A Two-Channel Time Modulated Linear Array With Adaptive Beamforming

A Time modulated linear array (TMLA) can be configured to perform many of the functions of phased array antennas but at much lower cost as they do not require phase shifters. However, conventional time modulated linear arrays which are configured for beam steering based on a single output channel topology. Such a topology is inefficient in terms of time utilization of the array elements. In this contribution we have proposed a multiple output channels time modulated linear array which exploits the time redundancy of conventional systems. The concept is introduced by considering conventional harmonic beam steering and then extending the problem to two-channel adaptive beamforming.