CN110881209B - Power adjusting method and device and communication system - Google Patents
Power adjusting method and device and communication system Download PDFInfo
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- CN110881209B CN110881209B CN201811039419.2A CN201811039419A CN110881209B CN 110881209 B CN110881209 B CN 110881209B CN 201811039419 A CN201811039419 A CN 201811039419A CN 110881209 B CN110881209 B CN 110881209B
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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
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
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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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Abstract
The invention provides a power adjusting method, a device and a communication system, wherein in an intercom state, a first handheld terminal sends a power adjusting request signal to a second handheld terminal according to the transmitting power in the current state of the first handheld terminal, the second handheld terminal selects corresponding power according to the received power adjusting request signal, the first handheld terminal feeds back a confirmation signal to judge whether the transmitting power meets the power consumption requirement according to the received confirmation signal, a communication link between the first handheld terminal and the second handheld terminal is established according to a judging result, and a communication message is sent according to the transmitting power, so that the automatic switching of the transmitting power of the handheld terminal when the signal is transmitted is realized, the purpose of searching the minimum transmitting power capable of ensuring the quality of communication between certain distances of the two parties of communication is realized, the using time of the terminal is prolonged, the radiation of the terminal to a human body when the terminal transmits at high power is realized, the energy is saved, the environment is protected, and the using experience of a user is improved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a power adjustment method and apparatus, and a communications system.
Background
At present, a professional communication handheld terminal is a portable mobile communication product, in particular a wireless communication interphone, based on the development trend of the prior products, the power consumption problem of the products is more and more emphasized, the power of the handheld terminal is generally provided with two gears, namely a high power HI (2-5W) and a LOW power LOW (0.5-1W), the two gears are respectively provided with corresponding switching control switches on the terminal, and a user can manually switch the switching switches to realize the switching before the two gears.
However, in order to ensure that the handheld terminal can receive signals sent by other terminals in any time, the terminal can keep selecting a gear of high power H to work most of the time, and because a user cannot judge whether the distance between the other party and the user can be directly connected, whether the low power L can affect the communication quality and contact cannot be determined, and most people can directly use the high power HI to communicate; therefore, power saving cannot be ensured, power consumption is overlarge, excessive waste of resources is caused, and even radiation of the power source is harmful to users because the power source is positioned in a high-power gear for a long time, so that the use experience of users is greatly reduced.
Disclosure of Invention
The invention provides a power adjusting method, a power adjusting device and a communication system, which solve the technical problems of resource waste of a terminal caused by the fact that the existing on-line switching mode is not intelligent enough and the terminal is in a high-power-consumption gear for a long time.
The invention provides a power adjusting method, which comprises the following steps:
in the intercom state, the first handheld terminal sends a power adjustment request signal to the second handheld terminal according to the transmitting power in the current state;
the second handheld terminal selects corresponding power according to the power adjustment request signal and feeds back a confirmation signal;
the first handheld terminal judges whether the transmitting power meets the power consumption requirement according to the received confirmation signal;
and establishing a communication link between the first handheld terminal and the second handheld terminal according to the judging result, and sending a communication message according to the transmitting power.
Further, the method further comprises: n transmitting power levels which are sequenced from small to large are arranged on the first handheld terminal, N is a positive integer, and the maximum value of the N transmitting power levels is taken as the transmitting power of the first handheld terminal in the current state.
Further, the second handheld terminal selects the corresponding power according to the power adjustment request signal, and the feedback confirmation signal includes:
determining the corresponding signal strength according to the power adjustment request signal;
determining a position of the signal intensity in a second preset signal intensity interval;
determining feedback transmitting power of the second handheld terminal according to the position of the signal intensity in the second preset signal interval;
and feeding back confirmation information to the first handheld terminal according to the feedback transmitting power.
Further, the second handheld terminal selects the corresponding power according to the power adjustment request signal, and the feedback confirmation signal includes:
the second handheld terminal extracts the transmitting power level of the power adjustment request signal;
and determining feedback transmitting power according to the transmitting power level, and transmitting an acknowledgement signal to the first handheld terminal according to the feedback transmitting power.
Further, the first handheld terminal judging whether the transmitting power meets the power consumption requirement according to the received confirmation signal includes:
determining the signal strength of the confirmation signal according to the confirmation signal;
and according to whether the signal intensity of the confirmation signal falls in a first preset signal intensity interval or not.
