Device for avoidance and resolution of channel time reservation conflict in distributed wireless mac systems, and reservation system having the same and method therefor

摘要

A data slot reservation system in a distributed wireless personal area network including at least one or more devices. The data slot reservation system includes a first device for broadcasting an extended distributed reservation protocol (DRP) availability information element storing data slot reservation information of at least one neighboring device located in a plutality-hop distance; and a second device for checking reservation states of neighboring devices of the first device by using the extended DRP availability information element, and carrying out a data slot reservation negotiation according to a result of the check. Therefore, the data slot reservation system can avoid reservation conflicts all together, or effectively resolve reservation conflicts when they occur.