CN104394529A - Method and device of emission control and method and device of information acquisition - Google Patents
Method and device of emission control and method and device of information acquisition Download PDFInfo
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- CN104394529A CN104394529A CN201410710125.3A CN201410710125A CN104394529A CN 104394529 A CN104394529 A CN 104394529A CN 201410710125 A CN201410710125 A CN 201410710125A CN 104394529 A CN104394529 A CN 104394529A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
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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
Abstract
The invention provides a method and a device of emission control and a method and a device of information acquisition. The emission control method comprises the steps: confirming emission power of emission equipment, wherein sequence signals of the emission power are modulated signals of modulated information to be transmitted; and controlling the emission equipment to emit signals according to the confirmed emission power. According to the method and the device of emission control, public standards can be avoided and the signals are transmitted and received by controlling the emission power of the emission equipment at each emission moment and modulating to-be-transmitted information on the radio frequency level, so that the information transmission safety is improved.
Description
Technical field
The embodiment of the present invention relates to communication technical field, particularly relates to a kind of emission control method and device, information getting method and device.
Background technology
Along with the development of wireless communication technology and the universal of terminal equipment, increasing information transmission is undertaken by the mode of radio communication.Communication security is the problem that people are concerned about very much.The little information arriving individual privacy and property safety, arrives state secret greatly, all may be intercepted and captured by people's malice in wireless transmission process.Therefore, the information transmission mode that urgently a kind of fail safe is higher.
Summary of the invention
In view of this, an object of the embodiment of the present application is to provide a kind of safe information transmission scheme.
For achieving the above object, according to the first aspect of the embodiment of the present application, provide a kind of emission control method, described method comprises:
Determine the transmitting power of transmitter, the clock signal of described transmitting power is the modulated signal of having modulated information to be transmitted;
Control described transmitter to transmit according to the described transmitting power determined.
In conjunction with first aspect, in the implementation that the first is possible, described method also comprises:
Determine the modulation scheme of described information to be transmitted.
In conjunction with the first possible implementation of first aspect or first aspect, in the implementation that the second is possible, describedly determine that the modulation scheme of described information to be transmitted comprises:
Receive described modulation scheme.
In conjunction with any one possible implementation above-mentioned of first aspect or first aspect, in the implementation that the third is possible, described modulation scheme comprises modulation system.
In conjunction with any one possible implementation above-mentioned of first aspect or first aspect, in the 4th kind of possible implementation, described modulation system is the predetermined modulation system of described transmitter and receiving equipment.
In conjunction with any one possible implementation above-mentioned of first aspect or first aspect, in the 5th kind of possible implementation, described modulation scheme comprises reference transmit power.
In conjunction with any one possible implementation above-mentioned of first aspect or first aspect, in the 6th kind of possible implementation, describedly determine that the modulation scheme of described information to be transmitted comprises:
Determine described reference transmit power.
In conjunction with any one possible implementation above-mentioned of first aspect or first aspect, in the 7th kind of possible implementation, describedly determine that described reference transmit power comprises:
Receive described reference transmit power.
In conjunction with any one possible implementation above-mentioned of first aspect or first aspect, in the 8th kind of possible implementation, described modulation scheme comprises the fluctuation range of described transmitting power.
In conjunction with any one possible implementation above-mentioned of first aspect or first aspect, in the 9th kind of possible implementation, described information to be transmitted comprises authentication information.
According to the second aspect of the embodiment of the present application, provide a kind of information getting method, described method comprises:
At least according to the Received signal strength from transmitter that receiving equipment receives, determine the clock signal of the transmitting power of described transmitter, described clock signal is the modulated signal of the information to be transmitted of having modulated transmitter;
Clock signal described in demodulation, obtains described information to be transmitted.
In conjunction with second aspect, in the implementation that the first is possible, described method also comprises:
Determine the modulation scheme of described information to be transmitted.
In conjunction with the first possible implementation of second aspect or second aspect, in the implementation that the second is possible, describedly determine that the modulation scheme of described information to be transmitted comprises:
Receive described modulation scheme.
In conjunction with any one possible implementation above-mentioned of second aspect or second aspect, in the implementation that the third is possible, described modulation scheme comprises modulation system.
In conjunction with any one possible implementation above-mentioned of second aspect or second aspect, in the 4th kind of possible implementation, described modulation system is the predetermined modulation system of described transmitter and receiving equipment.
In conjunction with any one possible implementation above-mentioned of second aspect or second aspect, in the 5th kind of possible implementation, described modulation scheme comprises the reference transmit power of described transmitter.
In conjunction with any one possible implementation above-mentioned of second aspect or second aspect, in the 6th kind of possible implementation, describedly determine that the modulation scheme of described information to be transmitted comprises:
Determine described reference transmit power.
In conjunction with any one possible implementation above-mentioned of second aspect or second aspect, in the 7th kind of possible implementation, describedly determine that described reference transmit power comprises:
Receive described reference transmit power.
In conjunction with any one possible implementation above-mentioned of second aspect or second aspect, in the 8th kind of possible implementation, clock signal described in described demodulation, obtains described information to be transmitted and comprises:
At least according to described reference transmit power, filtering process is carried out to described clock signal;
Clock signal after demodulation processes after filtering, obtains described information to be transmitted.