Further, the establishing a communication link between the first handheld terminal and the second handheld terminal according to the determination result, and transmitting a communication message according to the transmitting power includes:
if the judgment result shows that the signal intensity of the confirmation signal falls in the first preset signal intensity interval, determining that the transmitting power is the optimal transmitting power of the first handheld terminal;
and establishing a communication link between the first handheld terminal and the second handheld terminal, and mutually exchanging communication messages according to the optimal transmitting power.
Further, if the signal strength of the acknowledgement signal does not fall within the first preset signal strength interval, the adjusting method further includes:
and adjusting the transmitting power to the transmitting power value of the next level, and re-transmitting a power adjustment request signal to the second handheld terminal according to the adjusted transmitting power.
Further, before the first handheld terminal determines whether the transmitting power meets the power consumption requirement according to the received acknowledgement signal, the method further includes:
acquiring a time difference between transmitting the power adjustment request signal and receiving the acknowledgement signal;
judging whether the time difference is smaller than a preset time difference or not;
if the time difference is smaller than the preset time difference, executing the step of judging whether the transmitting power meets the power consumption requirement according to the received confirmation signal;
and if the time difference is larger than the preset time difference, ending the communication between the first handheld terminal and the second handheld terminal.
Further, the present invention also provides a power adjusting device, including:
the transmitting module is used for transmitting a power adjustment request signal to the receiving end according to the transmitting power of the power adjusting device in the current state in the intercom state;
the judging module is used for judging whether the transmitting power meets the power consumption requirement according to the received feedback confirmation signal of the power adjustment request signal by the receiving end;
and the interaction module is used for establishing a communication link between the first handheld terminal and the second handheld terminal according to the judging result and sending a communication message according to the transmitting power.
Further, the invention also provides a communication system, which comprises the power adjusting device and a receiving end;
the power regulating device sends a power regulating request signal to the receiving end according to the transmitting power in the current state of the power regulating device in the intercom state;
the receiving end selects corresponding power according to the power adjustment request signal and feeds back a confirmation signal;
the power adjusting device judges whether the transmitting power meets the power consumption requirement according to the received confirmation signal;
and establishing a communication link between the power regulating device and the receiving end according to the judging result, and sending a communication message according to the transmitting power.
The invention has the beneficial effects that:
the invention provides a power adjusting method, a device and a communication system, wherein in an intercom state, a first handheld terminal sends a power adjusting request signal to a second handheld terminal according to the transmitting power in the current state of the first handheld terminal, the second handheld terminal selects corresponding power according to the received power adjusting request signal, the first handheld terminal returns a confirmation signal to judge whether the transmitting power meets the power consumption requirement according to the received confirmation signal, a communication link between the first handheld terminal and the second handheld terminal is established according to a judging result, and a communication message is sent according to the transmitting power.
Drawings
FIG. 1 is a flow chart of a power adjustment method according to an embodiment of the present invention;
FIG. 2 is a flowchart of a power adjustment method according to an embodiment of the present invention;
FIG. 3 is another flowchart of a power adjustment method according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a power adjusting device according to an embodiment of the present invention.
Detailed Description
The invention will now be further explained by means of specific embodiments in connection with the accompanying drawings.
First embodiment:
in the prior art, when a user presses a PTT button while using a handheld terminal, the terminal transmits a voice signal of the user according to the current highest transmitting power of the terminal, so that the set transmitting power selection cannot determine the minimum power of the current state of the terminal, but the method for ensuring that the opposite terminal can receive the signal under any condition, thus greatly consuming the electric quantity of the terminal and shortening the endurance time of the terminal is adopted.
Referring to fig. 1, fig. 1 is a flowchart of a power adjustment method according to an embodiment of the present invention, where the adjustment method specifically includes the following processing steps:
s101, in the intercom state, the first handheld terminal sends a power adjustment request signal to the second handheld terminal according to the transmitting power in the current state.
And S102, the second handheld terminal selects corresponding power according to the power adjustment request signal and feeds back a confirmation signal.
And S103, the first handheld terminal judges whether the transmitting power meets the power consumption requirement according to the received confirmation signal.
And S104, establishing a communication link between the first handheld terminal and the second handheld terminal according to the judging result, and sending a communication message according to the transmitting power.
In this embodiment, the first handheld terminal and the second handheld terminal refer to a wireless communication interphone specifically, and the wireless communication interphone includes two working states, one of which is a receiving state, that is, a state that the interphone is in standby for receiving an external signal; the other is an intercom state, that is, a state in which a user communicates with other interphones by using the interphone, and the triggering of the state is usually triggered when the user presses a PTT button on the interphone.
