IEEE J Biomed Health Inform - Cross-layer design for prompt and reliable transmissions over body area networks.

Tópicos

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Resumo

In this paper, we propose a cross-layer design to make ambulatory health monitoring via body area networks (BAN) more reliable and robust. The proposed design builds on our centralized body area network access scheme (CBAS), a receiver-initiated medium access control (MAC) scheme that improves the visibility of a BAN in a coexistent environment, where diverse networks with various physical and MAC protocols share the radio spectrum. The design enhances CBAS by incorporating a network layer scheme that improves the packet delivery ratio (PDR), while minimizing the need for multihop cooperative transmissions; thus, packet delay is less compromised to achieve higher PDRs. The MAC layer provides the network layer with local information about the quality of on-body links to enable the BAN to identify the most reliable links in a distributed manner. Extensive experimental results are presented, which give insights on how the proposed cross-layer design improves PDR and packet delay. Results show the effectiveness of the proposed design which takes advantage of dynamic scheduling and multihop relays as warranted by the link conditions.

Resumo Limpo

paper propos crosslay design make ambulatori health monitor via bodi area network ban reliabl robust propos design build central bodi area network access scheme cbas receiveriniti medium access control mac scheme improv visibl ban coexist environ divers network various physic mac protocol share radio spectrum design enhanc cbas incorpor network layer scheme improv packet deliveri ratio pdr minim need multihop cooper transmiss thus packet delay less compromis achiev higher pdrs mac layer provid network layer local inform qualiti onbodi link enabl ban identifi reliabl link distribut manner extens experiment result present give insight propos crosslay design improv pdr packet delay result show effect propos design take advantag dynam schedul multihop relay warrant link condit

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