In conjunction with any one possible implementation above-mentioned of second aspect or second aspect, in the 9th kind of possible implementation, described modulation scheme comprises the fluctuation range of described transmitting power.
In conjunction with any one possible implementation above-mentioned of second aspect or second aspect, in the tenth kind of possible implementation, described information to be transmitted comprises authentication information.
According to the third aspect of the embodiment of the present application, provide a kind of launch control unit, described device comprises:
One first determination module, for determining the transmitting power of transmitter, the clock signal of described transmitting power is the modulated signal of having modulated information to be transmitted;
One control module, transmits according to the described transmitting power determined for controlling described transmitter.
In conjunction with the third aspect, in the implementation that the first is possible, described device also comprises:
One second determination module, for determining the modulation scheme of described information to be transmitted.
In conjunction with the first possible implementation of the third aspect or the third aspect, in the implementation that the second is possible, described second determination module comprises:
One first receiving element, for receiving described modulation scheme.
In conjunction with any one possible implementation above-mentioned of the third aspect or the third aspect, in the 4th kind of possible implementation, described second determination module comprises:
One first determining unit, for determining the reference transmit power of described transmitter.
In conjunction with any one possible implementation above-mentioned of the third aspect or the third aspect, in the 5th kind of possible implementation, described first determining unit comprises:
One first receives subelement, for receiving described reference transmit power.
According to the fourth aspect of the embodiment of the present application, provide a kind of information acquisition device, described device comprises:
One the 3rd determination module, at least according to the Received signal strength from transmitter that receiving equipment receives, determines the clock signal of the transmitting power of described transmitter, and described clock signal is the modulated signal of the information to be transmitted of having modulated transmitter;
One acquisition module, for clock signal described in demodulation, obtains described information to be transmitted.
In conjunction with fourth aspect, in the implementation that the first is possible, described device also comprises:
One the 4th determination module, for determining the modulation scheme of described information to be transmitted.
In conjunction with the first possible implementation of fourth aspect or fourth aspect, in the implementation that the second is possible, described 4th determination module comprises:
One second receiving element, for receiving described modulation scheme.
In conjunction with any one possible implementation above-mentioned of fourth aspect or fourth aspect, in the implementation that the third is possible, described 4th determination module comprises:
One second determining unit, for determining the reference transmit power of described transmitter.
In conjunction with any one possible implementation above-mentioned of fourth aspect or fourth aspect, in the 4th kind of possible implementation, described second determining unit comprises:
One second receives subelement, for receiving described reference transmit power.
In conjunction with any one possible implementation above-mentioned of fourth aspect or fourth aspect, in the 5th kind of possible implementation, described and acquisition module comprises:
One processing unit, at least carrying out filtering process according to described reference transmit power to described clock signal;
One acquiring unit, the clock signal after processing after filtering for demodulation, obtains described information to be transmitted.
The method of the embodiment of the present application and device, by controlling the transmitting power of each x time of transmitter, are modulated information to be transmitted in radio frequency aspect, can be avoided disclosed standard to transmit and receive signal, and then improve the fail safe of information transmission.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the emission control method of the embodiment of the present application;
Fig. 2 (a) is a kind of schematic diagram of clock signal of transmitting power of example;
Fig. 2 (b) is a kind of schematic diagram of clock signal of reference transmit power of example;
The fluctuation range schematic diagram that Fig. 2 (c) is a kind of clock signal of reference transmit power of example;
Fig. 2 (d) is the schematic diagram of the clock signal of the transmitting power processed after filtering;
Fig. 3 is the schematic flow sheet of the information getting method of the embodiment of the present application;
The structural representation of the various possible implementation of the launch control unit that Fig. 4 (a)-Fig. 4 (e) is a kind of embodiment of the application;
The structural representation of the various possible implementation of the information acquisition device that Fig. 5 (a)-Fig. 5 (f) is a kind of embodiment of the application;
Fig. 6 is the structural representation of the launch control unit of another embodiment of the application;
Fig. 7 is the structural representation of the information acquisition device of another embodiment of the application.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
It will be understood by those skilled in the art that the terms such as " first ", " second " in the application are only for distinguishing distinct device, module or parameter etc., neither represent any particular technology implication, also do not represent the inevitable logical order between them.
In addition, in each embodiment of the application, described " transmitter " and " receiving equipment " can be respectively the equipment arbitrarily with wireless signal transmission and receiving function, such equipment can comprise traditional base station, radio reception device (AP), and any terminal equipment (such as, mobile phone, mobile unit, portable set etc.), " transmitter " and " receiving equipment " can be same equipment, the two possibility role in communication process is distinguished by " transmitting " and " reception " in each embodiment of the application, not as any restriction to the two function.And transmitter and receiving equipment can be followed any one possible wireless communication protocol existing and communicate, such as, global system for mobile communications (Global System of Mobile Communication, GSM), Long Term Evolution (Long Term Evolution, LTE), WiFi, Bluetooth protocol etc., at this also not as any restriction to the application.
