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...

Low power low noise analog front end IC design for biomedical sensor interface

... 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 SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF ELECTRICAL ... book chapter ―The Optimal Design of Low Power Biomedical Sensor Interface, ‖ in ―Integrated Microsystems: Mechanical, Photonic and Biological Interfaces‖, pending for publication 1.5 Organization...

Báo cáo hóa học: " Low Complexity Turbo Equalization for High Data Rate Wireless Communications" doc

... approximate implementation oﬀers very good performance at linear complexity Thus, the latter low complexity equalization algorithm is suitable for high data- rate wireless communication systems with limited ... [18]) Figures and demonstrate the performance of various receivers performing turbo equalization for the aforementioned channels The cases shown correspond to (a) conventional equalization and decoding ... which has linear complexity Simulation results have shown that the proposed algorithm exhibits very good performance characteristics that make it suitable for high data rate wireless communications...

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: " Research Article Canceling Interferences for High Data Rate Time Reversal MIMO UWB System: A Precoding Approach" potx

... data rate TRMIMO -UWB system with space -time precoding Multiple antennas can increase data rate, whereas the occurrence of MSI degrades the system performance The ultra -high data rate UWB transmission ... multiple antennas at the transmitter and receiver, is capable of increasing data transmission rate by spatial multiplexing without expanding the bandwidth In order to transmit parallel data streams ... TR -MIMO- UWB system with ZF space -time precoding are essential (i) From (13), all Nr parallel data streams are simultaneously transmitted from one antenna That means the number of transmitted parallel...

Báo cáo hóa học: " Research Article Optimization of Linear Precoded OFDM for High-Data-Rate UWB Systems" pptx

... Mbit/s Figure 6: LP -OFDM performance with channel model CM1 CONCLUSION In this paper, we have proposed a linear precoded multicarrier waveform, called LP -OFDM, for high data rate UWB applications ... Furthermore, Theorem shows that the LP -OFDM noise margin can never be lower than the OFDM noise margin The LP -OFDM system range is therefore larger than the OFDM system range This result was expected ... considered Frames of 150 OFDM symbols are used, and a diﬀerent channel realization is applied for each frame The performance is estimated for UWB channel models CM1 and CM2, in the case of perfect channel...

Báo cáo hóa học: " Research Article Optimization of Linear Precoded OFDM for High-Data-Rate UWB Systems" pdf

Iterative bi directional kalman DFE equalizer for the high data rate HF waveforms in the HF channel

... curves for all data rates for the iterative structure of the bi- directional Kalman- DFE are shown in Fig 11 Fig.6 Bi- directional Kalman- DFE structure Fig.8 Bi- directional Kalman- DFE, decision-directed, ... Otnes in [8] for the HF medium data rate standard, and he extends his results for high data rates in [9] In this paper, we first investigate the performance of basic Kalman- DFE with detailed tuning ... VI shows the final form of the iterative bidirectional Kalman- DFE structure and the final BER performance results II SYSTEM MODEL A Transmitter The transmitter structure for high data rate serial...

Báo cáo khoa học: "High-dose rate brachytherapy (HDRB) for primary or recurrent cancer in the vagina" docx

... grade or higher morbidity was noted Discussion Radiotherapy is the main therapeutic modality in the management of primary or recurrent vaginal cancer Brachytherapy remains integral part of definitive ... pain during the course of treatment Laparoscopic guidance was used for tumors involving the vaginal apex to avoid injury to the bladder or adjacent small bowel CT simulation for interstitial brachytherapy ... findings and imaging were also taken for reference for defining the target volume The median number of needles used were 14 (range 7–18) The dose of interstitial brachytherapy was 18.75 Gy in...

Preparation and characterization of bimodal magnetofluorescent nanoprobes for biomedical application

... 3.6 g of iron-oleate, 1.91 mL of oleylamine and 0.64 mL of oleic acid were mixed together and were heated at 120∘C for one hour After that, the dark solution was quickly heated up to 200∘C and ... CTAB;[16] and 0.5 mL of the resulting Fe3 O4 /CTAB aqueous solution were diluted with 10 mL of water Then 0.3 mL of NH4 OH aqueous solution, 0.03 mL of tetraethylorthosilicate (TEOS), and 0.5 mL of ... stirring for 30 s, and then aged for three hours The Fe3 O4 /SiO2 nanoparticles were collected by centrifugation and washed with water and ethanol several times, and then redispersed in 10 mL of ethanol...

Designing and synthesis of shape memory polymers for biomedical application

... DESIGNING AND SYNTHESIS OF SHAPE- MEMORY POLYMERS FOR BIOMEDICAL APPLICATION XUE LIANG (Msc in Chemistry, Zhejiang University, China ) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHYLOSOPHY ... mechanical and shape- memory properties of SMPs is examined The characterization of polymers structure, thermal, and mechanical properties, and the investigation of shapememory behavior of star polymers ... tensile strength (σm) of 14-20 MPa and Young’s modulus (E) of 70-91 MPa) and exhibited excellent shape- memory property at 40 oC, with Rf of over 95%, Rr of over 97%, and shape recovery within...

Heat rate curve approximation for power plants without data measuring devices

... requires three or more data points in order to approximate the heat rate curve However, sometimes power plants have no data measuring devices available and the heat rate data points are known ... proposed for the approximation of the heat rate curve This method can be applied for power plants in which no data acquisition is available Unlike other methods in which three or more data points ... required for the approximation of the heat rate curve, the proposed method can be applied when the heat rate curve data is available only at the maximum and minimum operating capacities of the power...

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 for Low Power potx

... 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: – VDD: – f:  Reduce static power CMOS VLSI Design Design ... Outline     Power and Energy Dynamic Power Static Power Low Power Design CMOS VLSI Design Design for LowSlide Power Power and Energy  Power is drawn from a voltage source...

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