发明名称 |
Estimation of the speed of a mobile device |
摘要 |
A mobile device configured to estimate the speed at which it is moving. The mobile device includes a timing component configured to perform a plurality of Doppler shift measurements on a timing signal received by the mobile device. The mobile device also includes a processing component configured to correlate the size of the range of the plurality of Doppler shift measurements to the speed at which the mobile device is moving.
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申请公布号 |
US7895013(B2) |
申请公布日期 |
2011.02.22 |
申请号 |
US20080050351 |
申请日期 |
2008.03.18 |
申请人 |
RESEARCH IN MOTION LIMITED |
发明人 |
DIETZ DAVID BLAINE;SANGARY NAGULA THARMA;SIMMONS SEAN BARTHOLOMEW |
分类号 |
G01P5/00 |
主分类号 |
G01P5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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