In order to improve the fail safe in wireless information transfer process further, the each embodiment of the application is on the basis of following existing wireless communications agreement, according to different application, provide a kind of information transmitting and the reception programme that adopt the safety of different safety measures in radio frequency aspect.As shown in Figure 1, be the emission control method of a kind of embodiment of the application, the method can be performed by transmitting itself, also can by independence or other devices execution belonging to transmitter.As shown in Figure 1, the method comprises:
S120. determine the transmitting power of transmitter, the clock signal of described transmitting power is the modulated signal of having modulated information to be transmitted.
Transmitter can send signal with certain transmitting power, to guarantee communication quality and to take into account equipment power dissipation etc. in the process communicated with receiving equipment.The different communication protocol and different application scenarioss followed according to communicating, the transmitting power of each x time of transmitter can adjust change.In the method for the present embodiment, described " clock signal of transmitting power " is transverse axis is the time, the longitudinal axis is the signal of the value of transmitting power, represent the variation characteristic of transmitting power in time domain of transmitter, also namely corresponding with respective transmitting power by each x time point is formed, as shown in Fig. 2 (a).Described " information to be transmitted " can be any information that transmitter is expected to transmit to receiving equipment, the information that espespecially in communication process, security level required is higher, such as, relevant to authentication information, the information of being correlated with privacy, information relevant with property etc.The time span of the clock signal of the described transmitting power in the method for the present embodiment at least should meet the complete transmission of described information to be transmitted.
S140. control described transmitter to transmit according to the described transmitting power determined.
The transmitting power of each x time can be determined in step S120 according to the clock signal of described transmitting power, transmitter can be controlled afterwards and transmit at each x time according to the transmitting power determined.
To sum up, the method for the present embodiment, by controlling the transmitting power of each x time of transmitter, is modulated information to be transmitted in radio frequency aspect, can be avoided disclosed standard to transmit and receive signal, and then improve the fail safe of information transmission.
In the method for the present embodiment, need to determine how to modulate described information to be transmitted according to modulation scheme.Correspondingly, the method for the present embodiment also comprises:
S110. the modulation scheme of described information to be transmitted is determined.
This modulation scheme can be that the main body self of method that performs the present embodiment determines, in a kind of possible implementation, this modulation scheme also can be and to obtain from the body exterior of method performing the present embodiment, such as, obtains from receiving equipment and/or transmitter.Also namely, step S110 comprises:
S112. described modulation scheme is received.
Described modulation scheme is used to guide how to raise the described information to be transmitted of system to obtain the clock signal of described transmitting power in radio frequency aspect, and described modulation scheme can comprise at least one item in following content: the fluctuation range etc. of modulation system, reference transmit power, transmitting power.
Wherein, described modulation system can be described transmitter and the known predetermined modulation system of receiving equipment, and can be any modulation system, such as various suitable analog-modulated, digital modulation, pulse modulation mode.
Described reference transmit power refer to each x time corresponding, do not change according to the feature of information to be transmitted before transmission power level, the clock signal of reference transmit power is the carrier signal of information to be transmitted, the method of the embodiment of the present application is using the clock signal of reference transmit power as carrier signal, according to suitable modulation system by modulates information to be transmitted on the clock signal of reference transmit power, obtain the clock signal of described transmitting power.As shown in Fig. 2 (b), for the clock signal of the reference transmit power in a kind of possible implementation, Fig. 2 (a) is depicted as and is carrier signal with the clock signal of the reference transmit power shown in Fig. 2 (b), has modulated the modulated signal of information to be transmitted, is also the clock signal of described transmitting power.Correspondingly, step S110 also comprises:
S114. described reference transmit power is determined.
Described reference transmit power can be relevant to the hardware condition of transmitter self, such as, when accessing WiFi access node (AP), what equipment to be accessed (transmitter) was determined according to the hardware condition of self launches authentication information (such as to AP, the access pin of AP) transmitting power, and in this scene, the reference transmit power of each x time of equipment to be accessed may be identical, when the independence of the method for execution the present embodiment is in transmitter, this reference transmit power can be obtained from transmitter in step S134.Or, described reference transmit power also can be what determined by receiving equipment, such as, subscriber equipment (UE) sends upstream data according to the determined reference transmit power in base station to base station, in such scene, the reference transmit power of each x time may be different, can obtain this reference transmit power in step S114 from receiving equipment.Also namely, step S114 comprises further:
S1141. described reference transmit power is received.
In addition, communication between transmitter and receiving equipment needs to follow specific communication protocol and carries out under the requirement meeting himself hardware condition etc., even if need the changing features reference transmit power according to information to be transmitted, transmitting power after adjustment should, in certain tolerance, also be also the fluctuation range of described transmitting power.Such as, supposing that 3GPP controls transmitting power error tolerance is ± 2dB, then the transmitting power in transmitter each moment should in the fluctuation range of reference transmit power ± 2dB corresponding to each moment, correspondingly, the clock signal transmitted described in being obtained to the clock signal of reference transmit power by modulates information to be transmitted should be no more than this fluctuation range, as the fluctuation range being the clock signal of the reference transmit power shown in the Fig. 2 (b) modulating information to be transmitted that two dotted lines schematic in Fig. 2 (c) represent.
