CN103096491B - The method and apparatus of the physical downlink control channel that scheduling strengthens - Google Patents
The method and apparatus of the physical downlink control channel that scheduling strengthens Download PDFInfo
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Abstract
The invention provides a kind of technical scheme of the physical downlink control channel for dispatching enhancing.According to the embodiment of the present invention in base station side: use the physical downlink control channel parameter that radio resource control signaling strengthens to user device configuration; In response to determining, the physical downlink control channel strengthened being used to subscriber equipment, activating the physical downlink control channel strengthened with the first independent order to this notification of user equipment.In user equipment side: the physical downlink control channel parameter receiving the enhancing using radio resource control signaling configuration from base station; Store the physical downlink control channel parameter of the enhancing received; In response to first of the physical downlink control channel received from base station for activating enhancing the independent order, based on the physical downlink control channel parameter of the enhancing stored, start to monitor the physical downlink control channel strengthened.Embodiments of the present invention also provide corresponding device and communication system.
Description
Technical field
The application relates generally to for wireless communication field, more specifically, the present invention relates to a kind of method and apparatus for dispatching the physical downlink control channel that activation/deactivation strengthens in a wireless communication system.
Background technology
Now, along with intelligent and portable Wireless Telecom Equipment increasing rapidly in market share such as such as smart mobile phones, more and more require that wireless communication system can support more eurypalynous subscriber equipment (User Equipment, UE).On the one hand, along with the development wireless communication system of technology needs to utilize new technology to provide more effectively serve for having new functional subscriber equipment; And wireless communication system also needs to support existing subscriber equipment on the other hand, realize the compatibility of new and old edition.
At third generation partner program Long Term Evolution (3GPP Long TermEvolution, LTE) in, consider current business trend, the capacity of physical downlink control channel (Physical Downlink Control Channel, PDCCH) is sufficient not.Owing to introducing some such as multi-user's multiple-input, multiple-output (MU-MIMO) technology, spaced antenna technology and multipoint cooperative (Cooperation of Multipoint, CoMP) candidate technologies of transmission etc., the capacity of existing PDCCH is close to its limit.Therefore, the capacity increasing PDCCH is needed, to adapt to the current and following development.
The PDCCH that two kinds of mechanism realize strengthening has been proposed at present.
Mechanism 1: introduce the specific reference signal of user (U-RS) in current PDCCH resource unit group (Resource Element Group, REG).Control domain can not be expanded to data field by this mechanism.
Mechanism 2: introduce new control domain (such as, R-PDCCH) in existing data field.
Mechanism 1 can support U-RS and closed loop precoding in existing PDCCH territory.But additional demodulated pilot signal (DMRS) load may offset the spectral efficiency gain provided by precoding, and be difficult to carry out interference cooperation.Mechanism 2 uses existing DMRS resource, and it extends PDCCH territory to present physical downlink sharied signal channel (Physical Downlink SharingChannel, PDSCH) territory.But this will reduce available resource, because shared by the PDCCH channel that is enhanced of some PDSCH resources.
Although use which kind of method to carry out enhancing at present also among discussion to PDCCH, but should be appreciated that, once adopt certain to strengthen PDCCH scheme, then when UE starts to detect the PDCCH of this enhancing to PDCCH and UE detecting this enhancing to need the base station solving such as eNodeB how to notify.
Therefore, a kind of method and apparatus controlling the physical downlink control channel that activation/deactivation strengthens in a wireless communication system is needed.
Summary of the invention
In order to solve the technical problem that prior art exists, embodiments of the present invention propose a kind of technical scheme of the physical downlink control channel for dispatching enhancing, make wireless communication system can support the activation of physical downlink control channel to strengthening and/or deexcitation, thus carry out resource management more neatly.
According to one embodiment of the present invention, provide a kind of method of the physical downlink control channel for dispatching enhancing.The method comprises: use the physical downlink control channel parameter that radio resource control signaling strengthens to user device configuration; And, in response to determining, the physical downlink control channel strengthened being used to subscriber equipment, activating the physical downlink control channel strengthened with the first independent order to this notification of user equipment.
According to another embodiment of the present invention, provide a kind of device of the physical downlink control channel for dispatching enhancing.This device comprises: the device of the physical downlink control channel parameter strengthened to user device configuration for using radio resource control signaling; And, for using to subscriber equipment the physical downlink control channel strengthened in response to determining, activate the device of the physical downlink control channel strengthened to this notification of user equipment with the first independent order.
