CN109348064A - Navigation signal processing method, device, terminal device and storage medium - Google Patents
Navigation signal processing method, device, terminal device and storage medium Download PDFInfo
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- CN109348064A CN109348064A CN201811401664.3A CN201811401664A CN109348064A CN 109348064 A CN109348064 A CN 109348064A CN 201811401664 A CN201811401664 A CN 201811401664A CN 109348064 A CN109348064 A CN 109348064A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72463—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions to restrict the functionality of the device
Abstract
The embodiment of the present application discloses a kind of navigation signal processing method, device, terminal device and storage medium, when this method is included in mobile communications network and is in signal emission state, determines the first signal-to-noise ratio of the navigation signal being currently received；When the mobile communications network is in non-signal emission state, the second signal-to-noise ratio of the navigation signal being currently received is determined；If determining that the signal transmitting of the mobile communications network is unsatisfactory for disturbed condition to navigation signal according to first signal-to-noise ratio and second signal-to-noise ratio, then persistently receive navigation signal, this programme improves the accuracy of navigator fix, and it ensure that the real-time communication of mobile communications network, the interference of meeting for effectively avoiding mobile communication function and navigation locating function, designs the low in cost of implementation.
Description
Technical field
The invention relates to the communication technology more particularly to a kind of navigation signal processing method, device, terminal device and
Storage medium.
Background technique
With the raising of terminal device popularity, more and more users' using terminal equipment executes various function
Can be to meet self-demand, such as using terminal equipment reads text, viewing video, listens to music, plays game, route guidance,
In the use process of terminal device, mobile communication function and navigation feature can generate signal when enabling and interfere with each other, and cause
The problem of boat positioning mistake.
In the prior art, can be subtracted by way of increasing the radio frequency path of mobile communication and the isolation of navigation radio frequency path
Interfering with each other for few mobile communication function and navigation feature, such as increases the isolation of GPS antenna and RF antenna.However this kind of mode
During realization, it is limited to the limitation of the complete machine structure of terminal device, isolation effect is limited, and this kind of mode still will lead to
Navigator fix inaccuracy so that the problem of navigational error occur.
Summary of the invention
This application provides a kind of navigation signal processing method, device, terminal device and storage mediums, and it is fixed to improve navigation
The accuracy of position, and ensure that the real-time communication of mobile communications network, it effectively avoids mobile communication function and navigation is fixed
The interference of meeting of bit function, designs the low in cost of implementation.
In a first aspect, the embodiment of the present application provides a kind of navigation signal processing method, comprising:
When mobile communications network is in signal emission state, the first noise of the navigation signal being currently received is determined
Than；
When the mobile communications network is in non-signal emission state, the second of the navigation signal being currently received is determined
Signal-to-noise ratio；
If determining that the signal of the mobile communications network is sent out according to first signal-to-noise ratio and second signal-to-noise ratio
It penetrates and disturbed condition is unsatisfactory for navigation signal, then persistently receive navigation signal.
Second aspect, the embodiment of the present application also provides a kind of navigation signal processing units, comprising:
First signal-to-noise ratio determining module, for when mobile communications network is in signal emission state, determining current receive
First signal-to-noise ratio of the navigation signal arrived；
Second signal-to-noise ratio determining module, for when the mobile communications network is in non-signal emission state, determination to be worked as
Before the second signal-to-noise ratio of navigation signal for receiving；
Navigation signal control module, if described for being determined according to first signal-to-noise ratio and second signal-to-noise ratio
The signal transmitting of mobile communications network is unsatisfactory for disturbed condition to navigation signal, then persistently receives navigation signal.
The third aspect, the embodiment of the present application also provides a kind of terminal devices, comprising: processor, memory and storage
On a memory and the computer program that can run on a processor, the processor are realized such as when executing the computer program
Navigation signal processing method described in the embodiment of the present application.
Fourth aspect, the embodiment of the present application also provides a kind of storage medium comprising terminal device executable instruction, institutes
Terminal device executable instruction is stated when being executed as terminal device processor for executing the letter of navigation described in the embodiment of the present application
Number processing method.
In the present solution, determining the navigation signal being currently received when mobile communications network is in signal emission state
First signal-to-noise ratio；When the mobile communications network is in non-signal emission state, the navigation signal being currently received is determined
Second signal-to-noise ratio；If determining the signal of the mobile communications network according to first signal-to-noise ratio and second signal-to-noise ratio
Transmitting is unsatisfactory for disturbed condition to navigation signal, then persistently receives navigation signal, improves the accuracy of navigator fix, and guarantee
The real-time communication of mobile communications network, effectively avoids the interference of meeting of mobile communication function and navigation locating function,
Design is implemented low in cost.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is a kind of flow chart of navigation signal processing method provided by the embodiments of the present application；
Fig. 1 a is a kind of radio architectures schematic diagram of mobile communications network provided by the embodiments of the present application；
Fig. 1 b is a kind of radio architectures schematic diagram of navigation signal receiver provided by the embodiments of the present application；
Fig. 2 is the flow chart of another navigation signal processing method provided by the embodiments of the present application；
Fig. 3 is the flow chart of another navigation signal processing method provided by the embodiments of the present application；
Fig. 4 is the flow chart of another navigation signal processing method provided by the embodiments of the present application；
Fig. 4 a is a kind of radio circuit connection schematic diagram of navigation signal processing unit provided by the embodiments of the present application；
Fig. 5 is a kind of structural block diagram of navigation signal processing unit provided by the embodiments of the present application；
Fig. 6 is a kind of structural schematic diagram of terminal device provided by the embodiments of the present application.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is for explaining the application, rather than the restriction to the application.It also should be noted that for the ease of retouching
It states, part relevant to the application is illustrated only in attached drawing rather than entire infrastructure.
