CN101282172B - Method for automatically generating frequency library of shortwave frequency hopping - Google Patents
Method for automatically generating frequency library of shortwave frequency hopping Download PDFInfo
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- CN101282172B CN101282172B CN2008100446271A CN200810044627A CN101282172B CN 101282172 B CN101282172 B CN 101282172B CN 2008100446271 A CN2008100446271 A CN 2008100446271A CN 200810044627 A CN200810044627 A CN 200810044627A CN 101282172 B CN101282172 B CN 101282172B
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Abstract
A method for automatically generating a short-wave frequency-hopping frequency database belongs to a method for generating a frequency database. The aim of the invention is to settle the problems of inferior real-time property and inferior stability and reliability of the frequency in the frequency database according to the prior art. The method comprises the following steps: on-time actuating scanning and detecting by two sides in the node pair according to the system clock; scanning and transmitting by A from a prescribed starting frequency to a prescribed pause frequency with a prescribed frequency interval, wherein each frequency stays for n seconds; scanning and receiving by B from a prescribed starting frequency to a prescribed pause frequency with a same frequency interval, wherein each frequency stays for n seconds, evaluating the channel quality and ranking thereby to obtain the position of the frequency-passable window from A to B; obtaining the position of the frequency-passable window from B to A and the ranking information of the channel quality; and generating the required frequency-hopping frequency database by the two sides with a same method. The method of the invention is suitable for the generation of the short-wave frequency-hopping frequency database.
Description
Technical field
The invention belongs to a kind of frequency library generating method in the shortwave frequency hopping communications, particularly a kind of frequency storehouse generates method automatically.
Background technology
The medium-term and long-term frequency that the setting in the frequency hopping frequency storehouse of using in the existing shortwave frequency-hopping communication system normally provides according to the radio wave propagation mechanism for monitoring is forecast the result or is by virtue of experience carried out, has bigger limitation in actual use, have following deficiency: real-time is poor, frequency quality stability and poor reliability in the frequency storehouse.
Summary of the invention
The objective of the invention is to solve that the real-time that existing frequency hopping frequency library generating method exists is poor, the frequency quality stability in the frequency storehouse and the problem of poor reliability, the method in a kind of automatic generation frequency hopping frequency storehouse is provided, and channel quality sorted, just optimize best initial frequency hopping operating frequency by channel quality.
Purpose of the present invention realizes by following technical proposals:
A kind of method for automatically generating frequency library of shortwave frequency hopping comprises the steps:
A. the both sides of communication node centering regularly start scanning probe according to system clock;
B. the initial frequency of the node A of communication node centering from setting, with the frequency interval scanning emission of setting, up to the termination frequency of setting, the resident n of each frequency second;
C. the Node B of communication node centering begins with the initial frequency identical with node A, receive with identical frequency interval scanning, up to identical termination frequency, the same resident n of each frequency second, and assess the channel quality of each frequency, carry out the channel quality ordering, get the position of egress A to the led to frequency window of Node B;
D. to draw position and the channel quality sequencing information of Node B to the led to frequency window of node A with the same method of step c;
E. the both sides of communication node centering adopt identical method can lead to the frequency hopping frequency storehouse that generates N frequency of needs in the frequency window automatically;
F. the both sides of communication node centering are according to scanning the channel quality sequencing information that receiving course obtains, and M the frequency that goes out to need by quality selective sequential just from the frequency hopping frequency storehouse of automatic generation is as initial frequency hopping operating frequency.
Each step process more specifically is respectively:
Among the described step a, scanning probe information is modulated on the lower transmission rate, and its information frame adopts the short frame structure of regular length, repeatedly retransmits on each frequency.
Among the described step c, the detection information on each frequency of Node B receiving demodulation, and carry out statistical analysis, the reception that produces local terminal can be led to frequency window parameter and channel quality sequencing information.
In the described steps d, Node B begins from the original frequency transmission detectable signal of setting and carries the local terminal reception to lead to frequency window parameter and channel quality sequencing information, the reception of the Node B that comprises in the node A reception explore frame can be led to frequency window parameter and channel quality sequencing information, detectable signal on reception and each frequency of demodulation, carry out statistical analysis again, the receive frequency that produces node A can lead to window parameter and channel quality sequencing information.
Also have steps d 0 after the described steps d, promptly node A sends detectable signal once more and carries local terminal receive frequency window parameter and the channel quality sequencing information, and Node B receives and separate receive frequency window parameter and the channel quality sequencing information of point of adjustment A.
Among the described step a, adopt the mode that instruction manually is set to start, before starting scanning probe, both sides are remained in the error range of permission start-up time, and:
A1. change and participate in clock cycle employing 50ms frequently, participate in clock pulse after both sides start shooting and differ maximum 25ms;
A2. scanning frame elementary cell time span is 50ms, comprises detection information, can lead to frequency window information and channel quality sequencing information;
A3. adopt after transmitting real-time clock information on the duties frequency or real-time clock information manually is set, the time difference that both sides start detection process is not more than 25ms.
