CN111935810A - Wireless device power level adjustment method, device, system, terminal and medium - Google Patents

Wireless device power level adjustment method, device, system, terminal and medium Download PDF

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Publication number
CN111935810A
CN111935810A CN202010679297.4A CN202010679297A CN111935810A CN 111935810 A CN111935810 A CN 111935810A CN 202010679297 A CN202010679297 A CN 202010679297A CN 111935810 A CN111935810 A CN 111935810A
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wireless
level
transmission
power level
power
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张方剑
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SHENZHEN ALLIED CONTROL SYSTEM CO Ltd
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SHENZHEN ALLIED CONTROL SYSTEM CO Ltd
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Priority to CN202010679297.4A priority Critical patent/CN111935810A/en
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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
    • 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
    • H04W52/14—Separate analysis of uplink or downlink
    • 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
    • H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR, Eb/lo
    • 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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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention is suitable for the technical field of wireless communication, and provides a method for adjusting the transmitting power level of wireless equipment, which comprises the following steps: sending wireless data to a wireless receiver at a first transmission power level, wherein the first transmission power level corresponds to the theoretical power of the first transmission level; acquiring the wireless noise level detected by a wireless receiver in the process of receiving wireless data and the signal strength of a wireless device; when the difference value between the signal strength and the wireless noise level is larger than a preset value constant, determining a second transmission power level according to the wireless noise level, the signal strength, the preset value constant and the theoretical power of the first transmission level; and transmitting the next wireless data at the second transmission power level. The embodiment of the invention also provides a device, a system, a terminal and a readable storage medium for adjusting the transmitting power level of the wireless equipment. The method for adjusting the transmitting power level of the wireless equipment ensures the normal communication of the equipment, reduces the energy consumption of the equipment and the interference between the equipment and improves the communication stability of the equipment.

Description

Wireless device power level adjustment method, device, system, terminal and medium
Technical Field
The present invention relates to the field of wireless communications technologies, and in particular, to a method, an apparatus, a system, a terminal, and a computer-readable storage medium for adjusting a transmission power level of a wireless device.
Background
The heating system of wall-hanging stove, air conditioner, etc. contains the wireless equipment of multiple different grade type, such as wireless temperature controller, wireless temperature-sensing valve and wireless receiver etc. and these equipment all adopt the battery power supply generally, and wireless communication distance and battery life between each equipment are two very important and conflicting indexes each other. The existing wireless temperature control equipment can improve the wireless transmission power of the equipment in order to improve the wireless communication distance between the equipment, but the power consumption of the equipment can be increased, the service life of a battery can be reduced, and particularly when a large number of wireless communication equipment exist or are arranged in one area, wireless interference can be generated on the equipment in other networks due to the increase of the wireless transmission power of the wireless temperature control equipment in one network.
To sum up, the wireless temperature control device with battery power in the prior art exists: the problem that the wireless transmission power of the wireless temperature control device in one network is increased to cause wireless interference to devices in other networks is solved.
Disclosure of Invention
The embodiment of the invention provides a wireless temperature control device, aiming at solving the problems that the wireless temperature control device with battery power supply in the prior art comprises: the problem that the wireless transmission power of the wireless temperature control device in one network is increased to cause wireless interference to devices in other networks is solved.
The embodiment of the invention is realized in such a way that a method for adjusting the transmission power level of wireless equipment comprises the following steps:
sending wireless data to a wireless receiver at a first transmission power level, wherein the first transmission power level corresponds to the theoretical power of the first transmission level;
acquiring the wireless noise level and the signal strength of a wireless device detected by the wireless receiver in the process of receiving the wireless data;
judging whether the difference value between the signal intensity and the wireless noise level is larger than a preset value constant or not;
when the difference value between the signal intensity and the wireless noise level is judged to be larger than the preset value constant, determining a second transmission power level according to the wireless noise level, the signal intensity, the preset value constant and the theoretical power of the first transmission level;
and sending the next wireless data according to the second transmission power level.
The embodiment of the invention also provides a device for adjusting the transmitting power level of the wireless equipment, which comprises:
a wireless data transmitting unit, configured to transmit wireless data to a wireless receiver at a first transmission power level, where the first transmission power level corresponds to a theoretical power of a first transmission level;
a detection data acquisition unit for acquiring the wireless noise level detected by the wireless receiver in the process of receiving the wireless data and the signal strength of the wireless device;
a difference determination unit configured to determine whether a difference between the signal strength and the wireless noise level is greater than a predetermined value constant;
a second transmission power level determining unit, configured to determine a second transmission power level according to the wireless noise level, the signal strength, a predetermined value constant, and a theoretical power of the first transmission level when it is determined that the difference between the signal strength and the wireless noise level is greater than the predetermined value constant;
and the next wireless data sending unit is used for sending the next wireless data according to the second transmitting power level.
