CN102118768A - Method for controlling carrier communication state in carrier aggregation system and device - Google Patents
Method for controlling carrier communication state in carrier aggregation system and device Download PDFInfo
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- CN102118768A CN102118768A CN2010100336635A CN201010033663A CN102118768A CN 102118768 A CN102118768 A CN 102118768A CN 2010100336635 A CN2010100336635 A CN 2010100336635A CN 201010033663 A CN201010033663 A CN 201010033663A CN 102118768 A CN102118768 A CN 102118768A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a method for controlling carrier communication state in a carrier aggregation system and a device. The main technical scheme is as follows: a discontinuous reception (DRX) cycle is configured by a UE (user equipment) monitoring base station of a user terminal; the DRX cycle comprises a working subcycle and a sleep subcycle; when the start time corresponding to the sleep subcycle of the DRX cycle is monitored to be reached, the setting carrier in carriers positioned in a communication state at present is controlled to enter a non-communication state; and according to the technical scheme, the UE can control the communication state of the carriers according to the DRX cycle, and control the communication state of the carriers without needing signaling interaction between the base station and the UE, so that the control on the communication state of the carriers is realized under the premise without occupying air-interface resources.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to the method and the device of control carrier communication state in a kind of carrier aggregation system.
Background technology
Third generation partner program (3rd Generation Partnership Project, 3GPP) at its mobile cellular communication (Long Term Evolution-Advanced of system of future generation, LTE-Advanced) in order to obtain the system bandwidth wideer, introduced carrier aggregation (carrier aggregation) technology in than LTE.The basic principle of carrier aggregation is by work that two or more main carrier are condensed together, thereby satisfies higher bandwidth demand.Introduce after the carrier aggregation technology, the work carrier number in sub-district becomes a plurality of by one, formed the multi-carrier communication scene.
In carrier aggregation system, UE (User Equipment, subscriber equipment) at RRC (the Radio Resource Control of foundation with network side, Radio Resource control) after the connection, being connected the enterprising line data of a plurality of carrier waves based on the RRC that sets up receives, for example, intercept PDCCH (Physical Downlink ControlChannel, Physical Downlink Control Channel) or PDSCH (Physical Downlink Shared Channel, the downlink physical shared channel), when UE is in data receiving state, claim this UE to be operated in the carrier aggregation state, the carrier wave that is used to carry the data that the user receives is called the work carrier wave.
In the practical application, UE can send variation for the demand of message transmission rate, for example, when UE is in non-accepting state, very low for the message transmission rate requirement, in the case, UE also takies a plurality of work carrier waves and the base station communicates the waste that can cause unlimited resources.Therefore, the UE that is in the carrier aggregation operating state need reduce the work carrier wave that is in communications status.At present, control carrier communication state mainly realizes that by the rrc layer dedicated control signaling idiographic flow comprises the steps: as shown in Figure 1
Step 101, base station are determined need reduce the work carrier wave that is in communications status at this UE according to factors such as UE service speed demand or channel qualities;
Step 102, base station send RRC connection re-establishment order to UE, and comprise that in this RRC connection re-establishment order this UE need control the work carrier wave corresponding identification information that is in non-communications status;
The RRC that step 103, UE send according to the base station reconnects and sets up the carrier identification information that comprises in the order, stops on the carrier wave of this carrier identification information correspondence to communicate with the base station;
Step 104, UE feedback RRC connection are reshuffled and are finished message to the base station, inform that the control carrier wave is in non-communications status success.
By said process, UE can control the communications status of carrier wave under the indication of base station, but carries out Signalling exchange between this process need base station and the UE, promptly needs certain interface-free resources expense.
Summary of the invention
In view of this, the embodiment of the invention provides the method and the device of control carrier communication state in a kind of carrier aggregation system, is used to solve the problem that causes the interface-free resources expense based on the communications status of prior art control carrier wave.
The embodiment of the invention is achieved through the following technical solutions:
According to an aspect of the embodiment of the invention, provide the method for control carrier communication state in a kind of carrier aggregation system.
The method of control carrier communication state in the carrier aggregation system that provides according to the embodiment of the invention comprises:
The discontinuous reception DRX period of user terminal UE monitored base stations for self disposing;
When initial moment of the paulospore cycle correspondence that monitors described DRX cycle arrived, the setting carrier wave of controlling in the current carrier wave that is in communications status entered non-communications status.
