Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2008-10-17
2011-10-25
Afshar, Kamran (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S433000, C455S432100, C455S067110, C455S435200, C370S332000
Reexamination Certificate
active
08045982
ABSTRACT:
A device detects a first signal on a channel that is one of a plurality of channels arranged in a first order on a list, with each channel being associated with a different site in a multi-site communication system. Upon detecting the first signal, the device attempts to measure and record signal strength of a signal at each channel on the list based on the first order beginning with the detected first signal, and selects as a home site the site associated with the channel having the signal with the highest recorded signal strength. The device rearranges the channels on the list into a second order based on the recorded signal strengths with the home site channel at the top. If necessary, the radio attempts to awaken its repeaters one after another based on the second order until a repeater is found to transmit a signal.
REFERENCES:
patent: 6185423 (2001-02-01), Brown et al.
patent: 7369869 (2008-05-01), Wiatrowski
patent: 2004/0033804 (2004-02-01), Binzel
patent: 2008/0014928 (2008-01-01), Chen
patent: 2008/0014934 (2008-01-01), Balasubramanian et al.
PCT International Search Report Dated Apr. 26, 2010.
Belmonte John P.
Chowdhary Dipendra M.
Chung Yueh Ching
Khoo Hun Weng
Wiatrowski David G.
Afshar Kamran
Davis Valerie M.
Lam Dung
Motorola Solutions, Inc.
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