CN102065534A - Power adjustment method and device - Google Patents
Power adjustment method and device Download PDFInfo
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- CN102065534A CN102065534A CN2011100339816A CN201110033981A CN102065534A CN 102065534 A CN102065534 A CN 102065534A CN 2011100339816 A CN2011100339816 A CN 2011100339816A CN 201110033981 A CN201110033981 A CN 201110033981A CN 102065534 A CN102065534 A CN 102065534A
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Abstract
The embodiment of the invention provides a power adjustment method and a device. The method comprises acquiring the channel quality parameter of a terminal currently dispatched in a district; acquiring the retransmission rate corresponding to the channel quality parameter according to the corresponding relation between the channel quality parameter and the retransmission rate; and adjusting the downlink transmission power of the terminal according to the retransmission rate. According to the embodiment of the invention, the power adjustment method can adjust the downlink transmission power of the terminal according to the above steps, thereby improving the base station dispatching flexibility.
Description
Technical field
The embodiment of the invention relates to the communication technology, relates in particular to a kind of power regulating method and device.
Background technology
High speed downlink packet inserts (High Speed Downlink Packages Access, abbreviation HSDPA) in the network, the base station retransmits (Hybrid Automatic Repeat reQuest automatically according to the mixing that sets in advance, abbreviation HARQ) retransmission rate is adjusted the down transmitting power of current scheduled terminals.BLock error rate (Block Error Rate when terminal, be called for short BLER) during greater than the retransmission rate that sets in advance, the down transmitting power that can increase terminal is High-Speed Physical Downlink Shared Channel (High Speed Physical Downlink Shared Channel, abbreviation HSPDSCH) transmitting power converges on above-mentioned retransmission rate up to the BLER of terminal; As the BLER of terminal during less than the retransmission rate that sets in advance, can reduce the down transmitting power of terminal, converge on above-mentioned retransmission rate up to the BLER of terminal.
Yet above-mentioned prior art is provided with same fixing retransmission rate to all scheduled terminals, thereby has caused the reduction of the dispatching flexibility of base station.
Summary of the invention
The embodiment of the invention provides a kind of power regulating method and device, to improve the dispatching flexibility of base station.
The embodiment of the invention provides a kind of power regulating method, comprising:
Obtain the channel quality parameter of current scheduled terminals in the sub-district;
According to the corresponding relation of channel quality parameter and retransmission rate, obtain the retransmission rate corresponding with described channel quality parameter;
According to described retransmission rate, the down transmitting power of described terminal is adjusted.
The embodiment of the invention also provides a kind of power adjustment apparatus, comprising:
First acquisition module is used for obtaining the channel quality parameter of the current scheduled terminals in sub-district;
Second acquisition module is used for the corresponding relation according to channel quality parameter and retransmission rate, obtains the retransmission rate corresponding with described channel quality parameter;
Adjusting module is used for according to described retransmission rate the down transmitting power of described terminal being adjusted.
As shown from the above technical solution, the embodiment of the invention is by obtaining the channel quality parameter of current scheduled terminals in the sub-district, corresponding relation according to channel quality parameter and retransmission rate, obtain the retransmission rate corresponding with above-mentioned channel quality parameter, thereby make according to the above-mentioned retransmission rate of obtaining, can adjust the down transmitting power of above-mentioned terminal, improve the dispatching flexibility of base station.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The schematic flow sheet of the power regulating method that Fig. 1 provides for the embodiment of the invention one;
One structural representation of the power adjustment apparatus that Fig. 2 provides for the embodiment of the invention two;
Another structural representation of the power adjustment apparatus that Fig. 3 provides for the embodiment of the invention two.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The schematic flow sheet of the power regulating method that Fig. 1 provides for the embodiment of the invention one, as shown in Figure 1, the power regulating method of present embodiment can may further comprise the steps:
Wherein, above-mentioned channel quality parameter can indicate (Channel Quality Indicator is called for short CQI), signal noise ratio (Signal to Noise Ratio is called for short SNR) etc. can reflect the parameter of channel quality for channel quality.
