KR20040045912A - 위성 위치 확인 시스템 신호를 개방 루프 트래킹하기 위한방법 - Google Patents
위성 위치 확인 시스템 신호를 개방 루프 트래킹하기 위한방법 Download PDFInfo
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- KR20040045912A KR20040045912A KR10-2004-7006016A KR20047006016A KR20040045912A KR 20040045912 A KR20040045912 A KR 20040045912A KR 20047006016 A KR20047006016 A KR 20047006016A KR 20040045912 A KR20040045912 A KR 20040045912A
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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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/0009—Transmission of position information to remote stations
- G01S5/0018—Transmission from mobile station to base station
- G01S5/0027—Transmission from mobile station to base station of actual mobile position, i.e. position determined on mobile
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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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/14—Determining absolute distances from a plurality of spaced points of known location
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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
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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
- G01S19/13—Receivers
- G01S19/23—Testing, monitoring, correcting or calibrating of receiver elements
- G01S19/235—Calibration of receiver components
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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
- G01S19/13—Receivers
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
- G01S19/29—Acquisition or tracking or demodulation of signals transmitted by the system carrier including Doppler, related
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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
- G01S19/13—Receivers
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
- G01S19/30—Acquisition or tracking or demodulation of signals transmitted by the system code related
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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
- G01S19/13—Receivers
- G01S19/35—Constructional details or hardware or software details of the signal processing chain
- G01S19/37—Hardware or software details of the signal processing chain
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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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/0009—Transmission of position information to remote stations
- G01S5/0018—Transmission from mobile station to base station
- G01S5/0036—Transmission from mobile station to base station of measured values, i.e. measurement on mobile and position calculation on base station
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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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/0009—Transmission of position information to remote stations
- G01S5/0045—Transmission from base station to mobile station
- G01S5/0054—Transmission from base station to mobile station of actual mobile position, i.e. position calculation on base station
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/273—Adaptation for carrying or wearing by persons or animals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/047—Automatic frequency control using an auxiliary signal, e.g. low frequency scanning of the locking range or superimposing a special signal on the input signal
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers
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- 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
- H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
- H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
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- 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
- H04B1/26—Circuits for superheterodyne receivers
- H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
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- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3805—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving with built-in auxiliary receivers
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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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- 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
- G01S19/10—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals
- G01S19/11—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals wherein the cooperating elements are pseudolites or satellite radio beacon positioning system signal repeaters
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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
- G01S19/13—Receivers
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
- G01S19/25—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS
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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
- G01S2205/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S2205/001—Transmission of position information to remote stations
- G01S2205/008—Transmission of position information to remote stations using a mobile telephone network
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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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/0009—Transmission of position information to remote stations
- G01S5/0045—Transmission from base station to mobile station
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2111—Location-sensitive, e.g. geographical location, GPS
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
- H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
- H03D7/163—Multiple-frequency-changing all the frequency changers being connected in cascade the local oscillations of at least two of the frequency changers being derived from a single oscillator
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
- H03J2200/11—Cellular receiver, e.g. GSM, combined with a GPS receiver
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- 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
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
Description
Claims (44)
- 위성 위치 확인 시스템 신호의 프로세싱 방법에 있어서,수신기에 의해 수신된 위성 위치 확인 시스템 신호 일부분의 프로세싱에 기초하여 3 이상의 지시자의 세트를 발생하는 단계로서, 각각의 지시자가 신호의 파라미터가 소정의 값과 동등할 확률을 지시하는 단계 ; 및상기 지시자 세트의 인터폴레이션으로부터 상기 파라미터의 측정값을 계산하는 단계를 포함하는 위성 위치 확인 시스템 신호의 프로세싱 방법.
- 제 1 항에 있어서,상기 파라미터는,도착 시간; 및캐리어 주파수 중의 하나인, 위성 위치 확인 시스템 신호의 프로세싱 방법.
- 제 1 항에 있어서,상기 지시자들 중의 하나는,시리얼 상관관계;정합 필터링;빠른 푸리에 변환; 및빠른 컨볼루션 중의 하나에 의해 발생되는 위성 위치 확인 시스템 신호의 프로세싱 방법.
- 제 1 항에 있어서,상기 측정값을 사용하여 위치를 계산하는 단계를 더 포함하는, 위성 위치 확인 시스템 신호의 프로세싱 방법.
- 제 1 항에 있어서,상기 측정값 및 하나 이상의 종래 측정값을 사용하여 위치를 계산하는 단계를 더 포함하는 위성 위치 확인 시스템 신호의 프로세싱 방법.
- 제 1 항에 있어서,결합된 측정값으로서 상기 측정값과 하나 이상의 종래 측정값을 결합하는 단계를 더 포함하는 위성 위치 확인 시스템 신호의 프로세싱 방법.