As one embodiment of the present of invention, the resident time of described each frequency is 1 second.
The present invention adopts the method for above-mentioned steps, in the middle of communication process, can start the scanning probe process automatically according to operational order and can lead to frequency window to seek, and sort according to channel quality automatically, frequency hopping frequency storehouse that generation can be led to and initial frequency hopping operating frequency group, for the hf adaptive frequency-hopping communication system provides an available operating frequency frequency range and best initialization frequency, on this basis, adopt the shortwave frequency-hopping communication system of this method to find the time of the frequency hopping operating frequency of sufficient amount to shorten greatly adaptively.
As seen, adopt the present invention of above-mentioned steps, compared with prior art, have following advantage:
1, the frequency storehouse of Sheng Chenging more can be complementary with current channel;
2, the frequency storehouse of Sheng Chenging more can adapt to the changeable characteristics of short wave channel;
3, greatly reducing frequency hopping frequency storehouse generates and the dependence and the blindness that are provided with;
4, real-time is better, and the frequency channels quality is more stable and more reliable;
5, easier in the operation.
Embodiment
The present invention is further illustrated below in conjunction with concrete example.
A kind of method for automatically generating frequency library of shortwave frequency hopping comprises the steps:
A. the both sides of communication node centering regularly start scanning probe according to system clock, and concrete grammar is:
Adopt the mode that instruction manually is set to start, before starting scanning probe, both sides are remained in the error range of permission start-up time, scanning probe information is modulated on the lower transmission rate, its information frame adopts the short frame structure of regular length, in the residence time of each frequency, repeat to send 20 times, and:
A1. change the 50ms of reference clock cycle employing frequently, pulse reference clock differed maximum 25ms after both sides started shooting;
A2. scanning frame elementary cell time span is 50ms, comprises detection information, can lead to frequency window information and channel quality sequencing information;
A3. adopt after transmitting real-time clock information on the duties frequency or real-time clock information manually is set, the time difference that both sides start detection process is not more than 25ms.
B. the initial frequency of the node A of communication node centering from setting launched with the frequency interval scanning of setting, up to the termination frequency of setting, resident 1 second of each frequency;
C. the Node B of communication node centering begins with the initial frequency identical with node A, receive with identical frequency interval scanning, up to identical termination frequency, same resident 1 second of each frequency, the detection information on each frequency of Node B receiving demodulation carries out statistical analysis, and assess the channel quality of each frequency, carry out the channel quality ordering, get the position of egress A to the led to frequency window of Node B, the reception that produces local terminal can be led to frequency window parameter and channel quality sequencing information.
D. to draw position and the channel quality sequencing information of Node B to the led to frequency window of node A with the same method of step c.Detailed process is: Node B begins from the original frequency transmission detectable signal of setting and carries the local terminal reception to lead to frequency window parameter and channel quality sequencing information, the reception of the Node B that comprises in the node A reception explore frame can be led to frequency window parameter and channel quality sequencing information, detectable signal on reception and each frequency of demodulation, carry out statistical analysis again, the receive frequency that produces node A can lead to window parameter and channel quality sequencing information.
D0. node A sends detectable signal once more and carries local terminal receive frequency window parameter and the channel quality sequencing information, and Node B receives and separate receive frequency window parameter and the channel quality sequencing information of point of adjustment A.
E. the both sides of communication node centering adopt identical method and rule can lead to the frequency hopping frequency storehouse that generates N frequency of needs in the frequency window automatically;
F. the both sides of communication node centering are according to scanning the channel quality sequencing information that receiving course obtains, and M the frequency that goes out to need by quality selective sequential just from the frequency hopping frequency storehouse of automatic generation is as initial frequency hopping operating frequency.
Claims (8)
1. a method for automatically generating frequency library of shortwave frequency hopping is characterized in that, comprises the steps:
A. the both sides of communication node centering regularly start scanning probe according to system clock;
B. the initial frequency of the node A of communication node centering from setting, with the frequency interval scanning emission of setting, up to the termination frequency of setting, the resident n of each frequency second;
C. the Node B of communication node centering begins with the initial frequency identical with node A, receive with identical frequency interval scanning, up to identical termination frequency, the same resident n of each frequency second, and assess the channel quality of each frequency, carry out the channel quality ordering, get the position of egress A to the led to frequency window of Node B;
D. to draw position and the channel quality sequencing information of Node B to the led to frequency window of node A with the same method of step a-c;
E. the both sides of communication node centering adopt identical method can lead to the frequency hopping frequency storehouse that generates N frequency of needs in the frequency window automatically.