To sum up, the method for the present embodiment carries out the transmission of security information in radio frequency aspect, fail safe is higher.
Present invention also provides a kind of information getting method of the information to be transmitted sent according to above-mentioned emission control method, this information getting method can be performed by receiving equipment, or is performed by independence or other devices of belonging to receiving equipment.As shown in Figure 3, the information getting method of a kind of embodiment of the application comprises:
S320. at least according to the Received signal strength from transmitter that receiving equipment receives, determine the clock signal of the transmitting power of described transmitter, described clock signal is the modulated signal of the information to be transmitted of having modulated transmitter.
As the description in conjunction with emission control method embodiment, described " clock signal of transmitting power " is transverse axis is the time, the longitudinal axis is the signal of the value of transmitting power, represent the variation characteristic of transmitting power in time domain of transmitter, also namely corresponding with respective transmitting power by each x time point is formed, as shown in Fig. 2 (a).Described " information to be transmitted " can be any information that transmitter is expected to transmit to receiving equipment, the information that espespecially in communication process, security level required is higher, such as, relevant to authentication information, the information of being correlated with privacy, information relevant with property etc.The executive agent of the method for the present embodiment is according to the clock signal of Received signal strength determination transmitter transmitting power.
S340. clock signal described in demodulation, obtains described information to be transmitted.
To sum up, the method for the present embodiment obtains the information to be transmitted of transmitter by the clock signal of demodulation transmitter transmitting power, can avoid disclosed standard to transmit and receive signal, the obtain manner safety of information.
In the method for the present embodiment, need the clock signal determining transmitting power described in how demodulation according to modulation scheme.Correspondingly, the method for the present embodiment also comprises:
S330. the modulation scheme of described information to be transmitted is determined.
This modulation scheme can be that the main body self of method that performs the present embodiment determines, in a kind of possible implementation, this modulation scheme also can be and obtains from the body exterior of the method performing the present embodiment, such as, obtains from transmitter.Also namely, step S330 comprises:
S332. described modulation scheme is received.
Described modulation scheme is used to guide how to raise the described information to be transmitted of system to obtain on the clock signal of described transmitting power in radio frequency aspect, and described modulation scheme can comprise at least one item in following content: the fluctuation range etc. of modulation system, reference transmit power, transmitting power.
Wherein, described modulation system can be described receiving equipment and the known predetermined modulation system of transmitter, and can be any modulation system, such as various suitable analog-modulated, digital modulation, pulse modulation mode.
Described reference transmit power refer to each x time corresponding, do not change according to the feature of information to be transmitted before transmission power level, the clock signal of reference transmit power is the carrier signal of information to be transmitted, the clock signal of the transmitting power of the method institute demodulation of the embodiment of the present application is using the clock signal of reference transmit power as carrier signal, will modulates information to be transmitted to the clock signal of reference transmit power obtain according to suitable modulation system.As shown in Fig. 2 (b), for the clock signal of the reference transmit power in a kind of possible implementation, Fig. 2 (a) is depicted as and is carrier signal with the clock signal of the reference transmit power shown in Fig. 2 (b), has modulated the modulated signal of information to be transmitted, is also the clock signal of described transmitting power.Correspondingly, step S330 also comprises:
S334. described reference transmit power is determined.
Described reference transmit power can be that transmitter determines according to the hardware condition etc. of self, such as, when accessing WiFi access node (AP), equipment to be accessed (transmitter) self is determined to launch authentication information (such as to AP, the access pin of AP) transmitting power, and in this scene, the reference transmit power of each x time of equipment to be accessed can be identical, therefore, this reference transmit power can be obtained from transmitter in step s 130, which.Described reference transmit power also can be what determined by receiving equipment, such as, subscriber equipment (UE) sends upstream data according to the determined reference transmit power in base station to base station, in such scene, the reference transmit power of each x time may be different, when the independence of the method for execution the present embodiment is in receiving equipment, this reference transmit power can be obtained from receiving equipment in step S330.Also namely, step S334 comprises:
S3341. described reference transmit power is received.
In addition, communication between transmitter and receiving equipment needs to follow specific communication protocol and carries out under the requirement meeting himself hardware condition etc., even if need the changing features reference transmit power according to information to be transmitted, transmitting power after adjustment should, in certain tolerance, also be also the fluctuation range of described transmitting power.Such as, supposing that 3GPP controls transmitting power error tolerance is ± 2dB, then the transmitting power in transmitter each moment should in the fluctuation range of reference transmit power ± 2dB corresponding to each moment, correspondingly, modulate the clock signal of the reference transmit power of information to be transmitted, also the clock signal transmitted described in being, this fluctuation range should be no more than, as the fluctuation range being the clock signal of the reference transmit power shown in the Fig. 2 (b) modulating information to be transmitted that two dotted lines schematic in Fig. 2 (c) represent.This fluctuation range can be used for the clock signal of transmitting power described in the demodulation of receiving equipment side.
Further, step S340 can comprise further:
S342. at least according to described reference transmit power, filtering process is carried out to described clock signal.
Such as, for the clock signal of transmitting power Fig. 2 (a) Suo Shi, the clock signal of the reference transmit power according to Fig. 2 (b), low frequency component in the transmitting power that shown in filtering Fig. 2 (a), clock signal each moment is corresponding, obtains signal as Suo Shi Fig. 2 (d).
