<Li> IEEE 802.15. 4 (Wireless PAN) uses CSMA / CA </Li> <Li> NCR WaveLAN--an early proprietary wireless network protocol </Li> <Li> The ITU - T G.hn standard, which provides a way to create a high - speed (up to 1 Gigabit / s) local area network using existing home wiring (power lines, phone lines and coaxial cables), uses CSMA / CA as a channel access method for flows that don't require guaranteed quality of service, specifically the CSMA / CARP variant . </Li>

The state of ca uses a mechanism known as