CN102158909A

CN102158909A - Method and device for managing component carrier

Info

Publication number: CN102158909A
Application number: CN2011100833384A
Authority: CN
Inventors: 常俊仁; 李亚娟; 冯淑兰; 于映辉; 陈玉华; 柴丽
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2010-01-30
Filing date: 2010-01-30
Publication date: 2011-08-17

Abstract

The embodiment of the invention discloses a method and a device for managing component carrier and relates to the technical field of communication. The method comprises the following steps: sending an indication message for activating one or a plurality of component carriers to the user equipment; sending one or a plurality of component carriers scheduling information to the component carrier in a current physical downlink control channel monitoring set or sending the component carrier scheduling information to each component carrier; and sending a physical downlink control channel monitoring set updating command to the user equipment, thereby indicating the user equipment to update the physical downlink control channel monitoring set. By the using of the technical scheme, at the moment of activating or configuring CC (communication center), the PDCCH (physical downlink control channel) monitoring set of UE (user equipment) can be managed and the UE can maintain the PDCCH monitoring set at real time, thereby realizing monitoring the CC in the monitoring set and ensuring the service requirement of UE.

Description

Component carrier management method and equipment

Technical field

The present invention relates to the communications field, relate in particular to a kind of composition carrier management method and apparatus.

Background technology

In order to satisfy the requirement of IMT-Advanced (senior international mobile communication), support is up to the peak data rate of 1Gbits/s, 3GPP LTE-ADVANCED (LTE-A, the continuation evolution of LTE) system has agreed carrier wave is converged (CA at present, Carrier Aggregation is carrier aggregation again) technology is as the method for its expanding system bandwidth.Carrier wave converges technology, and (CC ComponentCarrier) pools a carrier wave of bandwidth (for example, being higher than 20MHz) greatly, to support the defeated rate of high-speed data with a plurality of composition carrier waves.For example, the composition carrier wave of 5 20MHz is converged jointly and become a downstream transmission bandwidth with 100MHz.

In order to reduce UE (User Equipment, subscriber equipment) blind Detecting complexity and reduction presence of intercell interference, can from a plurality of CC, mark off PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel) monitors collection and PDSCH (Physical Downlink Shared Channel, Physical Downlink Shared Channel) collection.CC in the PDSCH collection is that UE is used for carrying out within a certain period of time the employed component carrier of data transmit-receive, and described component carrier can be descending component carrier, up component carrier or up-downgoing component carrier pair; CC in the PDCCH monitor set is that particularly, described schedule information is transmitted with the PDCCH signaling for the component carrier that sends schedule information to UE, and the PDCCH monitor set can be the subset of PDSCH collection.For a UE, its PDCCH monitors collection, is exactly that UE carries out the PDCCH monitoring to obtain the composition carrier set of schedule information.For example, suppose 5 component carriers of current existence, be respectively CC1 to CC5, the PDSCH collection can by CC2 to CC5 totally 4 component carriers consist of, and the PDCCH monitor set can be made of CC2 and two component carriers of CC3.Namely when UE used these four component carriers of CC2 to CC5 to carry out data transmit-receive, UE can only monitor the PDCCH channel of CC2 and CC3 to know the schedule information on the CC2 to CC5.

When activating or dispose CC, how the PDCCH monitor set is managed and realizes the monitoring of corresponding CC is just become a problem.

Summary of the invention

The purpose of the embodiment of the invention is to provide a kind of component carrier management method and equipment, with when activating or dispose CC, the PDCCH monitor set is managed.

Embodiments of the invention provide the another kind of carrier management method of forming, and comprising:

Send the Indication message that activates one or more component carriers to subscriber equipment;

Component carrier sends the schedule information of described one or more component carriers in current Physical Downlink Control Channel monitor set, and perhaps each component carrier in described one or more component carriers sends the schedule information of this component carrier self;

Send Physical Downlink Control Channel monitor set update command to subscriber equipment, with equipment for indicating user the Physical Downlink Control Channel monitor set is upgraded.

Receive the Indication message that activates one or more component carriers;

Component carrier receives the schedule information of described one or more component carriers in current Physical Downlink Control Channel monitor set, and perhaps each component carrier in described one or more compositions receives the schedule information of this component carrier self;

Receive Physical Downlink Control Channel monitor set update command, and carry out the renewal of Physical Downlink Control Channel monitor set according to the indication of described Physical Downlink Control Channel monitor set update command.

Embodiments of the invention provide another kind of base station, comprising:

Activate indicating member, be used for sending the Indication message that activates one or more component carriers to subscriber equipment;

The schedule information transmitting element, be used in current Physical Downlink Control Channel is monitored collection, forming the schedule information that sends described one or more composition carrier waves on the carrier wave, perhaps send the schedule information that this forms carrier wave self on the composition of each in the described one or more composition carrier waves carrier wave;

Upgrade indicating member, be used for sending Physical Downlink Control Channel monitor set update command to subscriber equipment, with equipment for indicating user the Physical Downlink Control Channel monitor set is upgraded.

Embodiments of the invention provide another kind of subscriber equipment, comprising:

The Indication message receiving element is used to receive the Indication message that activates one or more composition carrier waves;

The schedule information acquiring unit, be used in current Physical Downlink Control Channel is monitored collection, forming the schedule information that receives described one or more composition carrier waves on the carrier wave, perhaps receive the schedule information that this forms carrier wave self on the composition of each in the described one or more compositions carrier wave;

Upgrade performance element, be used for receiving Physical Downlink Control Channel monitor set update command, and carry out the renewal of Physical Downlink Control Channel monitor set according to the indication of described Physical Downlink Control Channel monitor set update command.

The embodiment of the invention can activate or during configuration CC, the PDCCH of UE is monitored collection manage, but make the PDCCH of UE real-time servicing monitor collection, realizes the monitoring to CC in the described monitoring collection, guarantees the business demand of UE.

Description of drawings

In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

A kind of schematic diagram of forming the carrier management method that Fig. 1 provides for the embodiment of the invention;

The another kind that Fig. 2 provides for the embodiment of the invention is formed the schematic diagram of carrier management method;

A kind of simplification schematic flow sheet of forming the carrier management method that Fig. 3 a provides for the embodiment of the invention;

The simple flow schematic diagram of the another kind of component carrier management method that Fig. 3 b provides for the embodiment of the invention;

The simple flow schematic diagram of the another kind of component carrier management method that Fig. 4 provides for the embodiment of the invention;

The simple flow schematic diagram of the another kind of component carrier management method that Fig. 5 provides for the embodiment of the invention;

The simple flow schematic diagram of the another kind of component carrier management method that Fig. 6 provides for the embodiment of the invention;

The another kind that Fig. 7 a provides for the embodiment of the invention is formed the schematic diagram of carrier management method;

The another kind that Fig. 7 b provides for the embodiment of the invention is formed the schematic diagram of carrier management method;

The simple flow schematic diagram of the another kind of component carrier management method that Fig. 8 provides for the embodiment of the invention;

The schematic diagram of a kind of base station that Fig. 9 provides for the embodiment of the invention;

The schematic diagram of a kind of subscriber equipment that Figure 10 provides for the embodiment of the invention;

The schematic diagram of the another kind of base station that Figure 11 provides for the embodiment of the invention;

The schematic diagram of the another kind of subscriber equipment that Figure 12 provides for the embodiment of the invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.

A kind of schematic diagram of forming the carrier management method that Fig. 1 provides for the embodiment of the invention, described method comprises:

S11: one or more component carriers of in component carrier to be activated or to be configured, determining to need to add the Physical Downlink Control Channel monitor set;

S12: send component carrier to subscriber equipment and activate or configuration messages, need to add one or more component carriers of Physical Downlink Control Channel monitor set with indication.

