Apparatus for detecting uplink ranging codes in a wireless communication system
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United States of America Patent
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Nov 23, 2010
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app pub date -
Feb 26, 2007
filing date -
Oct 24, 2006
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Abstract
An apparatus for detecting uplink ranging codes includes a first transform unit for transforming data received from a mobile station to generate first outputs; a cross-correlation unit for comparing the first outputs with possible ranging codes to generate second outputs; a screening unit for selectively passing the second outputs representing parts of the received data that match the possible ranging codes; a second transform unit for transforming the second outputs from the screening unit to generate third outputs; and a detection unit for detecting the ranging codes for the received data based on the third outputs.
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