CN102752872B - Composition carrier activation and deactivation method in carrier polymerization system, system and base station - Google Patents
Composition carrier activation and deactivation method in carrier polymerization system, system and base station Download PDFInfo
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- CN102752872B CN102752872B CN201210162215.4A CN201210162215A CN102752872B CN 102752872 B CN102752872 B CN 102752872B CN 201210162215 A CN201210162215 A CN 201210162215A CN 102752872 B CN102752872 B CN 102752872B
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- activation
- deactivation
- information
- master control
- state confirmation
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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 composition carrier activation and deactivation method in carrier polymerization system, a system and a base station. The method includes that the base station BS selects main control CC in all composition carriers CC occupied by a user terminal (UE) and codes the surplus CCs. The BS sends activation/ deactivation information to the UE through the main control CC according to the preset confirmation mode and conducts state confirmation of the activation/ deactivation information with the UE. The BS sets the largest sending times of the activation/ deactivation information after state confirmation succeeds and executes the following judgment operation. The BS judges whether actual sending times achieve the largest sending times, sets the main control CC as the deactivation state and distributes resources for the UE again on yes judgment, and the UE sets corresponding CC as the activation state or the deactivation state according to the received activation/ deactivation state of the UE. The method greatly reduces power consumption for UE monitoring and improves information transmission efficiency.
Description
Technical field
The present invention relates to communication technical field, particularly relate to component carrier in a kind of carrier aggregation system and activate and anti-activating method, system and base station.
Background technology
In follow-on broadband wireless communication network, the key factor supporting larger bandwidth to become under solving in cordless communication network the bandwidth how in current wireless communication system to improve inter-cell user terminal throughput and user terminal average throughput is also faced with formidable challenges.
At present, at the LTE(Long Term Evolution of third generation partner program, long-term technology evolution) in all propose to adopt the mode of carrier aggregation to come effectively in current wireless communication system, to support larger bandwidth, to meet the demand to the index such as throughput, peak rate in new generation of wireless standard.Carrier aggregation supports the key technology of more large bandwidth in future broadband wireless communication systems, by being polymerized different carrier waves, forms the carrier wave of more large bandwidth, bandwidth after polymerisation supported the UE(User Equipment with stronger ability, user side).
In carrier aggregation system, the up link composition CC(component carrier used along with user side) and the increase of down link CC quantity, UE will make power consumption increase considerably to the monitoring of a large amount of control channel and measurement.Simultaneously, along with BS(Base Station, base station) and UE in need the increase of the event of activation/deactivation CC because of different control processes, make the Signalling exchange of activation/deactivation between BS and UE leads to errors, and then cause the erroneous activation/deexcitation of CC, make the resource serious waste on control channel, and the performance of UE is seriously reduced.
Summary of the invention
In view of above-mentioned analysis, the present invention aims to provide component carrier in a kind of carrier aggregation system and activates and anti-activating method, system and base station, in order to solve the monitoring of a large amount of control channel in carrier aggregation system and to measure the problem that the Signalling exchange of activation/deactivation event a large amount of between the problem making power consumption increase considerably and BS and UE brought leads to errors.
Object of the present invention is mainly achieved through the following technical solutions:
The invention provides component carrier in a kind of carrier aggregation system and activate the method with deexcitation, comprising:
Selected master control CC in all component carrier CC that base station BS takies at user terminal UE, and remaining CC is encoded;
BS, according to predetermined validation testing, sends activation/deactivation information to UE by master control CC, carries out the state confirmation of activation/deactivation information with UE;
After state confirmation success, BS arranges the maximum number of times of transmission of activation/deactivation information, and execution judges operation as follows:
When judging whether actual transmission times reaches maximum number of times of transmission, if so, it is deactivation status that BS arranges master control CC, and is UE Resources allocation again; If not, UE, according to the activation/deactivation information received, is being state of activation or deactivation status according to the corresponding CC of encoding setting.
Further, also comprise:
The CC activated receives control channel information, and by the control channel information feed back that receives to BS.
Further, the step of selected master control CC specifically comprises:
The quantity of CC that base station BS statistics UE takies and the number of times of each CC activation/deactivation;
In the CC that UE takies, choose activation/deactivation least number of times and the best CC of channel status as master control CC.
Further, the step of carrying out activation/deactivation validation of information specifically comprises:
Within the feedback on reservation cycle, BS compares according to the activation/deactivation information of the feedback information of UE loopback and transmission, if unanimously, then and state confirmation success; If inconsistent, then state confirmation failure.
Further, if state confirmation failure, also comprise:
BS resets validation testing, and arranges the maximum number of times of transmission of activation/deactivation information, sends activation/deactivation information according to new validation testing, and performs above-mentioned judgement operation after state confirmation success.