According to another aspect of the embodiment of the invention, also provide the device of control carrier communication state in a kind of carrier aggregation system.
The device of control carrier communication state in the carrier aggregation system that provides according to the embodiment of the invention comprises:
Monitoring unit is used for the discontinuous reception DRX period of monitored base stations for user terminal UE configuration;
Control unit is used for when initial moment that described monitoring unit monitors the paulospore cycle correspondence of described DRX cycle arrives, and the setting carrier wave of controlling in the current carrier wave that is in communications status enters non-communications status.
Above-mentioned at least one technical scheme that provides by the embodiment of the invention, the DRX cycle of UE monitored base stations for self disposing, this DRX cycle comprises work subcycle and paulospore cycle, and when the initial moment of the paulospore cycle correspondence that monitors DRX cycle arrives, the setting carrier wave of controlling in the current carrier wave that is in communications status enters non-communications status, according to this technical scheme, UE can control the communications status of carrier wave according to DRX cycle, need not communications status, thereby under the prerequisite of vacant interface-free resources, realized control the carrier communication state by the Signalling exchange control carrier wave that carries out between base station and the UE.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with the embodiment of the invention one, is not construed as limiting the invention.In the accompanying drawings:
The flow chart of the control carrier communication state that Fig. 1 provides for background technology of the present invention;
The DRX cycle schematic diagram that Fig. 2 provides for the embodiment of the invention;
The method flow diagram of control carrier communication state in the carrier aggregation system that Fig. 3 provides for the embodiment of the invention;
The device schematic diagram one of control carrier communication state in the carrier aggregation system that Fig. 4 provides for the embodiment of the invention;
The device schematic diagram two of control carrier communication state in the carrier aggregation system that Fig. 5 provides for the embodiment of the invention.
Embodiment
In order to be given in the implementation of control carrier communication state under the situation that need not to take interface-free resources, the embodiment of the invention provides the method and the device of control carrier communication state in a kind of carrier aggregation system, below in conjunction with Figure of description the preferred embodiments of the present invention are described, be to be understood that, preferred embodiment described herein only is used for description and interpretation the present invention, and is not used in qualification the present invention.And under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
According to the embodiment of the invention, the method for control carrier communication state in a kind of carrier aggregation system at first is provided, realize the control of carrier communication state based on DRX (Discontinuous Reception, the discontinuous reception) cycle of base station configuration.
In carrier aggregation system, the DRX function allows UE to close receiver under certain conditions, and (for example, the state of PDCCH) intercepting, thereby the power consumption of reduction UE reach the purpose of saving the UE electric weight to each carrier wave respective channels and needn't be in always.DRX is based on certain DRX cycle work, as shown in Figure 2, and as seen from Figure 2:
DRX cycle comprises two subcycles, subcycle of promptly working (On Duration) and paulospore cycle (Opportunity for DRX); Wherein, the long measure of On Duration subcycle and Opportunity for DRX subcycle is subframe, and:
In On Duration subcycle, UE must continue to intercept the PDCCH of each carrier wave correspondence, to obtain the resource allocation indication of the up-downgoing transmission that respectively comprises the PDCCH subframe, frequency resource when determining that according to the resource allocation of each subframe indication base station assigns is given oneself up-downgoing, and in the enterprising line data processing of the running time-frequency resource that is distributed etc.;
In Opportunity for DRX subcycle, UE does not need to continue to intercept the PDCCH of each carrier wave correspondence.
In the practical application, the control carrier wave enters the reduction that non-communications status generally requires transmitted data rates based on UE self by communications status, therefore, the embodiment of the invention makes UE control carrier communication state need not the network side base station and participates in conjunction with the above-mentioned feature of DRX cycle.
The method of control carrier communication state as shown in Figure 3, comprises the steps: in the carrier aggregation system that the embodiment of the invention provides
In this step, DRX cycle comprise work subcycle and paulospore cycle as shown in Figure 2, the operation principle of each subcycle is described in the above-described embodiments.
When the DRX parameter configuration is carried out in the base station, not only be these UE configuration various work periods of DRX, but also comprise when beginning DRX that promptly the user enters the initial moment of each subcycle of DRX; In this step, UE is based on the DRX state of initial moment monitoring self correspondence that enters each subcycle of DRX of base station configuration.Generally speaking, what the user at first entered is DRX work subcycle, when work subcycle end and user do not receive the demand of data, then enters the DRX paulospore cycle.