In this step, can be by the base station, for example: the evolved base station (Evolved NodeB is called for short eNodeB) in Long Term Evolution (Long Term Evolution the is called for short LTE) system etc., according to the dispatching sequence, determine current scheduled terminals.Particularly, can determine the dispatching sequence of terminal in the sub-district, also can determine the dispatching sequence of terminal in the sub-district, repeat no more herein with reference to other modes of the prior art according to the dispatching priority indication.
Further, before this step, can further include the step of the corresponding relation of setting up channel quality parameter and retransmission rate.Particularly, can be at different channel qualities, the retransmission rate of HARQ is dynamically arranged, rather than (for example: 10%): be fixed as same target value for the lower retransmission rate of channel setting of channel quality good (channel quality parameter height); Channel for bad channel quality (channel quality parameter is low) is provided with higher retransmission rate.Can be divided into n (n 〉=2) section, a corresponding n retransmission rate respectively to channel quality parameter in theory.For the method that makes the embodiment of the invention provide is clearer, below will be as an example with CQI.Wherein, the corresponding relation of CQI and retransmission rate can be as shown in table 1; The corresponding relation of CQI and retransmission rate can also be as shown in table 2.
The corresponding relation one of table 1CQI and retransmission rate
| CQI | Retransmission rate (%) |
| 25＜CQI≤30 | 5 |
| 20＜CQI≤25 | 10 |
| 15＜CQI≤20 | 15 |
| 10＜CQI≤15 | 20 |
| 5＜CQI≤10 | 25 |
| 0＜CQI≤5 | 30 |
The corresponding relation two of table 2CQI and retransmission rate
| CQI | Retransmission rate (%) |
| CQI≥25 | 1 |
| 20≤CQI＜25 | 5 |
| CQI＜20 | 10 |
Need to prove: concrete corresponding relation can be provided with flexibly according to actual conditions, is two examples that the embodiment of the invention provides more than, and the embodiment of the invention does not limit this.
In this step, the base station can be adjusted the down transmitting power of this terminal according to the retransmission rate of the channel quality parameter correspondence of current scheduled terminals.As the BLER of terminal during, can increase the down transmitting power of terminal greater than above-mentioned retransmission rate; As the BLER of terminal during, can reduce the down transmitting power of terminal less than above-mentioned retransmission rate.
In the present embodiment, the base station is by obtaining the channel quality parameter of current scheduled terminals in the sub-district, corresponding relation according to channel quality parameter and retransmission rate, obtain the retransmission rate corresponding with above-mentioned channel quality parameter, thereby make the base station according to the above-mentioned retransmission rate of obtaining, can adjust the down transmitting power of above-mentioned terminal, improve the dispatching flexibility of base station.Simultaneously, because the retransmission rate of the channel of bad channel quality is higher, the down transmitting power that can avoid ceaselessly increasing terminal in the prior art could make the BLER of terminal converge on fixedly retransmission rate of the prior art, thereby has improved descending throughput.
Further, the power regulating method of present embodiment can further include the step of the adjustment upper limit of the down transmitting power that obtains above-mentioned terminal, adjustment to the down transmitting power of above-mentioned terminal limits according to this adjustment upper limit for the base station, promptly as the BLER of terminal during greater than above-mentioned retransmission rate, increase the down transmitting power of this terminal, the down transmitting power of above-mentioned terminal is less than or equal to the above-mentioned adjustment upper limit, thereby avoided down transmitting power all is used for this terminal, the BLER of this terminal also can't reach the retransmission rate of the channel quality parameter correspondence of this terminal, has further improved the dispatching flexibility and the descending throughput of base station.