S344. demodulation process after filtering after clock signal, obtain described information to be transmitted.
According to the modulation system that step S330 determines, the signal shown in demodulation Fig. 2 (d), thus described information to be transmitted can be obtained.
To sum up, the method for the present embodiment obtains security information in radio frequency aspect, and fail safe is higher.
It will be appreciated by those skilled in the art that, in the said method of the application's embodiment, the sequence number size of each step does not also mean that the priority of execution sequence, the execution sequence of each step should be determined with its function and internal logic, and should not form any restriction to the implementation process of the application's embodiment.
In addition, the embodiment of the present application additionally provides a kind of computer-readable medium, is included in the computer-readable instruction carrying out following operation when being performed: the operation performing each step of the method in above-mentioned Fig. 1 and Fig. 3 illustrated embodiment.
The embodiment of the present application additionally provides a kind of device performing above-mentioned emission control method, and this device can be any device independent of transmitter, also can be any device belonging to transmitter, or this device itself is transmitter.According to the needs of the above-mentioned different executive role of this device, except each part described below, described device also comprises the communication module that can realize arbitrary equipment outside with device as required and communicate.As shown in Fig. 4 (a), the launch control unit 400 of a kind of embodiment of the application comprises:
First determination module 420, for determining the transmitting power of transmitter, the clock signal of described transmitting power is the modulated signal of having modulated information to be transmitted.
Transmitter can send signal with certain transmitting power, to guarantee communication quality and to take into account equipment power dissipation etc. in the process communicated with receiving equipment.The different communication protocol and different application scenarioss followed according to communicating, the transmitting power of each x time of transmitter can adjust change.In the device of the present embodiment, described " clock signal of transmitting power " is transverse axis is the time, the longitudinal axis is the signal of the value of transmitting power, represent the variation characteristic of transmitting power in time domain of transmitter, also namely corresponding with respective transmitting power by each x time point is formed, as shown in Fig. 2 (a).Described " information to be transmitted " can be any information that transmitter is expected to transmit to receiving equipment, the information that espespecially in communication process, security level required is higher, such as, relevant to authentication information, the information of being correlated with privacy, information relevant with property etc.The time span of the clock signal of the described transmitting power in the device of the present embodiment at least should meet the complete transmission of described information to be transmitted.
Control module 440, transmits according to the described transmitting power determined for controlling described transmitter.
First determination module 420 can determine the transmitting power of each x time according to the clock signal of described transmitting power, control module 440 can control transmitter and transmits at each x time according to the transmitting power determined afterwards.
To sum up, the device of the present embodiment, by controlling the transmitting power of each x time of transmitter, is modulated information to be transmitted in radio frequency aspect, can be avoided disclosed standard to transmit and receive signal, and then improve the fail safe of information transmission.
In the device of the present embodiment, need to determine how to modulate described information to be transmitted according to modulation scheme.Correspondingly, as shown in Fig. 4 (b), the device 400 of the present embodiment also comprises:
Second determination module 410, for determining the modulation scheme of described information to be transmitted.
This modulation scheme can be that the device self of the present embodiment determines, in a kind of possible implementation, this modulation scheme also can be and obtains from the device outside of the present embodiment, such as, obtains from receiving equipment and/or transmitter.Also, namely, as shown in Fig. 4 (c), the second determination module 410 comprises:
First receiving element 412, for receiving described modulation scheme.
Described modulation scheme is used to guide how to raise the described information to be transmitted of system to obtain the clock signal of described transmitting power in radio frequency aspect, and described modulation scheme can comprise at least one item in following content: the fluctuation range etc. of modulation system, reference transmit power, transmitting power.
Wherein, described modulation system can be described transmitter and the predetermined modulation system of receiving equipment, and can be any modulation system, such as various suitable analog-modulated, digital modulation, pulse modulation mode.
Described reference transmit power refer to each x time corresponding, do not change according to the feature of information to be transmitted before transmission power level, the clock signal of reference transmit power is the carrier signal of information to be transmitted, the method of the embodiment of the present application is using the clock signal of reference transmit power as carrier signal, according to suitable modulation system by modulates information to be transmitted on the clock signal of reference transmit power, obtain the clock signal of described transmitting power.As shown in Fig. 2 (b), for the clock signal of the reference transmit power in a kind of possible implementation, Fig. 2 (a) is depicted as and is carrier signal with the clock signal of the reference transmit power shown in Fig. 2 (b), has modulated the modulated signal of information to be transmitted, is also the clock signal of described transmitting power.Correspondingly, as shown in Fig. 4 (d), the second determination module 410 comprises:
First determining unit 414, for determining described reference transmit power.
