Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2007-07-31
2007-07-31
Nguyen, Duc M. (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S405000
Reexamination Certificate
active
11387638
ABSTRACT:
A base station (110) in a wireless communications network (100) counts mobile stations (114) receiving broadcast content via multi-user channel. The base station broadcasts (608) a repeating message identifying at least one broadcast content stream and, for each stream, a REGISTER (R) or DO NOT REGISTER (DNR) indicator. Mobile stations periodically re-examine (722) contents of this message. When the indicator is R for a broadcast content stream, mobile stations whose users have elected to receive it send (714) the base station a registration message for that stream. When the number of registered mobile stations reaches (612) a prescribed number, the base station changes (614) the indicator to DNR. When the indicator is DNR for a broadcast content stream, mobile stations refrain (712/716) from sending any registration message for that broadcast content stream. The base station may institute a recount (618) by resetting the indicator to R.
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Casaccia Lorenzo
Grilli Francesco
Brown Charles D.
Huynh Chuck
Kim W. Chris
Nguyen Duc M.
Qualcomm Incorporated
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