CN105517138A - Gain adjustment method and apparatus - Google Patents
Gain adjustment method and apparatus Download PDFInfo
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- CN105517138A CN105517138A CN201410555079.4A CN201410555079A CN105517138A CN 105517138 A CN105517138 A CN 105517138A CN 201410555079 A CN201410555079 A CN 201410555079A CN 105517138 A CN105517138 A CN 105517138A
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- gain
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/52—TPC using AGC [Automatic Gain Control] circuits or amplifiers
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a gain adjustment method and apparatus. The method comprises the steps of for each channel, calculating the difference between channel rated full power and channel configuration power; adjusting target baseband gain and target radio frequency gain according to the calculated difference; and adjusting the current baseband gain as the target baseband gain, and adjusting the current radio frequency gain as the target radio frequency gain. Through the scheme of the invention, the current baseband gain and the current radio frequency gain are adjusted simultaneously according to the difference between the channel rated full power and the channel configuration power, and therefore the cell configuration power is enlarged. Further, the current radio frequency gain is calculated according to the power of a downlink sub frame of a baseband signal and a downlink sub frame of an antenna feeder signal which are located at the same position, and the reliability of the calculated current radio frequency gain is ensured.
Description
Technical field
The present invention relates to Long Term Evolution (LTE, LongTermEvolution) technology, espespecially a kind of method and apparatus adjusting gain.
Background technology
In LTE system (comprising time division duplex (TDD, TimeDivisionDuplexing) pattern and Frequency Division Duplexing (FDD) (FDD, FrequencyDivisionDuplexing) pattern), eNodeB belongs to wireless access part.ENodeB cell transmit power determines the coverage of base station, for solving covering problem or evading the requirement that the problems such as interference have some actives or automatic adjustment eNodeB cell power.
In LTE system, eNodeB comprises baseband module and radio-frequency module.When full business, the power that radio-frequency antenna mouth sends is consistent with cell configuration power.The frame structure of the basis radio frames of the actual emission power of LTE system small area.Each radio frames length of LTE system is 10 milliseconds (ms), and each subframe lengths is 1ms.10 subframes are had to may be used for downlink transfer for fdd mode.And different for the descending sub frame that " configuration of ascending-descending subframes switching point " that tdd mode is different is corresponding, general 0 work song frame, 5 work song frames are fixed as descending sub frame.The actual emission power of current area just can be obtained by the IQ value reading descending sub frame.
The method of existing adjustment gain roughly comprises:
Reference source sends test massage to radio-frequency module, determine that current radio frequency gain is receive the difference between the power of test signal and reference source power, if when the difference between current radio frequency gain and target radio frequency gain is more than or equal to preset value, then adjusting current radio frequency gain is target radio frequency gain; If when the difference between current radio frequency gain and target radio frequency gain is less than preset value, then keep current radio frequency gain constant.Based on the rf gain after adjustment, baseband gain declines along with the decline of cell configuration power.
Wherein, reference source can be the reference source of the base band reference source of power invariability or the power invariability of radio-frequency module structure; Target radio frequency gain is determined by the producer of radio-frequency module.
In the method for existing adjustment gain, because rf gain in adjustment process and cell configuration power have nothing to do, and baseband module represents that the bit bit wide of data is conditional, namely the scope of baseband gain has a definite limitation, if cell configuration power reduction, baseband gain will along with reduction, when baseband gain is reduced to a certain degree, the precision of baseband signal also can decrease, and the signal quality that radio frequency sends will decline.Thus cannot very low by cell configuration power setting, namely reduce cell configuration power bracket.
Summary of the invention
In order to solve the problem, the present invention proposes a kind of method and apparatus adjusting gain, cell configuration power bracket can be expanded.
In order to achieve the above object, the present invention proposes a kind of method adjusting gain, comprising:
For each passage, calculate the difference between passage rated full power and passage allocating power;
According to the difference adjustment aim baseband gain calculated and target radio frequency gain;
Current baseband gain is adjusted to target baseband gain, is target radio frequency gain by current radio frequency Gain tuning.