Described reference transmit power can be relevant according to the hardware condition of self to transmitter, such as, when accessing WiFi access node (AP), what equipment to be accessed (transmitter) was determined according to the hardware condition of self launches authentication information (such as to AP, the access pin of AP) transmitting power, and in this scene, the reference transmit power of each x time of equipment to be accessed can be identical, when the independence of the method for execution the present embodiment is in transmitter, the first determining unit 414 can obtain this reference transmit power from transmitter.Or, described reference transmit power also can be what determined by receiving equipment, such as, subscriber equipment (UE) sends upstream data according to the determined reference transmit power in base station to base station, in such scene, the reference transmit power of each x time may be different, and the first determining unit 414 can obtain this reference transmit power from receiving equipment.Also, namely, as shown in Fig. 4 (e), the first determining unit 414 comprises further:
First receives subelement 4141, for receiving described reference transmit power.
In addition, communication between transmitter and receiving equipment needs to follow specific communication protocol and carries out under the requirement meeting himself hardware condition etc., even if need the changing features reference transmit power according to information to be transmitted, transmitting power after adjustment should, in certain tolerance, also be also the fluctuation range of described transmitting power.Such as, supposing that 3GPP controls transmitting power error tolerance is ± 2dB, then the transmitting power in transmitter each moment should in the fluctuation range of reference transmit power ± 2dB corresponding to each moment, correspondingly, the clock signal transmitted described in modulates information to be transmitted is obtained to the clock signal of reference transmit power, this fluctuation range should be no more than, as the fluctuation range being the clock signal of the reference transmit power shown in the Fig. 2 (b) modulating information to be transmitted that two dotted lines schematic in Fig. 2 (c) represent.
To sum up, the device of the present embodiment carries out the transmission of security information in radio frequency aspect, fail safe is higher.
Present invention also provides a kind of information acquisition device of the information to be transmitted for sending according to above-mentioned emission control method, this device can be any device independent of receiving equipment, also can be any device belonging to receiving equipment, or this device itself is receiving equipment.According to the needs of the above-mentioned different executive role of this device, except each part described below, described device also comprises the communication module that can realize arbitrary equipment outside with device as required and communicate.As shown in Fig. 5 (a), the information acquisition device 500 of a kind of embodiment of the application comprises:
3rd determination module 520, at least according to the Received signal strength from transmitter that receiving equipment receives, determines the clock signal of the transmitting power of described transmitter, and described clock signal is the modulated signal of the information to be transmitted of having modulated transmitter.
As the description in conjunction with emission control method embodiment, described " clock signal of transmitting power " is transverse axis is the time, the longitudinal axis is the signal of the value of transmitting power, represent the variation characteristic of transmitting power in time domain of transmitter, also namely corresponding with respective transmitting power by each x time point is formed, as shown in Fig. 2 (a).Described " information to be transmitted " can be any information that transmitter is expected to transmit to receiving equipment, the information that espespecially in communication process, security level required is higher, such as, relevant to authentication information, the information of being correlated with privacy, information relevant with property etc.The clock signal according to Received signal strength determination transmitter transmitting power of the device of the present embodiment.
Acquisition module 540, for clock signal described in demodulation, obtains described information to be transmitted.
To sum up, the device of the present embodiment obtains the information to be transmitted of transmitter by the clock signal of demodulation transmitter transmitting power, can avoid disclosed standard to transmit and receive signal, the obtain manner safety of information.
In the device of the present embodiment, need the clock signal determining transmitting power described in how demodulation according to modulation scheme.Correspondingly, as shown in Fig. 5 (b), the device 500 of the present embodiment also comprises:
4th determination module 530, for determining the modulation scheme of described information to be transmitted.
This modulation scheme can be that the device self of the present embodiment determines, in a kind of possible implementation, this modulation scheme also can be and obtains from the device outside of the present embodiment, such as, obtains from transmitter.Also, namely, as shown in Fig. 5 (c), the 4th determination module 530 comprises:
Second receiving element 532, for receiving described modulation scheme.
Described modulation scheme is used to guide how to raise the described information to be transmitted of system to obtain on the clock signal of described transmitting power in radio frequency aspect, and described modulation scheme can comprise at least one item in following content: the fluctuation range etc. of modulation system, reference transmit power, transmitting power.
Wherein, described modulation system can be described receiving equipment and the predetermined modulation system of transmitter, and can be any modulation system, such as various suitable analog-modulated, digital modulation, pulse modulation mode.
Described reference transmit power refer to each x time corresponding, do not change according to the feature of information to be transmitted before transmission power level, the clock signal of reference transmit power is the carrier signal of information to be transmitted, the clock signal of the transmitting power of the method institute demodulation of the embodiment of the present application is using the clock signal of reference transmit power as carrier signal, will modulates information to be transmitted to the clock signal of reference transmit power obtain according to suitable modulation system.As shown in Fig. 2 (b), for the clock signal of the reference transmit power in a kind of possible implementation, Fig. 2 (a) is depicted as and is carrier signal with the clock signal of the reference transmit power shown in Fig. 2 (b), has modulated the modulated signal of information to be transmitted, is also the clock signal of described transmitting power.Correspondingly, as shown in Fig. 5 (d), the 4th determination module 530 also comprises:
Second determining unit 534, for determining described reference transmit power.
