CN104378737A - Enhanced positioning method, device and system - Google Patents
Enhanced positioning method, device and system Download PDFInfo
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- CN104378737A CN104378737A CN201410396979.9A CN201410396979A CN104378737A CN 104378737 A CN104378737 A CN 104378737A CN 201410396979 A CN201410396979 A CN 201410396979A CN 104378737 A CN104378737 A CN 104378737A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention belongs to the communication field, and provides an enhanced positioning method, device and system. The method comprises the steps that a first frequency spectrum capable of being used as a transmission signal of a transmission terminal is detected according to the position where the transmission terminal of a linear frequency modulated signal is placed; a second frequency spectrum capable of being used as a receiving signal of a receiving terminal is detected according to the position where the receiving terminal of the linear frequency modulated signal is placed; a third frequency spectrum is generated according to the intersection of the first frequency spectrum and the second frequency spectrum; the transmission terminal is controlled to send the linear frequency modulated signal according to the third frequency spectrum, and the receiving terminal is controlled to receive the linear frequency modulated signal according to the third frequency spectrum. According to the enhanced positioning method, device and system, the interference of the generated linear frequency modulated signal to other receiving terminals can be avoided, energy efficiency lowering is reduced, meanwhile, the receiving terminal can be made to avoid receiving of frequency band signals transmitted by other transmission terminals, the bandwidth of the linear frequency modulated signal is effectively improved, and therefore the precision of positioning is better improved.
Description
Technical field
The invention belongs to communication field, particularly relate to a kind of enhanced positioning method, Apparatus and system.
Background technology
Along with the continuous innovation of wireless communication technology, the communication of people becomes more convenient.Wireless communication technology makes wireless transmission quality, efficiency all towards more excellent future development.The terminal positioning technology that people often use, as the important function of a key, because linear frequency modulation technology has the features such as precision is high, low in energy consumption, penetration power is strong, and is widely used in the accurate location among a small circle such as indoor, airport, hotel.
Chirped principle is the change by the time, the size of linear control tranmitting frequency, by carrying out matching treatment to signal, thus completes the positioning action of terminal.For improving the resolution that navigation system is adjusted the distance, needing the Timed automata of raising system, also, improving the bandwidth transmitted of linear FM signal.
But existing linear FM signal, when positioning, can be subject to the interference of other signal, be unfavorable for the bandwidth improving linear FM signal, thus be unfavorable for the resolution improving location survey.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of enhanced positioning method, the Apparatus and system that can improve linear FM signal transceiving band, with solve prior art due to linear FM signal position time, be subject to the interference of other signal, be unfavorable for the bandwidth improving linear FM signal, thus be unfavorable for the problem of the resolution improving location survey.
The embodiment of the present invention is achieved in that a kind of enhanced positioning method, and described method comprises:
According to the position at the launch terminal place of linear FM signal, detect described launch terminal and can be used as the first frequency spectrum transmitted;
According to the position at the receiving terminal place of linear FM signal, detect the second frequency spectrum that described receiving terminal can be used as Received signal strength;
Get common factor according to described first step frequency spectrum and described second frequency spectrum, generate the 3rd frequency spectrum;
According to described 3rd spectrum control launch terminal send linear FM signal and, according to described 3rd spectrum control, receiving terminal receives described linear FM signal.
Another aspect provides a kind of chirped framing signal launching technique, described method comprises:
According to the position at current launch terminal place, detect described launch terminal and can be used as the first frequency spectrum transmitted;
Receive second frequency spectrum that can be used as Received signal strength at the receiving terminal position place corresponding with described launch terminal;
According to the common factor of the first frequency spectrum and described second frequency spectrum, generate the 3rd frequency spectrum, according to described 3rd spectrum control, launch terminal sends linear FM signal.
A third aspect of the present invention provides a kind of method of reseptance of linear frequency modulation framing signal, and described method comprises:
According to the position at current receiving terminal place, detect the second frequency spectrum that described receiving terminal can be used as Received signal strength;
Receive first frequency spectrum that can be used as Received signal strength at the launch terminal position place corresponding with described receiving terminal;
According to the common factor of the first frequency spectrum and described second frequency spectrum, generate the 3rd frequency spectrum, according to described 3rd spectrum control, receiving terminal receives described linear FM signal.
