CN102752872A - 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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- CN102752872A CN102752872A CN2012101622154A CN201210162215A CN102752872A CN 102752872 A CN102752872 A CN 102752872A CN 2012101622154 A CN2012101622154 A CN 2012101622154A CN 201210162215 A CN201210162215 A CN 201210162215A CN 102752872 A CN102752872 A CN 102752872A
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- 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
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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, relate in particular to and form carrier wave activation and anti-activating method, system and base station in a kind of carrier aggregation system.
Background technology
In follow-on broadband wireless communication network, how to solve in the cordless communication network and to support bigger bandwidth to become the key factor that improves inter-cell user terminal throughput and user terminal average throughput under the bandwidth in current wireless communication system and be faced with formidable challenges.
At present; At the LTE of third generation partner program (Long Term Evolution; Long-term technological evolution) all propose to adopt the mode of carrier aggregation to come in current wireless communication system, to support effectively bigger bandwidth in, to satisfy in the new generation of wireless standard demand to indexs such as throughput, peak rates.Carrier aggregation is to support the key technology of bigger bandwidth in the future broadband wireless communication systems, through different carrier waves is carried out polymerization, forms the carrier wave of bigger bandwidth, on the bandwidth after the polymerization, supports to have the UE (User Equipment, user side) of stronger ability.
In the carrier aggregation system, along with the up link composition CC (composition carrier wave) of user side use and the increase of down link CC quantity, UE will make power consumption increase considerably to the monitoring and the measurement of a large amount of control channels.Simultaneously; Along with BS (Base Station; The base station) needs the increase of the incident of activation CC and among the UE because of the Different control process, make on the Signalling exchange of activation between BS and the UE to lead to errors, and then cause the wrong activation of CC; Make the resource serious waste on the 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 in a kind of carrier aggregation system and to form carrier wave activation and anti-activating method, system and base station, in order to the monitoring that solves a large amount of control channels in the carrier aggregation system and measure the problem that leads to errors on the Signalling exchange that will make between problem that power consumption increases considerably and BS and the UE activation that incidents in a large number bring.
The object of the invention is mainly realized through following technical scheme:
The invention provides the method for forming carrier wave activation and deexcitation in a kind of carrier aggregation system, comprising:
Base station BS is selected master control CC in all composition carrier wave CC that user terminal UE takies, and remaining CC is encoded;
BS sends activation information through master control CC and gives UE according to predetermined affirmation mode, carries out the state confirmation of activation information with UE;
After the state confirmation success, BS is provided with the maximum number of times of transmission of activation information, and carries out following decision operation:
Judging when whether actual transmission number of times reaches maximum number of times of transmission, if it is deactivation status that BS is provided with master control CC, and is the UE Resources allocation again; If not, UE is being state of activation or deactivation status according to the activation information that receives according to encoding setting corresponding C C.
Further, also comprise:
On the CC that activates, receive control channel information, and the control channel information that receives is fed back to BS.
Further, the step of selected master control CC specifically comprises:
The quantity of the CC that base station BS statistics UE takies and the number of times of each CC activation;
In the CC that UE takies, choose the best CC of activation least number of times and channel status as master control CC.
The step of further, carrying out the activation validation of information specifically comprises:
In the feedback on reservation cycle, BS compares according to the feedback information of UE loopback and the activation information of transmission, if consistent, then state confirmation success; If inconsistent, then state confirmation failure.
Further, if the state confirmation failure also comprises:
BS resets the affirmation mode, and the maximum number of times of transmission of activation information is set, and sends activation information according to new affirmation mode, and carries out above-mentioned decision operation in state confirmation success back.
