CN101154970B - Method for power control based on service quality - Google Patents
Method for power control based on service quality Download PDFInfo
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- CN101154970B CN101154970B CN2006101401298A CN200610140129A CN101154970B CN 101154970 B CN101154970 B CN 101154970B CN 2006101401298 A CN2006101401298 A CN 2006101401298A CN 200610140129 A CN200610140129 A CN 200610140129A CN 101154970 B CN101154970 B CN 101154970B
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Abstract
The present invention puts forward a method for controlling the power according to the service quality, and the wireless network controller broadcasts the quality measuring information in the system broadcast information of the small social region or in the multimedia broadcast/multicast public-control channel; the user terminal does quality measurement according to the common transmitting channel indicated in the quality measuring information; the user transmits the quality information report to the wireless network controller according to the report regulation indicated in the quality measuring information when the user terminal detects the condition satisfying the quality measuring report; and the wireless network controller does dynamic regulation to the power of the common physical channel according to the quality information reported by the user.
Description
Technical field
The present invention relates to a kind of method of radio honeycomb communication system power control, relate in particular to the method for carrying out power control in the Wideband Code Division Multiple Access (WCDMA) WCDMA mobile communication system according to the service quality of multimedia broadcast-multicast service.
Background technology
Multimedia broadcast/group broadcast service MBMS (Multimedia Broadcast/Multicast Service) is a kind of shared network resource transmits data to a plurality of targets from a data source a technology.In traditional mobile network, cell broadcaste service allows low bit rate data to send to all users by district common channel, belongs to information series business, has only short message service to belong to cell broadcaste service in R99.Traditional multicast service allows the signatory person of moving of this business to receive, but should business not allow a plurality of contracted users to share the resource of wireless side and core net, promptly receive the situation of same data content at synchronization for N user, then wireless network side need be distributed the wired and Radio Resource of N cover for it, from the resource utilization angle, this situation is wasted the use of resource very much.
In order effectively to utilize wired and Radio Resource, 3GPP has proposed the multimedia broadcast/group broadcast service technology in R6, the characteristics of this technology are: the multimedia broadcast/group broadcast service that the Iu interface connects for a plurality of users only needs the wired resource bearing of a cover, promptly sends once to get final product; Eat dishes without rice or wine to adopt public physic channel and DPCH to transmit, these two kinds of physical channel carryings can be changed according to number of users, if adopt the public physic channel transmission, also are multiple users share one cover Radio Resource, avoid the waste of interface-free resources.
Because multimedia broadcast/group broadcast service can be the Packet Service of big data quantity, be that data rate can be up to 256kbps, in order to guarantee correctly receiving multimedia broadcasting/multicasting service of user that the sub-district covers the edge, then needing is that public physic channel disposes very high power.If the employing static configuration method, then to the power resource demand of system than higher, the resource of system is relatively wasted, be unfavorable for effectively utilizing the capacity of system.
Therefore, if dynamically the power resource of public physic channel is dynamically adjusted according to the residing wireless environment of user, then resource utilization is the highest, also can improve the capacity of system.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method of carrying out power control according to service quality, described method can dynamically be adjusted the power of public physic channel based on quality of services for users, thereby improves the throughput of system and user's quality of wireless network.
In order to address the above problem, the present invention proposes a kind of method of carrying out power control according to service quality, may further comprise the steps:
Further, said method also can have following characteristics: in the described step 110, described quality measurement information comprises measuring amount, report rule and the report amount of transmission channel, and described report rule comprises cycle report manner and event report mode.
Further, said method also can have following characteristics: in the described step 130, described quality information report comprises Block Error Rate and the incident that will report.
Further, said method also can have following characteristics: described step 140 is dynamically adjusted and is followed following principle:
(a) if the Block Error Rate that reports in the sub-district surpasses the number of users of default tolerable block error probability desired value greater than the number of users thresholding that raises transmitting power, then raise the transmitting power of public physic channel;
(b) if do not exist the Block Error Rate that reports to surpass the user of the block error probability desired value of default redundancy in the sub-district, then can reduce the transmitting power of public physic channel;
(c), then keep the transmitting power of current public physic channel if when having the Block Error Rate of reporting of user to drop between the block error probability desired value of default redundancy and the tolerable block error probability desired value in the sub-district.
Further, said method also can have following characteristics: the rise power step size of described public physic channel and downward modulation power step size are configurable, and raise power step size more than or equal to the downward modulation power step size.
