WO2014161279A1 - Procédé et système de commande de puissance de boucle interne pour terminal - Google Patents

Procédé et système de commande de puissance de boucle interne pour terminal Download PDF

Info

Publication number
WO2014161279A1
WO2014161279A1 PCT/CN2013/084129 CN2013084129W WO2014161279A1 WO 2014161279 A1 WO2014161279 A1 WO 2014161279A1 CN 2013084129 W CN2013084129 W CN 2013084129W WO 2014161279 A1 WO2014161279 A1 WO 2014161279A1
Authority
WO
WIPO (PCT)
Prior art keywords
power
power control
abnormal point
compensation
control abnormal
Prior art date
Application number
PCT/CN2013/084129
Other languages
English (en)
Chinese (zh)
Inventor
牛慧
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2014161279A1 publication Critical patent/WO2014161279A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/26—Monitoring; Testing of receivers using historical data, averaging values or statistics
    • 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
    • H04W52/06—TPC algorithms
    • H04W52/12—Outer and inner loops
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • H04B17/13—Monitoring; Testing of transmitters for calibration of power amplifiers, e.g. gain or non-linearity
    • 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
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/362—Aspects of the step size
    • 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

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method and system for controlling inner loop power of a terminal. Background technique
  • WCDMA Wideband Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • inner loop power control is one of the most demanding power control techniques.
  • the current performance affecting the terminal power control performance is mainly the linear performance of the PA (Power Amplifier).
  • the factors affecting the linear performance of PA are mainly as follows. First, when the PA is in the multi-gain mode, the output power near the PA gain switching point tends to exceed the linear range. Second, the gain of the PA is significantly affected by the temperature variation. Since the terminal works in a different temperature environment and the PA itself generates heat during operation, the influence of temperature factors is difficult to avoid. And precisely because of the sensitivity of the PA to temperature, the inner loop power control is also sensitive to temperature. Therefore, the power deviation caused by the PA gain switching and the operating temperature change will affect the power control, which in turn affects the user's service quality.
  • the present invention is directed to a method and system for controlling the power of a terminal inner loop to ensure that the terminal has good consistency of inner loop power control.
  • a method for power control of a terminal inner loop comprising:
  • test data of each gain level at different temperatures of the terminal is sequentially collected;
  • the step of determining, according to the test data, the power compensation values of the respective power control abnormal points at different temperatures and different gain levels comprises:
  • the power control abnormal point is re-tested and compensated until the measured power compensation value of the power control abnormal point is less than a preset power compensation threshold, and all the power compensation values are accumulated to obtain the The power compensation value of the power control abnormal point.
  • the step of determining the power of the power control abnormal point using the temperature compensation or power gain switching point comprises:
  • the method further includes: testing a plurality of the terminals to obtain an average value of power compensation values of each power control abnormal point of the plurality of terminals at different temperatures and different gain levels as a final point of the corresponding power control abnormal point Power compensation value.
  • the power compensation value is a difference between a relative power value of the power control abnormal point and a preset relative power value threshold.
  • the power control abnormal point is a power point whose step length exceeds a prescribed step size.
  • the reference channel of the terminal is tested and adjusted to obtain a power compensation value less than a preset power threshold, and the other channel powers are correspondingly performed.
  • the steps of performing frequency compensation on other channel powers include:
  • the present invention also provides a system for controlling the power of a terminal inner loop, the system comprising: an acquisition unit configured to sequentially collect test data of respective gain levels at different temperatures of the terminal after the terminal is calibrated at a normal temperature;
  • the processing unit is configured to determine, according to the test data, a power compensation value of each power control abnormal point at different temperature and different gain levels;
  • the compensation unit is configured to compensate the power of the power control abnormal point according to the power compensation value obtained by the processing unit.
  • the processing unit is configured to determine different temperatures and not according to the test data And the temperature and gain level corresponding to each power control abnormal point in the gain level, and determining to use the temperature compensation or the power gain switching point to compensate the power of the power control abnormal point and the specific power compensation value, and the obtained power compensation is applied.
  • the value compensates the power corresponding to the corresponding power control abnormal point of the terminal, and after the compensation, retests and compensates the power control abnormal point until the measured power compensation value of the power control abnormal point is less than the preset
  • the power compensation threshold value is obtained by accumulating all the power compensation values to obtain the power compensation value of the power control abnormal point.
  • the processing unit is configured to determine, according to the test data, a temperature and a gain level corresponding to each power control abnormal point at different temperatures and different gain levels, and determine to compensate the power by using a temperature compensation or a power gain switching point.
  • Controlling the power of the abnormal point and the specific power compensation value applying the obtained power compensation value to compensate the power corresponding to the abnormal power control abnormal point of the terminal, and after the compensation, retesting the power control abnormal point and Compensating until the measured power compensation value of the power control abnormal point is less than a preset power compensation threshold, and accumulating all the power compensation values to obtain a power compensation value of the power control abnormal point