According to another embodiment of the present invention, provide a kind of base station equipment.This base station equipment comprises the device of the physical downlink control channel for dispatching enhancing according to embodiment of the present invention.
According to another embodiment of the present invention, provide a kind of method of the physical downlink control channel for dispatching enhancing.The method comprises: the physical downlink control channel parameter receiving the enhancing using radio resource control signaling configuration from base station; Store the physical downlink control channel parameter of the enhancing received; In response to first of the physical downlink control channel received from base station for activating enhancing the independent order, based on the physical downlink control channel parameter of the enhancing stored, start to monitor the physical downlink control channel strengthened.
According to another embodiment of the present invention, provide a kind of device of the physical downlink control channel for dispatching enhancing.This device comprises: for receiving the device of the physical downlink control channel parameter of the enhancing using radio resource control signaling configuration from base station; For storing the device of the physical downlink control channel parameter of the enhancing of reception; For the order that first in response to the physical downlink control channel received from base station for activating enhancing is independent, based on the physical downlink control channel parameter of the enhancing stored, start the device monitoring the physical downlink control channel strengthened.
According to another embodiment of the present invention, provide a kind of subscriber equipment.This subscriber equipment comprises the device of the physical downlink control channel for dispatching enhancing according to execution mode.
According to another embodiment of the present invention, provide a kind of wireless communication system.This wireless communication system comprises the base station according to embodiment of the present invention and the subscriber equipment according to embodiment of the present invention.
Accompanying drawing explanation
Illustrative embodiments of the present invention is understood in order to more perfect, with reference now to the following description carried out by reference to the accompanying drawings, in the accompanying drawings:
Fig. 1 shows the flow chart of the method for the physical downlink control channel for dispatching enhancing according to embodiment of the present invention;
Fig. 2 shows the flow chart of the method for the physical downlink control channel for dispatching enhancing according to embodiment of the present invention;
Fig. 3 schematically shows the structured flowchart of the base station according to embodiment of the present invention;
Fig. 4 schematically shows the structured flowchart of the travelling carriage according to embodiment of the present invention.
Embodiment
Following in the detailed description of execution mode, with reference to the accompanying drawing forming a part herein.The mode illustrated by example and show can wherein to the execution mode that the present invention puts into practice.The change that can utilize other execution mode when not departing from scope of the present invention and make in structure or in logic.Therefore, the following detailed description is not construed as limiting the claimed scope of the application.
The multiple discrete operation carried out successively is expressed as according to the mode contributing to understanding embodiment of the present invention in the description with reference to the various operating processes described by flow chart.But, flow sequence described here these operations should be interpreted as and described order must be depended on.Those skilled in the art can adopt other flow sequence to realize embodiments of the present invention when not departing from the scope of the invention, such as, parallel some process step of execution, merge some process step, segment some process step, etc.
Term " PDCCH of enhancing " is used to represent any technical scheme for strengthening PDCCH capacity and performance hereinafter.The term relative with term " PDCCH of enhancing " is " existing PDCCH ", represents do not have the capacity of enhancing and the existing technical scheme of performance.Term " UE of enhancing " represents the functional UE of PDCCH with enhancing.The term relative with term " UE of enhancing " is " existing UE ", represents the functional existing UE of PDCCH without enhancing.
As described in the background art, when the PDCCH that wireless communication system can be supported the to strengthen UE that is the enhancing with corresponding function serves, wireless communication system also needs to continue to support that existing PDCCH serves for existing UE.And be in the consideration of saving Radio Resource, the UE that wireless communication system according to circumstances can also be chosen as specific enhancing adopts the PDCCH strengthened or the PDCCH not adopting enhancing.Therefore, need to provide a kind of technical scheme controlling the physical downlink control channel that activation/deactivation strengthens in a wireless communication system.
A kind of directly solution is, the PDCCH that base station use wireless heterogeneous networks (Radio Resource Control, the RRC) signaling of the base station (eNB) of such as evolution is come to strengthen to the UE configuration strengthened configures necessary parameter.Once the UE strengthened receives this RRC signaling, then this UE will begin in a minute and detects the PDCCH of enhancing.But this mode has obvious shortcoming: the transmission delay caused by RRC signaling is sizable, may more than 10ms, and also eNB can not know that the UE of enhancing detects the definite timing of RRC signaling.Therefore, eNB can not determine that the UE started as strengthening distributes the timing of the PDCCH strengthened.If eNB just distributed to it PDCCH strengthened before the UE strengthened starts to detect RRC signaling, then the wasting of resources will be caused, because the UE now strengthened may not receive the PDCCH of this enhancing.Similarly, if eNB wishes to discharge the PDCCH strengthened, then RRC signaling is used also may to cause similar asynchronous problem.
