Communication Channel:
Communication channels are physical (Wires) or wireless (Radio frequency) path used equally a transmission medium to bear information holler for betwixt ii sources. The parameter used to stair out 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 usage or in addition to thus form of communication channels. It is divided into ii 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 in addition to receiver through or in addition to thus physical media.For example, a copper wire used inward 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 couple cable:
Tag: Read to a greater extent than inward especial almost Optical cable here Unguided Medium:For unguided communication, no physical wires are required betwixt sender in addition to receiver. Wireless is used equally a communication channel. In Such type of communication, antenna plays an of import role. Both transmission in addition to 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 • in addition to Much more Reference Book:
1) Data Communications in addition to Networking, Fourth Edition yesteryear Behrouz A. Forouzan 2) Data in addition to Computer Communications Eighth Edition, William Stallings Don't forget to Share this postal service alongside your friends
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