  • determining the use temperature Compensating or power gain switching point compensating for power of the power control abnormal point includes: when the power control abnormal point appears in a process of decreasing from a maximum transmission power by a prescribed step size to a minimum transmission power, and transmitting from a minimum Power is increased one by one to the maximum power in a specified step In the process, the power is used to
  • the processing unit is further configured to test a plurality of the terminals to obtain an average value of power compensation values of each power control abnormal point of the plurality of terminals at different temperatures and different gain levels as corresponding power control The final power compensation value of the abnormal point.
  • the power compensation value is a difference between a relative power value of the power control abnormal point and a preset relative power value threshold.
  • the power control abnormal point is a power point whose step length exceeds a prescribed step size.
  • the processing unit is further configured to: when the terminal requires power control of multiple channels to meet the requirements, test and adjust the reference channel of the terminal to obtain a power compensation value smaller than a preset power threshold. After that, the other channel powers are compensated accordingly, wherein the frequency compensation corresponding to the other channel powers includes: collecting power values of different gain levels in other channels, and collecting the power values and the power values of the reference channels of the corresponding gain levels. Compare, obtain the difference of the relative power as the frequency compensation value for frequency compensation, re-test after compensation, continue to adjust according to the difference of the relative power of the test, until the measured relative power difference is less than the preset power difference threshold value.
  • the invention calculates and saves the power compensation value of the power control abnormal point that needs to be power adjusted by collecting test data of each gain level at different temperatures of the terminal, and when used, according to the specific power compensation value corresponding to the temperature, channel and gain level The terminal is compensated to ensure that the terminal has good consistency of inner loop power control.
  • FIG. 1 is a flowchart of a method for controlling inner loop power of a terminal according to Embodiment 1 of the present invention
  • FIG. 2 is a schematic diagram of correspondence between temperature and gain levels according to Embodiments 1 and 2 of the present invention
  • FIG. 3 is a schematic diagram of a terminal according to Embodiment 2 of the present invention
  • FIG. 4 is a schematic diagram of a corresponding relationship between a channel and a gain level according to Embodiment 2 of the present invention
  • FIG. 5 is a flowchart of a method for frequency compensation of a terminal inner loop power control according to Embodiment 2 of the present invention
  • 6 is a flowchart of another frequency compensation method for terminal inner loop power control according to Embodiment 2 of the present invention
  • FIG. 7 is a schematic diagram of a terminal inner loop power control system according to Embodiment 3 of the present invention.
  • the embodiment of the invention provides a method for controlling the power of the inner loop of the terminal. Referring to FIG. 1, the method:
  • the test data collected is a power value of each gain level at different temperatures of the terminal.
  • the corresponding relationship between the test data of each gain level and the corresponding temperature compensation value X iN at each temperature point in the embodiment of the present invention is specifically as shown in FIG. 2 .
  • This step specifically includes:
  • the power control abnormal point is re-tested and compensated until the measured power compensation value of the power control abnormal point is less than a preset power compensation threshold, and all the power compensation values are accumulated to obtain the The power compensation value of the power control abnormal point. That is, the embodiment of the present invention repeatedly tests and compensates the power of the abnormal point of the power control, and finally makes the power compensation value of the measured power control abnormal point smaller than the preset power compensation threshold, and then accumulates all the power compensation values.
  • the power compensation value X iN of the power control abnormal point is obtained.
  • the determining, in the embodiment of the present invention, the step of using the temperature compensation or the power gain switching point to compensate the power of the power control abnormal point includes:
  • the power control abnormal point occurs during the process of decreasing the maximum transmission power one by one to the minimum transmission power by a prescribed step size, and occurs during the process of increasing the maximum transmission power from the minimum transmission power to the maximum power one by one, then The power is used to compensate for the power control abnormal point power, otherwise the power gain switching point is used to compensate for the power control abnormal point power.
  • the embodiment of the present invention further tests the plurality of the terminals to obtain an average value of power compensation values of each power control abnormal point of the plurality of terminals at different temperatures and different gain levels as a final point of the corresponding power control abnormal point.
  • the power compensation value thereby more accurately determining the power compensation value of each power control abnormal point.
  • the power compensation value in the embodiment of the present invention is a difference between a relative power value of the power control abnormal point and a preset relative power value threshold.
  • the power control abnormal point in the embodiment of the present invention is a power point whose step length exceeds a predetermined step.
  • the power compensation value of the power control abnormal point that needs to be power adjusted is calculated and saved by collecting test data of each gain level at different temperatures of the terminal.
  • the power compensation value corresponding to the specific temperature and gain level is used.
  • the terminal is compensated to ensure that the terminal has good consistency of inner loop power control.
  • An embodiment of the present invention provides a method for controlling inner loop power of a terminal. Referring to FIG. 3, the method is provided. Temperature compensation, including:
  • the terminal After the calibration, the terminal establishes a connection with the wireless communication tester, and firstly causes the terminal to enter the maximum power state first at the beginning of the automatic test, because discussing the low temperature is not significant to the terminal working state, so in this embodiment, the terminal is Starting from normal temperature, it is described as an example of long-term work or a gradual high temperature due to an increase in ambient temperature.
  • test data of each gain level at different temperatures of the terminal in sequence; in the embodiment of the present invention, test data of each gain level at a temperature point set in step S302, temperature point, gain level, and corresponding temperature are collected.
  • the correspondence between the compensation values X iN is specifically as shown in FIG. 2 .
  • the power control abnormal point occurs during the process of decreasing the maximum transmission power one by one to the minimum transmission power by a prescribed step size, and occurs during the process of increasing the maximum transmission power from the minimum transmission power to the maximum power one by one, then The power is compensated for the power control abnormal point, otherwise the power gain switching point is compensated for the power of the power control abnormal point.
  • the power compensation value in the embodiment of the present invention is a relative power of the power control abnormal point.
  • the power control abnormal point in the embodiment of the present invention is a power point whose step length exceeds a predetermined step.
  • the power control abnormal point is re-tested and compensated, and the power compensation value of the power control abnormal point is less than the preset power compensation threshold, and all power compensation is performed.
  • the value is accumulated to obtain the power compensation value of the power control abnormal point; that is, the power of the abnormal point of the measured power control abnormal point is determined by the embodiment of the present invention, and the power compensation value of the measured power control abnormal point is less than the preset power.
  • the compensation threshold value is added, and then all the power compensation values are accumulated to obtain the power compensation value X iN of the power control abnormal point.
  • Step 1 parameter configuration, set RF parameters and other parameters such as meters, and set the temperature point information to be tested.
  • setting N test temperature points, respectively, is a corresponding list of T 2 ⁇ ⁇ ; values;
  • Step 3 After the calibration, the terminal establishes a connection with the wireless communication tester;
  • step 4 the program automatically enables the temperature monitoring unit.
  • the temperature monitoring unit can use the thermistor inside the radio frequency chip or the terminal itself to obtain the temperature information, because the temperature compensation is done on the terminal. The compensation of the transmission link, so how to obtain the temperature information is not important.
  • the unit monitors the actual temperature when the terminal is working. When the terminal temperature reaches the set temperature, such as ⁇ , the program issues an internal loop power test command to the meter, after which the temperature monitoring unit suspends operation.
  • Step 5 The inner loop power test starts, the data acquisition unit starts collecting test data, and stores the collected data into the database. After the test and the data acquisition are completed, the terminal returns to the maximum power state, and sends a request to the temperature monitor. unit.
  • Step 6 Repeat steps 4 and 5 until all the test information corresponding to the set temperature is collected.
  • the program jumps out of the loop and enters the data processing unit.
  • Step 7 in the data processing unit, the collected data is analyzed to determine whether there is a power point whose step length exceeds a predetermined step; if there is no such power point, the output power compensation result is the original value, and the program ends. .
  • Step 8 If it is determined that there is a power point whose step size exceeds the specified step size, it is considered that there is a problem in the inner loop power control, and the transmit power needs to be adjusted, and the program further determines that the maximum transmit power is reduced from the maximum transmit power to the minimum step by step. This power point that occurs during the transmission of power occurs during the process of increasing the maximum transmission power from the specified transmission step to the maximum power. Is there a point in both processes that exceeds the specified step size at the same power point? nearby. This is to determine whether temperature compensation is required.
  • Step 9 If there are two points in the process that exceed the specified step size at the same power point, because the temperature compensation is compensation for the entire gain level, enter the temperature compensation program; otherwise, enter the power amplifier (PA, Power Amplifier)
  • PA Power Amplifier
  • the gain switching point compensation procedure is because the PA gain switching point compensation is used to compensate for the occurrence of power control deviation in only one of the above processes due to factors such as the nonlinearity of the PA itself.
  • Step 10 after the calculated compensation value is written into the memory, the power is turned off to restart the terminal;
  • step 11 the above steps 2 to 10 are repeated until the program judges that there is no problem in the inner loop power control, and the transmission power does not need to be adjusted.
  • the obtained optimal power compensation value is output, and the program ends.
  • the reference channel of the terminal is tested and adjusted to obtain a power compensation value less than a preset power threshold, and then the gain levels of the other channels are sequentially collected. Test the data and perform power compensation.
  • FIG. 5 is a flowchart of a frequency compensation method for terminal inner loop power control. As shown in FIG. 5, it includes:
  • S501 setting radio frequency parameters and configuring other parameters, and setting information of channels to be tested; for example, setting N test frequency points, respectively, F 2 F N ; a corresponding list of gain control (AGC, Automatic Generation Control) values;
  • AGC Automatic Generation Control
  • S504 Determine, according to the test data, a frequency compensation value of each power control abnormal point under different channels and different gain levels, and save the value;
  • the step includes: collecting power values of different gain levels in other channels, comparing the collected power values with the power values of the reference channels of the corresponding gain levels, and obtaining a difference between the relative powers as a frequency compensation value for frequency compensation and compensation. After retesting, the adjustment is continued according to the difference of the relative power of the test until the measured relative power difference is less than the preset power difference threshold.
