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Low-complexity near-maximum-likelihood detection and precoding for MIMO systems using lattice reduction | IEEE Conference Publication | IEEE Xplore

Low-complexity near-maximum-likelihood detection and precoding for MIMO systems using lattice reduction


Abstract:

We consider the lattice-reduction-aided detection scheme for 2/spl times/2 channels recently proposed by H. Yao and G.W. Wornell (see Proc. IEEE Globecom, 2002). By using...Show More

Abstract:

We consider the lattice-reduction-aided detection scheme for 2/spl times/2 channels recently proposed by H. Yao and G.W. Wornell (see Proc. IEEE Globecom, 2002). By using an equivalent real-valued substitute MIMO channel model, their lattice reduction algorithm can be replaced by the well-known LLL (Lenstra-Lenstra-Lovasz) algorithm (Lenstra, A.K. et al., 1982), which enables the application of the algorithm to MIMO systems with arbitrary numbers of dimensions. We show how lattice reduction can also be favourably applied in systems that use precoding and give simulation results that underline the usefulness of this approach.
Date of Conference: 31 March 2003 - 04 April 2003
Date Added to IEEE Xplore: 04 August 2003
Print ISBN:0-7803-7799-0
Conference Location: Paris, France

References

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