A kind of method that adopts radio network controller under the event report mode dynamically to adjust power may further comprise the steps:
Step 501 is for multimedia broadcast/group broadcast service is set up public physic channel;
Step 502, radio network controller passes through this public physic channel adopts event report in system message mode broadcasting-quality metrical information, the Block Error Rate thresholding that the thresholding of institute's reported event adopts tolerable block error probability desired value to shine upon;
Step 503 is provided with timer T1;
Whether then step 504 judges timer T1, if not, then waiting timer then, otherwise, execution in step 505;
Step 505 has judged whether reporting of user mass measurement event report, if having, and execution in step 506, otherwise, execution in step 508;
Step 506 judges whether the number of users that reports the mass measurement event report surpasses the number of users thresholding of last adjusting power, if, execution in step 507, otherwise, execution in step 513;
Step 507, the power of rise public physic channel, execution in step 503;
Step 508, radio network controller adopt event report mode broadcasting-quality metrical information again in system message, described incident thresholding adopts the redundant Block Error Rate thresholding that block error probability desired value shone upon;
Step 509 is provided with timer T2;
Whether then step 510 judges timer T2, if not, then waiting timer then, otherwise, execution in step 511;
Step 511 has judged whether reporting of user mass measurement event report, if having, and execution in step 514, otherwise, execution in step 512;
Step 512, the power of downward modulation public physic channel, execution in step 509;
Step 513, the power of maintenance public physic channel, execution in step 503;
Step 514, the power of maintenance public physic channel, execution in step 502.
Further, said method also can have following characteristics: can transmit this professional public physic channel or have public physic channel but can not be multiplexing the time, for this business is set up public physic channel as multimedia service and current the existence.
Further, said method also can have following characteristics: the rise power step size of described public physic channel and downward modulation power step size are configurable, and raise power step size more than or equal to the downward modulation power step size.
A kind of method that adopts radio network controller under the cycle report manner dynamically to adjust power may further comprise the steps:
Whether then step 604 judges timer T1, if not, then waiting timer then, otherwise, execution in step 605;
Further, said method also can have following characteristics: can transmit this professional public physic channel or have public physic channel but can not be multiplexing the time, for this business is set up public physic channel as multimedia service and current the existence.
Further, said method also can have following characteristics: the rise power step size of described public physic channel and downward modulation power step size are configurable, and raise power step size more than or equal to the downward modulation power step size.
Compared with prior art, method of the present invention is a broadcasting-quality metrical information in the cell system broadcast message or on the multi-medium broadcast/group broadcast Common Control Channel on original 3Gpp consensus standard basis, make the user carry out mass measurement according to the indicated Common transport channel of quality measurement information, and dynamically adjust the power of public physic channel according to the quality information that the user reported by radio network controller, to improve power system capacity and quality of services for users.
Description of drawings
Fig. 1 is the flow chart of the inventive method.
Fig. 2 is the flow chart of embodiment one.
Fig. 3 is the flow chart of embodiment two.
Embodiment
Fig. 1 is the flow chart of the inventive method, may further comprise the steps:
Described quality measurement information comprises measuring amount, report rule and the report amount of transmission channel.Wherein, the report rule comprises cycle report manner and event report mode.
The report rule of cycle report manner is meant that report cycle then reports, and can only be with the piece number in the report rule of event report mode, is meant when the result who measures satisfies the condition of incident to report.Here said incident is meant that the cyclic redundancy check error indication number that receives is greater than the cyclic redundancy check error indication thresholding that receives.
Described method of adjustment is followed following principle:
(a) if the Block Error Rate that reports in the sub-district surpasses the number of users of tolerable block error probability desired value greater than the number of users thresholding that raises transmitting power, then raise the transmitting power of public physic channel;
(b) if do not exist the Block Error Rate that reports to surpass the user of redundant block error probability desired value in the sub-district, then can reduce the transmitting power of public physic channel;
(c), then keep the transmitting power of current public physic channel if when having the Block Error Rate of reporting of user to drop between redundant block error probability desired value and the tolerable block error probability desired value in the sub-district.
Above-mentioned all thresholdings of mentioning all can dispose, wherein,
Tolerable block error probability desired value: i.e. the acceptable Block Error Rate of user, if the Block Error Rate that user's actual measurement obtains illustrates that then quality of services for users can not be guaranteed, the quality of services for users of need taking measures to improve greater than tolerable block error probability desired value;
Redundant block error probability desired value: promptly consider, if user's Block Error Rate then can reduce transmitting power less than the block error probability desired value of redundancy, to improve resource utilization ratio from resource utilization ratio.
