Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2003-09-24
2008-10-14
Maung, Nay (Department: 2618)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S562100, C455S575700
Reexamination Certificate
active
07437166
ABSTRACT:
A radio base station includes multiple antennas associated with a cell. Multiple mobile radios are selected to receive transmissions over a shared radio channel during a predetermined time interval. Information is transmitted over the shared radio channel to multiple mobile radios in the cell during the predetermined time interval using multiple antenna beams. As a result, interference from the transmission appears as white additive Gaussian noise in time and in space in the cell. A “flashlight effect” caused by a single beam transmission over the shared channel during a predetermined time interval that would normally detrimentally impact mobile channel quality detection is avoided. Other methods for avoiding the flashlight effect are described.
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Ericson Marten
Logothetis Andrew
Osseiran Afif
Maung Nay
Nguyen Tuan H
Nixon & Vanderhye P.C.
Telefonaktiebolaget LM Ericsson (publ)
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