Results of Bit Error Measurements with Sensor Nodes and Casuistic Consequences for Design of Energy-Efficient Error Control Sche

For the proper design of energy-efficient error control schemes some insight into channel error patterns is needed. This paper presents bit error and packet loss measurements taken with sensor nodes running the popular RFM TR 1001 wireless transceiver. Some key facts from the measurements are presented and it is evaluated, how energy-efficient selected combined forward error correction (FEC) and automatic repeat request (ARQ) schemes would be over the measured channel. One interesting result is that FEC schemes are less energy-efficient than schemes without FEC, even when the additional energy required to decode a packet is not considered. On the other hand, the energy-efficiency can be improved when retransmissions are postponed for a short time.

• Type: Conference
• Year: 2006
• Where: EWSN
• Authors: Andreas Willig, Robert Mitschke
• Keywords: Channel Error Patterns, Energy-efficient Error Control, EWSN 2006, FEC Schemes, Wireless Networks