Hood: a neighborhood abstraction for sensor networks
Proceedings of the 2nd international conference on Mobile systems, applications, and services
A unifying link abstraction for wireless sensor networks
Proceedings of the 3rd international conference on Embedded networked sensor systems
SpeckMAC: low-power decentralised MAC protocols for low data rate transmissions in specknets
REALMAN '06 Proceedings of the 2nd international workshop on Multi-hop ad hoc networks: from theory to reality
A modular network layer for sensornets
OSDI '06 Proceedings of the 7th USENIX Symposium on Operating Systems Design and Implementation - Volume 7
An adaptive communication architecture for wireless sensor networks
Proceedings of the 5th international conference on Embedded networked sensor systems
A cautionary perspective on cross-layer design
IEEE Wireless Communications
Cross-layer design: a survey and the road ahead
IEEE Communications Magazine
CrossTalk: cross-layer decision support based on global knowledge
IEEE Communications Magazine
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Protocols for wireless sensor networks (WSNs) are very diverse. Reflecting this diversity, no single protocol architecture for WSNs dominates: programmers often modify the legacy-architecture to fit their set of protocols in the stack. However, there exists desirable goals for a sensor network architecture: modularity, flexibility and universality. At the same time, a WSN architecture should enable the protocols to achieve long network lifetimes for various applications. These are, in general, conflicting goals, with the former achieved using layered architectures and the latter obtained through cross-layer interactions. A good balance can be provided by architectures that enable layers to share common information, as these architectures allow for cross-layer protocol improvements, while preventing some of the short-comings of cross-layer designs. Confirming this observation, some architectures that enable information-sharing have been proposed in recent years. We survey these state-of-the-art information-sharing architectures for WSNs, and we introduce X-Lisa, a novel Cross-Layer Information-Sharing Architecture that provides many desirable properties such as flexibility and simplicity, and offers programmers a modular framework, simplifying cross-layer interactions.