MAC protocols for multi-hop WSNs have to address the challenge of coordinating duty-cycling transmitters with duty-cycling receivers. All the suggested protocols can be classified into three basic paradigms: the synchronization, the preamble and the beaconing paradigm. In this paper, we discuss the suitability of the three paradigms in the context of Energy Harvesting Wireless Sensor Networks (...

BACKGROUND The institution of duty hour reforms by the Accreditation Council for Graduate Medical Education in 2003 has created a learning environment where residents are consistently looking for input from attending physicians with regards to balancing duty hour regulations and providing quality patient care. There is a paucity of literature regarding resident perceptions of attending physicia...

BACKGROUND Residents are stakeholders in the debate surrounding duty hour restrictions, yet few studies have assessed their perspective on their programs' efforts to comply with them. OBJECTIVES This paper explores learners' perceptions of the attributes of their programs in relation to duty hour compliance, and looks for evidence whether residents view duty hour limits as important to patien...