'Cyclic prefix' presentation slideshows

Equalizer Design to Maximize Bit Rate in ADSL Transceivers

Equalizer Design to Maximize Bit Rate in ADSL Transceivers. Prof. Brian L. Evans Dept. of Electrical and Comp. Eng. The University of Texas at Austin http://signal.ece.utexas.edu. Last modified August 20, 2006. UT graduate students: Mr. Alex Olson, Mr. Hamood Rehman, Mr. Ian Wong

802 views • 63 slides

Principles of Orthogonal Frequency Division Multiplexing and Multiple Input Multiple Output Communications Systems

Principles of Orthogonal Frequency Division Multiplexing and Multiple Input Multiple Output Communications Systems. OFDM. OFDM Material. Multicarrier communications Synchronization Issues Synchronization Sidelobes OFDMA. Intersymbol Interference. BER Floor for various modulations.

892 views • 43 slides

Robust Transceivers to Combat Impulsive Noise in Powerline Communications

Robust Transceivers to Combat Impulsive Noise in Powerline Communications. Jing Lin Committee Members. Prof. Brian L. Evans (Supervisor) Prof. Todd E. Humphreys Prof . Alexis Kwasinski Prof. Ahmed H. Tewfik Prof. Haris Vikalo. Outline.

599 views • 37 slides

Equalization for Discrete Multitone Transceivers

642 views • 36 slides

Multi Carrier Modulation and OFDM

Multi Carrier Modulation and OFDM. Frequency Spread. Time Spread. Transmission of Data Through Frequency Selective Time Varying Channels. We have seen a wireless channel is characterized by time spread and frequency spread. Single Carrier Modulation in Flat Fading Channels.

667 views • 36 slides

Cellular and Mobile Wireless Networks

Advanced Computer Networks. Cellular and Mobile Wireless Networks . Cellular/Mobile Wireless Outline. Cellular Architecture Cellular Standards GSM, 2G, 2.5G, 3G and 4G LTE Mobile Definitions Agents, addresses, correspondent Mobile Architecture Registering Indirect Routing

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Introduction to OFDM and the IEEE 802.11a Standard

Introduction to OFDM and the IEEE 802.11a Standard. Motivation. High bit-rate wireless applications in a multipath radio environment. OFDM can enable such applications without a high complexity receiver. OFDM is part of WLAN, DVB, and BWA standards

865 views • 34 slides

416 views • 34 slides

IV. Orthogonal Frequency Division Multiplexing (OFDM)

IV. Orthogonal Frequency Division Multiplexing (OFDM). OFDM a New Idea?. The idea of OFDM has been out there since the 1950s OFDM was first used in military HF radios in late 1950s and early 1960s

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EEE-752 Emerging Wireless Networks OFDM

EEE-752 Emerging Wireless Networks OFDM. Riaz Hussain FA08-PCE-003 rhussain@comsats.edu.pk Ph.D. Student Department of Electrical Engineering COMSATS Institute of Information Technology Islamabad, Pakistan. Riaz Hussain rhussain@comsats.edu.pk EEE752-EWN: OFDM 1. OFDM. FDM

380 views • 27 slides

Understanding of OFDM

Understanding of OFDM. Prof. Hyuckjae Lee Dept. of Electrical Engr. KAIST. OFDM ?. Need for Wideband Multimedia Service Limited Spectrum Bandwidth Not Friendly Transmission Environment Multipath fading effect Frequency selective channel Doppler effect

716 views • 21 slides

Orthogonal frequency division mu L tiplexing

Orthogonal frequency division mu L tiplexing. BY www.tricksworld.net.tc. DISADVANTAGES OF RADIO PROPAGATION. path loss fading Doppler shift multipath delay spread. OFDM INTRODUCTION.

492 views • 20 slides

Space-Time and Space-Frequency Coded Orthogonal Frequency Division Multiplexing Transmitter Diversity Techniques

Space-Time and Space-Frequency Coded Orthogonal Frequency Division Multiplexing Transmitter Diversity Techniques. King F. Lee. Introduction. Frequency-selective fading is a dominant impairment in mobile communications.

684 views • 19 slides

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: Reduced Duty Cycle Mul

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: Reduced Duty Cycle Multiband OFDM Date Submitted: March 3, 2003 Source: Eric Ojard and Jeyhan Karaoguz Company: Broadcom Corporation Address: 190 Mathilda Place, Sunnyvale, CA 94086

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High Rate - Ultra Wide Band (UWB) Background

Ecma/GA/2005/038. High Rate - Ultra Wide Band (UWB) Background. Promise of a UWB Physical Layer. Data rates: Scalable data rates from 55 Mb/s to 480 Mb/s. 110 Mb/s at 10 meters in realistic multi-path environments. 200 Mb/s at greater than 4 meters in realistic multi-path environments.

214 views • 9 slides

Modeling a Multicarrier Wireless Communication Transceiver

Modeling a Multicarrier Wireless Communication Transceiver. Embedded Software Systems Literature Survey March 24,2004. By Hunaid Lotia. Overview. Multicarrier Modulation Motivation Existing Research OFDM (Orthogonal Frequency Division Multiplexing) Goals Questions.

296 views • 8 slides

IEEE 802.15.4g OFDM PHY Overview

IEEE 802.15.4g OFDM PHY Overview. Date: 2010-11-08. Authors:. PHY for outdoor wireless communication High density deployment with up to 3 collocated networks. Low cost device Low power device Robust PHY Data rate up to 1Mbps and higher than 40kbps Frame size up to 1500 bytes.

337 views • 6 slides