Title :
A Deterministic Blind Receiver for MIMO OFDM Systems
Author :
Rajih, Myriam ; Comon, Pierre ; Slock, Dirk
Author_Institution :
I3S Lab., Sophia-Antipolis
Abstract :
In this paper a deterministic parallel factor (PARAFAC) receiver is proposed, for multiple input multiple output (MIMO) orthogonal frequency division multiplexing (OFDM) systems. We show that the received signal forms a 4-way tensor whose dimensions are space, time, and frequency, and can be written as a sum of tensor products (over paths and users) of four tensors representing the channel (for two of them), the symbols, and the modulation. Parameters of this model are identified via an alternating least squares (ALS) algorithm, called DEBRE, whose identifiability conditions are pointed out
Keywords :
MIMO communication; OFDM modulation; least squares approximations; radio receivers; tensors; 4-way tensor; DEBRE; MIMO OFDM systems; alternating least squares algorithm; deterministic blind receiver; deterministic parallel factor receiver; multiple input multiple output systems; orthogonal frequency division multiplexing systems; Frequency estimation; Intersymbol interference; Laboratories; Least squares methods; Local area networks; MIMO; Matrix decomposition; OFDM modulation; Receiving antennas; Tensile stress;
Conference_Titel :
Signal Processing Advances in Wireless Communications, 2006. SPAWC '06. IEEE 7th Workshop on
Conference_Location :
Cannes
Print_ISBN :
0-7803-9710-X
Electronic_ISBN :
0-7803-9711-8
DOI :
10.1109/SPAWC.2006.346441