Embodiments of the present invention propose a kind of technical scheme of the physical downlink control channel for dispatching enhancing, make wireless communication system can support the activation of physical downlink control channel to strengthening and/or deexcitation, and resource management can be carried out more neatly.
Fig. 1 shows the flow chart in base station of the method for the physical downlink control channel for dispatching enhancing according to embodiment of the present invention.
As shown in Figure 1, in the step s 100, this process starts.
In step s 110, base station uses the physical downlink control channel parameter that radio resource control signaling strengthens to user device configuration.
The base station of such as eNB such as can obtain by current RRC signaling procedure (UE capability inquiry) ability that can subscriber equipment support the PDCCH strengthened, and also namely judges whether particular UE is the UE strengthened.In one implementation, eNB can when knowing that special user equipment can support the PDCCH strengthened by the physical downlink control channel parameter of RRC signaling to its configuration enhancing.ENB can use the RRC in current RRC signaling to connect and reconfigure the parameter that message carrys out to send to UE the physical downlink control channel strengthened.
Subscriber equipment can be configured to monitor the physical downlink control channel of this enhancing according to the physical downlink control channel parameter of this enhancing.In one implementation, the physical downlink control channel parameter of this enhancing at least comprises: the sub-band information of the physical downlink control channel of enhancing.Alternatively, the physical downlink control channel parameter of this enhancing can also comprise following at least one item: the physical downlink control channel format information of enhancing; And the physical downlink control channel radio network temporary identifier (RNTI) for strengthening.Wherein, whether the RNTI resource that may be used for that UE is identified and distribute is the physical downlink control channel resource of the enhancing distributing to oneself.
In the step s 120, in response to determining, the physical downlink control channel strengthened being used to subscriber equipment, activating the physical downlink control channel strengthened with the first independent order to this notification of user equipment.Here, term " activation " represents that the UE of enhancing will be dispatched in base station with the PDCCH strengthened, and this UE detects one's own physical down link control signal by the PDCCH strengthened.
According to system needs, eNB can determine whether to need the UE for strengthening to activate the PDCCH strengthened by predetermined standard.Such as, whether the capacity that eNB can detect the existing PDCCH of current employing reaches its limit.When reaching the limit of, in order to dispatch more UE (comprising the UE of enhancing and existing UE), can be that UE that is whole in system or some of them enhancing activates the PDCCH strengthened.Certain those skilled in the art understands the PDCCH that also there is other various situation and determine whether as standard to need to activate enhancing, and these standards do not limit being suitable for of embodiment of the present invention.
According to the embodiment of the present invention, the base station of such as eNB to activate with independent order (in order to be called with hereafter distinguishing " first independent order ") physical downlink control channel strengthened to notification of user equipment.This first independent order on the such as time and/or signaling form on be separated with the RRC signaling configuring the physical downlink control channel parameter strengthened.
According to one embodiment of the present invention, the first independent order can be controlled (MAC) control unit (CE) and realize by media interviews.Such as can increase new information unit in MAC CE.Table 1 shows current region Logic Channel Identifier (LCID) value.
Table 1
Wherein logic channel example, the corresponding MAC Control Element type of the corresponding MAC SDU of LCID domain identifier, or fill.As shown in table 1, index 01011-11010 is reserved region.In order to realize the function activating the physical downlink control channel strengthened, reserved LCID (such as 11010) can be used to indicate the physical downlink control channel activating and strengthen.
According to one embodiment of the present invention, the first independent order can be realized by existing PDCCH.Such as can indicate whether to activate by a bit in existing PDCCH.Down link control information (Downlink Control Information can be adopted, DCI) form 1, DCI format 1A, DCI format 1B, DCI format 1C, DCI format 1D, DCI format 2, DCI format 2A, DCI format 2B, DCI format 2C define a new bit using as the designator activating the physical downlink control channel strengthened, thus realize this first independent order.
After activating the PDCCH strengthened, eNB uses the PDCCH strengthened to dispatch particular UE so that current existing PDCCH can be used in dispatching other UE.Therefore, it is possible to increase the number of UE dispatched in systems in which, and the throughput of community is improved.It should be noted that when also namely activating the PDCCH of enhancing, these UE may also need to monitor existing PDCCH when the UE of specific enhancing starts to monitor the PDCCH strengthened.