The rise power step size of public physic channel and downward modulation power step size are configurable, only adjust a step-length at every turn, and the principle that can adopt fast liter to fall slowly, promptly raise power step size more than or equal to the downward modulation power step size.
Be described in further detail below in conjunction with the enforcement of accompanying drawing technical scheme of the present invention:
Provide among Fig. 2 a kind of in system message the broadcasting-quality metrical information, radio network controller is adjusted the method for public physic channel power under the event report mode according to the transmission channel quality that the user reported, described transmission channel is mapped on the public physic channel, transmission channel is a layer 2, and public physic channel is a layer 1.Concrete steps are as follows:
Step 501 when needs begin multimedia broadcast/group broadcast service, and need set up public physic channel for this business the time, is then set up public physic channel in related cell;
Can transmit this professional public physic channel or have public physic channel but can not be multiplexing the time, need set up public physic channel as multimedia service and current the existence, send the data to the user by eating dishes without rice or wine by described public physic channel for this business.
Step 502, radio network controller passes through this public physic channel adopts event report in system message mode broadcasting-quality metrical information, the Block Error Rate thresholding that the thresholding of institute's reporting event adopts tolerable block error probability desired value to shine upon;
In the report rule of quality measurement information, can notify the size of user's statistic window,, when the user adds up its mistake piece number in statistic window and reaches mistake piece thresholding, then report this incident for the event report mode.
If the user is receiving same business, then block error probability desired value all is identical, and promptly desired value is at professional.
Step 503 is provided with timer T1;
T1 can change in each setting, but preferably constant.
Whether then step 504 judges timer T1, if not, then waiting timer then, otherwise, execution in step 505;
Step 505 has judged whether user's reporting measurement event report, if having, and execution in step 506, otherwise, execution in step 508;
Comprise Block Error Rate and the incident that will report in the measurement event report that reports.
Step 506 judges whether the number of users that reports the mass measurement event report surpasses the number of users thresholding of last adjusting power, if, execution in step 507, otherwise, execution in step 513;
Step 507, the power of rise public physic channel, execution in step 503;
If radio network controller indication user when receiving common signal channel employing merging mode, then only adjusts the power of the public physic channel of reference cell.
Step 508, radio network controller adopt event report mode broadcasting-quality metrical information again in system message, the incident thresholding adopts the redundant Block Error Rate thresholding that block error probability desired value shone upon;
Tolerable block error probability desired value is greater than the block error probability desired value of redundancy
Step 509 is provided with timer T2;
T2 can change in each setting, but preferably constant.
Whether then step 510 judges timer T2, if not, then waiting timer then, otherwise, execution in step 511;
Step 511 has judged whether user's reported event measurement report, if having, and execution in step 514, otherwise, execution in step 512;
Step 512, the power of downward modulation public physic channel, execution in step 509;
Step 513, the power of maintenance public physic channel, execution in step 503;
Step 514, the power of maintenance public physic channel, execution in step 502.
Then will change the thresholding of event report during execution in step 502 this moment.
Provide among Fig. 3 a kind of in system message the broadcasting-quality metrical information, radio network controller is adjusted the method for public physic channel power according to transmission channel quality that the user reported under the cycle report manner, may further comprise the steps:
Step 601 when needs begin multimedia broadcast/group broadcast service, and need set up public physic channel for this business the time, is then set up relevant public physic channel in related cell;
The described cycle can be according to the demand setting.
