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English (United Kingdom)

The Impact of the user's Body on the Performance of a MIMO Terminal in "Pocket Position"

Έτος: 2007
Τύπος δημοσίευσης: Συνέδριο Λέξεις-κλειδί: MIMO communication , antenna arrays , antenna radiation patterns , channel capacity , covariance matrices , notebook computers , receiving antennas
Book title: 2nd European Conference on Antennas and Propagation (EUCAP 2007)
Pages: 1-7
Month: 11-16 November
In this paper the impact of user's body in proximity to a multiple-input-multiple-output (MIMO) terminal on the system performance is investigated. A 4times4 MIMO system is considered with a personal digital assistant (PDA) terminal equipped with a compact array of 4 patch elements. The radiation pattern of each antenna element is simulated in the presence of the other elements and in the presence of a user's body. The obtained patterns are used to evaluate the covariance matrix of the receive antenna array which is incorporated in a correlation-based MIMO channel model. MIMO channel capacity is calculated to demonstrate the capacity degradation caused by the user's body.