'Ofdm systems' diaporamas de présentation

932 views • 36 slides

Peak-to-Average Power Ratio ( PAPR)

Peak-to-Average Power Ratio ( PAPR). 2012/07/30 ???. Multi-carrier systems. The complex baseband representation of a multicarrier signal consisting of N subcarriers is given by where is the subcarrier spacing.

782 views • 30 slides

Peak-to-Average Power Ratio ( PAPR)

Peak-to-Average Power Ratio ( PAPR). 2012/07/30 ???. Multi-carrier systems. The complex baseband representation of a multicarrier signal consisting of N subcarriers is given by where is the subcarrier spacing.

405 views • 30 slides

Wireless OFDM Systems

Wireless OFDM Systems. Prof. Robert W. Heath Jr. rheath@ece.utexas.edu. Wireless Systems Innovations Laboratory Wireless Networking and Communications Group Department of Electrical and Computer Engineering The University of Texas at Austin. http://www.ece.utexas.edu/~rheath/research.

307 views • 26 slides

Performance Evaluation of Weight-Based ICI-Cancellation Scheme in OFDM Systems

Performance Evaluation of Weight-Based ICI-Cancellation Scheme in OFDM Systems. Jyh-Horng Wen a , Jia-Wei Liu b , Gwo-Ruey Lee c and Cheng-Yi Hsieh d. ???????? ?? ??? : ???. Outline. Introduction ICI Mechanism of Standard OFDM Systems ICI Self-Cancellation Scheme

431 views • 16 slides

Soft Decision Decoding with Channel State Information in OFDM systems

Soft Decision Decoding with Channel State Information in OFDM systems. Advisor : Yung-An Kao Student : Chi-Ting Wu 2004.10.06. Outline. Introduction C hannel S tate I nformation generation Viterbi decoder using CSI Some simulation result Conclusion. Frequency selective fading.

391 views • 14 slides

Inter-carrier interference cancellation in OFDM systems

Inter-carrier interference cancellation in OFDM systems. By: Dharamveer Meena Vinodkumar Pralia. Basic OFDM system. Multi-carrier modulation Multiple frequency channels are orthogonal to each other. OFDM modulated signal.

674 views • 13 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: [ Questions and Answers on the properties of the MB-OFDM PHY ] Date Submitted: [ 16 September, 2003 ] Source: [ Charles Razzell ] Company [ Philips Semiconductors ]

132 views • 13 slides

Non-Parametric Impulsive Noise Mitigation in OFDM Systems

Jing Lin, Marcel Nassar , and Brian L. Evans, The University of Texas at Austin Project supported by National Instruments, and by SRC GRC under Task Id 1836.063. Objective : Estimate and mitigate impulsive noise without any assumption of noise statistics and without any training overhead.

215 views • 1 slides