CN106912092B - Method and device for adjusting transmission power - Google Patents
Method and device for adjusting transmission power Download PDFInfo
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- CN106912092B CN106912092B CN201710169426.3A CN201710169426A CN106912092B CN 106912092 B CN106912092 B CN 106912092B CN 201710169426 A CN201710169426 A CN 201710169426A CN 106912092 B CN106912092 B CN 106912092B
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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
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
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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
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0245—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal according to signal strength
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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
- H04W52/18—TPC being performed according to specific parameters
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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
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/245—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account received signal strength
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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
- H04W52/18—TPC being performed according to specific parameters
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
- H04W52/265—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the quality of service QoS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a method for adjusting transmitting power, which comprises the following steps: when a terminal accesses a wireless access device, acquiring an application program and network flow currently operated by the terminal, and judging the level of an application scene where the terminal is located; acquiring the signal intensity of a transmitting signal of the wireless access device, and judging the level of the signal intensity; and adjusting the wireless transmitting power of the terminal by comparing the level of the application scene where the terminal is located with the level of the signal strength where the signal strength is located. The invention also discloses a device for adjusting the transmitting power. By adopting the embodiment of the invention, the terminal can simultaneously consider the signal strength and the application scene to adjust the transmitting power when being used as the STA, thereby saving the power consumption while ensuring the communication quality.
Description
Technical Field
The present invention relates to the field of wireless communications technologies, and in particular, to a method and an apparatus for adjusting transmit power.
Background
Along with the development of mobile communication and the continuous improvement of living standard of people, the use of various mobile terminals such as mobile phones is more and more popular, and people use the mobile terminal to be connected with the internet, and the WIFI module of the mobile terminal is mutually connected with the wireless access device for transmitting WIFI signals, so that the mobile terminal is connected to the internet to exchange data.
In the prior art, a wireless access device, such as a wireless router or a mobile terminal, is used as a WIFI hotspot device and is used as an access point AP of a terminal, and the terminal is used as an STA and has a relatively high requirement on power consumption.
Disclosure of Invention
The embodiment of the invention aims to provide a method and a device for adjusting transmission power, which can adjust the transmission power by simultaneously considering signal strength and application scenes when a terminal is used as an STA (station), thereby ensuring communication quality and saving power consumption.
To achieve the above object, an embodiment of the present invention provides a method for adjusting transmit power, including:
when a terminal accesses a wireless access device, acquiring an application program and network flow currently operated by the terminal, and judging the level of an application scene where the terminal is located;
acquiring the signal intensity of a transmitting signal of the wireless access device, and judging the level of the signal intensity;
and adjusting the wireless transmitting power of the terminal by comparing the level of the application scene where the terminal is located with the level of the signal strength where the signal strength is located.
Further, the adjusting the wireless transmission power of the terminal by comparing the level of the application scenario in which the terminal is located with the level of the signal strength in which the signal strength is located specifically includes:
comparing the level of the application scene where the terminal is located with the level of the signal intensity where the signal intensity is located;
when the level of the signal strength is lower than the level of the application scene of the terminal, adjusting the level of the wireless transmission power of the terminal to be higher than or equal to the level of the application scene of the terminal;
and when the level of the signal strength is higher than the level of the application scene of the terminal, adjusting the level of the wireless transmission power of the terminal to be lower than or equal to the level of the application scene of the terminal.
Further, the application scenes are arranged into M levels from high to low according to the type of the application program run by the terminal and the network traffic; m is more than or equal to 3; the signal intensity is arranged into M levels from high to low according to the signal intensity.
Still further, the wireless transmission power is arranged into M levels from high to low according to the maximum transmission power that the terminal can provide and the power reduction value of the adjacent level.
Correspondingly, the invention also provides a device for adjusting the transmitting power, which comprises:
the application scene judging module is used for acquiring an application program and network flow currently operated by the terminal and judging the level of an application scene where the terminal is located when the terminal is accessed to the wireless access device;
the signal intensity acquisition module is used for acquiring the signal intensity of the transmitted signal of the wireless access device and judging the level of the signal intensity;
and the transmission power adjusting module is used for adjusting the wireless transmission power of the terminal by comparing the level of the application scene where the terminal is located with the level of the signal strength where the signal strength is located.
