0:180| real-valued 1-by-Qrow vector Magnitude pattern (dB)—Magnitude of combined antenna radiation pattern zeros(181,361)(default) | real-valuedQ-by-Pmatrix | real-valuedQ-by-P-by-Larray Phase pattern (deg)—Custom antenna radiation phase pattern ...
However, both methods may suffer from performance degradation in presence of antenna array geometry error. To alleviate this problem, a novel algorithm is proposed in this paper. In contrast to previous works, the true desired signal steering vector is estimated by solving a new optimization ...
Antenna Theory HomeA steering vector represents the set of phase delays a plane wave experiences, evaluated at a set of array elements (antennas). The phases are specified with respect to an arbitrary origin. For instance, suppose a plane wave is described by a wave vector k. If there are...
The perturbations are modeled as additive random errors, following complex Gaussian multivariate distribution, to the antenna array steering vectors. Using outage probability, probability of error, and dynamic range of transmitter power as performance measures, we have shown significant effects of array ...
www.nature.com/scientificreports OPEN A dual-band high-gain beam steering antenna array for 5G sub- 6 GHz base station Salman Ilahi Siddiqui1, Shahid Bashir1, Awais Khan2, Salman Ghafoor3 & Imran Aziz4,5 An antenna array having a size of 45 × 40 cm2 (5.7 × 5 λ...
21.2 Steering Vector For each suspected target, a target steering vector must be computed. This target steering vector is formed by the cross product of the vector representing the Doppler frequency and the vector representing the antenna angle of elevation and azimuth. For simplicity, we will assu...
describes in his Lectures, by adding more antennas to the array and “some cleverness in spacing and phasing our antennas,” we can have a fairly narrow pattern null in a chosen direction. In the case of a GNSS antenna array, that direction might be that of a jamming signal and so we ...
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Rammal, "Smart antenna array patterns synthesis: Null steering and multi-user beamforming by phase control," Progr. Electromag. Res., PIER 60, pp. 95-106, 2006.M. Mouhamadou, P. Vaudon, M. Rammal, "Smart Antenna Pattern Synthesis: Null Steering and Multi-User Beam Forming By Phase ...
Amplitude and phase errors can cause mismatches between the hypothesized signal vector and the steering vector of an antenna array. A generalized likelihood ratio test (GLRT) for signal detection with multiple coherent processing intervals (CPIs) in unknown interference is derived. The detection performa...