NxN multiple-input multiple-output transceiver

Details NxN multiple-input multiple-output transceiver NxN multiple-input multiple-output transceiver

2006-10-05

2010-12-07

Fan, Chieh M (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C455S073000, C455S147000, C455S208000

Reexamination Certificate

active

07848435

ABSTRACT:
An N×N multiple-input multiple-output (MIMO) transceiver is provided. The transceiver includes a plurality of transceivers, each including at least one transceiver circuit; an oscillation unit which is configured to generate a differential signal which is supplied to the at least one transceiver circuit; a plurality of buffers, which are mounted in a bypass line between the at least one transceiver circuit and the oscillation unit and are configured to amplify and bypass the differential signal or input and amplify the differential signal; and a buffer control unit which is configured to control the plurality of buffers to bypass or input the differential signal.

REFERENCES:
patent: 2003/0203743 (2003-10-01), Sugar et al.
patent: 2004/0106441 (2004-06-01), Kazakevich et al.
patent: 2005/0064892 (2005-03-01), Cavin
patent: 2006/0063494 (2006-03-01), Zhang et al.
patent: 2006/0109927 (2006-05-01), Magee et al.
Rogers, J.W.M, Dai, F.F, Cavin, M.S, Rahn, D.G, “A multiband ΔΣfractional-N frequency synthesizer for a MIMO WLAN transceiver RFIC”, Solid-State Circuits, IEEE Journal, Mar. 2005.

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