Related Experiment Video
Updated: Jul 13, 2026
06:14
A Method for Investigating Change Blindness in Pigeons (Columba Livia)
Published on: September 7, 2018
Critical behavior of blind spots in sensor networks
Liang Huang1, Ying-Cheng Lai, Kwangho Park
1Department of Electrical Engineering, Arizona State University, Tempe, Arizona 85287, USA.
Chaos (Woodbury, N.Y.)
|July 7, 2007
Summary
This study analyzes blind spots in sensor networks caused by node power cycles. We developed formulas to predict blind spot probability and critical points across various network topologies, aiding network resilience.
Area of Science:
- Network Science
- Information Theory
- Complex Systems
Background:
- Blind spots in sensor networks, where nodes become isolated, are a significant concern for data collection and processing.
- The on-and-off cycling of sensor nodes due to power limitations can create these critical blind spots.
Purpose of the Study:
- To investigate the dynamics and critical behavior of blind spots in sensor networks.
- To understand how network topology and node occupying probability influence the occurrence of blind spots.
Main Methods:
- Developed theoretical formulas to relate blind spot probability to occupying probability for regular, random, and mixed networks.
- Proposed a procedure to estimate the critical point for blind spot occurrence in scale-free networks.
- Utilized theoretical and numerical analyses to study network partitioning dynamics.
Main Results:
- Provided theoretical formulas for calculating blind spot probability and critical points in various network types.
- Established a method for estimating critical points in scale-free networks.
- Demonstrated the dependence of blind spot dynamics on network topology and node occupying probability.
Conclusions:
- The study offers a theoretical framework for understanding and predicting blind spots in sensor networks.
- Findings are applicable to diverse network types beyond sensor networks, including wireless cellular and transportation networks.
- The research provides insights into managing network partitioning issues and enhancing overall network robustness.
Related Concept Videos
01:22Photoreceptors and Visual Pathways
At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category, whereas...
02:30Naturalistic Observations
If you want to understand how behavior occurs, one of the best ways to gain information is to simply observe the behavior in its natural context. However, people might change their behavior in unexpected ways if they know they are being observed. How do researchers obtain accurate information when people tend to hide their natural behavior? As an example, imagine that your professor asks everyone in your class to raise their hand if they always wash their hands after using the restroom. Chances...
02:07Blind Procedures
Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which child was...
01:20Anatomy of the Eyeball
The eye is a spherical, hollow structure composed of three tissue layers. The outer layer — the fibrous tunic, comprises the sclera — a white structure — and the cornea, which is transparent. The sclera encompasses some of the ocular surface, most of which is not visible. However, the 'white of the eye' is distinctively visible in humans compared to other species. The cornea, a clear covering at the front of the eye, enables light penetration. The eye's middle layer, the vascular tunic,...