A fourth aspect of the present invention provides a kind of enhancement mode positioner, and described device comprises:
First detecting unit, for the position at the launch terminal place according to linear FM signal, detects described launch terminal and can be used as the first frequency spectrum transmitted;
Second detecting unit, for the position at the receiving terminal place according to linear FM signal, detects the second frequency spectrum that described receiving terminal can be used as Received signal strength;
Generation unit, for getting common factor according to described first step frequency spectrum and described second frequency spectrum, generates the 3rd frequency spectrum;
Transmission and reception unit, for launch terminal according to described 3rd spectrum control send linear FM signal and, according to described 3rd spectrum control, receiving terminal receives described linear FM signal.
A fifth aspect of the present invention provides a kind of chirped framing signal emitter, and described device comprises:
First detection module, for the position according to current launch terminal place, detects described launch terminal and can be used as the first frequency spectrum transmitted;
First receiver module, for receiving second frequency spectrum that can be used as Received signal strength at the receiving terminal position place corresponding with described launch terminal;
First generates control module, and for the common factor according to the first frequency spectrum and described second frequency spectrum, generate the 3rd frequency spectrum, according to described 3rd spectrum control, launch terminal sends linear FM signal.
A sixth aspect of the present invention provides a kind of receiving system of linear frequency modulation framing signal, and described device comprises:
Second detection module, for the position according to current receiving terminal place, detects the second frequency spectrum that described receiving terminal can be used as Received signal strength;
Second receiver module, for receiving first frequency spectrum that can be used as Received signal strength at the launch terminal position place corresponding with described receiving terminal;
Second generates control module, and for the common factor according to the first frequency spectrum and described second frequency spectrum, generate the 3rd frequency spectrum, according to described 3rd spectrum control, receiving terminal receives described linear FM signal.
A seventh aspect of the present invention provides a kind of enhancement mode navigation system, and described system comprises launch terminal and receiving terminal, wherein:
Described launch terminal is used for the position according to the place of launch terminal own, detect and can be used as the first frequency spectrum transmitted, and receive the second frequency spectrum sent by receiving terminal, the common factor getting described first frequency spectrum and described second frequency spectrum obtains the 3rd frequency spectrum, and according to described 3rd spectrum control, launch terminal sends linear FM signal;
Described receiving terminal is used for the position according to the place of receiving terminal own, detect the first frequency spectrum that can be used as Received signal strength, and receive the first frequency spectrum sent by transmitting terminal, the common factor getting described first frequency spectrum and described second frequency spectrum obtains the 3rd frequency spectrum, and according to described 3rd spectrum control, receiving terminal receives linear FM signal.
In embodiments of the present invention, by detecting the position at launch terminal place, obtain can be used as at launch terminal the first frequency spectrum transmitted, detect in receiving terminal position, obtain the second frequency spectrum that can be used as Received signal strength at receiving terminal, obtained can be used for launch terminal by the first frequency spectrum and the second frequency spectrum and receiving terminal carries out transmitting-receiving the 3rd frequency spectrum, thus avoid the linear FM signal generated to the interference of other receiving terminal, reduce the reduction of efficiency, also receiving terminal can be made to avoid receiving the band signal of other launch terminal transmitting simultaneously, the bandwidth of effective raising linear FM signal, thus be conducive to the accuracy improving location.
