The New Features of 802.11ac Standard Improving the Corporate Wi-Fi Networks Capabilities (Nowe Cechy Standardu 802.11ac Zwiększającego Możliwości Firmowych Sieci Wi-Fi)

English Abstract: IEEE 802.11ac is the newest Wi-Fi standard, which is working only in 5 GHz radio band. This standard improves and extends 802.11n functionality, i.e. it has more channel bonding, denser constellation (modulation levels) and more spatial streams. Th e new features, introduced in 802.11ac, like multi-user MIMO (MU-MIMO) functionality, standards-based beamforming, RTS/CTS with bandwidth indication and longer aggregated frame are making it very useful in corporate wireless networks. In the article the author analyses the new Wi-Fi features from the point of view of corporate computer network demands.