CN111708051A - Semitransparent forwarding control method for satellite signals - Google Patents
Semitransparent forwarding control method for satellite signals Download PDFInfo
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- CN111708051A CN111708051A CN202010604191.8A CN202010604191A CN111708051A CN 111708051 A CN111708051 A CN 111708051A CN 202010604191 A CN202010604191 A CN 202010604191A CN 111708051 A CN111708051 A CN 111708051A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- G01S19/09—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing processing capability normally carried out by the receiver
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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
Abstract
The invention relates to the technical field of information transmission, in particular to a semitransparent forwarding control method of satellite signals, which regenerates the satellite signals and adjusts the intensity before forwarding the satellite signals, thereby improving the signal receiving quality; the method comprises the following steps: s1, acquiring GNSS signals of the global navigation satellite system, and judging the system to which the signals belong; s2, filtering the received signals to filter out other wireless signals except the satellite signals and recording the satellite signal strength; s3, performing drying processing on the signal received in the S2; after the signals in S4 and S3 are processed, the signals are regenerated; and S5, packing the regenerated satellite signals, wherein the packing name is the regeneration completion time point, storing the satellite signals, forwarding the packed satellite signals, recording the sending time point, and recording the packing name and decompressing the satellite signals after the receiving device receives the signals.
Description
Technical Field
The invention relates to the technical field of information transmission, in particular to a semitransparent forwarding control method of satellite signals.
Background
Gnss positioning is an observation that uses pseudoranges, ephemeris, satellite transmit times, etc. from a set of satellites, while the user clock error must also be known. The global navigation satellite system is a space-based radio navigation positioning system that can provide users with all-weather 3-dimensional coordinates and velocity and time information at any location on the earth's surface or in near-earth space.
The satellite navigation positioning technology has basically replaced the ground-based radio navigation, the traditional geodetic survey and the astronomical survey navigation positioning technology at present, and promotes the brand new development of the field of geodetic survey and navigation positioning. Nowadays, the GNSS system is not only an infrastructure of national safety and economy, but also an important mark for embodying the status of modernized big countries and the national comprehensive strength. Due to the important significance in politics, economy, military and other aspects, the major military countries and the economic bodies in the world compete to develop independent and autonomous satellite navigation systems.
The existing satellite signal forwarding method mainly adopts the mode that received satellite signals are directly amplified and then transmitted to a required space area by a forwarding antenna, signals and noise are amplified while being indistinguishable in the forwarding process, so that the quality of the signals received by a navigation receiver in a closed space is poor, and the navigation function cannot be effectively finished.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a method for controlling semitransparent retransmission of satellite signals, which regenerates the satellite signals and adjusts the intensity before retransmitting the satellite signals, thereby improving the signal reception quality.
The invention discloses a semitransparent forwarding control method of satellite signals, which comprises the following steps:
s1, acquiring GNSS signals of the global navigation satellite system, and judging the system to which the signals belong;
s2, filtering the received signals to filter out other wireless signals except the satellite signals and recording the satellite signal strength;
s3, performing drying processing on the signal received in the S2;
after the signals in S4 and S3 are processed, the signals are regenerated;
s5, packing the regenerated satellite signals, wherein the packing name is the regeneration completion time point, storing the satellite signals, forwarding the packed satellite signals, recording the sending time point, and recording the packing name and decompressing the satellite signals after the receiving device receives the signals;
the regeneration in S4 includes the following steps:
(a) amplifying the signal;
(b) filtering the amplified signals in the step (a), filtering noise in the amplified satellite signals, detecting the intensity of the satellite signals, and adjusting the intensity of the satellite signals through an intensity adjusting device to enable the intensity of the satellite signals to be smaller than the intensity of the satellite signals recorded in the step S2, so that excessive forwarding is avoided;
(c) adding a desired reply time period to the satellite signal in (b), translating the desired reply time period into the same form as the satellite signal, and then adding a prefix and a suffix to the translated desired reply time period so that the translated desired reply time period can be recognized by the receiving apparatus;
(d) randomly adding the prefix and postfix added required reply time periods to any position of the satellite signal, and completing the regeneration.
In the method for controlling semitransparent retransmission of satellite signals, in step S3, the drying processing mode includes bandpass filtering, signal mixing, high-frequency filtering and power amplification.
In the translucent repeating control method of a satellite signal according to the present invention, the step S5 further includes extracting a required reply time period in the satellite signal by the receiving device after decompression is completed, recovering the satellite signal before regeneration, replying by the receiving device if the receiving time period is within the required reply time period, and deleting the satellite signal if the receiving time period is outside the required reply time period.
In step S5, for the satellite signal beyond the reply time, the packed satellite signal is retransmitted again until the reply is received.
