Title :
Beamsteering optimized by appropriate random phasing quantization methods
Author :
Shen, Wenhui ; Jiang, Wei ; Guo, YanChang ; Cao, Wei
Author_Institution :
Design Inst. of Posts & Telecommun., Shanghai, China
Abstract :
Beamsteering for a phased array is known to deviate from the desired pointing direction. This deviation occurs due to the use of digital phase shifters. In this correspondence, we develop the robust modification of the random phase quantization methods by means of appropriate random phasing quantization methods. For this purpose, the appropriate mean phase error equal-to-zero method (AMPEEZ), appropriate two probable value method (A2PV) and the appropriate phase-added method (APAM) are proposed.
Keywords :
antenna phased arrays; antenna radiation patterns; beam steering; optimisation; quantisation (signal); random processes; A2PV; AMPEEZ; APAM; appropriate mean phase error equal-to-zero; appropriate phase-added method; appropriate two probable value method; digital phase shifters; optimized beamsteering; phased array; pointing direction; random phase quantization methods; random phasing quantization methods; Apertures; Optimization methods; Phase shifters; Phased arrays; Planar arrays; Probability distribution; Quantization; Robustness; Taylor series;
Conference_Titel :
Antennas, Propagation and EM Theory, 2000. Proceedings. ISAPE 2000. 5th International Symposium on
Conference_Location :
Beijing, China
Print_ISBN :
0-7803-6377-9
DOI :
10.1109/ISAPE.2000.894818