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As processor core counts increase, networks-on-chip (NoCs) are becoming an increasingly popular interconnec-tion fabric due to their ability to supply high bandwidth. However, NoCs need to deliver this high bandwidth at low latencies, while keeping within a tight power envelope. In this paper, we present a novel NoC with hybrid interconnect that leverages(More)
We describe a low-cost wearable system that tracks the location of individuals indoors using commonly available inertial navigation sensors fused with radio frequency identification (RFID) tags placed around the smart environment. While conventional pedestrian dead reckoning (PDR) calculated with an inertial measurement unit (IMU) is susceptible to sensor(More)
A 4Gb/s serial link tracking clock and data recovery (CDR) circuit fabricated in 0.24µm CMOS technology dissipates 84mW and occupies 0.3mm 2. The input signal is 2× oversampled by 8 offset-cancelled receive amplifiers per receive clock cycle. The samples are processed by a phase controller to position the receive clocks at the center and the edge of the(More)
A single channel, loop-unrolled, asynchronous successive approximation (SAR) ADC fabricated in 40nm CMOS is presented. Compared with a conventional SAR structure that exhibits significant delay in the digital feedback logic, the proposed 6b SAR-ADC employs a different comparator for each bit of conversion, with an asynchronous ripple clock generated after(More)
Carrierless impulse radio ultra-wideband (IR-UWB) radios have attracted significant research interest due to their low system complexity and power consumption. Unfortunately, IR-UWB systems suffer from the difficulty in controlling the transmitted spectral mask because of process, voltage, and temperature variations. In this paper, a monolithic 3-5-GHz(More)
(250‐word limit) The rapid scaling of microprocessors has shifted the critical bottleneck of high‐performance computing systems from the computational units to the communication infrastructure. By taking advantage of the parallelism and capacity of dense wavelength‐division‐multiplexed (DWDM) technology, optical interconnects using nanophotonics offer a(More)