Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Randomized Experiments01:13

Randomized Experiments

8.8K
The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally assigned. Randomization is meant to eliminate selection bias and balance known and unknown confounding factors so that the control group is similar to the treatment group as much as possible. A computer program and a random number generator can be used to assign participants to groups in a way that minimizes bias.
Simple randomization
Simple...
8.8K
Random Variables01:09

Random Variables

17.2K
A random variable is a single numerical value that indicates the outcome of a procedure. The concept of random variables is fundamental to the probability theory and was introduced by a Russian mathematician, Pafnuty Chebyshev, in the mid-nineteenth century.
Uppercase letters such as X or Y denote a random variable. Lowercase letters like x or y denote the value of a random variable. If X is a random variable, then X is written in words, and x is given as a number.
For example, let X = the...
17.2K
Hardy-Weinberg Principle01:49

Hardy-Weinberg Principle

75.8K
Diploid organisms have two alleles of each gene, one from each parent, in their somatic cells. Therefore, each individual contributes two alleles to the gene pool of the population. The gene pool of a population is the sum of every allele of all genes within that population and has some degree of variation. Genetic variation is typically expressed as a relative frequency, which is the percentage of the total population that has a given allele, genotype or phenotype.
75.8K
Random Sampling Method01:09

Random Sampling Method

14.0K
Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. Data are the result of sampling from a population. The sampling method ensures that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest. Among the various sampling methods used by...
14.0K
Law of Independent Assortment02:03

Law of Independent Assortment

62.1K
While Mendel’s Law of Segregation states that the two alleles for one gene are separated into different gametes, a different question of how different genes are inherited remains. For example, is the gene for tall plants inherited with the gene for green peas? Mendel asked this question by experimenting with a dihybrid cross; a cross in which both parents are homozygous for two distinct traits resulting in an F1 generation that are heterozygous for both traits.
62.1K
Propagation of Uncertainty from Random Error00:59

Propagation of Uncertainty from Random Error

1.6K
An experiment often consists of more than a single step. In this case, measurements at each step give rise to uncertainty. Because the measurements occur in successive steps, the uncertainty in one step necessarily contributes to that in the subsequent step. As we perform statistical analysis on these types of experiments, we must learn to account for the propagation of uncertainty from one step to the next. The propagation of uncertainty depends on the type of arithmetic operation performed on...
1.6K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Esketamine and Quality of Life Improvement in Treatment-Resistant Depression Patients: A Real-World Clinical Study.

Journal of clinical psychopharmacology·2025
Same author

Combined CCTA and Stress CTP for Anatomical and Functional Assessment of Myocardial Bridges.

Journal of imaging·2025
Same author

Advancements and Strategies for Selectivity Enhancement in Chemiresistive Gas Sensors.

Nanomaterials (Basel, Switzerland)·2025
Same author

Low-Complexity Automorphism Ensemble Decoding of Reed-Muller Codes Using Path Pruning.

Entropy (Basel, Switzerland)·2025
Same author

Feasibility, Added Value, and Radiation Dose of Combined Coronary CT Angiography and Stress Dynamic CT Myocardial Perfusion Imaging in Moderate Coronary Artery Disease: A Real-World Study.

Journal of cardiovascular development and disease·2025
Same author

p53abn high-risk endometrial cancer with PPP2R1A mutation might not benefit from adjuvant chemotherapy.

American journal of clinical pathology·2025
Same journal

RETRACTED: Zhang et al. A Novel Framework for Reconstruction and Imaging of Target Scattering Centers via Wide-Angle Incidence in Radar Networks. <i>Sensors</i> 2025, <i>25</i>, 6802.

Sensors (Basel, Switzerland)·2026
Same journal

Enhancing Unsupervised Multi-Source Domain Adaptation for Person Re-Identification via Mixture of Experts and Graph-Based Relation.

Sensors (Basel, Switzerland)·2026
Same journal

Development of an Instrumented Glove for Palmar Pressure Assessment in Kayakers.

