CN1147193C - 用于辅助全球定位系统协议的方法 - Google Patents
用于辅助全球定位系统协议的方法 Download PDFInfo
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- CN1147193C CN1147193C CNB001329847A CN00132984A CN1147193C CN 1147193 C CN1147193 C CN 1147193C CN B001329847 A CNB001329847 A CN B001329847A CN 00132984 A CN00132984 A CN 00132984A CN 1147193 C CN1147193 C CN 1147193C
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Images
Classifications
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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
-
- 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
- G01S19/05—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data
-
- 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
- G01S19/07—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing data for correcting measured positioning data, e.g. DGPS [differential GPS] or ionosphere corrections
- G01S19/071—DGPS corrections
-
- 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
- G01S19/258—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS relating to the satellite constellation, e.g. almanac, ephemeris data, lists of satellites in view
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Mobile Radio Communication Systems (AREA)
- Navigation (AREA)
- Telephonic Communication Services (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
Description
纬度 | 原始历书更新的SV(%) | 2小时增量更新历书的SV(%) | 4小时增量更新历书的SV(%) | 6小时增量更新历书的SV(%) | 8小时增量更新历书的SV(%) | 各SV的总原始历书更新 |
60度 | 100% | 85% | 50% | 无 | 无 | 1.68×原始历书位 |
30度 | 100% | 90% | 70% | 30% | 无 | 1.95×原始历书位 |
15度 | 100% | 95% | 80% | 30% | 15% | 2.10×原始历书位 |
赤道 | 100% | 97% | 85% | 65% | 35% | 2.41×原始历书位 |
参数 | 说明 | 单位 |
SV ID | 卫星ID | |
SV health | 正常说明 |
URA | 用户测距精度 | |
TGD | 对群延迟的校正 | 秒 |
toc | 可使用时钟校正数据的时间 | 秒 |
af0 | 零级时钟校正 | 秒 |
af1 | 第一级时钟校正系数 | 秒/秒 |
af2 | 第二级时钟校正系数 | 秒/秒2 |
Crs | 径向校正系数 | 米 |
Δn | 对平均运动的校正 | 半圆/秒 |
M0 | 平均近点角 | 半圆 |
Cuc | 升交距角校正系数 | 弧度 |
E | 偏心率 | |
Cus | 升交距角校正系数 | 弧度 |
(A)1/2 | 半长轴平方根 | 米1/2 |
toe | 历书的可使用时间 | 秒 |
Cic | 倾斜校正系数 | 弧度 |
Ω0 | 标称经度升交点 | 半圆 |
CIs | 倾角校正系数 | 弧度 |
i0 | 标称倾角 | 半圆 |
Crc | 径向校正系数 | 半圆/秒 |
ω | 近地点幅角 | 半圆 |
Ωdot | 赤经的变化率 | 半圆/秒 |
idot | 倾斜的变化率、 | 半圆/秒 |
参数 | 说明 | 发送参数 |
N sats | 出现校正数据的卫星数目 | 每消息一次 |
Time | 校正数据有效的GPS时间(秒) | 每消息一次 |
UDRE SF | 精度预估器的比例因数 | 每消息一次 |
UDRE | 用户微分测距误差(精度预测器,米) | 每消息一次 |
SVID | 应用校正数据的GPS卫星 | 对各卫星 |
Corr SF | 校正数据的比例因数 | 对各卫星 |
IODE | 应用校正数据的历书发布 | 对各卫星 |
PRC | 伪距校正(米) | 对各卫星 |
RRC | 距变率校正(米/秒) | 对各卫星 |
参数 | 说明 | 发送参数 |
N sats | 出现校正数据的卫星数目 | 每消息一次 |
Time | 校正数据有效的GPS时间(秒) | 每消息一次 |
UDRE SF | 精度预估器的比例因数 | 每消息一次 |
SVID | 应用校正数据的GPS卫星 | 每消息一次 |
Corr SF | 校正数据的比例因数 | 每消息一次 |
Current IODE | 校正数据应用的当前历书发布 | 每个SVID一次 |
PRC-PRCavg | 压缩的伪距校正(米) | 每个SVID一次 |
RRC-PRCavg | 压缩的测距率校正(米/秒) | 每个SVID一次 |
N_prev | 以前IODE校正值的数目 | 每个SVID一次 |
ΔPRC | PRC校正值的差值(米) | 每个N_prev一次 |
参数 | 说明 |
t0 | 第一位置和速度数据集的可用时间(秒) |
Δt | 数据集之间的间隔时间(分钟) |
N_sats | 位置和速度数据跟踪的GPS卫星的数目 |
SVID | 该位置和速度数据集的ID |
X0 | t时刻的ECEF X位置分量(米) |
Y0 | t时刻的ECEF Y位置分量(米) |
Z0 | t时刻的ECEF Z位置分量(米) |
X_dot0 | t时刻的ECEF X速度分量(米/秒) |
Y_dot0 | t时刻的ECEF Y速度分量(米/秒) |
Z_dot0 | t时刻的ECEF Z速度分量(米/秒) |
X1 | t+Δt时的ECEF X位置分量(米) |
Y1 | t+Δt时的ECEF Y位置分量(米) |
Z1 | t+Δt时的ECEF Z位置分量(米) |
X_dot1 | t+Δt时的ECEF X速度分量(米/秒) |
Y_dot1 | t+Δt时的ECEF Y速度分量(米/秒) |
Z_dot1 | t+Δt时的ECEF Z速度分量(米/秒) |
纬度 | 利用原始历书更新的SV的历书的更新数(%) | 利用其后的历书更新的SV的历书的更新数(%) | 各SV的总的原等效更新 |
60度 | 100% | 无 | 1.0×原始历书位数 |
30度 | 100% | 无 | 1.0×原始历书位数 |
15度 | 100% | 17% | 1.17×原始历书位数 |
赤道 | 100% | 33% | 1.33×原始历书位数 |
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/438,204 | 1999-11-12 | ||
US09/438,204 US6313787B1 (en) | 1999-11-12 | 1999-11-12 | Method and apparatus for assisted GPS protocol |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1296367A CN1296367A (zh) | 2001-05-23 |
CN1147193C true CN1147193C (zh) | 2004-04-21 |
Family
ID=23739679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB001329847A Expired - Lifetime CN1147193C (zh) | 1999-11-12 | 2000-11-13 | 用于辅助全球定位系统协议的方法 |
Country Status (12)
Country | Link |
---|---|
US (1) | US6313787B1 (zh) |
JP (1) | JP2001208825A (zh) |
KR (1) | KR100357409B1 (zh) |
CN (1) | CN1147193C (zh) |
AR (1) | AR027884A1 (zh) |
AU (1) | AU756506B2 (zh) |
CA (1) | CA2325231A1 (zh) |
DE (1) | DE10054764B4 (zh) |
ES (1) | ES2179755B1 (zh) |
GB (1) | GB2358976B (zh) |
IT (1) | IT1316006B1 (zh) |
MX (1) | MXPA00011101A (zh) |
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1999
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AU7154900A (en) | 2001-05-17 |
CN1296367A (zh) | 2001-05-23 |
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