Present embodiment is when activating or disposing one or more component carriers, one or more component carrier notifying user equipment of Physical Downlink Control Channel monitor set will be needed to add in the one or more component carriers that activate or dispose, but the Physical Downlink Control Channel monitor set of real-time servicing subscriber equipment, guarantee the business demand of subscriber equipment, reduced the activation time delay of component carrier.The embodiment of the invention can also be indicated the component carrier adding PDCCH monitor set that will be in state of activation and not add the PDCCH monitor set by component carrier activation or configuration messages.

Form carrier wave activation or configuration messages described in the present embodiment and also can be used for indicating the composition carrier wave of on one or more composition carrier waves of needs adding Physical Downlink Control Channel monitoring collection, monitoring, maybe need the composition carrier wave of monitoring concentrated replacement or removing from Physical Downlink Control Channel.

Alternatively, the base station can send physical downlink control channel commands, MAC control PDU or RRC message to subscriber equipment, and activating one or more component carriers, and indication needs to add one or more component carriers of Physical Downlink Control Channel monitor set.Can utilize the indication information in physical downlink control channel commands, MAC control PDU or the RRC message to indicate the one or more component carriers that need to add the Physical Downlink Control Channel monitor set, described indication information can be one or more bits.Alternatively, also can utilize the physical downlink control channel commands indication to add Physical Downlink Control Channel and monitor the composition carrier wave of dispatching on one or more composition carrier waves of collection at needs, if promptly forming carrier wave A, B, C and D by 4 is activated, wherein form carrier wave A and B and need add Physical Downlink Control Channel monitoring collection, can further indicate in scheduling on the composition carrier wave A and form carrier wave C and scheduling composition carrier wave D on composition carrier wave B.That is to say, when indication needs to add one or more component carriers of Physical Downlink Control Channel monitor set, the component carrier of further indicating these one or more component carriers that are added into the Physical Downlink Control Channel monitor set to dispatch, i.e. new one or more component carriers and a kind of related (linkage) between the component carrier that need to the be scheduled relation that adds the Physical Downlink Control Channel monitor set of indication.

The described one or more composition carrier waves that need to add Physical Downlink Control Channel monitoring collection to the subscriber equipment indication also can comprise: need monitor the composition carrier wave of concentrating replacement or removing from Physical Downlink Control Channel to the subscriber equipment indication, for example, can utilize the remaining bits position indication in the physical downlink control channel commands to monitor the composition carrier wave of concentrating replacement or removing from Physical Downlink Control Channel.Bit in the physical downlink control channel commands activates and the renewal of Physical Downlink Control Channel monitor set except being used to indicate component carrier, remaining bit can be used for indicating the component carrier that need to replace or remove from the Physical Downlink Control Channel monitor set, if namely component carrier A and B need to add the Physical Downlink Control Channel monitor set, component carrier E and F can be replaced or be removed by component carrier A and B in the original physical down control channel monitor set.Alternatively, physical downlink control channel commands that the present embodiment reusable is used to activate and the physical downlink control channel commands that is used for the renewal of Physical Downlink Control Channel monitoring collection, promptly utilize one or more bits in the physical downlink control channel commands as indication information, indicating described physical downlink control channel commands is to be used for one or more composition carrier waves are activated, still are used for the renewal that Physical Downlink Control Channel is monitored collection.In addition, above-mentioned physical downlink control channel commands also can replace with MAC control protocol data cell or RRC message.

Alternatively, the base station can send radio resource control signaling to subscriber equipment, thinks that subscriber equipment redistributes or dispose one or more component carriers, and indication needs to add one or more component carriers of Physical Downlink Control Channel monitor set.Described radio resource control signaling can be a wireless resource control connection reconfiguration message.The base station can be activated by the one or more component carriers of wireless resource control connection reconfiguration message to subscriber equipment, namely utilizes radio resource control signaling to realize simultaneously the activation with component carrier of reshuffling of component carrier; The base station also can utilize after radio resource control signaling reshuffles component carrier, realizes activation to component carrier by the component carrier activation command.Base station in the present embodiment also can further send Physical Downlink Control Channel to subscriber equipment and monitor the collection updating message, with the indication subscriber equipment Physical Downlink Control Channel is monitored collection and upgrades.Described Physical Downlink Control Channel monitor set updating message can be an independent Physical Downlink Control Channel monitor set update command, also can use media access control protocol data unit or Physical layer control signal as described updating message.The base station needs to add one or more component carriers of Physical Downlink Control Channel monitor set so that subscriber equipment carries out the renewal of Physical Downlink Control Channel monitor set according to indication by the radio resource control signaling indication, namely component carrier is monitored the schedule information of the component carrier obtain new activation or configuration in the Physical Downlink Control Channel monitor set after renewal, after obtaining described schedule information, equipment for indicating user carries out the renewal of Physical Downlink Control Channel monitor set again again.For example, subscriber equipment can be according to composition carrier wave A, B, C and the D of knowing new configuration from the indication of the radio resource control signaling of base station, carrier wave A is wherein formed in the base station indication and B need add Physical Downlink Control Channel monitoring collection, and forming the schedule information that sends composition carrier wave A, B, C and D on carrier wave A and the B, then subscriber equipment is by monitoring the schedule information that composition carrier wave A and B obtain forming carrier wave A, B, C and D, subsequent base stations can further be indicated subscriber equipment will form carrier wave E adding Physical Downlink Control Channel and be monitored collection, promptly realizes follow-up renewal.

Alternatively, switch to from source base station the target BS process at subscriber equipment, source base station can send switching command to subscriber equipment, need to add one or more component carriers of Physical Downlink Control Channel monitor set at the switching command indicating.

The another kind that Fig. 2 provides for the embodiment of the invention is formed the schematic diagram of carrier management method, and described method comprises:

S21: receive component carrier and activate or configuration messages, know the one or more component carriers that need to add the Physical Downlink Control Channel monitor set by described component carrier activation or configuration messages;

S22: one or more component carriers that will need to add the Physical Downlink Control Channel monitor set add the Physical Downlink Control Channel monitor set.

Present embodiment is when receiving component carrier activation or configuration messages, know which component carrier need to add the Physical Downlink Control Channel monitor set, and real-time update safeguards described Physical Downlink Control Channel monitor set, guarantees the business demand of subscriber equipment, reduced the activation time delay of component carrier.In the present embodiment, UE is known by carrier wave activation of reception composition or configuration messages needs activation or the activation of disposing or one or more composition carrier waves of configuration.Whole parts that obtain in one or more composition carrier waves that the described one or more composition carrier waves that need the adding Physical Downlink Control Channel to monitor collection can be described activation or configuration are formed carrier waves.The embodiment of the invention can also be according to knowing that from the Indication message of base station the component carrier that needs will be in state of activation and not add the PDCCH monitor set adds the PDCCH monitor set.

Alternatively, subscriber equipment can receive physical downlink control channel commands from the base station, and knowing needs the one or more component carriers that activate and the one or more component carriers that need to add the Physical Downlink Control Channel monitor set.The one or more composition carrier waves that need the adding Physical Downlink Control Channel to monitor collection can be the part carrier waves in the composition carrier wave that activates.Optionally, subscriber equipment can be known the one or more component carriers that need to add the Physical Downlink Control Channel monitor set by the indication of the one or more bits in the physical downlink control channel commands.Alternatively, finish Physical Downlink Control Channel monitor set renewal back base station feedback Physical Downlink Control Channel monitor set renewal acknowledge message.Subscriber equipment also can be informed in by described physical downlink control channel commands to be needed to add the composition carrier wave of dispatching on one or more composition carrier waves of Physical Downlink Control Channel monitoring collection, and/or knows and need concentrate the composition carrier wave of replacing or removing from the Physical Downlink Control Channel monitoring.Subscriber equipment can after receiving described physical downlink control channel commands, know that by the indication information that comprises in this order this physical downlink control channel commands is for the renewal that one or more component carriers is activated or be used for the Physical Downlink Control Channel monitor set.In addition, above-mentioned physical downlink control channel commands also can replace with MAC control protocol data cell or RRC message.

