CN102448078A - Monitoring processing method for radio link on auxiliary carrier and user equipment - Google Patents
Monitoring processing method for radio link on auxiliary carrier and user equipment Download PDFInfo
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- CN102448078A CN102448078A CN2010105063206A CN201010506320A CN102448078A CN 102448078 A CN102448078 A CN 102448078A CN 2010105063206 A CN2010105063206 A CN 2010105063206A CN 201010506320 A CN201010506320 A CN 201010506320A CN 102448078 A CN102448078 A CN 102448078A
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Abstract
The invention discloses a monitoring processing method for a radio link on an auxiliary carrier and user equipment. The monitoring processing method comprises the following steps that: the user equipment monitors the quality of a downlink carrier signal of the auxiliary carrier; and the user equipment processes data sending of an uplink carrier corresponding to the auxiliary carrier according to a signal quality threshold and a monitoring result of the auxiliary carrier. Due to the adoption of the monitoring processing method for the radio link on the auxiliary carrier and the user equipment, which are disclosed by the invention, the interference caused by ineffective emission on the network can be avoided, the modification on a high layer protocol of the user equipment is avoided, and a high layer protocol standard is simplified.
Description
Technical field
The present invention relates to wireless communication technology, Radio Link monitoring process method and subscriber equipment on particularly a kind of auxilliary carrier wave.
Background technology
In mobile communication; As at 3GPP (3rd Generation partnership project; 3 generation collaborative project) LTE (Long Term Evolution; Long Term Evolution) in the Rel-8/9 version, eNB (base station) and UE (User Equipment, subscriber equipment) communicate on a wireless carrier (comprising frequency and bandwidth characteristic).After setting up wireless connections, terminal physical layer is monitored the descending carrier signal quality all the time periodically, and with signal quality thresholding Q
Out/ Q
InCompare.When descending poor signal quality in Q
OutThe time, the UE physical layer reports the lock-out indication to the UE high level, when descending signal quality is better than Q
InThe time, the UE physical layer reports synchronous indication to high level.The UE high level starts timer T310 after receiving the indication of N310 (counter) lock-out.If the T310 time to before receiving synchronous indication, high level will stop the T310 timing; If the T310 time arrives, then carry out wireless connections process of reconstruction (RRC-Connection Re-establishment; RRC:Radio Resource Control, Radio Resource control), or leave wireless connections (RRC-Connection) state.
Introduced CA (CarrierAggregation, carrier aggregation) technology in the LTE Rel-10 version, eNB and UE will be operated on a plurality of carrier waves, and a plurality of carrier waves are divided into main carrier (or saying the main plot) PCell, with auxilliary carrier wave (or saying auxilliary sub-district) SCell.In communication process; UE will carry out the wireless link signals quality and monitor to the downstream signal of PCell; If down link failure, UE then need carry out wireless connections and rebuild, or returns relevant treatment such as idle condition; Process is identical with the Radio Link observation process of above-mentioned R8/9, and promptly UE only carries out judgement, and the processing procedure of wireless connections reconstruction etc. of Radio Link monitoring, Radio Link Failure based on the PCell downstream signal.
For the Radio Link monitoring problem of SCell, the suggestion that each major company of the current whole world proposes, and scheme mainly contains following several kinds:
1, UE does not carry out the Radio Link monitoring to SCell.
This scheme is that UE does not carry out the Radio Link monitoring to the SCell carrier wave, and regardless of the downlink signal quality on the SCell carrier wave, UE still carries out descending reception and the up emission of this SCell according to scheduling.The radio link quality of SCell carrier wave estimates that at the upward signal of this SCell up-link carrier emission when radio link quality was bad, eNB will not dispatch this UE to UE by eNB on this SCell carrier wave, or is directed against this UE with this SCell deexcitation.
The deficiency of this scheme is: can not in time close the up emission of SCell, can produce invalid emission, cause interference.
2, UE carries out the Radio Link monitoring to SCell.
