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This paper presents a novel Doherty transmitter architecture based on antenna active load modulation (AALM) to improve the efficiency of array transmitters, where the conventional power combiner is substituted by an antenna array. Different from conventional Doherty architecture, the active load modulation is realized by the mutual coupling between the array elements. To verify the proposed architecture,...
This paper presents a novel Doherty transmitter architecture with antenna active load modulation (AALM) to improve the efficiency of array transmitters. In this paper, the conventional power combiner which limits the performance of Doherty power amplifier is removed, and two power amplifiers (PAs) are directly connected to antenna array. Unlike conventional Doherty architecture, the proposed Doherty...
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