摘要 |
<p>In apparatus and a method of transmitting messages in predetermined time slots within fixed length time frames in which the power level of a message received at a receiver is detected. If the power level falls outside one of a series of ranges around a predetermined target power level, then the power level of the next message to be transmitted is adjusted so that the power level of the next message falls within the range. Steps of detection and possible-adjustment are repeated with increasingly fine target ranges of power levels being applied.</p> |