TY - GEN
T1 - Transport layer approaches for improving idle energy in challenged sensor networks
AU - Wang, Yong
AU - Want, Chieh Yih
AU - Martonosi, Margaret Rose
AU - Peh, Li Shiuan
PY - 2006
Y1 - 2006
N2 - Today, the study of energy efficient networking solutions in sensor networks has been focusing on networks with always-on connectivity between communication end-points and short link delays. However, these assumptions are not true for networks with very long propagation delays such as Underwater Sensor Networks (UWSNs) or networks with intermittent connectivity. In such networks, idle energy expenditure, which includes energy spent on node rendezvous and idle waiting, becomes significant, and renders conventional data transport inefficient. In this work, we leverage characteristics that are unique to such networks, i.e., long-delay tolerability and low duty-cycles, to improve idle energy efficiency. To this end, we propose a staged transport protocol, aDapTN, that adopts a store-and-forward transport paradigm with an asynchronous wakeup scheme. We evaluate the idle energy efficiency of our approach through both analysis and simulation. Our results show that aDapTN achieves much better idle energy efficiency than conventional approaches. The increased latency is a function of parameters for node rendezvous, which can be adjusted depending on the application.
AB - Today, the study of energy efficient networking solutions in sensor networks has been focusing on networks with always-on connectivity between communication end-points and short link delays. However, these assumptions are not true for networks with very long propagation delays such as Underwater Sensor Networks (UWSNs) or networks with intermittent connectivity. In such networks, idle energy expenditure, which includes energy spent on node rendezvous and idle waiting, becomes significant, and renders conventional data transport inefficient. In this work, we leverage characteristics that are unique to such networks, i.e., long-delay tolerability and low duty-cycles, to improve idle energy efficiency. To this end, we propose a staged transport protocol, aDapTN, that adopts a store-and-forward transport paradigm with an asynchronous wakeup scheme. We evaluate the idle energy efficiency of our approach through both analysis and simulation. Our results show that aDapTN achieves much better idle energy efficiency than conventional approaches. The increased latency is a function of parameters for node rendezvous, which can be adjusted depending on the application.
KW - Asynchronous wakeup
KW - Challenged sensor networks
KW - DTN
KW - Idle energy
KW - Transport protocol
UR - http://www.scopus.com/inward/record.url?scp=34247369381&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=34247369381&partnerID=8YFLogxK
U2 - 10.1145/1162654.1162663
DO - 10.1145/1162654.1162663
M3 - Conference contribution
AN - SCOPUS:34247369381
SN - 1595933085
SN - 9781595933089
T3 - Proceedings of ACM SIGCOMM 2006 - Conference on Applications, Technologies, Architectures, and Protocols for Computer Communication
SP - 253
EP - 260
BT - Proceedings of ACM SIGCOMM 2006 - Conference on Applications, Technologies, Architectures, and Protocols for Computer Communication
T2 - ACM SIGCOMM 2006 - Conference on Applications, Technologies, Architectures, and Protocols for Computer Communication
Y2 - 11 September 2006 through 15 September 2006
ER -