Preferably, the difference adjustment aim baseband gain that calculates of described basis and target radio frequency gain comprise:
The difference calculated described in judging is less than or equal to the difference between the maximum of described baseband gain and the minimum value of described baseband gain, and adjusting described target baseband gain is y1, and adjusting described target radio frequency gain is C;
Wherein, y1=Pc-M-N-C;
Wherein, Pc is described passage allocating power, M is described baseband signal power radio-frequency power corresponding when being 0 full scale relative level dBFS, and N is the maximum power of baseband signal, and C is the maximum of described rf gain.
Preferably, when the difference calculated described in judging is greater than the difference between the maximum of described baseband gain and the minimum value of described baseband gain, the difference adjustment aim baseband gain that described basis calculates and target radio frequency gain also comprise:
Adjusting described target baseband gain is A, and adjusting described target radio frequency gain is y2;
Wherein, y2=Pc-M-N-A;
Wherein, A is the minimum value of described baseband gain.
Preferably, the difference adjustment aim baseband gain that calculates of described basis and target radio frequency gain comprise:
The difference calculated described in judging is less than or equal to the difference between the maximum of described rf gain and the minimum value of described rf gain, and adjusting described target baseband gain is D, and adjusting described target radio frequency gain is y3;
Wherein, y3=Pc-M-N-D;
Wherein, D is the maximum of described baseband gain, and Pc is described passage allocating power, M is described baseband signal power radio-frequency power corresponding when being 0 full scale relative level dBFS, and N is the maximum power of baseband signal.
Preferably, when the difference calculated described in judging is greater than the difference between the maximum of described rf gain and the minimum value of described rf gain, the difference adjustment aim baseband gain that described basis calculates and target radio frequency gain also comprise:
Adjusting described target radio frequency gain is B, and adjusting described target baseband gain is y4;
Wherein, y4=Pc-M-N-B;
Wherein, B is the minimum value of described rf gain.
Preferably, described is that target radio frequency gain comprises by current radio frequency Gain tuning:
According to the power calculation current radio frequency gain of the descending sub frame of baseband signal and the descending sub frame of sky feedback signal that are positioned at same position, judge that the absolute value of the difference between the current radio frequency gain that calculates and target radio frequency gain is less than or equal to preset value, keep described current radio frequency gain constant.
Preferably, when the absolute value of the difference between the current radio frequency gain judging to calculate and target radio frequency gain is greater than preset value, described is that target radio frequency gain also comprises by current radio frequency Gain tuning:
Be target radio frequency gain by described current radio frequency Gain tuning.
The invention allows for a kind of device adjusting gain, at least comprise:
Business module, for for each passage, calculates the difference between passage rated full power and passage allocating power; According to the difference adjustment aim baseband gain calculated and target radio frequency gain;
Baseband module, for being adjusted to target baseband gain by current baseband gain;
Radio-frequency module, for being target radio frequency gain by current radio frequency Gain tuning.
Preferably, described business module specifically for:
For each passage, calculate the difference between passage rated full power and passage allocating power; The difference calculated described in judging is less than or equal to the difference between the maximum of described baseband gain and the minimum value of described baseband gain, and adjusting described target baseband gain is y1, and adjusting described target radio frequency gain is C;
Wherein, y1=Pc-M-N-C;
Wherein, Pc is described passage allocating power, M is described baseband signal power radio-frequency power corresponding when being 0 full scale relative level dBFS, and N is the maximum power of baseband signal, and C is the maximum of described rf gain.
Preferably, described business module also for:
The difference calculated described in judging is greater than the difference between the maximum of described baseband gain and the minimum value of described baseband gain, and adjusting described target baseband gain is A, and adjusting described target radio frequency gain is y2;
Wherein, y2=Pc-M-N-A;
Wherein, A is the minimum value of described baseband gain.
