A comparison of interior point and active set methods for FPGA implementation of model predictive control

MSK Lau, SP Yue, KV Ling… - 2009 European Control …, 2009 - ieeexplore.ieee.org
A key component of model predictive control (MPC) is the solving of quadratic programming
(QP) problems. Interior point method (IPM) and active set method (ASM) are the most …

Energy-aware probabilistic multiplier: Design and analysis

MSK Lau, KV Ling, YC Chu - … of the 2009 international conference on …, 2009 - dl.acm.org
Probabilistic CMOS is considered to be a promising technology for substantial energy savings
for computing devices, such as DSPs and graphics chips. The basic principle is to relax …

Epidemiologic features and clinical course of patients infected with SARS-CoV-2 in Singapore

…, J Loh, OT Ng, K Marimuthu, LW Ang, TM Mak, SK Lau… - Jama, 2020 - jamanetwork.com
Importance Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) emerged in
Wuhan, China, in December 2019 and has spread globally with sustained human-to-human …

Modeling of probabilistic ripple-carry adders

MSK Lau, KV Ling, YC Chu… - 2010 Fifth IEEE …, 2010 - ieeexplore.ieee.org
This paper proposes a mathematical model for probabilistic ripple-carry adders. The model
gives explicit expressions for calculating error probabilities of sum and carry bits. The …

A more precise model of noise based PCMOS errors

A Bhanu, MSK Lau, KV Ling… - 2010 Fifth IEEE …, 2010 - ieeexplore.ieee.org
In this paper we present a new model for characterization of probabilistic gates. While still
not mainstream, probabilistic CMOS has the potential to dramatically reduce energy …

Equal power allocation of IDMA systems: Feasibility, optimality, and throughput

MSK Lau, W Yue, L Ping - IEEE transactions on wireless …, 2009 - ieeexplore.ieee.org
Equal power allocation (EPA) has been truly successful when applied in IS-95 CDMA. It is
therefore worthwhile to see whether EPA is also applicable in IDMA systems, which can be …

A general mathematical model of probabilistic ripple-carry adders

MSK Lau, KV Ling, YC Chu… - 2010 Design, Automation …, 2010 - ieeexplore.ieee.org
Probabilistic CMOS is considered a promising technology for future generations of computing
devices. By embracing possibly incorrect calculations, the technology makes it possible to …

A linear zero-one formulation of optimal power allocation of IDMA systems

MSK Lau, W Yue - 2007 International Conference on Wireless …, 2007 - ieeexplore.ieee.org
Transmitted-power allocation (TPA) is vital for minimizing power consumption and managing
interference in interleave-division multiple access (IDMA) systems. Conventionally, …

Optimality and feasibility of equal power allocation of IDMA systems

MSK Lau, W Yue - … on Modeling and Optimization in Mobile, Ad …, 2007 - ieeexplore.ieee.org
Interleave-division multiple access (IDMA) is a recently developed multiple access technique
for wireless communications. A power allocation problem of IDMA is to find a power vector (…

A smoothing method of global optimization that preserves global minima

MSK Lau, CP Kwong - Journal of Global Optimization, 2006 - Springer
A new smoothing method of global optimization is proposed in the present paper, which
prevents shifting of global minima. In this method, smoothed functions are solutions of a heat …