The embodiment of the invention also provides a system for adjusting the transmitting power level of the wireless equipment, which comprises:
a wireless data transmitting unit, configured to transmit wireless data to a wireless receiver at a first transmission power level, where the first transmission power level corresponds to a theoretical power of a first transmission level;
a wireless data receiving unit, configured to receive the wireless data sent by a wireless device;
a data detection unit for detecting a wireless noise level and a signal strength of a wireless device during reception of the wireless data by the wireless receiver;
a detection data transmitting unit for returning the wireless noise level and the signal strength of the wireless device to the wireless device;
a detection data acquisition unit for acquiring the wireless noise level and the signal strength of the wireless device detected by the wireless receiver during the wireless data reception;
a difference determination unit configured to determine whether a difference between the signal strength and the wireless noise level is greater than a predetermined value constant;
a second transmission power level determining unit, configured to determine a second transmission power level according to the wireless noise level, the signal strength, a predetermined value constant, and a theoretical power of the first transmission level when it is determined that the difference between the signal strength and the wireless noise level is greater than the predetermined value constant;
and the next wireless data sending unit is used for sending the next wireless data according to the second transmitting power level.
The embodiment of the present invention further provides a wireless device transmission power level adjustment terminal, where the wireless device transmission power level adjustment terminal includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and when the processor executes the computer program, the processor implements the functions of the wireless device transmission power level adjustment method.
An embodiment of the present invention further provides a storage medium, where the computer-readable storage medium stores a computer program, and the computer program, when executed by a processor, implements the functions of the wireless device transmission power level adjustment method described above.
According to the method for adjusting the transmitting power level of the wireless equipment, provided by the embodiment of the invention, the wireless data transmitting equipment determines the second transmitting power level according to the wireless noise level detected by the wireless receiver in the process of receiving the wireless data, the signal strength of the wireless equipment and the theoretical power of the first transmitting level when the wireless data transmitting equipment transmits the wireless data, so that the data is transmitted according to the adjusted second transmitting power level when the next data is transmitted, the normal communication of the equipment is ensured, the energy consumption of the equipment is effectively reduced, the radiation interference among the equipment in the same area is reduced, and the communication stability of the equipment is improved.
Drawings
Fig. 1 is a wireless radiation coverage diagram of a prior art wireless device transmitting wireless data using a wireless maximum power level, according to an embodiment of the present invention;
fig. 2 is a wireless radiation coverage diagram of a wireless device with a wireless device transmission power level adjustment function according to an embodiment of the present invention when transmitting wireless data;
fig. 3 is a flowchart of an implementation of a method for adjusting a transmission power level of a wireless device according to an embodiment of the present invention;
fig. 4 is a flowchart of an implementation of a method for adjusting a transmission power level of a wireless device according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of an apparatus for adjusting a transmission power level of a wireless device according to a third embodiment of the present invention;
fig. 6 is a schematic structural diagram of a second transmission power level determining unit of a wireless device transmission power level adjusting apparatus according to a third embodiment of the present invention;
fig. 7 is a schematic structural diagram of a system for adjusting a transmission power level of a wireless device according to a fourth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
According to the method for adjusting the transmitting power level of the wireless equipment, provided by the embodiment of the invention, the wireless data transmitting equipment determines the second transmitting power level according to the acquired wireless noise level detected by the wireless receiver in the process of receiving the wireless data, the signal strength of the wireless equipment and the theoretical power of the first transmitting level when the wireless data transmitting equipment transmits the wireless data, so that the data is transmitted according to the adjusted second transmitting power level when the next data is transmitted, the normal communication of the equipment can be ensured, the energy consumption of the equipment can be effectively reduced, the noise interference among the wireless equipment in the same area can be reduced, and the communication stability of the equipment can be improved.
Fig. 1 is a wireless radiation coverage diagram of a wireless device according to the prior art, which is provided by an embodiment of the present invention, when the wireless device transmits wireless data at a wireless maximum power level, and fig. 2 is a wireless radiation coverage diagram of a wireless device with a wireless device transmission power level adjustment function, which is provided by an embodiment of the present invention, when the wireless device transmits wireless data, it can be seen from comparison of the two diagrams that different wireless devices in the same area in fig. 1 all have coverage of partial wireless radiation signals, and each wireless device with a wireless device transmission power level adjustment function provided by an embodiment of the present invention all transmits no wireless radiation signals.
In embodiments of the present invention, wireless devices include, but are not limited to: wireless temperature controller, wireless temperature-sensing valve.
In one embodiment of the present invention, an RF chip (i.e., a radio frequency chip) is disposed in each of the wireless device and the wireless receiver, so that the wireless device and the wireless receiver communicate with each other through a narrow band having a frequency band less than 1 GHz.
The following is a detailed description of specific embodiments.
Example one
Referring to fig. 1, fig. 1 is a flowchart illustrating an implementation of a method for adjusting a transmission power level of a wireless device according to an embodiment of the present invention, where the method includes the following steps:
in step S101, wireless data is transmitted to a wireless receiver at a first transmission power level, the first transmission power level corresponding to a theoretical power of the first transmission level.
In the embodiment of the present invention, the first transmission power level may be 200, 150, 145, 130, 88, 70, 50, 35, etc., and is specifically set according to actual situations.
As an embodiment of the present invention, the theoretical power of the first transmission level may be-40 dBm, -30dBm, -10dBm, 1dBm, 5dBm, 10dBm, 13dBm, 20dBm, 30dBm, etc., and may be set according to different types of RF chips.