Accompanying drawing explanation
Fig. 1 is the realization flow figure of the enhanced positioning method that first embodiment of the invention provides;
Fig. 1 a is the frequency of linear FM signal and the change example schematic diagram of time;
Fig. 1 b is the structural representation that linear FM signal transmitting terminal detects the first frequency spectrum;
Fig. 1 c is the structural representation that the receiving terminal of linear FM signal detects the second frequency spectrum;
Fig. 1 d is the schematic diagram of the first frequency spectrum, the second frequency spectrum and the 3rd frequency spectrum;
Fig. 2 is the realization flow figure of the chirped framing signal launching technique that second embodiment of the invention provides;
Fig. 3 is the realization flow figure of the method for reseptance of the linear frequency modulation framing signal that second embodiment of the invention provides;
Fig. 4 is the structural representation of the enhancement mode positioner that second embodiment of the invention provides;
The structural representation of the chirped framing signal emitter that Fig. 5 provides for third embodiment of the invention;
The structural representation of the chirped positioning signal reception device that Fig. 6 provides for third embodiment of the invention;
The structural representation of the increase type navigation system that Fig. 7 provides for third embodiment of the invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Enhanced positioning method described in the embodiment of the present invention, main purpose be to overcome in prior art due to use linear FM signal position time, due to the impact of the signal that is interfered, the bandwidth of linear FM signal is restricted, thus improving the accuracy of its location, following examples are enumerated embodiment respectively from the angle of the angle of the angle of system, launch terminal and receiving terminal respectively and are described.
Embodiment one:
Fig. 1 shows the realization flow of the enhanced positioning method that first embodiment of the invention provides, and details are as follows:
In step S101, according to the position at the launch terminal place of linear FM signal, detect described launch terminal and can be used as the first frequency spectrum transmitted.
Concrete, described linear FM signal, as shown in Figure 1a, described linear FM signal refers to the increase linearly over time of its frequency or the signal of reduction.The instantaneous power f (t) of linear FM signal linearly changes, and its expression formula can be: f (t)=f
0+ kt, wherein f
0for original frequency, k is the rate of change of frequency, and when k is greater than zero, frequency increments, when k is less than zero, frequency is successively decreased.
The launch terminal of described linear FM signal, can be used for producing chirped pulse signal, and described pulse signal can square-wave signal, the waveform signal of triangular signal or sine and cosine.The linear FM signal that the launch terminal of described linear FM signal produces can control, can according between the linear zone pre-set, change between in described linear zone or between multiple linear zone.Such as these two frequency separations of 100-200 and 300-400 are being set, suppose that the linear FM signal of frequency increments is when frequency is sometime 200, the frequency so produced in the ensuing moment is 300, in linear frequency change procedure, there is the saltus step of a frequency, thus can ensure that linear FM signal changes in predetermined interval.
The position at described linear FM signal place, region because of the country residing for it or area is different and to there being different authorized frequency bands, this is because the concrete communication standard in every country area is different, and select different authorized frequency bands, therefore, according to the position of positioning product, can pre-set the authorized frequency bands data in every country or area in launch terminal, corresponding authorized frequency bands data are selected in the position according to launch terminal place.
As a kind of enforceable mode of the present invention, whether can also detect the authorized frequency bands used at receiving terminal and launch terminal has other launch terminal or receiving terminal using, if there is the authorized frequency bands used, then avoid the authorized frequency bands of this use.
Work as institute, described linear FM signal, also comprise the interference signal of other unlicensed band signal, as shown in Figure 1 b, the transmitting boundary of transmitter and the transmitting boundary of jamming transmitter 1 partly overlap, the linear FM signal sent for avoiding launch terminal causes interference to interference receiver 1, and avoids transmitter efficiency to reduce, the frequency signal that the transmitter 1 that needs to avoid interference is launched.Certainly, if the frequency that described jamming transmitter is launched is the frequency separation of a change, accordingly, the frequency that transmitter is launched also just should avoid this frequency separation.
Wherein, the described launch terminal of described detection can be used as the concrete steps of the first frequency spectrum transmitted, and can comprise the steps:
Whether the transmitter position place detecting described linear FM signal exists the signal of unlicensed band;
When the transmitter position place of described linear FM signal exists the signal of unlicensed band, remove the frequency of the unlicensed band existence detected, and authorized frequency bands, obtain can be used as the first frequency spectrum transmitted.
Unlicensed band described in the embodiment of the present invention and the unlicensed band hereafter mentioned, it is the communication frequency for distinguishing official or correspondence entity restriction, authorized frequency bands refers to that the needs of official or correspondence entity restriction allow the frequency that could use, the communication frequency etc. that such as local broadcasting station, mobile communications network use, and unlicensed band refers to and requires no official or correspondence entity permission and spendable frequency.
