What Is Communication Channels?
Communication Channel:
Communication channels are physical (Wires) or wireless (Radio frequency) path used equally a transmission medium to comport information betoken betwixt 2 sources. The parameter used to mensurate communication channels are commonly known equally bandwidth (HZ) or information charge per unit of measurement (bit per second). For existent communication it's is mandatory to utilization closed to sort of communication channels. It is divided into 2 categories.
- Guided Medium
- Unguided Medium
Which is farther subdivided given equally follow.
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| Communication Channels |
Guided Medium
By guided medium agency those communication channels that connect sender too receiver through closed to physical media.For example, a copper wire used inwards PSTN is considered equally guided medium. There are iii types of wires are used equally communication channels in the guided medium.
- Twisted Pair Cable
- Coaxial Cable
- Optical Fiber
1- Twisted dyad cable:
Tag: Read to a greater extent than inwards special nearly Optical cable here Unguided Medium:For unguided communication, no physical wires are required betwixt sender too receiver. Wireless is used equally a communication channel. In Such type of communication, antenna plays an of import role. Both transmission too reception are achieved yesteryear agency of an antenna. Following type of communication occurs through Unguided Medium. • Terrestrial Microwave • Satellite Microwave • Broadcast Radio• Infrared • Bluetooth • Wifi • too Much more Reference Book:
1) Data Communications too Networking, Fourth Edition yesteryear Behrouz A. Forouzan 2) Data too Computer Communications Eighth Edition, William Stallings Don't forget to Share this post alongside your friends
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