[PDF] Top 20 Semi-Virtual Antenna Array Beamforming Method

... of antenna array beamforming, a semi-virtual antenna array beamforming method is proposed based on covariance matrix ...and virtual array ... See full document

... the antenna array eavesdropper channel [4, 5], orthogonal frequency division multiplexing (OFDM) wiretap channel [6–8], and relay cooperative eavesdropping channel [9–11] can all get ef- fective secrecy ... See full document

... novel method has been presented for antenna array broadband beamforming using 2-D circular antenna arrays under the spatial information ...random array sensor position errors, ... See full document

... the beamforming and MIMO techniques to a mobile handset with limited available space, we propose a new approach in this paper that uses the beamforming technique for transmitting and the MIMO technique for ... See full document

... [1].This antenna is designed to operate at frequencies chosen to be inside the ...PAFESTE antenna is simpler than the design of the proposed configura- tions in [1] [7] according to two ...smart ... See full document

... adaptive beamforming algorithm x(t) is received signal by multiple array antenna with multiply respective weight ...coefficient. Array antenna structure L is number of filter used; ... See full document

... wideband beamforming, a real-time delay line is required instead of a conventional antenna element phase ...analog method, the real-time delay line is usually achieved by the waveguide or coaxial ... See full document

... Abstract—This paper proposes a fast Minimum-Variance-Distortionless-Response (MVDR) beam- forming algorithm for an antenna array for cancellation of multiple interference signals. The proposed algorithm ... See full document

... a semi-finite phased-array antenna of antipodal Vivaldi elements as illustrated in ...The array consists of 8 equally-fed elements on one substrate in the finite direction and up to 256 active ... See full document

... Adaptive beamforming is a method for receiving the interested signal of specific direction while suppressing the jamming signals of other directions through an array of ...the array output ... See full document

... linear array (ULA), when conformal array with a small radius of curvature is used for adaptive signal processing or beamforming, some important problems must be ...conformal array has “shadow ... See full document

... Generally, both the genetic algorithm (GA) and differential evolution (DE) can be used to optimize the design of amplitude and phase. In this study, since the broadcast beamforming does not need to be real-time ... See full document

... The design of the DBF Receiver can be divided into four main components: RF Modulation Stage, Digital down Conversion stage, Complex Weight Multiplication stage, and the Summation stage. The first stage of the DBF ... See full document

... individual antenna outputs this system offers enhanced linearity, because the outputs of the four high linearity amplifiers are power combined by the second Butler ... See full document

... The array antenna is realized by arranging all the patch elements, feed circuits and the double-balanced multiplier upon both sides of a Teflon glass fiber ...proposed array antenna. ... See full document

... Figure 3 shows the synthesis result. The optimized pattern is in agreement with the full wave simulation results. The tiny difference is caused by the neglect of the small differences between the active element patterns in ... See full document

... multiband antenna which can operate on many ...called array [7]. Various performance parameters of the antenna like scanning the beam of an antenna system, directivity and gain are improved by ... See full document

... diverse beamforming techniques ...of beamforming procedure actualized and the execution correlation was made based on nulls area, gain and Half Power Beam ...fixed beamforming while as LMS and RLS ... See full document

... Smart antenna systems are capable of efficiently utilizing the radio spectrum and promise an effective solution to the present wireless system problems while achieving reliable and robust high speed high-data-rate ... See full document

... synthesis method for a broadband array antenna using the particle swarm optimization (PSO) and cubic spline interpolation ...the array antenna operates in a wide frequency band (200–400 ... See full document