In the embodiment of the present invention, the wireless data includes the wireless noise level (i.e., wireless noise level) of the device itself, the signal strength received by the device, and the like.
In the embodiment of the present invention, each level of the transmission power level of the wireless device corresponds to a corresponding transmission level theoretical power, for example, a first transmission power level of 126 corresponds to a theoretical power of a transmission level of 19.72dBm, and a first transmission power level of 7 corresponds to a theoretical power of a transmission level of 0.25 dBm.
As an embodiment of the present invention, when the wireless device sends wireless data to the wireless receiver at the first transmission power level, the wireless device carries its own source address and the destination address of the receiver, and the source address of each wireless device and the destination address of the receiver may be set in advance in a pairing manner, so that when multiple sets of wireless temperature control systems exist in the same area at the same time or multiple wireless devices exist in one set of systems, it is ensured that data transmission between each wireless device and the receiver is not disordered.
In step S102, the wireless noise level and the signal strength (hereinafter referred to as signal strength) of the wireless device detected by the wireless receiver during the reception of the wireless data are acquired.
In the embodiment of the invention, the value range of the wireless noise level is-105 dBm to-80 dBm.
As a preferred embodiment of the present invention, the signal strength ranges from-95 dBm to-30 dBm.
In step S103, it is determined whether the difference between the signal strength and the wireless noise level is greater than a predetermined value constant, and when the determination result is yes, step S104 is performed, and when the determination result is no, step S105 is performed: the next wireless data is transmitted at the first transmit power level.
In the embodiment of the present invention, the predetermined value constant may be 8dBm, 10dBm, 12dBm, 15dBm, 16dBm, etc., and generally ranges from 8dBm to 18dBm, which is specifically set according to the actual situation.
In step S104, when the difference between the signal strength and the wireless noise level is greater than the predetermined value constant, a second transmission power level is determined according to the wireless noise level, the signal strength, the predetermined value constant and the theoretical power of the first transmission level.
In the embodiment of the present invention, the second transmission power level may be 180, 150, 145, 130, 88, 70, 50, 35, 20, etc., and is set according to actual situations. It will be appreciated that the second transmit power level is typically less than the first transmit power level.
For example, a first transmit power level of 125 corresponds to a theoretical power of 19.68dBm, a wireless noise level of-93 dBm, a signal strength of-80 dBm, and a predetermined value constant of 10dBm, then a second transmit power level of 66 may be determined.
For example, if the first transmission power level is 30, the theoretical power of the corresponding first transmission level is 13.17dBm, the wireless noise level is-85 dBm, the signal strength is-70 dBm, and the predetermined value constant is 14dBm, then the second transmission power level can be determined to be 27.
In step S106, the next wireless data is transmitted at the second transmission power level.
As a practical application of the present invention, a wireless device A and a wireless receiver A1The RF chips in (1) are all RF chips of a Si4463 model. For example, when data is transmitted at the maximum power level during the first communication, that is, the first transmission power level is 127, the theoretical power of the corresponding first transmission level is 19.78dBm, the wireless noise level is-95 dBm, the signal strength is-77 dBm, and the predetermined value constant is 12dBm, it can be determined that the second transmission power level is 35, that is, the wireless device a transmits the next wireless data at the transmission power level of 35 for the second time.
As another practical application of the present invention, a wireless device B and a wireless receiver B1The RF chips in (1) are all RF chips of a Si4463 model. If the first transmission power level is 29, the theoretical power of the corresponding first transmission level is 12.83dBm, a wireless noise level of-95 dBm, a signal strength of-83 dBm, and a predetermined value constant of 12dBm, the next wireless data is continuously transmitted at a transmission power level of 29 for the second time. At this time, it is shown that the wireless device B can just ensure normal communication between the wireless device and the wireless receiver at the first transmission power level of 29, and has the lowest power consumption and the lowest noise interference to other wireless devices.
It is to be appreciated that during initial communication, each wireless device transmits wireless data at a maximum power level (or a contracted power level). After the wireless device sends wireless data to the wireless receiver at a first transmission power level, when the difference between the signal intensity of the wireless device and the wireless noise level detected by the wireless receiver in the process of receiving the wireless data is larger than a preset value constant, determining a second transmission power level according to the signal intensity, the wireless noise level and the theoretical power of the first transmission level corresponding to the first transmission power level, and sending the next wireless data at the second transmission power level; and when the difference between the received signal strength of the wireless equipment and the wireless noise level is less than or equal to a preset value constant, the first transmission power level is kept unchanged, and the next wireless data is continuously transmitted at the first transmission power level, so that the normal communication of the wireless equipment is ensured, the energy consumption of the wireless equipment is effectively reduced, the noise interference to other wireless equipment in the same network or different networks is reduced, the wireless noise environment used by the wireless equipment is improved, and the noise environment of the whole wireless network is optimized.
