Predictive scheduling approach in Inter-piconet communications

Recent researches in wireless communications have gained ex-traordinary interests, especially in short range wireless commu-nications like Bluetooth, the scientific interests have been fol-lowed up in industry. Bluetooth is a new method for wireless low cost, short range communicating between mobile devices. Originally it was developed as cable replacement. For the time being, it has been used as a mobile ad hoc network, which is intended for both voice and data communications, e.g. voice traffics, TCP/IP data traffics.. . Knowledge on mobile ad hoc network will be in need of studying and applying to Bluetooth. The communication in Bluetooth is based on a frequency hop-ping physical layer and is organized in piconet with a master and a number of slaves. Two and more piconets can overlap coverage areas to form a true mobile ad hoc network, scatter-net. The end-to-end Quality of Service delivered to end users in Bluetooth networks depends on large number of parameters at different levels, e.g. link capacity, packet delays.., which require various control and optimization methods. In this pa-per, an important part of inter-connected communications, inter-piconet scheduling, is mentioned, an approach for the inter-piconet predictive scheduling is highlighted and analyzed and a simulation with bursty traffic sources, IBP, is carried out. The simulation results show that the performance of the Bluetooth network is improved when using the predictive scheduling.