This kind scheme is thought, if UE does not carry out the Radio Link monitoring to SCell, when the downlink signal quality of SCell was very poor, UE will carry out the upward signal emission at this SCell, and because link-quality is very poor, this emission is invalid, and can cause interference.Therefore, UE should carry out the Radio Link monitoring to SCell as to the PCell carrier wave.Observation process is similar with the Radio Link monitoring of PCell, but works as T310 to constantly, and high level does not start the wireless connections process of reconstruction, and just controls the up emission that physical layer stops the SCell carrier wave.
The deficiency of this scheme is: need physical layer define new, about the SCell downstream signal synchronously/the lock-out indication; The course of work that upper-layer protocol need define is new, SCell is carried out the Radio Link monitoring, and new counter Scell N310, timer SCell T310 etc.Increased the unnecessary workload of exploitation standard agreement.
Summary of the invention
The technical problem that the present invention solved has been to provide Radio Link monitoring process method and the subscriber equipment on a kind of auxilliary carrier wave.
The embodiment of the invention provides the monitoring process method of the Radio Link on a kind of Scell, comprises the steps:
UE monitors the descending carrier signal quality of Scell;
UE sends with the data that monitoring result is handled the corresponding up-link carrier of this Scell according to the signal quality thresholding of this Scell.
The embodiment of the invention provides a kind of subscriber equipment, comprising:
Monitoring modular is used for the descending carrier signal quality of Scell is monitored;
Sending module is used for sending with the data that monitoring result is handled the corresponding up-link carrier of this Scell according to the signal quality thresholding of this Scell.
Beneficial effect of the present invention is following:
In the technical scheme that the embodiment of the invention provides, after UE monitored the descending carrier signal quality of Scell, UE sent with the data that monitoring result is handled the corresponding up-link carrier of this Scell according to the signal quality thresholding of this Scell.Because UE carries out the Radio Link monitoring in physical layer; But monitoring result is not indicated to high level; The UE high level does not carry out the associative operation of Radio Link monitoring, Radio Link Failure yet to the SCell carrier wave; Therefore the monitoring of the Radio Link of SCell carrier wave does not need the high-rise participation of UE, has avoided the modification to the UE upper-layer protocol, simplifies the upper-layer protocol standard.
Description of drawings
Fig. 1 is the Radio Link monitoring process method implementing procedure sketch map on the Scell in the embodiment of the invention;
Fig. 2 is a user device architecture sketch map in the embodiment of the invention.
Embodiment
The inventor notices in the invention process: 3GPP is promoting mobile communication technology to be developed to the 4th generation, the current mobile communication standard LTE Rel-10 version of developing.The multi-carrier polymerizing technology is a key property of LTE-A (Long Term Evolution-Advanced, long-term evolution upgrading) in LTE Rel-10.In the multicarrier of polymerization, be divided into main carrier PCell, with auxilliary carrier wave SCell.In communication process, UE (User Equipment, subscriber equipment) will carry out the wireless link signals quality and monitor to the downstream signal of PCell.Think down link failure if the wireless link signals quality is lower than certain threshold value, or the down link lock-out, UE then need carry out wireless connections and rebuild, or returns relevant treatment such as idle condition.
But in LTE Rel-10; The Radio Link monitoring that does not also have concrete scheme to solve SCell is handled; Therefore; The technical problem that the technical scheme that the embodiment of the invention proposes will solve is: proposes a kind ofly to carry out the Radio Link monitoring by physical layer, when lock-out, can stop the scheme that the SCell Radio Link of upward signal emission is monitored automatically.The Radio Link monitoring processing mode of under this scheme, carrying out not only need not influence upper-layer protocol, needs again to realize that the down link lock-out stops the purpose of up emission.Describe below in conjunction with the accompanying drawing specific embodiments of the invention.
Fig. 1 is the Radio Link monitoring process method implementing procedure sketch map on the Scell, and is as shown in the figure, can comprise the steps:
In the enforcement, the signal quality thresholding can comprise Q
OutAnd/or Q
In, the upstream data that UE handles this Scell according to signal quality thresholding and the monitoring result of this Scell sends and then can comprise:
When descending poor signal quality in Q
OutThe time, the upstream data that stops this Scell sends, and the transmitting power of this Scell up-link carrier is set to minimum;
When descending signal quality is better than Q
InThe time, send the upstream data of this Scell.
