The Transmission Control Protocol (TCP) represents the most deployed transport protocol used in the Internet so far. This popularity motivates its presence in wireless networks, including ad hoc networks. These networks are very promising since they make i
Energy Spent (joule *e-7/bits) Energy spent vs. Paket Size (1 flows) 20NewReno Sack NewReno DASack DA 16 12 8 0 200 400 600 800 1000 1200 1400 1600Paket Size (bytes)
(a)1 ow
Energy Spent (joule *e-7/bits) Energy spent vs. Paket Size (10 flows) 20NewReno Sack NewReno DASack DA 16 12 8 0 200 400 600 800 1000 1200 1400 1600Paket Size (bytes)
(b)10 ows
Fig.3.EnergyConsumption
B.EnergyConsumptionIncludingPacketErrorRateof5%
Owingtoobservetheenergyef ciencyofTCPNewrenoandTCPSACKoveranadhocnetworkincludinglosses,wesimulatedthesamenetworkthatisusedintheprevioussection.Thereisnocongestionbutonlyapacketerrorrateof5%.Figs.4(a)and4(b)illustratetheresultsforpacketsizesof250,500,1000,and1460bytesunder1and10 ows,respectively.Weobtainedthesamegeneralconclusionsthatwehadforthecasewithouterror.Yettheenergyconsumptionincreasedwiththepacketerrorconstraint.DAoptionreducedthespentenergyunderlossesaswell.Fig.4(b)showsthatTCPSACKwithDAperformed