Further, the transmission power adjustment module specifically includes:
the level comparison unit is used for comparing the level of the application scene where the terminal is located with the level of the signal intensity where the signal intensity is located;
a first level adjustment unit, configured to adjust, when a level of a signal strength at which the signal strength is located is lower than a level of an application scenario at which the terminal is located, a level at which wireless transmission power of the terminal is located is higher than or equal to the level of the application scenario at which the terminal is located;
and the second level adjusting unit is used for adjusting the level of the wireless transmitting power of the terminal to be lower than or equal to the level of the application scene of the terminal when the level of the signal strength is higher than the level of the application scene of the terminal.
Further, the application scenes are arranged into M levels from high to low according to the type of the application program run by the terminal and the network traffic; m is more than or equal to 3; the signal intensity is arranged into M levels from high to low according to the signal intensity.
Still further, the wireless transmission power is arranged into M levels from high to low according to the maximum transmission power that the terminal can provide and the power reduction value of the adjacent level.
The embodiment of the invention has the following beneficial effects:
the method and the device for adjusting the transmitting power provided by the embodiment of the invention enable the terminal to consider the transmitting power of the terminal from the aspects of the application scene of the terminal running and the signal intensity of the transmitting signal of the terminal received by the wireless access device when the terminal is accessed into the wireless access device, namely, when the situation that the signal intensity of the transmitting signal of the terminal received by the wireless access device is relatively stronger and the application scene of the terminal is not high in network communication quality is detected, the wireless transmitting power of the terminal can be properly reduced while the network communication quality of the current terminal is ensured at the moment, and the power consumption is saved; on the contrary, when it is detected that the signal strength of the transmission signal of the terminal received by the wireless access device is relatively weak, but the network communication quality of the application scenario in which the terminal is located is relatively high, the wireless transmission power of the terminal can be properly increased to meet the requirement of the current terminal on the network communication quality, and the performance is ensured. In addition, the sleep mode of the terminal and the requirements of the current application scene of the terminal are synchronously adjusted, so that on one hand, the use efficiency of power consumption can be further improved, and on the other hand, the power can be saved while the network communication quality is kept.
Drawings
Fig. 1 is a schematic flow chart of an embodiment of a method for adjusting transmission power provided by the present invention;
fig. 2 is a schematic structural diagram of an embodiment of an apparatus for adjusting transmission power provided in the present invention;
fig. 3 is a schematic structural diagram of an embodiment of a transmission power adjustment module of an apparatus for adjusting transmission power according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic flow chart of an embodiment of a method for adjusting transmission power according to the present invention; the method for adjusting the transmission power provided by the embodiment of the invention is executed by taking a terminal as an STA side, wherein the terminal is accessed to an AP side of a wireless access device as the STA, and the method comprises the following steps from S1 to S2:
s1, when the terminal accesses the wireless access device, acquiring the current running application program and network flow of the terminal, and judging the level of the application scene where the terminal is located;
s2, acquiring the signal strength of the transmitted signal of the wireless access device, and judging the level of the signal strength;
s3, the wireless transmitting power of the terminal is adjusted by comparing the level of the application scene where the terminal is located with the level of the signal strength where the signal strength is located.
It should be noted that, when the terminal is accessed to the wireless access apparatus, the transmission power of the terminal itself needs to be considered, so that the transmission power of the terminal is adjusted from the angle of the application scenario in which the terminal itself operates and the signal strength of the transmission signal received by the wireless access apparatus from the terminal, that is, when it is detected that the signal strength of the transmission signal transmitted to the terminal by the received wireless access apparatus is relatively strong and the application scenario in which the terminal is located is not high in network communication quality, the wireless transmission power of the terminal can be properly reduced while the network communication quality of the current terminal is ensured, and power consumption is saved; on the contrary, when it is detected that the received signal strength of the transmission signal transmitted to the terminal by the wireless access device is relatively weak, but the network communication quality of the application scene in which the terminal is located is relatively high, the wireless transmission power of the terminal can be properly increased to meet the requirement of the current terminal on the network communication quality, and the performance is ensured.