Present invention also offers component carrier in a kind of carrier aggregation system and activate the system with deexcitation, comprising: base station BS and user terminal UE, wherein, BS specifically comprises: selected cell, feedback acknowledgment unit and judging unit, wherein,
Selected cell, for master control CC selected in all component carrier CC of taking at user terminal UE, and encodes to remaining CC;
Feedback acknowledgment unit, for according to predetermined validation testing, sends activation/deactivation information to UE by master control CC, carries out the state confirmation of activation/deactivation information with UE, and trigger judging unit after state confirmation success;
Judging unit, for arranging the maximum number of times of transmission of activation/deactivation information, and execution judges operation as follows:
When judging whether actual transmission times reaches maximum number of times of transmission, if so, it is deactivation status that BS arranges master control CC, and is UE Resources allocation again; If not, trigger UE and receive activation/deactivation information;
UE, for according to the activation/deactivation information received, is being state of activation or deactivation status according to the corresponding CC of encoding setting.
Further, described UE also for, the CC activated receives control channel information, and by the control channel information feed back that receives to BS.
Present invention also offers a kind of base station, comprising:
Selected cell, for master control CC selected in all component carrier CC of taking at user terminal UE, and encodes to remaining CC;
Feedback acknowledgment unit, for according to predetermined validation testing, sends activation/deactivation information to UE by master control CC, carries out the state confirmation of activation/deactivation information with UE, and trigger judging unit after state confirmation success;
Judging unit, for arranging the maximum number of times of transmission of activation/deactivation information, and execution judges operation as follows:
When judging whether actual transmission times reaches maximum number of times of transmission, if so, it is deactivation status that BS arranges master control CC, and is UE Resources allocation again; If not, trigger UE and receive activation/deactivation information.
Further, described selected cell specifically for, the statistics quantity of CC that takies of UE and the number of times of each CC activation/deactivation; In the CC that UE takies, choose activation/deactivation least number of times and the best CC of channel status as master control CC.
Further, described feedback acknowledgment unit specifically for, within the feedback on reservation cycle, activation/deactivation information is sent to UE by master control CC, and compare according to the feedback information of UE loopback and the activation/deactivation information of transmission, if unanimously, then state confirmation success; If inconsistent, then reset validation testing, and send activation/deactivation information to UE by master control CC, again carry out the state confirmation of activation/deactivation information with UE.
Beneficial effect of the present invention is as follows:
The present invention considerably reduces power consumption when UE monitors, effectively prevent the CC resource utilization between BS and UE that the undetected survey, false-alarm etc. of UE to control channel information cause, the understanding mismatch of activation/deactivation state information caused low, and improve the efficiency of transmission of information.
Other features and advantages of the present invention will be set forth in the following description, and, becoming apparent from specification of part, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write specification, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of method described in the embodiment of the present invention;
Fig. 2 is the structural representation of system described in the embodiment of the present invention;
Fig. 3 is the structural representation of base station described in the embodiment of the present invention.
Embodiment
Specifically describe the preferred embodiments of the present invention below in conjunction with accompanying drawing, wherein, accompanying drawing forms the application's part, and together with embodiments of the present invention for explaining principle of the present invention.
First, described in 1 pair of embodiment of the present invention, method is described in detail by reference to the accompanying drawings.
As shown in Figure 1, Fig. 1 is the schematic flow sheet of method described in the embodiment of the present invention, specifically can comprise the steps:
Step 101:BS adds up quantity and the activation/deactivation access times of the component carrier that UE takies;
Step 102:UE feeds back the channel status of all CC to BS, and so-called channel status can comprise the information of the reflection channel confidence levels such as interference, path loss here;
It is minimum that step 103:BS chooses activation/deactivation access times, and the best CC of channel status is as the master control CC of UE;
Step 104:BS arranges and encodes to the state of other CC except master control CC, to indicate activation or the deactivation status of other CC;
Step 105:BS arranges the feedback cycle of activation/deactivation state, i.e. the feedback on reservation cycle;
Step 106:BS according to feedback on reservation validation testing, by ACK/NACK(confirmation/non-acknowledgement), fixed cycle feedback, the discontinuous transmission of DTX() etc. mode, UE confirms the acknowledgement state of activation/deactivation information;
Step 107:BS arrange master control CC activation/deactivation information multiplexing/radiation pattern, effective transmitting activation/deactivation information, wherein, activation/deactivation packets of information contains the state of master control CC and other CC, and for master control CC, it in use remains state of activation;
Step 108:UE receives the activation/deactivation information that BS sends, and feeds back to BS;
Step 109:BS receives the feedback information of UE, if the activation/deactivation Information and feedback information that BS sends is consistent, namely confirms successfully, forwards step 111 to, otherwise, forward step 110 to;
Step 110:BS resets validation testing;
Step 111:BS arranges activation/deactivation information transmitting counter, and arranges maximum number of times of transmission;
Step 112:BS resends activation/deactivation information according to the mode confirmed, and to transmitting counter counting, if counter exceedes maximum, forwards step 113 to, otherwise, forward step 114 to;
It is deactivation status that step 113:BS arranges master control CC, and is UE Resources allocation again, and all CC taken by UE will be released, and again for UE distributes new CC;
Step 114:UE receives activation/deactivation information, and is being state of activation or deactivation status according to the corresponding CC of encoding setting, and the component carrier activated receives control channel information;
Step 115:UE feedback reception control channel information state to BS, and terminates component carrier activation/deactivation flow process.