According to the method for adjusting the transmitting power level of the wireless equipment, provided by the embodiment of the invention, the second transmitting power level is determined according to the acquired wireless noise level detected by the wireless receiver in the process of receiving the wireless data, the signal intensity of the wireless equipment and the theoretical power of the first transmitting level when the wireless receiver transmits the wireless data, so that the data can be transmitted according to the adjusted second transmitting power level when the next data is transmitted, the normal communication of the equipment can be ensured, the energy consumption of the equipment can be effectively reduced, the service life of a battery is prolonged, and the use cost of a user is saved; noise interference among wireless devices in the same area is reduced, and the stability of device communication is improved.
Example two
Referring to fig. 4, step S104 in the first embodiment specifically includes:
in step S1041, a theoretical power of the second transmission level is calculated based on the wireless noise level, the signal strength, the predetermined value constant, and the theoretical power of the first transmission level.
In an embodiment of the present invention, the step S1041 specifically includes:
calculating theoretical power V of second transmission grade by preset formula2I.e. V2＝V1-[(S2-S1)-E0]Wherein E is0Is a predetermined value constant, V1Theoretical power of first transmission class, V2Theoretical power, S, for the second transmission class1To the wireless noise level, S2Is the signal strength.
In step S1042, a corresponding second transmission power level is determined according to the theoretical power of the second transmission level.
In the embodiment of the present invention, the theoretical power of the first transmission level and the first transmission power level, and the theoretical power of the second transmission level and the second transmission power level are all in a one-to-one correspondence relationship, that is, a preset comparison table of the theoretical power of the transmission level and the transmission power level may be used for one-to-one correspondence.
As a practical application of the present invention, the theoretical power V of the first transmission level is also exemplified by a radio device and a radio receiver provided with an RF chip of type Si44631At 17.03dBm, the wireless noise level S1Is-100 dBm, signal strength S2Is-86 dBm, predetermined value constant E012dBm, the theoretical power V of the second emission level can be calculated according to the preset formula215.03dBm, and a corresponding second transmit power level of 47 may be determined.
As another practical application of the present invention, also taking a radio apparatus and a radio receiver provided with an RF chip of type Si4463 as an example, the theoretical power V of the first transmission level119.06dBm, radio noise level S1Is-88 dBm, signal strength S2Is-75 dBm, predetermined value constant E012dBm, the theoretical power V of the second emission level can be calculated according to the preset formula218.06dBm, and a corresponding second transmit power level of 90 may be determined. It can be understood that, according to the corresponding relationship between the theoretical power of the emission class and the emission power class, if the calculated theoretical power of 18.06dBm is between two theoretical powers of 18.08dBm and 18.02dBm in the comparison table of the theoretical power of two preset emission classes and the emission power class, the emission power class 90 corresponding to 18.08dBm is taken, that is, the value is taken from the previous stage when the corresponding emission power class takes a value, so as to ensure that the wireless communication is normal.
According to the method for adjusting the transmitting power level of the wireless equipment, provided by the embodiment of the invention, the theoretical power of the second transmitting level is calculated firstly according to the wireless noise level, the signal intensity, the preset value constant and the theoretical power of the first transmitting level, then the second transmitting power level is determined according to the one-to-one corresponding relation between the theoretical power of the second transmitting level and the second transmitting power level, and the second transmitting power level can be accurately calculated through a preset formula, so that the transmitting power level of the wireless equipment is more accurately adjusted.
EXAMPLE III
Fig. 5 is a schematic structural diagram of an apparatus 200 for adjusting a transmission power level of a wireless device according to a third embodiment of the present invention, where for convenience of description, only parts related to the third embodiment of the present invention are shown, the apparatus 200 includes:
the wireless data transmitting unit 210 is configured to transmit wireless data to a wireless receiver at a first transmission power level, where the first transmission power level corresponds to a theoretical power of the first transmission level.
In the embodiment of the present invention, the first transmission power level may be 200, 150, 145, 130, 88, 70, 50, 35, etc., and is specifically set according to actual situations.
As an embodiment of the present invention, the theoretical power of the first transmission level may be-40 dBm, -30dBm, -10dBm, 1dBm, 5dBm, 10dBm, 13dBm, 20dBm, 30dBm, etc., and may be set according to different types of RF chips.
In the embodiment of the present invention, the wireless data includes the wireless noise level (i.e., wireless noise level) of the device itself, the signal strength received by the device, and the like.
In the embodiment of the present invention, each level of the transmission power level of the wireless device corresponds to a corresponding transmission level theoretical power, for example, a first transmission power level of 126 corresponds to a theoretical power of a transmission level of 19.72dBm, and a first transmission power level of 7 corresponds to a theoretical power of a transmission level of 0.25 dBm.
As an embodiment of the present invention, when the wireless device sends wireless data to the wireless receiver at the first transmission power level, the wireless device carries its own source address and the destination address of the receiver, and the source address of each wireless device and the destination address of the receiver may be set in advance in a pairing manner, so that when multiple sets of wireless temperature control systems exist in the same area at the same time or multiple wireless devices exist in one set of systems, it is ensured that data transmission between each wireless device and the receiver is not disordered.
A detected data obtaining unit 220, configured to obtain a wireless noise level detected by the wireless receiver during receiving the wireless data and a signal strength (hereinafter referred to as signal strength) of the wireless device.
In the embodiment of the invention, the value range of the wireless noise level is-105 dBm to-80 dBm.