Preferably, described business module specifically for:
The difference calculated described in judging is less than or equal to the difference between the maximum of described rf gain and the minimum value of described rf gain, and adjusting described target baseband gain is D, and adjusting described target radio frequency gain is y3;
Wherein, y3=Pc-M-N-D;
Wherein, D is the maximum of described baseband gain, and Pc is described passage allocating power, M is described baseband signal power radio-frequency power corresponding when being 0 full scale relative level dBFS, and N is the maximum power of baseband signal.
Preferably, described business module also for:
The difference calculated described in judging is greater than the difference between the maximum of described rf gain and the minimum value of described rf gain, and adjusting described target radio frequency gain is B, and adjusting described target baseband gain is y4;
Wherein, y4=Pc-M-N-B;
Wherein, B is the minimum value of described rf gain.
Preferably, described radio-frequency module specifically for:
According to the power calculation current radio frequency gain of the descending sub frame of baseband signal and the descending sub frame of sky feedback signal that are positioned at same position, judge that the absolute value of the difference between the current radio frequency gain that calculates and target radio frequency gain is less than or equal to preset value, keep described current radio frequency gain constant.
Preferably, described radio-frequency module concrete also for:
Judging that the absolute value of the difference between the current radio frequency gain that calculates and target radio frequency gain is greater than preset value, is target radio frequency gain by described current radio frequency Gain tuning.
Compared with prior art, the present invention includes: for each passage, calculate the difference between passage rated full power and passage allocating power; According to the difference adjustment aim baseband gain calculated and target radio frequency gain; Current baseband gain is adjusted to target baseband gain, is target radio frequency gain by current radio frequency Gain tuning.By the solution of the present invention, adjust current baseband gain and current radio frequency gain according to the difference between passage rated full power and passage allocating power simultaneously, thus expand cell configuration power.
Further, according to the power calculation current radio frequency gain of the descending sub frame of baseband signal and the descending sub frame of sky feedback signal that are positioned at same position, ensure the reliability of the current radio frequency gain calculated.
Accompanying drawing explanation
Be described the accompanying drawing in the embodiment of the present invention below, the accompanying drawing in embodiment is for a further understanding of the present invention, is used from explanation the present invention, does not form limiting the scope of the invention with specification one.
Fig. 1 is the flow chart of the method for adjustment gain of the present invention;
Fig. 2 is the structure composition schematic diagram of the device of adjustment gain of the present invention.
Embodiment
For the ease of the understanding of those skilled in the art, below in conjunction with accompanying drawing, the invention will be further described, can not be used for limiting the scope of the invention.It should be noted that, when not conflicting, the various modes in the embodiment in the application and embodiment can combine mutually.
See Fig. 1, the present invention proposes a kind of method adjusting gain, comprising:
Step 100, for each passage, calculate the difference between passage rated full power and passage allocating power.
In this step, passage allocating power=cell configuration power-10lg (port number).
Such as, when passage rated full power is 37dBm, when passage allocating power is 10dBm, the difference calculated is 27dBm.
The difference adjustment aim baseband gain that step 101, basis calculate and target radio frequency gain.
In this step, comprise according to the difference adjustment aim baseband gain calculated and target radio frequency gain:
Judge that the difference calculated is less than or equal to the difference between the maximum D of baseband gain and the minimum value A of baseband gain, adjustment aim baseband gain is y1, and adjustment aim rf gain is C; Wherein, y1=Pc-M-N-C; Pc is passage allocating power, M is baseband signal power radio-frequency power corresponding when being 0 full scale relative level (dBFS, dBFullScale), and N is the maximum power of baseband signal, and C is the maximum of rf gain.
Judge that the difference calculated is greater than the difference between the maximum D of baseband gain and the minimum value A of baseband gain, adjustment aim baseband gain is A, and adjustment aim rf gain is y2; Wherein, y2=Pc-M-N-A; A is the minimum value of described baseband gain.
