ZigBee WiFi Coexistence - Schneider Electrics investigations suggest that WiFi today does not constitute a
threat to satisfactory ZigBee communications in real residential environments.
ZigBee and Wireless Radio Frequency Coexistence - ZigBee is seeing broad adoption by industries which demand products based on standards that deliver long-term stability and feature a solid and competitive supply chain.
"ZigBee Competitive Technology Analysis" Section Summary - Steinbeis-Transfer-Centre for Embedded Design and Networking
Steinbeis-Research Center Wireless Communication
University of Cooperative Education Loerrach - Prof. Dr.-Ing. Axel Sikora