Before step S101 of this embodiment, setting a plurality of transmission power levels for the first handheld terminal, where transmission power levels of different levels may implement communications of different distances, specifically, N transmission power levels ordered from small to large are set on the first handheld terminal, where N is a positive integer, preferably n=10 may be selected, and a maximum value of the N transmission power levels is taken as the transmission power of the first handheld terminal in the current state, where in practical application, a maximum value of the N levels may be selected as the default transmission power of the first handheld terminal, that is, when the user first presses PTT, the signal is transmitted to the second handheld terminal with the maximum transmission power first.
In step S101, when the first handheld terminal detects that the PTT button on the interphone is pressed, it indicates that the first handheld terminal is in an intercom state, and at this time, the first handheld terminal obtains the transmission power of the terminal in the intercom state, and transmits a signal to the second handheld terminal according to the obtained transmission power, specifically, may be a transmission power adjustment request signal, or even may directly perform normal voice communication, but may add a flag information to the transmitted signal, so that the second handheld terminal may also perform fine adjustment of the transmission power.
In step S102, after receiving the power adjustment request signal sent by the first handheld terminal, the second handheld terminal determines a corresponding power according to the power adjustment request signal, where the power refers to a transmission power of the second handheld terminal, and returns an acknowledgement signal to the first handheld terminal according to the determined transmission power.
In this embodiment, for step S102, it may be specifically implemented in the following two ways:
in a first mode, the second handheld terminal selects the corresponding power according to the power adjustment request signal, and the feedback confirmation signal includes:
determining the corresponding signal strength according to the power adjustment request signal;
determining a position of the signal intensity in a second preset signal intensity interval;
determining feedback transmitting power of the second handheld terminal according to the position of the signal strength in the second preset signal strength interval;
and feeding back confirmation information to the first handheld terminal according to the feedback transmitting power.
In practical application, the second preset signal strength interval may be a large interval or an interval set including a plurality of sub-intervals, and when the interval set is the interval set, after receiving the power adjustment request signal, the second handheld terminal analyzes the power adjustment request signal to obtain the corresponding signal strength and power level, determines which sub-interval in the interval set the signal strength is in, and then returns a confirmation signal to the first handheld terminal according to the transmission power corresponding to the sub-interval.
When the second preset signal strength interval is a large interval, after the second handheld terminal receives the power adjustment request signal, the power adjustment request signal is analyzed to obtain corresponding signal strength and power level, the difference value between the signal strength and the maximum value and the minimum value in the interval is calculated, the transmitting power is determined according to the difference value, and then a confirmation signal is fed back to the first handheld terminal according to the determined transmitting power.
In a second mode, the second handheld terminal selects the corresponding power according to the power adjustment request signal, and the feedback confirmation signal includes:
the second handheld terminal extracts the transmitting power level of the power adjustment request signal;
and determining feedback transmitting power according to the transmitting power level, and transmitting an acknowledgement signal to the first handheld terminal according to the feedback transmitting power.
In practical application, the first handheld terminal adds a currently used transmitting power parameter to the transmitted request signal, and the second handheld terminal determines the transmitting power by detecting the transmitting power parameter and feeds back a confirmation signal by the transmitting power of the first handheld terminal.
In this embodiment, the determining, by the first handheld terminal, whether the transmit power meets the power consumption requirement according to the received acknowledgement signal includes:
determining the signal strength of the confirmation signal according to the confirmation signal;
and according to whether the signal intensity of the confirmation signal falls in a first preset signal intensity interval or not.
In practical application, the setting mode of the first preset signal strength interval is the same as the setting mode of the second preset signal strength interval, except that in step S103, the judging process only needs to judge whether the signal strength is in the interval, and whether the transmitting power used when the first handheld terminal transmits the power adjustment request signal is suitable for the current power consumption of the terminal is determined by judging whether the signal strength is in the interval.
In this embodiment, the establishing a communication link between the first handheld terminal and the second handheld terminal according to the determination result, and transmitting the communication message according to the transmit power includes:
if the judgment result shows that the signal intensity of the confirmation signal falls in the first preset signal intensity interval, determining that the transmitting power is the optimal transmitting power of the first handheld terminal;
and establishing a communication link between the first handheld terminal and the second handheld terminal, and mutually exchanging communication messages according to the optimal transmitting power.
