"A communications system or communication system is a collection of individual telecommunications networks systems, relay stations, tributary stations, and terminal equipment usually capable of interconnection and interoperation to form an integrated whole."
The study of systems that transmit and receive information through electrical signals. Includes digital communication techniques, modulation, and error correction.
Signal Analysis: This topic deals with the analysis of signals, including their amplitudes, frequencies, and phases, to understand the communication system's behavior.
Modulation Techniques: This topic encompasses various techniques used to modulate a signal before transmission, including amplitude modulation, frequency modulation, and phase modulation.
Transmitters: This topic covers the design and operation of transmitters, which convert signals into radio waves that can be transmitted through an antenna.
Channel Models: This topic deals with modeling communication channels, which include wireless channels, optical fiber channels, and satellite communication channels.
Receivers: This topic covers the design and operation of receivers, which demodulate the received signal and convert it back to its original form.
Noise and Interference: This topic deals with the sources of noise and interference in communication systems and the techniques used to minimize their negative effects.
Information Theory: This topic encompasses the mathematical theory of information and its application to communication systems.
Error Control Coding: This topic deals with the use of coding techniques to minimize errors that occur during the transmission and reception of signals.
Multiple Access Techniques: This topic covers various techniques used to allow multiple users to share a communication channel, including time division multiple access (TDMA), frequency division multiple access (FDMA), and code division multiple access (CDMA).
Networking: This topic deals with the design and operation of communication networks, including the Internet and wireless networks.
Digital Signal Processing: This topic covers the use of digital signal processing techniques to process and analyze digital signals.
Spread-Spectrum Techniques: This topic deals with the use of spread-spectrum techniques to spread the signal bandwidth, making it more resistant to interference.
Antennas: This topic covers the design and operation of antennas, which are used to transmit and receive signals.
Laser Communication: This topic covers the use of lasers to transmit data over optical fibers or free space/laser wireless communication.
Microwave Communication: This topic covers the use of microwaves to transmit data over the air or through cables, including microwave links and satellite communication systems.
Radio Frequency Identification (RFID): This topic covers the use of radio waves to read and write data on RFID tags, which are used in various applications, including access control systems and inventory management.
Digital Communications: This topic covers the use of digital signaling to transmit data, including coding techniques and advanced digital modulation schemes.
Wireless Communication: This topic covers various wireless communication protocols and technologies, including Bluetooth, Wi-Fi, and cellular communication.
Optical Communication: This topic covers the use of light to transmit data through optical fibers or free space/optical wireless communication.
Terrestrial Communication Systems: This topic covers different types of terrestrial communication systems, including cable TV and broadband networks.
Analog Communication System: This type of communication system transmits analog signals like sound, voice, and video over a communication channel. The analog signal uses continuous waveform that varies with time.
Digital Communication System: In this type of communication system, signals are represented using binary digits (0 and 1), which are then transmitted over a communication channel. Digital communication is more efficient and offers better quality than an analog communication system.
Satellite Communication System: This type of communication system uses artificial satellites to transmit and receive signals between users on Earth. It is commonly used in television broadcasting, telephone communication, and internet communication.
Microwave Communication System: This communication system uses microwave frequency signals for communication between two points. It is commonly used for point-to-point communication and for remote sensing applications.
Wireless Communication System: Wireless communication systems transmit data over radio frequency signals without the need for physical connections. Examples of wireless communication systems include Bluetooth, Wi-Fi, and cellular networks.
Optical Communication System: This type of communication system uses optical fibers to transmit signals over long distances using light waves. It is commonly used in telecommunications networks.
Landline Communication System: This type of communication system uses physical cables or wires to transmit signals over a communication channel. It is typically used for telephone communication.
Computer Networks: This type of communication system interconnects computer systems and allows data exchange and resource sharing.
Broadcast Communication System: This type of communication system is used for one to many communication, where a single message is transmitted to multiple recipients over a communication channel. Examples of broadcast communication systems include radio and television broadcasting.
Public Address System: This type of communication system uses audio-amplification equipment to amplify sound and distribute it over long distances. It is commonly used in events and public spaces.
"The components of a communications system serve a common purpose, are technically compatible, use common procedures, respond to controls, and operate in union."
"The components of a communications system serve a common purpose..."
"The components of a communications system...are technically compatible..."
"...terminal equipment usually capable of interconnection and interoperation..."
"Telecommunications is a method of communication (e.g., for sports broadcasting, mass media, journalism, etc.)."
"Communication is the act of conveying intended meanings from one entity or group to another through the use of mutually understood signs and semiotic rules."
"...conveying intended meanings from one entity or group to another..."
"...through the use of mutually understood signs..."
"...through the use of semiotic rules."
"Telecommunications is a method of communication..."
"...capable of interconnection and interoperation to form an integrated whole."
"A communications system or communication system is a collection of individual telecommunications networks systems, relay stations..."
"The components of a communications system...use common procedures..."
"A communications system...includes tributary stations..."
"The components of a communications system...are capable of interconnection..."
"The components of a communications system...respond to controls..."
"The components of a communications system...operate in union."
"The components of a communications system...are capable of...interoperation."
"The components of a communications system serve a common purpose..."