| 摘要 |
The invention relates to a method of operating a wireless communications device, particularly a receiver (20), wherein a noise plus interference covariance matrix is estimated, preferably depending on a received signal (yref), to obtain an estimated noise plus interference covariance matrix (Rni_est), wherein a quality measure (m) for said estimated noise plus interference covariance matrix (Rni_est) is determined (200) depending on said estimated noise plus interference covariance matrix (Rni_est).
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