In this embodiment, if the determination result is that the signal strength of the acknowledgement signal does not fall within the first preset signal strength interval, the adjusting method further includes:
and adjusting the transmitting power to the transmitting power value of the next level, and re-transmitting a power adjustment request signal to the second handheld terminal according to the adjusted transmitting power.
In practical application, when the first handheld terminal determines that the intensity of the received acknowledgement signal is greater than the maximum value in the interval, the first handheld terminal automatically adjusts the transmission power to the next level smaller than the current level, and sends a request signal for readjusting the transmission power to the second handheld terminal again, that is, returns to step S101, until the transmission power is within the interval, and then continues to execute the next step S104.
In this embodiment, in order to avoid that the first handheld terminal waits for the reaction time of the second handheld terminal to be too long after sending the request signal, before the first handheld terminal determines whether the transmitting power meets the power consumption requirement according to the received acknowledgement signal, the method further includes: setting a waiting time difference length, wherein the first handheld terminal does not perform the next operation, only waits for feedback of the first handheld terminal, and if the waiting time is exceeded, automatically adjusts the transmitting power to the next level and then transmits the transmitting power, or transmits the request signal again with the same transmitting power, or ends the current communication operation, and the setting steps specifically comprise:
acquiring a time difference between transmitting the power adjustment request signal and receiving the acknowledgement signal;
judging whether the time difference is smaller than a preset time difference or not;
if the time difference is smaller than the preset time difference, executing the step of judging whether the transmitting power meets the power consumption requirement according to the received confirmation signal;
and if the time difference is larger than the preset time difference, ending the communication between the first handheld terminal and the second handheld terminal.
As shown in fig. 2, in this embodiment, in conjunction with a specific adjustment procedure of a scene, specifically taking adjustment of an active transmitter and a receiver, the transmission power level includes 10 levels of P0-P9, which are ordered from small to large in sequence, as follows:
s201, the active transmitter detects that the PTT key is pressed.
S202, transmitting signals to the receiver with the P9 level transmitting power.
And S203, after receiving the request signal, the receiver judges the strength of the request signal, compares the power and selects a proper power to reply the signal sent by the active transmitter. Preferably, the transmit power selected for transmission of the received signal is here the P9 level transmit power return.
S204, after the active transmitter receives the feedback signal, judging whether the time for receiving the feedback signal is larger than the waiting time Tms of the response, preferably selecting and judging whether the time is larger than Tms/2, if so, executing the step S208, otherwise, continuously executing the step S205.
S205, judging whether the signal strength RSSI of the feedback signal is between a preset maximum value Rma and a preset minimum value Rmin, if so, executing the step S206, otherwise, executing the step S202.
S206, determining the current transmitting power of the transmitting request signal as the optimal transmitting power of the first handheld terminal.
S207, establishing a communication link between the active transmitter and the receiver, and performing mutual communication with the current transmission power.
S208, the communication connection fails, and the communication is ended.
In this embodiment, when it is determined that the strength of the feedback signal is not between the preset maximum and minimum signal strengths, the adjustment of the transmit power is performed again in step S202, and the transmit power is adjusted downward by one step in step S202 to P8 power, and then the request signal is sent to the receiver.
In practical application, in order to find the power Pa more quickly, the terminal does not need to find the Pa transmit power from the beginning every time the PTT key is pressed, which is time-consuming, and this embodiment also provides an optimized scheme, specifically, when PTT is pressed for the first time, the terminal starts to find with the last best power plane, if the condition is met, directly enters the link to start communication, and if the condition is not met, the terminal performs the search by increasing or decreasing the transmit power P, as shown in fig. 3. Because the distances between two communication parties are relatively fixed or the distance change is not large in most of time, the optimal power levels of two successive sides are relatively close, and Pa can be basically found out twice.
According to the power adjustment method, in the intercom state, the first handheld terminal sends the power adjustment request signal to the second handheld terminal according to the transmitting power in the current state of the handheld terminal, the second handheld terminal selects corresponding power according to the received power adjustment request signal, the first handheld terminal feeds back the confirmation signal to judge whether the transmitting power meets the power consumption requirement according to the received confirmation signal, a communication link between the first handheld terminal and the second handheld terminal is established according to the judging result, and a communication message is sent according to the transmitting power.
Second embodiment:
referring to fig. 4, fig. 4 is a power adjusting device provided in this embodiment, which includes a sending module 41, a judging module 42 and an interacting module 43, wherein,
a transmitting module 41, configured to transmit a power adjustment request signal to a receiving end according to the transmitting power of the current state of the power adjustment device in the intercom state;
a judging module 42, configured to judge whether the transmit power meets a power consumption requirement according to the received feedback acknowledgement signal of the power adjustment request signal;
and the interaction module 43 is configured to establish a communication link between the first handheld terminal and the second handheld terminal according to the determination result, and send a communication message according to the transmission power.