Wherein, there is the signal of unlicensed band in the described transmitter position place when described linear FM signal, remove the frequency of the unlicensed band existence detected, and authorized frequency bands, or remove the authorized frequency bands used in the certain limit of receiving terminal or launch terminal, obtain can be used as in the step of the first frequency spectrum transmitted, by the frequency will existed in the unlicensed band of detection, when can be such as concrete frequency values, remove a frequency separation centered by this frequency values.Certainly, the frequency that described unlicensed band exists can be one or more, in addition, also needs to remove the frequency band of authorizing, obtains the frequency separation that normally can use as linear FM signal at launch terminal.
Owing to needing to detect frequency signal at launch terminal, therefore, need to arrange corresponding frequency sonding device at launch terminal, to detect described unlicensed band or authorized frequency bands signal.
In step s 102, according to the position at the receiving terminal place of linear FM signal, detect the second frequency spectrum that described receiving terminal can be used as Received signal strength.
Similar with step S101, the receiving terminal of Linear Frequency Modulation signal needs can the step of frequency spectrum of Received signal strength can comprise it:
Whether the receiver position place detecting described linear FM signal exists the signal of unlicensed band;
When the transmitter position place of described linear FM signal exists the signal of unlicensed band, remove the frequency of the unlicensed band existence detected, and authorized frequency bands, obtain the second frequency spectrum that can be used as Received signal strength.
Because receiving terminal itself can not produce interference signal to other receiver, but other interference launch terminal may cause interference to receiving terminal, therefore, the frequency of the signal to receiving terminal position is needed to detect, the frequency band of other interference signal can be avoided, transmitting of the low noise better received.
The signal of unlicensed band is there is as the described transmitter position place when described linear FM signal, remove the frequency of the unlicensed band existence detected, and the authorized frequency bands used in the certain limit of authorized frequency bands or launch terminal and receiving terminal, obtain a kind of mode more optimized of the second frequency spectrum step that can be used as Received signal strength, it is specifically as follows:
When the transmitter position place of described linear FM signal exists the signal of unlicensed band, judge whether the intensity of the signal of described unlicensed band is greater than predetermined intensity;
When the intensity of the signal of described unlicensed band is greater than predetermined intensity, then remove the frequency of the unlicensed band existence detected, and authorized frequency bands, obtain the second frequency spectrum that can be used as Received signal strength.
As illustrated in figure 1 c, the distance of jamming transmitter 2 and receiving terminal is less than the distance between launch terminal and receiving terminal, the signal strength signal intensity that the signal produced by jamming transmitter 2 receives at receiving terminal, the signal that may send than launch terminal is stronger in the intensity of the signal that receiving terminal receives, for obtaining the bandwidth of a wider linear FM signal, preset signal strength signal intensity, when the signal strength signal intensity that receiving terminal detects is greater than this value, in the second frequency spectrum, remove the interval that this is greater than the frequency values of predetermined strength.
In step s 103, get common factor according to described first step frequency spectrum and described second frequency spectrum, generate the 3rd frequency spectrum.
The emission spectrum that first frequency spectrum allows for launch terminal, described second frequency spectrum allows by receiving terminal the frequency spectrum that receives, the frequency spectrum launched for making launch terminal is corresponding to the frequency spectrum that described receiving terminal receives, the first frequency spectrum selecting described launch terminal can be used as to transmit, the second frequency spectrum that can be used as Received signal strength comprised with receiving terminal gets common factor, obtains can be used for the 3rd frequency spectrum that described launch terminal and described receiving terminal carry out linear FM signal transmitting-receiving.
Wherein, when generating described 3rd frequency spectrum, by transmitting terminal, described first frequency spectrum can be sent to described receiving terminal, receiving terminal generates the 3rd frequency spectrum according to the first frequency spectrum and the second frequency spectrum.By receiving terminal, the second frequency spectrum can certainly be sent to transmitting terminal, transmitting terminal generates the 3rd frequency spectrum according to the first frequency spectrum and the second frequency spectrum.Or after wherein either party generates the 3rd frequency spectrum, be sent to the opposing party.
In step S104, according to described 3rd spectrum control launch terminal send linear FM signal and, according to described 3rd spectrum control, receiving terminal receives described linear FM signal.