  • the terminal is compensated according to the specific gain level and the frequency compensation value corresponding to the channel.
  • the frequency compensation is specifically shown in Figure 6. After the reference channel power control meets the requirements, this method can be used to test other channels with power control requirements, and then the adjustment amount is calculated according to the test result, and the corresponding frequency compensation term is written.
  • the chip automatically calls the compensation value under the corresponding channel to compensate the terminal transmit power according to the frequency compensation term. Thereby ensuring the power control of the terminal on different channels.
  • the implementation process of the frequency compensation is similar to the implementation of the above temperature compensation, and the description will not be repeated here. Example 3
  • a terminal inner loop power control system see Figure 7, the system includes:
  • the collecting unit is configured to sequentially collect test data of each gain level at different temperatures of the terminal after the terminal is calibrated at normal temperature;
  • the processing unit is configured to determine, according to the test data, a power compensation value of each power control abnormal point at different temperature and different gain levels;
  • the compensation unit is configured to compensate the power of the power control abnormal point according to the power compensation value obtained by the processing unit.
  • the power compensation value is a difference between a relative power value of the power control abnormal point and a preset relative power value threshold.
  • the power control abnormal point is a power point whose step length exceeds a prescribed step size.
  • the acquisition unit, the processing unit, and the compensation unit can all be implemented by a processor, a microprocessor, an FPGA, a DSP, or the like.
  • the processing unit is configured to determine, according to the test data, a temperature and a gain level corresponding to each power control abnormal point at different temperatures and different gain levels, and determine to use the temperature compensation or the power gain switching point to compensate the power of the power control abnormal point And the specific power compensation value, applying the obtained power compensation value to compensate the power corresponding to the abnormal power control abnormal point of the terminal, and after the compensation, retesting and compensating the power control abnormal point until the measurement is performed.
  • the power compensation value of the power control abnormal point is less than a preset power compensation threshold, and all power compensation values are accumulated to obtain a power compensation value of the power control abnormal point.
  • the processing unit is configured to determine, according to the test data, a temperature and a gain level corresponding to each power control abnormal point at different temperatures and different gain levels, and determine to use the temperature compensation or the power gain switching point to compensate the power of the power control abnormal point And specific power compensation values, Applying the obtained power compensation value to compensate the power corresponding to the corresponding power control abnormal point of the terminal, and after the compensation, retesting and compensating the power control abnormal point until the measured power control abnormal point
  • the power compensation value is less than the preset power compensation threshold, and all the power compensation values are accumulated to obtain a power compensation value of the power control abnormal point, wherein determining to use the temperature compensation or the power gain switching point to compensate the power control abnormality
  • the power of the point includes: when the power control abnormal point occurs in the process of decreasing from the maximum transmission power one by one to the minimum transmission power, and increasing from the minimum transmission power by a prescribed step by step to the maximum power In the process, the power is used to compensate the power control abnormal point power, otherwise the power gain switching point is used
  • the processing unit is further configured to test a plurality of the terminals to obtain an average value of power compensation values of each power control abnormal point of the plurality of terminals at different temperatures and different gain levels as a corresponding power control abnormal point. The final power compensation value.
  • the processing unit is further configured to: when the terminal requires power control of multiple channels to meet the requirements, test and adjust the reference channel of the terminal to obtain a power compensation value less than a preset power threshold, and then use other channels.
  • the power is compensated accordingly, wherein the frequency compensation corresponding to the other channel powers includes: collecting power values of different gain levels in other channels, and comparing the collected power values with the power values of the reference channels of the corresponding gain levels to obtain relative The difference of the power is used as the frequency compensation value for frequency compensation.
  • the test is re-tested, and the difference between the relative powers of the test is continued until the measured relative power difference is less than the preset power difference threshold.
  • the present invention provides a method and system for power control of a terminal inner loop.
  • the present invention calculates and saves power of an abnormal power control point that requires power adjustment by collecting test data of various gain levels at different temperatures of the terminal. Compensation value, when used, according to the specific temperature, The power compensation value corresponding to the channel and the gain level compensates the terminal, thereby ensuring that the terminal has good consistency of inner loop power control.
  • the invention calculates and saves the power compensation value of the power control abnormal point that needs to be power adjusted by collecting test data of each gain level at different temperatures of the terminal, and when used, according to the specific power compensation value corresponding to the temperature, channel and gain level The terminal is compensated to ensure that the terminal has good consistency of inner loop power control.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Probability & Statistics with Applications (AREA)
  • Nonlinear Science (AREA)
  • Transmitters (AREA)