- 제 6 항에 있어서,상기 결합하는 단계는,최소-평균-제곱 필터링 (least-mean-square filtering);칼만 필터링 (Kalman filtering); 및메디안 필터링 (median filtering) 중의 하나를 포함하는, 위성 위치 확인 시스템 신호의 프로세싱 방법.
- 제 4 항에 있어서,결합된 위치로서 상기 위치와 하나 이상의 종래 위치를 결합하는 단계를 더 포함하는 위성 위치 확인 시스템 신호의 프로세싱 방법.
- 제 8 항에 있어서,상기 결합하는 단계는,최소-평균-제곱 필터링;칼만 필터링; 및메디안 필터링 중의 하나를 포함하는 위성 위치 확인 시스템 신호의 프로세싱 방법.
- 위성 위치 확인 시스템 신호의 프로세싱 방법에 있어서,수신기에 의해 수신된 위성 위치 확인 시스템 신호 일부분에 기초하여 3 이상의 지시자의 세트를 수신하는 단계로서, 상기 지시자 각각이 신호의 파라미터가 소정의 값과 동등할 확률을 지시하는 단계; 및지시자 세트의 인터폴레이션으로부터 파라미터의 측정값을 계산하는 단계를 포함하는 위성 위치 확인 시스템 신호의 프로세싱 방법.
- 위성 위치 확인 시스템 신호의 프로세싱 방법에 있어서,역확산 데이터를 생성하기 위해 위성 위치 확인 시스템 신호의 일 부분에 대하여 역확산 연산을 수행하는 단계;제 1 데이터를 생성하기 위해 상기 역확산 데이터에 비선형 연산을 수행하는 단계; 및상기 신호의 주파수 측정값을 생성하기 위하여 상기 제 1 데이터를 사용하여 개방 루프 주파수 측정값 연산을 수행하는 단계를 포함하는, 위성 위치 확인 시스템 신호의 프로세싱 방법.
- 제 11 항에 있어서,상기 역확산 연산은,시리얼 상관관계; 및정합 필터링 중의 하나를 포함하는 ,위성 위치 확인 시스템 신호의 프로세싱 방법.
- 제 11 항에 있어서,상기 개방 루프 주파수 측정값 연산은,스펙트럼 데이터를 생성하기 위하여 상기 제 1 데이터에 대한 스펙트럼 분석 연산을 수행하는 단계; 및상기 스펙트럼 데이터의 피크의 위치로부터 상기 신호의 주파수 측정값을 계산하는 단계를 포함하는, 위성 위치 확인 시스템 신호의 프로세싱 방법.
- 제 13 항에 있어서,상기 비선형 연산은 제곱 연산을 포함하는, 위성 위치 확인 시스템 신호의 프로세싱 방법.
- 제 11 항에 있어서,상기 개방 루프 주파수 측정값 연산은,평균화된 데이터를 생성하기 위해 상기 제 1 데이터에 대한 평균화 연산을 수행하는 단계;상기 평균화된 데이터의 각 (angle) 을 계산하는 단계; 및상기 각을 이용하여 상기 신호의 주파수 측정값을 계산하는 단계를 포함하는, 위성 위치 확인 시스템 신호의 프로세싱 방법.
- 제 15 항에 있어서,상기 비선형 연산은 제곱 연산을 포함하는, 위성 위치 확인 시스템 신호의 프로세싱 방법.
- 제 15 항에 있어서,상기 비선형 연산은 상기 역확산 데이터의 제 1 버전과 상기 역확산 데이터의 제 2 버전을 곱하는 단계를 포함하는, 위성 위치 확인 시스템 신호의 프로세싱방법.
- 제 17 항에 있어서,상기 역확산 데이터의 제 1 버전은 역확산 데이터에 적용되는 공액 연산을 포함하는 연산에 의해 생성되는, 위성 위치 확인 시스템 신호의 프로세싱 방법.
- 제 17 항에 있어서,상기 역확산 데이터의 제 2 버전은 역확산 데이터에 적용되는 지연 연산 및 공액 연산을 포함하는 연산에 의해 생성되는, 위성 위치 확인 시스템 신호의 프로세싱 방법.
- 위성 위치 확인 시스템 신호의 프로세싱 방법에 있어서,역확산 데이터를 생성하기 위하여 위성 위치 확인 시스템 신호의 일 부분에 대하여 역확산 연산을 수행하는 단계;신호의 파라미터의 제 1 측정값을 생성하기 위하여 역확산 데이터에 제 1 개방 루프 측정값 연산을 수행하는 단계;상기 제 1 측정값에 기초하여 측정값 윈도우를 결정하는 단계; 및신호의 파라미터의 제 2 측정값을 생성하기 위하여 상기 역확산 데이터에 대한 제 2 개방 루프 측정값 연산을 수행하는 단계를 포함하고,상기 제 2 측정값은 상기 측정값 윈도우를 사용하여 컨스트레인 (constrain)되는, 위성 위치 확인 시스템 신호의 프로세싱 방법.