According to described 3rd frequency spectrum, transmitting terminal is at selected original frequency f
0rear and frequency change rate, sends linear FM signal according to the 3rd selected frequency spectrum.The band portion lacked in the 3rd frequency band, directly jumps to next frequency values existed in the 3rd frequency band.According to corresponding variation relation, receiving terminal receives described linear FM signal, carries out matching treatment.
What provide for the embodiment of the present invention as shown in Figure 1 d generates the schematic diagram of the 3rd frequency band by the first frequency band, the second frequency band:
In the first frequency band, launch terminal detects already present frequency separation and comprises that [a, b] is interval, [c, d] is interval, be [E, F] interval in addition according to the authorized frequency bands of system storage;
In the second frequency band, receiving terminal detection detects the unlicensed frequencies existed in the range of receiving of this receiving terminal and occupies [g, h] interval and [j, k] interval, in addition, identical with launch terminal, and authorized frequency bands is that [E, F] is interval.
If get in the first frequency spectrum wherein one section as linear FM signal, such as get [b, E] frequency of section positions as linear FM signal, or get [0, a] frequency of section as linear frequency modulation, so just may be subject to the interference of frequency at the receiving terminal of correspondence, and due to the narrower in width of frequency band, make chirped width very little, affect precision when it positions.
The present invention is by getting common factor by described first frequency band and the second frequency band, obtain the 3rd frequency band as shown in the figure, owing to not comprising the frequency separation that launch terminal and receiving terminal occupy in the 3rd frequency band, obtain available frequency separation as shown in Figure 1 d, comprise [0, a], [h, E], [F, c] and be greater than the frequency separation of k, this figure just illustrates may comprise more unavailable frequency separation in reality by its available frequency separation certainly.
Certainly, described frequency band [E.F] also can for detect, at launch terminal or the already present authorized frequency bands of receiving terminal, thus the frequency spectrum of the authorized frequency bands of part non-usage can be utilized, expand the available spectral range of linear frequency modulation further.
In embodiments of the present invention, by detecting available frequency, wherein can frequency can comprise: 1, for ISM, (English full name is: Industrial Scientific Medical, that the Chinese meaning is industry, science, medical science) frequency range (namely do not need the frequency range of the certificate of authority, such as 2.4G, 5.8G frequency range), thus the strong jamming of the ISM band used can be avoided, according to the requirement of ISM band transmitting power, position action; 2, for the frequency range needing mandate, localization method of the present invention, by detecting, can search and whether having other receive-transmit system in use in mandate frequency range, by the transmitting power not affecting normal system use, can position action.Because the present invention can expand the width of the frequency separation that linear frequency modulation can use greatly, and the interference of interference signal of receiving terminal or transmitting terminal can not be subject to, effectively can improve the accuracy that linear FM signal positions.
Embodiment two:
Fig. 2 shows the realization flow of the chirped framing signal launching technique that second embodiment of the invention provides, and details are as follows:
In step s 201, according to the position at current launch terminal place, detect described launch terminal and can be used as the first frequency spectrum transmitted.
In step S202, receive second frequency spectrum that can be used as Received signal strength at the receiving terminal position place corresponding with described launch terminal.
In step S203, according to the common factor of the first frequency spectrum and described second frequency spectrum, generate the 3rd frequency spectrum, according to described 3rd spectrum control, launch terminal sends linear FM signal.
The realization flow of the method for reseptance of the linear frequency modulation framing signal that Fig. 3 provides for second embodiment of the invention, details are as follows:
In step S301, according to the position at current receiving terminal place, detect the second frequency spectrum that described receiving terminal can be used as Received signal strength;
In step s 302, first frequency spectrum that can be used as Received signal strength at the launch terminal position place corresponding with described receiving terminal is received;
In step S303, according to the common factor of the first frequency spectrum and described second frequency spectrum, generate the 3rd frequency spectrum, according to described 3rd spectrum control, receiving terminal receives described linear FM signal.
Fig. 2 and Fig. 3 respectively by the angle of the launch terminal of linear FM signal and the receiving terminal of linear FM signal to the description of described linear FM signal launching technique and method of reseptance, it is identical with the enhanced positioning method described in embodiment one that it realizes details, do not repeat at this.