Step 603 is provided with timer T1;
Whether then step 604 judges timer T1, if not, then waiting timer then, otherwise, execution in step 605;
Step 605 judges whether to exist the Block Error Rate that the reports user greater than tolerable block error probability desired value, if, execution in step 606, otherwise, execution in step 608;
Step 606 judges whether the Block Error Rate report surpasses the number of users thresholding of last adjusting power greater than the number of users of tolerable block error probability desired value, if, execution in step 607, otherwise, execution in step 610;
Step 608 judges whether to exist the Block Error Rate that the reports user greater than the block error probability desired value of redundancy, if, execution in step 610, otherwise, execution in step 609;
Claims (10)
1. method of carrying out power control according to service quality may further comprise the steps:
Step 110, radio network controller be the broadcasting-quality metrical information in the system broadcast information of sub-district or on the multi-medium broadcast/group broadcast Common Control Channel;
Step 120, user terminal carries out mass measurement according to Common transport channel indicated in the quality measurement information;
Step 130 satisfies the condition that quality measurement reports reports when user terminal monitors, and promptly the incident of event report is reported then or satisfied to the cycle, and the user issues radio network controller to quality information report according to report rule indicated in the quality measurement information;
Step 140, radio network controller is dynamically adjusted the power of public physic channel according to the quality information that the user reported;
Described step 140 is dynamically adjusted and is followed following principle:
(a) if the Block Error Rate that reports in the sub-district surpasses the number of users of default tolerable block error probability desired value greater than the number of users thresholding that raises transmitting power, then raise the transmitting power of public physic channel;
(b) if do not exist the Block Error Rate that reports to surpass the user of the block error probability desired value of default redundancy in the sub-district, then reduce the transmitting power of public physic channel;
(c), then keep the transmitting power of current public physic channel if when having the Block Error Rate of reporting of user to drop between the block error probability desired value of default redundancy and the tolerable block error probability desired value in the sub-district;
Tolerable block error probability desired value: i.e. the acceptable Block Error Rate of user, if the Block Error Rate that user's actual measurement obtains illustrates that then quality of services for users can not be guaranteed, the quality of services for users of need taking measures to improve greater than tolerable block error probability desired value;
Redundant block error probability desired value: promptly consider, if user's Block Error Rate then reduces transmitting power less than the block error probability desired value of redundancy, to improve resource utilization ratio from resource utilization ratio.
2. method according to claim 1 is characterized in that:
In the described step 110, described quality measurement information comprises measuring amount, report rule and the report amount of Common transport channel, and described report rule comprises cycle report manner and event report mode.
3. method according to claim 1 is characterized in that:
In the described step 130, described quality information report comprises Block Error Rate and the incident that will report.
4. method according to claim 1 is characterized in that:
The rise power step size of described public physic channel and downward modulation power step size are configurable, and raise power step size more than or equal to the downward modulation power step size.
5. method that adopts radio network controller under the event report mode dynamically to adjust power may further comprise the steps:
Step 501 is for multimedia broadcast/group broadcast service is set up public physic channel;
Step 502, radio network controller passes through this public physic channel adopts event report in system message mode broadcasting-quality metrical information, the Block Error Rate thresholding that the thresholding of institute's reported event adopts tolerable block error probability desired value to shine upon; Tolerable block error probability desired value: i.e. the acceptable Block Error Rate of user, if the Block Error Rate that user's actual measurement obtains illustrates that then quality of services for users can not be guaranteed, the quality of services for users of need taking measures to improve greater than tolerable block error probability desired value;
Step 503 is provided with timer T1;
Whether then step 504 judges timer T1, if not, then waiting timer then, otherwise, execution in step 505;
Step 505 has judged whether reporting of user mass measurement event report, if having, and execution in step 506, otherwise, execution in step 508;
Step 506 judges whether the number of users that reports the mass measurement event report surpasses the number of users thresholding of last adjusting power, if, execution in step 507, otherwise, execution in step 513;
Step 507, the power of rise public physic channel, execution in step 503;
Step 508, radio network controller adopt event report mode broadcasting-quality metrical information again in system message, described incident thresholding adopts the redundant Block Error Rate thresholding that block error probability desired value shone upon, execution in step 509; Redundant block error probability desired value: promptly consider, if user's Block Error Rate then reduces transmitting power less than the block error probability desired value of redundancy, to improve resource utilization ratio from resource utilization ratio;
Step 509 is provided with timer T2, execution in step 510;
Whether then step 510 judges timer T2, if not, then waiting timer then, otherwise, execution in step 511;
Step 511 has judged whether reporting of user mass measurement event report, if having, and execution in step 514, otherwise, execution in step 512;
Step 512, the power of downward modulation public physic channel, execution in step 509;
Step 513, the power of maintenance public physic channel, execution in step 503;
Step 514, the power of maintenance public physic channel, execution in step 502.
6. as method as described in the claim 5, it is characterized in that:
Can transmit this professional public physic channel or have public physic channel but can not be multiplexing the time, as multimedia service and current the existence for this business is set up public physic channel.
7. as method as described in the claim 5, it is characterized in that:
The rise power step size of described public physic channel and downward modulation power step size are configurable, and raise power step size more than or equal to the downward modulation power step size.
