Tuesday, October 11, 2011 9:21:41 PM
Dick , et al. October 11, 2011
Random access channel preamble
Abstract
One out of sixteen preamble signatures is selected. A code is produced based on the selected preamble signature. The produced code is phase rotated to produce a processed preamble signature signal. The processed preamble signature signal is used in processing the CDMA RACH signal and the CDMA RACH signal is used to access a CDMA system.
Inventors: Dick; Stephen G. (Nesconset, NY), Dennean; Charles A. (Melville, NY), Zeira; Eldad M. (Huntington, NY), Pan; Jung-Lin (Smithtown, NY), Shin; Sung-Hyuk (Northvale, NJ), Zeira; Ariela (Huntington, NY)
Assignee: InterDigital Technology Corporation (Wilmington, DE)
Appl. No.: 12/430,414
Filed: April 27, 2009
Related U.S. Patent Documents
Application Number Filing Date Patent Number Issue Date
11305283 Dec., 2005 7529210
09868209
PCT/US99/29504 Dec., 1999
60129177 Apr., 1999
60125418 Mar., 1999
60116284 Jan., 1999
60112299 Dec., 1998
Current U.S. Class: 370/335 ; 370/342; 370/441
Current International Class: H04B 7/216 (20060101)
PPP
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