Bit error rate reduction for circular ultrawideband antenna by dynamic differential evolution

Authors:
Min-Hui Ho;Chien-Ching Chiu;Shu-Han Liao
Affiliations:
Department of Electrical Engineering, Tamkang University, Tamsui, Taiwan, Republic of China;Department of Electrical Engineering, Tamkang University, Tamsui, Taiwan, Republic of China;Department of Electrical Engineering, Tamkang University, Tamsui, Taiwan, Republic of China
Venue:
International Journal of RF and Microwave Computer-Aided Engineering
Year:
2012

Citing 10
Cited 0

A GA-based optimization scheme for extracting the equivalent-circuit models of spiral inductors embedded in a multilayer structure: Research Articles

International Journal of RF and Microwave Computer-Aided Engineering - Bridging Between Microwave Engineering and Information Technologies—Part II
Design of optimum gain pyramidal horn with improved formulas using particle swarm optimization: Research Articles

International Journal of RF and Microwave Computer-Aided Engineering
Analysis of uniform circular arrays for adaptive beamforming applications using particle swarm optimization algorithm: Research Articles

International Journal of RF and Microwave Computer-Aided Engineering
Design of a linear array antenna for shaped beam using genetic algorithm

International Journal of RF and Microwave Computer-Aided Engineering
On the characterization of UWB antennas

International Journal of RF and Microwave Computer-Aided Engineering
A Novel Indoor UWB Antenna Array Design by GA

ICFCC '09 Proceedings of the 2009 International Conference on Future Computer and Communication
Channel capacity of multiple-input multiple-output ultra-wideband systems with single co-channel interference

International Journal of Communication Systems
Wideband smart antenna theory using rectangular array structures

IEEE Transactions on Signal Processing
Space-time codes for high data rate wireless communication: performance criterion and code construction

IEEE Transactions on Information Theory
Ultra wideband antenna

IEEE Communications Magazine

Quantified Score

Hi-index	0.00

Visualization

Abstract

The dynamic differential evolution (DDE) is used to synthesize the radiation pattern of the directional circular arc array to minimize the bit error rate (BER) performance in indoor ultrawideband (UWB) communication system. Using the impulse response of multipath channel, the BER performance of the synthesized antenna pattern on binary pulse amplitude modulation system can be calculated. Based on the topography of the circular antenna array and the BER formula, the array pattern synthesis problem can be reformulated into an optimization problem and solved by the DDE algorithm. The novelties of our approach are not only choosing BER as the object function instead of sidelobe level of the antenna pattern but also considering the antenna feed length effect of each array element. The strong point of the DDE algorithm is that it can find out the solution even if the performance index cannot be formulated by simple equations. Simulation results show that the synthesized antenna array pattern is effective to focus maximum gain to the line of site path which scales as the number of array elements. In other words, the receiver can increase the received signal energy to noise ratio. The synthesized array pattern also can mitigate severe multipath fading in complex propagation environment. As a result, the BER can be reduced substantially in indoor UWB communication system. © 2011 Wiley Periodicals, Inc. Int J RF and Microwave CAE, 2012. © 2012 Wiley Periodicals, Inc.