Optimizing Sensor Networks in the Energy-Latency-Density Design Space
IEEE Transactions on Mobile Computing
Asynchronous wakeup for ad hoc networks
Proceedings of the 4th ACM international symposium on Mobile ad hoc networking & computing
TOSSIM: accurate and scalable simulation of entire TinyOS applications
Proceedings of the 1st international conference on Embedded networked sensor systems
Simulating the power consumption of large-scale sensor network applications
SenSys '04 Proceedings of the 2nd international conference on Embedded networked sensor systems
Random Asynchronous Wakeup Protocol for Sensor Networks
BROADNETS '04 Proceedings of the First International Conference on Broadband Networks
BASS: an adaptive sleeping scheme for wireless sensor network with bursty arrival
Proceedings of the 2006 international conference on Wireless communications and mobile computing
Dual wakeup design for wireless sensor networks
Computer Communications
QoS-aware data reporting control in cluster-based wireless sensor networks
Computer Communications
Query-enabled sensor networks using the cyclic symmetric wakeup design
Wireless Networks
Exploiting routing redundancy using MAC layer anycast to improve delay in WSN
ACM SIGMOBILE Mobile Computing and Communications Review
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We propose a novel routing asynchronous wakeup scheme - Adaptive Wakeup Schedule Function (AWSF), which adapts to deployment topography to support fast routing in sensor networks. Unlike most other wakeup schemes such as the random and cyclic designs, AWSF guarantees hard delay bounds, have better average delays and smaller delay variances, and eliminates the "Lonely Node" problem where nodes wakeup to find no communicable neighbours. Since AWSF assumes complete radio turn-off in the "sleep" mode, it is largely different from most data-centric wakeup schemes where the radio modules are only put to "idle" mode for "data snooping" where real energy savings cannot be achieved. We provide simulation results to support our claims and have implemented our solution on real Crossbow Mica2 motes.