Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2005-05-24
2005-05-24
Trost, William (Department: 2683)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S019000, C455S025000, C455S063400, C455S083000, C455S575700, C342S372000, C342S373000, C375S267000, C375S347000
Reexamination Certificate
active
06898442
ABSTRACT:
A wide-band array antenna using a single real-valued multiplier for each antenna element is simple in construction and suitable for wide-band code division multiple access (WCDMA) mobile communication systems. A rectangular array antenna is formed by N×M antenna elements. Each antenna element has a frequency dependent gain which is the same for all elements. Each antenna element is connected to said single real-valued multiplier with a single real-valued coefficient, which is determined by properly selecting a number of points on a u-v plane defined for simplifying the design procedure according to the selected design algorithm.
REFERENCES:
patent: 4321605 (1982-03-01), Lopez
patent: 5585803 (1996-12-01), Miura et al.
patent: 6075484 (2000-06-01), Daniel et al.
patent: 6252542 (2001-06-01), Sikina et al.
patent: 6519478 (2003-02-01), Scherzer et al.
Ewart James D
Maioli Jay H.
Sony Corporation
Trost William
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