Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2007-07-17
2007-07-17
Gesesse, Tilahun (Department: 2684)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C455S416000, C455S518000
Reexamination Certificate
active
09516135
ABSTRACT:
In accordance with the preferred embodiment of the present invention all remote units (113–118) participating in a group call can actively transmit uplink communications to their respective base stations (101–102) via low-data rate traffic channels (103–108). The remote units having the highest transmit energies are summed and broadcast to all remote units (113–118) participating in the group call. Because only those remote units having the highest transmit energies are summed and broadcast, network congestion is greatly reduced.
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Cai Hechun
Comroe Richard A
Meng Chunyang
Pan Shao-Wei
Zhang Jinzhong
Gesesse Tilahun
Haas Kenneth A.
May Steven A.
Motorola Inc.
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