group is stood erectly to connect and is performed special auxiliary cell change; Or
Special auxiliary community turn-off request and the interpolation request of auxiliary community is sent to described prothetic group station, if described prothetic group station accepts the special auxiliary community turn-off request that described dominant base sends, described prothetic group station performs the change that confirmation and special auxiliary community are added in auxiliary community, is new auxiliary community of adding by special auxiliary cell change;
If described prothetic group station does not accept the special auxiliary community turn-off request that described dominant base sends, described dominant base will receive the special auxiliary community turn-off request acknowledge message of described prothetic group station transmission, i.e. refuse information.
14. methods according to claim 13, if wherein described prothetic group station does not have suitable community to be suitable as new special auxiliary community, described method comprises further:
Add request in response to receiving auxiliary community from described prothetic group station, determine whether to add auxiliary community.
15. methods according to claim 14, if can not add auxiliary community, described method comprises further:
Notify described prothetic group station, so that described prothetic group station is suspended the transmission between described subscriber equipment and described prothetic group station or discharged the connection at described prothetic group station.
16. methods according to claim 10, when wherein triggering the unlatching of described special auxiliary community by described dominant base, described method comprises:
The request of opening special auxiliary community is sent, so that described prothetic group station determines whether open described special auxiliary community to described prothetic group station.
17. methods according to claim 16, comprise further:
If described prothetic group station determines to open described special auxiliary community, then in response to the information received opening described special auxiliary community from described prothetic group station, notify that described in described subscriber equipment, special auxiliary community will be unlocked.
18. methods according to any one of claim 1-17, when being wherein configured when the measurement Jin Fu community based on DRS is closed, when special auxiliary community is closed,
Described dominant base sends about reshuffling of measuring in the RRC connection that the closedown for special auxiliary community is correlated with is reshuffled.
19. methods according to any one of claim 1-17, wherein:
Described dominant base Jin Fu community is added or is provided measurement result to described prothetic group station when setting up; Or
Described dominant base sends measurement result to described prothetic group station termly; Or
Described prothetic group station sends measurement result to described dominant base request.
20. methods according to any one of claim 1-17, wherein:
Close/open related command until send special auxiliary community and obtain the acknowledge message from described subscriber equipment, performing the closedown/unlatching of corresponding auxiliary community; Or
While related command is closed/opened in the special auxiliary community of transmission, perform the closedown/unlatching of corresponding auxiliary community.
21. methods according to any one of claim 1-17, wherein:
Closedown/the unlatching of special auxiliary community is indicated to indicate between described dominant base and described prothetic group station clearly; Or
Closedown/the unlatching of special auxiliary community is impliedly indicated to indicate between described dominant base and described prothetic group station.
22. methods according to any one of claim 1-17, wherein:
The described special auxiliary community of described subscriber equipment can be activated and deexcitation.
Described dominant base in described dual link system and described prothetic group station can carry out activating and deexcitation across the community of base station.
23. methods according to claim 22, comprise further:
The activation of described special auxiliary community and deexcitation is indicated to indicate the opening and closing of described special auxiliary community by the activation in media interviews control packet data cell (MACPDU) and deexcitation control element (MACCE) to described subscriber equipment.
24. methods according to claim 23, wherein use a new logic channel id (LCID) in the sub-head of MACPDU to indicate described activation and deexcitation MACCE to comprise the activation/deactivation field of special auxiliary community; And use the C with largest cell index value or minimum cell index value be not configured activated and in deexcitation MACCE ifield indicates the activation/deactivation state of the special auxiliary community in auxiliary cell set.
25. methods according to claim 23, wherein use the R bit in activation/deactivation MACCE to indicate described activation and deexcitation MACCE to comprise the activation/deactivation field of special auxiliary community; And use the C with largest cell index value or minimum cell index value be not configured in activation/deactivation MACCE ifield indicates the activation/deactivation state of the special auxiliary community in auxiliary cell set.
26. methods according to claim 23, wherein use a new logic channel id (LCID) in the sub-head of MACPDU to indicate described activation and deexcitation MACCE to comprise the activation/deactivation field of special auxiliary community, and use the R bit in activation/deactivation MACCE to indicate the activation/deactivation state of the special auxiliary community in auxiliary cell set.
27. methods according to claim 22, wherein send to described user the activation/deactivation that activation/deactivation MACCE comes to indicate to described subscriber equipment special auxiliary community by described dominant base.
28. methods according to claim 22, wherein carry out by described prothetic group station the deexcitation coming to indicate to described subscriber equipment special auxiliary community to described subscriber equipment transmission activation/deactivation MACCE, and come to send the activation of activation/deactivation MACCE to the special auxiliary community of described subscriber equipment instruction to described subscriber equipment by described dominant base.
