作者: Ron Porat
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摘要: A wireless communication device is configured to perform clear channel assessment (CCA) using one or more CCA levels that are selected based on various criteria. The receives detects packets the medium, and then processes those determine status of channels within frequency bands levels. These may be parameters, different used at times, for channels, etc. Also, portions spectrum, When least determined as being available usage, support communications with other devices via channels.