The present invention also provides the system that forms carrier wave activation and deexcitation in a kind of carrier aggregation system, comprising: base station BS and user terminal UE, and wherein, BS specifically comprises: selected cell, feedback acknowledgment unit and judging unit, wherein,
Selected cell, all that are used for taking at user terminal UE are formed the selected master control CC of carrier wave CC, and remaining CC is encoded;
The feedback acknowledgment unit is used for the predetermined affirmation mode of basis, sends activation information through master control CC and gives UE, carries out the state confirmation of activation information with UE, and after the state confirmation success, triggers judging unit;
Judging unit is used to be provided with the maximum number of times of transmission of activation information, and carries out following decision operation:
Judging when whether actual transmission number of times reaches maximum number of times of transmission, if it is deactivation status that BS is provided with master control CC, and is the UE Resources allocation again; Receive activation information if, do not trigger UE;
UE is used for according to the activation information that receives, and is being state of activation or deactivation status according to encoding setting corresponding C C.
Further, said UE also is used for, and on the CC that activates, receives control channel information, and the control channel information that receives is fed back to BS.
The present invention also provides a kind of base station, comprising:
Selected cell, all that are used for taking at user terminal UE are formed the selected master control CC of carrier wave CC, and remaining CC is encoded;
The feedback acknowledgment unit is used for the predetermined affirmation mode of basis, sends activation information through master control CC and gives UE, carries out the state confirmation of activation information with UE, and after the state confirmation success, triggers judging unit;
Judging unit is used to be provided with the maximum number of times of transmission of activation information, and carries out following decision operation:
Judging when whether actual transmission number of times reaches maximum number of times of transmission, if it is deactivation status that BS is provided with master control CC, and is the UE Resources allocation again; Receive activation information if, do not trigger UE.
Further, said selected cell specifically is used for, the quantity of the CC that statistics UE takies and the number of times of each CC activation; In the CC that UE takies, choose the best CC of activation least number of times and channel status as master control CC.
Further, said feedback acknowledgment unit specifically is used for, in the feedback on reservation cycle; Send activation information through master control CC and give UE; And compare according to the feedback information of UE loopback and the activation information of transmission, if consistent, then state confirmation success; If inconsistent, then reset the affirmation mode, and send activation information through master control CC and give UE, carry out the state confirmation of activation information once more with UE.
Beneficial effect of the present invention is following:
The present invention has reduced the power consumption when UE monitors significantly; Prevented effectively between BS that UE causes the omission survey of control channel information, false-alarm etc. and the UE to the activation state information to understand the CC resource utilization that mismatch causes low, and improved transmission of Information efficient.
Other features and advantages of the present invention will be set forth in specification subsequently, and from specification, becoming of part is obvious, perhaps understands through embodiment of the present invention.The object of the invention can be realized through the structure that in the specification of being write, claims and accompanying drawing, is particularly pointed out and obtained with other advantages.
Description of drawings
Fig. 1 is the schematic flow sheet of the said method of the embodiment of the invention;
Fig. 2 is the structural representation of the said system of the embodiment of the invention;
Fig. 3 is the structural representation of the said base station of the embodiment of the invention.
Embodiment
Specifically describe the preferred embodiments of the present invention below in conjunction with accompanying drawing, wherein, accompanying drawing constitutes the application's part, and is used to explain principle of the present invention with embodiments of the invention.
At first, be elaborated in conjunction with 1 pair of said method of the embodiment of the invention of accompanying drawing.
As shown in Figure 1, Fig. 1 is the schematic flow sheet of the said method of the embodiment of the invention, specifically can comprise the steps:
The quantity and the activation access times of the composition carrier wave that step 101:BS statistics UE takies;
Step 102:UE is to the channel status of all CC of BS feedback, and so-called here channel status can comprise the information of reflection channel confidence levels such as interference, path loss;
It is minimum that step 103:BS chooses the activation access times, and the best CC of channel status is as the master control CC of UE;
Step 104:BS is provided with the state of other CC except master control CC is encoded, so that indicate activation or the deactivation status of other CC;
Step 105:BS is provided with the feedback cycle of activation state, i.e. the feedback on reservation cycle;
Step 106:BS confirms mode according to feedback on reservation, and through ACK/NACK (affirmation/non-affirmation), fixed cycle feedback, DTX modes such as (discontinuous transmissions), UE confirms the affirmation state of activation information;
Step 107:BS is provided with the multiplexing/radiation pattern of master control CC activation information; Effectively launch activation information, wherein, activation information has comprised 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 information that BS sends, and feeds back to BS;
Step 109:BS receives the feedback information of UE, if the activation information that BS sends is consistent with feedback information, promptly confirms successfully, forwards step 111 to, otherwise, forward step 110 to;
Step 110:BS resets the affirmation mode;
Step 111:BS is provided with activation information transmitting counter, and maximum number of times of transmission is set;
Step 112:BS resends activation information according to the mode of confirming, and to the transmitting counter counting, if counter surpasses maximum, forwards step 113 to, otherwise, forward step 114 to;
It is deactivation status that step 113:BS is provided with master control CC, and is the UE Resources allocation again, and being about to all CC that UE takies will be released, and be the new CC of UE distribution again;
Step 114:UE receives activation information, and is being state of activation or deactivation status according to encoding setting corresponding C C, on the composition carrier wave that activates, receives control channel information;
Step 115:UE feedback receives the control channel information state and gives BS, and finishes to form carrier wave activation flow process.