Concrete, when descending signal quality is better than Q
InThe time, can send such as transmitting power or various emission parameters by the upstream data of normal this Scell of situation transmission according to configuration.
In the enforcement, the statistics downlink signal quality is worse than Q
OutAnd downlink signal quality is better than Q
InNumber of times, can be worse than Q
OutThe number of times upstream data that stops this Scell when reaching first threshold send, and the transmitting power of this Scell up-link carrier is set to minimum, will be better than Q simultaneously
InNumber of times reset.
In the enforcement, the statistics downlink signal quality is better than Q
InAnd downlink signal quality is worse than Q
OutNumber of times, can be better than Q
InNumber of times when reaching second threshold value, normally send the upstream data of this Scell, and will be worse than Q
OutNumber of times reset.
In the practical implementation, the number of times reset circuit is that in statistic processes, in general, very possible downlink signal quality is worse than Q
OutAnd downlink signal quality is better than Q
InSituation be alternately to occur, therefore when the number of times that is better than or be worse than reaches threshold value, be necessary that number of times with another statistics resets to make zero, otherwise the situation of carrier signal quality can occur truly reflecting.To be better than Q
InNumber of times to reach second threshold value be example, when reaching second threshold value, expression carrier signal quality can normally be sent the upstream data of this Scell, but is not precluded within one long period through accumulation, is worse than Q
OutStatistics number also reach first threshold soon; If when reaching first threshold, just stop to send data like this; Obviously be not inconsistent with real carrier-quality, therefore when the number of times that is better than or be worse than reaches threshold value, be necessary that number of times with another statistics resets to make zero.
Concrete, in the enforcement, SCell carried out the Radio Link monitoring and handle by the UE physical layer, after UE and eNB set up wireless connections, terminal physical layer was monitored the descending carrier signal quality of each SCell all the time periodically, and with signal quality thresholding Q
Out/ Q
InCompare.
When the downlink signal quality of certain SCell is worse than Q
OutThe time, the UE physical layer will be reports the lock-out indication to the UE high level, but be worse than Q monitoring first threshold (N time) downlink signal quality
OutThe time, stop the upstream data emission of this SCell automatically, and the transmitting power of its up-link carrier is set to minimum, and will be better than Q
InNumber of times reset.This processing mode purpose is the up emission avoiding invalid and can cause interference.It is thus clear that, implement by the technical scheme that the embodiment of the invention provides, when SCell carrier wave downlink signal quality variation, can realize that UE closes the emission of corresponding up-link carrier signal automatically, thereby avoid invalid emission that network is caused interference.
Be better than Q when monitoring second threshold value (M time) downlink signal quality
InThe time, the UE physical layer does not report synchronous indication to high level yet.Physical layer directly is provided with uplink transmission power by course of normal operation, recovers the emission of upstream data, and will be worse than Q
OutNumber of times reset.
The first threshold N and the second threshold value M can be taken as positive integer (1,2,3 ...), in the practical implementation, can be by regulation and stipulation, perhaps the concrete realization situation by UE determines value.
In the enforcement, the signal quality thresholding of each Scell can be identical with the signal quality thresholding of Pcell, and/or the signal quality thresholding of each Scell can be identical.
Concrete, be used for each SCell Radio Link monitored signal quality Q
Out/ Q
InThe signal quality thresholding Q of desirable and PCell
Out/ Q
InIdentical value also can be got different values; Each SCell Radio Link monitored signal quality Q
Out/ Q
InIdentical value can be got, also different values can be got.
In the enforcement of such scheme; The UE high level need not done any operation to the Radio Link monitoring of SCell, still carries out operate as normal by the scheduling of eNB and gets final product, and the upstream data that does not send for physical layer still is regarded as sending; Only poor because of radio link quality, eNB does not receive.
