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A systolic array for linear MIMO detection based on an all-swap lattice reduction algorithm
Wang, Ni-Chun; Biglieri, Ezio; Yao, Kung
Universitat Pompeu Fabra
A systolic array to implement lattice-reduction-aided lineardetection is proposed for a MIMO receiver. The lattice reductionalgorithm and the ensuing linear detections are operated in the same array, which can be hardware-efficient. All-swap lattice reduction algorithm (ASLR) is considered for the systolic design.ASLR is a variant of the LLL algorithm, which processes all lattice basis vectors within one iteration. Lattice-reduction-aided linear detection based on ASLR and LLL algorithms have very similarbit-error-rate performance, while ASLR is more time efficient inthe systolic array, especially for systems with a large number ofantennas.
Comunicació presentada en la 34th IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP '09), celebrada els dies 19, 20, 21, 22, 23 i 24 d’abril de 2009 a Taipei, (Taiwan), organitzada per l’Institute of Electrical and Electronics Engineers (IEEE).
The work of N.C. Wang was partially supported by National Science Council, Taiwan. (TMS-094-2-A-002).
02-07-2013
Sistemes MIMO
Comunicació sense fil, Sistemes de
MIMO receivers
Systolic array
Lattice reduction
Wireless communications
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