Next, be elaborated in conjunction with 2 pairs of said systems of the embodiment of the invention of accompanying drawing.
As shown in Figure 2, Fig. 2 is the structural representation of the said system of the embodiment of the 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, all that mainly be responsible in that user terminal UE takies are formed selected master control CC among the carrier wave CC, and remaining CC is encoded;
The feedback acknowledgment unit, the main predetermined affirmation mode of basis of being responsible for is sent activation information through master control CC and is given UE, carries out the state confirmation of activation information with UE, and after the state confirmation success, triggers judging unit;
Judging unit mainly is responsible for being provided with the maximum number of times of transmission of activation information, and carries out following decision operation:
Judging when whether actual transmission number of times reaches maximum number of times of transmission, if it is deactivation status that BS is provided with master control CC, and is the UE Resources allocation again; Receive activation information if, do not trigger UE;
UE, main being responsible for according to the activation information that receives is being state of activation or deactivation status according to encoding setting corresponding C C, and, on the CC that activates, receive control channel information, and the control channel information that receives is fed back to BS.
At last, be elaborated in conjunction with 3 pairs of said base stations of the embodiment of the invention of accompanying drawing.
As shown in Figure 3, Fig. 3 is the structural representation of the said base station of the embodiment of the invention, specifically can comprise:
Selected cell, all that mainly be responsible in that user terminal UE takies are formed selected master control CC among the carrier wave CC, and remaining CC is encoded; Be exactly the quantity of the CC that selected cell statistics UE takies and the number of times of each CC activation specifically; In the CC that UE takies, choose the best CC of activation least number of times and channel status as master control CC.
The feedback acknowledgment unit, the main predetermined affirmation mode of basis of being responsible for is sent activation information through master control CC and is given UE, carries out the state confirmation of activation information with UE, and after the state confirmation success, triggers judging unit; Be exactly specifically, the feedback acknowledgment unit sent activation information through master control CC and gives UE, and compare according to the feedback information of UE loopback and the activation information of transmission in the feedback on reservation cycle, if consistent, then state confirmation success; If inconsistent, then reset the affirmation mode, and send activation information through master control CC and give UE, carry out the state confirmation of activation information once more with UE.
Judging unit mainly is responsible for being provided with the maximum number of times of transmission of activation information, and carries out following decision operation:
Judging when whether actual transmission number of times reaches maximum number of times of transmission, if it is deactivation status that BS is provided with master control CC, and is the UE Resources allocation again; Receive activation information if, do not trigger UE.
Need to prove, the concrete implementation procedure of above system and base station, because existing detailed description the in the said method, so locate to repeat no more.
