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US 2009/0245220 A1Published application
Random access channel preamble
AssigneeInterDigital Technology Corporation
InventorsStephen G. Dick, Charles Dennean, Eldad Zeira, Jung-Lin Pan, Sung-Hyuk Shin, Ariela Zeira
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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.
Claims7
A code division multiple access (CDMA) subscriber unit comprising:
- a receiver;
- circuitry configured to select one out of sixteen preamble signatures;
- circuitry configured to generate a code based on the selected preamble signature and to phase rotate the code to generate a processed preamble signature signal, wherein the processed preamble signature signal is used in processing a CDMA random access channel (RACH) signal;
- a transmitter configured to transmit the RACH signal.
1 more element
Dependencies are inferred from the claim text.