• Publications
  • Influence
Range-free localization schemes for large scale sensor networks
TLDR
We present APIT, a novel localization algorithm that is range-free, and study the effect of location error on routing and tracking performance. Expand
  • 2,671
  • 138
  • PDF
MMSN: Multi-Frequency Media Access Control for Wireless Sensor Networks
TLDR
Multi-frequency media access control has been well understood in general wireless ad hoc networks, while in wireless sensor networks, researchers still focus on single frequency solutions. Expand
  • 407
  • 37
  • PDF
TMMAC: An Energy Efficient Multi-Channel MAC Protocol for Ad Hoc Networks
TLDR
This paper presents a TDMA based multi-channel MAC protocol called TMMAC for Ad Hoc Networks that achieves up to 113% higher communication throughput while consuming 74% less per packet energy over the state-of-the-art multi- channel MAC protocols for single-transceiver wireless devices. Expand
  • 210
  • 23
  • PDF
Triage: diagnosing production run failures at the user's site
TLDR
We propose a system, called Triage, that automatically performs onsite software failure diagnosis at the very moment of failure. Expand
  • 152
  • 7
  • PDF
A multifrequency MAC specially designed for wireless sensor network applications
TLDR
We propose MMSN, which takes advantage of multifrequency availability while, at the same time, takes into consideration the restrictions of wireless sensor networks. Expand
  • 37
  • 7
  • PDF
Range-free localization and its impact on large scale sensor networks
TLDR
We present APIT, a novel localization algorithm that is range-free that performs best when an irregular radio pattern and random node placement are considered, and low communication overhead is desired. Expand
  • 265
  • 6
  • PDF
SNTS: Sensor Network Troubleshooting Suite
TLDR
We present SNTS (Sensor Network Troubleshooting Suite), a tool for automated failure diagnosis in sensor networks. Expand
  • 54
  • 6
EnviroStore: A Cooperative Storage System for Disconnected Operation in Sensor Networks
TLDR
This paper presents a new cooperative storage system for sensor networks geared for disconnected operation (where sensor nodes do not have a connected path to a basestation). Expand
  • 69
  • 5
  • PDF
EnviroMic: Towards Cooperative Storage and Retrieval in Audio Sensor Networks
TLDR
This paper presents EnviroMic, a novel distributed acoustic monitoring, storage, and trace retrieval system. Expand
  • 86
  • 5
  • PDF
Sweeper: a lightweight end-to-end system for defending against fast worms
TLDR
The vulnerabilities that plague computers cause endless grief to users. Expand
  • 78
  • 5
  • PDF