RF Technologies For Low Power Wireless Communications

... is, two interfering packets were transmitted during that time as shown in Figure Since in practical scenarios the interference probability 1, the probability of having two interfering packets ... Gittins indices makes the algorithm try unexplored channel until enough information is gained about them 3.2.2 Channel selection algorithm The channel selection can be described using t...

Ngày tải lên: 21/06/2014, 22:20

... differences between various competing wireless technologies in the ultra low power market place Many innovative new use cases are now being made possible with the introduction of ultra low power wireless ... These applications are all constrained by the following critical key requirements: ultra low power, low cost and physical size The ultra low power requirement is...

Ngày tải lên: 14/04/2015, 13:30

... 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

... Their performance is compared with the baseline correlation receiver as reported in Section 3.1 Baseline receiver The baseline receiver for the impulse- modulated system is the correlation receiver ... Rinaldo, and M Bellin, “Synchronization and channel estimation for wide band impulse modulation over power line channels,” in Proceedings of the 8th International Sympo...

Ngày tải lên: 22/06/2014, 19:20

... 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 rece...

Ngày tải lên: 22/06/2014, 22:20

... trellis using either Viterbi decoding, MAP decoding, or sequential decoding Another categorization is based on the decoding algorithms: (1) noniterative decoding algorithms, such as syndrome decoding ... n ≥ [35] ERROR CONTROL CODING Error control coding (ECC) introduces redundancy into an information sequence u of length k by the addition of extra parity bits, based on various...

Ngày tải lên: 22/06/2014, 22:20

... 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

... 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

... 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

... different types of solar and thermal energy harvesting systems The main focus of this report is to develop energy efficient solar and thermal energy harvesters for low power wireless sensor applications ... converter (ADC) and voltage as well as current sensors Hence, the overall efficiency of the scavenging system for low power application is comparative...

Ngày tải lên: 13/10/2015, 15:55

... matched for maximum accuracy, as discussed in Section “Load Capacitors Matched to the Crystal and Circuit Board” For many low- power designs, lower capacitance crystals, pF and pF, are recommended Low- power ... electrical performance, especially in high humidity or lowtemperature environments CONCLUSION Low- power crystal oscillators offer extended battery life and lower curre...

Ngày tải lên: 11/01/2016, 17:05

... Advanced Memory Optimization Techniques for Low- Power Embedded Processors Advanced Memory Optimization Techniques for Low- Power Embedded Processors By Manish Verma ... STORE Main Memory Main Memory Scratchpad Scratchpad Data Memory Main Memory Scratchpad Main Memory Scratchpad Main Memory Scratchpad Main Memory Scratchpad Main Memory Scratch...

Ngày tải lên: 08/03/2016, 10:33

... RF MEMS Circuit Design for Wireless Communications For a listing of recent titles in the Artech House Microelectromechanical Systems (MEMS) Series, turn to the back of this book RF MEMS Circuit ... RF MEMS and traditional RF and microwave circuit design Chapter of RF MEMS Circuit Design for Wireless Communications starts by clearly stating the ubi...

Ngày tải lên: 19/01/2014, 20:20

... power consumption and costs of the conventional MIMO approaches [1] limit applications for ubiquitous networks A low-power and low-cost RF-MIMO (MIMAX) system for maximum reliability and performance ... possible to perform all relevant control and configuration commands for every station The baseband board was used for the real-time tests of the MIMAX baseband processor...

Ngày tải lên: 18/06/2014, 22:20