If be configured with the physical downlink control channel radio network temporary identifier (RNTI) for strengthening, the UE of enhancing is according to the one's own physical down link control signal of this radio network temporary identifier identification.
In step s 130, which, this process terminates.
When eNB is after the UE strengthened activates the PDCCH strengthened, deexcitation can also be carried out to the PDCCH strengthened.The process of deexcitation and activation are asynchronous carrying out.Can deexcitation in several ways strengthen PDCCH.
According to one embodiment of the present invention, no longer the physical downlink control channel strengthened being used to this subscriber equipment in response to determining, notifying with the second independent order the physical downlink control channel that this subscriber equipment deexcitation strengthens.ENB can determine whether the PDCCH of the UE deexcitation enhancing needed for strengthening by predetermined standard.Such as, when system load reduces, the PDCCH that the UE deexcitation that can be defined as to economize on resources strengthening strengthens.Certain those skilled in the art understands the PDCCH that also there is other various situation and determine whether as standard to need deexcitation to strengthen, and these standards do not limit being suitable for of embodiment of the present invention.
Similar with the first independent order, the second independent order can be controlled (MAC) control unit (CE) according to one embodiment of the present invention and realize by media interviews.Such as can increase new information unit in MAC CE.In order to realize the function of the physical downlink control channel that deexcitation strengthens, deexcitation information is passed in the region that such as index 01011-11010 shown in use table 1 is reserved.In a kind of advantageous manner, such as, can use the reserved LCID (such as 11010) identical with carrying the first independent order) indicate the physical downlink control channel activating and strengthen.
Second independent order can be realized by the PDCCH strengthened according to one embodiment of the present invention.Such as can indicate whether to activate by a bit in the PDCCH strengthened.Similarly, down link control information (the Downlink Control Information in the PDCCH of enhancing can be adopted, DCI) form 1, DCI format 1A, DCI format 1B, DCI format 1C, DCI format 1D, DCI format 2, DCI format 2A, DCI format 2B, DCI format 2C define a new bit using as the designator activating the physical downlink control channel strengthened, thus realize this second independent order.
According to another execution mode of the present invention, the activationary time section of one section of predetermined length can be specified for the PDCCH strengthened.The UE then automatic PDCCH that strengthens of deexcitation after activating the PDCCH strengthened and exceeding the activationary time section of predetermined length.The advantage done like this is to save the additional signaling needed for PDCCH strengthened for deexcitation.
The base station of such as eNB can when the physical downlink control channel parameter strengthened by RRC signal deployment, and the UE simultaneously for strengthening configures the timed length of the packet data inactivity timer of the physical downlink control channel strengthened.The UE strengthened utilizes this packet data inactivity timer to determine when the physical downlink control channel that deexcitation strengthens.Start to monitor the PDCCH strengthened once the UE strengthened receives the first independent order, then start packet data inactivity timer, it has the timed length of configured packet data inactivity timer.When this packet data inactivity timer crosses after date, the UE of enhancing stops the physical downlink control channel of monitoring enhancing.
Fig. 2 shows the flow chart at subscriber equipment place of the method for the physical downlink control channel for dispatching enhancing according to embodiment of the present invention.
In step s 200, this process starts.
In step S210, receive the physical downlink control channel parameter of the enhancing using radio resource control signaling configuration from base station.Such as, radio resource control signaling can comprise RRC connect reconfigure message.In one implementation, the physical downlink control channel parameter of this enhancing at least comprises: the sub-band information of the physical downlink control channel of enhancing.Alternatively, the physical downlink control channel parameter of this enhancing can also comprise following at least one item: the physical downlink control channel format information of enhancing; And the physical downlink control channel radio network temporary identifier (RNTI) for strengthening.Wherein, whether the RNTI resource that may be used for that UE is identified and distribute is the physical downlink control channel resource of the enhancing distributing to oneself.
In step S220, store the physical downlink control channel parameter of the enhancing received.
In step S230, in response to first of the physical downlink control channel received from base station for activating enhancing the independent order, based on the physical downlink control channel parameter of the enhancing stored, start to monitor the physical downlink control channel strengthened.
According to one embodiment of the present invention, the first independent order can be controlled (MAC) control unit (CE) and realize by media interviews.Such as can increase new information unit in MAC CE.In order to realize the function activating the physical downlink control channel strengthened, reserved LCID (such as 11010) can be used to indicate the physical downlink control channel activating and strengthen.