The power regulating method of present embodiment goes for multiple wireless access network, for example: evolved universal mobile communication system (Universal Mobile Telecommunication System, be called for short UMTS) land radio access web (Evolved Universal Mobile Telecommunication System Territorial Radio Access Network, abbreviation E-UTRAN), UMTS Terrestrial radio access network networks such as (UMTS Territorial Radio Access Network are called for short UTRAN).
Base station wherein can also be the equipment such as (NodeB) of the base station among the UTRAN for the evolved base station among the E-UTRAN (Evolved NodeB is called for short eNodeB) or family's evolved base station (Home Evolved NodeB is called for short HeNB).
Need to prove: for aforesaid each method embodiment, for simple description, so it all is expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not subjected to the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in the specification all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, do not have the part that describes in detail among certain embodiment, can be referring to the associated description of other embodiment.
One structural representation of the power adjustment apparatus that Fig. 2 provides for the embodiment of the invention two, as shown in Figure 2, the power adjustment apparatus of present embodiment can comprise first acquisition module 21, second acquisition module 22 and adjusting module 23.Wherein, first acquisition module 21 is used for obtaining the channel quality parameter of the current scheduled terminals in sub-district; Second acquisition module 22 is used for the corresponding relation according to channel quality parameter and retransmission rate, obtains the retransmission rate corresponding with above-mentioned channel quality parameter; Adjusting module 23 is used for according to above-mentioned retransmission rate the down transmitting power of above-mentioned terminal being adjusted.Wherein, above-mentioned channel quality parameter can reflect the parameter of channel quality for CQI, SNR etc.
Method can be realized by the power adjustment apparatus that the embodiment of the invention provides among the invention described above embodiment one.
As shown in Figure 3, the power adjustment apparatus of present embodiment can further include sets up module 31, be used to set up the corresponding relation of channel quality parameter and retransmission rate, according to this corresponding relation, obtain the retransmission rate corresponding with above-mentioned channel quality parameter for second acquisition module 22.Wherein, the corresponding relation of above-mentioned channel quality parameter and retransmission rate can for:
The retransmission rate of the channel that channel quality parameter is high is lower;
The retransmission rate of the channel that channel quality parameter is low is higher.
In the present embodiment, the base station obtains the channel quality parameter of current scheduled terminals in the sub-district by first acquisition module, by the corresponding relation of second acquisition module according to channel quality parameter and retransmission rate, obtain the retransmission rate corresponding with above-mentioned channel quality parameter, thereby make the above-mentioned retransmission rate that adjusting module obtains according to second acquisition module, can adjust the down transmitting power of above-mentioned terminal, improve the dispatching flexibility of base station.Simultaneously, because the retransmission rate of the channel of bad channel quality is higher, the down transmitting power that can avoid ceaselessly increasing terminal in the prior art could make the BLER of terminal converge on fixedly retransmission rate of the prior art, thereby has improved descending throughput.
Further, second acquisition module 22 in the present embodiment can also be further used for obtaining the adjustment upper limit of the down transmitting power of above-mentioned terminal, adjustment to the down transmitting power of above-mentioned terminal limits according to this adjustment upper limit for adjusting module 23, correspondingly, during above-mentioned retransmission rate that adjusting module 23 specifically can be used for obtaining greater than second acquisition module 22 as the BLER of terminal, increase the down transmitting power of this terminal, the down transmitting power of above-mentioned terminal is less than or equal to the above-mentioned adjustment upper limit, thereby avoided this terminal with the whole users of down transmitting power, the BLER of this terminal also can't reach the retransmission rate of the channel quality parameter correspondence of this terminal, has further improved the dispatching flexibility and the descending throughput of base station.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a power regulating method is characterized in that, comprising:
Obtain the channel quality parameter of current scheduled terminals in the sub-district;
According to the corresponding relation of channel quality parameter and retransmission rate, obtain the retransmission rate corresponding with described channel quality parameter;
According to described retransmission rate, the down transmitting power of described terminal is adjusted.
2. method according to claim 1 is characterized in that, described channel quality parameter comprises channel quality indication or signal noise ratio.