In a specific implementation, the process of adjusting the wireless transmission power by the terminal, that is, the specific implementation process of step 3, is as follows:
comparing the level of the application scene where the terminal is located with the level of the signal intensity where the signal intensity is located;
when the level of the signal strength is lower than the level of the application scene of the terminal, adjusting the level of the wireless transmitting power of the terminal to be greater than or equal to the level of the application scene of the terminal;
and when the level of the signal strength is higher than the level of the application scene of the terminal, adjusting the level of the wireless transmission power of the terminal to be less than or equal to the level of the application scene of the terminal.
It should be noted that, the levels of the application scenario are arranged into M levels from high to low according to the type of the application program run by the terminal and the network traffic; m is more than or equal to 3; accordingly, the levels of signal strength should be arranged into M levels from high to low according to the signal strength; the wireless transmission power levels are also arranged into M levels from high to low according to the maximum transmission power provided by the terminal and the power reduction value of the adjacent level. In other words, the level of the application scenario represents the level of the requirement for the network communication quality, when the detected application scenario is in the level, that is, the requirement for the network communication quality is in the level, and in order to ensure that the terminal can make the network communication quality in the level, it is necessary to ensure that the level of the signal strength at which the signal strength of the transmission signal of the terminal is received by the wireless access device can be matched with the level at which the terminal can make the network communication quality, then it is necessary to make the level at which the wireless transmission power of the terminal is higher than or equal to the level at which the terminal can make the network communication quality, so that the level at which the signal strength of the transmission signal of the terminal is received by the wireless access device can be matched with the level at which the terminal can make the network communication quality, the power consumption of the terminal is effectively reduced while the communication quality is ensured.
The following will be exemplified with M being 3:
for the grade classification of the signal intensity, two thresholds are defined for the signal intensity, so that the signal intensity is divided into three areas of strong, medium and weak according to the intensity, and the three areas correspond to the grades of 1, 2 and 3 respectively;
the level grading of the application scene is set into three levels, wherein the 1 st level is an application program with high real-time requirement and has large network flow requirement, such as online video, online music and the like; the 2 nd level is an application program which requires different real-time and has low network flow demand, such as webpage access, communication application and the like; level 3 is a local application and has little demand for network traffic, such as reading a local book. If there are multiple application programs currently running on the terminal, the application program with the highest level to which the running application program belongs is taken as the standard.
For the grading of the wireless transmission power, the wireless transmission power is classified into three high, medium and low gears according to the maximum transmission power that the terminal can provide and the power reduction value of the adjacent gear, preferably, the power reduction value is 2 or 3 dBm.
Furthermore, while adjusting the wireless transmission power of the terminal, the terminal may also adjust the level of the sleep mode in which the terminal is currently located to be consistent with the level of the application scenario in which the terminal is located.
It should be noted that, in correspondence with the level of the application scenario, the level of the signal strength, and the level of the wireless transmission power, the level of the sleep mode is also set to M levels, the transceiving condition of the wireless transceiver of the terminal is controlled, and in combination with the case that the example M is 3, the level of the sleep mode is changed into three modes, i.e., a no-sleep mode, a weak sleep mode, and a strong sleep mode, which respectively correspond to levels 1, 2, and 3, where, in the no-sleep mode at level 1, if the wireless transceiver is turned on by the terminal, the terminal does not enter the sleep power saving mode; in the 2 nd-level weak sleep mode, the data volume received and transmitted by the terminal accessed to the wireless access device within the latest preset time period is taken as a basis, if the data volume is lower than a threshold value, the current data flow is considered to be small, and then the terminal enters a sleep state to meet the power saving requirement; if the data flow is higher than the threshold value, the data flow requirement is considered to be vigorous at the moment, the terminal controls the wireless transceiver to be in an open state, and the wireless transceiver does not enter a sleep power-saving mode temporarily; and in a strong sleep mode of a 3 rd level, the terminal controls the wireless transceiver to close the wireless transceiver after receiving and sending data, enters a sleep power-saving mode, controls the wireless transceiver to periodically open and check whether the wireless access device has a data packet with a cached destination being the wireless access device, keeps the open state of the wireless transceiver until the wireless transceiver receives the cache stored in the wireless access device, and controls the wireless receiver to enter the sleep state if the wireless access device does not receive the cache.