Abstract

La présente invention concerne un procédé et un système de commande de puissance de boucle interne pour terminal. Le procédé comprend les étapes suivantes : après étalonnage à température ambiante, un terminal collecte séquentiellement des données de test à chaque niveau de gain et à différentes températures ; conformément aux données de test, on détermine une valeur de compensation de la puissance en chaque point anormal de commande de puissance à différents niveaux de gain et à différentes températures ; et on utilise la valeur de compensation de la puissance pour effectuer une compensation correspondante de la puissance au point anormal de commande de puissance. Le système comprend une unité de collecte, une unité de traitement et une unité de compensation. En collectant des données de test d'un terminal à chaque niveau et à des températures différentes, et en calculant et sauvegardant une valeur de compensation de la puissance d'un point anormal de commande de puissance nécessitant d'effectuer un ajustement de la puissance, lors de l'utilisation, la présente invention compense le terminal en fonction de la valeur de compensation de la puissance correspondant à une température et à un niveau de gain spécifiques, garantissant ainsi une cohérence de la commande de puissance de boucle interne du terminal.
PCT/CN2013/084129 2013-07-17 2013-09-24 Procédé et système de commande de puissance de boucle interne pour terminal WO2014161279A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310300523.3 2013-07-17
CN201310300523.3A CN104301978A (zh) 2013-07-17 2013-07-17 终端内环功率控制的方法及系统

Publications (1)

Publication Number Publication Date
WO2014161279A1 true WO2014161279A1 (fr) 2014-10-09

Family

ID=51657473

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/084129 WO2014161279A1 (fr) 2013-07-17 2013-09-24 Procédé et système de commande de puissance de boucle interne pour terminal

Country Status (2)

Country Link
CN (1) CN104301978A (fr)
WO (1) WO2014161279A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106468601A (zh) * 2016-09-14 2017-03-01 上海为准电子科技有限公司 一种温度校准的方法及装置
CN106851804B (zh) * 2017-02-21 2019-05-17 Oppo广东移动通信有限公司 移动终端内环功率控制方法、装置及计算机设备
CN106793048B (zh) * 2017-03-10 2019-11-19 普联技术有限公司 终端内环功率控制的优化方法及系统
CN107018561A (zh) * 2017-04-24 2017-08-04 深圳天珑无线科技有限公司 一种内环功率控制优化方法及装置
CN109188072A (zh) * 2018-07-13 2019-01-11 中国船舶重工集团公司第七〇九研究所 一种功率检测装置、雷达系统
CN110012529B (zh) * 2019-03-13 2022-03-15 维沃移动通信有限公司 一种增益模式切换方法和移动终端
CN111615181A (zh) * 2020-04-14 2020-09-01 福州瑞芯微电子股份有限公司 一种功率放大器内环功控指标优化的方法、装置、设备和介质