As a preferred embodiment of the present invention, the signal strength ranges from-95 dBm to-30 dBm.
A difference determination unit 230, configured to determine whether a difference between the signal strength and the wireless noise level is greater than a predetermined constant value.
In the embodiment of the present invention, the predetermined value constant may be 8dBm, 10dBm, 12dBm, 15dBm, 16dBm, etc., and generally ranges from 8dBm to 18dBm, which is specifically set according to the actual situation.
And a second transmission power level determining unit 240, configured to determine a second transmission power level according to the wireless noise level, the signal strength, the predetermined value constant, and the theoretical power of the first transmission level when it is determined that the difference between the signal strength and the wireless noise level is greater than the predetermined value constant.
In the embodiment of the present invention, the second transmission power level may be 180, 150, 145, 130, 88, 70, 50, 35, 20, etc., and is set according to actual situations. It will be appreciated that the second transmit power level is typically less than the first transmit power level.
For example, a first transmit power level of 125 corresponds to a theoretical power of 19.68dBm, a wireless noise level of-93 dBm, a signal strength of-80 dBm, and a predetermined value constant of 10dBm, then a second transmit power level of 66 may be determined.
For example, if the first transmission power level is 30, the theoretical power of the corresponding first transmission level is 13.17dBm, the wireless noise level is-85 dBm, the signal strength is-70 dBm, and the predetermined value constant is 14dBm, then the second transmission power level can be determined to be 27.
And a next wireless data transmitting unit 250, configured to transmit next wireless data at the second transmission power level.
As a practical application of the present invention, a wireless device A and a wireless receiver A1The RF chips in (1) are all RF chips of a Si4463 model. For example, when data is transmitted at the maximum power level during the first communication, that is, the first transmission power level is 127, the theoretical power of the corresponding first transmission level is 19.78dBm, the wireless noise level is-95 dBm, the signal strength is-77 dBm, and the predetermined value constant is 12dBm, it can be determined that the second transmission power level is 35, that is, the wireless device a transmits the next wireless data at the transmission power level of 35 for the second time.
As another practical application of the present invention, a wireless device B and a wireless receiver B1The RF chips in (1) are all RF chips of a Si4463 model. If the first transmission power level is 29, the theoretical power of the corresponding first transmission level is 12.83dBm, the wireless noise level is-95 dBm, the signal intensity is 83dBm, and the predetermined value constant is 12dBm, then the next wireless data is continuously transmitted at the transmission power level of 29 for the second time. This illustrates that wireless device B can just guarantee that wireless device and wireless are at the first transmit power level of 29The receiver is in normal communication with the lowest power consumption and the lowest noise interference to other wireless devices.
It is to be appreciated that during initial communication, each wireless device transmits wireless data at a maximum power level (or a contracted power level). After the wireless device sends wireless data to the wireless receiver at a first transmission power level, when the difference between the signal intensity of the wireless device and the wireless noise level detected by the wireless receiver in the process of receiving the wireless data is larger than a preset value constant, determining a second transmission power level according to the signal intensity, the wireless noise level and the theoretical power of the first transmission level corresponding to the first transmission power level, and sending the next wireless data at the second transmission power level; and when the difference between the received signal strength of the wireless equipment and the wireless noise level is less than or equal to a preset value constant, the first transmission power level is kept unchanged, and the next wireless data is continuously transmitted at the first transmission power level, so that the normal communication of the wireless equipment is ensured, the energy consumption of the wireless equipment is effectively reduced, the noise interference to other wireless equipment in the same network or different networks is reduced, the wireless noise environment used by the wireless equipment is improved, and the noise environment of the whole wireless network is optimized.
The wireless device transmitting power level adjusting device provided by the embodiment of the invention determines the second transmitting power level according to the acquired wireless noise level detected by the wireless receiver in the process of receiving the wireless data, the signal intensity of the wireless device and the theoretical power of the first transmitting level when the wireless device transmits the wireless data, so that the data is transmitted according to the adjusted second transmitting power level when the next data is transmitted, the normal communication of the device can be ensured, the energy consumption of the device can be effectively reduced, the service life of a battery is prolonged, and the use cost of a user is saved; noise interference among wireless devices in the same area is reduced, and the stability of device communication is improved.
Referring to fig. 6, in the embodiment of the present invention, the second transmit power level determining unit 240 specifically includes:
a theoretical power determining module 241 of the second transmission level, configured to calculate a theoretical power of the second transmission level according to the wireless noise level, the signal strength, the predetermined value constant, and the theoretical power of the first transmission level;
and a second transmission power level determining module 242, configured to determine a corresponding second transmission power level according to the theoretical power of the second transmission level.
In the embodiment of the present invention, the theoretical power of the first transmission level and the first transmission power level, and the theoretical power of the second transmission level and the second transmission power level are all in a one-to-one correspondence relationship, that is, a preset comparison table of the theoretical power of the transmission level and the transmission power level may be used for one-to-one correspondence.
