Armagan Dascurcu, Sohail Ahasan, Ali Binaie, Kuei Jih Lu, A. Natarajan, H. Krishnaswamy
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A 60GHz Phased Array Transceiver Chipset in 45nm RF SOI Featuring Channel Aggregation Using HRM-Based Frequency Interleaving
Channel aggregation at mm-wave enables extremely high data rates, but necessitates high-speed data converters. This paper presents an alternative approach leveraging HRM-based frequency interleaving (FI), which relaxes the requirements on the data converters, reducing their power consumption and cost. The implemented 45nm RF SOI chipset includes 4-element 60GHz phased-array RX and TX chips, and 4-channel TX and RX baseband (BB) FI channelizer chips, which channelize 8GHz of bandwidth (BW) over 59–67 G Hz into 4 channels. Measured link results indicate that the BB FI channelizers and 60GHz phased array ICs together achieve sufficient SNDR in each channel to support 16-QAM and 64-QAM modulations over wide bandwidths, enabling wireless links at 32Gbps and beyond.
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