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This paper presents 64-quadrature amplitude modulation (QAM) 60-GHz CMOS transceivers with four-channel bonding capability, which can be categorized into a one-stream transceiver and a two-stream frequency-interleaved (FI) transceiver. The transceivers are both fabricated in a standard 65-nm CMOS technology. For the proposed one-stream transceiver, the TX-to-RX error vector magnitude (EVM) is less...
A low-power and small-area 60-GHz CMOS transmitter with oscillator pulling mitigation is presented. The subharmonic injection locking technique for the suppression of pulling effects is analyzed and demonstrated. The transmitter fabricated in a 65nm CMOS process achieves 7.04-Gb/s data rate with an EVM performance of −25 dB in 16QAM. The whole transmitter consumes 210 mW from a 1.2-V supply and occupies...
This paper presents a 56Gb/s 16-QAM 65nm CMOS transceiver using a W-band carrier. Two wideband IF signals are up- and downconverted simultaneously with 68GHz and 102GHz carriers. The transceiver achieves 56Gb/s data-rate with TX-to-RX EVM of −16.5dB within 0.1m distance. The transceiver consumes 260mW and 300mW from a 1V supply in TX and RX modes, respectively. This results in 10pJ/bit efficiency,...
It is predicted that the required wireless communication capacity will become 1000 times higher every 10 years. Many wireless standards are under discussion to satisfy the unprecedented capacity requirement. For example, the IEEE802.11ay standard is targeting over 100Gb/s data-rate by using the 60GHz band. Unfortunately, the channel bandwidth of 2.16GHz for the 60GHz band is not wide enough to realize...
The research of 60GHz CMOS transceivers has bloomed due to their capability of achieving low-cost multi-Gb/s short-range wireless communications [1]. Considering practical use of the 60GHz CMOS transceivers, longer operation lifetime with high output power is preferred to provide reliable products. Unfortunately, as indicated in [2], the output power capability of the transmitter will gradually degrade...
This paper presents a digitally-calibrated 60-GHz direct-conversion transceiver. To improve the error vector magnitude (EVM) performance over the wide bandwidth, a digital calibration technique is applied. The 60-GHz transceiver implemented by 65 nm CMOS achieves the maximum data rates of 20 Gb/s in 16QAM mode. The transmitter and receiver consume 351 mW 238 mW from 1.2V supply, respectively. As a...
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