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Wireless Networks-on-Chip (WiNoCs) offer unprecedented advantages to replace the long-distance multi-hop communication bottlenecks of conventional NoCs by augmenting them with a single hop, long-range wireless links in many-core systems. In wireless interfaces (WIs), RF transceiver components are consuming a significant amount of total power budgets to replace the multi-hop communications. Specifically,...
Conventional decision feedback equalizers (DFEs) suffer from the fundamental drawback of shrinking rather than increasing data eyes when consecutive 1s or 0s are present in data. To combat this drawback, a new data-transition adaptive DFE is proposed. The proposed DFE takes into account the dependence of post-cursors on the polarity of data and searches for optimal tap coefficients using a sign-sign...
This paper presents an overview of high speed ADCs for wireline applications. In the first part of the paper, the need for an ADC-based wireline link is justified, which is then followed by a discussion on the architecture of an ADC-based transceiver. We conclude this paper by discussing the challenges and trade-offs of designing high speed ADCs for wireline applications.
Substrate computing refers to a paradigm where sensing, computing, communications, energy scavenging and energy storage functions are seamlessly integrated within a substrate. The substrate could be a part of an aircraft wing or a chassis of the car and the computing, communications and energy scavenging functions could be implemented using self-powered devices embedded inside the substrate. In this...
A fully integrated low-power 2.4GHz ZigBee transceiver with inductor-less RF front-end implemented in 180nm CMOS technology is demonstrated. The proposed double push-pull LNA collaborates with a current-mode down-converter to provide wideband low-noise reception, as well as the out-of-band blocker resilience. A sliding frequency synthesizer (FS) with low-frequency running VCO is employed to provide...
This paper presents a new approach to approximate various complex arithmetic functions for applications in wideband RF transceivers by using stochastic computing based on the piecewise linear (PWL) approximation. The optimized design parameters for PWL approximation are chosen by an optimization algorithm targeting the best tradeoff between hardware complexity and approximation accuracy. Then, this...
In this work the design and integration of 60 GHz monolithic microwave integrated circuit (MMIC) transceiver using 0.15 um Gallium Nitride (GaN) Qorvo process that will support the Wireless Gigabit Alliance (WiGig)/802.11ad radio specifications will be presented. The wideband GaN Power Amplifier (PA) can operate at 60–65 GHz with output power of 27 dBm and large signal gain of 23.5 dB. The wideband...
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