MIMO-OFDM MIMO High diversity gain (space-time coding) High multiplexing gain (BLAST) OFDM Bandwidth efficient Robust to multipath fading thanks to cyclic prefix
additional interference leads to an increase in the Bit Error Rate (BER) of the system. ... implementation of Tone Reservation Algorithm and Comparison with ...
OFDM System Performance ... about 2 dB separates the 1% from the 10 % point Rayleigh fading causes frequent swings to low SNR level What we ran in place of ...
Impulse response of the channel shorter than Cyclic Prefix ... e(k) Yp(k) Interpolation for Comb-type. Linear Interpolation. Second Order Interpolation ...
Equal receive power at access point. Distributed channel ... (Specifically a tragedy of the commons) Case Study 2: Channel Limited Throughput Maximization ...
CDMA, OFDM CDMA Code Division Multiplexing CDMA Used in 3G networks. Direct Sequence Spread Spectrum: spread a data bit into multiple chips. Each sender has a unique ...
Wireless Communications with MATLAB Chapter 6. Channel Estimation Yong Soo Cho | Jaekwon Kim Won Young Yang | Chung G. Kang Page * MIMO-OFDM Wireless Communications ...
... when Nyquist filters are used within DS-CDMA, RAKE may wrongly combine paths) ... It may be difficult for DS-CDMA RAKE to employ all the received signal energy ...
Wireless Communications with MATLAB Chapter 9. MIMO: Channel Capacity Yong Soo Cho | Jaekwon Kim Won Young Yang | Chung G. Kang Page * MIMO-OFDM Wireless ...
OFDM Concepts for Future Communication Systems School of Info. Sci. & Eng. Shandong Univ. Outline of Course Ch 1 Introduction Ch 2 Channel Modeling Ch 3 Link-Level ...
A Robust Double Correlation (Correlation & Auto-Correlation) Based Algorithm ... Protect against frequency selective fading. Simulation Results. Simulation parameters: ...
Title: LDPC Overview and Implementation Author: Eric Jacobsen Last modified by: eajacobs Created Date: 12/6/2002 12:58:45 AM Document presentation format
Title: Slide 1 Author: Sande Storey Last modified by: Ian C. Wong Created Date: 10/7/2002 1:18:47 PM Document presentation format: On-screen Show Company
Definition. How it works. Uses. Definition ... the amount of crosstalk in ... are then transmitted simultaneously at different frequencies to the receiver. ...
Map the signal to a length N sparse vector. Some bits can be represented as the indices of ... k=sparsity the number of frequencies utilized. L=bits per symbol ...
Before transmission, the OFDM sequence is amplified by a nonlinear PA: ... Families of PAs - Solid State Power Amplifiers (SSPA): WiFi, WiMAX. - Traveling Wave Tube ...
Orthogonal Frequency Division Multiplexing (OFDM) OFDM Overview OFDM is a combination of modulation and multiplexing OFDM is a special case of FDM where K orthogonal ...
Digital modulation scheme. Wireless counterpart to discrete multitone transmission ... Enables same radio/TV channel frequency throughout a country ...
RAKE: The performance is dominated by the MAI and this results in saturation at ... Step 2. A RAKE receiver then operates on the received signal and the composite ...
Decision Feedback Equalization in OFDM with Long Delay Spreads Zeeshan Qureshi Digital Video Broadcasting (DVB) Rapidly becoming world-wide standard for digital TV ...
Fire Tom Wada Professor, Information Engineering, Univ. of the Ryukyus Chief Scientist at Magna Design Net, Inc wada@ie.u-ryukyu.ac.jp http://www.ie.u-ryukyu.ac.jp/~wada/
Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) ... Realtek Semiconductor Corp: T. Chou. RFDomus: A. Mantovani. SiWorks: R. Bertschmann ...
Usage of OFDM in a wideband fading channel OFDM signal structure Subcarrier modulation and coding Signals in frequency and time domain Inter-carrier interference
H decrease = will increase the pr to become 1 to transmit data ... Digital Communication, Prokis, 4th edition. Wireless Communications, Rappaport,2nd edition ...
Quality degrades as the number of users in a given cell increases ... multimedia support (real time audio, high speed data, HDTV video content, mobile ...
Associate Professor of Electrical Engineering. Telecom and Computer Networks (TeNeT) Group ... IISc Program on Mathematical Engineering, Feb. 14, 2003. IEEE ...
Title: No Slide Title Last modified by: narayan Created Date: 1/21/2003 5:41:38 AM Document presentation format: On-screen Show Other titles: Times New Roman Tahoma ...
OFDM Transmission over Gaussian Channel Gwo-Ruey Lee Outlines OFDM Transmission over Gaussian Channel Gaussian Distribution The AWGN Channel Model OFDM System ...
Stochastic Processes and Random Variables. Discrete-Time Signal Processing ... Stochastic and random process. Discrete-time signals. Discrete Fourier Transform(DFT) ...
... Channelization DTV Simulation Model Excludes Reed-Solomon coding and interleaving Impossible to simulate error rates with RS coding Will probably ...
New preamble structure for AGC in a MIMO-OFDM system Tsuguhide Aoki, Daisuke Takeda, Takahiro Kobayashi and Kazuaki Kawabata Corporate R&D center, TOSHIBA corporation
PAPR Reduction of OFDM by Unitary Transformations Je Woo Kim TeleCIS Wireless, Inc. jewkim@telecis.com Contents Background for PAPR Reduction in OFDM Delta Frequency ...