Method and apparatus for estimating speed of a mobile terminal
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United States of America Patent
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Aug 15, 2017
Grant Date -
Sep 4, 2014
app pub date -
Nov 5, 2012
filing date -
Nov 4, 2011
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Abstract
Systems, devices and techniques for wireless communications include receiving a plurality of wireless transmissions over an observation period from a transmitter of a mobile terminal, calculating a plurality of frequency offset values based on the received plurality of wireless transmissions and estimating a speed value based on the plurality frequency offset values. In some implementations, the speed value is determined as a function of a computed frequency offset measurement error. Implementations can be made to include estimating channel characteristics in communication between a base station and the mobile terminal based on the estimated speed and optimizing a property in communications with the mobile terminal based on the estimated channel characteristics. In some implementations, the property can include a modulation scheme or scheduling of transmissions for communications between the base station and the mobile terminal.
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