Alternatively, subscriber equipment can receive the radio resource control signaling that the base station sends, and knows that the base station is the component carrier of this user device configuration and the one or more component carriers that need to add the Physical Downlink Control Channel monitor set.Radio resource control signaling also can comprise the component carrier mobilizing function, makes which component carrier of user's device learns need to activate, and activates described component carrier.Subscriber equipment also can obtain independent component carrier activation command, and activates corresponding component carrier.Subscriber equipment is by obtaining one or more component carriers that radio resource control signaling is learnt needs to add the Physical Downlink Control Channel monitor set, and carry out the Physical Downlink Control Channel monitor set according to indication and upgrade, namely component carrier is monitored the schedule information of the component carrier that obtains new activation or configuration in the Physical Downlink Control Channel monitor set after renewal.

Alternatively, switch to the target BS process from source base station at subscriber equipment, but the switching command that the reception sources base station sends, and know the one or more component carriers that need to add the Physical Downlink Control Channel monitor set by switching command.

Alternatively, subscriber equipment is after finishing the renewal of Physical Downlink Control Channel monitor set, the follow-up Physical Downlink Control Channel monitor set update command that can further obtain from the base station, and carry out the renewal of Physical Downlink Control Channel monitor set according to the indication of described order.

A kind of simplification schematic flow sheet of forming the carrier management method that Fig. 3 a provides for the embodiment of the invention, described method comprises:

S31a: the base station sends physical downlink control channel commands to subscriber equipment, to activate one or more component carriers, also to indicate needs to add one or more component carriers of Physical Downlink Control Channel monitor set.

Alternatively, base station (eNB, eNodeB) can send the PDCCH order to UE, think that UE activates one or more composition carrier waves, and in this PDCCH order, indicate whether and should to form carrier wave when forming carrier wave to join the PDCCH monitoring concentrated activating one with one or more bits (Bit).ENB can activate described CC by described one or more CC are added the PDSCH collection, and the CC that is activated can be used in data and transmits.Alternatively, eNB can indicate respectively also whether each component carrier needs to add the PDCCH monitor set in the component carrier of a plurality of new activation, and for example, eNB can use respectively a bit to indicate each component carrier whether to need to add the PDCCH monitor set; In addition, whether eNB also can concentrate the component carrier of these new activation of indication to need to join in the PDCCH monitor set, and namely whether eNB can only use a bit to indicate these component carriers that are activated to be added in the PDCCH monitor set.If a new component carrier that activates is added in the PDCCH monitor set, then eNB can further indicate the information of other component carriers that can dispatch at the component carrier of this new adding PDCCH monitor set, the information of described other component carriers comprises identifier, frequency information or PCI (the Physical Cell Identity of these component carriers, Physical Cell Identifier) one or more in the information such as, which component carrier that namely represents this new adding PDCCH monitor set can dispatch other component carrier.Other component carriers of described scheduling can comprise other component carrier of new activation or other component carriers that former PDSCH concentrates.If the new composition carrier wave that activates is added into PDCCH and monitors and concentrate, then eNB can further indicate these do not add PDCCH monitor collection new activation the composition carrier wave specifically by PDCCH monitor concentrate which or which form carrier wave and dispatch.In a word, eNB can indicate to UE related (linkage) relation of the CC in CC and the PDSCH collection in the PDCCH monitor set, if there is the linkage relation in component carrier namely in the PDCCH monitor set with a carrier wave in the PDSCH collection, show that namely this component carrier in the PDCCH monitor set can be dispatched the interior component carrier of PDSCH collection that has the linkage relation.

In addition, if the new composition carrier wave that activates is an expansion CC (Extension CC) or CC segmentation (CC segment), described expansion CC or CC segmentation are meant the CC that self can not work alone, be self not have the PDCCH channel, can not dispatch voluntarily, control and dispatch the CC of use and can only depend on other CC with PDCCH channel.Namely need to obtain at the described CC that other has the PDCCH channel schedule information of described expansion CC or CC segmentation, then eNB can further indicate the component carrier of this expansion CC of scheduling or CC segmentation in the PDCCH order that activates component carrier.The composition carrier wave of this expansion CC of described scheduling or CC segmentation can be the interior composition carrier wave of current PDCCH monitoring collection, also can be that the needs of indicating in the PDCCH order of this activation composition carrier wave add the concentrated composition carrier wave of PDCCH monitoring.

Alternatively, the eNB reusable is used for the PDCCH order and the PDCCH order that is used for the renewal of PDCCH monitoring collection of carrier wave activation or deexcitation CC, promptly in the PDCCH order, can use an indication information, bit for example, indicating current PDCCH order is the activation that is used to form carrier wave, still is used for the renewal that PDCCH monitors collection.For example, when described indication bit is 1, can represent that this PDCCH order is used for the activation of CC, indication UE need upgrade PDCCH monitoring collection in the PDCCH order simultaneously; And when described indication bit was 0, then this PDCCH order can be used for the renewal that PDCCH monitors collection.

Alternatively, eNB also can be when activating one or more composition carrier waves for UE, the current PDCCH of UE is monitored the part or all of CC that concentrates to be replaced or removes, be that eNB uses the PDCCH order when activating new composition carrier wave as UE, need send to UE from the indications of the concentrated one or more CC that replace or remove of PDCCH monitoring and the indication information of replacing or removing.

Selectively, eNB can be when concentrating current PDCCH monitoring one or more CC to remove from the PDCCH monitoring is concentrated, indicate whether described CC to be monitored to concentrate from PDSCH in this PDCCH order remove, promptly eNB can indicate whether deexcitation these are monitored from PDCCH and concentrate the CC that removes.If a CC is removed from the PDSCH monitor set, it will be deactivated, and namely no longer be used to transmit data.

S32a: subscriber equipment is according to the described indication of base station, and the one or more component carriers that needs added the Physical Downlink Control Channel monitor set add the Physical Downlink Control Channel monitor set.

UE is after the PDCCH order that receives the eNB transmission, can determine the new CC that activates according to the indication of PDCCH order, and the one or more component carriers that whether need newly to activate add the PDCCH monitor set, be that UE determines whether current PDCCH monitor set is upgraded, and will need the CC that adds the PDCCH monitor set to add the PDCCH monitor set.

S33a: subscriber equipment sends the Physical Downlink Control Channel monitor set and upgrades acknowledge message to described base station.Alternatively, UE can send PDCCH monitoring collection and upgrade the affirmation Indication message to eNB after upgrading PDCCH monitoring collection, and this Indication message can be one or more bits.S33 is optional process in the present embodiment.

The base station needs to add one or more component carriers of Physical Downlink Control Channel monitor set in the present embodiment by component carrier activation or configuration messages indication when activating component carrier, so that subscriber equipment can upgrade the Physical Downlink Control Channel monitor set, realization has reduced the activation time delay of component carrier to the monitoring of PDCCH.

In the present embodiment, in order to reduce the number of times of UE blind Detecting PDCCH, can redesign PDCCH DCI form based on PDCCH DCI (Downlink ControlInformation, the Downlink Control Information) form of existing LTE (Long Term Evolution, Long Term Evolution).In LTE, UE is when detecting PDCCH, whether the information among the PDCCH that needs to consider to be detected is legal data, for example, indicate PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel) RB (Resource Block in the PDCCH information, Resource Block) number can be made as 2,3 or 5 multiple, be called PUSCH RB allotment,, think that then this PDCCH is invalid PDCCH if UE detects PUSCH RB number when being different from PUSCH RB allotment.For LTE-AUE, then can in the PDCCH DCI form of redesign, use non-PUSCH RB allotment (as the PUSCH RB number of non-2,3 or 5 multiples), be used for activation or the deexcitation of CC with indication LTE-AUE this PDCCH, perhaps indicate PDCCH monitor the interior CC of collection increase, delete or reshuffle etc.Particularly, whether the CC that can comprise the identifier of CC of the activation of mentioning in the foregoing description and these new activation in the residue bits among the DCI of redesign is added into PDCCH is monitored the indication information of concentrating, perhaps, can comprise PDCCH monitors needs the CC that increases, delete or reshuffle in the collection identifier among the described residue bits.