Fig. 1 is a kind of flow chart of navigation signal processing method provided by the embodiments of the present application, is applicable to terminal device
When opening mobile communications network and navigation feature, the control to navigation signal, this method can be provided by the embodiment of the present application
Terminal device execute, the mode that software and/or hardware can be used in the navigation signal processing unit of the terminal device is realized, such as
Shown in Fig. 1, concrete scheme provided in this embodiment is as follows:
Step S101, when mobile communications network is in signal emission state, the navigation signal being currently received is determined
First signal-to-noise ratio.
Mobile communications network is the medium of communication for realizing user's communication, such as the 4G network of smart phone.
Terminal device will do it the transmitting of mobile communication signal and receive to realize after opening mobile communications network function
Information communication.In one embodiment, by taking signal emits as an example, as shown in Figure 1a, Fig. 1 a is provided by the embodiments of the present application one
The radio architectures schematic diagram of kind of mobile communications network, mobile communications network in signal transmitting, by transmitting-receiving modem
Power amplifier 1012 is delivered to after 1011 generation modulated signals and carries out signal amplification, is passed through after filtering using filter 1013
Antenna 1014 emits signal, wherein transmitting-receiving modem 1011 by signal be delivered to power amplifier 1012 it
Before, signal can be controlled to control the opening of power amplifier 1012 by sending PA, power amplifier 1012 is made to be in magnifying state,
The state amplified in the modulated signal generated to transmitting-receiving modem 1011, after signal battery has fired, transmitting-receiving
Modem 1011 controls signal by sending PA to control the closing of power amplifier 1012.
Navigation signal is the signal for carrying out navigator fix, can be carried out to terminal device by the navigation signal real-time
Positioning.In one embodiment, as shown in Figure 1 b, Fig. 1 b is a kind of penetrating for navigation signal receiver provided by the embodiments of the present application
Frequency configuration diagram, antenna 1021 receive the radio frequency path being delivered to after navigation signal in navigation module, pass through filter
1022 and low-noise amplifier 1023 signal is handled after be navigated signal transmitting and receiving demodulator 1024 receive to be demodulated
Signal, by the calculating to the demodulated signal finally to realize navigation locating function.
In one embodiment, when mobile communications network is in signal emission state, the navigation being currently received is determined
First signal-to-noise ratio of signal, illustratively, the signal-to-noise ratio parameter which can be recorded by navigation signal receiver are true
It is fixed, by taking Android operation system as an example, after opening the permission for obtaining location data, pass through " float snr=accordingly
The mode of s.getSnr () " is to obtain the first signal-to-noise ratio；First signal-to-noise ratio can also be hard by being separately provided in receivers
Part circuit is calculated to obtain.Wherein, the first signal-to-noise ratio characterizes the annoyance level for other noise signals that navigation signal is subject to
Size, be navigation signal and noise ratio value, snr value is bigger, and the annoyance level being subject to is stronger.Implement at one
In example, timing can be emitted by the signal of mobile communications network to determine if in signal emission state, when it is in letter
When number emission state, correspondingly, determining the first signal-to-noise ratio of the navigation signal being currently received.
Step S102, when the mobile communications network is in non-signal emission state, the navigation being currently received is determined
Second signal-to-noise ratio of signal.
Wherein, detect that mobile communications network is in non-signal emission state, it is determined that the navigation signal received at this time
The second signal-to-noise ratio, illustratively, second signal-to-noise ratio can by navigation signal receiver record signal-to-noise ratio parameter determine, with
For Android operation system, after opening the permission for obtaining location data, pass through " float snr=s.getSnr accordingly
The mode of () " is to obtain the second signal-to-noise ratio；Second signal-to-noise ratio can also by be separately provided in receivers hardware circuit into
Row measuring and calculating obtains.
If step S103, determining the mobile communications network according to first signal-to-noise ratio and second signal-to-noise ratio
Signal transmitting disturbed condition is unsatisfactory for navigation signal, then persistently receive navigation signal.
