WO2000005741A1 - Recepteur numerique a canaux multiples pour systeme mondial de localisation - Google Patents
Recepteur numerique a canaux multiples pour systeme mondial de localisation Download PDFInfo
- Publication number
- WO2000005741A1 WO2000005741A1 PCT/RU1998/000230 RU9800230W WO0005741A1 WO 2000005741 A1 WO2000005741 A1 WO 2000005741A1 RU 9800230 W RU9800230 W RU 9800230W WO 0005741 A1 WO0005741 A1 WO 0005741A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- signal
- digital
- usτροysτvο
- vχοd
- gain
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/71—Interference-related aspects the interference being narrowband interference
-
- 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
- G01S19/13—Receivers
- G01S19/21—Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70715—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation with application-specific features
Definitions
- the pulse repetition rate of the modulating sequence is equal to 1.023 Hz for ⁇ and 0.511 Hz for GLSS, and the pulse transmission is - ms.
- P ⁇ imenenie ⁇ e ⁇ ni ⁇ i tsi ⁇ v ⁇ g ⁇ ⁇ iema and ⁇ elya- tion ⁇ d ⁇ bn ⁇ g ⁇ shi ⁇ l ⁇ sn ⁇ g ⁇ tsi ⁇ v ⁇ g ⁇ signal ⁇ zv ⁇ lyae ⁇ ⁇ su- sches ⁇ vlya ⁇ us ⁇ eshny ⁇ iem and de ⁇ di ⁇ vanie signal ⁇ chen mal ⁇ y am- ⁇ li ⁇ udy, na ⁇ dyascheg ⁇ sya znachi ⁇ eln ⁇ below u ⁇ vnya es ⁇ es ⁇ venny ⁇ ⁇ e ⁇ - l ⁇ vy ⁇ shum ⁇ v.
- the square components can accept the values +/- 1, +/- 2, +/- 3.
- ⁇ ⁇ -distance between the quantization attempts it is possible to get the necessary number of discreet signals that were found out in the other or other quantization interval.
- ⁇ is the dispersion of Gaussian noise. It is possible to take the optimal value of the amount of quantitative benefits from the point of view of minimizing the influence of a narrow margin.
- This channel includes a digitally controlled carrier generator, a quick generator of the quadratic phase counts, and also
- the process accepts a solution in the presence of a narrow error, evaluates its amplitude.
- This signal is before and after the DSP.
- ⁇ ⁇ + ⁇ , ⁇ - the power of the Gaussian noise, I - the power of the sinusoidal noise.
- ⁇ a, ⁇ a for a third-party CCP can be calculated from the following method:
- the density of the distribution of the amplitude of the input signal teil (s) is determined from the joint distribution of the amplitude of the 205 working Gaussian and sinusoidal:
- ⁇ is the "amplitude of the sine wave.
- the value ⁇ is calculated based on the values of the probability ⁇ :
- ⁇ / ⁇ it is possible to use the following simplified selection to dis- play noise emission ⁇ / ⁇ .
- ⁇ ig. 3 - a structured circuit of a digital switch, including a channel for the detection of a narrow room.
- ⁇ ig. 5 - a structured circuit of a channel of a digital receiver for the detection of a narrow case.
- Figure 1 is an illustrative material, demon- strating the importance of choosing a free access slot and the presence of a sinusoidal noise. ⁇ ig. 1 a) the desired 270 PSH signal is demon- strated. ⁇ ig. 1 b) - PShS together with a narrow utility.
- the gain factor is regulated by the process 13 ⁇ m with ⁇ m ⁇ shyu tsi ⁇ vy ⁇ signal ⁇ v, ⁇ e ⁇ b ⁇ az ⁇ vanny ⁇ in u ⁇ avlyayuschee na ⁇ yazhenie in tsi ⁇ -anal ⁇ g ⁇ v ⁇ m ⁇ e ⁇ b ⁇ az ⁇ va ⁇ ele (TS ⁇ P) 8.
- the counts of the block are counted by the process.
- the channel for the detection of a small share of the form will accept the accounts of the accumulators for distribution to the process 20.
- ⁇ ig. 4 provides the strict structure of the tracking channel.