In addition, also can increasing new bit indication information in the Physical Downlink Control Channel of inheritance system, to indicate described physical downlink control channel commands be to be used for activating one or more composition carrier waves and being used for Physical Downlink Control Channel in new system monitoring collection and upgrading, whether the CC that comprises the identifier of CC of the activation of mentioning in the foregoing description and these new activation then among the residue bits in DCI is added into PDCCH is monitored the indication information of concentrating, perhaps, can comprise among the described residue bits that the PDCCH monitoring needs to increase in collecting, the identifier of the CC that deletes or reshuffle.Described new system can be further developing described inheritance system.

Alternatively, can utilize reserved bit indication information in the Physical Downlink Control Channel of inheritance system to indicate described physical downlink control channel commands is to be used for activating one or more composition carrier waves and being used for Physical Downlink Control Channel in new system monitoring collection and upgrading, whether the CC that comprises the identifier of CC of the activation of mentioning in the foregoing description and these new activation then among other in the DCI residues bits is added into PDCCH is monitored the indication information of concentrating, perhaps, can comprise among the described residue bits that the PDCCH monitoring needs to increase in collecting, the identifier of the CC that deletes or reshuffle.

In addition, in connection procedure, when eNB uses one or more CC of PDCCH order deexcitation, can monitor collection to PDCCH equally safeguard: promptly when using the PDCCH order with one or more CC deexcitation the PDCCH of UE is monitored collection and upgrade again, eNB indication UE increases, deletes or replace the CC that PDCCH monitors in the collection.Alternatively, when deexcitation CC, if belonging to PDCCH, described CC by deexcitation monitors collection, eNB can indicate UE that this CC is monitored to concentrate from PDCCH and remove, and according to current CC configuring condition, the CC that PDCCH is monitored in the collection redistributes, promptly the CC that PDCCH is monitored in the collection increases, deletes or replaces, and in the PDCCH of this deexcitation CC order, notifying UE with lastest imformation, UE increases, deletes or replace the CC that PDCCH monitors in the collection based on the lastest imformation of eNB indication then.

The another kind that Fig. 3 b provides for the embodiment of the invention is formed the simplification schematic flow sheet of carrier management method, and described method comprises:

S31b: the base station sends medium Access Control control protocol data cell to subscriber equipment, with activate one or more component carriers, and indication need to add one or more component carriers of Physical Downlink Control Channel monitor set.

Particularly, base station (eNB, eNodeB) can send a MAC CE (Medium AccessControl-Control Element to UE, medium access control control unit), think that UE activates one or more composition carrier waves, and in this MAC CE, indicate whether and should to form carrier wave when forming carrier wave to join the PDCCH monitoring concentrated activating one.ENB can activate described CC by described one or more CC are added the PDSCH collection, and the CC that is activated can be used in data and transmits.Alternatively, eNB can indicate respectively also whether each component carrier needs to add the PDCCH monitor set in the component carrier of a plurality of new activation, and whether eNB also can concentrate the component carrier of these new activation of indication to need to join in the PDCCH monitor set.If a new component carrier that activates is added in the PDCCH monitor set, then eNB can further indicate the information of other component carriers that can dispatch at the component carrier of this new adding PDCCH monitor set, the information of described other component carriers comprises one or more in the information such as identifier, frequency information or PCI of these component carriers, which component carrier that namely represents this new adding PDCCH monitor set can dispatch other component carrier.Other component carriers of described scheduling can comprise other component carrier of new activation or other component carriers that former PDSCH concentrates.If the new composition carrier wave that activates is added into PDCCH and monitors and concentrate, then eNB can further indicate these do not add PDCCH monitor collection new activation the composition carrier wave specifically by PDCCH monitor concentrate which or which form carrier wave and dispatch.In a word, eNB can indicate to UE related (linkage) relation of the CC in CC and the PDSCH collection in the PDCCH monitor set, if there is the linkage relation in component carrier namely in the PDCCH monitor set with a carrier wave in the PDSCH collection, show that namely this component carrier in the PDCCH monitor set can be dispatched the interior component carrier of PDSCH collection that has the linkage relation.

In addition, if the new composition carrier wave that activates is an expansion CC (Extension CC) or CC segmentation (CC segment), described expansion CC or CC segmentation are meant the CC that self can not work alone, be self not have the PDCCH channel, can not dispatch voluntarily and can only depend on other CC control and dispatch the CC of use with PDCCH channel, promptly need obtain the schedule information of described expansion CC on described other CC, then eNB can further indication dispatch the composition carrier wave that this expands CC in the MAC CE order of activation composition carrier wave.The component carrier of this expansion of described scheduling CC can be that component carrier in the current PDCCH monitor set also can be the component carrier in the needs adding PDCCH monitor set of MAC CE order indicating of this activations component carrier.

Alternatively, the eNB reusable is used for the MAC CE and the MAC CE that is used for the renewal of PDCCH monitoring collection of carrier wave activation or deexcitation CC, promptly in MAC CE order, can use a current MAC CE order of indication information indication is the activation that is used to form carrier wave, still is used for the renewal that PDCCH monitors collection.

Alternatively, eNB also can be when activating one or more composition carrier waves for UE, the current PDCCH of UE is monitored the part or all of CC that concentrates to be replaced or removes, be that eNB uses MAC CE order when activating new composition carrier wave as UE, need send to UE from the indications of the concentrated one or more CC that replace or remove of PDCCH monitoring and the indication information of replacing or removing.

Selectively, eNB can be when concentrating current PDCCH monitoring one or more CC to remove from the PDCCH monitoring is concentrated, indicate whether described CC to be monitored to concentrate from PDSCH in this MAC CE order remove, promptly eNB can indicate whether deexcitation these are monitored from PDCCH and concentrate the CC that removes.If a CC is removed from the PDSCH monitor set, it will be deactivated, and namely no longer be used to transmit data.

S32b: subscriber equipment is according to the described indication of base station, and the one or more component carriers that needs added the Physical Downlink Control Channel monitor set add the Physical Downlink Control Channel monitor set.

UE is after the MAC CE order that receives the eNB transmission, can determine the new CC that activates according to the indication of MAC CE order, and the one or more component carriers that whether need newly to activate add the PDCCH monitor set, be that UE determines whether current PDCCH monitor set is upgraded, and will need the CC that adds the PDCCH monitor set to add the PDCCH monitor set.

S33b: subscriber equipment sends the Physical Downlink Control Channel monitor set and upgrades acknowledge message to described base station.Alternatively, UE can send the PDCCH monitor set and upgrade the affirmation Indication message to eNB after upgrading the PDCCH monitor set, and this process S33b is optional step.

In addition, in connection procedure, when eNB uses one or more CC of MAC CE deexcitation, can monitor collection to PDCCH equally safeguard: promptly when using MAC CE with one or more CC deexcitation the PDCCH of UE is monitored collection and upgrade again, eNB indication UE increases, deletes or replace the CC that PDCCH monitors in the collection.Alternatively, when deexcitation CC, if belonging to PDCCH, described CC by deexcitation monitors collection, eNB can indicate UE that this CC is monitored to concentrate from PDCCH and remove, and according to current CC configuring condition, the CC that PDCCH is monitored in the collection redistributes, and promptly the CC that PDCCH is monitored in the collection increases, deletes or replaces, and in the MAC CE of this deexcitation CC, notifying UE with lastest imformation, UE increases, deletes or replace the CC that PDCCH monitors in the collection based on the lastest imformation of eNB indication then.

The another kind that Fig. 4 provides for the embodiment of the invention is formed the simplification schematic flow sheet of carrier management method, and described method comprises:

S41: the base station sends wireless resource control connection reconfiguration message to subscriber equipment, needs to add one or more component carriers of Physical Downlink Control Channel monitor set with indication.

