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United States of America Patent

PATENT NO 6256301
SERIAL NO

09173572

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A mobile station accesses a base station by randomly selecting a first reverse link common control channel from a set of random access channels. The mobile station transmits a request portion of an access probe over the first reverse link common control channel. The request portion is subject to collision with other signals. The request portion comprises a hash identification which is derived from a uniquely identifying number using a hash function. The hash identification quasi-uniquely identifies the mobile station. The mobile station receives a channel assignment message from the base station designating the hash identification and a reserved access channel. The reserved access channel provides communication with a low probability of contention. The mobile station transmits a message portion of the access probe over the reserved access channel.

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Patent Owner(s)

Patent OwnerAddress
QUALCOMM INCORPORATED A CORPORATION OF DELAWARE5775 MOREHOUSE DRIVE SAN DIEGO CA 92121-1714

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Howard, Steven J Ashaland, MA 126 11709
Tiedemann, Jr Edward G San Diego, CA 188 10591
Wallace, Mark S Bedford, MA 127 8715
Walton, Rod Westford, MA 1 61

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