- the right channel is selected in the input signal switch 21. mixed with the digital signal from the carrier 22 in the mixers 23, 24. There are no signals
- frequency generator cod 29 generates a pulsed sequence of pulses
- PSP 30 is used to enter the PSP 30 generatrix.
- a quick modulation is available with the unique accessory.
- the resultant result of the test is that it is connected to the input of the owner of the detached PSP 31, which is inactive for the monitoring of the non-essential one.
- the mode of searching for a host of an occupied SRP 31 will receive the previous and the last signal of a SRP.
- the operating modes of the channel are regulated with the help of the control panel of the channel 32, the input to the bus is connected via a bi-directional bus 37 to the process, and the output is disconnected from the bus, which is connected to the bus during operation.
- the carrier generates 22 frequencies for issuing a complete phase of the carrier frequency at the time of measurement during the process.
- a process is recorded in a generator that carries new frequency values. by setting the frequency tracking process.
- the generator at room 29 calculates the complete phase at the time of measurement to be issued to the unit and disposing of the unit.
- the process records in the generator the new values of the frequency of the code, adjusting the process of tracking the code.
- Generator PSP 30 contains 16 Programs that perform binocular and noise-free investigations, which can be counted and modified,
- 385 ⁇ ⁇ corresponds to outputs -1, 0, +1.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Noise Elimination (AREA)
- Circuits Of Receivers In General (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-7002967A KR100506198B1 (ko) | 1998-07-20 | 1998-07-20 | 지상 위치 탐색 시스템용의 다중 채널 디지털 수신기 |
PCT/RU1998/000230 WO2000005741A1 (fr) | 1998-07-20 | 1998-07-20 | Recepteur numerique a canaux multiples pour systeme mondial de localisation |
AU14475/99A AU754361B2 (en) | 1998-07-20 | 1998-07-20 | Multiple-channel digital receiver for global positioning system |
EP98958418A EP1061545B1 (en) | 1998-07-20 | 1998-07-20 | Multiple-channel digital receiver for global positioning system |
JP2000561639A JP4011854B2 (ja) | 1998-07-20 | 1998-07-20 | グローバル測位システムのためのマルチチャンネルディジタル受信機 |
CNB988092875A CN1156994C (zh) | 1998-07-20 | 1998-07-20 | 用于全球定位系统的多信道数字接收机 |
US09/508,936 US6816539B1 (en) | 1998-07-20 | 1998-07-20 | Multiple-channel digital receiver for global positioning system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/RU1998/000230 WO2000005741A1 (fr) | 1998-07-20 | 1998-07-20 | Recepteur numerique a canaux multiples pour systeme mondial de localisation |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000005741A1 true WO2000005741A1 (fr) | 2000-02-03 |
Family
ID=20130240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/RU1998/000230 WO2000005741A1 (fr) | 1998-07-20 | 1998-07-20 | Recepteur numerique a canaux multiples pour systeme mondial de localisation |
Country Status (7)
Country | Link |
---|---|
US (1) | US6816539B1 (ru) |
EP (1) | EP1061545B1 (ru) |
JP (1) | JP4011854B2 (ru) |
KR (1) | KR100506198B1 (ru) |
CN (1) | CN1156994C (ru) |
AU (1) | AU754361B2 (ru) |
WO (1) | WO2000005741A1 (ru) |
Cited By (1)
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CN113702804A (zh) * | 2021-07-26 | 2021-11-26 | 西安空间无线电技术研究所 | 一种多通道数字相关器中相关误差校正方法 |