The RRC that eNB sends to UE connects in the reconfiguration message can comprise whether one or more CC newly assigned or that reconfigure need to add the PDCCH monitor set when being activated indication information.In addition, this RRC connects can further comprise in reconfiguration message and is not added into PDCCH when those activate and monitors the indication information which CC the CC of collection should be dispatched by, and the described CC that is used to dispatch can be that former PDCCH monitors the CC in the collection or need add the CC that PDCCH monitors collection when activating.That is to say, be not added into CC that PDCCH monitors collection and current PDCCH during activation and monitor between CC in the collection and can have the linkage relation, need add PDCCH when not being added into CC that PDCCH monitors collection when perhaps activating and activating and monitor and exist linkage to concern between the CC that collects.

S42: subscriber equipment receives the component carrier activation command from the base station.

S43: subscriber equipment adds one or more composition carrier waves adding Physical Downlink Control Channel monitoring collection that Physical Downlink Control Channel is monitored collection according to the described indication of base station with needs.

UE is instructed to add the PDCCH set if this CC connects at RRC in the reconfiguration message when the order of the one or more component carriers of activation that receive the eNB transmission, then UE adds the PDCCH monitor set with this CC; Be instructed to not add the PDCCH set when reshuffling if this CC connects at RRC, namely UE only adds this CC PDSCH CC set, namely only described CC is activated.

In addition, if the new composition carrier wave that activates is an expansion CC (Extension CC) or CC segmentation (CC segment), described expansion CC or CC segmentation are meant the CC that self can not work alone, be self not have the PDCCH channel, can not dispatch voluntarily and can only depend on other CC control and dispatch the CC of use with PDCCH channel, promptly need obtain the schedule information of described expansion CC on described other CC, then eNB can further indicate the composition carrier wave of this expansion of scheduling CC in forming the carrier wave activation command.The component carrier of this expansion of described scheduling CC can be that component carrier in the current PDCCH monitor set also can be that the needs of this component carrier activation command indicating add the component carrier in the PDCCH monitor set.

S44: further, in the process that UE connects, the base station can continue to send Physical Downlink Control Channel monitor set update command to subscriber equipment, with the component carrier in the Physical Downlink Control Channel monitor set of upgrading UE.

Alternatively, eNB can continue to use a RRC message, MAC control PDU or physical layer signaling to carry out maintenance or the renewal of PDCCH monitor set.In addition, eNB also can use RRC to connect reconfiguration message need to add the CC that PDCCH monitors collection to the composition carrier wave that is in configuration status when activating and reset, and uses RRC to connect one or more CC that reconfiguration message resets to the UE notice whether need to add the indication information that PDCCH monitors collection when activating.That is to say that eNB can before certain configuration is activated to the CC of UE, will change for the pre-configured this preconfigured information that whether adds the PDCCH monitor set when activating of this CC connects reconfiguration message by RRC.

Alternatively, in connection procedure, eNB can monitor collection to the PDCCH of UE with one or more CC deexcitations or when separating configuration and upgrade again using RRC to connect reconfiguration message, be that eNB indication UE upgrades the CC in the PDCCH monitoring collection, promptly PDCCH being monitored the interior CC of collection increases, deletes or replace.Alternatively, when deexcitation CC, if belonging to PDCCH, described CC by deexcitation monitors collection, eNB can indicate UE that this CC is monitored to concentrate from PDCCH and remove, and according to current CC configuring condition, the CC that PDCCH is monitored in the collection redistributes, promptly the CC that PDCCH is monitored in the collection increases, deletes or replaces, and using RRC connection reconfiguration message or CC deexcitation message to notify UE with lastest imformation, UE increases, deletes or replace the CC that PDCCH monitors in the collection based on the lastest imformation of eNB indication then.

Perhaps, when eNB removes one or more CC from the CC of configuration is concentrated, eNB is according to current CC configuring condition, the CC that PDCCH is monitored in the collection redistributes, promptly the CC that PDCCH is monitored in the collection increases, deletes or its replacement, and uses RRC to connect reconfiguration message or CC deexcitation message informing UE.

In addition, whether eNB also can add the PDCCH monitor set to the current CC that is in configuration status when activating re-starts setting, and the indication information that uses RRC connection reconfiguration message or deexcitation message to reset to the UE notice.

RRC described in this embodiment connects reconfiguration message and also can replace and carry out above-mentioned said function with other RRC message or MAC CE (Control Element) signaling, and promptly this embodiment is not limited to only use RRC connection reconfiguration message.

The base station is when the RRC connection of carrying out CC for UE is reshuffled in the present embodiment, indicate one or more CC when activating, whether to need to add the PDCCH monitor set, UE adds the PDCCH monitor set with the CC of indication when receiving the CC activation command, the follow-up maintenance of proceeding the PDCCH monitor set realizes the monitoring to PDCCH.

The another kind that Fig. 5 provides for the embodiment of the invention is formed the simplification schematic flow sheet of carrier management method, and described method comprises:

S51: the base station sends wireless resource control connection reconfiguration message to subscriber equipment, and activating one or more component carriers, and indication needs to add one or more component carriers of Physical Downlink Control Channel monitor set.

Present embodiment is from the different of Fig. 4 embodiment, RRC connects reconfiguration message when realizing configuration CC function, activate in addition the function of CC, be that RRC connects configuration and the activation that reconfiguration message realizes CC simultaneously, connect which CC of reconfiguration message indicating at this RRC simultaneously and need to add the PDCCH monitor set.ENB is when configuration and activating one or more component carriers, and whether can connect in the reconfiguration message at RRC increases with the indication information that partly or entirely joins the PDCCH monitor set in these component carriers.Alternatively, if there are a plurality of CC to be configured simultaneously and to activate, then whether eNB can indicate respectively each CC wherein to be added in the PDCCH monitor set; Perhaps also can only indicate the CC that need to be added in the PDCCH monitor set, and not add the PDCCH monitor set without the CC acquiescence of indication.Whether eNB also can concentrate the component carrier of these new configurations of indication and activation to be added in the PDCCH monitor set when activating, and namely whether eNB can use an indication information to indicate these to be added in the PDCCH monitor set by the component carrier that newly disposes and activate.

If the new component carrier that activates is added in the PDCCH monitor set, then eNB can further indicate the information of other component carriers that these component carriers that are added into the PDCCH monitor set can dispatch, the information of described other component carriers comprises the identifier of these component carriers, one or more in the information such as frequency information or PCI, which component carrier that namely represents this new adding PDCCH monitor set can dispatch other component carrier, other component carriers of described scheduling can comprise other component carrier of new activation or other component carriers that former PDSCH concentrates.If the new composition carrier wave that activates is added into PDCCH and monitors and concentrate, then the eNB composition carrier wave that can further indicate this new activation is monitored that or which of concentrating by PDCCH and is formed carrier wave and dispatch.In a word, eNB can indicate to UE related (linkage) relation of the CC in CC and the PDSCH collection in the PDCCH monitor set, if there is the linkage relation in component carrier namely in the PDCCH monitor set with a carrier wave in the PDSCH collection, show that namely this component carrier in the PDCCH monitor set can be dispatched the interior component carrier of PDSCH collection that has the linkage relation.

In addition, if the new composition carrier wave that activates is an expansion CC (Extension CC) or CC segmentation (CC segment), described expansion CC or CC segmentation are meant the CC that self can not work alone, be self not have the PDCCH channel, can not dispatch voluntarily and can only depend on other CC control and dispatch the CC of use with PDCCH channel, promptly need obtain the schedule information of described expansion CC on described other CC, then eNB can activate the composition carrier wave that the RRC that forms carrier wave connects further this expansion of indication scheduling CC in the reconfiguration message.The component carrier of this expansion of described scheduling CC can be that component carrier in the current PDCCH monitor set also can be that needs that RRC connects the reconfiguration message indicating add the component carrier in the PDCCH monitor set.

