TELECOMMUNICATIONS SYSTEMS
COMMUNICATION WIRELESS COMPUTING DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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MIMO
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Spatial multiplexing
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CSMA/CD
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Orthogonal frequency-division multiplexing
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Detailed explanation-1: -Multiplexing is the process of combining multiple signals into one signal, over a shared medium. If analog signals are multiplexed, it is Analog Multiplexing and if digital signals are multiplexed, that process is Digital Multiplexing.
Detailed explanation-2: -Spatial multiplexing – Spatial multiplexing is achieved by simultaneously transmitting different data streams from different (virtual) antennas. Transmit diversity is typically employed when the transmitter has limited channel knowledge.
Detailed explanation-3: -Spatial multiplexing in wireless communications is based on multi-input and multiple-output (MIMO) technology where multiple antennas at both the transmitter and receiver are used to carry multiple data streams simultaneously within the same frequency band.
Detailed explanation-4: -TDM stands for Time Division Multiplexing. FDM stands for Frequency Division Multiplexing. Signal. TDM works well with both analog as well as digital signals. FDM works only with analog signal.