Described reference transmit power can be that transmitter determines according to the hardware condition etc. of self, such as, when accessing WiFi access node (AP), equipment to be accessed (transmitter) self is determined to launch authentication information (such as to AP, the access pin of AP) transmitting power, and in this scene, the reference transmit power of each x time of equipment to be accessed can be identical, therefore, this reference transmit power can be obtained from transmitter in step s 130, which.Described reference transmit power also can be what determined by receiving equipment, such as, subscriber equipment (UE) sends upstream data according to the determined reference transmit power in base station to base station, in such scene, the reference transmit power of each x time may be different, when the independence of the method for execution the present embodiment is in receiving equipment, the 4th determination module 530 can obtain this reference transmit power from receiving equipment.Also, namely, as shown in Fig. 5 (e), the second determining unit 534 comprises:
Second receives subelement 5341, for receiving described reference transmit power.
In addition, communication between transmitter and receiving equipment needs to follow specific communication protocol and carries out under the requirement meeting himself hardware condition etc., even if need the changing features reference transmit power according to information to be transmitted, transmitting power after adjustment should, in certain tolerance, also be also the fluctuation range of described transmitting power.Such as, supposing that 3GPP controls transmitting power error tolerance is ± 2dB, then the transmitting power in transmitter each moment should in the fluctuation range of reference transmit power ± 2dB corresponding to each moment, correspondingly, modulate the clock signal of the reference transmit power of information to be transmitted, also the clock signal transmitted described in being, this fluctuation range should be no more than, as the fluctuation range being the clock signal of the reference transmit power shown in the Fig. 2 (b) modulating information to be transmitted that two dotted lines schematic in Fig. 2 (c) represent.This fluctuation range can be used for the clock signal of transmitting power described in the demodulation of receiving equipment side.
Further, as shown in Fig. 5 (f), acquisition module 540 can comprise further:
Processing unit 542, at least carrying out filtering process according to described reference transmit power to described clock signal.
Such as, for the clock signal of transmitting power Fig. 2 (a) Suo Shi, the clock signal of the reference transmit power according to Fig. 2 (b), low frequency component in the transmitting power that shown in filtering Fig. 2 (a), clock signal each moment is corresponding, obtains signal as Suo Shi Fig. 2 (d).
Acquiring unit 544, the clock signal after processing after filtering for demodulation, obtains described information to be transmitted.
The modulation system that acquiring unit 544 is determined according to the 4th determination module 530, the signal shown in demodulation Fig. 2 (d), thus described information to be transmitted can be obtained.
To sum up, the device of the present embodiment obtains security information in radio frequency aspect, and fail safe is higher.
The each embodiment of the application is further illustrated below by concrete example.
In a kind of example, transmitter is mobile phone, receiving equipment is WiFi AP, in order to access WiFi AP, this mobile phone formulates modulation scheme according to the requirement of this AP, by the authentication information of this AP (such as, the access pin of this AP) be modulated on the clock signal of the reference transmit power of mobile phone, and this reference transmit power is determined according to the regulation of IEEE 802.11 and the hardware supports of mobile phone, mobile phone transmits to this AP according to the transmitting power of the determined each x time of the clock signal of transmitting power, any information can not be comprised in this signal, or only comprise the lower information of level of security.This AP determines the clock signal of this mobile phone transmission power and solution mediates access pin, carries out authentication to this mobile phone after receiving the signal that this mobile phone sends.
In the second example, transmitter is LTE terminal equipment, receiving equipment is LTE base station, before terminal equipment often sends upstream data to base station, the up reference transmit power obtaining each x time from base station requires and transmitting power error tolerance, and then according to the agreement of the modulation system with base station, by the clock signal of modulates information to be transmitted to reference transmit power, and send upward signal according to the tranmitting frequency of each x time to base station.After base station receives the upward signal of terminal equipment, determine the clock signal of this terminal equipment transmitting power, after the clock signal of filtering reference transmit power, carrying out demodulation, thus obtaining information to be transmitted.
The structural representation of a kind of launch control unit 600 that Fig. 6 provides for the embodiment of the present application, the application's specific embodiment does not limit the specific implementation of launch control unit 600.As shown in Figure 6, this launch control unit 600 can comprise:
Processor (processor) 610, communication interface (Communications Interface) 620, memory (memory) 630 and communication bus 640.Wherein:
Processor 610, communication interface 620 and memory 630 complete mutual communication by communication bus 640.
Communication interface 620, for the net element communication with such as client etc.
Processor 610, for executive program 632, specifically can realize the correlation function of launch control unit in the device embodiment of above-mentioned Fig. 4 (a).
Particularly, program 632 can comprise program code, and described program code comprises computer-managed instruction.
Processor 610 may be a central processor CPU, or specific integrated circuit ASIC (Application Specific Integrated Circuit), or is configured to the one or more integrated circuits implementing the embodiment of the present application.Program 632 specifically may be used for making described launch control unit 600 perform following steps:
Determine the transmitting power of transmitter, the clock signal of described transmitting power is the modulated signal of having modulated information to be transmitted;
Control described transmitter to transmit according to the described transmitting power determined.
In program 632, the specific implementation of each step see description corresponding in the corresponding steps in above-described embodiment and unit, can be not repeated herein.Those skilled in the art can be well understood to, and for convenience and simplicity of description, the equipment of foregoing description and the specific works process of module, can describe with reference to the corresponding process in preceding method embodiment, not repeat them here.
