Radio channel estimation based on ber and rssi

Details Radio channel estimation based on ber and rssi Radio channel estimation based on ber and rssi

H - Electricity

04

B

H04B 17/00 (2006.01) H04L 1/00 (2006.01) H04Q 7/22 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2169332

A radio channel estimation method includes a combination of BER (bit error rate) estimation and RSSI (received signal strength indicator) estimation. The RSSI and the BER are detected from a received signal through a radio channel, and then the radio channel is estimated based on the RSSI and the BER. A quality of the radio channel is estimated to be degraded unless the BER meets a first criterion and the RSSI meets a second criterion. The BER meets the first criterion when an average number of times during a time period that the BER exceeds a maximum value is smaller than a first threshold value. The RSSI meets the second criterion when an average number of times during a time period that the RSSI is below a minimum value is smaller than a second threshold value.

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