'Bit error rate' diaporamas de présentation

Flash Memory from SSD Design Viewpoint

Flash Memory from SSD Design Viewpoint. Sungjoo Yoo Embedded System Architecture Lab. Agenda. NAND Flash memory Internal operations and reliability Flash memory organization and operations Read, program, and erase ECC (error correction code) Wear leveling, etc.

1.82k views • 90 slides

Mitigating Computer Platform Radio Frequency Interference in Embedded Wireless Transceivers

Preliminary Results. Mitigating Computer Platform Radio Frequency Interference in Embedded Wireless Transceivers. February 25, 2008. Outline. Problem Definition I: Single Carrier, Single Antenna Communication Systems Noise Modeling Estimation of Noise Model Parameters

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619 views • 51 slides

Decoding 802.11 Collisions

557 views • 44 slides

Chapter 7

Chapter 7. Fundamentals of Digital Transmission. Baseband Transmission (Line codes). ON-OFF or Unipolar (NRZ) Non-Return-to-Zero. Polar (NRZ). Performance Criteria of Line Codes. Zero DC value Inherent Bit-Synchronization Rich in transitions Average Transmitted Power

662 views • 38 slides

William Stallings Data and Computer Communications 7th Edition

William Stallings Data and Computer Communications 7th Edition . Chapter 6 Digital Data Communications Techniques Async and Sync Communication Error Processing Interface. Asynchronous and Synchronous Transmission.

573 views • 36 slides

Optical Transport Network (OTN)

4.09k views • 31 slides

Indira Rajagopal Joydeep Acharya Madhavi V Ratnagiri Sumathi Gopal

Implementation and Performance Evaluation of an OFDM Modem With Variations in Cyclic Prefix Length and Channel Coding for Different Channels. Indira Rajagopal Joydeep Acharya Madhavi V Ratnagiri Sumathi Gopal. Course: Communication Theory (ECE 545); Rutgers University

706 views • 28 slides

NetHawk Quality of Service products

459 views • 27 slides

Importance Sampling

Importance Sampling. What is Importance Sampling ?. A simulation technique Used when we are interested in rare events Examples: Bit Error Rate on a channel, Failure probability of a reliable system. What is the Problem ?. Assume you can simulate a system

457 views • 24 slides

Fundamentals of Multimedia Chapter 17 Wireless Networks

Fundamentals of Multimedia Chapter 17 Wireless Networks. ????? ????????? ? ? ?. Outline. 17.1 Wireless networks (skip) 17.2 Radio propagation models (skip) 17.3 Multimedia over wireless networks. 17.3 Multimedia over Wireless Networks. Mainly concerned with sending video robustly over

495 views • 24 slides

Optical Links for ATLAS Liquid Argon Calorimeter Front-end Electronics Readout

Optical Links for ATLAS Liquid Argon Calorimeter Front-end Electronics Readout. Tiankuan (Andy) Liu on behalf of the ATLAS Liquid Argon Calorimeter Group Department of Physics, Southern Methodist University, Dallas, Texas 75275, USA TWEPP 2010 - Aachen, Germany September 22, 2010. Outline.

403 views • 23 slides

IEEE 802.19 Wireless Coexistence TAG

IEEE 802.19 Wireless Coexistence TAG. An Analytic Coexistence Assurance Model. Steve Shellhammer shellhammer@ieee.org. An Analytic CA Model. Make reasonable approximations of PHY and MAC layers. Provide a method of predicting the impact of interference in a timely manner.

472 views • 22 slides

Distributed Simulation of Modern Communication Systems Using the Global Grid Exchange

402 views • 22 slides

Evaluating the Bit Error Rate of M-QAM over the AWGN Channel

888 views • 22 slides

Rohit Iyer Seshadri and Matthew C. Valenti

Soft-in/ Soft-out Noncoherent Sequence Detection for Bluetooth: Capacity, Error Rate and Throughput Analysis. Rohit Iyer Seshadri and Matthew C. Valenti Lane Dept. of Computer Science and Electrical Engineering West Virginia University iyerr, mvalenti @csee.wvu.edu. Objectives.

387 views • 22 slides

A Framework for Energy-Scalable Communication in High-Density Wireless Networks

A Framework for Energy-Scalable Communication in High-Density Wireless Networks. Telvis Calhoun Wireless Sensor Networks CSC8908-005 Dr. Li 8/27/2008. Background. Overview Power Control API Radio Channel Background Communication Models Summary. API.

306 views • 20 slides

MST/MD: a Transport Layer Protocol that

264 views • 14 slides

RF Communications Jonathan Parkhurst Space Sciences Laboratory University of California, Berkeley

RF Communications Jonathan Parkhurst Space Sciences Laboratory University of California, Berkeley. RF Communications Agenda. AGENDA Requirements Communications Overview UHF (Low-Rate) System S-Band (High-Rate) System Patch Antenna Issues. RF Communications Requirements.

275 views • 11 slides

Local Decoding of Walsh Codes to Reduce CDMA Despreading Computation

Local Decoding of Walsh Codes to Reduce CDMA Despreading Computation. Matthew Doherty. CDMA Cell Sites Are Power-Hungry. Code Division Multiple Access Moves multiple access problem to DSP Computation uses more power than other standards (TDMA, GSM, etc.).

519 views • 7 slides