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1268011A (zh) * 1999-03-20 2000-09-27 三星电子株式会社 无线通信终端中按温度补偿计算电功率控制用码值的方法
KR20060057389A (ko) * 2004-11-23 2006-05-26 엘지전자 주식회사 Ｒｆ전력 제어장치
CN1812271A (zh) * 2005-01-27 2006-08-02 Lg电子株式会社 控制移动通信终端中传输功率的装置及其方法
CN1874176A (zh) * 2005-05-31 2006-12-06 中兴通讯股份有限公司 一种个人手持电话系统功率控制方法及装置
CN102149178A (zh) * 2010-02-08 2011-08-10 联芯科技有限公司 移动终端功率的温度补偿方法和装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004334983A (ja) * 2003-05-08 2004-11-25 Sony Corp 記録再生装置、記録再生方法
CN1929347B (zh) * 2005-09-06 2010-10-06 中兴通讯股份有限公司 码分多址手机校准中实时温度补偿的方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1268011A (zh) * 1999-03-20 2000-09-27 三星电子株式会社 无线通信终端中按温度补偿计算电功率控制用码值的方法
KR20060057389A (ko) * 2004-11-23 2006-05-26 엘지전자 주식회사 Ｒｆ전력 제어장치
CN1812271A (zh) * 2005-01-27 2006-08-02 Lg电子株式会社 控制移动通信终端中传输功率的装置及其方法
CN1874176A (zh) * 2005-05-31 2006-12-06 中兴通讯股份有限公司 一种个人手持电话系统功率控制方法及装置
CN102149178A (zh) * 2010-02-08 2011-08-10 联芯科技有限公司 移动终端功率的温度补偿方法和装置

Also Published As

Publication number Publication date
CN104301978A (zh) 2015-01-21

Similar Documents

Publication Publication Date Title
WO2014161279A1 (fr) Procédé et système de commande de puissance de boucle interne pour terminal
CN101188463A (zh) 一种cdma接收机功率校准与实时校正装置及其实现方法
US6760567B1 (en) Apparatus and method for measuring quality of a reverse link in a CDMA system
KR101564280B1 (ko) 통신 시스템에서의 전송 전력 교정
EP3783817B1 (fr) Système d'antenne distribué avec réglage amélioré du gain de liaison montante
JP6093376B2 (ja) 周波数をダウン変換したデータ信号の、ｄｃオフセットの補正を維持するシステム及び方法
KR20180011765A (ko) 무선 신호 경로를 통한 무선 주파수（ｒｆ） 데이터 패킷 신호 트랜시버 테스트 방법
US20090092053A1 (en) Apparatus and Method for Testing a Wireless Transceiver
WO2008151488A1 (fr) Un dispositif et un procédé pour tester l'interférence rf entre des systèmes de communication sans fil
KR100827098B1 (ko) 이동 통신 시스템에서 채널 품질 검출 장치 및 방법
CN105445549B (zh) 一种微弱电磁信号频谱测量方法
US10298340B2 (en) Method for improved accuracy of low power radio frequency (RF) signal measurements when using received signal strength indicator (RSSI) functions
CN104635048A (zh) 一种具有低底噪功能的频谱分析仪
CN100373785C (zh) 射频接收通道增益校正系统及其方法
CN113109634B (zh) 天线测试方法、装置、终端设备、天线测试系统及介质
KR960014670B1 (ko) 자동이득제어회로(agc)를 포함하는 이동통신(cdma) 수신기에서 잡음지수 측정방법
CN219124222U (zh) 物联网终端设备测试装置
JP5042949B2 (ja) 基地局及び受信機障害診断方法
KR100598372B1 (ko) 이동통신 단말기의 아이피투 검교정시 상관계수 산출 방법
KR100626207B1 (ko) 자체 송수신 장치를 이용한 케이블 캘리브레이션 방법 및그 장치와, 그 방법을 포함하는 프로그램을 저장한기록매체
CN103812582A (zh) 一种低增益低功率直放站的隔离度检测方法
EP4338495A1 (fr) Commande de puissance d'émission rf automatique en vue de test par liaison radio
KR100978673B1 (ko) 통신장비의 ｔｘ／ｒｘ 성능 테스트 장치
CN115208490A (zh) 5g网络中快速校准prs信道准确性的方法、设备及存储介质
CN101933258B (zh) 用于获得用于校正传输链路的至少一个校正频率的方法及装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13880864

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13880864

Country of ref document: EP

Kind code of ref document: A1