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Select the INCORRECT statement about TDMA from the following options.
- a)High transmission rates
- b)Discontinuous data transmission
- c)Single carrier frequency for single user
- d)No requirement of duplexers
Correct answer is option 'C'. Can you explain this answer?
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Select the INCORRECT statement about TDMA from the following options.a...
Time-division multiple access (TDMA):
- This is a channel access method for shared-medium networks.
- It allows several users to share the same frequency channel by dividing the signal into different time slots.
- The users transmit in rapid succession, one after the other, each using its own time slot. This allows multiple stations to share the same transmission medium (e.g. radio frequency channel) while using only a part of its channel capacity.
- TDMA uses different time slots for transmission and reception thus duplexers are not required.
As TDMA allows multiple users to use the channel, so option(3) is the correct answer.
Frequency division multiple access (FDMA):
- FDMA is a channel access method used in some multiple-access protocols.
- FDMA allows multiple users to send data through a single communication channel, such as a coaxial cable or microwave beam, by dividing the bandwidth of the channel into separate non-overlapping frequency sub-channels and allocating each sub-channel to a separate user.
- Users can send data through a sub-channel by modulating it on a carrier wave at the sub-channels frequency.
Code division multiple access (CDMA):
- CDMA stands for Code Division Multiple Access.
- CDMA (Code Division Multiple Access) uses a digital modulation technique called Direct Sequence spread spectrum which spreads voice data over a very wide spectrum using a user or cell-specific pseudo-random codes.
- It is a wireless technology used in the transmission of signals from places with high security and Noise reduction.
- The principle of the spread spectrum is used to work with CDMA.
- CDMA is not frequency specific to each user, instead, every channel uses the full available spectrum.
- Each user in a CDMA system uses a different code to modulate their signal.
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Select the INCORRECT statement about TDMA from the following options.a)High transmission ratesb)Discontinuous data transmissionc)Single carrier frequency for single userd)No requirement of duplexersCorrect answer is option 'C'. Can you explain this answer?
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Select the INCORRECT statement about TDMA from the following options.a)High transmission ratesb)Discontinuous data transmissionc)Single carrier frequency for single userd)No requirement of duplexersCorrect answer is option 'C'. Can you explain this answer? for Electronics and Communication Engineering (ECE) 2024 is part of Electronics and Communication Engineering (ECE) preparation. The Question and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus. Information about Select the INCORRECT statement about TDMA from the following options.a)High transmission ratesb)Discontinuous data transmissionc)Single carrier frequency for single userd)No requirement of duplexersCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Electronics and Communication Engineering (ECE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Select the INCORRECT statement about TDMA from the following options.a)High transmission ratesb)Discontinuous data transmissionc)Single carrier frequency for single userd)No requirement of duplexersCorrect answer is option 'C'. Can you explain this answer?.
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