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A Low-Power FSK/Spatial Modulation Receiver for Short-Range mm-Wave Wireless Links

机译:用于短距离毫米波无线链路的低功率FSK /空间调制接收器

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Space-shift keying (SSK) or spatial modulation can provide increased energy-efficiency by using antennas/beam switching to transfer data. Such links are attractive at mm-wave due to small physical size and potential applications in slow-varying short-range channels. Low-power pulsed phased-array mm-wave TX has been demonstrated that maintains energy-efficiency while providing beam switching functionality. In this work, a two-element mm-wave FSK/SSK RX is presented that can concurrently demodulate FSK and SSK by using relative outputs of a two-element combiner to detect angle-of-incidence. A 65-nm CMOS 68 GHz 2-element RX prototype is packaged with aperture-coupled PCB antennas to demonstrate >2 Gb/s data rates while consuming <;30 mW across both elements. The first end-to-end CMOS SSK link using CMOS FSK-SSK TX and RX is demonstrated with 2 Gb/s data transfer across 6 cm in a reflective channel.
机译:通过使用天线/波束切换来传输数据,空移键控(SSK)或空间调制可以提高能源效率。由于物理尺寸小以及在缓慢变化的短距离信道中的潜在应用,此类链路在毫米波上很有吸引力。已经证明了低功率脉冲相控阵毫米波TX可以在保持能量效率的同时提供光束切换功能。在这项工作中,提出了一种两元素毫米波FSK / SSK RX,它可以通过使用两元素组合器的相对输出来检测入射角,从而同时解调FSK和SSK。 65纳米CMOS 68 GHz 2元素RX原型与孔径耦合PCB天线包装在一起,以证明> 2 Gb / s的数据速率,而两个元素的功耗均小于30毫瓦。展示了使用CMOS FSK-SSK TX和RX的第一条端到端CMOS SSK链路,在反射通道中以6厘米的速度传输2 Gb / s数据。

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