As a practical application of the present invention, the theoretical power V of the first transmission level is also exemplified by a radio device and a radio receiver provided with an RF chip of type Si44631At 17.03dBm, the wireless noise level S1Is-100 dBm, signal strength S2Is-86 dBm, predetermined value constant E0At 12dBm, the theoretical power V for the second transmission level can be calculated215.03dBm, and a corresponding second transmit power level of 47 may be determined.
As another practical application of the present invention, also taking a radio apparatus and a radio receiver provided with an RF chip of type Si4463 as an example, the theoretical power V of the first transmission level119.06dBm, radio noise level S1Is-88 dBm, signal strength S2Is-75 dBm, predetermined value constant E0At 12dBm, the theoretical power V for the second transmission level can be calculated218.06dBm, and a corresponding second transmit power level of 90 may be determined. It can be understood that, according to the corresponding relationship between the theoretical power of the emission class and the emission power class, if the calculated theoretical power of 18.06dBm is between two theoretical powers of 18.08dBm and 18.02dBm in the comparison table of the theoretical power of two preset emission classes and the emission power class, the emission power class 90 corresponding to 18.08dBm is taken, that is, the value is taken from the previous stage when the corresponding emission power class takes a value, so as to ensure that the wireless communication is normal.
According to the wireless equipment transmitting power grade adjusting device provided by the embodiment of the invention, the theoretical power of the second transmitting grade is calculated firstly according to the wireless noise level, the signal intensity, the preset value constant and the theoretical power of the first transmitting grade, and then the second transmitting power grade is determined according to the one-to-one corresponding relation between the theoretical power of the second transmitting grade and the second transmitting power grade, so that the transmitting power grade of the wireless equipment is adjusted more accurately.
Example four
Fig. 7 is a schematic structural diagram of a wireless device transmission power level adjustment system 300 according to a fourth embodiment of the present invention, and for convenience of illustration, only the parts related to the embodiment of the present invention are shown. The system 300 includes:
the wireless data transmitting unit 210 is configured to transmit wireless data to a wireless receiver at a first transmission power level, where the first transmission power level corresponds to a theoretical power of the first transmission level.
In the embodiment of the present invention, the first transmission power level may be 180, 150, 145, 130, 88, 70, 50, 35, 20, etc., and is specifically set according to actual situations.
As an embodiment of the present invention, the theoretical power of the first transmission level may be-40 dBm, -30dBm, -10dBm, 1dBm, 5dBm, 10dBm, 13dBm, 20dBm, 30dBm, etc., and may be set according to different types of RF chips.
In the embodiment of the present invention, each level of the transmission power level of the wireless device corresponds to a corresponding transmission level theoretical power, for example, a first transmission power level of 126 corresponds to a theoretical power of a transmission level of 19.72dBm, and a first transmission power level of 7 corresponds to a theoretical power of a transmission level of 0.25 dBm.
As an embodiment of the present invention, when the wireless device sends wireless data to the wireless receiver at the first transmission power level, the wireless device carries its own source address and the destination address of the receiver, and the source address of each wireless device and the destination address of the receiver may be set in advance in a pairing manner, so that when multiple sets of wireless temperature control systems exist in the same area at the same time or multiple wireless devices exist in one set of systems, it is ensured that data transmission between each wireless device and the receiver is not disordered.
A wireless data receiving unit 310, configured to receive wireless data sent by a wireless device.
A data detection unit 320 for the wireless receiver to detect the wireless noise level and the signal strength of the wireless device during the reception of the wireless data.
In the embodiment of the invention, the value range of the wireless noise level is-105 dBm to-80 dBm.
As a preferred embodiment of the present invention, the signal strength ranges from-95 dBm to-30 dBm.
A detected data transmitting unit 330 for returning the wireless noise level and the signal strength of the wireless device to the wireless device.
A detected data obtaining unit 220, configured to obtain a wireless noise level detected by the wireless receiver during receiving wireless data and a signal strength of the wireless device.
A difference determination unit 230, configured to determine whether a difference between the signal strength and the wireless noise level is greater than a predetermined constant value.
In the embodiment of the present invention, the predetermined value constant may be 8dBm, 10dBm, 12dBm, 15dBm, 16dBm, etc., and generally ranges from 8dBm to 18dBm, which is specifically set according to the actual situation.
And a second transmission power level determining unit 240, configured to determine a second transmission power level according to the wireless noise level, the signal strength, the predetermined value constant, and the theoretical power of the first transmission level when it is determined that the difference between the signal strength and the wireless noise level is greater than the predetermined value constant.
In the embodiment of the present invention, the second transmission power level may be 180, 150, 145, 130, 88, 70, 50, 35, 20, etc., and is set according to actual situations. It will be appreciated that the second transmit power level is typically less than the first transmit power level.
For example, a first transmit power level of 125 corresponds to a theoretical power of 19.68dBm, a wireless noise level of-93 dBm, a signal strength of-80 dBm, and a predetermined value constant of 10dBm, then a second transmit power level of 66 may be determined.
For example, if the first transmission power level is 30, the theoretical power of the corresponding first transmission level is 13.17dBm, the wireless noise level is-85 dBm, the signal strength is-70 dBm, and the predetermined value constant is 14dBm, then the second transmission power level can be determined to be 27.
And a next wireless data transmitting unit 250, configured to transmit next wireless data at the second transmission power level.
