Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Patent
1995-03-23
1997-08-12
Bost, Dwayne D.
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
455422, H04Q 722
Patent
active
056573740
ABSTRACT:
A method of communicating a plurality of two-way inbound/outbound cellular telephone transmissions between a base station and a physically remote cell using a set of channels. At the base station, a plurality of outbound telephone transmissions, received from a network, are analog modulated onto respective ones of RF analog outbound channel carriers. The modulated analog channel carriers are combined to form a single RF analog outbound signal representing all of the outbound telephone transmissions in the set of channels. The analog outbound combined signal is subsequently digitized into a single stream of outbound digital samples and transmitted to the remote cell. At the remote cell, the stream of digital samples is converted back to the RF analog outbound combined signal and broadcasted directly to mobile units in the cell. Further, the remote cell receives a plurality of simultaneous inbound telephone transmissions from the mobile units as an RF analog inbound combined signal. The analog inbound combined signal is digitized into a single stream of inbound digital samples and transmitted to the base station. At the base station, the stream of inbound digital samples is converted into a single RF analog inbound signal, the inbound telephone transmissions are recovered from the single RF analog inbound signal, and delivered to the network.
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Fischer Larry G.
Russell David S.
Wala Philip M.
ADC Telecommunications Inc.
Bost Dwayne D.
Oehling G. J.
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