| 摘要 |
Diversity path signals, each comprising time division multiplexed symbols in a time slot including known symbols constituting a reference signal, are combi ned with respective weights to reduce co-channel interference. The weights are determ ined, from a correlation matrix and a reference signal correlation vector, using a slidin g window starting with synchronization symbols and/or CDVCC (coded digital verificati on colour code) symbols as the known symbols. SINR (signal to interference plus noise ratio) is determined for each window position from elements of the correlation matrix and the reference signal correlation vector. The determined SINRs are averaged throu gh the time slot, over a plurality of time slots, and for the diversity paths to provide an accurate determination of SINR within a short period. The SINR provides a reliable si gnal quality parameter that is useful in a cellular communications system for procedures such as hand-off, adaptive channel allocation, dynamic power control, and cell tiering.</SDOAB >
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