Electronic Communication Systems
The chapter discusses the essential components and functionalities of electronic communication systems, covering various modulation techniques, transmission media, and the architecture of mobile communication systems. It emphasizes the importance of modulation for efficient signal transmission and highlights the structures of AM and FM modulation schemes as well as cellular communication concepts, including GSM systems.
Enroll to start learning
You've not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Sections
Navigate through the learning materials and practice exercises.
What we have learnt
- A communication system consists of a transmitter, channel, and receiver.
- Modulation is crucial for effective signal transmission over long distances.
- AM and FM are key modulation techniques that have distinct advantages and applications.
- Cellular communication utilizes geographical segmentation for efficient frequency reuse.
Key Concepts
- -- Transmitter
- A device that converts and modulates the message signal for transmission.
- -- Receiver
- A device that demodulates and decodes the received signal.
- -- Modulation
- The technique of varying a carrier signal to encode information for transmission.
- -- AM (Amplitude Modulation)
- A modulation technique where the amplitude of the carrier wave is varied in accordance with the message signal.
- -- FM (Frequency Modulation)
- A modulation technique that varies the frequency of the carrier wave according to the message signal.
- -- GSM (Global System for Mobile Communications)
- A standard developed to describe protocols for second-generation digital cellular networks.
Additional Learning Materials
Supplementary resources to enhance your learning experience.