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1. 发明授权

US5619211A Position locating and communication system using multiple satellite constellations 失效
标题翻译：使用多个卫星星座的位置定位和通信系统
公开(公告)号：US5619211A
公开(公告)日：1997-04-08
申请号：US341244
申请日：1994-11-17
申请人： Philip R. Horkin , Stephen C. Ma , Isaac N. Durboraw, III , George W. Muncaster
发明人： Philip R. Horkin , Stephen C. Ma , Isaac N. Durboraw, III , George W. Muncaster
IPC分类号： G01S19/38 , H04B7/185 , G01S5/02
CPC分类号： H04B7/1855 , H04B7/18508 , H04B7/18554
摘要： A communication and position locating system (2) suitable for air traffic control is described. Multiple satellites (40) are provided in two geosynchronous constellations. One constellation (e.g., 4 satellites) has a first closed ground track (14). The other (e.g., 2 satellites (161, 182)) has a different ground track (18) or is geostationary, located outside of the first ground track (14). Geolocation information is transmitted by the satellites (40) to aircraft (28) and ground stations (26) so that aircraft (28) can determine their current position. A pseudo range correction map is provided to the aircraft (28) by the base stations (26) to permit differential geolocation measurements. The satellites (40) include communication transceivers (80) so that aircraft (28) can communicate voice and data to other aircraft (28) and to the ground stations (26, 30, 32) and automatically report their position to air traffic control centers (30), e.g., via the satellites (40). High positional accuracy over large geographic areas is obtained.
摘要翻译：描述适用于空中交通管制的通信和位置定位系统（2）。在两个地球同步星座中提供了多个卫星（40）。一个星座（例如，4颗卫星）具有第一封闭的地面轨道（14）。另一个（例如，2个卫星（161,182））具有不同的地面轨道（18）或位于第一地面轨道（14）外的地球静止轨道。卫星（40）将地理位置信息传输到飞机（28）和地面站（26），以使飞机（28）能够确定其当前位置。由基站（26）向飞行器（28）提供伪距校正图，以允许差分地理位置测量。卫星（40）包括通信收发器（80），使得飞机（28）可以将语音和数据传送到其他飞行器（28）和地面站（26,30,32），并自动将其位置报告给空中交通管制中心（30），例如经由卫星（40）。获得了大地理区域的高位置精度。

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