A 65 nm CMOS ultra low power impulse radio ultra wideband emitter for short range indoor localization pdf

Báo cáo hóa học: " Research Article A Systematic Approach to Design Low-Power Video Codec Cores" doc

... vector q for the EURASIP Journal on Embedded Systems Full Op mode Addr Data in Data out Block Block ··· Block n − Data Data Data Data Data Data Data Data ··· ··· ··· ··· Data k − Data k − Data ... edges are relaxed: partial releases are added to the typically random accessible data in the container of a token These partial releases enable releasing only a part of the acquired tokes to support ... Yokohama, Japan, January 2006 F Haim, M Sen, D.-I Ko, S S Bhattacharyya, and W Wolf, “Mapping multimedia applications onto conﬁgurable hardware with parameterized cyclo-static dataﬂow graphs,”...

Low power high data rate transmitter design for biomedical application

... 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 design of a 13-pJ/bit 900 MHz QPSK/16-QAM ... not favor biomedical implementation targeting small form factor Finally, high speed DACs and wide-band filters required for high data rate are usually achieved at the expense of higher power dissipation...

Báo cáo sinh học: " Research Article Iterative Frequency-Domain Channel Estimation and Equalization for Ultra-Wideband Systems with Short Cyclic Preﬁx" pot

... Receiver performance over diﬀerent channel models, for CP = and channel estimation with pilot blocks when the channel estimation is performed with the IBI cancellation, the reduction in IBI for CP ... the synchronization errors, channel estimation errors , and as well as the derivation of analytical performance bounds for the channel estimation and equalization with IBI cancellation 8 EURASIP ... 2: Performance of FD channel estimation with and without IBI cancellation, number of pulse repetition = block size = 160 symbols (640 chips), max CM4 UWB channel, channel length = 360, and taps...

Báo cáo hóa học: " Research Article A Wireless Sensor Network for RF-Based Indoor Localization" pptx

... hear LBs from diﬀerent location nodes, and 3.2.3 Channel access Relay network data exchanges can be divided into intracluster aggregation data exchanges and to relay data exchanges The aggregation ... time passed between the 3.1.3 Data transfer LocMAC base enables low-rate data exchanges between location nodes and anchor nodes Both LBs and LBAs include payload parts Uplink data can be piggybagged ... data forwarding to the sink(s) For data aggregation, clusters are established Each aggregation cluster consists of an aggregation cluster head (ACH) and n subnodes acting as cluster members At...

Digital ultra wideband technology for biomedical applications

... Algorithm for QRS Complex Detection 15 2.4 System Integration and Operation 16 ii Chapter Principles of Ultra Wideband Technology 20 3.1 Introduction to Ultra Wideband Technology 21 3.1.1 Ultra Wideband ... we accordingly term Digital UWB”, which employs the use of a threshold detector in the receiver architecture 20 3.1 Introduction to Ultra Wideband Technology 3.1.1 Ultra Wideband Characteristics ... devices One such technology is the Ultra Wideband communication system, and its development from a purely digital viewpoint this is the primary focus of this entire study 1.1 Wireless Biomedical Devices...

Impulse radio intrabody communication system for wireless body area networks

... Zibo Cai, declare that the Master by Research thesis entitled [Impulse Radio Intrabody Communication System for Wireless Body Area Networks] is no more than 60,000 words in length including quotes ... papers as body channel communication (BBC) [16] or intrabody communications (IBC) [16] According to [17], intrabody communication is a novel data propagation method using the human body as the ... PHY layers for Body Area Networks (BAN) application in, on, or around a human body IEEE 802.15.6 determines three PHYs, named Narrow Band (NB), Ultra Wide Band (UWB) and Human Body Communication...

A low power high dynamic range broadband variable gain amplifier for an ultra wideband receiver

... Laszlo Kish Charles S Lessard Costas Georghiades May 2006 Major Subject: Electrical Engineering iii ABSTRACT A Low Power, High Dynamic Range, Broadband Variable Gain Amplifier for an Ultra Wideband ... A LOW POWER, HIGH DYNAMIC RANGE, BROADBAND VARIABLE GAIN AMPLIFIER FOR AN ULTRA WIDEBAND RECEIVER A Thesis by LIN CHEN Submitted to the Office of Graduate Studies of Texas A& M University ... not suitable for this design, because it cannot simultaneously satisfy the required specifications of large bandwidth, large variable gain range, and large linear range (1Vpp) 12 II.1.2 Analog...

