Title :
A Sparse Ka-Band Digital Beamforming Integrated Receiver Array
Author :
Goshi, Darren S. ; Leong, Kevin M K H ; Houshmand, Bijan ; Itoh, Tatsuo
Author_Institution :
Dept. of Electr. Eng., California Univ., Los Angeles, CA
Abstract :
Digital beamforming smart antennas offer additional flexibility and precision within the digital domain in terms of beam control, source detection and calibration over conventional analog systems. With the continuous advancement in digital technology, specifically with the size and speed of analog to digital converters and FPGAs, the digital transceiver will persist to spread widely in use. We develop an 8-element sparse array design and implement it into Ka-band digital beamforming receiver architecture. The sparse design is briefly described. The array is realized in integrated planar microstrip circuitry with active MMIC surface mount die chips. Pattern synthesis and data recovery are demonstrated to validate its performance as a digital beamforming system
Keywords :
MMIC; adaptive antenna arrays; microstrip circuits; radio receivers; surface mount technology; Ka-band digital beamforming; MMIC surface mount die chips; beam control; digital domain; digital transceiver; integrated planar microstrip circuitry; integrated receiver array; smart antennas; sparse array design; Antenna arrays; Array signal processing; Calibration; Circuits; Costs; Genetic algorithms; Hardware; Microstrip antenna arrays; Phased arrays; Radio frequency; Digital beamforming; genetic algorithm; phased arrays; sparse arrays; thinned arrays;
Conference_Titel :
Microwave Symposium Digest, 2006. IEEE MTT-S International
Conference_Location :
San Francisco, CA
Print_ISBN :
0-7803-9541-7
Electronic_ISBN :
0149-645X
DOI :
10.1109/MWSYM.2006.249591