3. method according to claim 1 and 2 is characterized in that, the corresponding relation of described channel quality parameter and retransmission rate comprises:
The retransmission rate of the channel that channel quality parameter is high is lower;
The retransmission rate of the channel that channel quality parameter is low is higher.
4. method according to claim 1 and 2 is characterized in that, described method also comprises: the adjustment upper limit of obtaining the down transmitting power of described terminal;
Described according to described retransmission rate, the down transmitting power of described terminal is adjusted, comprising:
When the bLock error rate of described terminal during greater than described retransmission rate, increase the down transmitting power of described terminal, the down transmitting power of described terminal is less than or equal to the described adjustment upper limit.
5. a power adjustment apparatus is characterized in that, comprising:
First acquisition module is used for obtaining the channel quality parameter of the current scheduled terminals in sub-district;
Second acquisition module is used for the corresponding relation according to channel quality parameter and retransmission rate, obtains the retransmission rate corresponding with described channel quality parameter;
Adjusting module is used for according to described retransmission rate the down transmitting power of described terminal being adjusted.
6. device according to claim 5 is characterized in that, described channel quality parameter comprises channel quality indication or signal noise ratio.
7. according to claim 5 or 6 described devices, it is characterized in that the corresponding relation of described channel quality parameter and retransmission rate comprises:
The retransmission rate of the channel that channel quality parameter is high is lower;
The retransmission rate of the channel that channel quality parameter is low is higher.
8. according to claim 5 or 6 described devices, it is characterized in that described second acquisition module also is used to obtain the adjustment upper limit of the down transmitting power of described terminal;
Described adjusting module specifically is used for
When the bLock error rate of described terminal during greater than described retransmission rate, increase the down transmitting power of described terminal, the down transmitting power of described terminal is less than or equal to the described adjustment upper limit.
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| CN201110033981.6A CN102065534B (en) | 2011-01-31 | 2011-01-31 | Power adjustment method and device |
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| CN102065534B CN102065534B (en) | 2015-04-29 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102932895A (en) * | 2011-08-08 | 2013-02-13 | 宏达国际电子股份有限公司 | Method for controlling transmission power of wireless device |
| CN103688581A (en) * | 2013-10-30 | 2014-03-26 | 华为技术有限公司 | A method and a device for carrying out convergence on outer loop power control |
| CN105227265A (en) * | 2014-06-30 | 2016-01-06 | 华为技术有限公司 | Method and the transmitting terminal of signal is sent in a kind of machine type communication MTC system |
| CN105610543A (en) * | 2014-11-25 | 2016-05-25 | 中兴通讯股份有限公司 | Method and device for adjusting channel quality indicator (CQI) |
| CN106792462A (en) * | 2016-12-22 | 2017-05-31 | 深圳Tcl数字技术有限公司 | Bluetooth audio frequency transmits method of adjustment and device |
| CN108449164A (en) * | 2018-03-06 | 2018-08-24 | 江阴长仪集团有限公司 | The transmission method of distribution network automated information and distribution network automated terminal |
| CN109981545A (en) * | 2017-12-28 | 2019-07-05 | 北京松果电子有限公司 | Encoder bit rate adjusts device, method and electronic equipment |