2. a kind of according to claim 1 method for automatically generating frequency library of shortwave frequency hopping, it is characterized in that among the described step a, scanning probe information is modulated on the lower transmission rate, its information frame adopts the short frame structure of regular length, repeatedly retransmits on each frequency.
3. as a kind of method for automatically generating frequency library of shortwave frequency hopping as described in the claim 2, it is characterized in that, among the described step c, the detection information on each frequency of Node B receiving demodulation, and carry out statistical analysis, the reception that produces local terminal can be led to frequency window parameter and channel quality sequencing information.
4. as a kind of method for automatically generating frequency library of shortwave frequency hopping as described in the claim 3, it is characterized in that, in the described steps d, Node B begins from the original frequency transmission detectable signal of setting and carries the local terminal reception to lead to frequency window parameter and channel quality sequencing information, the reception of the Node B that comprises in the node A reception explore frame can be led to frequency window parameter and channel quality sequencing information, detectable signal on reception and each frequency of demodulation, carry out statistical analysis again, the receive frequency that produces node A can lead to window parameter and channel quality sequencing information.
5. as a kind of method for automatically generating frequency library of shortwave frequency hopping as described in the claim 4, it is characterized in that, also has steps d 0 after the described steps d, be that node A sends detectable signal once more and carries local terminal receive frequency window parameter and the channel quality sequencing information, Node B receives and separates receive frequency window parameter and the channel quality sequencing information of point of adjustment A.
6. as a kind of method for automatically generating frequency library of shortwave frequency hopping as described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that, among the described step a, adopt the mode that instruction manually is set to start, before starting scanning probe, both sides are remained in the error range of permission start-up time, and:
Al. change the 50ms of reference clock cycle employing frequently, pulse reference clock differed maximum 25ms after both sides started shooting;
A2. scanning frame elementary cell time span is 50ms, comprises detection information, can lead to frequency window information and channel quality sequencing information;
A3. adopt after transmitting real-time clock information on the duties frequency or real-time clock information manually is set, the time difference that both sides start detection process is not more than 25ms.
7. as a kind of method for automatically generating frequency library of shortwave frequency hopping as described in the claim 6, it is characterized in that the resident time of described each frequency is 1 second.
8. as a kind of method for automatically generating frequency library of shortwave frequency hopping as described in the claim 6, it is characterized in that, f in steps also behind the described step e, the both sides that are communication node centering are according to scanning the channel quality sequencing information that receiving course obtains, and M the frequency that goes out to need by quality selective sequential just from the frequency hopping frequency storehouse of automatic generation is as initial frequency hopping operating frequency.
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| CN101282172B true CN101282172B (en) | 2011-11-23 |
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| CN102045735B (en) * | 2010-12-21 | 2013-07-17 | 广州海格通信集团股份有限公司 | Method and unit for realizing automatic frequency detection network creation in frequency hopping radio network |
| SE539871C2 (en) * | 2015-02-04 | 2017-12-27 | Lumenradio Ab | A method and a system for selecting communication parametersin a wireless network |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1113669A (en) * | 1993-08-25 | 1995-12-20 | 莫托罗拉公司 | Method and apparatus for operating with a hopping control channel in a communication system |
| US6191727B1 (en) * | 1998-12-09 | 2001-02-20 | L-3 Communications Corporation | System and method for detecting signals across radar and communications bands |
| US7230971B1 (en) * | 2001-05-17 | 2007-06-12 | Cypress Semiconductor Corp. | Random number generator |
| CN101014156A (en) * | 2007-01-22 | 2007-08-08 | 协同智迅通信技术（深圳）有限公司 | Digital cluster communication method with the control channel frequency hopping function |
-
2008
- 2008-06-04 CN CN2008100446271A patent/CN101282172B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1113669A (en) * | 1993-08-25 | 1995-12-20 | 莫托罗拉公司 | Method and apparatus for operating with a hopping control channel in a communication system |
| US6191727B1 (en) * | 1998-12-09 | 2001-02-20 | L-3 Communications Corporation | System and method for detecting signals across radar and communications bands |
| US7230971B1 (en) * | 2001-05-17 | 2007-06-12 | Cypress Semiconductor Corp. | Random number generator |
| CN101014156A (en) * | 2007-01-22 | 2007-08-08 | 协同智迅通信技术（深圳）有限公司 | Digital cluster communication method with the control channel frequency hopping function |
Non-Patent Citations (3)
| Title |
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| Cassereau, P. |
| Cassereau, P.;Jaffe, J..Frequency hopping patterns for simultaneous multiple-beam sonar imaging.《Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP "87》.1987,第2卷 * |
| Jaffe, J..Frequency hopping patterns for simultaneous multiple-beam sonar imaging.《Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP "87》.1987,第2卷 |
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