In one embodiment, after determining the first signal-to-noise ratio and the second signal-to-noise ratio, pass through first signal-to-noise ratio and
The size of two signal-to-noise ratio determines whether the signal transmitting of current mobile communications network has an impact navigation signal, if do not generated
It influences, then controls the sustainable reception navigation signal of navigation neceiver for location navigation, correspondingly, if passing through first noise
Navigation signal is had an impact than determining that the signal of current mobile communications network emits with the size of the second signal-to-noise ratio, then fixes tentatively and leads
Boat receiver receives navigation signal or fixes tentatively and carries out that positioning result is calculated to navigation signal.It illustratively, can be by sentencing
Disconnected first signal-to-noise ratio subtracts the value of the second signal-to-noise ratio and the size of default interference value determines the signal of current mobile communications network
Whether transmitting generates interference to navigation signal, wherein the default interference value can be 3dB, i.e., if the value of the first signal-to-noise ratio subtracts
It goes the value of the second signal-to-noise ratio if it is less than 3dB, then determines that the signal transmitting of current mobile communications network does not constitute navigation signal
Disturbed condition, if the value of the first signal-to-noise ratio subtract the value of the second signal-to-noise ratio if it is greater than or be equal to 3dB, determine current mobile
The signal transmitting of communication network constitutes disturbed condition to navigation signal, correspondingly, forbidding connecing in the case where constituting disturbed condition
It receives navigation signal or positioning result is not calculated to the navigation signal received, the case where not constituting disturbed condition
Under, then it persistently receives navigation signal and accordingly completes subsequent navigation calculating, obtains the processing of positioning result.
As shown in the above, when mobile communications network is in signal emission state, the of record navigation signal is determined
One signal-to-noise ratio determines the second signal-to-noise ratio of record navigation signal when mobile communications network is in non-signal emission state, according to
Whether first signal-to-noise ratio and the second signal-to-noise ratio meet interference stripe to navigation signal come the signal transmitting for determining mobile communications network
Part persistently receives navigation signal if being unsatisfactory for disturbed condition, solves to avoid signal from interfering with each other, and takes mobile logical
Communication network signal and navigation signal time segment time-sharing multiplex bring can not be timely to mobile communications network and navigation signal
The problem of reception.
In the present solution, the navigation signal signal-to-noise ratio that is taken through of inventor's original creation is come the transmitting for determining mobile communication signal
No satisfaction is forbidden the reception of Present navigation signal accordingly, is avoided to the disturbed condition of navigation signal if meeting disturbed condition
Pass through the problem for the location information mistake that the navigation signal being interfered is calculated.
Fig. 2 is the flow chart of another navigation signal processing method provided by the embodiments of the present application, optionally, described first
Signal-to-noise ratio fixes time the time difference fixed time really with second signal-to-noise ratio less than the first preset time value really, and described
One preset time value includes 1 second.As shown in Fig. 2, technical solution is specific as follows:
Step S201, when mobile communications network is in signal emission state, the navigation signal being currently received is determined
First signal-to-noise ratio.
Step S202, when the mobile communications network is in non-signal emission state, the navigation being currently received is determined
Second signal-to-noise ratio of signal.
Step S203, the time interval that first signal-to-noise ratio and second signal-to-noise ratio are fixed time really is determined.
Step S204, judge whether the time interval is less than prefixed time interval, if so, S205 is thened follow the steps,
Otherwise S201 is returned to step.
Wherein, which can be any number less than 1 second, and such as 800 milliseconds.
Step S205, judge whether first signal-to-noise ratio and the difference of second signal-to-noise ratio are less than default interference value,
If so, S206 is thened follow the steps, it is no to then follow the steps S207.
Step S206, navigation signal is persistently received.
Step S207, in third preset time value, when detecting that the mobile communications network is in signal emission state,
Forbid receiving navigation signal, when detecting that the mobile communications network is in non-signal emission state, receives navigation signal.
Wherein, which can be 500 milliseconds, and specific value size can be manual by user or research staff
Setting.In one embodiment, it when determining that current mobile network signals meet disturbed condition to navigation signal, is detecting
When being in signal emission state to mobile communications network, control navigation neceiver is forbidden receiving navigation signal, is detecting movement
When communication network is in non-signal emission state, control navigation receives navigation signal, i.e., is not adopted as mobile communications network and leads
The mode of both boat distribution set times time-sharing multiplex realizes the reception of signal, but emits according to the signal of mobile communications network
Situation controls the reception of navigation signal.
It can be seen from the above, when determining whether mobile communications network meets the disturbed condition of navigation signal, for avoid due to
The Self-variations situations such as terminal device is mobile cause the value effect to the first signal-to-noise ratio and/or the second signal-to-noise ratio, to obtaining the
The time interval of one signal-to-noise ratio and the second signal-to-noise ratio is limited, thus the more accurate letter for determining mobile communications network
Whether number transmitting causes larger interference to navigation signal.
In the present solution, when determining that current mobile network signals meet disturbed condition to navigation signal, according to movement
Whether the signal transmitting situation of communication network determines the reception of navigation signal, guaranteeing the normally functioning situation of mobile communications network
Under, the problem of navigator fix mistake is avoided, and smaller on the influence of the real-time of positioning, is in non-using mobile communications network
The interval of signal emission state obtains navigation signal, in practical applications, meets the requirement of real-time of navigator fix, and not
Occurs the problem of positioning mistake again.