| CN110875756A (en) * | 2018-08-29 | 2020-03-10 | 杭州海康威视数字技术股份有限公司 | Method and equipment for automatically adjusting transmitting power in frequency hopping communication |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1976535A (en) * | 2006-12-12 | 2007-06-06 | 华为技术有限公司 | Channel adaptive device and channel adaptive method |
| CN101132227A (en) * | 2006-08-23 | 2008-02-27 | 大唐移动通信设备有限公司 | Monitoring method and system for wireless communication signal channel quality |
| WO2008052780A1 (en) * | 2006-10-31 | 2008-05-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and arrangement for transmitting cqi on the uplink |
| CN101635588A (en) * | 2008-07-25 | 2010-01-27 | 鼎桥通信技术有限公司 | Power control method and device |
| CN101877624A (en) * | 2010-06-23 | 2010-11-03 | 中兴通讯股份有限公司 | Method for revising channel qualification identification CQI and base station |
-
2011
- 2011-01-31 CN CN201110033981.6A patent/CN102065534B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101132227A (en) * | 2006-08-23 | 2008-02-27 | 大唐移动通信设备有限公司 | Monitoring method and system for wireless communication signal channel quality |
| WO2008052780A1 (en) * | 2006-10-31 | 2008-05-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and arrangement for transmitting cqi on the uplink |
| CN1976535A (en) * | 2006-12-12 | 2007-06-06 | 华为技术有限公司 | Channel adaptive device and channel adaptive method |
| CN101635588A (en) * | 2008-07-25 | 2010-01-27 | 鼎桥通信技术有限公司 | Power control method and device |
| CN101877624A (en) * | 2010-06-23 | 2010-11-03 | 中兴通讯股份有限公司 | Method for revising channel qualification identification CQI and base station |
Cited By (16)
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|---|---|---|---|---|
| US9554333B2 (en) | 2011-08-08 | 2017-01-24 | Htc Corporation | Method for controlling transmission power of wireless device |
| US9137753B2 (en) | 2011-08-08 | 2015-09-15 | Htc Corporation | Method for controlling transmission power of wireless device |
| CN102932895A (en) * | 2011-08-08 | 2013-02-13 | 宏达国际电子股份有限公司 | Method for controlling transmission power of wireless device |
| CN103688581A (en) * | 2013-10-30 | 2014-03-26 | 华为技术有限公司 | A method and a device for carrying out convergence on outer loop power control |
| WO2015061994A1 (en) * | 2013-10-30 | 2015-05-07 | 华为技术有限公司 | Method and equipment for convergence of outer loop power control |
| CN103688581B (en) * | 2013-10-30 | 2017-08-11 | 华为技术有限公司 | It is a kind of that convergent method and apparatus is carried out to external circule power control |
| CN105227265A (en) * | 2014-06-30 | 2016-01-06 | 华为技术有限公司 | Method and the transmitting terminal of signal is sent in a kind of machine type communication MTC system |
| CN105227265B (en) * | 2014-06-30 | 2019-09-20 | 华为技术有限公司 | The method and transmitting terminal of signal are sent in a kind of machine type communication MTC system |
| CN105610543A (en) * | 2014-11-25 | 2016-05-25 | 中兴通讯股份有限公司 | Method and device for adjusting channel quality indicator (CQI) |
| CN106792462A (en) * | 2016-12-22 | 2017-05-31 | 深圳Tcl数字技术有限公司 | Bluetooth audio frequency transmits method of adjustment and device |
| CN106792462B (en) * | 2016-12-22 | 2020-05-22 | 深圳Tcl数字技术有限公司 | Bluetooth audio transmission adjusting method and device |
| CN109981545A (en) * | 2017-12-28 | 2019-07-05 | 北京松果电子有限公司 | Encoder bit rate adjusts device, method and electronic equipment |
| CN108449164A (en) * | 2018-03-06 | 2018-08-24 | 江阴长仪集团有限公司 | The transmission method of distribution network automated information and distribution network automated terminal |
| CN108449164B (en) * | 2018-03-06 | 2021-03-16 | 江阴长仪集团有限公司 | Transmission method of distribution network automation information and distribution network automation terminal |
| CN110875756A (en) * | 2018-08-29 | 2020-03-10 | 杭州海康威视数字技术股份有限公司 | Method and equipment for automatically adjusting transmitting power in frequency hopping communication |
| CN110875756B (en) * | 2018-08-29 | 2021-07-02 | 杭州海康威视数字技术股份有限公司 | Method and equipment for automatically adjusting transmitting power in frequency hopping communication |
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