ICC 2012, IEEE International Conference on Communications, June 10-15, 2012, Ottawa, Canada
In practical downlink multiuser MIMO channels, users' channels are non-orthogonal, which results in inter-user interference and in turn degrades system performance. In this paper, a new subspace-domain linear transmit preprocessing technique is proposed in enhancing users' spatial separation and suppressing inter-user interference. We show by simulations that sum rate is significantly improved and its saturation is avoided.
Type:
Conférence
City:
Ottawa
Date:
2012-06-10
Department:
Systèmes de Communication
Eurecom Ref:
3728
Copyright:
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