Patent ID: 7617288
Filing Date: 2009-11-10
Classification: H04L,Y02D

Abstract:
1. A method for changing a transmission rate in an access area, including a transmitting device and at least one receiving device which operates in a master/slave configuration, the transmitting device being configured as a master device and the receiving device being configured as a slave device, comprising: sending a message with a first transmission rate from the master device to the at least one slave device informing the at least one slave device that the transmission rate is to be changed; evaluating the received message in the at least one slave device; carrying out adjustments for changing the transmission rate to a second transmission rate in the at least one slave device based on a result of the evaluation; acknowledging the adjustments with the aid of a first acknowledgement message transmitted at the second transmission rate; acknowledging, via the master device, the reception of the first acknowledgement message to the at least one slave device with the aid of a second acknowledgement message transmitted at the second transmission rate; and maintaining the first transmission rate when one of the two acknowledgement messages does not arrive within a predetermined timeout period.