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Related Concept Videos

Communication01:03

Communication

Communication between two animals occurs when one animal transmits an information signal that causes a change in the animal that receives the information. Organisms communicate with one another in a host of different ways. Signals can be auditory, chemical, visual, tactile, or a combination of these. Communication is a critical behavioral adaptation that promotes survival, growth, and reproduction.
Communication01:28

Communication

Sharing information, concepts, and emotions to foster mutual understanding is communication. The sender, recipient, and transaction must be considered in this manner. The sender is the person who shares the message, the recipient is the person who receives and understands the message, and the transaction is the method used to deliver the message and the variables that affect the communication's context and surroundings. The nurse-client connection is built on therapeutic communication.
Within...
Levels of Communication II: Organizational, Public, and Group Dynamics01:27

Levels of Communication II: Organizational, Public, and Group Dynamics

Effective communication is the foundation of a good organization. Communication is the lifeblood of an organization that connects the group with messages. In an organization, communication occurs in upward, downward, and horizontal lines. Downward communication travels from the administrative and senior levels to the staff through official channels such as manuals, rules and regulations, and organizational charts. Staff members initiate upward communication, which is addressed to executives and...
Barriers to Effective Communication I01:30

Barriers to Effective Communication I

A communication barrier is any distortion or interruption during a conversation, resulting in miscommunication of the message. A good communicator should know these barriers and continuously check for the listener's understanding by obtaining feedback.
Communication barriers include the following:
Physiological barriers: They are limitations caused by a person's health condition or disability, such as hearing loss, poor eyesight, illness, or unconsciousness. An example to overcome this barrier...
Barriers to Effective Communication II01:21

Barriers to Effective Communication II

The barriers to effective communication also include cultural barriers, semantic barriers, gender barriers, and time constraints.
Cultural barriers:
Differences in values, beliefs, religion, knowledge, and tradition can significantly impact communication. Awareness of nonverbal cues is critical, especially when conversing with a patient from a different culture. What appears appropriate in one culture may be inappropriate in another.
Semantic barriers:
As a result of their tendency to use...
Factors Influencing Attraction V: Social Skills01:29

Factors Influencing Attraction V: Social Skills

Social skills play a crucial role in shaping interpersonal interactions and enhancing individuals' ability to navigate various social environments successfully. These skills contribute to personal and professional success, influencing how others perceive and treat individuals. High social skills provide distinct advantages in numerous settings, including romantic relationships, politics, and legal proceedings. In courtroom settings, for instance, defendants who exhibit strong social skills are...

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Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
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Communication through a diffusive medium: coherence and capacity

Moustakas1, Baranger, Balents

  • 1Bell Labs, Lucent Technologies, 700 Mountain Avenue, Murray Hill, NJ 07974, USA. Department of Physics, Duke University, Durham, NC 27708-0305, USA. Department of Physics, University of California, Santa Barbara, CA 93106, USA.

Science (New York, N.Y.)
|January 15, 2000
PubMed
Summary
This summary is machine-generated.

Interference in disordered media impacts information transfer rates between antenna arrays. Scattering effects are crucial for understanding wireless communication information capacity.

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Area of Science:

  • Physics
  • Information Theory
  • Electromagnetics

Background:

  • Coherent wave propagation in disordered media causes phenomena like universal conductance fluctuations and speckle patterns.
  • Understanding wave interference is key to analyzing signal behavior in complex environments.

Purpose of the Study:

  • To investigate how electromagnetic wave interference affects information transmission rates between antenna arrays in diffusive media.
  • To explore the relationship between scattering properties of the medium and information capacity.

Main Methods:

  • Combined the theory of electromagnetic wave propagation in diffusive media with information theory.
  • Analyzed the impact of interference on information capacity based on antenna array characteristics.

Main Results:

  • Found nontrivial dependencies of information capacity on antenna array dimensionality and orientation relative to the scattering medium.
  • Demonstrated that interference significantly influences the information transmission rate.

Conclusions:

  • Scattering plays a critical role in information transfer through wireless communication channels.
  • The study provides a physical framework for optimizing information capacity in the presence of scattering.