Alternatively, eNB also can use RRC to connect reconfiguration message as when the UE configuration and activating new one or more component carriers, part or all of CC in the current PDCCH monitor set of UE is replaced or removes, be that eNB uses RRC to connect reconfiguration message when disposing as UE and activating new component carrier, the indications of one or more CC that need to be replaced or remove from the PDCCH monitor set and replacement or the indication information that removes offer UE.

S52: subscriber equipment adds one or more composition carrier waves adding Physical Downlink Control Channel monitoring collection that Physical Downlink Control Channel is monitored collection according to the described indication of base station with needs.

UE is after the RRC that receives the eNB transmission connects reconfiguration message, can connect the indication of reconfiguration message according to RRC, determine that the CC adding PDCCH that those needs that are instructed to is added the new activation of PDCCH monitoring collection monitors collection, and current PDCCH monitoring collection is upgraded.

S53: subscriber equipment is reshuffled to the control of base station transmission Radio Resource and is finished message.

Alternatively, UE can send RRC and connect to reshuffle and finish message and upgraded with indication PDCCH monitor set and finish after upgrading the PDCCH monitor set.

S54: further, in the process that connects, the base station can continue to send Physical Downlink Control Channel monitor set update command to subscriber equipment, and indication UE upgrades the Physical Downlink Control Channel monitor set.

ENB can continue to use RRC to connect reconfiguration message indication UE and carry out the renewal of PDCCH monitor set.ENB can be when using RRC connection reconfiguration message that one or more CC are removed from the PDCCH monitor set, connect reconfiguration message indicating at this RRC and whether when from the PDCCH monitor set, removing one or more CC, corresponding CC is also removed from the PDSCH monitor set, be i.e. these CC of deexcitation when described CC is removed from the PDCCH monitor set whether.If the whole CC in the current PDCCH monitor set of UE need to be removed, then eNB can connect in the reconfiguration message at RRC and divide the new CC that is used in the PDCCH monitoring for UE when removing these CC.

Alternatively, in connection procedure, eNB can be when using RRC to connect reconfiguration message with one or more CC deexcitation monitors collection to the PDCCH of UE and upgrades again, i.e. eNB indication UE upgrades PDCCH and monitors CC in the collection, and promptly the CC that PDCCH is monitored in the collection increases, deletes or replaces.Alternatively, when deexcitation CC, if belonging to PDCCH, described CC by deexcitation monitors collection, eNB can indicate UE that this CC is monitored to concentrate from PDCCH and remove, and according to current CC configuring condition, the CC that PDCCH is monitored in the collection redistributes, and promptly the CC that PDCCH is monitored in the collection increases, deletes or replaces, and use RRC to connect reconfiguration message and notify UE with lastest imformation, UE increases, deletes or replace the CC that PDCCH monitors in the collection based on the lastest imformation of eNB indication then.

The base station is when the RRC connection of carrying out CC for UE is reshuffled in the present embodiment, activate CC and indicate one or more CC when activating, whether to need to add the PDCCH monitor set, eNB can continue CC to UE and carries out RRC and connect and reshuffle afterwards, to realize again renewal and the maintenance of PDCCH monitor set.

The another kind that Fig. 6 provides for the embodiment of the invention is formed the simplification schematic flow sheet of carrier management method, and described method comprises:

S61: source base station and target BS carry out handover negotiation optimization.

S62: source base station sends switching command to subscriber equipment, need to add one or more component carriers of Physical Downlink Control Channel monitor set at the switching command indicating.

ENB can send switching command to UE, perhaps send the RRC that has mobile management and connect reconfiguration message, can include target eNB in described message is the information of one or more composition carrier waves of UE configuration, and the PDCCH that needs UE to monitor monitors the information of collection.

In addition, if the new composition carrier wave that activates is an expansion CC (Extension CC) or CC segmentation (CC segment), described expansion CC or CC segmentation are meant the CC that self can not work alone, be self not have the PDCCH channel, can not dispatch voluntarily and can only depend on other CC control and dispatch the CC of use with PDCCH channel, promptly need obtain the schedule information of described expansion CC on described other CC, then eNB can further indicate the composition carrier wave of this expansion of scheduling CC in switching command.The component carrier of this expansion of described scheduling CC can be that component carrier in the current PDCCH monitor set also can be that the needs of switching command indicating add the component carrier in the PDCCH monitor set.

S63: subscriber equipment adds one or more composition carrier waves adding Physical Downlink Control Channel monitoring collection that Physical Downlink Control Channel is monitored collection according to described indication with needs.ENB monitors CC in the PDCCH monitor set subsequently, with the schedule information of one or more CC of obtaining configuration.

S64: subscriber equipment sends handoff completion message to target BS.

The UE of present embodiment is when source base station switches to target BS, know that by the switching command of source base station PDCCH monitors the lastest imformation of collection, promptly knowing needs to add the CC that PDCCH monitors collection, after receiving the CC activation command PDCCH is monitored collection and upgrades, and realizes the monitoring to CC.Present embodiment only makes brief of the introduction to switching flow, and concrete UE handoff procedure also comprises other process, and prior art has a detailed description this, and present embodiment is not done introduction to this.

A replacement scheme as process S62-S63 in the present embodiment, target eNB also can not send the information of PDCCH monitor set to UE in switching command, but after target eNB receives the handoff completion message that UE sends (or RRC connect to reshuffle finish message), send one or more component carriers that component carrier activation command and indication need to add the PDCCH monitor set by target eNB to UE; Especially, the new component carrier that activates can be an expansion CC (Extension CC) or CC segmentation (CC segment), described expansion CC or CC segmentation refer to the CC that self can not work alone, be self not have the PDCCH channel, can not dispatch voluntarily and can only depend on CC control that other has the PDCCH channel and dispatch the CC of use, namely need to obtain at described other CC the schedule information of described expansion CC, then eNB can further indicate the component carrier of this expansion of scheduling CC in the component carrier activation command.The component carrier of this expansion of described scheduling CC can be that component carrier in the current PDCCH monitor set also can be that the needs of component carrier activation command indicating add the component carrier in the PDCCH monitor set.

The another kind that Fig. 7 a provides for the embodiment of the invention is formed the schematic diagram of carrier management method, and described method comprises:

S71a: send the Indication message that activates one or more component carriers to subscriber equipment;

S72a: component carrier sends the schedule information of described one or more component carriers in current Physical Downlink Control Channel monitor set, perhaps

Each component carrier in described one or more component carriers sends the schedule information of this component carrier self;

S73a: send Physical Downlink Control Channel monitor set update command to subscriber equipment, with equipment for indicating user the Physical Downlink Control Channel monitor set is upgraded.

Present embodiment is after indication activates component carrier, can send the schedule information that newly activates CC by the CC in current PDCCH monitor set, and realize renewal to the PDCCH monitor set follow-up by PDCCH monitor set update command, for example, comprise component carrier A in the current PDCCH monitor set, the base station is that subscriber equipment has newly activated component carrier B, and then the base station can send at component carrier A the schedule information of component carrier B, and passes through signaling update PDCCH monitor set after finishing scheduling.If one or more expansion component carriers or component carrier segmentation are arranged in described one or more component carrier, then send the schedule information of described one or more expansion component carriers or carrier wave segmentation at the component carrier of appointment.Also there is another kind of implementation in present embodiment, sends the schedule information of this CC at the non-CC of expansion of an activation, and for expansion CC, can send at the CC of appointment the schedule information of this expansion CC, and pass through signaling update PDCCH monitor set after finishing scheduling.The described expansion of present embodiment CC is used to transmit data, and is not used in the CC that sends schedule information.The base station can be to the CC of subscriber equipment indication for the schedule information that sends described expansion CC when the configuration component carrier.The base station of present embodiment can further send the PDCCH monitor set and upgrade indication after activate the concurrent transmitting scheduling information of CC, can activate for UE in the process of CC, and the PDCCH monitor set of real-time servicing UE, the business demand of assurance UE has reduced the activation time delay of CC.ENB can to UE indicate eNB will be in current Physical Downlink Control Channel monitor set component carrier send the schedule information of described one or more component carriers, or each component carrier in described one or more component carriers sends the schedule information of this component carrier self, so that UE adopts corresponding mode receiving scheduling information.

