简介:Thispaperpresentsasymmetriccooperationstrategyforwirelesssensornetworks,aimingtoimprovethetransmissionefficiencyofthenetwork.Thecooperationstrategyisimplementedbypartitioningthenodesintoseveralcooperativegroups.Then,ineachgroup,theoptimalcooperativebandwidthallocationisobtainedbasedonRaiffa-KalaiSmorodinskybargainingsolution(RBS).Numericalresultsshowthatthesymmetriccooperationstrategycanimprovethesensornode'stransmissionefficiencydramatically.