Such as, when A is-10dB, D is 0dB, Pc is 30dBm, M be 0dBm, N is-13dBFS, when C is 50dB, the difference (7dBm) calculated is less than the difference (10dB) of (D-A), then adjustment aim baseband gain is Pc-M-N-C=30dBm-0dBm-(-13dBFS)-50dB=-7dB, and adjustment aim rf gain is 50dB.
When Pc is 20dBm, the difference (17dB) calculated is greater than (D-A) (10dBm), then adjustment aim baseband gain is-10dB, and adjustment aim rf gain is Pc-M-N-A=20dBm-0dBm-(-13dBFS)-(-10dBm)=43dB.
Or, comprise according to the difference adjustment aim baseband gain calculated and target radio frequency gain:
Judge that the difference calculated is less than or equal to the difference between the maximum C of rf gain and the minimum value B of rf gain, adjustment aim baseband gain is D, and adjustment aim rf gain is y3; Wherein, y3=Pc-M-N-D.
Judge that the difference calculated is greater than the difference between the maximum C of rf gain and the minimum value B of rf gain, adjustment aim rf gain is B, and adjustment aim baseband gain is y4; Wherein, y4=Pc-M-N-B; B is the minimum value of rf gain.
Such as, when Pc is 10dBm, when B is 20dB, the difference (27dB) calculated is less than (C-B) (30dB), then adjustment aim baseband gain is 0dB, and adjustment aim rf gain is Pc-M-N-D=10dBm-0dBm-(-13dBFS)-0dB=23dB.
When Pc is 6dBm, the difference (31dB) calculated is greater than (C-B) (30dB), then adjustment aim rf gain is 20dB, and adjustment aim baseband gain is Pc-M-N-B=6dBm-0dBm-(-13dBFS)-20dB=-1dB.
Step 102, current baseband gain being adjusted to target baseband gain, is target radio frequency gain by current radio frequency Gain tuning.
In this step, can periodicity be target radio frequency gain by current radio frequency Gain tuning.
In this step, be that target radio frequency gain comprises by current radio frequency Gain tuning:
According to the power calculation current radio frequency gain of the descending sub frame of baseband signal and the descending sub frame of sky feedback signal that are positioned at same position, judge that the absolute value of the difference between the current radio frequency gain that calculates and target radio frequency gain is less than or equal to preset value, keep current radio frequency gain constant; Judging that the absolute value of the difference between the current radio frequency gain that calculates and target radio frequency gain is greater than preset value, is target radio frequency gain by current radio frequency Gain tuning.
Wherein, current radio frequency gain is that the power of the descending sub frame of day feedback signal deducts difference that is between the power of the descending sub frame of baseband signal and M and that obtain.
Wherein, the descending sub frame of baseband signal can be one or more, the descending sub frame of it feedback signal can be one or more, when for time multiple, the power of the descending sub frame of baseband signal is the mean value of the power of each descending sub frame, and the power of the descending sub frame of sky feedback signal is the mean value of the power of each descending sub frame.
Wherein, preset value can be 0.2 decibel (dB).
See Fig. 2, the present invention also proposes a kind of device adjusting gain, at least comprises:
Business module, for for each passage, calculates the difference between passage rated full power and passage allocating power; According to the difference adjustment aim baseband gain calculated and target radio frequency gain;
Baseband module, for being adjusted to target baseband gain by current baseband gain;
Radio-frequency module, for being target radio frequency gain by current radio frequency Gain tuning.
In device of the present invention, business module specifically for:
For each passage, calculate the difference between passage rated full power and passage allocating power; Judge that the difference calculated is less than or equal to the difference between the maximum of baseband gain and the minimum value of baseband gain, adjustment aim baseband gain is y1, and adjustment aim rf gain is C;
Wherein, y1=Pc-M-N-C;
Wherein, Pc is passage allocating power, M is baseband signal power radio-frequency power corresponding when being 0 full scale relative level dBFS, and N is the maximum power of baseband signal, and C is the maximum of rf gain.
