📄 ee359 project.htm
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<CENTER><B><FONT size=+3>Adaptive loading for MIMO/OFDM
Systems<BR><BR></FONT></B><FONT size=+1>Prateek Bansal<BR>Andrew
Brzezinski<BR><BR><BR></FONT></CENTER><B>Simulator Task
Division:</B><BR><BR><I>Andrew Brzezinski (<A
href="http://web.mit.edu/brzezin/www/359/brzezin@stanford.edu">http://web.mit.edu/brzezin/www/359/brzezin@stanford.edu</A>)<BR></I>
<BLOCKQUOTE>
<LI>Channel Simulator (Block Fading Assumption), including
Transmit Precoding and Receiver Shaping
<LI>Performance Analysis of Adaptive Modulation applied to
MIMO/OFDM Systems
<LI>Performance Analysis of Fixed OFDM Transmission for single
antenna system </LI></BLOCKQUOTE><I>Prateek Bansal (<A
href="http://web.mit.edu/brzezin/www/359/prateek@stanford.edu">http://web.mit.edu/brzezin/www/359/prateek@stanford.edu</A>)<BR></I>
<BLOCKQUOTE>
<LI>Modulator/Demodulator(IFFT/FFT) Block and Cyclic Prefix Block
for OFDM Transmitter and Receiver
<LI>Performance Analysis of MIMO/OFDM System having selection
diversity at the transmitter and maximal ratio combining at the
receiver
<LI>Performace Analysis of Adaptive Modulation applied to single
antenna system</LI></BLOCKQUOTE><BR><B>Project Update:</B><BR><BR>
<P style="TEXT-ALIGN: justify">We have completed the literature
survey and we have a basic outline of the simulator
structure.<BR><BR>(Dec 1) We have completed the single antenna OFDM
system with adaptive modulation. The following blocks are part of
the design:
<BLOCKQUOTE>
<LI>Adaptive Bit Allocation
<LI>QAM Modulation (1, 2, 4, 16, 64, 256 QAM finite modulation
order)
<LI>Circular Prefix and FFT
<LI>Channel Simulator
<LI>Remove Prefix and IFFT
<LI>Zero-forcing ML Decoding</LI></BLOCKQUOTE><BR>(Dec 9) We have
completed the MIMO OFDM system with adaptive modulation. This
includes
<BLOCKQUOTE>
<LI>precoder
<LI>shaper
<LI>matrix channel formulation
<LI>a fully functional variable rate variable power
modulator.</LI></BLOCKQUOTE>Further, we have implemented selection
diversity at the transmitter, and fixed OFDM for comparison
purposes.
<P></P><BR><B>Weekly Goals:</B><BR><BR>Dec 2nd 2001: Have
Implemented the Single Antenna System<BR>Dec 9th 2001: Have
Implemented the MIMO System<BR>Dec 13th 2001: Completed Project
Report<BR><BR><BR><B>Proposed Extensions:</B><BR><BR>
<LI>Analysis of Multiuser OFDM systems with single antennas.
<LI>Analysis of Multiuser MIMO/OFDM Systems.
<BR><BR><BR><B>References:</B><BR><BR>
<LI>Jorge Campello de Souza, "Discrete Bit Loading for Multicarrier
Modulation Systems", <I>PhD Thesis</I>. May, 1999<BR>
<LI>Kai-Kit Wong et al, "Adaptive Spatial-Subcarrier Trellis Coded
MQAM and Power Optimization for OFDM Transmission", <I>VTC2000</I>,
Page 2049-2053<BR>
<LI>Cheong Yui Wong et al, "Multiuser OFDM with Adaptive Subcarrier,
Bit, and Power Allocation", <I>IEEE Journal on Selected Areas in
Communications</I>, Vol. 17, No. 10, October 1999, Page
1747-1758.<BR>
<LI>Joonsuk Kim, John M. Cioffi, "Spatial Multiuser Access OFDM with
Antenna Diversity and Power Control", <I>VTC2000</I>, Page
273-279<BR>
<LI>EE359 Course Reader
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