The structural representation of a kind of information acquisition device 700 that Fig. 7 provides for the embodiment of the present application, the application's specific embodiment does not limit the specific implementation of information acquisition device 700.As shown in Figure 7, this information acquisition device 700 can comprise:
Processor (processor) 710, communication interface (Communications Interface) 720, memory (memory) 730 and communication bus 740.Wherein:
Processor 710, communication interface 720 and memory 730 complete mutual communication by communication bus 740.
Communication interface 720, for the net element communication with such as client etc.
Processor 710, for executive program 732, specifically can realize the correlation function of information acquisition device in the device embodiment of above-mentioned Fig. 5 (a).
Particularly, program 732 can comprise program code, and described program code comprises computer-managed instruction.
Processor 710 may be a central processor CPU, or specific integrated circuit ASIC (Application Specific Integrated Circuit), or is configured to the one or more integrated circuits implementing the embodiment of the present application.Program 732 specifically may be used for making described information acquisition device 700 perform following steps:
At least according to the Received signal strength from transmitter that receiving equipment receives, determine the clock signal of the transmitting power of described transmitter, described clock signal is the modulated signal of the information to be transmitted of having modulated transmitter;
Clock signal described in demodulation, obtains described information to be transmitted.
In program 732, the specific implementation of each step see description corresponding in the corresponding steps in above-described embodiment and unit, can be not repeated herein.Those skilled in the art can be well understood to, and for convenience and simplicity of description, the equipment of foregoing description and the specific works process of module, can describe with reference to the corresponding process in preceding method embodiment, not repeat them here.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the equipment of foregoing description and the specific works process of module, can describe with reference to the correspondence in aforementioned means embodiment, not repeat them here.
Although theme described herein provides in the general context performed in the execution on the computer systems of binding operation system and application program, but one skilled in the art will recognize that and also can realize to perform other in conjunction with the program module of other types.Generally speaking, program module comprises the structure of routine, program, assembly, data structure and the other types performing particular task or realize particular abstract data type.It will be appreciated by those skilled in the art that, this theme described herein can use other computer system configurations to put into practice, comprise portable equipment, multicomputer system, based on microprocessor or programmable consumer electronics, minicom, mainframe computer etc., also can be used in the distributed computing environment (DCE) that wherein task is performed by the remote processing devices connected by communication network.In a distributed computing environment, program module can be arranged in both of local and remote memory storage device.
Those of ordinary skill in the art can recognize, in conjunction with unit and the method step of each example of embodiment disclosed herein description, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not think the scope exceeding the application.
If described function using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part of the part that the technical scheme of the application contributes to original technology in essence in other words or this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the application.And aforesaid computer read/write memory medium comprises storing physics volatibility that any mode or technology as information such as computer-readable instruction, data structure, program module or other data realize and non-volatile, removable and can not because of eastern medium.Computer read/write memory medium specifically comprises, but be not limited to, USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), Erasable Programmable Read Only Memory EPROM (EPROM), EEPROM (Electrically Erasable Programmable Read Only Memo) (EEPROM), flash memory or other solid-state memory technology, CD-ROM, digital versatile disc (DVD), HD-DVD, blue light (Blue-Ray) or other light storage devices, tape, disk storage or other magnetic storage apparatus, maybe can be used for storing information needed and can by any other medium of computer access.
Above execution mode is only for illustration of the present invention; and be not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (10)
1. an emission control method, is characterized in that, described method comprises:
Determine the transmitting power of transmitter, the clock signal of described transmitting power is the modulated signal of having modulated information to be transmitted;
Control described transmitter to transmit according to the described transmitting power determined.
2. method according to claim 1, is characterized in that, described method also comprises:
Determine the modulation scheme of described information to be transmitted.
3. method according to claim 2, is characterized in that, described modulation scheme comprises modulation system.
4. according to the method in claim 2 or 3, it is characterized in that, described modulation scheme comprises reference transmit power.
5. an information getting method, is characterized in that, described method comprises:
At least according to the Received signal strength from transmitter that receiving equipment receives, determine the clock signal of the transmitting power of described transmitter, described clock signal is the modulated signal of the information to be transmitted of having modulated transmitter;
Clock signal described in demodulation, obtains described information to be transmitted.
6. method according to claim 5, is characterized in that, described method also comprises:
Determine the modulation scheme of described information to be transmitted.
7. method according to claim 6, is characterized in that, described modulation scheme comprises modulation system.
8. the method according to claim 6 or 7, is characterized in that, described modulation scheme comprises the reference transmit power of described transmitter.
9. a launch control unit, is characterized in that, described device comprises:
One first determination module, for determining the transmitting power of transmitter, the clock signal of described transmitting power is the modulated signal of having modulated information to be transmitted;
One control module, transmits according to the described transmitting power determined for controlling described transmitter.
10. an information acquisition device, is characterized in that, described device comprises:
One the 3rd determination module, at least according to the Received signal strength from transmitter that receiving equipment receives, determines the clock signal of the transmitting power of described transmitter, and described clock signal is the modulated signal of the information to be transmitted of having modulated transmitter;
One acquisition module, for clock signal described in demodulation, obtains described information to be transmitted.
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| CN104394529B (en) | 2018-09-04 |
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