Multiuser MIMO systems, worst case noise and transmitter cooperation

The capacity of a cellular MIMO system is limited by the additive white Gaussian noise, intracell interference from the other users within the cell and by intercell interference from users outside the considered cell. The receiver as well as the transmitter have perfect channel state information. We...

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Published inISSPIT 2003 : proceedings of the 3rd International Symposium on Signal Processing and Information Technology : 14-17 December, 2003, Maritim Rhein/Main Hotel, Darmstadt, Germany pp. 166 - 169
Main Authors Bosche, H., Jorswieck, E.A.
Format Conference Proceeding
LanguageEnglish
Published IEEE 2003
Subjects
Channel capacity
Computer aided software engineering
Covariance matrix
Downlink
Interference constraints
MIMO
Minimax techniques
Receiving antennas
Transmitters
Transmitting antennas
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ISBN9780780382923
0780382927
DOI10.1109/ISSPIT.2003.1341086

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Summary:The capacity of a cellular MIMO system is limited by the additive white Gaussian noise, intracell interference from the other users within the cell and by intercell interference from users outside the considered cell. The receiver as well as the transmitter have perfect channel state information. We are interested in the limits of the MIMO channel capacity under the different types of noise plus interference. Therefore, we consider three scenarios in which the noise is subject to different constraints. In all scenarios the achievable capacity of the MIMO system with worst case noise is equal to the capacity of some MIMO system in which either the channels are orthogonal or the transmit antennas are not allowed to cooperate. Furthermore, the minimax expressions fulfill a saddle point property.
ISBN:9780780382923
0780382927
DOI:10.1109/ISSPIT.2003.1341086