Apparatus and method for performing ranging in a communication system
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United States of America Patent
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Nov 15, 2011
Grant Date -
Mar 8, 2007
app pub date -
Sep 5, 2006
filing date -
Sep 2, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A ranging apparatus in a communication system is provided. A terminal generates a ranging code for ranging with a base station, maps the ranging code to at least one sub-carrier so the ranging code is repeated in a time domain, generates a ranging signal so the mapped ranging code has a size of one symbol interval, and transmits the generated ranging signal to the base station. The base station receives a ranging signal, extracts a half signal of a valid symbol interval of the ranging signal, generates a valid symbol interval signal by repeating the extracted half signal of the valid symbol interval, restores a ranging signal using the valid symbol interval signal, and performs ranging using the ranging signal.
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