Setting carrier wave in step 304, the current carrier wave that is in communications status of control enters non-communications status.
By above-mentioned flow process, promptly can finish control by UE self to the carrier wave operating state.
In the above-mentioned steps 304, set carrier wave definite mode can for:
Only set the number that will change the carrier wave of non-communications status over to, from the current carrier wave that is in communications status, selected to meet carrier wave that number requires arbitrarily as setting carrier wave from communications status; Or,
According to the precedence information of each allocation of carriers that is in communications status, determine that priority is lower than at least one carrier wave of setting requirement and is the setting carrier wave.
Based on the needs of determining to set carrier wave according to carrier wave priority, a plurality of carrier waves that the embodiment of the invention takies at UE in advance (promptly being in a plurality of carrier waves of communications status) are provided with corresponding priorities separately, in the practical application, the priority that each carrier wave is set can be finished by the base station, and be connected based on the RRC that sets up between base station and the UE, notify UE by the base station by the mode of reconfigure command, comprise the priority of a plurality of allocation of carriers that the base station takies for this UE in this reconfigure command; Perhaps, the priority that each carrier wave is set can be finished by UE self.
In the preferred embodiment of the present invention, the mode that a plurality of carrier waves that take for UE are provided with priority includes but not limited to any one in the following mode:
At priority of each allocation of carriers;
At priority of a plurality of allocation of carriers, i.e. corresponding a plurality of carrier waves of priority,
Select one or more distribution high priorities from a plurality of carrier waves, other carrier wave is defaulted as the lower normal priority of priority.
Each carrier wave corresponding priorities is flexible allocation according to actual needs, enumerates no longer one by one herein.
In the preferred embodiment of the present invention, can be in the higher priority of allocation of carriers of preferable operating state for little carrier wave of the carrier wave of bearing important function or load etc., for example, can set up the descending carrier assigned highest priority of using when RRC connects for UE, other carrier wave is defaulted as normal priority, or each carrier wave that is assigned with normal priority is further distributed priority according to information such as actual effect of bearing of each carrier wave or channel statuss; Again for example, can be used for determining the allocation of carriers limit priority of security mechanism and NAS mobile management for the user, other carrier wave is defaulted as normal priority.
In the preferred embodiment of the present invention, in the above-mentioned steps 304, the setting carrier wave of controlling in the current carrier wave that is in communications status enters non-communications status, specifically comprises:
Stop on definite setting carrier wave and intercept PDCCH or/and PDSCH.
Further, the setting carrier wave of controlling in the current carrier wave that is in communications status enters non-communications status, can also comprise: stop to detect definite setting carrier wave corresponding channel quality.
According to the embodiment of the invention, according to being confirmed as setting the effect difference that carrier wave (promptly controlling the carrier wave that enters non-communications status from communications status) is born, concrete control mode is also different, for example, control enters the carrier wave of non-communications status from communications status, can also comprise the system information that stops to intercept on definite setting carrier wave and renewal etc.
In the preferred embodiment of the present invention, before carrying out above-mentioned steps 304, before promptly the setting carrier wave in the current carrier wave that is in communications status of control enters non-communications status, can also further carry out following steps:
Whether the paulospore cycle of determining current DRX cycle is long period, promptly whether the duration in the paulospore cycle of definite this DRX cycle is greater than setting threshold, in definite result when being, execution in step 304, otherwise finish, up to monitoring the base station when having distributed new DRX cycle for this UE, continue this DRX cycle to be monitored according to above-mentioned flow process, and based on the communications status of this DRX control carrier wave.
In the preferred embodiment of the present invention, after the setting carrier wave in the current carrier wave that is in communications status by step 304 control enters non-communications status,, then also further carry out following steps if DRX cycle does not upgrade (being that the base station is to distribute new DRX cycle to give this UE):
Continue the monitoring DRX cycle, when the initial moment of the work subcycle correspondence that monitors DRX cycle arrives, control the current carrier wave that is in non-communications status and enter communications status;
Or when receiving the indication of the reinsertion of carrier communications status that the base station sends, control the current carrier wave that is in non-communications status and enter communications status.
