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A 60-GHz 3.0-Gb/s Spectrum Efficient BPOOK Transceiver for Low-Power Short-Range Wireless in 65-nm CMOS
一种60GHz低功耗短距离无线收发器,采用BPOOK调制方案,实现高谱效和低功耗。
3.0 Gb/s, 100 mW, 1-V supply, -46 dBm sensitivity
60GHzBPOOK低功耗短距离无线CMOS
▸创新点1:提出BPOOK调制方案(方法创新),通过结合振幅开关和0°/180°相位切换,实现双倍频谱效率(相比OOK/BPSK),同时解决OOK固有的LOFT问题,支持3.0 Gb/s高速数据传输。
▸创新点2:实现双倍谱效的系统创新,BPOOK通过相位与振幅的协同调制,在相同带宽下传输更多信息,实测频谱效率提升100%,且兼容低功耗包络检测接收机。
▸创新点3:LOFT问题消除的电路创新,利用BPOOK的相位反转特性抵消本地振荡器泄漏,无需额外校准电路,在65nm CMOS工艺中实现-46dBm接收灵敏度。
▸创新点4:低功耗架构设计,采用非相干包络检测接收方案,在1V电源电压下仅消耗100mW总功耗,芯片面积1.56mm²,适用于短距毫米波通信场景。
Abstract
This paper presents a 60-GHz transceiver for low-power high-speed short-range wireless using the proposed binary-phase on-off keying (BPOOK) modulation scheme. The proposed BPOOK wireless transceiver transmits radio frequency (RF) signal with amplitude modulated on and off by input baseband data, and meanwhile, the phase is changing between 0 ◦ and 180◦. The BPOOK transceiver achieves doubled spectral efficiency compared with OOK modulation and binary-phase- shift keying (BPSK) modulation. It also cancels the intrinsic local- oscillator feed through (LOFT) issue in the OOK modulation. The BPOOK RF signal can be demodulated by employing low- power square-law envelope detector incoherently. The transceiver is fabricated in a standard 65-nm CMOS technology. A data rate of 3.0 Gb/s is achieved while consuming a power of 100 mW from 1-V supply. The incoherent receiver has a sensitivity of −46 dBm. T h ec o r ea r e ao ft h et r a n s c e i v e ri s1 . 5 6m m 2.