| 摘要 |
A decision feedback equalizer has a feedback filter and K feed forward filter branches. Each of the K feed forward filter branches receives an input signal from a corresponding one of a plurality of channels associated with a corresponding one of a plurality of antennas, where K>1. Each of the K feed forward filter branches provides an output. An instantaneous SNR level γk is determined for each of the K feed forward filter branches. The instantaneous SNR level γk for each of the K feed forward filter branches is compared to an upper threshold TH and to a lower threshold TL. The outputs from the K feed forward filter branches are selectively added dependent upon the comparing of the instantaneous SNR level γk for each of the K feed forward filter branches to the upper threshold TH and to the lower threshold TL.
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