Uplink timing control signal
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United States of America Patent
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Apr 30, 2013
Grant Date -
Jan 17, 2008
app pub date -
Jul 14, 2006
filing date -
Jul 14, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
The claimed subject matter relates to systems and methodologies for synchronizing timing between a base station and a wireless terminal. For example, a set of non-contiguous tones may be assigned to the terminal, and may be equally spaced apart from each other across a spectrum of all available tones. A set of contiguous tones may also be assigned to the terminal, which may transmit a timing control signal during a specified transmit time. A base station may receive the signal, which comprises information related to the non-contiguous and contiguous tone sets, and may determine a distance of the terminal to the base station based on measured and anticipated arrival time of the signal. The base station may transmit a timing correction command signal to the terminal based on such information.
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