Corresponding with above-mentioned flow process, the embodiment of the invention also provides the device of control carrier communication state in a kind of carrier aggregation system, as shown in Figure 4, comprising:
In the preferred embodiment of the present invention, above-mentioned control unit 402 also is used for:
Before setting carrier wave in the current carrier wave that is in communications status of control entered non-communications status, the duration value in paulospore cycle of determining this DRX cycle was greater than setting threshold.
In the preferred embodiment of the present invention, as shown in Figure 5, above-mentioned control unit 402 can further include:
Set carrier wave determination module 402A and control module 402B; Wherein,
Set carrier wave determination module 402A, be used for when initial moment that monitoring unit 401 monitors the paulospore cycle correspondence of DRX cycle arrives, according to each the carrier wave corresponding priorities information that is in communications status, determine that it is described setting carrier wave that priority is lower than at least one carrier wave of setting requirement; Wherein, each carrier wave corresponding priorities information determined by UE self, or by determining and by the radio resource control RRC transmitting signaling downwards base station; Or from current each carrier wave that is in communications status, determine set number carrier wave as described setting carrier wave;
In the preferred embodiment of the present invention, above-mentioned control unit 402 specifically is used for:
When initial moment that monitoring unit 401 monitors the paulospore cycle correspondence of DRX cycle arrives, stop at and intercept physical downlink control channel PDCCH on definite setting carrier wave or/and downlink physical shared channel PDSCH.
In the preferred embodiment of the present invention, above-mentioned control unit 402 specifically is used for:
When initial moment that monitoring unit 401 monitors the paulospore cycle correspondence of DRX cycle arrives, stop at and intercept physical downlink control channel PDCCH on definite setting carrier wave or/and downlink physical shared channel PDSCH; And
Stop to detect definite setting carrier wave corresponding channel quality or/and stop to intercept system information on definite setting carrier wave.
In the preferred embodiment of the present invention, above-mentioned control unit 402 also is used for:
When initial moment that monitoring unit 401 monitors the work subcycle correspondence of DRX cycle arrives, control the current carrier wave that is in non-communications status and enter communications status; Or
When receiving the indication of the reinsertion of carrier communications status that the base station sends, control the current carrier wave that is in non-communications status and enter communications status.
Should be appreciated that in the above carrier aggregation system only the logical partitioning of unit that the device of control carrier communication state comprises, in the practical application, can carry out the stack or the fractionation of said units for carrying out according to the function of this device realization.And the method flow of controlling the carrier communication state in the function that the device of control carrier communication state is realized in the carrier aggregation system that this embodiment provides and the carrier aggregation system that the foregoing description provides is corresponding one by one, the more detailed handling process that realizes for this device, in said method embodiment, done detailed description, be not described in detail herein.
Above-mentioned at least one technical scheme that provides by the embodiment of the invention, the DRX cycle of UE monitored base stations for self disposing, this DRX cycle comprises work subcycle and paulospore cycle, and when the initial moment of the paulospore cycle correspondence that monitors DRX cycle arrives, the setting carrier wave of controlling in the current carrier wave that is in communications status enters non-communications status, according to this technical scheme, UE can control the communications status of carrier wave according to DRX cycle, need not communications status, thereby under the prerequisite of vacant interface-free resources, realized control the carrier communication state by the Signalling exchange control carrier wave that carries out between base station and the UE.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (12)
1. the method for control carrier communication state in the carrier aggregation system is characterized in that, comprising:
The discontinuous reception DRX period of user terminal UE monitored base stations for self disposing;
When initial moment of the paulospore cycle correspondence that monitors described DRX cycle arrived, the setting carrier wave of controlling in the current carrier wave that is in communications status entered non-communications status.
2. the method for claim 1 is characterized in that, the setting carrier wave of controlling in the current carrier wave that is in communications status enters before the non-communications status, also comprises:
The duration value in paulospore cycle of determining described DRX cycle is greater than setting threshold.
3. the method for claim 1 is characterized in that, described setting carrier wave comprises:
Current each carrier wave medium priority that is in communications status is lower than sets at least one carrier wave that requires; Wherein, described each carrier wave corresponding priorities information determined by described UE self, or by determining and by the radio resource control RRC transmitting signaling downwards base station; Or
From the current carrier wave that is in the setting number of determining each carrier wave of communications status.
