Radar detection method for radio local area networks

Details Radar detection method for radio local area networks Radar detection method for radio local area networks

2006-09-12

2006-09-12

Gesesse, Tilahun (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Noise or interference elimination

C455S226300, C455S067110, C342S057000

Reexamination Certificate

active

07107032

ABSTRACT:
A method of radar detection in a channel for radio local area networks operating in a regulatory band. First, a quiet time and quiet period are set, in which the ratio of the quiet time to the quiet period equals 1:4. The channel is quieted for the quiet time periodically at a rate dictated by the quiet period in order to be tested for radar. During each quiet time, a received power is measured to determine whether it exceeds a predetermined threshold. Radar presence is declared when the received power on that channel exceeds the predetermined threshold.

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IEEE 802 proposal relating to DFS and JPT5G proposal IEEE 802.RR-02/018A-D5 published Jan. 2002.

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