Title :
A 24-GHz Automotive Radar Transmitter with Digital Beam Steering in 130-nm CMOS
Author :
Wernehag, Johan ; Sjöland, Henrik
Author_Institution :
Dept. of Electroscience, Lund Univ.
Abstract :
In this paper simulations of a 130-nm CMOS 24-GHz automotive radar transmitter with digital beam steering is presented. The beam steering is performed by multiple PAs connected to separate antenna elements. The output phases of the PAs are individually controllable through 360deg by binary weighting of quadrature phases. The circuit contains 18 PAs, each delivering 0 dBm to the antenna, resulting in a combined output power of 13 dBm. The 18 element antenna array will at 24 GHz be 11 cm, and have a directivity of 12 dB and a half power beam width of 5 degrees
Keywords :
CMOS integrated circuits; MMIC power amplifiers; beam steering; microwave antenna arrays; radar transmitters; road vehicle radar; 130 nm; 24 GHz; CMOS technology; antenna arrays; automotive radar transmitter; binary weighting; digital beam steering; power amplifiers; Automotive engineering; Beam steering; CMOS technology; Frequency; Injuries; Power generation; Radar antennas; Telecommunication standards; Transmitters; Vehicles;
Conference_Titel :
Research in Microelectronics and Electronics 2006, Ph. D.
Conference_Location :
Otranto
Print_ISBN :
1-4244-0157-7
DOI :
10.1109/RME.2006.1689998