Next, described in 2 pairs of embodiment of the present invention, system is described in detail by reference to the accompanying drawings.
As shown in Figure 2, Fig. 2 is the structural representation of system described in the embodiment of the present invention, specifically can comprise: comprising: base station BS and user terminal UE, and wherein, BS specifically comprises: selected cell, feedback acknowledgment unit and judging unit, wherein,
Selected cell, selected master control CC in all component carrier CC that primary responsibility takies at user terminal UE, and remaining CC is encoded;
Feedback acknowledgment unit, primary responsibility, according to predetermined validation testing, sends activation/deactivation information to UE by master control CC, carries out the state confirmation of activation/deactivation information with UE, and triggers judging unit after state confirmation success;
Judging unit, primary responsibility arranges the maximum number of times of transmission of activation/deactivation information, and execution judges operation as follows:
When judging whether actual transmission times reaches maximum number of times of transmission, if so, it is deactivation status that BS arranges master control CC, and is UE Resources allocation again; If not, trigger UE and receive activation/deactivation information;
UE, primary responsibility, according to the activation/deactivation information received, is being state of activation or deactivation status according to the corresponding CC of encoding setting, and, the CC activated receives control channel information, and by the control channel information feed back that receives to BS.
Finally, described in 3 pairs of embodiment of the present invention, base station is described in detail by reference to the accompanying drawings.
As shown in Figure 3, Fig. 3 is the structural representation of base station described in the embodiment of the present invention, specifically can comprise:
Selected cell, selected master control CC in all component carrier CC that primary responsibility takies at user terminal UE, and remaining CC is encoded; Be exactly specifically, the quantity of CC that selected cell statistics UE takies and the number of times of each CC activation/deactivation; In the CC that UE takies, choose activation/deactivation least number of times and the best CC of channel status as master control CC.
Feedback acknowledgment unit, primary responsibility, according to predetermined validation testing, sends activation/deactivation information to UE by master control CC, carries out the state confirmation of activation/deactivation information with UE, and triggers judging unit after state confirmation success; Be exactly that feedback acknowledgment unit, within the feedback on reservation cycle, sends activation/deactivation information to UE by master control CC, and compares according to the feedback information of UE loopback and the activation/deactivation information of transmission specifically, if unanimously, then state confirmation success; If inconsistent, then reset validation testing, and send activation/deactivation information to UE by master control CC, again carry out the state confirmation of activation/deactivation information with UE.
Judging unit, primary responsibility arranges the maximum number of times of transmission of activation/deactivation information, and execution judges operation as follows:
When judging whether actual transmission times reaches maximum number of times of transmission, if so, it is deactivation status that BS arranges master control CC, and is UE Resources allocation again; If not, trigger UE and receive activation/deactivation information.
It should be noted that, the specific implementation process of above system and base station, owing to being described in detail in said method, so place repeats no more.
In sum, embodiments provide component carrier in a kind of carrier aggregation system to activate and anti-activating method, system and base station, the embodiment of the present invention is by arranging master control CC, the CC that UE only monitors UE self on master control CC takies the information such as situation, control channel information, measurement, considerably reduces power consumption when UE monitors; And what received by the CC activation/deactivation of UE combines confirmation/non-acknowledgement feedback system and fixing feedback cycle and discontinuous transmission, effectively prevent the CC resource utilization between BS and UE that the undetected survey, false-alarm etc. of UE to control channel information cause, the understanding mismatch of activation/deactivation state information caused low, and the unnecessary power consumption of UE; And time-multiplexed in continuous 2 two or more feedback cycles by master control CC, or on multiple master control CC, the mode such as frequency division multiplexing sends activation/deactivation information, improves the efficiency of transmission of information, and then the mismatch probability of the information of reduction between BS and UE.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (10)
1. in carrier aggregation system, component carrier activates the method with deexcitation, it is characterized in that, comprising:
Selected master control CC in all component carrier CC that base station BS takies at user terminal UE, and remaining CC is encoded;
BS, according to predetermined validation testing, sends activation/deactivation information to UE by master control CC, carries out the state confirmation of activation/deactivation information with UE;
After state confirmation success, BS arranges the maximum number of times of transmission of activation/deactivation information, and execution judges operation as follows:
When judging whether actual transmission times reaches maximum number of times of transmission, if so, it is deactivation status that BS arranges master control CC, and is UE Resources allocation again; If not, UE, according to the activation/deactivation information received, is being state of activation or deactivation status according to the corresponding CC of encoding setting.
