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Related Concept Videos

Structural Joints: Synovial Joints01:16

Structural Joints: Synovial Joints

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Synovial joints are the most common type of joint in the body. A key structural characteristic for a synovial joint is the presence of a joint cavity. This fluid-filled space is where the articulating surfaces of the bones contact each other. Also, unlike fibrous or cartilaginous joints, the articulating bone surfaces at a synovial joint are not directly connected to each other with fibrous connective tissue or cartilage. This gives the bones of a synovial joint the ability to move smoothly...
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Structural Joints: Fibrous Joints01:03

Structural Joints: Fibrous Joints

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Fibrous joints are a type of joint where the bones are connected by fibrous connective tissue. These joints provide stability and minimal to no movement between the articulating bones. There are three types of fibrous joints.
Suture
All the bones of the skull, except for the mandible, are joined to each other by a fibrous joint called a suture. The fibrous connective tissue found at a suture strongly unites the adjacent skull bones and thus helps to protect the brain and form the face. In...
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Structural Joints: Cartilaginous Joints01:17

Structural Joints: Cartilaginous Joints

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As the name indicates, at a cartilaginous joint, the adjacent bones are united by cartilage, a tough but flexible type of connective tissue. Unlike synovial joints, these types of joints lack a joint cavity and involve bones joined together by either hyaline cartilage or fibrocartilage.
There are two types of cartilaginous joints:
Synchondrosis
A synchondrosis ("joined by cartilage") is a cartilaginous joint where bones are connected by hyaline cartilage. Synchondrosis may be temporary...
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Joints01:26

Joints

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Joints, also called articulations or articular surfaces, are points at which ligaments or other tissues connect adjacent bones. Joints permit movement and stability, and can be classified based on their structure or function.
Structural joint classifications are based on the material that makes up the joint as well as whether or not the joint contains a space between the bones. Joints are structurally classified as fibrous, cartilaginous, or synovial.
Fibrous Joints Are Immovable
The bones of a...
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Stereotype Content Model02:16

Stereotype Content Model

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The Stereotype Content Model (SCM) was first proposed by Susan Fiske and her colleagues (Fiske, Cuddy, Glick & Xu, 2002; see also Fiske, 2012 and Fiske, 2017). The SCM specifies that when someone encounters a new group, they will stereotype them based on two metrics: warmth—or that group’s perceived intent, and how likely they are to provide help or inflict harm—and competence—or their ability to carry out that objective. Depending on the warmth-competence...
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Method of Joints01:30

Method of Joints

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The method of joints is a commonly used technique to analyze the forces in structural trusses. The method is based on the principle of equilibrium, which assumes that the truss members are connected by frictionless pins. The forces at each joint can be determined by considering the equilibrium of the forces acting on that joint.
Since plane truss members are in the same plane, each joint is subjected to a coplanar and concurrent force system. To apply the method of joints, the first step is to...
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Updated: Feb 9, 2026

Creation of a High-Fidelity, Low-Cost, Intraosseous Line Placement Task Trainer via 3D Printing
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Joint Cache Content Placement and Task Offloading in C-RAN Enabled by Multi-Layer MEC.

Haibo Mei1, Kezhi Wang2, Kun Yang3,4

  • 1School of Communication and Information Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China. haibo.mei@uestc.edu.cn.

Sensors (Basel, Switzerland)
|June 8, 2018
PubMed
Summary
This summary is machine-generated.

This study introduces a Joint Cache content placement and task Offloading Solution (JCOS) for Cache and Multi-layer MEC enabled C-RAN (CMM-CRAN). JCOS minimizes latency and energy costs for mobile users by optimizing data caching and task offloading.

Keywords:
Gale-Shaply methodcache content placementpopulation evolution game theoryuser task offloading

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Area of Science:

  • Computer Science
  • Wireless Communication
  • Network Engineering

Background:

  • Mobile edge computing (MEC) and Cloud Radio Access Networks (C-RAN) are crucial for low-latency services.
  • Multi-layer MEC architectures introduce complexities in data caching and task offloading.
  • Existing solutions struggle to efficiently manage data placement and dynamic task allocation in CMM-CRAN.

Purpose of the Study:

  • To develop an integrated solution for optimizing cache content placement and dynamic task offloading in CMM-CRAN.
  • To address the many-to-many matching problem of cache content placement from Service Provider Servers (SPS) to Remote Radio Heads (RRH).
  • To tackle the Multi-Dimension Multiple-Choice Knapsack (MMCK) problem of dynamic user task offloading to the most suitable MEC layer.

Main Methods:

  • Proportional Fairness (PF) user scheduling policy.
  • Gale-Shaply (GS) method for cache content placement.
  • Population Evolution (PE) game theory and Analytic Hierarchy Process (AHP) for dynamic task offloading.

Main Results:

  • The proposed Joint Cache content placement and task Offloading Solution (JCOS) effectively manages CMM-CRAN.
  • Simulation results demonstrate significant reductions in latency and energy consumption for mobile users.
  • The JCOS approach successfully optimizes data caching and task allocation in a multi-layer MEC environment.

Conclusions:

  • CMM-CRAN integrated with JCOS provides highly desirable low-latency communication and computation services.
  • The proposed methods efficiently solve complex cache placement and task offloading challenges.
  • This research offers a practical framework for enhancing mobile edge computing performance.