- 제 20 항에 있어서,상기 파라미터는,도착 시간;캐리어 주파수; 및위상 중의 하나인, 위성 위치 확인 시스템 신호의 프로세싱 방법.
- 위성 위치 확인 시스템 신호의 수신기에 있어서,상기 수신기는,안테나와 커플링되어 위성 위치 확인 시스템 신호를 수신하도록 구성된 제 1 회로; 및제 1 회로와 커플링된 제 2 회로를 포함하고,상기 제 2 회로는 상기 제 1 회로에 의해 수신되는 위성 위치 확인 시스템 신호의 부분을 프로세싱하는 것에 기초하여 3 이상의 지시자 세트를 발생하도록 구성되고,상기 지시자 각각은 신호의 파라미터가 소정의 값과 동등할 확률을 지시하며,상기 제 2 회로는 지시자 세트의 인터폴레이션으로부터 파라미터의 측정값을 계산하도록 구성된, 위성 위치 확인 시스템 신호의 수신기.
- 제 22 항에 있어서,상기 제 1 회로 및 상기 제 2 회로는 단일한 통합 회로를 포함하는, 위성 위치 확인 시스템 신호의 수신기.
- 제 22 항에 있어서,상기 제 2 회로는,지시자들을 저장하도록 구성된 메모리; 및상기 메모리에 커플링된 프로그램 디지털 신호 프로세서를 포함하고,상기 프로그램 디지털 신호 프로세서는 상기 지시자들을 발생하고 상기 측정값을 계산하도록 구성된, 위성 위치 확인 시스템 신호의 수신기.
- 제 22 항에 있어서,상기 파라미터는,도착 시간; 및캐리어 주파수 중의 적어도 하나인, 위성 위치 확인 시스템 신호의 수신기.
- 제 22 항에 있어서,상기 제 2 회로는,시리얼 상관관계;정합 필터링;빠른 푸리에 변환; 및빠른 컨볼루션 중의 하나를 사용하여 지시자들 중의 적어도 하나를 발생하도록 구성된, 위성 위치 확인 시스템 신호의 수신기.
- 제 22 항에 있어서,상기 제 2 회로는 상기 측정값을 사용하여 위치를 계산하도록 구성된 위성 위치 확인 시스템 신호의 수신기.
- 제 22 항에 있어서,상기 제 2 회로는 상기 측정값 및 하나 이상의 종래 측정값을 사용하여 위치를 계산하도록 구성된, 위성 위치 확인 시스템 신호의 수신기.
- 제 22 항에 있어서,상기 제 2 회로는 상기 측정값과 하나 이상의 종래 측정값을 결합된 측정값으로 결합하도록 구성된 위성 위치 확인 시스템 신호의 수신기.
- 제 28 항에 있어서,상기 제 2 회로는 상기 위치와 하나 이상의 종래 위치를 결합된 위치로 결합하도록 구성된, 위성 위치 확인 시스템 신호의 수신기
- 위성 위치 확인 시스템 신호의 수신기에 있어서,안테나와 커플링되어 위성 위치 확인 시스템 신호를 수신하도록 구성된 제 1 회로;상기 제 1 회로에 커플링 되어 있는 제 2 회로서, 상기 제 1 회로에 의해 수신된 위성 위치 확인 시스템 신호 일부분의 프로세싱에 기초하여 3 이상의 지시자의 세트를 발생하고, 상기 지시자 각각은 신호의 파라미터가 소정의 값과 동등할 확률을 지시하도록 구성되어 있는, 제 2 회로; 및상기 제 2 회로와 커플링되어 있는 제 3 회로를 포함하고, 상기 제 3 회로는안테나와 커플링되어 상기 제 2 회로부터 수신된 지시자 세트를 기지국으로 통신하도록 구성된 제 3 회로를 포함하는, 위성 위치 확인 시스템 신호의 수신기.
- 위성 위치 확인 시스템 관련 신호를 프로세싱하는 기지국에 있어서,상기 기지국은,안테나에 커플링되어 위성 위치 확인 시스템 신호의 수신기로부터 3 이상의 지시자의 세트를 수신하고, 상기 지시자 각각은 위성 위치 확인 시스템 신호의 파라미터가 소정의 값과 동등할 확률을 지시하도록 구성된 제 1 회로; 및상기 제 1 회로에 커플링 되어 있는 제 2 회로를 포함하고, 상기 제 2 회로는 지시자의 세트의 인터폴레이션으로부터 파라미터의 측정값을 계산하도록 구성된 기지국.