In device of the present invention, business module also for:
Judge that the difference calculated is greater than the difference between the maximum of baseband gain and the minimum value of baseband gain, adjustment aim baseband gain is A, and adjustment aim rf gain is y2;
Wherein, y2=Pc-M-N-A;
Wherein, A is the minimum value of baseband gain.
In device of the present invention, business module specifically for:
Judge that the difference calculated is less than or equal to the difference between the maximum of rf gain and the minimum value of rf gain, adjustment aim baseband gain is D, and adjustment aim rf gain is y3;
Wherein, y3=Pc-M-N-D;
Wherein, D is the maximum of baseband gain, and Pc is passage allocating power, M is baseband signal power radio-frequency power corresponding when being 0 full scale relative level dBFS, and N is the maximum power of baseband signal.
In device of the present invention, business module also for:
Judge that the difference calculated is greater than the difference between the maximum of rf gain and the minimum value of rf gain, adjustment aim rf gain is B, and the gain of adjustment baseband radio is y4;
Wherein, y4=Pc-M-N-B;
Wherein, B is the minimum value of described rf gain.
In device of the present invention, radio-frequency module specifically for:
According to the power calculation current radio frequency gain of the descending sub frame of baseband signal and the descending sub frame of sky feedback signal that are positioned at same position, judge that the absolute value of the difference between the current radio frequency gain that calculates and target radio frequency gain is less than or equal to preset value, keep current radio frequency gain constant.
In device of the present invention, radio-frequency module specifically also for:
Judging that the absolute value of the difference between the current radio frequency gain that calculates and target radio frequency gain is greater than preset value, is target radio frequency gain by current radio frequency Gain tuning.
It should be noted that; above-described embodiment is only understand for the ease of those skilled in the art; be not limited to protection scope of the present invention; under the prerequisite not departing from inventive concept of the present invention, any apparent replacement and improvement etc. that those skilled in the art make the present invention are all within protection scope of the present invention.
Claims (14)
1. adjust a method for gain, it is characterized in that, comprising:
For each passage, calculate the difference between passage rated full power and passage allocating power;
According to the difference adjustment aim baseband gain calculated and target radio frequency gain;
Current baseband gain is adjusted to target baseband gain, is target radio frequency gain by current radio frequency Gain tuning.
2. method according to claim 1, is characterized in that, the difference adjustment aim baseband gain that described basis calculates and target radio frequency gain comprise:
The difference calculated described in judging is less than or equal to the difference between the maximum of described baseband gain and the minimum value of described baseband gain, and adjusting described target baseband gain is y1, and adjusting described target radio frequency gain is C;
Wherein, y1=Pc-M-N-C;
Wherein, Pc is described passage allocating power, M is described baseband signal power radio-frequency power corresponding when being 0 full scale relative level dBFS, and N is the maximum power of baseband signal, and C is the maximum of described rf gain.
3. method according to claim 2, it is characterized in that, when the difference calculated described in judging is greater than the difference between the maximum of described baseband gain and the minimum value of described baseband gain, the difference adjustment aim baseband gain that described basis calculates and target radio frequency gain also comprise:
Adjusting described target baseband gain is A, and adjusting described target radio frequency gain is y2;
Wherein, y2=Pc-M-N-A;
Wherein, A is the minimum value of described baseband gain.
4. method according to claim 1, is characterized in that, the difference adjustment aim baseband gain that described basis calculates and target radio frequency gain comprise:
The difference calculated described in judging is less than or equal to the difference between the maximum of described rf gain and the minimum value of described rf gain, and adjusting described target baseband gain is D, and adjusting described target radio frequency gain is y3;
Wherein, y3=Pc-M-N-D;
Wherein, D is the maximum of described baseband gain, and Pc is described passage allocating power, M is described baseband signal power radio-frequency power corresponding when being 0 full scale relative level dBFS, and N is the maximum power of baseband signal.
