| 摘要 |
In contrast to prior are solutions that conduct an averaging operation to estimate metrics related to a communications channel such as a signal-to-noise ratio, the present invention selects a particular value such as a minimum, maximum, or median value from a distribution of values collected over a selected interval. Selecting a particular value from the distribution of values facilitates a more accurate characterization process and increased data throughput. To reduce the processing burden associated with selecting a particular value, the present invention provides a set of cascaded value selection queues that each selects a particular value from the queued values such as a minimum value. The cascaded queues are also successively sub-sampled to reduce the computing resources required to characterize the communications channel. The estimated metrics resulting from the above-described process may be used to adjust the data encoding process and increase data throughput on the communications channel.
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