In the method for adjusting the transmission power provided by the embodiment of the invention, when the terminal is accessed to the wireless access device, the transmission power of the terminal is considered from the application scene of the terminal running and the angle of the signal intensity of the transmission signal of the terminal received by the wireless access device, namely, when the signal intensity of the transmission signal of the terminal received by the wireless access device is relatively stronger and the application scene of the terminal is not high in network communication quality, the wireless transmission power of the terminal can be properly reduced while the network communication quality of the current terminal is ensured, and the power consumption is saved; on the contrary, when it is detected that the signal strength of the transmission signal of the terminal received by the wireless access device is relatively weak, but the network communication quality of the application scenario in which the terminal is located is relatively high, the wireless transmission power of the terminal can be properly increased to meet the requirement of the current terminal on the network communication quality, and the performance is ensured. In addition, the sleep mode of the terminal and the requirements of the current application scene of the terminal are synchronously adjusted, so that on one hand, the use efficiency of power consumption can be further improved, and on the other hand, the power can be saved while the network communication quality is kept.
Fig. 2 is a schematic structural diagram of an embodiment of the apparatus for adjusting transmission power according to the present invention. The device for adjusting the transmitting power can realize the whole process of the method for adjusting the transmitting power, and specifically comprises the following steps:
an application scene discrimination module 10, configured to, when a terminal accesses a wireless access apparatus, obtain an application program and network traffic currently running by the terminal, and discriminate a level of an application scene in which the terminal is located;
a signal strength obtaining module 20, configured to obtain a signal strength of a transmission signal received from the wireless access apparatus, and determine a level of the signal strength where the signal strength is located;
a transmission power adjusting module 30, configured to adjust the wireless transmission power of the terminal by comparing the level of the application scenario in which the terminal is located with the level of the signal strength in which the signal strength is located.
Further, as shown in fig. 3, fig. 3 is a schematic structural diagram of an embodiment of a transmit power adjustment module of the apparatus for adjusting transmit power, where the transmit power adjustment module 30 specifically includes:
a level comparing unit 31, configured to compare a level of an application scenario in which the terminal is located with a level of the signal strength in which the signal strength is located;
a first level adjusting unit 32, configured to adjust, when the level of the signal strength at which the signal strength is located is lower than the level of the application scenario at which the terminal is located, the level at which the wireless transmission power of the terminal is located is greater than or equal to the level of the application scenario at which the terminal is located;
a second level adjusting unit 33, configured to adjust, when the level of the signal strength at which the signal strength is located is higher than the level of the application scenario at which the terminal is located, the level at which the wireless transmission power of the terminal is located is smaller than or equal to the level of the application scenario at which the terminal is located.
Further, the application scenes are arranged into M levels from high to low according to the type of the application program run by the terminal and the network traffic; m is more than or equal to 3; the signal intensity is arranged into M levels from high to low according to the signal intensity.
Still further, the wireless transmission power is arranged into M levels from high to low according to the maximum transmission power that the terminal can provide and the power reduction value of the adjacent level.
Further, the apparatus for adjusting transmission power further includes a sleep mode adjusting module 40, configured to adjust a level of a sleep mode in which the terminal is currently located to be consistent with a level of an application scenario in which the terminal is located.
The device for adjusting the transmitting power provided by the embodiment of the invention enables the terminal to consider the transmitting power of the terminal from the aspects of the application scene of the terminal running and the signal intensity of the transmitting signal of the terminal received by the wireless access device when the terminal is accessed into the wireless access device, namely, when the situation that the signal intensity of the transmitting signal of the terminal received by the wireless access device is relatively stronger and the application scene of the terminal is not high in network communication quality is detected, the wireless transmitting power of the terminal can be properly reduced while the network communication quality of the current terminal is ensured, and the power consumption is saved; on the contrary, when it is detected that the signal strength of the transmission signal of the terminal received by the wireless access device is relatively weak, but the network communication quality of the application scenario in which the terminal is located is relatively high, the wireless transmission power of the terminal can be properly increased to meet the requirement of the current terminal on the network communication quality, and the performance is ensured. In addition, the sleep mode of the terminal and the requirements of the current application scene of the terminal are synchronously adjusted, so that on one hand, the use efficiency of power consumption can be further improved, and on the other hand, the power can be saved while the network communication quality is kept.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (6)
1. A method for adjusting transmit power, comprising:
when a terminal accesses a wireless access device, acquiring an application program and network flow currently operated by the terminal, and judging the level of an application scene where the terminal is located according to the application program and the network flow;
acquiring the signal intensity of a transmitting signal of the wireless access device, and judging the level of the signal intensity;
adjusting the wireless transmitting power of the terminal by comparing the level of the application scene where the terminal is located with the level of the signal intensity where the signal intensity is located;
the wireless transmission power of the terminal is adjusted by comparing the level of the application scene where the terminal is located with the level of the signal strength where the signal strength is located, specifically:
comparing the level of the application scene where the terminal is located with the level of the signal intensity where the signal intensity is located;
when the level of the signal strength is lower than the level of the application scene of the terminal, adjusting the level of the wireless transmission power of the terminal to be higher than or equal to the level of the application scene of the terminal;
and when the level of the signal strength is higher than the level of the application scene of the terminal, adjusting the level of the wireless transmission power of the terminal to be lower than or equal to the level of the application scene of the terminal.