According to one embodiment of the present invention, the first independent order can be realized by existing PDCCH.Such as can indicate whether to activate by a bit in existing PDCCH.Down link control information (Downlink Control Information can be adopted, DCI) form 1, DCI format 1A, DCI format 1B, DCI format 1C, DCI format 1D, DCI format 2, DCI format 2A, DCI format 2B, DCI format 2C define a new bit using as the designator activating the physical downlink control channel strengthened, thus realize this first independent order.
If be configured with the physical downlink control channel radio network temporary identifier (RNTI) for strengthening, then the UE strengthened is according to the one's own physical down link control signal of this radio network temporary identifier identification.
In step S240, this process terminates.
According in one embodiment of the present invention, user device responsive, in the receive the physical downlink control channel strengthened for deexcitation from base station second independent order, stops the physical downlink control channel that monitoring strengthens.Wherein, the second independent order is that base station controls control unit notice by media interviews in one embodiment.Second independent order is the physical downlink control channel notice that base station is passed through to strengthen in another embodiment.
According to another execution mode of the present invention, the activationary time section of one section of predetermined timed length can be specified for the PDCCH strengthened.The base station of such as eNB can when the physical downlink control channel parameter strengthened by RRC signal deployment, and the UE simultaneously for strengthening configures the timed length of the packet data inactivity timer of the physical downlink control channel strengthened.Subscriber equipment utilizes this packet data inactivity timer to determine when the physical downlink control channel that deexcitation strengthens.Start to monitor the PDCCH strengthened once subscriber equipment receives the first independent order, then start packet data inactivity timer, it has the timed length of configured packet data inactivity timer.After date is crossed, the physical downlink control channel that subscriber equipment stops monitoring strengthening in response to this packet data inactivity timer.
Fig. 3 schematically shows the structured flowchart of the base station according to embodiment of the present invention.
As shown in Figure 3, reference number 300 represents the base station according to embodiment of the present invention.This base station 300 comprises the dispatching control device of reference number 310 expression and the dispensing device 320 of reference number 320 expression.
Base station 300 uses radio resource control signaling to send the physical downlink control channel parameter strengthened to this subscriber equipment by dispensing device 320.In one implementation, base station 300 dispatching control device 310 can know special user equipment can support strengthen PDCCH time dispensing device 320 is strengthened to user device configuration by RRC signaling physical downlink control channel parameter.Base station 300 can use the RRC in current RRC signaling to connect and reconfigure message sends the physical downlink control channel strengthened to UE parameter by dispensing device 320.In one implementation, the physical downlink control channel parameter of this enhancing at least comprises: the sub-band information of the physical downlink control channel of enhancing.Alternatively, the physical downlink control channel parameter of this enhancing can also comprise following at least one item: the physical downlink control channel format information of enhancing; And the physical downlink control channel radio network temporary identifier (RNTI) for strengthening.Wherein, whether the RNTI resource that may be used for that UE is identified and distribute is the physical downlink control channel resource of the enhancing distributing to oneself.
Dispatching control device 310 can need to determine whether by predetermined standard the PDCCH that needs strengthen for the UE activation strengthened according to system.Determine to use to subscriber equipment the physical downlink control channel strengthened in response to dispatching control device 310, then activated the physical downlink control channel strengthened by dispensing device 320 with the first independent order to this notification of user equipment.Here, term " activation " represents that the UE of enhancing will be dispatched in base station with the PDCCH strengthened, and this UE detects one's own physical down link control signal by the PDCCH strengthened.According to one embodiment of the present invention, the first independent order can be controlled (MAC) control unit (CE) and realize by media interviews.According to another execution mode of the present invention, the first independent order can be realized by existing PDCCH.
Can deexcitation in several ways strengthen PDCCH.
According to one embodiment of the present invention, dispatching control device 310 can determine whether to need the physical downlink control channel for subscriber equipment deexcitation enhancing by predetermined standard.The physical downlink control channel that this subscriber equipment deexcitation strengthens is notified with the second independent order.Determine no longer to use to this subscriber equipment the physical downlink control channel strengthened in response to dispatching control device 310, notify with the second independent order the physical downlink control channel that this subscriber equipment deexcitation strengthens by dispensing device 320.According to one embodiment of the present invention, the second independent order can be controlled (MAC) control unit (CE) and realize by media interviews.According to one embodiment of the present invention, the second independent order can be realized by the PDCCH strengthened.
According to another execution mode of the present invention, dispatching control device 310 can specify the activationary time section of one section of predetermined timed length for the PDCCH strengthened.The UE then automatic PDCCH that strengthens of deexcitation after activating the PDCCH strengthened and exceeding the activationary time section of predetermined timed length.By dispensing device 310 when sending by RRC signaling the physical downlink control channel parameter strengthened, send the timed length of the packet data inactivity timer of the physical downlink control channel strengthened to the UE strengthened simultaneously.
