On MIMO capacity for various types of partial channel knowledge at the transmitter

Medles, Abdelkader;Visuri, Samuli;Slock, Dirk T M
ITW'2003, IEEE Information theory workshop, Spring 2003, March 30-April 4th, 2003, Paris, France

For a transmitter that has a perfect knowledge of the MIMO channel, the maximum achievable capacity corresponds to the waterfilling solution. In practice, the available knowledge may only be partial due to the time selectivity of the channel, and delay or absence of the feedback from the receiver. However, exploiting the partial knowledge leads to a significant improvement when compared to the capacity without any channel knowledge. In this paper we analyze the MIMO capacity with various types of partial knowledge of the channel under practical frequency flat channel models.


DOI
Type:
Conférence
City:
Paris
Date:
2003-04-01
Department:
Systèmes de Communication
Eurecom Ref:
1147
Copyright:
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