Embodiment three:
Fig. 4 shows the structural representation of the enhancement mode positioner that third embodiment of the invention provides, and described device comprises:
First detecting unit 401, for the position at the launch terminal place according to linear FM signal, detects described launch terminal and can be used as the first frequency spectrum transmitted;
Second detecting unit 402, for the position at the receiving terminal place according to linear FM signal, detects the second frequency spectrum that described receiving terminal can be used as Received signal strength;
Generation unit 403, for getting common factor according to described first step frequency spectrum and described second frequency spectrum, generates the 3rd frequency spectrum;
Transmission and reception unit 404, for launch terminal according to described 3rd spectrum control send linear FM signal and, according to described 3rd spectrum control, receiving terminal receives described linear FM signal.
Wherein preferred embodiment in, whether described first detecting unit exists the signal of unlicensed band specifically for the transmitter position place detecting described linear FM signal;
When the transmitter position place of described linear FM signal exists the signal of unlicensed band, remove the frequency of the unlicensed band existence detected, and authorized frequency bands, obtain can be used as the first frequency spectrum transmitted;
Whether described second detecting unit exists the signal of unlicensed band specifically for the receiver position place detecting described linear FM signal;
When the transmitter position place of described linear FM signal exists the signal of unlicensed band, remove the frequency of the unlicensed band existence detected, and authorized frequency bands, obtain the second frequency spectrum that can be used as Received signal strength.
Described generation unit can specifically for being can be used as the first frequency spectrum transmitted by described launch terminal, the second frequency spectrum that can be used as Received signal strength comprised with receiving terminal gets common factor, obtains can be used for the 3rd frequency spectrum that described launch terminal and described receiving terminal carry out linear FM signal transmitting-receiving.
Enhancement mode positioner described in Fig. 4 is corresponding with the enhanced positioning method described in Fig. 1, does not repeat at this.
The structural representation of the chirped framing signal emitter that Fig. 5 provides for the embodiment of the present invention, the chirped framing signal launching technique shown in its with Fig. 2 is corresponding, and described device comprises:
First detection module 501, for the position according to current launch terminal place, detects described launch terminal and can be used as the first frequency spectrum transmitted;
First receiver module 502, for receiving second frequency spectrum that can be used as Received signal strength at the receiving terminal position place corresponding with described launch terminal;
First generates control module 503, and for the common factor according to the first frequency spectrum and described second frequency spectrum, generate the 3rd frequency spectrum, according to described 3rd spectrum control, launch terminal sends linear FM signal.
The structural representation of the chirped positioning signal reception device that Fig. 6 provides for the embodiment of the present invention, the chirped positioning signal reception method shown in its with Fig. 3 is corresponding, and described device comprises:
Second detection module 601, for the position according to current receiving terminal place, detects the second frequency spectrum that described receiving terminal can be used as Received signal strength;
Second receiver module 602, for receiving first frequency spectrum that can be used as Received signal strength at the launch terminal position place corresponding with described receiving terminal;
Second generates control module 603, and for the common factor according to the first frequency spectrum and described second frequency spectrum, generate the 3rd frequency spectrum, according to described 3rd spectrum control, receiving terminal receives described linear FM signal.
Embodiment four:
Fig. 7 shows the structural representation of the enhancement mode navigation system that fourth embodiment of the invention provides, and details are as follows:
Described system comprises launch terminal 701 and receiving terminal 702, wherein:
Described launch terminal 701 is for the position according to the place of launch terminal own, detect and can be used as the first frequency spectrum transmitted, and receive the second frequency spectrum sent by receiving terminal, the common factor getting described first frequency spectrum and described second frequency spectrum obtains the 3rd frequency spectrum, and according to described 3rd spectrum control, launch terminal sends linear FM signal;
Described receiving terminal 702 is for the position according to the place of receiving terminal own, detect the first frequency spectrum that can be used as Received signal strength, and receive the first frequency spectrum sent by transmitting terminal, the common factor getting described first frequency spectrum and described second frequency spectrum obtains the 3rd frequency spectrum, and according to described 3rd spectrum control, receiving terminal receives linear FM signal.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. an enhanced positioning method, is characterized in that, described method comprises:
According to the position at the launch terminal place of linear FM signal, detect described launch terminal and can be used as the first frequency spectrum transmitted;
According to the position at the receiving terminal place of linear FM signal, detect the second frequency spectrum that described receiving terminal can be used as Received signal strength;
Get common factor according to described first step frequency spectrum and described second frequency spectrum, generate the 3rd frequency spectrum;
According to described 3rd spectrum control launch terminal send linear FM signal and, according to described 3rd spectrum control, receiving terminal receives described linear FM signal.