Fig. 4 schematically shows the structured flowchart of the travelling carriage according to embodiment of the present invention.
As shown in Figure 4, reference number 400 represents the subscriber equipment according to embodiment of the present invention.This subscriber equipment 400 comprises the receiving system of reference number 410 expression, the storage device of reference number 420 expression, and the PDCCH control device 430 that reference number 430 represents.
The receiving system 410 of subscriber equipment 400 receives the physical downlink control channel parameter of the enhancing using radio resource control signaling configuration from base station.Such as, receiving system 410 connects the physical downlink control channel parameter reconfiguring message sink and strengthen by RRC.In one implementation, the physical downlink control channel parameter of this enhancing at least comprises: the sub-band information of the physical downlink control channel of enhancing.Alternatively, the physical downlink control channel parameter of this enhancing can also comprise following at least one item: the physical downlink control channel format information of enhancing; And the physical downlink control channel radio network temporary identifier (RNTI) for strengthening.Wherein, whether the RNTI resource that may be used for that UE is identified and distribute is the physical downlink control channel resource of the enhancing distributing to oneself.
The physical downlink control channel parameter of the enhancing of reception is stored in the storage device 420 of subscriber equipment 400.
Receiving system 410 also receives from base station for first of the physical downlink control channel that activates enhancing the independent order.In response to receiving for first of the physical downlink control channel that activates enhancing the independent order by receiving system 410 from base station, PDCCH control device 430, based on the physical downlink control channel parameter of the enhancing stored in storage device 420, controls to start to monitor the physical downlink control channel strengthened.According to one embodiment of the present invention, the first independent order can be controlled (MAC) control unit (CE) and realize by media interviews.According to another execution mode of the present invention, the first independent order can be realized by existing PDCCH.
According to one embodiment of the present invention, the receiving system 410 of subscriber equipment 400 receives the second independent order of the physical downlink control channel strengthened for deexcitation from base station.In response to the to be received the physical downlink control channel strengthened for deexcitation from base station by receiving system 410 second independent order, PDCCH control device 430 controls the physical downlink control channel stopping monitoring strengthening.Wherein, the second independent order is that base station controls control unit notice by media interviews in one embodiment.Second independent order is the physical downlink control channel notice that base station is passed through to strengthen in another embodiment.
According to another execution mode of the present invention, the receiving system 410 of subscriber equipment 400 receives the timed length also being comprised the packet data inactivity timer receiving the physical downlink control channel strengthened by the physical downlink control channel parameter of the enhancing of RRC signal deployment.The PDCCH control device 430 of subscriber equipment 400 maintains packet data inactivity timer, this packet data inactivity timer is set to the timed length of the packet data inactivity timer with reception.Once control to start to monitor the PDCCH strengthened in response to receiving the first independent order PDCCH control device 430, then PDCCH control device 430 starts packet data inactivity timer.Expired in response to this packet data inactivity timer, PDCCH control device 430 controls the physical downlink control channel stopping monitoring strengthening.If be configured with the physical downlink control channel radio network temporary identifier (RNTI) for strengthening, then the PDDCH control device 439 of subscriber equipment 400 is according to the one's own physical down link control signal of this radio network temporary identifier identification.
Should be appreciated that, illustrate only the module/unit be closely related with technical scheme of the present invention in Fig. 3 and 4, wireless access point device and subscriber equipment also comprise can realize its functional required any functional module/unit separately.These functional module/unit are known for a person skilled in the art, omit the description to it here.
Embodiments of the present invention can realize in the combination of software, hardware, applied logic or software, hardware and applied logic.In the exemplary embodiment, applied logic, software or instruction set maintain in any one of various conventional computer computer-readable recording medium.In the context of this article, " computer-readable medium " can be can comprise, store, transmit, propagate or transmit for the instruction execution system of such as computer and so on, device or equipment use or with any medium of the instruction of the instruction execution system of such as computer and so on, device or device-dependent or device.Computer-readable medium can comprise computer-readable recording medium, this computer-readable recording medium can be can comprise or store for the instruction execution system of such as computer and so on, device or equipment use or with any medium of the instruction of the instruction execution system of such as computer and so on, device or device-dependent or device.
If desired, difference in functionality discussed here can perform and/or parallel execution according to different order.In addition, if desired, the one or more functions in above-mentioned functions can be optional or can combine.