ENB still gets final product by normal workflow the Control on Communication of UE on SCell, promptly according to the uplink quality situation of this UE at the SCell carrier wave, this UE is dispatched.When the UE physical layer stopped to send data, it is poor that eNB is regarded as radio link quality, do not receive this data; Triggering is stopped at this SCell upward this UE is dispatched, or this UE is sent the operations such as order with this SCell carrier wave deexcitation.
It is thus clear that, implement by the technical scheme that the embodiment of the invention provides, do not need the high-rise participation of UE, thereby avoided the upper-layer protocol standard has been simplified in the unnecessary modification of UE upper-layer protocol yet, also realized simultaneously the monitoring of Scell is handled.
Based on same inventive concept; A kind of subscriber equipment also is provided in the embodiment of the invention; Because the principle that this equipment is dealt with problems is similar with the Radio Link monitoring process method on a kind of auxilliary carrier wave, so the enforcement of this equipment can repeat part and repeat no more referring to the enforcement of method.
Fig. 2 is the user device architecture sketch map, and is as shown in the figure, can comprise among the UE:
Monitoring modular 201 is used for the descending carrier signal quality of Scell is monitored;
In the enforcement, sending module can also be further used for comprising Q at the signal quality thresholding
OutAnd/or Q
InThe time, when descending poor signal quality in Q
OutThe time, the upstream data that stops this Scell sends, and the transmitting power of this Scell up-link carrier is set to minimum; When descending signal quality is better than Q
InThe time, send the upstream data of this Scell.
In the enforcement, sending module can also be further used for adding up downlink signal quality and be worse than Q
OutAnd downlink signal quality is better than Q
InNumber of times, be worse than Q
OutThe number of times upstream data that stops this Scell when reaching first threshold send, the transmitting power of this Scell up-link carrier is set to minimum, and will be better than Q
InNumber of times reset.
In the enforcement, sending module can also be further used for adding up downlink signal quality and be better than Q
InAnd downlink signal quality is worse than Q
OutNumber of times, be better than Q
InNumber of times when reaching second threshold value, send the upstream data of this Scell, and will be worse than Q
OutNumber of times reset.
In the enforcement, sending module can also be further used for when definite signal quality thresholding, and the signal quality thresholding of each Scell is identical with the signal quality thresholding of Pcell, and/or the signal quality thresholding of each Scell adopts identical thresholding.
For the convenience of describing, the each several part of the above device is divided into various modules with function or the unit is described respectively.Certainly, when embodiment of the present invention, can in same or a plurality of softwares or hardware, realize the function of each module or unit.
Can find out that by above-mentioned execution mode UE carries out the Radio Link monitoring in physical layer, but need monitoring result not indicated to high level;
But when the down link lock-out of certain SCell, the UE physical layer transmitting power of corresponding up-link carrier automatically is set to minimum value;
When the down link of certain SCell recovered synchronous, the UE physical layer was recovered the normal transmission of corresponding up-link carrier automatically;
Simultaneously, the UE high level does not carry out the associative operation of Radio Link monitoring, Radio Link Failure yet to the SCell carrier wave.
Further, automatic up emission stops, and is to carry out N Radio Link monitoring failure back; Automatic up emission recovers, and is to monitor successfully back execution at M Radio Link, and N, M get positive integer.
Because when the down link lock-out of certain SCell; The UE physical layer transmitting power of corresponding up-link carrier automatically is set to minimum value; Therefore when SCell carrier wave downlink signal quality variation; Can realize that UE closes the emission of corresponding up-link carrier signal automatically, avoid invalid emission that network is caused interference.
Because UE carries out the Radio Link monitoring in physical layer; But monitoring result is not indicated to high level; The UE high level does not carry out the associative operation of Radio Link monitoring, Radio Link Failure yet to the SCell carrier wave; Therefore the monitoring of the Radio Link of SCell carrier wave does not need the high-rise participation of UE, has avoided the unnecessary modification of UE upper-layer protocol, simplifies the upper-layer protocol standard.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of the embodiment of complete hardware embodiment, complete software implementation example or combination software and hardware aspect.And the present invention can be employed in the form that one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code go up the computer program of implementing.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out through the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in ability vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work; Make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device; Make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of on computer or other programmable devices, carrying out is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic inventive concept could of cicada, then can make other change and modification to these embodiment.So accompanying claims is intended to be interpreted as all changes and the modification that comprises preferred embodiment and fall into the scope of the invention.
