Jacobi Angles for Simultaneous Diagonalization
SIAM Journal on Matrix Analysis and Applications
The OFDM System Based on the Fractional Fourier Transform
ICICIC '06 Proceedings of the First International Conference on Innovative Computing, Information and Control - Volume 3
Closed-form expression for optimal two-user MIMO unitary precoding
IEEE Communications Letters
MIMO OFDM Systems Based on the Optimal Fractional Fourier Transform
Wireless Personal Communications: An International Journal
Optimal filtering in fractional Fourier domains
IEEE Transactions on Signal Processing
A method for the discrete fractional Fourier transform computation
IEEE Transactions on Signal Processing
A joint-channel diagonalization for multiuser MIMO antenna systems
IEEE Transactions on Wireless Communications
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Existing multiuser (MU) schemes are mainly accomplished by MIMO techniques. In this letter, we propose a novel group fractional Fourier transform based MU SISO Biorthogonal Frequency Division Multiplexing system, in which multiple independent data streams from co-channel mobile stations (MSs) can be transmitted in the same frequency and time slot. Because the chirp bases generated by different orders based fractional Fourier transform (FrFTs), at same subchannel, are mutually approximately orthogonal, when FrFT orders are effectively allocated to different co-channel MSs, the co-channel interference can be perfectly suppressed by simple correlative detection in FrFT domain with respective optimal order, at the receiver of each MS. Finally, system simulations show the essential advantages over conventional MU schemes.