The document discusses the emerging field of wireless ATM networks. It notes that both wireless technologies and ATM are still in their infancy, with no standards yet established. The document outlines some key aspects of wireless ATM networks, including using small picocell coverage areas served by base stations connected via a wired ATM backbone. It also discusses challenges like locating mobile units and establishing connections in the network. Overall, the document examines issues in developing protocols for wireless ATM networks to support broadband communications in the future.