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Wi-Sleep: Contactless Sleep Monitoring via WiFi Signals

It is shown that with off-the-shelf WiFi devices, fine-grained sleep information like a person's respiration, sleeping postures and rollovers can be successfully extracted.
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Energy-Efficient Opportunistic Routing in Wireless Sensor Networks

This paper presents an energy-efficient opportunistic routing strategy, denoted as EEOR, and extensive simulations in TOSSIM show that the protocol EEOR performs better than the well-known ExOR protocol in terms of the energy consumption, the packet loss ratio, and the average delivery delay.
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A Framework for Partitioning and Execution of Data Stream Applications in Mobile Cloud Computing

This work studies the computation partitioning, which aims at optimizing the partition of a data stream application between mobile and cloud such that the application has maximum speed/throughput in processing the streaming data.
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Multicast capacity for large scale wireless ad hoc networks

This paper derives matching asymptotic upper bounds and lower bounds on multicast capacity of random wireless networks and provides a constructive lower bound Ω(√<i>n</i> over √(i>k</i) dot <i>W</i>) for aggregated multicast Capacity when the authors can carefully place nodes and schedule node transmissions.
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Electronic frog eye: Counting crowd using WiFi

FCC, a device-Free Crowd Counting approach based on Channel State Information (CSI), is presented and a metric, the Percentage of nonzero Elements (PEM) in the dilated CSI Matrix is proposed, which can be explicitly formulated by the Grey Verhulst Model.
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A Delay-Efficient Algorithm for Data Aggregation in Multihop Wireless Sensor Networks

An efficient distributed algorithm is proposed that produces a collision-free schedule for data aggregation in WSNs and it is theoretically proved that the delay of the aggregation schedule generated by the algorithm is at most 16R + Δ - 14 time slots.
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Canopy closure estimates with GreenOrbs: sustainable sensing in the forest

GreenOrbs is presented, a wireless sensor network system and its application for canopy closure estimates that outperforms the conventional approaches for canopyclosure estimates by incorporating a pre-deployment training process as well as a distributed calibration method.
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Efficient data aggregation in multi-hop wireless sensor networks under physical interference model

An efficient algorithm is proposed that produces a data aggregation tree and a collision-free aggregation schedule that theoretically proves that the latency of the aggregation schedule is bounded by O(R + Delta) time-slots, and derives the lower-bound of latency for any aggregation scheduling algorithm under the physical interference model.
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Contactless Respiration Monitoring Via Off-the-Shelf WiFi Devices

This paper shows that with off-the-shelf WiFi devices, fine-grained respiration information of a person under different sleeping positions can be extracted successfully and introduced a breath monitoring system based on WiFi signals.
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On Designing Data Quality-Aware Truth Estimation and Surplus Sharing Method for Mobile Crowdsensing

This paper proposes a quality-based truth estimation and surplus sharing method for crowdsensing using an unsupervised learning approach to quantify the users’ data qualities and long-term reputations, and exploits an outlier detection technique to filter out anomalous data items.
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