29. methods according to any one of claim 1-17, wherein when described special auxiliary community is closed, if perform the change of special auxiliary community, then
The shutdown command of special auxiliary community is sent by described dominant base or described prothetic group station; And
New special auxiliary cell configuration is sent to described subscriber equipment.
30. methods according to claim 29, described dominant base or described prothetic group station use activation/deactivation MACCE to send the order of the deexcitation of special auxiliary community to indicate the closedown of special auxiliary community.
31. methods according to claim 29, wherein send new special auxiliary cell configuration by dominant base to described subscriber equipment by RRC signaling, during after the shutdown command receiving special auxiliary community and before receiving described special auxiliary cell configuration newly, suspend communicating of described subscriber equipment and described auxiliary community.
32. methods according to claim 29, wherein except being configured with used special auxiliary community, described subscriber equipment has also been configured the special auxiliary community of candidate, described subscriber equipment, after the order of cut out receiving special auxiliary community, automatically adopts the special auxiliary community of described candidate as new special auxiliary community.
33. methods according to claim 32, together with the special auxiliary cell configuration field of wherein said candidate is added on used special auxiliary cell configuration field.
34. methods according to claim 31, when described subscriber equipment is configured to have the multiple carrier wave in described prothetic group station, wherein:
When the order of the deexcitation of special auxiliary community is sent out, described prothetic group station also sends the deactivation command to other auxiliary communities; Or
When the order of the activation of special auxiliary community is sent out, described prothetic group station also sends the activation command to other auxiliary communities.
35. 1 kinds of methods for dual link system, the special auxiliary community in the auxiliary cell set of described dual link system does not allow to be closed, and described method comprises:
The carrier wave at prothetic group station is divided into two groups, and the carrier wave in a group is as described special auxiliary community, and the carrier wave in another group is as prothetic group Zhan Fu community.
36. 1 kinds of prothetic group stations for dual link system, described prothetic group station comprises the first transmitting element, the first receiving element and the first processing unit, and the special auxiliary community in the auxiliary cell set of described dual link system allows to be closed or to open, wherein:
Described first processing unit is configured to the closedown or the unlatching that trigger described special auxiliary community.
37. prothetic group stations according to claim 36, wherein when being triggered the closedown of described special auxiliary community by described prothetic group station, when subscriber equipment is only configured to have a carrier wave in described prothetic group station, wherein:
Described first transmitting element is configured to send special auxiliary community shutdown command to described dominant base, so that described dominant base notifies described subscriber equipment, special auxiliary community will be closed, and described first processing unit is configured to determine to suspend the transmission between described subscriber equipment and described prothetic group station; Or
Described first transmitting element is configured to send described special auxiliary community by pent message to dominant base, so that described dominant base determines whether add Xin Fu community thus complete special auxiliary cell change; Or
Described first processing unit is configured to the connection determining to discharge described prothetic group station.
38. according to prothetic group station according to claim 37, if also there are data to need to transmit between described prothetic group station and described subscriber equipment when suspending the transmission at described prothetic group station, and if the radio bearer type of the above-mentioned data of described dual link system is the carrying of auxiliary cell set, then described radio bearer type is changed into main plot group carrying.
39. according to prothetic group station according to claim 37, if suspend the transmission between described subscriber equipment and described prothetic group station, then:
Described first transmitting element is configured to send special auxiliary community shutdown command to described dominant base, so that described dominant base notifies described subscriber equipment, special auxiliary community will be closed.
40. according to prothetic group station according to claim 37, if discharge the connection at described prothetic group station, then:
Described first transmitting element is configured to the request of the connection sending the described prothetic group station of release to described dominant base; Or
Described first transmitting element is configured to send special auxiliary community shutdown command, so that described dominant base sends the order of the connection discharging described prothetic group station to described user to described dominant base.
41. according to prothetic group station according to claim 37, if described dominant base is determined to add auxiliary community, then:
Request is added in the auxiliary community receiving the transmission of described dominant base in response to described first receiving element, described first processing unit is configured to add Xin Fu community further, and perform the change of special auxiliary community, to be closed order by described dominant base to the described subscriber equipment special auxiliary Cell Change Order of transmission and/or old special auxiliary community.
42. according to prothetic group station according to claim 37, if described dominant base is determined not add auxiliary community, then:
Described first processing unit is configured to the transmission suspended between described subscriber equipment and described prothetic group station or the connection discharging described prothetic group station further.