2. method according to claim 1, is characterized in that, the position at the described launch terminal place according to linear FM signal, detects described launch terminal and can be used as the first frequency spectrum step transmitted and be:
Whether the transmitter position place detecting described linear FM signal exists the signal of unlicensed band;
When the transmitter position place of described linear FM signal exists the signal of unlicensed band, remove the frequency of the unlicensed band existence detected, and authorized frequency bands, obtain can be used as the first frequency spectrum transmitted;
The position at the described receiving terminal place according to linear FM signal, detecting the second frequency spectrum step that described receiving terminal can be used as Received signal strength is:
Whether the receiver position place detecting described linear FM signal exists the signal of unlicensed band;
When the transmitter position place of described linear FM signal exists the signal of unlicensed band, remove the frequency of the unlicensed band existence detected, and authorized frequency bands, obtain the second frequency spectrum that can be used as Received signal strength.
3. method according to claim 2, it is characterized in that, there is the signal of unlicensed band in the described transmitter position place when described linear FM signal, remove the frequency of the unlicensed band existence detected, and authorized frequency bands, the second frequency spectrum step obtaining can be used as Received signal strength comprises:
When the transmitter position place of described linear FM signal exists the signal of unlicensed band, judge whether the intensity of the signal of described unlicensed band is greater than predetermined intensity;
When the intensity of the signal of described unlicensed band is greater than predetermined intensity, then remove the frequency of the unlicensed band existence detected, and authorized frequency bands, obtain the second frequency spectrum that can be used as Received signal strength.
4. a chirped framing signal launching technique, is characterized in that, described method comprises:
According to the position at current launch terminal place, detect described launch terminal and can be used as the first frequency spectrum transmitted;
Receive second frequency spectrum that can be used as Received signal strength at the receiving terminal position place corresponding with described launch terminal;
According to the common factor of the first frequency spectrum and described second frequency spectrum, generate the 3rd frequency spectrum, according to described 3rd spectrum control, launch terminal sends linear FM signal.
5. a method of reseptance for linear frequency modulation framing signal, is characterized in that, described method comprises:
According to the position at current receiving terminal place, detect the second frequency spectrum that described receiving terminal can be used as Received signal strength;
Receive first frequency spectrum that can be used as Received signal strength at the launch terminal position place corresponding with described receiving terminal;
According to the common factor of the first frequency spectrum and described second frequency spectrum, generate the 3rd frequency spectrum, according to described 3rd spectrum control, receiving terminal receives described linear FM signal.
6. an enhancement mode positioner, is characterized in that, described device comprises:
First detecting unit, for the position at the launch terminal place according to linear FM signal, detects described launch terminal and can be used as the first frequency spectrum transmitted;
Second detecting unit, for the position at the receiving terminal place according to linear FM signal, detects the second frequency spectrum that described receiving terminal can be used as Received signal strength;
Generation unit, for getting common factor according to described first step frequency spectrum and described second frequency spectrum, generates the 3rd frequency spectrum;
Transmission and reception unit, for launch terminal according to described 3rd spectrum control send linear FM signal and, according to described 3rd spectrum control, receiving terminal receives described linear FM signal.
7. a chirped framing signal emitter, is characterized in that, described device comprises:
First detection module, for the position according to current launch terminal place, detects described launch terminal and can be used as the first frequency spectrum transmitted;
First receiver module, for receiving second frequency spectrum that can be used as Received signal strength at the receiving terminal position place corresponding with described launch terminal;
First generates control module, and for the common factor according to the first frequency spectrum and described second frequency spectrum, generate the 3rd frequency spectrum, according to described 3rd spectrum control, launch terminal sends linear FM signal.