In the method for controlling semi-transparent forwarding of a satellite signal, in step (d), after the prefix and the translated required reply time period of the suffix are added to any position of the satellite signal at random, a mark which is easily recognized by a receiving device is added at the prefix.
Compared with the prior art, the invention has the beneficial effects that: the invention carries out regeneration processing on the satellite signals before forwarding the satellite signals, firstly amplifies the signals in the regeneration processing process, carries out filtering processing on the amplified signals, and adjusts the strength of the amplified signals, thereby avoiding the phenomenon of excessive forwarding, directly improving the signal quality when the receiving device receives the signals, simultaneously carrying out simple processing on the satellite signals, enhancing the complexity of the satellite signals, improving the safety of the signals, simultaneously improving the feedback mechanism of the satellite signal receiving and reducing the system load.
Drawings
FIG. 1 is a flow chart of the present invention;
fig. 2 is a flow chart of satellite signal regeneration.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1-2, a method for controlling semitransparent retransmission of satellite signals according to the present invention comprises the following steps:
s1, acquiring GNSS signals of the global navigation satellite system, and judging the system to which the signals belong;
s2, filtering the received signals to filter out other wireless signals except the satellite signals and recording the satellite signal strength;
s3, performing drying processing on the signal received in the S2;
after the signals in S4 and S3 are processed, the signals are regenerated;
s5, packing the regenerated satellite signals, wherein the packing name is the regeneration completion time point, storing the satellite signals, forwarding the packed satellite signals, recording the sending time point, and recording the packing name and decompressing the satellite signals after the receiving device receives the signals;
the regeneration in S4 includes the following steps:
(a) amplifying the signal;
(b) filtering the amplified signals in the step (a), filtering noise in the amplified satellite signals, detecting the intensity of the satellite signals, and adjusting the intensity of the satellite signals through an intensity adjusting device to enable the intensity of the satellite signals to be smaller than the intensity of the satellite signals recorded in the step S2, so that excessive forwarding is avoided;
(c) adding a desired reply time period to the satellite signal in (b), translating the desired reply time period into the same form as the satellite signal, and then adding a prefix and a suffix to the translated desired reply time period so that the translated desired reply time period can be recognized by the receiving apparatus;
(d) randomly adding the prefix and postfix added required reply time periods to any position of the satellite signal, and completing the regeneration.
In the method for controlling semitransparent retransmission of satellite signals, in step S3, the drying processing mode includes bandpass filtering, signal mixing, high-frequency filtering and power amplification.
In the translucent repeating control method of a satellite signal according to the present invention, the step S5 further includes extracting a required reply time period in the satellite signal by the receiving device after decompression is completed, recovering the satellite signal before regeneration, replying by the receiving device if the receiving time period is within the required reply time period, and deleting the satellite signal if the receiving time period is outside the required reply time period.
In step S5, for the satellite signal beyond the reply time, the packed satellite signal is retransmitted again until the reply is received.
In the method for controlling semi-transparent forwarding of a satellite signal, in step (d), after the prefix and the translated required reply time period of the suffix are added to any position of the satellite signal at random, a mark which is easily recognized by a receiving device is added at the prefix.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A method for controlling semitransparent retransmission of satellite signals, comprising the steps of:
s1, acquiring GNSS signals of the global navigation satellite system, and judging the system to which the signals belong;
s2, filtering the received signals to filter out other wireless signals except the satellite signals and recording the satellite signal strength;
s3, performing drying processing on the signal received in the S2;
after the signals in S4 and S3 are processed, the signals are regenerated;
s5, packing the regenerated satellite signals, wherein the packing name is the regeneration completion time point, storing the satellite signals, forwarding the packed satellite signals, recording the sending time point, and recording the packing name and decompressing the satellite signals after the receiving device receives the signals;
the regeneration in S4 includes the following steps:
(a) amplifying the signal;
(b) filtering the amplified signals in the step (a), filtering noise in the amplified satellite signals, detecting the intensity of the satellite signals, and adjusting the intensity of the satellite signals through an intensity adjusting device to enable the intensity of the satellite signals to be smaller than the intensity of the satellite signals recorded in the step S2, so that excessive forwarding is avoided;
(c) adding a desired reply time period to the satellite signal in (b), translating the desired reply time period into the same form as the satellite signal, and then adding a prefix and a suffix to the translated desired reply time period so that the translated desired reply time period can be recognized by the receiving apparatus;
(d) randomly adding the prefix and postfix added required reply time periods to any position of the satellite signal, and completing the regeneration.
2. The method as claimed in claim 1, wherein the drying process in step S3 is selected from the group consisting of band pass filtering, signal mixing, high frequency filtering, and power amplification.