Although illustrate various aspects of the present invention in the independent claim, but other side of the present invention comprises from described execution mode and/or other combination of feature of dependent claims with independent claims feature, and not only comprises the combination of clearly illustrating in claim.
Although should also be noted that here and described above is illustrative embodiments of the present invention, these descriptions should be not in limiting sense.On the contrary, various changes and modifications can be carried out when not departing from the scope of the present invention that appended claims limits.
Claims (43)
1., for dispatching a method for the physical downlink control channel of enhancing, comprising:
Use the physical downlink control channel parameter that radio resource control signaling strengthens to user device configuration;
In response to determining, the physical downlink control channel strengthened is used to subscriber equipment, activate the physical downlink control channel strengthened to this notification of user equipment with the first independent order, wherein said first independent order is separated with the described radio resource control signaling configuring the physical downlink control channel parameter strengthened.
2. method according to claim 1, also comprises: no longer using to this subscriber equipment the physical downlink control channel strengthened in response to determining, notifying with the second independent order the physical downlink control channel that this subscriber equipment deexcitation strengthens.
3. method according to claim 1, wherein: the physical downlink control channel parameter of described enhancing comprises: the physical downlink control channel sub-band information of enhancing.
4. method according to claim 3, wherein: the physical downlink control channel parameter of described enhancing also comprises: the timed length of the packet data inactivity timer of the physical downlink control channel of enhancing, wherein subscriber equipment utilizes this packet data inactivity timer to determine when the physical downlink control channel that deexcitation strengthens.
5. method according to claim 3, wherein: the physical downlink control channel parameter of described enhancing also comprises following at least one item: the physical downlink control channel format information of enhancing; And the physical downlink control channel radio network temporary identifier for strengthening.
6. method according to claim 1, wherein controls control unit by media interviews and notifies described first independent order.
7. method according to claim 1, wherein notifies described first independent order by existing physical downlink control channel.
8. method according to claim 2, wherein controls control unit by media interviews and notifies described second independent order.
9. method according to claim 2, the physical downlink control channel wherein by strengthening notifies described second independent order.
10. method according to claim 1, wherein said radio resource control signaling comprises RRC connection and reconfigures message.
11. 1 kinds, for dispatching the device of the physical downlink control channel of enhancing, comprising:
The device of the physical downlink control channel parameter strengthened to user device configuration for using radio resource control signaling; And
For using to subscriber equipment the physical downlink control channel strengthened in response to determining, activate the device of the physical downlink control channel strengthened to this notification of user equipment with the first independent order, wherein said first independent order is separated with the described radio resource control signaling configuring the physical downlink control channel parameter strengthened.
12. devices according to claim 11, also comprise: for no longer using to this subscriber equipment the physical downlink control channel strengthened in response to determining, notify the device of the physical downlink control channel that this subscriber equipment deexcitation strengthens with the second independent order.
13. devices according to claim 11, wherein: the physical downlink control channel parameter of described enhancing comprises: the physical downlink control channel sub-band information of enhancing.
14. devices according to claim 13, wherein: the physical downlink control channel parameter of described enhancing also comprises: the timed length of the packet data inactivity timer of the physical downlink control channel of enhancing, wherein subscriber equipment utilizes this packet data inactivity timer to determine when the physical downlink control channel that deexcitation strengthens.
15. devices according to claim 13, wherein: the physical downlink control channel parameter of described enhancing also comprises following at least one item: the physical downlink control channel format information of enhancing, for the physical downlink control channel radio network temporary identifier strengthened.
16. devices according to claim 11, wherein control control unit by media interviews and notify described first independent order.
17. devices according to claim 11, wherein notify described first independent order by existing physical downlink control channel.
18. devices according to claim 12, wherein control control unit by media interviews and notify described second independent order.
19. devices according to claim 12, the physical downlink control channel wherein by strengthening notifies described second independent order.
20. devices according to claim 11, wherein said radio resource control signaling comprises RRC connection and reconfigures message.
21. 1 kinds of base station equipments, comprise the device of the arbitrary described physical downlink control channel for dispatching enhancing according to claim 11-20.
22. 1 kinds, for dispatching the method for the physical downlink control channel of enhancing, comprising:
The physical downlink control channel parameter of the enhancing using radio resource control signaling configuration is received from base station;
Store the physical downlink control channel parameter of the enhancing received;
In response to first of the physical downlink control channel received from base station for activating enhancing the independent order, based on the physical downlink control channel parameter of the enhancing stored, start to monitor the physical downlink control channel strengthened, wherein said first independent order is separated with the described radio resource control signaling configuring the physical downlink control channel parameter strengthened.