8. a receiving system for linear frequency modulation framing signal, is characterized in that, described device comprises:
Second detection module, for the position according to current receiving terminal place, detects the second frequency spectrum that described receiving terminal can be used as Received signal strength;
Second receiver module, for receiving first frequency spectrum that can be used as Received signal strength at the launch terminal position place corresponding with described receiving terminal;
Second generates control module, and for the common factor according to the first frequency spectrum and described second frequency spectrum, generate the 3rd frequency spectrum, according to described 3rd spectrum control, receiving terminal receives described linear FM signal.
9. an enhancement mode navigation system, is characterized in that, described system comprises launch terminal and receiving terminal, wherein:
Described launch terminal is used for the position according to the place of launch terminal own, detect and can be used as the first frequency spectrum transmitted, and receive the second frequency spectrum sent by receiving terminal, the common factor getting described first frequency spectrum and described second frequency spectrum obtains the 3rd frequency spectrum, and according to described 3rd spectrum control, launch terminal sends linear FM signal;
Described receiving terminal is used for the position according to the place of receiving terminal own, detect the first frequency spectrum that can be used as Received signal strength, and receive the first frequency spectrum sent by transmitting terminal, the common factor getting described first frequency spectrum and described second frequency spectrum obtains the 3rd frequency spectrum, and according to described 3rd spectrum control, receiving terminal receives linear FM signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410396979.9A CN104378737B (en) | 2014-08-13 | 2014-08-13 | A kind of enhanced positioning method, apparatus and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410396979.9A CN104378737B (en) | 2014-08-13 | 2014-08-13 | A kind of enhanced positioning method, apparatus and system |
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| Publication Number | Publication Date |
|---|---|
| CN104378737A true CN104378737A (en) | 2015-02-25 |
| CN104378737B CN104378737B (en) | 2018-05-01 |
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| CN201410396979.9A Active CN104378737B (en) | 2014-08-13 | 2014-08-13 | A kind of enhanced positioning method, apparatus and system |
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| CN105101409A (en) * | 2015-07-31 | 2015-11-25 | 小米科技有限责任公司 | Mobile terminal positioning method and device |
| CN106211061A (en) * | 2016-06-29 | 2016-12-07 | 联想(北京)有限公司 | A kind of data processing method and electronic equipment |
| WO2020082985A1 (en) * | 2018-10-25 | 2020-04-30 | 华为技术有限公司 | Detection method, device, and system |
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| CN103517282A (en) * | 2012-06-27 | 2014-01-15 | 华为技术有限公司 | Method and device for acquiring available frequency spectrums |
| CN103558598A (en) * | 2013-11-04 | 2014-02-05 | 深圳市翌日科技有限公司 | Accurate positioning method based on linear frequency modulation continuous wave technology and accurate positioning devices based on linear frequency modulation continuous wave technology |
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| CN102387504A (en) * | 2010-09-03 | 2012-03-21 | 华为技术有限公司 | Public channel processing method, device and system |
| CN103517282A (en) * | 2012-06-27 | 2014-01-15 | 华为技术有限公司 | Method and device for acquiring available frequency spectrums |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105101409A (en) * | 2015-07-31 | 2015-11-25 | 小米科技有限责任公司 | Mobile terminal positioning method and device |
| CN105101409B (en) * | 2015-07-31 | 2018-09-04 | 小米科技有限责任公司 | The method and apparatus of mobile terminal location |
| CN106211061A (en) * | 2016-06-29 | 2016-12-07 | 联想(北京)有限公司 | A kind of data processing method and electronic equipment |
| CN106211061B (en) * | 2016-06-29 | 2019-09-24 | 联想(北京)有限公司 | A kind of data processing method and electronic equipment |
| WO2020082985A1 (en) * | 2018-10-25 | 2020-04-30 | 华为技术有限公司 | Detection method, device, and system |
| US11754668B2 (en) | 2018-10-25 | 2023-09-12 | Huawei Technologies Co., Ltd. | Detection method, detection apparatus, and system |
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| CN104378737B (en) | 2018-05-01 |
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