The another kind that Fig. 7 b provides for the embodiment of the invention is formed the schematic diagram of carrier management method, and described method comprises:

S71b: receive the Indication message that activates one or more component carriers;

S72b: component carrier receives the schedule information of described one or more component carriers in current Physical Downlink Control Channel monitor set, perhaps

Each component carrier in described one or more compositions receives the schedule information of this component carrier self;

S73b: receive Physical Downlink Control Channel and monitor the collection update command, and carry out the renewal that Physical Downlink Control Channel is monitored collection according to the indication of described order.

UE can be after activating CC in the present embodiment, obtains the schedule information of new activation CC by monitoring CC in the CC that activates or the current PDCCH monitor set, carries out the maintenance of PDCCH monitor set by receiving from the PDCCH monitor set update command of base station follow-up.If one or more expansion component carriers or component carrier segmentation are arranged in described one or more component carrier, then receive the schedule information of described one or more expansion component carriers or carrier wave segmentation at the component carrier of appointment.The described expansion of present embodiment CC is used to transmit data, and is not used in the CC that sends schedule information.Subscriber equipment can be known the CC for the schedule information that sends described expansion CC of appointment from configuration information when receiving the configuration information of base station, and monitor to obtain the schedule information of expansion CC at the CC of this appointment.The subscriber equipment of present embodiment can further receive PDCCH and monitor collection renewal indication after receive the schedule information of CC, realizes PDCCH is monitored collection renewal real-time servicing, guarantees business demand, has reduced the activation time delay of CC.UE can from eNB receive Indication message with know eNB will be in current Physical Downlink Control Channel monitor set component carrier send the schedule information of described one or more component carriers, or each component carrier in described one or more component carriers sends the schedule information of this component carrier self, so that UE adopts corresponding mode receiving scheduling information.

The another kind that Fig. 8 provides for the embodiment of the invention is formed the simplification schematic flow sheet of carrier management method, and described method comprises:

S81: the base station sends the component carrier reconfiguration message to subscriber equipment.

Alternatively, eNB and UE between finish RRC (Radio Resource Control, Radio Resource control) connect set up after, can be based on business demand or other QoS (the Quality of Service of UE, quality of service) requiring etc., is the one or more composition carrier waves of the new configuration of UE.If the component carrier of new configuration is expansion CC (Extension CC) or CC segmentation (CC segment), described expansion CC or CC segmentation refer to the CC that self can not work alone, be self not have the PDCCH channel, can not dispatch voluntarily and can only depend on CC control that other has the PDCCH channel and dispatch the CC of use, namely need to obtain at described other CC the schedule information of described expansion CC, then the eNB component carrier that also can be UE in the PDCCH monitor set or specify this expansion of one or more scheduling CC in the component carrier that is activating.Described composition carrier wave reconfiguration message can be a RRC message, MAC (MediaAccess Control, media interviews control) control PDU (Protocol Data Unit, protocol Data Unit) or physical layer control signaling.

S82: the base station sends the component carrier activation command to subscriber equipment.

When eNB is UE when activating one or more new component carrier, UE can adopt one of following manner to obtain the schedule information of the CC of new activation:

Mode 1: the CC to new activation can give tacit consent to use 1a scheduling mode, and the schedule information that is about to a new CC who activates sends to UE at the PDCCH channel of this CC oneself, and namely UE joins the PDCCH monitor set to the CC of each new activation; If should the new CC that activates be the component carrier (extensionCC) of expansion, then the CC of this expansion can dispatch at the component carrier of this expansion of scheduling CC of appointment;

Mode 2: the CC to new activation can use the 1b mode to dispatch, and namely should be dispatched by the one or more CC in the current PDCCH monitor set by the new CC that activates.Further, eNB can specify for UE one or more component carriers of the CC of this new activation of scheduling;

Mode 3:eNB can be according to current existing PDSCH monitor set and PDCCH monitor set situation, perhaps determine that according to the scheduling situation of the current CC of eNB and/or the quantity of the new CC that activates of needs the component carrier of current new activation is 1a or 1b mode, if eNB determines to use the 1b mode to dispatch, can further specify one or more component carriers of the CC of this new activation of scheduling for UE.It is the linkage relation that eNB specifies CC with the new CC that activates of current PDCCH monitor set.

S83: subscriber equipment is monitored the schedule information of the composition carrier wave that activates.

Corresponding with described mode 1, UE can monitor to obtain the schedule information of this new activation CC at a new CC who activates, and is about to and should adds the PDCCH monitor set by the new CC of activation; If should new activate CC be the component carrier (extension CC) of expansion, can carry out described monitoring at the component carrier of appointment.Corresponding with mode 2, UE can carry out described monitoring by the one or more CC in current PDCCH monitor set, with the schedule information of the CC that obtains new activation.

S84: further, in the process that UE connects, the base station can continue to send special-purpose Physical Downlink Control Channel monitor set update command to subscriber equipment, and indication UE upgrades the Physical Downlink Control Channel monitor set, and this step is optional step.ENB can use RRC message, MAC control PDU or physical layer signaling indication UE to carry out the PDCCH monitor set to upgrade, namely indicate UE to the increase of the CC in the PDCCH monitor set, remove or reshuffle.

The base station is UE configuration CC in the present embodiment, and activate one or more CC, UE adds PDCCH by the CC that will newly activate and monitors collection, by monitoring the schedule information that a new CC who activates obtains this new activation CC, eNB can indicate UE to carry out the renewal that Physical Downlink Control Channel is monitored collection subsequently, UE can realize follow-up monitoring to PDCCH after upgrading Physical Downlink Control Channel monitoring collection.

With method embodiment correspondingly, present embodiment provides apparatus embodiments to carry out described method, is appreciated that described equipment can realize by the mode of hardware, software or the two combination.

The schematic diagram of a kind of base station 90 that Fig. 9 provides for the embodiment of the invention, described base station 90 comprises:

Upgrade determining unit 91, be used at the definite one or more component carriers that need to add the Physical Downlink Control Channel monitor set of component carrier to be activated or to be configured;

First upgrades indicating member 92, is used for sending component carrier to subscriber equipment and activates or configuration messages, needs to add one or more component carriers of Physical Downlink Control Channel monitor set with indication.

The base station 90 of described embodiment can send component carrier activation or the configuration messages CC to UE indication adding PDCCH monitor set.

Described first upgrades indicating member 92 can comprise: the physical downlink control channel commands indicating module, be used for sending physical downlink control channel commands to subscriber equipment, need to add one or more component carriers of Physical Downlink Control Channel monitor set to activate one or more component carriers and indication; Perhaps media access control protocol data unit indicating module, be used for sending media access control protocol data unit to subscriber equipment, need to add one or more component carriers of Physical Downlink Control Channel monitor set to activate one or more component carriers and indication; Perhaps radio resource control signaling indicating module, be used for sending radio resource control signaling to subscriber equipment, think that subscriber equipment redistributes or dispose one or more component carriers, and one or more component carriers that need to add the Physical Downlink Control Channel monitor set when component carrier is activated are being redistributed or are being disposed in indication; Perhaps switch indicating module, be used for sending switching command to subscriber equipment, switch to target BS and indicate the one or more component carriers that need to add the Physical Downlink Control Channel monitor set from source base station with equipment for indicating user.First upgrades the indication that indicating member 92 can realize needs are added by PDCCH order, switching command or RRC signaling the CC of PDCCH monitor set.Described base station 90 can further comprise: second upgrades indicating member 93, is used for sending Physical Downlink Control Channel monitor set update command to subscriber equipment, with equipment for indicating user the Physical Downlink Control Channel monitor set is upgraded.Second upgrades indicating member 93 by sending PDCCH monitor set update command, realizes that UE upgrades follow-up PDCCH monitor set.Be appreciated that the corresponding flow process of embodiment of the method before each unit and functional module can be carried out in the base station of present embodiment.For example the first renewal indicating member 92 also is used for indicating the composition carrier wave of monitoring by described composition carrier wave activation or configuration messages on one or more composition carrier waves that the monitoring of needs adding Physical Downlink Control Channel collects, and perhaps also being used for indicating by described composition carrier wave activation or configuration messages need be from concentrated replacement of Physical Downlink Control Channel monitoring or the composition carrier wave that removes.