Families Citing this family (34)
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JP3981899B2 (ja) * | 1998-02-26 | 2007-09-26 | ソニー株式会社 | 送信方法、送信装置及び受信装置 |
FI20010952A0 (fi) * | 2001-05-07 | 2001-05-07 | Nokia Corp | Signaalikomponenttien erottaminen radiojärjestelmän vastaanottimessa |
AUPR863401A0 (en) * | 2001-11-02 | 2001-11-29 | Qx Corporation Pty Ltd | A method & device for precision time-lock |
US6775605B2 (en) | 2001-11-29 | 2004-08-10 | Ford Global Technologies, Llc | Remote sensing based pre-crash threat assessment system |
FR2837638B1 (fr) | 2002-03-22 | 2006-07-14 | Thales Sa | Procede de traitement de signal en presence d'interferences |
US6757324B2 (en) * | 2002-07-18 | 2004-06-29 | Motorola, Inc. | Method and apparatus for detecting jamming signal |
CN100361399C (zh) * | 2005-02-04 | 2008-01-09 | 宁波日兴电子有限公司 | 调频无线传输室外音响系统 |
US7801481B2 (en) * | 2005-11-08 | 2010-09-21 | Navcom Technology, Inc. | Satellite navigation receiver signal processing architecture |
US7912158B2 (en) | 2005-11-08 | 2011-03-22 | Navcom Technology, Inc. | Sampling threshold and gain for satellite navigation receiver |
JP4186978B2 (ja) * | 2005-11-09 | 2008-11-26 | セイコーエプソン株式会社 | 測位装置、測位装置の制御方法、測位装置の制御プログラム、測位装置の制御プログラムを記録したコンピュータ読み取り可能な記録媒体 |
GB2436178A (en) * | 2006-03-13 | 2007-09-19 | Matsushita Electric Ind Co Ltd | A scheme to alleviate signal degradation caused by digital gain control loops. |
CN101051081B (zh) * | 2006-04-05 | 2011-02-09 | 中国科学院微电子研究所 | 一种可变增益的高灵敏度gps接收机基带频率跟踪方法 |
CN101101216B (zh) * | 2006-07-05 | 2010-05-12 | 中国农业大学 | 棉田喷药机导航路径识别方法 |
EP1901085B1 (en) * | 2006-09-12 | 2014-05-28 | u-blox AG | GNSS Receiver IC package |
CN101212779B (zh) * | 2006-12-31 | 2011-04-20 | 上海真灼电子技术有限公司 | 导游导览系统中信号交叉覆盖时的处理方法 |
FR2916589A1 (fr) * | 2007-05-25 | 2008-11-28 | Thales Sa | Controle automatique de gain asservi sur la densite de probabilite de puissance recue |
TW200925639A (en) * | 2007-12-14 | 2009-06-16 | Altek Corp | GPS module testing system capable of adjusting testing signal automatically |
CN101286757B (zh) * | 2008-04-10 | 2011-07-20 | 杭州国芯科技股份有限公司 | 相位跟踪的抗干扰方法及其装置 |
US8217833B2 (en) * | 2008-12-11 | 2012-07-10 | Hemisphere Gps Llc | GNSS superband ASIC with simultaneous multi-frequency down conversion |
KR100986753B1 (ko) | 2009-07-24 | 2010-10-08 | 엘아이지넥스원 주식회사 | 펄스 감지회로 및 그 방법 |
CN102004236B (zh) * | 2009-08-28 | 2012-12-26 | 上海伽利略导航有限公司 | Gps信号跟踪方法、跟踪通道环路及其调整方法 |
US8884818B1 (en) | 2010-01-25 | 2014-11-11 | Qualcomm Incorporated | Calibration and blanking in system simultaneously receiving GPS and GLONASS signals |
US8587477B2 (en) * | 2010-01-25 | 2013-11-19 | Qualcomm Incorporated | Analog front end for system simultaneously receiving GPS and GLONASS signals |
US8410979B2 (en) | 2010-01-25 | 2013-04-02 | Qualcomm Incorporated | Digital front end in system simultaneously receiving GPS and GLONASS signals |
CN102788983A (zh) * | 2010-05-31 | 2012-11-21 | 北京联星科通微电子技术有限公司 | Gps和glonass多信道并行信号追踪方法及相关器 |
US8681045B2 (en) | 2010-07-09 | 2014-03-25 | Intel Mobile Communications GmbH | Hybrid satellite positioning receiver |
WO2013090434A1 (en) * | 2011-12-13 | 2013-06-20 | Northrop Grumman Guidance And Electronics Company, Inc | Systems and methods for adaptive sample quantization |
EP2814197B1 (en) * | 2013-06-13 | 2017-10-18 | Airbus Defence and Space GmbH | Method for carrier-to-noise ratio estimation in GNSS receivers |
