Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2005-08-09
2009-06-09
Corsaro, Nick (Department: 2617)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S013300, C370S334000
Reexamination Certificate
active
07546146
ABSTRACT:
A control system and method for controlling switching between and among multiple antennas in a diversity antenna system comprising a radio head unit associated with a radio receiver; two or more antennas, either located in separate antenna modules or co-located in the same antenna module; a switch circuit; and a single cable. Control signals for controlling switching are provided as changes in a DC power supply signal carried on the single cable. In the case of multiple antenna modules, the radio head unit and the antenna modules are connected by the single cable using a daisy-chain architecture.
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Hsu Hui-Pin
Pasiecznik, Jr. John
Sievenpiper Daniel F.
Talty Timothy J.
Ajayi Joel
Corsaro Nick
GM Global Technology Operations Inc.
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