The Influence of RF Front-End Imperfections on Performance of a 220-260 GHz Tunable M-QAM Wireless Link in SiGe HBT Technology
2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)(2019)
摘要
This paper presents system-level characterization and performance evaluation for higher-order M-QAM modulation formats of a fully-electronic 1-m wireless link with two highly-integrated direct-conversion quadrature TX and RX modules in 0.13-μm SiGe HBT technology operating with a tunable 220-260 GHz LO carrier. With the limited baseband bandwidth of 15 GHz, the maximum achieved data rates for 16-/32-/64-QAM modulation are 90 Gbps (EVM of 14.6%), 90 Gbps (EVM of 11.9%) and 81 Gbps (EVM of 8.7%), respectively.
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关键词
RF front-end imperfections,higher-order M-QAM modulation formats,tunable M-QAM wireless link,HBT technology,highly-integrated direct-conversion quadrature TX modules,highly-integrated direct-conversion quadrature RX modules,frequency 220.0 GHz to 260.0 GHz,bandwidth 15.0 GHz,SiGe
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