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, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. the Radio Link monitoring process method on the auxilliary carrier wave Scell is characterized in that, comprises the steps:
User equipment (UE) is monitored the descending carrier signal quality of Scell;
UE sends with the data that monitoring result is handled the corresponding up-link carrier of this Scell according to the signal quality thresholding of this Scell.
2. the method for claim 1 is characterized in that, the signal quality thresholding comprises Q
OutAnd/or Q
In, the upstream data that UE handles this Scell according to signal quality thresholding and the monitoring result of this Scell sends and comprises:
When descending poor signal quality in Q
OutThe time, the upstream data that stops this Scell sends, and the transmitting power of this Scell up-link carrier is set to minimum;
When descending signal quality is better than Q
InThe time, send the upstream data of this Scell.
3. method as claimed in claim 2 is characterized in that, the statistics downlink signal quality is worse than Q
OutAnd downlink signal quality is better than Q
InNumber of times, be worse than Q
OutThe number of times upstream data that stops this Scell when reaching first threshold send, the transmitting power of this Scell up-link carrier is set to minimum, and will be better than Q
InNumber of times reset.
4. method as claimed in claim 2 is characterized in that, the statistics downlink signal quality is better than Q
InAnd downlink signal quality is worse than Q
OutNumber of times, be better than Q
InNumber of times when reaching second threshold value, send the upstream data of this Scell, and will be worse than Q
OutNumber of times reset.
5. like the arbitrary described method of claim 2 to 4, it is characterized in that the signal quality thresholding of each Scell is identical with the signal quality thresholding of main carrier Pcell, and/or the signal quality thresholding of each Scell is identical.
6. a subscriber equipment is characterized in that, comprising:
Monitoring modular is used for the descending carrier signal quality of Scell is monitored;
Sending module is used for sending with the data that monitoring result is handled the corresponding up-link carrier of this Scell according to the signal quality thresholding of this Scell.
7. subscriber equipment as claimed in claim 6 is characterized in that, sending module is further used for comprising Q at the signal quality thresholding
OutAnd/or Q
InThe time, when descending poor signal quality in Q
OutThe time, the upstream data that stops this Scell sends, and the transmitting power of this Scell up-link carrier is set to minimum; When descending signal quality is better than Q
InThe time, send the upstream data of this Scell.
8. subscriber equipment as claimed in claim 7 is characterized in that sending module is further used for adding up downlink signal quality and is worse than Q
OutAnd downlink signal quality is better than Q
InNumber of times, be worse than Q
OutThe number of times upstream data that stops this Scell when reaching first threshold send, the transmitting power of this Scell up-link carrier is set to minimum, and will be better than Q
InNumber of times reset.
9. subscriber equipment as claimed in claim 7 is characterized in that, sending module is further used for adding up downlink signal quality and is better than Q
InAnd downlink signal quality is worse than Q
OutNumber of times, be better than Q
InNumber of times when reaching second threshold value, send the upstream data of this Scell, and will be worse than Q
OutNumber of times reset.
10. like the arbitrary described subscriber equipment of claim 7 to 9; It is characterized in that sending module is further used for when definite signal quality thresholding, the signal quality thresholding of each Scell is identical with the signal quality thresholding of Pcell; And/or the signal quality thresholding of each Scell adopts identical thresholding.
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| CN2010105063206A CN102448078A (en) | 2010-10-09 | 2010-10-09 | Monitoring processing method for radio link on auxiliary carrier and user equipment |
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| US20220086941A1 (en) * | 2019-01-16 | 2022-03-17 | Datang Mobile Communications Equipment Co.,Ltd. | Beam failure recovery method and apparatus, ue, base station, and readable storage medium |
| WO2020147762A1 (en) * | 2019-01-16 | 2020-07-23 | 电信科学技术研究院有限公司 | Beam failure recovery method and apparatus, ue, base station, and readable storage medium |
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