Sensors (Basel, Switzerland)·2026
Same journal

Development and Experimental Validation of an Autonomous IoT-Based Monitoring System for Real-Time Water Quality Assessment in the Amazon River.

Sensors (Basel, Switzerland)·2026
Same journal

Semi-Supervised Adversarial Learning Framework for Controller Area Network Bus Intrusion Detection.

Sensors (Basel, Switzerland)·2026
Same journal

Smart Optimization Method for Safety Signs in Innovative Manufacturing Environments Integrating Industrial Field IoT Sensors and Knowledge Graphs.

Sensors (Basel, Switzerland)·2026
See all related articles

Related Experiment Video

Updated: Jan 6, 2026

A Tactile Automated Passive-Finger Stimulator TAPS
19:44

A Tactile Automated Passive-Finger Stimulator TAPS

Published on: June 3, 2009

14.1K

A Dynamic Access Probability Adjustment Strategy for Coded Random Access Schemes.

Jingyun Sun1, Rongke Liu2, Enrico Paolini3

  • 1School of Electronics and Information Engineering, Beihang University, 37 Xueyuan Road, Haidian District, Beijing 100191, China. sunjingyun@buaa.edu.cn.

Sensors (Basel, Switzerland)
|October 2, 2019
PubMed
Summary
This summary is machine-generated.

A new dynamic access strategy for coded random access improves network efficiency by adjusting user transmission probabilities. This method effectively resolves medium access control congestion in high-traffic scenarios.

Keywords:
congestionestimationirregular repetition slotted ALOHAmedium access controlrandom accesssuccessive interference cancellation

More Related Videos

Design and Synthesis of a Reconfigurable DNA Accordion Rack
07:44

Design and Synthesis of a Reconfigurable DNA Accordion Rack

Published on: August 15, 2018

7.4K
Inverse Probability of Treatment Weighting Propensity Score using the Military Health System Data Repository and National Death Index
06:55

Inverse Probability of Treatment Weighting Propensity Score using the Military Health System Data Repository and National Death Index

Published on: January 8, 2020

15.0K

Related Experiment Videos

Last Updated: Jan 6, 2026

A Tactile Automated Passive-Finger Stimulator TAPS
19:44

A Tactile Automated Passive-Finger Stimulator TAPS

Published on: June 3, 2009

14.1K
Design and Synthesis of a Reconfigurable DNA Accordion Rack
07:44

Design and Synthesis of a Reconfigurable DNA Accordion Rack

Published on: August 15, 2018

7.4K
Inverse Probability of Treatment Weighting Propensity Score using the Military Health System Data Repository and National Death Index
06:55

Inverse Probability of Treatment Weighting Propensity Score using the Military Health System Data Repository and National Death Index

Published on: January 8, 2020

15.0K

Area of Science:

  • Wireless Communications
  • Network Engineering
  • Information Theory

Background:

  • Medium Access Control (MAC) layer congestion is a significant challenge in high-load wireless networks.
  • Existing random access schemes struggle to efficiently manage network traffic under heavy usage.
  • Successive Interference Cancellation (SIC) offers potential for improved signal recovery but requires optimized access strategies.

Purpose of the Study:

  • To propose a dynamic access probability adjustment strategy for coded random access schemes.
  • To enhance the performance of networks experiencing congestion by controlling the number of transmitting users.
  • To reduce mean-square error (MSE) in estimating the number of transmitting users.

Main Methods:

  • Developed a two-step protocol: estimation of transmitting users and adjustment of access probability.
  • Employed a posteriori information from the SIC process, including residual collision slots and recovered user configurations.
  • Utilized a target load threshold, considering packet loss rate in finite frame length scenarios.

Main Results:

  • The developed estimation algorithm significantly reduced mean-square error (MSE).
  • Simulation results demonstrated remarkable performance of the estimator due to SIC information.
  • The dynamic access probability strategy effectively resolved network congestion states.

Conclusions:

  • The proposed dynamic access probability adjustment strategy is efficient for coded random access.
  • Leveraging SIC information enhances the accuracy of user estimation and network management.
  • This approach offers a robust solution for mitigating MAC layer congestion in demanding network conditions.