US9094392B1 (en) * | 2013-10-28 | 2015-07-28 | Rockwell Collins, Inc. | GNSS receiver autonomous signal authentication using signal stability analysis system and related method |
CN105099588B (zh) * | 2015-09-06 | 2017-08-29 | 南京航空航天大学 | 航空通信系统干扰传播信道模拟装置及方法 |
US10389464B2 (en) | 2016-04-28 | 2019-08-20 | Samsung Electronics Co., Ltd | System and method for improved data decoding, tracking, and other receiver functions in the presence of interference |
GB2567159B (en) * | 2017-10-03 | 2020-02-19 | Surewave Tech Limited | Signal Processing systems and methods |
FR3075975B1 (fr) * | 2017-12-21 | 2020-05-22 | Thales | Recepteur de signaux, en particulier de signaux gnss, comprenant un filtre de rejection d'interferences, et procede associe |
CN111399001B (zh) * | 2020-03-31 | 2022-05-06 | 和芯星通科技(北京)有限公司 | 一种处理宽带干扰方法和装置 |
Citations (3)
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---|---|---|---|---|
US3605018A (en) * | 1968-09-13 | 1971-09-14 | Sylvania Electric Prod | Interference suppression in a receiver by envelope variation modulation |
US4426712A (en) * | 1981-05-22 | 1984-01-17 | Massachusetts Institute Of Technology | Correlation system for global position receiver |
EP0440920A2 (en) * | 1990-02-07 | 1991-08-14 | Kokusai Denshin Denwa Kabushiki Kaisha | Interference detection and reduction |
Family Cites Families (1)
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US6133876A (en) * | 1998-03-23 | 2000-10-17 | Time Domain Corporation | System and method for position determination by impulse radio |
-
1998
- 1998-07-20 CN CNB988092875A patent/CN1156994C/zh not_active Expired - Fee Related
- 1998-07-20 US US09/508,936 patent/US6816539B1/en not_active Expired - Fee Related
- 1998-07-20 EP EP98958418A patent/EP1061545B1/en not_active Expired - Lifetime
- 1998-07-20 KR KR10-2000-7002967A patent/KR100506198B1/ko not_active IP Right Cessation
- 1998-07-20 WO PCT/RU1998/000230 patent/WO2000005741A1/ru active IP Right Grant
- 1998-07-20 JP JP2000561639A patent/JP4011854B2/ja not_active Expired - Fee Related
- 1998-07-20 AU AU14475/99A patent/AU754361B2/en not_active Ceased
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3605018A (en) * | 1968-09-13 | 1971-09-14 | Sylvania Electric Prod | Interference suppression in a receiver by envelope variation modulation |
US4426712A (en) * | 1981-05-22 | 1984-01-17 | Massachusetts Institute Of Technology | Correlation system for global position receiver |
EP0440920A2 (en) * | 1990-02-07 | 1991-08-14 | Kokusai Denshin Denwa Kabushiki Kaisha | Interference detection and reduction |
Non-Patent Citations (2)
Title |
---|
Radiotekhnicheskie Sistemy. Pod. Red., "(under edelorship)", JU. M. KAZARINOVA. MOSCOW. Vyschaya Shkola, 1990, page 44. * |
See also references of EP1061545A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113702804A (zh) * | 2021-07-26 | 2021-11-26 | 西安空间无线电技术研究所 | 一种多通道数字相关器中相关误差校正方法 |
CN113702804B (zh) * | 2021-07-26 | 2024-02-09 | 西安空间无线电技术研究所 | 一种多通道数字相关器中相关误差校正方法 |
Also Published As
Publication number | Publication date |
---|---|
US6816539B1 (en) | 2004-11-09 |
CN1270700A (zh) | 2000-10-18 |
KR20010030635A (ko) | 2001-04-16 |
EP1061545B1 (en) | 2006-10-04 |
JP4011854B2 (ja) | 2007-11-21 |
KR100506198B1 (ko) | 2005-08-08 |
JP2002521677A (ja) | 2002-07-16 |
CN1156994C (zh) | 2004-07-07 |
AU754361B2 (en) | 2002-11-14 |
EP1061545A1 (en) | 2000-12-20 |
EP1061545A4 (en) | 2005-07-06 |
AU1447599A (en) | 2000-02-14 |
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