3. The translucent repeating control method of satellite signal according to claim 2, wherein said step S5 further comprises extracting a required reply time period in the satellite signal by the receiving device after decompression is completed, recovering the satellite signal before regeneration, replying by the receiving device if the receiving time period is within the required reply time period, and deleting the satellite signal if the receiving time period is outside the required reply time period.
4. The translucent repeating control method for satellite signals according to claim 3, wherein in step S5, for the satellite signals beyond the reply time end, the packed satellite signals are retransmitted again until the reply is received.
5. The translucent repeating control method of satellite signal according to claim 4, wherein said step (d) adds a mark easily recognized by the receiving device at the prefix after randomly adding the prefix and the translated required reply time period of the suffix to any position of the satellite signal.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4965586A (en) * | 1984-08-16 | 1990-10-23 | Geostar Corporation | Position determination and message transfer system employing satellites and stored terrain map |
| JPH10243460A (en) * | 1997-02-26 | 1998-09-11 | Toshiba Corp | Mobile communication system, radio controller and terminal equipment |
| US20040189515A1 (en) * | 2003-03-31 | 2004-09-30 | Giovanni Vannucci | Hybrid satellite based positioning system |
| RU68708U1 (en) * | 2007-08-08 | 2007-11-27 | Федеральное государственное унитарное предприятие "Российский научно-исследовательский институт космического приборостроения" | NAVIGATION RECEIVER OF THE GLOBAL NAVIGATION SATELLITE SYSTEM - ADDITION TO A PERSONAL COMPUTER |
| CN104113371A (en) * | 2014-07-23 | 2014-10-22 | 成都天奥信息科技有限公司 | Transmit type satellite monitoring simulating device and working and application method |
| US20150311927A1 (en) * | 2014-03-31 | 2015-10-29 | Hughes Network Systems, Llc | Multicarrier successive predistortion for digital transmission |
| CN107655475A (en) * | 2017-11-03 | 2018-02-02 | 河南思维轨道交通技术研究院有限公司 | Synchronization pulse acquisition methods, navigation data synchronization processing method and system |
| CN109444918A (en) * | 2018-10-24 | 2019-03-08 | 深圳大学 | Satellite-signal orients forwarding device |
| CN110221315A (en) * | 2019-06-27 | 2019-09-10 | Oppo广东移动通信有限公司 | Indoor locating system and method, terminal, trunking, electronic equipment |
-
2020
- 2020-06-29 CN CN202010604191.8A patent/CN111708051B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4965586A (en) * | 1984-08-16 | 1990-10-23 | Geostar Corporation | Position determination and message transfer system employing satellites and stored terrain map |
| JPH10243460A (en) * | 1997-02-26 | 1998-09-11 | Toshiba Corp | Mobile communication system, radio controller and terminal equipment |
| US20040189515A1 (en) * | 2003-03-31 | 2004-09-30 | Giovanni Vannucci | Hybrid satellite based positioning system |
| RU68708U1 (en) * | 2007-08-08 | 2007-11-27 | Федеральное государственное унитарное предприятие "Российский научно-исследовательский институт космического приборостроения" | NAVIGATION RECEIVER OF THE GLOBAL NAVIGATION SATELLITE SYSTEM - ADDITION TO A PERSONAL COMPUTER |
| US20150311927A1 (en) * | 2014-03-31 | 2015-10-29 | Hughes Network Systems, Llc | Multicarrier successive predistortion for digital transmission |
| CN104113371A (en) * | 2014-07-23 | 2014-10-22 | 成都天奥信息科技有限公司 | Transmit type satellite monitoring simulating device and working and application method |
| CN107655475A (en) * | 2017-11-03 | 2018-02-02 | 河南思维轨道交通技术研究院有限公司 | Synchronization pulse acquisition methods, navigation data synchronization processing method and system |
| CN109444918A (en) * | 2018-10-24 | 2019-03-08 | 深圳大学 | Satellite-signal orients forwarding device |
| CN110221315A (en) * | 2019-06-27 | 2019-09-10 | Oppo广东移动通信有限公司 | Indoor locating system and method, terminal, trunking, electronic equipment |
Non-Patent Citations (3)
| Title |
|---|
| RICCARDO ANDREOTTI ET AL.: ""Code-Shift-Keying (CSK) with Advanced FEC Coding for GNSS Applications in Satellite Multipath Channel"", 《2014 7TH ESA WORKSHOP ON SATELLITE NAVIGATION TECHNOLOGIES AND EUROPEAN WORKSHOP ON GNSS SIGNALS AND SIGNAL PROCESSING (NAVITEC)》, pages 1 - 8 * |
| 张歌凌等: "基于无线传感器网络的机器人", 《计算机测量与控制》, vol. 22, no. 6, pages 1963 - 1966 * |
| 林汝景: ""北斗卫星导航接收机抗窄带干扰技术研究"", 《电子测试》, no. 2, pages 40 - 42 * |
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