In this embodiment, the power adjustment device further includes that N transmission power levels are arranged on the first handheld terminal in a descending order, N is a positive integer, and the maximum value of the N transmission power levels is taken as the transmission power of the first handheld terminal in the current state.
In this embodiment, the determining module 42 specifically determines the signal strength of the acknowledgement signal according to the acknowledgement signal;
and according to whether the signal intensity of the confirmation signal falls in a first preset signal intensity interval or not.
In this embodiment, when the signal strength of the acknowledgement signal falls within the first preset signal strength interval as a result of the determination, the interaction module 43 determines that the transmission power is the optimal transmission power of the first handheld terminal;
and establishing a communication link between the first handheld terminal and the second handheld terminal, and mutually exchanging communication messages according to the optimal transmitting power.
In this embodiment, when the determination result is that the signal strength of the acknowledgement signal does not fall within the first preset signal strength interval, the interaction module 43 further includes:
and adjusting the transmitting power to the transmitting power value of the next level, and re-transmitting a power adjustment request signal to the second handheld terminal according to the adjusted transmitting power.
In this embodiment, before determining whether the transmit power meets the power consumption requirement according to the received acknowledgement signal, the power adjustment device further includes:
acquiring a time difference between transmitting the power adjustment request signal and receiving the acknowledgement signal;
judging whether the time difference is smaller than a preset time difference or not;
if the time difference is smaller than the preset time difference, executing the step of judging whether the transmitting power meets the power consumption requirement according to the received confirmation signal;
and if the time difference is larger than the preset time difference, ending the communication between the first handheld terminal and the second handheld terminal.
Further, the invention also provides a communication system, which comprises the power adjusting device and a receiving end;
the power regulating device sends a power regulating request signal to the receiving end according to the transmitting power in the current state of the power regulating device in the intercom state;
the receiving end selects corresponding power according to the power adjustment request signal and feeds back a confirmation signal;
the power adjusting device judges whether the transmitting power meets the power consumption requirement according to the received confirmation signal;
and establishing a communication link between the power regulating device and the receiving end according to the judging result, and sending a communication message according to the transmitting power.
Further, the present invention also provides a computer-readable storage medium storing one or more programs executable by one or more processors to implement the steps of:
in the intercom state, the first handheld terminal sends a power adjustment request signal to the second handheld terminal according to the transmitting power in the current state;
the second handheld terminal selects corresponding power according to the power adjustment request signal and feeds back a confirmation signal;
the first handheld terminal judges whether the transmitting power meets the power consumption requirement according to the received confirmation signal;
and establishing a communication link between the first handheld terminal and the second handheld terminal according to the judging result, and sending a communication message according to the transmitting power.
In summary, through the implementation of the invention, at least the following beneficial effects exist:
the invention provides a power adjusting method, a device and a communication system, wherein in an intercom state, a first handheld terminal sends a power adjusting request signal to a second handheld terminal according to the transmitting power in the current state of the handheld terminal, the second handheld terminal selects corresponding power according to the received power adjusting request signal, the first handheld terminal returns a confirmation signal to judge whether the transmitting power meets the power consumption requirement according to the received confirmation signal, a communication link between the first handheld terminal and the second handheld terminal is established according to the judging result, and a communication message is sent according to the transmitting power.
The foregoing is only specific embodiments of the present invention, and the present invention is not limited in any way, and any simple modification, equivalent variation, combination or modification made to the above embodiments according to the technical substance of the present invention still falls within the scope of the technical solution of the present invention.