As a practical application of the present invention, a wireless device C and a wireless receiver C1The RF chips in (1) are all RF chips of a Si4463 model. If data is transmitted at the maximum power level during the first communication, that is, the first transmission power level is 126, the theoretical power of the corresponding first transmission level is 19.72dBm, the wireless noise level is-82 dBm, the signal strength is-69 dBm, and the predetermined value constant is 12dBm, it can be determined that the second transmission power level is 103, that is, the wireless device C transmits the next wireless data at the transmission power level of 103 for the second time.
As another practical application of the present invention, a wireless device D and a wireless receiver D1The RF chips in (1) are all RF chips of a Si4463 model. And if the first transmission power level is 70, the theoretical power of the corresponding first transmission level is 17.03dBm, the wireless noise level is-94 dBm, the signal strength is-82 dBm and the preset value constant is 12dBm, and then the next wireless data is continuously transmitted for the second time at the transmission power level of 70. It is shown that the wireless device D can just ensure normal communication between the wireless device and the wireless receiver at the first transmission power level of 70, and has the lowest power consumption and the lowest noise interference to other wireless devices.
It is to be appreciated that during initial communication, each wireless device transmits wireless data at a maximum power level (or a contracted power level). After the wireless device sends wireless data to the wireless receiver at a first transmission power level, when the difference between the signal intensity of the wireless device and the wireless noise level detected by the wireless receiver in the process of receiving the wireless data is larger than a preset value constant, determining a second transmission power level according to the signal intensity, the wireless noise level and the theoretical power of the first transmission level corresponding to the first transmission power level, and sending the next wireless data at the second transmission power level; and when the difference between the received signal strength of the wireless equipment and the wireless noise level is less than or equal to a preset value constant, the first transmission power level is kept unchanged, and the next wireless data is continuously transmitted at the first transmission power level, so that the normal communication of the wireless equipment is ensured, the energy consumption of the wireless equipment is effectively reduced, the noise interference to other wireless equipment in the same network or different networks is reduced, the wireless noise environment used by the wireless equipment is improved, and the noise environment of the whole wireless network is optimized.
Referring to fig. 6, in the embodiment of the present invention, the second transmit power level determining unit 240 specifically includes:
a theoretical power determining module 241 of the second transmission level, configured to calculate a theoretical power of the second transmission level according to the wireless noise level, the signal strength, the predetermined value constant, and the theoretical power of the first transmission level;
and a second transmission power level determining module 242, configured to determine a corresponding second transmission power level according to the theoretical power of the second transmission level.
In the embodiment of the present invention, the theoretical power of the first transmission level and the first transmission power level, and the theoretical power of the second transmission level and the second transmission power level are all in a one-to-one correspondence relationship, that is, a preset comparison table of the theoretical power of the transmission level and the transmission power level may be used for one-to-one correspondence.
As a practical application of the present invention, the theoretical power V of the first transmission level is also exemplified by a radio device and a radio receiver provided with an RF chip of type Si44631At 17.03dBm, the wireless noise level S1Is-100 dBm, signal strength S2Is-86 dBm, predetermined value constant E012dBm, the theoretical power V of the second emission level can be calculated according to the preset formula215.03dBm, and a corresponding second transmit power level of 47 may be determined.
The wireless device transmitting power level adjusting system provided by the embodiment of the invention determines the second transmitting power level according to the acquired wireless noise level detected by the wireless receiver in the process of receiving the wireless data, the signal intensity of the wireless device and the theoretical power of the first transmitting level when the wireless device transmits the wireless data, so that the data is transmitted according to the adjusted second transmitting power level when the next data is transmitted, the normal communication of the device can be ensured, the energy consumption of the device can be effectively reduced, the service life of a battery is prolonged, and the use cost of a user is saved; noise interference among wireless devices in the same area is reduced, and the stability of device communication is improved.
The embodiment of the invention provides a wireless equipment transmitting power grade adjusting terminal, which comprises: a processor, a memory, and a computer program stored in the memory and executable on the processor. The processor, when executing the computer program, implements the functions of the above-described respective wireless device transmission power level adjustment method embodiments.
Illustratively, a computer program can be partitioned into one or more modules, which are stored in memory and executed by a processor to implement the present invention. One or more of the modules may be a series of computer program instruction segments capable of performing certain functions that describe the execution of a computer program in a wireless device transmit power level adjustment terminal.
Those skilled in the art will appreciate that the above description of a wireless device transmit power level adjustment terminal is merely exemplary and does not constitute a limitation of a wireless device transmit power level adjustment terminal and may include more or less components than those described above, or some components in combination, or different components, such as input output devices, network access devices, buses, etc.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Micro Control Unit (MCU), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, a discrete hardware component, etc. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, the processor is a control center of the wireless device transmission power level adjustment terminal, and various interfaces and lines are used to connect various parts of the whole wireless device transmission power level adjustment terminal.
