'Qpsk' diaporamas de présentation

Coherent phase shift keying

Coherent phase shift keying. In coherent phase shift keying different phase modulation schemes will be covered i.e. binary PSK, quadrature phase shift keying and M- ary PSK Binary PSK will be studied in the next slides. Binary Phase shift keying.

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Digital Communication Systems 2012 R.Sokullu

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Design of Expanded Constellations for PAPR Reduction in OFDM Systems

Design of Expanded Constellations for PAPR Reduction in OFDM Systems. Speaker: Dr. Ali Al-Shaikhi Assistant Professor, EE department. Outline. Communication System Demand OFDM Basic Principle The Overall System Advantages, Applications, Problems ( High PAPR )

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Digital Communication Systems 2012 R.Sokullu

342 views • 31 slides

Exploiting Constructive Interference for Scalable Flooding in Wireless Networks

Exploiting Constructive Interference for Scalable Flooding in Wireless Networks. InfoCom 2012 Yin Wang, Yuan He, Xufei Mao, Yunhao Liu, Zhiyu Huang, Xiangyang Li NSLab study group 2013/1/21 Presented by: Yu-Ting. Outline. Theoretical Analysis Scalability Problem Lower Bound of PRR

263 views • 19 slides

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [CSS Comment Resolution of Sponsor Ballot] Date Submitted: [Nov. 2006] Source: [ (1) Kyung-Kuk Lee (2) Rainer Hach ] Company [(1) Orthotron Co., Ltd., (2) Nanotron Technologies]

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Coded modulation : Final issues

Coded modulation : Final issues. Rotational invariance Multidimensional constellations Turbo coded modulation* Noisy-Champs 2004. Rotational invariance. Most constellations are phase symmetric : A phase shift of ? will map one signal point into another, for some value of ?

289 views • 17 slides

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [ Peak-to-Average Ratio Analysis of QPSK, OQPSK, and 64-QAM for 802.15.3 ] Date Submitted: [ 25 April 2001 ] Source: [ Stanley K. Ling and Susumu Hara ] Company [ Intel Corporation ]

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Link Budget Model

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Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [TG3-OQPSK-Tutorial] Date Submitted: [ 12 March 2001 ] Source: [ James P. K. Gilb ] Company [ Mobilian ] Address [ 11031 Via Frontera, Suite C, San Diego, CA 92127 ]

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Major phases of the project:

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