Micro architecture level low power design for microprocessors

... Introduction Power dissipation is becoming a crucial design constraint for modern microprocessors This thesis investigates low power design schemes at the micro- architecture level to reduce power dissipation ... to reduce power dissipation induced by these sources in microprocessors In Chapter 3, firstly, the motivation for our micro- architecture level low-...

Ngày tải lên: 11/09/2015, 16:05

... 0 0 1 0 0 1 0 (AB) (A=B) 4.2 Low Power Design 4.2.1 Low Power Design at Circuit Level 4.2.1.1 Purpose This level will implement designs (Design_ 1 and Design_ 2) of the 1-bit magnitude comparator ... with low VDD and low VT, benefiting from both low power dissipation (due to low VDD) and high switching speed (due to low Vt) In the stand-by mode, however, a lower subst...

Ngày tải lên: 26/08/2015, 16:25

... popular and widely-used over the past few years One reason for the widespread adoption is their usability such as a transformation to a graphical interface The ability for such a transformation has ... diode leakage, gate leakage and other smaller leakage components With such a short channel length, the subthreshold (source/drain) 27 CHAPTER THE ARITHMETIC AND LOGIC UNI...

Ngày tải lên: 16/09/2015, 14:04

... “WiseMAC: an ultra low power MAC protocol for multi-hop wireless sensor networks,” in Proceedings of the 1st International Workshop on Algorithmic Aspects of Wireless Sensor Networks (ALGOSENSORS ’04), ... includes [25–27] Dutycycling MAC improves energy efficiency by reducing idle listening at MAC level There are two major approaches, synchronized listening and low power...

Ngày tải lên: 21/06/2014, 23:20

... significantly more current Software design has a critical impact on low- power system design Selecting the best low- power devices, and optimizing hardware for low power, can easily be wasted if the ... total power consumption While many modern ICs are designed with Low- Power modes, other components have different standards for what low power means While an MCU might ha...

Ngày tải lên: 11/01/2016, 16:56

... performance and design of air-breathing PEM fuel cells Litster and Djilali [1] developed a single-phase one-dimensional semi-analytical model of the membrane electrode assembly (MEA) of planar air-breathing ... of a passive planar air breathing fuel cell cathode J Power Sources 2007, 167(1), 118–129 [3] Rajani B.P.M and Kolar A. K A model for a vertical plan...

Ngày tải lên: 05/09/2013, 14:58

... Section 1, a novel critical-band transform algorithm is proposed to approximate the critical-band filtering of the human ear It consists of two transforms: a constant- Q transform (CQT) in the ... speech systems In this study, we develop an efficient critical-band transform algorithm and an architecture for approximating the critical-band filtering of the human ear...

Ngày tải lên: 22/06/2014, 19:20

... Low-Power VLSI for Nonlinear Adaptive Video Noise Reduction −1 Gaussian Frames Impulsive 10 11 12 13 14 15 Contaminated Gaussian Adaptive versus fixed Gaussian Adaptive versus fixed impulsive Adaptive ... device 2.4 Adaptive filter scheme Low-Power VLSI for Nonlinear Adaptive Video Noise Reduction 1925 Adaptive control I/O data In Local memory − Programmable...

Ngày tải lên: 23/06/2014, 01:20

... Design for Low Power Slide 19 Low Power Design  Reduce dynamic power – α: clock gating, sleep mode – C: – VDD: – f:  Reduce static power CMOS VLSI Design Design for Low Power Slide 20 Low Power Design ... low leakage devices, Pstatic = 749 mW (!) CMOS VLSI Design Design for Low Power Slide 18 Low Power Design  Reduce dynamic power – α: – C:...

Ngày tải lên: 01/07/2014, 11:20

... This page intentionally left blank Design and Implementation of Low Power MAC Protocol for Wireless Body Area Network by Pan Rui Submitted to the Department of Electrical and Computer Engineering ... fulfillment of the requirements for the degree of Doctor of Philosophy Abstract A wireless body area network (WBAN) is a network consists of wearable...

Ngày tải lên: 09/09/2015, 08:16

... settling time for ILRO allows the TX to operate in the form of “sniffing” or “wake up” This is also desirable for low- data rate application, where the data is buffered and transmitted at the highest ... contributions of my research works lie in the design of low- power high- data- rate TX dedicated for biomedical applications The first contribution of my works is the...

Ngày tải lên: 09/09/2015, 11:19

... for Output Network and Power 133 Appendix B Sub-Functions 133    iv    SUMMARY This thesis presents the design of a low- power 2.4-GHz BPSK/OOK transceiver for shortdistance wireless ... dBm output power 15    The absolute power consumptions for sensor RX should be below mW which is comparable to the transceivers for low- power sensors as reported in [17, 21, 24,...

Ngày tải lên: 09/09/2015, 18:49

... TUNNELING FIELD- EFFECT TRANSISTORS FOR LOW POWER LOGIC: DESIGN, SIMULATION, AND TECHNOLOGY DEMONSTRATION YANG YUE (B ENG (HONS.)), NUS A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR ... relatively large bandgap, leading to a low band-to-band tunneling (BTBT) rate and low drive current for Si TFETs Therefore, novel structure designs and materials are need adv...

Ngày tải lên: 10/09/2015, 09:24

... architecture for multi-channel biomedical sensor interface IC 2.3.2 Low Noise Front- End Amplifier Design The low noise front- end amplifier is one of the most important modules in the biomedical sensor interface ... LOW POWER LOW NOISE ANALOG FRONT- END IC DESIGN FOR BIOMEDICAL SENSOR INTERFACE ZOU XIAODAN (B.Eng (Hons.), NUS) A THESIS...

Ngày tải lên: 11/09/2015, 10:07

... Issue { Inst=Get_Next_Inst(IP); If (!All_Operand_Ready(Inst)) break; For (each source operand inp of Inst) If (Prod[inp]!=0) PI[Prod[inp]]=MIN(PI[Prod[n]],CycleIssue[Prod[inp]]); For (each destination ... present a novel power saving technique Extra slow FUs with lower per-execution energy are introduced into a processor Using code analysis and/or run-time pipeline profiling, certain in...

Ngày tải lên: 06/10/2015, 21:28