23. methods according to claim 22, also comprise: in response to the receive the physical downlink control channel strengthened for deexcitation from base station second independent order, stop the physical downlink control channel that monitoring strengthens.
24. methods according to claim 22, wherein: the physical downlink control channel parameter of described enhancing comprises: the physical downlink control channel sub-band information of enhancing.
25. methods according to claim 24, wherein: the physical downlink control channel parameter of described enhancing also comprises: the timed length of the packet data inactivity timer of the physical downlink control channel of enhancing,
Wherein said method also comprises:
In response to first of the physical downlink control channel received from base station for activating enhancing the independent order, start this packet data inactivity timer;
Expired in response to this packet data inactivity timer, stop the physical downlink control channel that monitoring strengthens.
26. methods according to claim 24, wherein: the physical downlink control channel parameter of described enhancing also comprises following at least one item: the physical downlink control channel format information of enhancing, for the physical downlink control channel radio network temporary identifier strengthened.
27. methods according to claim 22, wherein said first independent order controls control unit notice by media interviews.
28. methods according to claim 22, wherein said first independent order is notified by existing physical downlink control channel.
29. methods according to claim 23, wherein said second independent order controls control unit notice by media interviews.
30. methods according to claim 23, the physical downlink control channel notice of wherein said second independent order by strengthening.
31. methods according to claim 22, wherein said radio resource control signaling comprises RRC connection and reconfigures message.
32. 1 kinds, for dispatching the device of the physical downlink control channel of enhancing, comprising:
For receiving the device of the physical downlink control channel parameter of the enhancing using radio resource control signaling configuration from base station;
For storing the device of the physical downlink control channel parameter of the enhancing of reception;
For the order that first in response to the physical downlink control channel received from base station for activating enhancing is independent, based on the physical downlink control channel parameter of the enhancing stored, start to monitor the device of physical downlink control channel strengthened, wherein said first independent order is separated with the described radio resource control signaling configuring the physical downlink control channel parameter strengthened.
33. devices according to claim 32, also comprise: in response to the receive the physical downlink control channel strengthened for deexcitation from base station second independent order, stop the device of the physical downlink control channel of monitoring enhancing.
34. devices according to claim 32, wherein: the physical downlink control channel parameter of described enhancing comprises: the physical downlink control channel sub-band information of enhancing.
35. devices according to claim 34, wherein: the physical downlink control channel parameter of described enhancing also comprises: the timed length of the packet data inactivity timer of the physical downlink control channel of enhancing,
Wherein said device also comprises:
For the order that first in response to the physical downlink control channel received from base station for activating enhancing is independent, start the device of this packet data inactivity timer;
For expired in response to this packet data inactivity timer, the device of the physical downlink control channel stopping monitoring strengthening.
36. devices according to claim 34, wherein: the physical downlink control channel parameter of described enhancing also comprises following at least one item: the physical downlink control channel format information of enhancing, for the physical downlink control channel radio network temporary identifier strengthened.
37. devices according to claim 32, wherein said first independent order controls control unit notice by media interviews.
38. devices according to claim 32, wherein said first independent order is notified by existing physical downlink control channel.
39. devices according to claim 33, wherein said second independent order controls control unit notice by media interviews.
40. devices according to claim 33, the physical downlink control channel notice of wherein said second independent order by strengthening.
41. devices according to claim 32, wherein said radio resource control signaling comprises RRC connection and reconfigures message.
42. 1 kinds of subscriber equipmenies, comprise the device of the arbitrary described physical downlink control channel for dispatching enhancing according to claim 32-41.
43. 1 kinds of wireless communication systems, comprise base station according to claim 21 and subscriber equipment according to claim 42.
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| CN101909333A (en) * | 2009-06-05 | 2010-12-08 | 大唐移动通信设备有限公司 | Method, equipment and method for transmitting PDCCH schedule |
| CN102149208A (en) * | 2010-02-05 | 2011-08-10 | 华为技术有限公司 | Method for processing carrier activation related information, base station and UE (User Equipment) |
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| CN101909333A (en) * | 2009-06-05 | 2010-12-08 | 大唐移动通信设备有限公司 | Method, equipment and method for transmitting PDCCH schedule |
| CN102149208A (en) * | 2010-02-05 | 2011-08-10 | 华为技术有限公司 | Method for processing carrier activation related information, base station and UE (User Equipment) |
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