Dynamic frequency selection, or DFS, is moving onto WLAN users’ radars (pun intended) as 802.11n materializes and promises to greatly increase Wi-Fi usage in the 5GHz band. The DFS channel-changing ...
Software-defined radios, or SDRs, persevere as a lively topic of discussion. An SDR enables a given radio to tune to variable frequencies to meet the specifications of different applications and ...