The schematic diagram of a kind of subscriber equipment 100 that Figure 10 provides for the embodiment of the invention, described subscriber equipment 100 can comprise:

Message sink unit 101 is used for receiving component carrier and activates or configuration messages, knows that according to the indication of described component carrier activation or configuration messages needs add one or more component carriers of Physical Downlink Control Channel monitor set;

First upgrades performance element 102, and the one or more component carriers that are used for will needing to add the Physical Downlink Control Channel monitor set add the Physical Downlink Control Channel monitor set.

The subscriber equipment 100 of present embodiment receives component carrier and activates or configuration messages, knows the CC that needs to add the PDCCH monitor set by the indication of described message, in order to carry out the renewal of PDCCH monitor set.

Described message sink unit 101 can further comprise: the physical downlink control channel commands receiver module, be used for receiving physical downlink control channel commands, knowing needs the one or more component carriers that activate and the one or more component carriers that need to add the Physical Downlink Control Channel monitor set; Perhaps media access control protocol data unit receiver module, be used for receiving media access control protocol data cell, know one or more component carriers of needs activation and one or more component carriers that needs add the Physical Downlink Control Channel monitor set according to the indication of this media access control protocol data unit; Perhaps radio resource control signaling receiver module, be used for receiving radio resource control signaling, know that the base station is the component carrier of user device configuration and is redistributing or disposing one or more component carriers that need to add the Physical Downlink Control Channel monitor set when component carrier is activated; Perhaps the switching command receiver module is used for receiving switching command, knows one or more component carriers that subscriber equipment need to switch to target BS and need to add the Physical Downlink Control Channel monitor set.Described subscriber equipment can further comprise: second upgrades performance element 103, be used for receiving Physical Downlink Control Channel monitor set update command, according to the indication of described Physical Downlink Control Channel monitor set update command, the Physical Downlink Control Channel monitor set is upgraded.Second upgrades performance element 103 by receiving follow-up PDCCH monitor set update command, realizes follow-up PDCCH monitor set renewal.Be appreciated that the corresponding flow process of embodiment of the method before each unit and functional module can be carried out in the subscriber equipment of present embodiment.For example message sink unit 101 also is used for knowing that according to the indication of described composition carrier wave activation or configuration messages needs add the composition carrier wave of monitoring on one or more composition carrier waves of Physical Downlink Control Channel monitoring collection, perhaps also is used for knowing the composition carrier wave that needs are concentrated replacement or removed from the Physical Downlink Control Channel monitoring according to the indication of described composition carrier wave activation or configuration messages.

The schematic diagram of the another kind of base station 110 that Figure 11 provides for the embodiment of the invention, described base station 110 can comprise:

Activate indicating member 111, be used for sending the Indication message that activates one or more component carriers to subscriber equipment;

Schedule information transmitting element 112 is for the schedule information of the described one or more component carriers of the transmission of component carrier in current Physical Downlink Control Channel monitor set, perhaps

Upgrade indicating member 113, be used for sending Physical Downlink Control Channel monitor set update command to subscriber equipment, with equipment for indicating user the Physical Downlink Control Channel monitor set is upgraded.

Present embodiment base station 110 is upgraded by realize the Physical Downlink Control Channel monitor set after the schedule information that sends the one or more component carriers that activate.Be appreciated that the corresponding flow process of embodiment of the method before each unit and functional module can be carried out in the base station of present embodiment.If one or more expansion component carriers or component carrier segmentation are arranged in described one or more component carrier, then schedule information transmitting element 112 can send at the component carrier of appointment the schedule information of described one or more expansion component carriers or carrier wave segmentation

The schematic diagram of the another kind of subscriber equipment 120 that Figure 12 provides for the embodiment of the invention, described subscriber equipment 120 comprises:

Indication message receiving element 121 is used to receive the Indication message that activates one or more composition carrier waves;

Schedule information acquiring unit 122 is for the schedule information of the described one or more component carriers of the reception of component carrier in current Physical Downlink Control Channel monitor set, perhaps

Upgrade performance element 123, be used for receiving Physical Downlink Control Channel monitor set update command, and carry out the renewal of Physical Downlink Control Channel monitor set according to the indication of described Physical Downlink Control Channel monitor set update command.

The subscriber equipment 120 of present embodiment further receives PDCCH monitor set update command after the schedule information of the CC that obtains activation, upgrade to realize the PDCCH monitor set.Be appreciated that the corresponding flow process of embodiment of the method before each unit and functional module can be carried out in the subscriber equipment of present embodiment.If one or more expansion component carriers or component carrier segmentation are arranged in described one or more component carrier, then schedule information acquiring unit 122 can receive at the component carrier of appointment the schedule information of described one or more expansion component carriers or carrier wave segmentation.

One of ordinary skill in the art will appreciate that all or part of flow process that realizes in above-described embodiment method, to come the relevant hardware of instruction to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process such as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.

The above only is several embodiments of the present invention, and those skilled in the art can carry out various changes or modification to the present invention and do not break away from the spirit and scope of the present invention according to application documents are disclosed.One of ordinary skill in the art will appreciate that between described embodiment or in situation about not clashing, can interosculate between the feature of different embodiment and form new embodiment.

Claims

1. form the carrier management method for one kind, it is characterized in that, comprising:

2. method according to claim 1 is characterized in that, also comprises:

If one or more expansion component carriers or component carrier segmentation are arranged in described one or more component carrier, then send the schedule information of described one or more expansion component carriers or carrier wave segmentation at the component carrier of appointment.

3. method according to claim 1 and 2 is characterized in that, also comprises:

In current Physical Downlink Control Channel is monitored collection, form before the schedule information that sends described one or more composition carrier waves on the carrier wave, send Indication message to subscriber equipment, in current Physical Downlink Control Channel is monitored collection, form the schedule information that sends described one or more composition carrier waves on the carrier wave with indication; Perhaps

Each component carrier in described one or more component carriers sends before the schedule information of this component carrier self, send Indication message to subscriber equipment, send the schedule information of this component carrier self with indication each component carrier in described one or more component carriers.

4. form the carrier management method for one kind, it is characterized in that, comprising:

Receive the Indication message that activates one or more component carriers;

5. method according to claim 4 is characterized in that, also comprises:

If one or more expansion component carriers or component carrier segmentation are arranged in described one or more component carrier, then receive the schedule information of described one or more expansion component carriers or carrier wave segmentation at the component carrier of appointment.

6. according to claim 4 or 5 described methods, it is characterized in that, also comprise:

In current Physical Downlink Control Channel is monitored collection, form before the schedule information that receives described one or more composition carrier waves on the carrier wave, receive Indication message, and be informed in the schedule information that receives described one or more composition carrier waves in the current Physical Downlink Control Channel monitoring collection on the composition carrier wave according to the indication of described Indication message; Perhaps

Each component carrier in described one or more compositions receives before the schedule information of this component carrier self, receive Indication message, and be informed in the schedule information that receives this component carrier self on each component carrier in described one or more composition according to the indication of described Indication message.

7. a base station is characterized in that, comprising:

8. a subscriber equipment is characterized in that, comprising: