Radio receiver

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail

Reexamination Certificate

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Details

C455S277100

Reexamination Certificate

active

11080495

ABSTRACT:
In a radio receiver according to the present invention, an N:1 multiplexer multiplexes N signals received through N receiver antennas into one output, and a downconverter downconverts the combined signals into baseband signals, and two1:N analog demultiplexers demultiplex the N combined and downconverted received signals into in-phase signal elements of N received signals and quadrature-phase signal elements of N received signals.

REFERENCES:
patent: 4580289 (1986-04-01), Enderby
patent: 5832375 (1998-11-01), Leisten et al.
patent: 6252548 (2001-06-01), Jeon
patent: 6351502 (2002-02-01), Zargari
patent: 6477148 (2002-11-01), Gardenfors et al.
patent: 6728517 (2004-04-01), Sugar et al.
patent: 2003/0002604 (2003-01-01), Fifield et al.
patent: 2004/0017785 (2004-01-01), Zelst
patent: 2007/0121768 (2007-05-01), Rooyen
Dodds, “Sampling and Pulse Amplitude Modulation”, University of Saskatchewan, Canada, http://www.engr.usask.ca/classes/EE/352/2005/Ch/Ch4-PAM-04h04.pdf (2005).

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