4. the method for claim 1 is characterized in that, the setting carrier wave of controlling in the current carrier wave that is in communications status enters non-communications status, comprising:
Stop at and intercept physical downlink control channel PDCCH on the described setting carrier wave or/and downlink physical shared channel PDSCH.
5. method as claimed in claim 4 is characterized in that, the setting carrier wave of controlling in the current carrier wave that is in communications status enters non-communications status, also comprises:
Stop to detect described setting carrier wave corresponding channel quality; Or/and,
Stop to intercept the system information on the described setting carrier wave.
6. the method for claim 1 is characterized in that, also comprises:
When the initial moment of the work subcycle correspondence that monitors described DRX cycle arrives, control the current carrier wave that is in non-communications status and enter communications status; Or
When receiving the indication of the reinsertion of carrier communications status that the base station sends, control the current carrier wave that is in non-communications status and enter communications status.
7. the device of control carrier communication state in the carrier aggregation system is characterized in that, comprising:
Monitoring unit is used for the discontinuous reception DRX period of monitored base stations for user terminal UE configuration;
Control unit is used for when initial moment that described monitoring unit monitors the paulospore cycle correspondence of described DRX cycle arrives, and the setting carrier wave of controlling in the current carrier wave that is in communications status enters non-communications status.
8. device as claimed in claim 7 is characterized in that, described control unit also is used for:
Before setting carrier wave in the current carrier wave that is in communications status of control entered non-communications status, the duration value in paulospore cycle of determining described DRX cycle was greater than setting threshold.
9. device as claimed in claim 7 is characterized in that, described control unit comprises:
Set the carrier wave determination module, be used for when initial moment that described monitoring unit monitors the paulospore cycle correspondence of described DRX cycle arrives, according to each the carrier wave corresponding priorities information that is in communications status, determine that it is described setting carrier wave that priority is lower than at least one carrier wave of setting requirement; Wherein, described each carrier wave corresponding priorities information determined by described UE self, or by determining and by the radio resource control RRC transmitting signaling downwards base station; Or from current each carrier wave that is in communications status, determine set number carrier wave as described setting carrier wave;
Control module is used to control the definite described setting carrier wave of described setting carrier wave determination module and enters non-communications status.
10. device as claimed in claim 7 is characterized in that, described control unit specifically is used for:
When initial moment that described monitoring unit monitors the paulospore cycle correspondence of described DRX cycle arrives, stop at and intercept physical downlink control channel PDCCH on the described setting carrier wave or/and downlink physical shared channel PDSCH.
11. device as claimed in claim 7 is characterized in that, described control unit specifically is used for:
When initial moment that described monitoring unit monitors the paulospore cycle correspondence of described DRX cycle arrives, stop at and intercept physical downlink control channel PDCCH on the described setting carrier wave or/and downlink physical shared channel PDSCH; And
Stop to detect described setting carrier wave corresponding channel quality or/and stop to intercept system information on the described setting carrier wave.
12. device as claimed in claim 7 is characterized in that, described control unit also is used for:
When initial moment that described monitoring unit monitors the work subcycle correspondence of described DRX cycle arrives, control the current carrier wave that is in non-communications status and enter communications status; Or
When receiving the indication of the reinsertion of carrier communications status that the base station sends, control the current carrier wave that is in non-communications status and enter communications status.
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| CN106160963A (en) * | 2015-03-24 | 2016-11-23 | 中国移动通信集团公司 | A kind of network function collocation method and terminal, base station |
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| CN106160963A (en) * | 2015-03-24 | 2016-11-23 | 中国移动通信集团公司 | A kind of network function collocation method and terminal, base station |
| CN106160963B (en) * | 2015-03-24 | 2020-04-21 | 中国移动通信集团公司 | Network function configuration method, terminal and base station |
| CN106413119A (en) * | 2015-07-31 | 2017-02-15 | 北京信威通信技术股份有限公司 | UE uplink specialized resource control method |
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| WO2019029682A1 (en) * | 2017-08-11 | 2019-02-14 | Fg Innovation Ip Company Limited | Devices and methods for discontinuous reception in new radio |
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| CN111294866A (en) * | 2017-10-25 | 2020-06-16 | Oppo广东移动通信有限公司 | Method for determining data transmission mode, network device and computer storage medium |
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Application publication date: 20110706 |