8. method that adopts radio network controller under the cycle report manner dynamically to adjust power may further comprise the steps:
Step 601 is for multimedia broadcast/group broadcast service is set up public physic channel;
Step 602, radio network controller adopt cycle report manner broadcasting-quality metrical information in system message;
Step 603 is provided with timer T1;
Whether then step 604 judges timer T1, if not, then waiting timer then, otherwise, execution in step 605;
Step 605 judges whether to exist the Block Error Rate that the reports user greater than tolerable block error probability desired value, if, execution in step 606, otherwise, execution in step 608; Tolerable block error probability desired value: i.e. the acceptable Block Error Rate of user, if the Block Error Rate that user's actual measurement obtains illustrates that then quality of services for users can not be guaranteed, the quality of services for users of need taking measures to improve greater than tolerable block error probability desired value;
Step 606 judges whether the Block Error Rate report surpasses the number of users thresholding of last adjusting power greater than the number of users of tolerable block error probability desired value, if, execution in step 607, otherwise, execution in step 610;
Step 607, the power of rise public physic channel, execution in step 603;
Step 608 judges whether to exist the Block Error Rate that the reports user greater than the block error probability desired value of redundancy, if, execution in step 610, otherwise, execution in step 609; Redundant block error probability desired value: promptly consider, if user's Block Error Rate then reduces transmitting power less than the block error probability desired value of redundancy, to improve resource utilization ratio from resource utilization ratio;
Step 609, the power of downward modulation public physic channel is got back to step 603;
Step 610, the power of maintenance public physic channel is got back to step 603.
9. as method as described in the claim 8, it is characterized in that:
Can transmit this professional public physic channel or have public physic channel but can not be multiplexing the time, as multimedia service and current the existence for this business is set up public physic channel.
10. as method as described in the claim 8, it is characterized in that:
The rise power step size of described public physic channel and downward modulation power step size are configurable, and raise power step size more than or equal to the downward modulation power step size.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2006101401298A CN101154970B (en) | 2006-09-30 | 2006-09-30 | Method for power control based on service quality |
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| CN2006101401298A CN101154970B (en) | 2006-09-30 | 2006-09-30 | Method for power control based on service quality |
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| CN101154970B true CN101154970B (en) | 2011-08-10 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101686178B (en) * | 2008-09-28 | 2012-11-21 | 华为技术有限公司 | Method and system for improving multi-media connection quality, media control and processing equipment |
| CN101568170A (en) * | 2008-04-25 | 2009-10-28 | 华为技术有限公司 | Method and device for reporting channel information and controlling power |
| CN102196549B (en) * | 2010-03-19 | 2015-04-01 | 中兴通讯股份有限公司 | Method and system for controlling power of common channel |
| CN103313301A (en) * | 2012-03-16 | 2013-09-18 | 华为技术有限公司 | Method and device for realizing report measurement and report measurement result |
| CN102685800B (en) * | 2012-04-20 | 2015-06-17 | 大唐移动通信设备有限公司 | Inquiry method, device and system for receiving quality of downlink channel of terminal |
| CN103533628B (en) * | 2012-07-04 | 2016-05-04 | 普天信息技术研究院有限公司 | A kind of downlink power distributing method |
| CN103702391B (en) | 2013-11-30 | 2017-05-03 | 北京智谷睿拓技术服务有限公司 | Broadcasting method, broadcasting equipment, scanning method and scanning equipment for wireless communication |
| CN103686610B (en) | 2013-11-30 | 2017-06-16 | 北京智谷睿拓技术服务有限公司 | The broadcasting method and equipment of a kind of radio communication |
| CN105338605B (en) * | 2014-07-01 | 2019-06-25 | 联想(北京)有限公司 | A kind of power regulating method and electronic equipment |
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|---|---|---|---|---|
| CN1647414A (en) * | 2002-02-25 | 2005-07-27 | 高通股份有限公司 | Channel quality feedback for power control in a CDMA system |
| CN1685638A (en) * | 2002-09-19 | 2005-10-19 | 松下电器产业株式会社 | Transmission power control method and base station device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1647414A (en) * | 2002-02-25 | 2005-07-27 | 高通股份有限公司 | Channel quality feedback for power control in a CDMA system |
| CN1685638A (en) * | 2002-09-19 | 2005-10-19 | 松下电器产业株式会社 | Transmission power control method and base station device |
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