A Modulator-less Beam Steering Transmitter based on a revised DDS-PLL Phase Shifter Architecture

Journal of Communications Software and Systems

关键词: direct digital synthesizer (DDS);    phase-locked loop (PLL);    modulator-less;    beam steering;    polar transmitter;    low data rate communications;    Internet-of-Things (IoT);   

DOI  :  

来源: DOAJ

【 摘 要 】

This paper details the design and implementation of a modulator-less beam steering transmitter based on a revised DDS-PLL phase shifter architecture. The proposed topology targets low data rate communications for Internet-of-Things systems, and has been demonstrated using an FPGA evaluation board and a custom PCB with four PLLs centered at 2.453-GHz. Measured system performance for an experimental 32-kbps data rate achieved through a 16-PSK modulation scheme are discussed. The proposed architecture is frequency independent, can be used in multi-band devices and has the potential for being integrated as an RF System-on-Chip.

【 授权许可】

Unknown