Nokia Technologies Oy

Manil Dev Gomony

Mamoun Guenach

Apparatus and method for symbol detection are disclosed. The solution comprises obtaining () multiple-input-multiple-output symbols received over a transmission channel, the symbols comprising a plurality of layers, each layer comprising a constellation point of multiple candidate constellation points, selecting () for each layer a precision, each layer having a precision smaller or equal than the precision of a previous layer and searching () for each layer, utilising the selected precision, the constellation point among the candidate constellation points by minimising a given cost function, utilising a plurality of Arithmetic and Logic Units, ALUs, comprising at least one real and imaginary part, the ALUs of the apparatus comprising real and imaginary part having different precisions by having different number of bits, the data memory and the plurality of ALUs being connected with each other by a data bus of a given width.

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Antwerp, Belgium

Manil Dev Gomony