QoS Mechanism for Low Speed Radio Networks - Case Study

A quick access to information is very important nowadays. Many systems exchange their data via radio links. These radio links are characterized by low bitrates and high bit error rate. In such situation, standard data exchange mechanisms cannot be used. In order to ensure the high quality for data transmission, other mechanisms have to be implemented. Such mechanism should be flexible and should adapt to the prevailing conditions of transmission. They should also allow to achieve optimum usage of the transmission medium. One of such mechanisms is the Battlefield Replication Mechanism. It has been adapted to work on mentioned radio links. This article presents the mechanisms for ensuring the delivery of the data used in the BRM - implemented and tested in practice.