Telecommunications – Transmitter and receiver at same station – With transmitter-receiver switching or interaction prevention
Reexamination Certificate
2011-06-07
2011-06-07
Yun, Eugene (Department: 2618)
Telecommunications
Transmitter and receiver at same station
With transmitter-receiver switching or interaction prevention
C455S522000, C370S276000
Reexamination Certificate
active
07957702
ABSTRACT:
A transceiver is operated in a cellular communications system, wherein the transceiver has a variable transmitter output power that spans a range of power levels comprising a low-power domain and a high-power domain. Operation includes determining whether the transmitter output power of the transceiver is in the low-power domain or the high-power domain. If the transmitter output power of the transceiver is in the low-power domain, then transceiver operation is initiated in a full-duplex mode in which transmitted and received signals pass through a duplexer associated with a transceiver antenna. If the transmitter output power of the transceiver is in the high-power domain, then transceiver operation is initiated in a half-duplex mode and bypassing the duplexer.
REFERENCES:
patent: 6480553 (2002-11-01), Ho et al.
Camp William
Haartsen Jacobus Cornelis
Potomac Patent Group PLLC
Yun Eugene
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