Fig. 3 is the flow chart of another navigation signal processing method provided by the embodiments of the present application, optionally, described lasting
Receiving navigation signal includes: that navigation signal is persistently received in the second preset time value, and second preset time value includes 800
Millisecond.As shown in figure 3, technical solution is specific as follows:
Step S301, when mobile communications network is in signal emission state, the navigation signal being currently received is determined
First signal-to-noise ratio.
Step S302, when the mobile communications network is in non-signal emission state, the navigation being currently received is determined
Second signal-to-noise ratio of signal.
Step S303, the time interval that first signal-to-noise ratio and second signal-to-noise ratio are fixed time really is determined.
Step S304, judge whether the time interval is less than prefixed time interval, if so, S305 is thened follow the steps,
Otherwise S301 is returned to step.
Step S305, judge whether first signal-to-noise ratio and the difference of second signal-to-noise ratio are less than default interference value,
If so, S306 is thened follow the steps, it is no to then follow the steps S308.
Step S306, navigation signal is received.
Step S307, judge that navigation signal continues whether receiving time is greater than the second preset time value, if it is, executing
Otherwise step S301 executes step S306.
Wherein, which can be 500 milliseconds, 600 milliseconds or 800 milliseconds etc..
Step S308, when detecting that the mobile communications network is in signal emission state, forbid receiving navigation signal, inspection
When measuring the mobile communications network and being in non-signal emission state, navigation signal is received.
Step S309, judge to receive navigation signal and/or forbid whether the duration for receiving navigation signal is greater than third
Otherwise preset time value, executes step S308 if so, thening follow the steps S301.
It can be seen from the above, having carried out week time being received or being forbidden in received treatment process to navigation signal
The control of phase further improves the accuracy and real-time of navigation signal processing.
Fig. 4 is the flow chart of another navigation signal processing method provided by the embodiments of the present application, optionally, the movement
It includes: to detect that the signal of mobile communications network emits power amplifier in timing and is in opening state that communication network, which is in signal emission state,
State；Correspondingly, it includes: the signal for detecting the mobile communications network that the mobile communications network, which is in non-signal emission state,
Power amplifier is in close state in transmitting timing.As shown in figure 4, technical solution is specific as follows:
Step S401, it when power amplifier is in the open state in the signal transmitting timing for detecting mobile communications network, determines
First signal-to-noise ratio of the navigation signal being currently received.
In one embodiment, in the design process of hardware of terminal device, the transmitting-receiving modulation /demodulation of mobile communications network
Device is connected with navigation signal transmitting-receiving demodulator, and as shown in fig. 4 a, Fig. 4 a is a kind of navigation letter provided by the embodiments of the present application
The radio circuit connection schematic diagram of number processing unit, the wherein transmitting-receiving of navigation signal transmitting-receiving demodulator 1024 and mobile communications network
Modem 1011 is connected, and navigation signal, which receives and dispatches demodulator 1024, can receive the power amplifier control that transmitting-receiving modem 1011 is sent
Signal processed, by the power amplifier control signal with determine power amplifier 1012 working condition (working condition may include two kinds,
If open state and closed state correspond to open power amplifier signal correspondingly, high level expression can be used in open state,
Low level expression can be used in closed state, corresponds to close power amplifier signal, it should be noted that be not limited to above-mentioned expression
Mode).In this step, when power amplifier is in the open state in the signal transmitting timing for detecting mobile communications network, determination is worked as
Before the first signal-to-noise ratio of navigation signal for receiving, the realization of specific program function part can pass through navigation signal transmitting-receiving demodulation
The integrated chip interior logic of device 1024 is realized, is not handled by the CPU of terminal device.
Step S402, when power amplifier is in close state in the signal transmitting timing for detecting the mobile communications network,
Determine the second signal-to-noise ratio of the navigation signal being currently received.
Step S403, the time interval that first signal-to-noise ratio and second signal-to-noise ratio are fixed time really is determined.
Step S404, judge whether the time interval is less than prefixed time interval, if so, S405 is thened follow the steps,
Otherwise S401 is returned to step.
Step S405, judge whether first signal-to-noise ratio and the difference of second signal-to-noise ratio are less than default interference value,
If so, S406 is thened follow the steps, it is no to then follow the steps S408.
Step S406, navigation signal is received.
Step S407, judge that navigation signal continues whether receiving time is greater than the second preset time value, if it is, executing
Otherwise step S401 executes step S406.
Wherein, which can be 500 milliseconds, 600 milliseconds or 800 milliseconds etc..
Step S408, when detecting that power amplifier is in the open state in the signal transmitting timing of mobile communications network, forbid connecing
Navigation signal is received, when detecting that power amplifier is in close state in the signal transmitting timing of the mobile communications network, receives navigation
Signal.
Step S409, judge to receive navigation signal and/or forbid whether the duration for receiving navigation signal is greater than third
Otherwise preset time value, executes step S408 if so, thening follow the steps S401.
