Multiplex communications – Wide area network – Packet switching
Patent
1994-10-03
1996-05-07
Kizuo, Hassan
Multiplex communications
Wide area network
Packet switching
370 32, 370 40, 375285, 375296, 375346, 375349, 455 501, 455 523, 455 62, 455 63, 455 65, H04L 514
Patent
active
055153658
ABSTRACT:
A first transmitter (103) reduces an interference in a time division duplex (TDD) communication system (100). The first transmitter (103) alternates from a transmit state in which a first information signal (130) is transmitted to a standby state in which a residual signal (132) is transmitted. The first transmitter (103) includes a transmitter section (142) and a controller (141). The transmitter section (142 transmits the first information signal (130) and the residual signal (132). The transmitter section (142) includes a power amplifier (144) to amplify the first information signal (130) and the residual signal (132) to a power level; and an exciter (143) to control a carrier frequency of the first information signal (130) and the residual signal (132). The controller (141) is coupled to the power amplifier (144) and the exciter (143), for adjusting the power level and setting the carrier frequency.
REFERENCES:
patent: 4267592 (1981-05-01), Craiglow
patent: 5278994 (1994-01-01), Black et al.
patent: 5319799 (1994-06-01), Morita
patent: 5430761 (1995-07-01), Bruckert et al.
Dunkerton Stephen H.
Melton John R.
Sumner Terence E.
Kizuo Hassan
Lamb James A.
Motorola Inc.
Rao Seema S.
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