Claims (8)
1. A method of power regulation, the method comprising:
in the intercom state, the first handheld terminal sends a power adjustment request signal to the second handheld terminal according to the transmitting power in the current state;
the second handheld terminal selects corresponding power according to the power adjustment request signal and feeds back a confirmation signal;
the first handheld terminal judges whether the transmitting power meets the power consumption requirement according to the received confirmation signal;
establishing a communication link between the first handheld terminal and the second handheld terminal according to the judgment result, and sending a communication message according to the transmitting power;
the second handheld terminal selects corresponding power according to the power adjustment request signal, and the feedback confirmation signal comprises:
determining the corresponding signal strength according to the power adjustment request signal;
determining a position of the signal intensity in a second preset signal intensity interval;
determining feedback transmitting power of the second handheld terminal according to the position of the signal strength in the second preset signal strength interval;
feeding back confirmation information to the first handheld terminal according to the feedback transmitting power; the second preset signal strength interval is an interval or an interval set comprising a plurality of sub-intervals;
when the second preset signal strength interval is an interval, after the second handheld terminal receives the power adjustment request signal, analyzing the power adjustment request signal to obtain corresponding signal strength and power grade, calculating the difference value between the signal strength and the maximum value and the minimum value in the interval respectively, determining the transmitting power according to the difference value, and then feeding back a confirmation signal to the first handheld terminal according to the determined transmitting power;
when the second preset signal strength interval is an interval set, after the second handheld terminal receives the power adjustment request signal, the power adjustment request signal is analyzed to obtain corresponding signal strength and power level, the signal strength is judged to be in which sub-interval in the interval set, and then a confirmation signal is fed back to the first handheld terminal according to the transmitting power corresponding to the sub-interval.
2. The power conditioning method of claim 1, wherein the method further comprises: n transmitting power levels which are sequenced from small to large are arranged on the first handheld terminal, N is a positive integer, and the maximum value of the N transmitting power levels is taken as the transmitting power of the first handheld terminal in the current state.
3. The power adjustment method according to claim 1 or 2, wherein the first handheld terminal determining whether the transmit power meets a power consumption requirement according to the received acknowledgement signal comprises:
determining the signal strength of the confirmation signal according to the confirmation signal;
and according to whether the signal intensity of the confirmation signal falls in a first preset signal intensity interval or not.
4. The power adjustment method of claim 3, wherein establishing a communication link between the first handheld terminal and the second handheld terminal based on the determination result, and transmitting a communication message at the transmit power, comprises:
if the judgment result shows that the signal intensity of the confirmation signal falls in the first preset signal intensity interval, determining that the transmitting power is the optimal transmitting power of the first handheld terminal;
and establishing a communication link between the first handheld terminal and the second handheld terminal, and mutually exchanging communication messages according to the optimal transmitting power.
5. The power adjustment method according to claim 4, wherein if the determination result is that the signal strength of the acknowledgement signal does not fall within the first preset signal strength interval, the adjustment method further comprises:
and adjusting the transmitting power to the transmitting power value of the next level, and re-transmitting a power adjustment request signal to the second handheld terminal according to the adjusted transmitting power.
6. The power adjustment method according to claim 5, wherein before the first handheld terminal determines whether the transmit power meets a power consumption requirement according to the received acknowledgement signal, further comprising:
acquiring a time difference between transmitting the power adjustment request signal and receiving the acknowledgement signal;
judging whether the time difference is smaller than a preset time difference or not;
if the time difference is smaller than the preset time difference, executing the step of judging whether the transmitting power meets the power consumption requirement according to the received confirmation signal;
and if the time difference is larger than the preset time difference, ending the communication between the first handheld terminal and the second handheld terminal.
7. A power conditioning apparatus, comprising:
the transmitting module is used for transmitting a power adjustment request signal to the receiving end according to the transmitting power of the power adjusting device in the current state in the intercom state;
the judging module is used for judging whether the transmitting power meets the power consumption requirement according to the received feedback confirmation signal of the power adjustment request signal by the receiving end;
and the interaction module is used for establishing a communication link between the first handheld terminal and the second handheld terminal according to the judging result and sending a communication message according to the transmitting power.
8. A communication system comprising the power adjustment device of claim 7 and a receiving end;
the power regulating device sends a power regulating request signal to the receiving end according to the transmitting power in the current state of the power regulating device in the intercom state;
the receiving end selects corresponding power according to the power adjustment request signal and feeds back a confirmation signal;
the power adjusting device judges whether the transmitting power meets the power consumption requirement according to the received confirmation signal;
and establishing a communication link between the power regulating device and the receiving end according to the judging result, and sending a communication message according to the transmitting power.
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| CN113543295B (en) * | 2021-06-28 | 2023-11-07 | 山东省计算中心（国家超级计算济南中心） | Data transmission method and system based on acoustic wave communication |
| CN116963254B (en) * | 2023-09-21 | 2023-11-24 | 中瑞科技术有限公司 | Communication state-based intercom transmitting power optimization method and system |
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| CN104066205A (en) * | 2014-07-03 | 2014-09-24 | 乐鑫信息科技（上海）有限公司 | Device connection method and device connection device based on received signal intensity |
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