5. method according to claim 4, it is characterized in that, when the difference calculated described in judging is greater than the difference between the maximum of described rf gain and the minimum value of described rf gain, the difference adjustment aim baseband gain that described basis calculates and target radio frequency gain also comprise:
Adjusting described target radio frequency gain is B, and adjusting described target baseband gain is y4;
Wherein, y4=Pc-M-N-B;
Wherein, B is the minimum value of described rf gain.
6. method according to claim 1, is characterized in that, described is that target radio frequency gain comprises by current radio frequency Gain tuning:
According to the power calculation current radio frequency gain of the descending sub frame of baseband signal and the descending sub frame of sky feedback signal that are positioned at same position, judge that the absolute value of the difference between the current radio frequency gain that calculates and target radio frequency gain is less than or equal to preset value, keep described current radio frequency gain constant.
7. method according to claim 6, is characterized in that, when the absolute value of the difference between the current radio frequency gain judging to calculate and target radio frequency gain is greater than preset value, described is that target radio frequency gain also comprises by current radio frequency Gain tuning:
Be target radio frequency gain by described current radio frequency Gain tuning.
8. adjust a device for gain, it is characterized in that, at least comprise:
Business module, for for each passage, calculates the difference between passage rated full power and passage allocating power; According to the difference adjustment aim baseband gain calculated and target radio frequency gain;
Baseband module, for being adjusted to target baseband gain by current baseband gain;
Radio-frequency module, for being target radio frequency gain by current radio frequency Gain tuning.
9. device according to claim 8, is characterized in that, described business module specifically for:
For each passage, calculate the difference between passage rated full power and passage allocating power; The difference calculated described in judging is less than or equal to the difference between the maximum of described baseband gain and the minimum value of described baseband gain, and adjusting described target baseband gain is y1, and adjusting described target radio frequency gain is C;
Wherein, y1=Pc-M-N-C;
Wherein, Pc is described passage allocating power, M is described baseband signal power radio-frequency power corresponding when being 0 full scale relative level dBFS, and N is the maximum power of baseband signal, and C is the maximum of described rf gain.
10. device according to claim 9, is characterized in that, described business module also for:
The difference calculated described in judging is greater than the difference between the maximum of described baseband gain and the minimum value of described baseband gain, and adjusting described target baseband gain is A, and adjusting described target radio frequency gain is y2;
Wherein, y2=Pc-M-N-A;
Wherein, A is the minimum value of described baseband gain.
11. devices according to claim 8, is characterized in that, described business module specifically for:
The difference calculated described in judging is less than or equal to the difference between the maximum of described rf gain and the minimum value of described rf gain, and adjusting described target baseband gain is D, and adjusting described target radio frequency gain is y3;
Wherein, y3=Pc-M-N-D;
Wherein, D is the maximum of described baseband gain, and Pc is described passage allocating power, M is described baseband signal power radio-frequency power corresponding when being 0 full scale relative level dBFS, and N is the maximum power of baseband signal.
12. devices according to claim 11, is characterized in that, described business module also for:
The difference calculated described in judging is greater than the difference between the maximum of described rf gain and the minimum value of described rf gain, and adjusting described target radio frequency gain is B, and adjusting described target baseband gain is y4;
Wherein, y4=Pc-M-N-B;
Wherein, B is the minimum value of described rf gain.
13. devices according to claim 8, is characterized in that, described radio-frequency module specifically for:
According to the power calculation current radio frequency gain of the descending sub frame of baseband signal and the descending sub frame of sky feedback signal that are positioned at same position, judge that the absolute value of the difference between the current radio frequency gain that calculates and target radio frequency gain is less than or equal to preset value, keep described current radio frequency gain constant.
