Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1996-09-26
1998-07-14
Bost, Dwayne
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455 111, 455 15, 455517, H04Q 720
Patent
active
057818592
ABSTRACT:
An RF repeater arrangement for use in a wireless telephone system has a number of handset interface parts, each provided with a transmit section for transmitting a signal to a wireless telephone handset, a receive section for receiving an off-air signal from the wireless handset and an energy detector for detecting the energy level of the received off-air signal and providing a control signal corresponding to such energy level. The control signal is employed for inhibiting the transmit section when the energy level of the received off-air signal is below a predetermined value. Thus, each handset interface part can determine when a channel is occupied and avoid transmission on that channel, so that only the geographic area around the occupied handset is subject to interference from the occupied channel.
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patent: 4719619 (1988-01-01), Crookshanks
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patent: 5321736 (1994-06-01), Beasley
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Bost Dwayne
Maung Nay
PCS Solutions, LLC
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