Date: 16 Oct 2013

Low-Power 60-GHz CMOS Radios for Miniature Wireless Sensor Network Applications

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This chapter discusses several design considerations for low-power 60-GHz complementary metal-oxide semiconductor (CMOS) radios for wireless sensor network applications at the cubic-mm scale. A background study is provided first, followed by a discussion of challenges to provide a practical scope of the hardware design for the readers. Finally, a compact 60-GHz CMOS transmitter with on-chip frequency-locked loop is presented as an example. This transmitter utilizes the on-chip patch antenna as both a radiator and a frequency reference. This eliminates the bulky off-chip crystal, is FCC compliant, and ensures the node transmits at the antenna’s peak efficiency point, making this a cost-effective 60-GHz radio for mm-scale sensor nodes.