Patents Examined by Ashkey L Shivers
  • Random access channel preamble
    Patent number: 8036180
    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.
    Type: Grant
    Filed: April 27, 2009
    Date of Patent: October 11, 2011
    Assignee: InterDigital Technology Corporation
    Inventors: Stephen G. Dick, Charles A. Dennean, Eldad M. Zeira, Jung-Lin Pan, Sung-Hyuk Shin, Ariela Zeira