It can be seen from the above, controlling signal by the power amplifier of the transmitting-receiving modem in mobile communications network to judge to move
The signal emission state of communication network, and then navigation signal is controlled, the accuracy of navigation signal control is improved, together
When, by the improvement on hardware, it can directly pass through navigation module (navigation neceiver/navigation signal transmitting-receiving demodulator) and realize to leading
The control processing of boat signal, reduces cpu load, further improves the real-time controlled navigation signal.
Fig. 5 is a kind of structural block diagram of navigation signal processing unit provided by the embodiments of the present application, and the device is for executing
Navigation signal processing method provided by the above embodiment has the corresponding functional module of execution method and beneficial effect, the device
It can be the navigation processing unit in terminal device or receive and dispatch demodulator for navigation signal.As shown in figure 5, the device specifically wraps
It includes: the first signal-to-noise ratio determining module 101, the second signal-to-noise ratio determining module 102 and navigation signal control module 103, wherein
First signal-to-noise ratio determining module 101, for when mobile communications network is in signal emission state, determination currently to be connect
First signal-to-noise ratio of the navigation signal received.
In one embodiment, when mobile communications network is in signal emission state, the navigation being currently received is determined
First signal-to-noise ratio of signal, illustratively, the signal-to-noise ratio parameter which can be recorded by navigation signal receiver are true
It is fixed, by taking Android operation system as an example, after opening the permission for obtaining location data, pass through " float snr=accordingly
The mode of s.getSnr () " is to obtain the first signal-to-noise ratio；First signal-to-noise ratio can also be hard by being separately provided in receivers
Part circuit is calculated to obtain.Wherein, the first signal-to-noise ratio characterizes the annoyance level for other noise signals that navigation signal is subject to
Size, be navigation signal and noise ratio value, snr value is bigger, and the annoyance level being subject to is stronger.Implement at one
In example, timing can be emitted by the signal of mobile communications network to determine if in signal emission state, when it is in letter
When number emission state, correspondingly, determining the first signal-to-noise ratio of the navigation signal being currently received.
Second signal-to-noise ratio determining module 102, for determining when the mobile communications network is in non-signal emission state
Second signal-to-noise ratio of the navigation signal being currently received.
Wherein, detect that mobile communications network is in non-signal emission state, it is determined that the navigation signal received at this time
The second signal-to-noise ratio, illustratively, second signal-to-noise ratio can by navigation signal receiver record signal-to-noise ratio parameter determine, with
For Android operation system, after opening the permission for obtaining location data, pass through " float snr=s.getSnr accordingly
The mode of () " is to obtain the second signal-to-noise ratio；Second signal-to-noise ratio can also by be separately provided in receivers hardware circuit into
Row measuring and calculating obtains.
Navigation signal control module 103, if for being determined according to first signal-to-noise ratio and second signal-to-noise ratio
The signal transmitting of the mobile communications network is unsatisfactory for disturbed condition to navigation signal, then persistently receives navigation signal.
In one embodiment, after determining the first signal-to-noise ratio and the second signal-to-noise ratio, pass through first signal-to-noise ratio and
The size of two signal-to-noise ratio determines whether the signal transmitting of current mobile communications network has an impact navigation signal, if do not generated
It influences, then controls the sustainable reception navigation signal of navigation neceiver for location navigation, correspondingly, if passing through first noise
Navigation signal is had an impact than determining that the signal of current mobile communications network emits with the size of the second signal-to-noise ratio, then fixes tentatively and leads
Boat receiver receives navigation signal or fixes tentatively and carries out that positioning result is calculated to navigation signal.It illustratively, can be by sentencing
Disconnected first signal-to-noise ratio subtracts the value of the second signal-to-noise ratio and the size of default interference value determines the signal of current mobile communications network
Whether transmitting generates interference to navigation signal, wherein the default interference value can be 3dB, i.e., if the value of the first signal-to-noise ratio subtracts
It goes the value of the second signal-to-noise ratio if it is less than 3dB, then determines that the signal transmitting of current mobile communications network does not constitute navigation signal
Disturbed condition, if the value of the first signal-to-noise ratio subtract the value of the second signal-to-noise ratio if it is greater than or be equal to 3dB, determine current mobile
The signal transmitting of communication network constitutes disturbed condition to navigation signal, correspondingly, forbidding connecing in the case where constituting disturbed condition
It receives navigation signal or positioning result is not calculated to the navigation signal received, the case where not constituting disturbed condition
Under, then it persistently receives navigation signal and accordingly completes subsequent navigation calculating, obtains the processing of positioning result.
As shown in the above, when mobile communications network is in signal emission state, the of record navigation signal is determined
One signal-to-noise ratio determines the second signal-to-noise ratio of record navigation signal when mobile communications network is in non-signal emission state, according to
Whether first signal-to-noise ratio and the second signal-to-noise ratio meet interference stripe to navigation signal come the signal transmitting for determining mobile communications network
Part persistently receives navigation signal if being unsatisfactory for disturbed condition, solves to avoid signal from interfering with each other, and takes mobile logical
Communication network signal and navigation signal time segment time-sharing multiplex bring can not be timely to mobile communications network and navigation signal
The problem of reception.