In sum; The embodiment of the invention provides forms carrier wave activation and anti-activating method, system and base station in a kind of carrier aggregation system; The embodiment of the invention is through being provided with master control CC; UE only monitors UE self on master control CC CC takies information such as situation, control channel information, measurement, has reduced the power consumption when UE monitors significantly; And the feedback cycle and the discontinuous transmission of uniting affirmations/non-affirmation feedback system and fixing that the CC activation through UE receives; Prevented effectively between BS that UE causes the omission survey of control channel information, false-alarm etc. and the UE to the activation state information to understand the CC resource utilization that mismatch causes low, and the unnecessary power consumption of UE; And time-multiplexed in continuous 2 two or more feedback cycles through master control CC, or mode such as frequency division multiplexing is sent activation information on a plurality of master control CC, improves transmission of Information efficient, and then the mismatch probability of reduction information between BS and UE.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation 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. form carrier wave in the carrier aggregation system and activate the method with deexcitation, it is characterized in that, comprising:
Base station BS is selected master control CC in all composition carrier wave CC that user terminal UE takies, and remaining CC is encoded;
BS sends activation information through master control CC and gives UE according to predetermined affirmation mode, carries out the state confirmation of activation information with UE;
After the state confirmation success, BS is provided with the maximum number of times of transmission of activation information, and carries out following decision operation:
Judging when whether actual transmission number of times reaches maximum number of times of transmission, if it is deactivation status that BS is provided with master control CC, and is the UE Resources allocation again; If not, UE is being state of activation or deactivation status according to the activation information that receives according to encoding setting corresponding C C.
2. method according to claim 1 is characterized in that, also comprises:
On the CC that activates, receive control channel information, and the control channel information that receives is fed back 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 the CC that base station BS statistics UE takies and the number of times of each CC activation;
In the CC that UE takies, choose the best CC of activation least number of times and channel status as master control CC.
4. method according to claim 1 and 2 is characterized in that, the step of carrying out the activation validation of information specifically comprises:
In the feedback on reservation cycle, BS compares according to the feedback information of UE loopback and the activation information of transmission, if consistent, then state confirmation success; If inconsistent, then state confirmation failure.
5. method according to claim 4 is characterized in that, if the state confirmation failure also comprises:
BS resets the affirmation mode, and the maximum number of times of transmission of activation information is set, and sends activation information according to new affirmation mode, and carries out above-mentioned decision operation in state confirmation success back.
6. form carrier wave in the carrier aggregation system and activate the system with deexcitation, 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, all that are used for taking at user terminal UE are formed the selected master control CC of carrier wave CC, and remaining CC is encoded;
The feedback acknowledgment unit is used for the predetermined affirmation mode of basis, sends activation information through master control CC and gives UE, carries out the state confirmation of activation information with UE, and after the state confirmation success, triggers judging unit;
Judging unit is used to be provided with the maximum number of times of transmission of activation information, and carries out following decision operation:
Judging when whether actual transmission number of times reaches maximum number of times of transmission, if it is deactivation status that BS is provided with master control CC, and is the UE Resources allocation again; Receive activation information if, do not trigger UE;
UE is used for according to the activation information that receives, and is being state of activation or deactivation status according to encoding setting corresponding C C.
7. system according to claim 6 is characterized in that said UE also is used for, and on the CC that activates, receives control channel information, and the control channel information that receives is fed back to BS.
8. a base station is characterized in that, comprising:
Selected cell, all that are used for taking at user terminal UE are formed the selected master control CC of carrier wave CC, and remaining CC is encoded;
The feedback acknowledgment unit is used for the predetermined affirmation mode of basis, sends activation information through master control CC and gives UE, carries out the state confirmation of activation information with UE, and after the state confirmation success, triggers judging unit;
Judging unit is used to be provided with the maximum number of times of transmission of activation information, and carries out following decision operation:
Judging when whether actual transmission number of times reaches maximum number of times of transmission, if it is deactivation status that BS is provided with master control CC, and is the UE Resources allocation again; Receive activation information if, do not trigger UE.
9. base station according to claim 8 is characterized in that said selected cell specifically is used for, the quantity of the CC that statistics UE takies and the number of times of each CC activation; In the CC that UE takies, choose the best CC of activation least number of times and channel status as master control CC.
10. base station according to claim 8; It is characterized in that said feedback acknowledgment unit specifically is used for, in the feedback on reservation cycle; Send activation information through master control CC and give UE; And compare according to the feedback information of UE loopback and the activation information of transmission, if consistent, then state confirmation success; If inconsistent, then reset the affirmation mode, and send activation information through master control CC and give UE, carry out the state confirmation of activation information once more with UE.
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