This paper describes a medium access protocol for real-time communication in wireless networks. Medium access is controlled by a scheduler, which utilizes a pre-emptive earliest deadline first (PEDF) scheduling algorithm. The scheduler prevents collisions in the network, where normally only collisions are avoided. PEDF is the scheduler of choice, because it has excellent properties with respect to bandwidth utilization, dynamic behaviour and feasibily analysis. The scheduler can be deployed in managed networks, where it resides in the base station, as well as in peer to peer or ad hoc networks, were it is distributed over the stations. The protocol is simulated and an implementation based on IEEE 802.11b is realized.
|Publisher||Tampere university of Technology|
|Period||1/01/00 → …|
- CAES-PS: Pervasive Systems