In the present solution, the navigation signal signal-to-noise ratio that is taken through of inventor's original creation is come the transmitting for determining mobile communication signal
No satisfaction is forbidden the reception of Present navigation signal accordingly, is avoided to the disturbed condition of navigation signal if meeting disturbed condition
Pass through the problem for the location information mistake that the navigation signal being interfered is calculated.
It should be noted that above-mentioned first signal-to-noise ratio determining module 101 and the second signal-to-noise ratio determining module 102 can be point
The virtual module opened can also be realized by a logical virtual module.
In a possible embodiment, if described determine according to first signal-to-noise ratio and second signal-to-noise ratio
The signal transmitting of the mobile communications network is unsatisfactory for disturbed condition to navigation signal and includes:
If it is determined that the difference of first signal-to-noise ratio and second signal-to-noise ratio is less than default interference value.
In a possible embodiment, first signal-to-noise ratio is fixed time and second signal-to-noise ratio timing really really
Between time difference less than the first preset time value, first preset time value includes 1 second.
In a possible embodiment, the navigation signal control module 103 is specifically used for:
Navigation signal is persistently received in the second preset time value, second preset time value includes 800 milliseconds.
In a possible embodiment, the navigation signal control module 103 is specifically used for:
If determining that the signal of the mobile communications network is sent out according to first signal-to-noise ratio and second signal-to-noise ratio
It penetrates and disturbed condition is met to navigation signal, then in third preset time value, detect that the mobile communications network is in signal
When emission state, forbid receiving navigation signal, when detecting that the mobile communications network is in non-signal emission state, reception is led
Navigate signal.
In a possible embodiment, the first signal-to-noise ratio determining module 101 is specifically used for:
Detect that power amplifier is in the open state in the signal transmitting timing of mobile communications network；
The second signal-to-noise ratio determining module 102 is specifically used for:
Detect that power amplifier is in close state in the signal transmitting timing of the mobile communications network.
In a possible embodiment, the first signal-to-noise ratio determining module 101 is specifically used for:
The power amplifier for receiving the modem transmission of mobile communications network controls signal；
The power amplifier control signal is detected to open power amplifier signal；
The second signal-to-noise ratio determining module 102 is specifically used for:
The power amplifier control signal is detected to close power amplifier signal.
The present embodiment provides a kind of terminal device on the basis of the various embodiments described above, and Fig. 6 is that the embodiment of the present application mentions
The structural schematic diagram of a kind of terminal device supplied, as shown in fig. 6, the terminal device 200 includes: memory 201, processor
(Central Processing Unit, CPU) 202, Peripheral Interface 203, RF (Radio Frequency, radio frequency) circuit 205,
Voicefrequency circuit 206, loudspeaker 211, power management chip 208, input/output (I/O) subsystem 209, touch screen 212, Wifi
Module 213, other input/control devicess 210 and outside port 204, these components pass through one or more communication bus or
Signal wire 207 communicates.
It should be understood that graphic terminal 200 is only an example of terminal device, and terminal device 200
It can have than shown in the drawings more or less component, can combine two or more components, or can be with
It is configured with different components.Various parts shown in the drawings can include one or more signal processings and/or dedicated
It is realized in the combination of hardware, software or hardware and software including integrated circuit.
Below with regard to navigation signal provided in this embodiment processing terminal device be described in detail, the terminal device with
For smart phone.
Memory 201, the memory 201 can be accessed by CPU202, Peripheral Interface 203 etc., and the memory 201 can
It can also include nonvolatile memory to include high-speed random access memory, such as one or more disk memory,
Flush memory device or other volatile solid-state parts.
The peripheral hardware that outputs and inputs of equipment can be connected to CPU202 and deposited by Peripheral Interface 203, the Peripheral Interface 203
Reservoir 201.
I/O subsystem 209, the I/O subsystem 209 can be by the input/output peripherals in equipment, such as touch screen 212
With other input/control devicess 210, it is connected to Peripheral Interface 203.I/O subsystem 209 may include 2091 He of display controller
For controlling one or more input controllers 2092 of other input/control devicess 210.Wherein, one or more input controls
Device 2092 processed receives electric signal from other input/control devicess 210 or sends electric signal to other input/control devicess 210,
Other input/control devicess 210 may include physical button (push button, rocker buttons etc.), dial, slide switch, behaviour
Vertical pole clicks idler wheel.It is worth noting that input controller 2092 can with it is following any one connect: keyboard, infrared port,
The indicating equipment of USB interface and such as mouse.
Touch screen 212, the touch screen 212 are the input interface and output interface between user terminal and user, can
It is shown to user depending on output, visual output may include figure, text, icon, video etc..
Display controller 2091 in I/O subsystem 209 receives electric signal from touch screen 212 or sends out to touch screen 212
Electric signals.Touch screen 212 detects the contact on touch screen, and the contact that display controller 2091 will test is converted to and is shown
The interaction of user interface object on touch screen 212, i.e. realization human-computer interaction, the user interface being shown on touch screen 212
Object can be the icon of running game, the icon for being networked to corresponding network etc..It is worth noting that equipment can also include light
Mouse, light mouse are the extensions for the touch sensitive surface for not showing the touch sensitive surface visually exported, or formed by touch screen.