2. method according to claim 1, is characterized in that, also comprises:
The CC activated receives control channel information, and by the control channel information feed back that receives to BS.
3. method according to claim 1 and 2, is characterized in that, the step of selected master control CC specifically comprises:
The quantity of CC that base station BS statistics UE takies and the number of times of each CC activation/deactivation;
In the CC that UE takies, choose activation/deactivation least number of times and the best CC of channel status as master control CC.
4. method according to claim 1 and 2, is characterized in that, the step of carrying out activation/deactivation validation of information specifically comprises:
Within the feedback on reservation cycle, BS compares according to the activation/deactivation information of the feedback information of UE loopback and transmission, if unanimously, then and state confirmation success; If inconsistent, then state confirmation failure.
5. method according to claim 4, is characterized in that, if state confirmation failure, also comprises:
BS resets validation testing, and arranges the maximum number of times of transmission of activation/deactivation information, sends activation/deactivation information according to new validation testing, and performs above-mentioned judgement operation after state confirmation success.
6. in carrier aggregation system, component carrier activates the system with deexcitation, and it is characterized in that, comprising: base station BS and user terminal UE, wherein, BS specifically comprises: selected cell, feedback acknowledgment unit and judging unit, wherein,
Selected cell, for master control CC selected in all component carrier CC of taking at user terminal UE, and encodes to remaining CC;
Feedback acknowledgment unit, for according to predetermined validation testing, sends activation/deactivation information to UE by master control CC, carries out the state confirmation of activation/deactivation information with UE, and trigger judging unit after state confirmation success;
Judging unit, for arranging the maximum number of times of transmission of activation/deactivation information, and execution judges operation as follows:
When judging whether actual transmission times reaches maximum number of times of transmission, if so, it is deactivation status that BS arranges master control CC, and is UE Resources allocation again; If not, trigger UE and receive activation/deactivation information;
UE, for according to the activation/deactivation information received, is being state of activation or deactivation status according to the corresponding CC of encoding setting.
7. system according to claim 6, is characterized in that, described UE also for, the CC activated receives control channel information, and by the control channel information feed back that receives to BS.
8. a base station, is characterized in that, comprising:
Selected cell, for master control CC selected in all component carrier CC of taking at user terminal UE, and encodes to remaining CC;
Feedback acknowledgment unit, for according to predetermined validation testing, sends activation/deactivation information to UE by master control CC, carries out the state confirmation of activation/deactivation information with UE, and trigger judging unit after state confirmation success;
Judging unit, for arranging the maximum number of times of transmission of activation/deactivation information, and execution judges operation as follows:
When judging whether actual transmission times reaches maximum number of times of transmission, if so, it is deactivation status that BS arranges master control CC, and is UE Resources allocation again; If not, trigger UE and receive activation/deactivation information.
9. base station according to claim 8, is characterized in that, described selected cell specifically for, the statistics quantity of CC that takies of UE and the number of times of each CC activation/deactivation; In the CC that UE takies, choose activation/deactivation least number of times and the best CC of channel status as master control CC.
10. base station according to claim 8, it is characterized in that, described feedback acknowledgment unit specifically for, within the feedback on reservation cycle, activation/deactivation information is sent to UE by master control CC, and compare according to the feedback information of UE loopback and the activation/deactivation information of transmission, if unanimously, then state confirmation success; If inconsistent, then reset validation testing, and send activation/deactivation information to UE by master control CC, again carry out the state confirmation of activation/deactivation information with UE.
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| 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) |
| CN102223730A (en) * | 2010-04-14 | 2011-10-19 | 电信科学技术研究院 | Method and device for processing random access failure of auxiliary carrier |
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Patent Citations (6)
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| CN101925082A (en) * | 2009-06-09 | 2010-12-22 | 大唐移动通信设备有限公司 | Method, system and equipment for determining and monitoring main carrier and indicating and activating carrier |
| CN101925089A (en) * | 2009-06-16 | 2010-12-22 | 大唐移动通信设备有限公司 | Multi-carrier parameter configuration method, system and device |
| CN101959180A (en) * | 2009-07-13 | 2011-01-26 | 中兴通讯股份有限公司 | Communication realizing method based on terminal hardware reconfiguration and base station |
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| 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) |
| CN102223730A (en) * | 2010-04-14 | 2011-10-19 | 电信科学技术研究院 | Method and device for processing random access failure of auxiliary carrier |
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