Báo cáo hóa học: " Analog-Digital Partitioning for Low-Power UWB Impulse Radios under CMOS Scaling" potx

... consumption ﬁgures for a 180 nm UWB receiver with the same functionality but relying on four-phase sampling of the full UWB pulse frame are 86 mW for four ADCs operating at 300 MHz and 75 mW for digital ... mixed-mode impulse UWB transceiver with ITRS 2004 roadmap parameters It is concluded that the leakage power consumption is going to become important in low-power UWB receivers with CMOS technology ... design techniques to tackle static and dynamic power consumption on top of CMOS scaling for enabling future low-power UWB radios A roadmap analysis of the power consumption of the front-end shows...

Experimental study of operation performance of a low power thermoelectric cooling dehumidifier

... Takata Y, Tanaka K, Kaijima K, et al Enhancement of heat transfer with liquid-vapor phase change by photo-induced hydrophilicity Proceedings of the 33rd National Heat Transfer Conference, Japan, ... cold-side fins appeared a slowly decreasing tendency, and finally reached a steady state It was also found that the relative humidity experienced two accelerating stages (i.e.98-90% and 70-50%) and two ... runoff flow along the gravity direction was dominated The fin surfaces became relatively clean again At the same time, the temperature of cold-side fins still remained a steady low temperature...

báo cáo hóa học:" Effects of low power laser irradiation on bone healing in animals: a meta-analysis" pptx

... evaluation of bone healing after laser irradiation [25] They did not find any positive changes in biomechanical bone properties after laser irradiation, and concluded that low power laser irradiation did ... MA, Mayayo E: Bone fracture consolidate faster with low power laser Lasers Surgical Medicine 1987, 7(1):36-45 19 Yamada K: Biological effects of low power laser irradiation on clonal osteoblastic ... K, Takaoka K: Experimental evaluation on bone repairing activation effect of lasers based on bone morphologic protein Nippon Reza Igakkai Shi (The Journal of Japan Society for Laser Medicine)...

Báo cáo hóa học: " Research Article A Subsample-Based Low-Power Image Compressor for Capsule Gastrointestinal Endoscopy" docx

... has poorer image quality than one-level interpolation Fortunately, the decoded image quality using GICam-II compressor can be accepted and suitable for practical diagnosis, and the evaluation results ... the raw image sensor and the GICam-II image compressor The Downsample Controller receives the valid data and then selects the candidate subsample ratio to sample the candidate image data in the ... Output Analog output (a) (b) Figure 3: (a) The chip layout of the locally raster-scanning raw image sensor (b) The package layout and the chip speciﬁcation of the locally raster-scanning raw image...

Báo cáo hóa học: " Design of a Low-Power VLSI Macrocell for Nonlinear Adaptive Video Noise Reduction" doc

... 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 nonlinear filter + Noise estimation & filter ... paper Based on a nonlinear rational operator the filter is enhanced by a noise estimator for blind and dynamic adaptation to the input signal characteristics The architecture is conceived as an...

design of low noise, low power linear cmos image sensors

... advantages of the CMOS image sensors over CCD based imagers is the lower power consumption of CMOS circuits The usage of closed loop opamps in place of simpler two transistor source follower bu ... architecture of the linear image sensor is presented in this chapter Even though, the design issues of CMOS image sensors are presented with respect to area format image sensors they are applicable to linear ... manufacture CMOS image sensors cuts cost dramatically because of the xed costs of the plant are spread over a much larger number of devices As a result of this economy scale, the cost of fabricating a CMOS...

The design of low power ultra wideband transceiver

... THE DESIGN OF LOW POWER ULTRAWIDEBAND TRANSCEIVERS Wang Lei (B Sci, Beijing Technology and Business University, China) (M Eng, Tsinghua University, China) A THESIS SUBMITTED FOR THE DEGREE OF ... Organization of The Thesis The following thesis is organized as follows Chapter will give a brief literature review on the architectures of IR UWB beamforming transmitter and receiver The sub GHz UWB transceivers ... θ is the polar co-ordinate, N is the number of antenna elements, d is the spacing between the antenna elements,  is the angle at which the main lobe of the beam is focused and k=2π/ is the propagation...

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