RF circuit 205 is mainly used for establishing the communication of mobile phone Yu wireless network (i.e. network side), realizes mobile phone and wireless network
The data receiver of network and transmission.Such as transmitting-receiving short message, Email etc..Specifically, RF circuit 205 receives and sends RF letter
Number, RF signal is also referred to as electromagnetic signal, and RF circuit 205 converts electrical signals to electromagnetic signal or electromagnetic signal is converted to telecommunications
Number, and communicated by the electromagnetic signal with communication network and other equipment.RF circuit 205 may include for executing
The known circuit of these functions comprising but it is not limited to antenna system, RF transceiver, one or more amplifiers, tuner, one
A or multiple oscillators, digital signal processor, CODEC (COder-DECoder, coder) chipset, user identifier mould
Block (Subscriber Identity Module, SIM) etc..
Voicefrequency circuit 206 is mainly used for receiving audio data from Peripheral Interface 203, which is converted to telecommunications
Number, and the electric signal is sent to loudspeaker 211.
Loudspeaker 211 is reduced to sound for mobile phone to be passed through RF circuit 205 from the received voice signal of wireless network
And the sound is played to user.
Power management chip 208, the hardware for being connected by CPU202, I/O subsystem and Peripheral Interface are powered
And power management.
The navigation signal processing unit and terminal device of the terminal device provided in above-described embodiment can be performed the application and appoint
The navigation signal processing method of terminal device provided by embodiment of anticipating has and executes the corresponding functional module of this method and beneficial
Effect.The not technical detail of detailed description in the above-described embodiments, reference can be made to terminal provided by the application any embodiment is set
Standby navigation signal processing method.
The embodiment of the present application also provides a kind of storage medium comprising terminal device executable instruction, and the terminal device can
It executes instruction when being executed by terminal device processor for executing a kind of navigation signal processing method, this method comprises:
When mobile communications network is in signal emission state, the first noise of the navigation signal being currently received is determined
Than；
When the mobile communications network is in non-signal emission state, the second of the navigation signal being currently received is determined
Signal-to-noise ratio；
If determining that the signal of the mobile communications network is sent out according to first signal-to-noise ratio and second signal-to-noise ratio
It penetrates and disturbed condition is unsatisfactory for navigation signal, then persistently receive navigation signal.
In a possible embodiment, if described determine according to first signal-to-noise ratio and second signal-to-noise ratio
The signal transmitting of the mobile communications network is unsatisfactory for disturbed condition to navigation signal and includes:
If it is determined that the difference of first signal-to-noise ratio and second signal-to-noise ratio is less than default interference value.
In a possible embodiment, first signal-to-noise ratio is fixed time and second signal-to-noise ratio timing really really
Between time difference less than the first preset time value, first preset time value includes 1 second.
In a possible embodiment, the navigation signal that persistently receives includes:
Navigation signal is persistently received in the second preset time value, second preset time value includes 800 milliseconds.
In a possible embodiment, if determined according to first signal-to-noise ratio and second signal-to-noise ratio described
The signal transmitting of mobile communications network meets disturbed condition to navigation signal, then in third preset time value, detects described
When mobile communications network is in signal emission state, forbid receiving navigation signal, detects that the mobile communications network is in non-
When signal emission state, navigation signal is received.
In a possible embodiment, the mobile communications network is in signal emission state and includes:
Detect that power amplifier is in the open state in the signal transmitting timing of mobile communications network；
Correspondingly, the mobile communications network is in non-signal emission state includes:
Detect that power amplifier is in close state in the signal transmitting timing of the mobile communications network.
In a possible embodiment, it is described detect mobile communications network signal transmitting timing in power amplifier be in open
The state of opening includes:
The power amplifier for receiving the modem transmission of mobile communications network controls signal；
The power amplifier control signal is detected to open power amplifier signal；
Correspondingly, power amplifier is in close state packet in the signal transmitting timing for detecting the mobile communications network
It includes:
The power amplifier control signal is detected to close power amplifier signal.
Storage medium --- any various types of memory devices or storage equipment.Term " storage medium " is intended to wrap
It includes: install medium, such as CD-ROM, floppy disk or magnetic tape equipment；Computer system memory or random access memory, such as
DRAM, DDR RAM, SRAM, EDO RAM, blue Bath (Rambus) RAM etc.；Nonvolatile memory, such as flash memory, magnetic medium
(such as hard disk or optical storage)；Register or the memory component of other similar types etc..Storage medium can further include other
Memory of type or combinations thereof.In addition, storage medium can be located at program in the first computer system being wherein performed,
Or can be located in different second computer systems, second computer system is connected to the by network (such as internet)
One computer system.Second computer system can provide program instruction to the first computer for executing." storage is situated between term
Matter " may include may reside in different location (such as by network connection different computer systems in) two or
More storage mediums.Storage medium can store the program instruction that can be performed by one or more processors and (such as implement
For computer program).