14. devices according to claim 13, is characterized in that, described radio-frequency module concrete also for:
Judging that the absolute value of the difference between the current radio frequency gain that calculates and target radio frequency gain is greater than preset value, is target radio frequency gain by described current radio frequency Gain tuning.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410555079.4A CN105517138A (en) | 2014-10-17 | 2014-10-17 | Gain adjustment method and apparatus |
| PCT/CN2015/078891 WO2016058375A1 (en) | 2014-10-17 | 2015-05-13 | Method and device for gain adjustment |
| JP2017516822A JP6426281B2 (en) | 2014-10-17 | 2015-05-13 | Gain adjustment method, apparatus, program, and recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410555079.4A CN105517138A (en) | 2014-10-17 | 2014-10-17 | Gain adjustment method and apparatus |
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| Publication Number | Publication Date |
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| CN105517138A true CN105517138A (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410555079.4A Withdrawn CN105517138A (en) | 2014-10-17 | 2014-10-17 | Gain adjustment method and apparatus |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6426281B2 (en) |
| CN (1) | CN105517138A (en) |
| WO (1) | WO2016058375A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107889204A (en) * | 2016-09-29 | 2018-04-06 | 中兴通讯股份有限公司 | A kind of ascending power dynamic adjusting method and device |
| WO2022062993A1 (en) * | 2020-09-22 | 2022-03-31 | 紫光展锐(重庆)科技有限公司 | Gain parameter adjusting method and apparatus, and device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114209312A (en) * | 2021-12-02 | 2022-03-22 | 广州众诺电子技术有限公司 | Adaptive gain adjustment method, device, central processing unit and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001082511A2 (en) * | 2000-04-24 | 2001-11-01 | Telefonaktiebolaget Lm Ericsson (Publ) | Frequency selective rf output power calibration using digital and analog power measurements for use in a cellular telecommunications system |
| CN101437281A (en) * | 2008-12-19 | 2009-05-20 | 中兴通讯股份有限公司 | Method and system for power calibration in multi-carrier system |
| CN101616474A (en) * | 2008-06-25 | 2009-12-30 | 联发科技股份有限公司 | Communication system, transmitted power level controller and correlation technique thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3473693B2 (en) * | 2000-07-19 | 2003-12-08 | 日本電気株式会社 | Method and apparatus for adjusting transmission power of CDMA terminal |
| JP5304559B2 (en) * | 2009-09-15 | 2013-10-02 | 富士通株式会社 | WIRELESS TERMINAL, TRANSMISSION POWER CALCULATION METHOD IN WIRELESS TERMINAL, AND COMPUTER PROGRAM |
-
2014
- 2014-10-17 CN CN201410555079.4A patent/CN105517138A/en not_active Withdrawn
-
2015
- 2015-05-13 WO PCT/CN2015/078891 patent/WO2016058375A1/en active Application Filing
- 2015-05-13 JP JP2017516822A patent/JP6426281B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001082511A2 (en) * | 2000-04-24 | 2001-11-01 | Telefonaktiebolaget Lm Ericsson (Publ) | Frequency selective rf output power calibration using digital and analog power measurements for use in a cellular telecommunications system |
| CN101616474A (en) * | 2008-06-25 | 2009-12-30 | 联发科技股份有限公司 | Communication system, transmitted power level controller and correlation technique thereof |
| CN101437281A (en) * | 2008-12-19 | 2009-05-20 | 中兴通讯股份有限公司 | Method and system for power calibration in multi-carrier system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107889204A (en) * | 2016-09-29 | 2018-04-06 | 中兴通讯股份有限公司 | A kind of ascending power dynamic adjusting method and device |
| WO2022062993A1 (en) * | 2020-09-22 | 2022-03-31 | 紫光展锐(重庆)科技有限公司 | Gain parameter adjusting method and apparatus, and device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017529805A (en) | 2017-10-05 |
| JP6426281B2 (en) | 2018-11-21 |
| WO2016058375A1 (en) | 2016-04-21 |
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