Thomas Kunz
Systems and Computer Engineering
2
MANET: Characteristics and Challenges
nAd-Hoc Networks, radio communication, multi-hop connections
nRouting protocols (AODV, DSR, OLSR) typically find shortest path (minimum hop count), though a range of other metrics (ETX, maximum throughput, minimum energy consumption, etc.) have been explored as well
nNetwork bandwidth is scarce:
ØLimited by wireless technology
ØSelf-interference of single-radio multi-hop communication reduces end-to-end bandwidth for single flows
ØAll nodes share common media: interference, collisions, back-offs
nQuestion: how well do routing protocols utilize scarce wireless bandwidth?