Certainly, a kind of storage medium comprising computer executable instructions, computer provided by the embodiment of the present application
The navigation signal processing method operation that executable instruction is not limited to the described above, can also be performed the application any embodiment and is mentioned
Relevant operation in the navigation signal processing method of confession.
Note that above are only the preferred embodiment and institute's application technology principle of the application.It will be appreciated by those skilled in the art that
The application is not limited to specific embodiment described here, be able to carry out for a person skilled in the art it is various it is apparent variation,
The protection scope readjusted and substituted without departing from the application.Therefore, although being carried out by above embodiments to the application
It is described in further detail, but the application is not limited only to above embodiments, in the case where not departing from the application design, also
It may include more other equivalent embodiments, and scope of the present application is determined by the scope of the appended claims.
Claims (10)
1. navigation signal processing method characterized by comprising
When mobile communications network is in signal emission state, the first signal-to-noise ratio of the navigation signal being currently received is determined；
When the mobile communications network is in non-signal emission state, the second noise of the navigation signal being currently received is determined
Than；
If determining the signal transmitting pair of the mobile communications network according to first signal-to-noise ratio and second signal-to-noise ratio
Navigation signal is unsatisfactory for disturbed condition, then persistently receives navigation signal.
2. if the method according to claim 1, wherein described according to first signal-to-noise ratio and described second
Signal-to-noise ratio determines that the signal transmitting of the mobile communications network is unsatisfactory for disturbed condition to navigation signal and includes:
If it is determined that the difference of first signal-to-noise ratio and second signal-to-noise ratio is less than default interference value.
3. the method according to claim 1, wherein first signal-to-noise ratio is fixed time and second letter really
It makes an uproar than the time difference fixed time really less than the first preset time value, first preset time value includes 1 second.
4. the method according to claim 1, wherein the navigation signal that persistently receives includes:
Navigation signal is persistently received in the second preset time value, second preset time value includes 800 milliseconds.
5. method according to any of claims 1-4, which is characterized in that if according to first signal-to-noise ratio and institute
It states the second signal-to-noise ratio and determines that the signal transmitting of the mobile communications network meets disturbed condition to navigation signal, then it is pre- in third
If in time value, when detecting that the mobile communications network is in signal emission state, forbidding receiving navigation signal, detecting institute
When stating mobile communications network and being in non-signal emission state, navigation signal is received.
6. according to the method described in claim 5, it is characterized in that, the mobile communications network is in signal emission state packet
It includes:
Detect that power amplifier is in the open state in the signal transmitting timing of mobile communications network；
Correspondingly, the mobile communications network is in non-signal emission state includes:
Detect that power amplifier is in close state in the signal transmitting timing of the mobile communications network.
7. according to the method described in claim 6, it is characterized in that, the signal transmitting timing for detecting mobile communications network
Middle power amplifier is in the open state to include:
The power amplifier for receiving the modem transmission of mobile communications network controls signal；
The power amplifier control signal is detected to open power amplifier signal；
Correspondingly, power amplifier is in close state and includes: in the signal transmitting timing for detecting the mobile communications network
The power amplifier control signal is detected to close power amplifier signal.
8. navigation signal processing unit characterized by comprising
First signal-to-noise ratio determining module is used for when mobile communications network is in signal emission state, what determination was currently received
First signal-to-noise ratio of navigation signal；
Second signal-to-noise ratio determining module, for when the mobile communications network is in non-signal emission state, determination currently to be connect
Second signal-to-noise ratio of the navigation signal received；
Navigation signal control module, if for determining the movement according to first signal-to-noise ratio and second signal-to-noise ratio
The signal transmitting of communication network is unsatisfactory for disturbed condition to navigation signal, then persistently receives navigation signal.
9. a kind of terminal device, comprising: processor, memory and storage are on a memory and the meter that can run on a processor
Calculation machine program, which is characterized in that the processor is realized when executing the computer program such as any one of claim 1-7 institute
The navigation signal processing method stated.
10. a kind of storage medium comprising terminal device executable instruction, which is characterized in that the terminal device executable instruction
When being executed by terminal device processor for executing such as navigation signal processing method of any of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811401664.3A CN109348064A (en) | 2018-11-22 | 2018-11-22 | Navigation signal processing method, device, terminal device and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811401664.3A CN109348064A (en) | 2018-11-22 | 2018-11-22 | Navigation signal processing method, device, terminal device and storage medium |
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| Publication Number | Publication Date |
|---|---|
| CN109348064A true CN109348064A (en) | 2019-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811401664.3A Pending CN109348064A (en) | 2018-11-22 | 2018-11-22 | Navigation signal processing method, device, terminal device and storage medium |
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| CN104483680A (en) * | 2014-12-15 | 2015-04-01 | 南京林洋电力科技有限公司 | Mobile positioning system and anti-interference method thereof |
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| US6448925B1 (en) * | 1999-02-04 | 2002-09-10 | Conexant Systems, Inc. | Jamming detection and blanking for GPS receivers |
| CN1798982A (en) * | 2003-06-02 | 2006-07-05 | 摩托罗拉公司 | Detection and reduction of periodic jamming signals in GPS receivers and methods therefor |
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Application publication date: 20190215 |