2. The method of adjusting transmit power of claim 1,
the application scenes are arranged into M levels from high to low according to the type of an application program operated by the terminal and the network flow; m is more than or equal to 3;
the signal intensity is arranged into M levels from high to low according to the signal intensity.
3. The method of adjusting transmission power of claim 2, wherein the wireless transmission power is arranged into M levels from high to low according to a maximum transmission power that can be provided by the terminal and power reduction values of adjacent levels.
4. An apparatus for adjusting transmit power, comprising:
the application scene judging module is used for acquiring an application program and network flow currently operated by a terminal when the terminal is accessed to the wireless access device, and judging the level of an application scene where the terminal is located according to the application program and the network flow;
the signal intensity acquisition module is used for acquiring the signal intensity of the transmitted signal of the wireless access device and judging the level of the signal intensity;
the transmitting power adjusting module is used for adjusting the wireless transmitting power of the terminal by comparing the level of the application scene where the terminal is located with the level of the signal intensity where the signal intensity is located;
the transmission power adjustment module includes:
the level comparison unit is used for comparing the level of the application scene where the terminal is located with the level of the signal intensity where the signal intensity is located;
a first level adjustment unit, configured to adjust, when a level of a signal strength at which the signal strength is located is lower than a level of an application scenario at which the terminal is located, a level at which wireless transmission power of the terminal is located is higher than or equal to the level of the application scenario at which the terminal is located;
and the second level adjusting unit is used for adjusting the level of the wireless transmitting power of the terminal to be lower than or equal to the level of the application scene of the terminal when the level of the signal strength is higher than the level of the application scene of the terminal.
5. The apparatus for adjusting transmit power of claim 4,
the application scenes are arranged into M levels from high to low according to the type of an application program operated by the terminal and the network flow; m is more than or equal to 3;
the signal intensity is arranged into M levels from high to low according to the signal intensity.
6. The apparatus for adjusting transmission power of claim 5, wherein the wireless transmission power is arranged in M levels from high to low according to a maximum transmission power that can be provided by the terminal and power reduction values of adjacent levels.
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| CN108966332B (en) * | 2018-06-01 | 2021-11-16 | Oppo广东移动通信有限公司 | Wireless transmission power customization method and device, mobile terminal and computer readable storage medium |
| CN111479314A (en) * | 2020-06-02 | 2020-07-31 | 三星电子（中国）研发中心 | Terminal power consumption adjusting method and terminal equipment |
| CN112330849B (en) * | 2020-06-03 | 2023-07-25 | 深圳Tcl新技术有限公司 | Intelligent power saving method, device, equipment and computer storage medium |
| CN112105023A (en) * | 2020-08-03 | 2020-12-18 | 深圳市广和通无线股份有限公司 | Network connection method, device, computer equipment and storage medium |
| CN112731478A (en) * | 2020-08-20 | 2021-04-30 | 浙江利尔达物芯科技有限公司 | Low-power-consumption operation method of positioning terminal |
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| CN105338585A (en) * | 2015-11-28 | 2016-02-17 | 广东欧珀移动通信有限公司 | Network system switching method and device and terminal |
| CN105376819A (en) * | 2015-11-28 | 2016-03-02 | 广东欧珀移动通信有限公司 | Network mode switching method, device and terminal |
| CN105517069A (en) * | 2015-12-04 | 2016-04-20 | 魅族科技（中国）有限公司 | Communication mode switching method and mobile terminal |
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