43. prothetic group stations according to claim 36, wherein when being triggered the closedown of described special auxiliary community by described prothetic group station, when described subscriber equipment is configured to have the multiple carrier wave in described prothetic group station, wherein:
If there are other auxiliary communities to be suitable as described special auxiliary community, then described first processing unit is configured to the change performing special auxiliary community further; Or
If do not have other auxiliary communities to be suitable as special auxiliary community, then described first transmitting element is configured to send the message of will close special auxiliary community to described dominant base further, so that described dominant base is determined to add Xin Fu community as special auxiliary community.
44. prothetic group stations according to claim 36, wherein when being triggered the unlatching of described special auxiliary community by described prothetic group station, wherein:
Described first transmitting element is configured to send the information of the described special auxiliary community of unlatching, so that described dominant base notifies that described in described subscriber equipment, special auxiliary community will be unlocked to described dominant base further.
45. 1 kinds of dominant bases for dual link system, described dominant base comprises the second transmitting element, the second receiving element and the second processing unit, and the special auxiliary community in the auxiliary cell set of described dual link system allows to be closed or to open, wherein:
Described second processing unit is configured to the closedown or the unlatching that trigger described special auxiliary community.
46. dominant bases according to claim 45, wherein when being triggered the closedown of described special auxiliary community by described dominant base, when described subscriber equipment is only configured to have a carrier wave in described prothetic group station,
Described second transmitting element is configured to send special auxiliary community turn-off request to described prothetic group station and add Xin Fu community for described user, if described prothetic group station accepts the special auxiliary community turn-off request that described dominant base sends, described prothetic group station performs the change of special auxiliary community; Or
If Xin Fu community cannot be added for described user, then described second transmitting element is configured to only send special auxiliary community turn-off request to described prothetic group station, if described prothetic group station accepts the special auxiliary community turn-off request that described dominant base sends, described auxiliary community is suspended the transmission between described subscriber equipment and described prothetic group station or is discharged the connection at described prothetic group station;
If described prothetic group station does not accept the special auxiliary community turn-off request that described dominant base sends, described second receiving element will receive the special auxiliary community turn-off request acknowledge message of described prothetic group station transmission, i.e. refuse information.
47. dominant bases according to claim 46, if wherein described prothetic group station discharges the connection at described prothetic group station, then:
Described second receiving element receives the request at the described prothetic group station of release from described prothetic group station; Or
Receive special auxiliary community shutdown command in response to described second receiving element from described prothetic group station, described second transmitting element is configured to the order sending the connection discharging described prothetic group station to described user.
48. dominant bases according to claim 45, when wherein triggering the closedown of special auxiliary community by described dominant base, when described subscriber equipment is configured to have the multiple carrier wave in described prothetic group station:
Described second transmitting element is configured to send special auxiliary community turn-off request to described prothetic group station, if described prothetic group station accepts the special auxiliary community turn-off request that described dominant base sends, described prothetic group is stood erectly to connect and performed special auxiliary cell change; Or
Described second transmitting element is configured to send special auxiliary community turn-off request and the interpolation request of auxiliary community to described prothetic group station, if described prothetic group station accepts the special auxiliary community turn-off request that described dominant base sends, described prothetic group station performs the change that confirmation and special auxiliary community are added in auxiliary community, is new auxiliary community of adding by special auxiliary cell change;
If described prothetic group station does not accept the special auxiliary community turn-off request that described dominant base sends, described second receiving element is configured to the special auxiliary community turn-off request acknowledge message by receiving the transmission of described prothetic group station, i.e. refuse information.
49. dominant bases according to claim 48, if wherein described prothetic group station does not have suitable community to be suitable as new special auxiliary community, then:
Receive auxiliary community in response to described second receiving element from described prothetic group station and add request, described second processing unit is configured to determine whether to add auxiliary community.
50. dominant bases according to claim 49, if auxiliary community can not be added, then:
Described second transmitting element is configured to notify described prothetic group station, so that described prothetic group station is suspended the transmission between described subscriber equipment and described prothetic group station or discharged the connection at described prothetic group station.
51. dominant bases according to claim 45, when wherein triggering the unlatching of described special auxiliary community by described dominant base:
Described second transmitting element is configured to send the request of opening special auxiliary community to described prothetic group station, so that described prothetic group station determines whether open described special auxiliary community.
52. dominant bases according to claim 51, wherein:
If described prothetic group station determines to open described special auxiliary community, then receive the information of the described special auxiliary community of unlatching from described prothetic group station in response to described second receiving element, described second transmitting element is configured to notify that described in described subscriber equipment, special auxiliary community will be unlocked.
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