info:eu-repo/grantAgreement/FCT/FARH/SFRH%2FBD%2F66803%2F2009/PTBolsa de Doutoramento FCT: Innovative Energy-Efficient Wireless Sensor Network Applications and Mac Sub-Layer Protocols Emplyoying Rts/Cts With Packet Concatenation [SFRH/BD/66803/2009]SFRH/BD/66803/2009