The memory may be used to store the computer programs and/or modules, and the processor may implement the various functions of the wireless device transmission power level adjustment terminal by running or executing the computer programs and/or modules stored in the memory and invoking the data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
The wireless device transmission power level adjustment terminal integrated module/unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, all or part of the functions of the units in the system according to the above embodiments may be implemented by a computer program, which may be stored in a computer-readable storage medium and used by a processor to implement the functions of the above embodiments of the method. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A method for adjusting a transmission power level of a wireless device, the method comprising:
sending wireless data to a wireless receiver at a first transmission power level, wherein the first transmission power level corresponds to the theoretical power of the first transmission level;
acquiring the wireless noise level and the signal strength of a wireless device detected by the wireless receiver in the process of receiving the wireless data;
judging whether the difference value between the signal intensity and the wireless noise level is larger than a preset value constant or not;
when the difference value between the signal intensity and the wireless noise level is judged to be larger than the preset value constant, determining a second transmission power level according to the wireless noise level, the signal intensity, the preset value constant and the theoretical power of the first transmission level;
and sending the next wireless data according to the second transmission power level.
2. The method of claim 1, wherein the step of determining a second transmit power level based on the wireless noise level, the signal strength, the predetermined value constant, and the theoretical power of the first transmit level comprises:
calculating theoretical power of a second transmission level according to the wireless noise level, the signal strength, a preset value constant and the theoretical power of the first transmission level;
and determining a corresponding second transmitting power grade according to the theoretical power of the second transmitting grade.
3. The method for adjusting the transmission power level of a wireless device according to claim 2, wherein the step of calculating the theoretical power of the second transmission level according to the wireless noise level, the signal strength, the predetermined value constant and the theoretical power of the first transmission level specifically comprises:
V2＝V1-[(S2-S1)-E0]wherein, in the step (A),
E0is a predetermined value constant, V1Is the theoretical power of the first transmission class, V2Theoretical power, S, for said second transmission level1For the wireless noise level, S2Is the signal strength.
4. The wireless device transmit power level adjustment method of claim 3, wherein E is0The value range of (1) is 8-18 dBm.
5. An apparatus for wireless device transmit power level adjustment, the apparatus comprising:
a wireless data transmitting unit, configured to transmit wireless data to a wireless receiver at a first transmission power level, where the first transmission power level corresponds to a theoretical power of a first transmission level;
a detection data acquisition unit for acquiring the wireless noise level detected by the wireless receiver in the process of receiving the wireless data and the signal strength of the wireless device;
a difference determination unit configured to determine whether a difference between the signal strength and the wireless noise level is greater than a predetermined value constant;
a second transmission power level determining unit, configured to determine a second transmission power level according to the wireless noise level, the signal strength, a predetermined value constant, and a theoretical power of the first transmission level when it is determined that the difference between the signal strength and the wireless noise level is greater than the predetermined value constant;
and the next wireless data sending unit is used for sending the next wireless data according to the second transmitting power level.
6. The apparatus for adjusting transmission power level of a wireless device according to claim 5, wherein the second transmission power level determining unit specifically includes:
the theoretical power determining module of the second transmission grade is used for calculating the theoretical power of the second transmission grade according to the wireless noise level, the signal intensity, the preset value constant and the theoretical power of the first transmission grade;
and the second transmitting power grade determining module is used for determining a corresponding second transmitting power grade according to the theoretical power of the second transmitting grade.
7. A wireless device transmit power level adjustment system, the system comprising:
a wireless data transmitting unit, configured to transmit wireless data to a wireless receiver at a first transmission power level, where the first transmission power level corresponds to a theoretical power of a first transmission level;
a wireless data receiving unit, configured to receive the wireless data sent by a wireless device;
a data detection unit for detecting a wireless noise level and a signal strength of a wireless device during reception of the wireless data by the wireless receiver;
a detection data transmitting unit for returning the wireless noise level and the signal strength of the wireless device to the wireless device;
a detection data acquisition unit for acquiring the wireless noise level and the signal strength of the wireless device detected by the wireless receiver during the wireless data reception;
a difference determination unit configured to determine whether a difference between the signal strength and the wireless noise level is greater than a predetermined value constant;
a second transmission power level determining unit, configured to determine a second transmission power level according to the wireless noise level, the signal strength, a predetermined value constant, and a theoretical power of the first transmission level when it is determined that the difference between the signal strength and the wireless noise level is greater than the predetermined value constant;
and the next wireless data sending unit is used for sending the next wireless data according to the second transmitting power level.
8. The system for adjusting transmission power level of wireless device of claim 7, wherein the second transmission power level determining unit specifically comprises:
the theoretical power determining module of the second transmission grade is used for calculating the theoretical power of the second transmission grade according to the wireless noise level, the signal intensity, the preset value constant and the theoretical power of the first transmission grade;
and the second transmitting power grade determining module is used for determining a corresponding second transmitting power grade according to the theoretical power of the second transmitting grade.
9. A wireless device transmission power level adjustment terminal, comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor when executing the computer program implements the functions of the wireless device transmission power level adjustment method according to any one of claims 1 to 4.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program which, when executed by a processor, implements the functions of the wireless device transmission power level adjustment method as claimed in any one of claims 1 to 4.
CN202010679297.4A 2020-07-15 2020-07-15 Wireless device power level adjustment method, device, system, terminal and medium Pending CN111935810A (en)

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