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Distributed video coding (DVC) provides a different compression paradigm that consists of lightweight encoder and complex decoder. This compression paradigm shed a light for nowadays mobile devices which equipped with limited battery and computing resources while the corresponding multimedia service is backed up by cloud computing infrastructures. After years of developing, the coding performance...
The IEEE 802.15.4 standard is designed to achieve low-power transmissions in low-rate and short-distance wireless personal area networks (WPANs). For the sake of reducing the control overheads, the modified CSMA/CA protocol used by 802.15.4 does not have the hidden device protection mechanism, such as RTS/CTS mechanism. Previous studies indicated that the probability of any two devices in an infrastructure...
Low supply voltage is a commonly method for suppressing system power consumption and thermal effects, improving battery life and chip reliability for mobile SoC and 3D-IC devices. This paper describes various mainstream and emerging embedded non-volatile memory (eNVM) solutions for mobile SoC and 3D-IC designs. This study also reviews and discusses the key circuit technologies for decreasing the VDDmin...
In probabilistic location estimation, Kalman filters, particle filters, and hidden Markov model (HMM) schemes are commonly used. Among those, HMM-based algorithms have the best performance. However, there is still room for improvement. In this paper, we propose two distributed cooperative location estimation algorithms, D-COOLEST1 and D-COOLEST2, for HMM-based location estimation. The users are designed...
IEEE 802.15.4 standard is designed to achieve low-power transmissions in low-rate and short-distance wireless personal area networks (WPANs). For the sake of reducing the control overheads, the modified CSMA/CA protocol used by 802.15.4 does not have the hidden device protection mechanism, such as RTS/CTS mechanism. Previous studies indicate that the probability of any two devices in a infrastructure...
Voltage-dependent timing skews in precharge and sensing activities cause functional failure and reduce the speed of asynchronous SRAM. Data-dependent bitline leakage current further increases the timing skews and reduces the yield of asynchronous SRAM. A dual-mode self-timed (DMST) technique is developed for asynchronous SRAM to eliminate the timing-skew-induced failures and speed overhead across...
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