- 위성 위치 확인 시스템 신호의 수신기에 의해 실행될 때 수신기가 방법을 수행하도록 하는 실행 지시를 포함하는 기계 판독가능 매체로서,상기 방법은,수신기에 의해 수신된 위성 위치 확인 시스템 신호의 일부분에 기초하여 3 이상의 지시자의 세트를 발생하는 단계로서, 상기 지시자 각각은 신호의 파라미터가 소정의 값과 동등할 확률을 지시하는 단계; 및상기 지시자 세트의 인터폴레이션으로부터 파라미터의 측정값을 계산하는 단계를 포함하는, 기계 판독가능 매체.
- 위성 위치 확인 시스템 신호의 수신기에 있어서,상기 수신기는,안테나와 커플링되어 위성 위치 확인 시스템 신호를 수신하도록 구성된 제 1 회로로서, 역확산 데이터를 생성하기 위하여 위성 위치 확인 시스템 신호의 일 부분에 대한 역확산 연산을 수행하도록 구성된 제 1 회로;상기 제 1 회로와 커플링된 제 2 회로로서, 제 1 데이터를 생성하기 위하여 상기 제 1 회로에 의해 제공되는 역확산 데이터에 대한 비선형 연산을 수행하도록 구성된 제 2 회로; 및상기 제 2 회로와 커플링된 제 3 회로로서, 신호의 주파수 측정값을 생성하도기 위하여 상기 제 2 회로에 의해 제공된 상기 제 1 데이터를 사용하여 개방 루프 주파수 측정값 연산을 수행하도록 구성된 제 3 회로를 포함하는 수신기.
- 제 34 항에 있어서,상기 역확산 연산은시리얼 상관관계; 및정합 필터링 중의 하나를 포함하는 수신기.
- 제 34 항에 있어서,상기 개방 루프 주파수 측정값 연산은,스펙트럼 데이터를 생성하기 위하여 제 1 데이터에 대한 스펙트럼 분석 연산을 수행하는 단계; 및스펙트럼 데이터의 피크의 위치로부터 신호의 주파수 측정값을 계산하는 단계를 포함하는 수신기.
- 제 36 항에 있어서,상기 비선형 연산은 제곱 연산을 포함하는 수신기.
- 제 34 항에 있어서,상기 개방 루프 주파수 측정값 연산은,평균화된 데이터를 생성하기 위하여 제 1 데이터에 대한 평균화 연산을 수행하는 단계;평균화된 데이터의 각을 계산하는 단계; 및상기 각을 사용하여 신호의 주파수 측정값을 계산하는 단계를 포함하는 수신기.
- 제 38 항에 있어서,상기 비선형 연산은 제곱 연산을 포함하는 수신기.
- 제 38 항에 있어서,상기 비선형 연산은 역확산 데이터의 제 1 버전과 역확산 데이터의 제 2 버전을 곱하는 단계를 포함하는 수신기.
- 제 40 항에 있어서,상기 역확산 데이터의 제 1 버전은 역확산 데이터에 적용되는 공액 연산을 포함하는 연산에 의해 생성되는 수신기.
- 제 40 항에 있어서,상기 역확산 데이터의 제 2 버전은 역확산 데이터에 적용되는 지연 연산 및 공액 연산을 포함하는 연산에 의해 생성되는 수신기.
- 위성 위치 확인 시스템 신호의 수신기에 의해 실행될 때 수신기가 위성 위치 확인 시스템 신호 프로세싱하는 방법을 수행하도록 하는 실행 지시를 포함하는 기계 판독가능 매체로서,상기 방법은,역확산 데이터를 생성하기 위하여 위성 위치 확인 신호의 일 부분에 대하여 역확산 연산을 수행하는 단계;신호의 파라미터의 제 1 측정값을 생성하기 위하여 역확산 데이터에 제 1 개방 루프 측정값 연산을 수행하는 단계;상기 제 1 측정값에 기초하여 측정값 윈도우를 결정하는 단계; 및신호의 파라미터의 제 2 측정값을 생성하기 위하여 상기 역확산 데이터에 대한 제 2 개방 루프 측정값 연산을 수행하는 단계를 포함하고,상기 제 2 측정값은 상기 측정값 윈도우를 사용하여 컨스트레인 (constrain) 되는 매체.
- 제 43 항에 있어서,상기 파라미터는,도착 시간;캐리어 주파수; 및위상 중의 하나인 매체.
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PCT/US2002/033932 WO2003036322A2 (en) | 2001-10-22 | 2002-10-16 | Method for open loop tracking gps signals |
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