Five Channels each with a 100 KHz bandwidth are to be multiplexed together using Frequncy division multiplexing(FDM) scheme.What is the minimum bandwidth of the link if there is a need for a guard band of 10 Khz between the channel to prevent interference?
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Five Channels each with a 100 KHz bandwidth are to be multiplexed together using Frequncy division multiplexing(FDM) scheme.What is the minimum bandwidth of the link if there is a need for a guard band of 10 Khz between the channel to prevent interference?
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- Four channels, each with a 150-kHz bandwidth, are to be multiplexed together. What is the minimum bandwidth of the link If there is a need for a guard band of 10 kHz between the channels to prevent interference?A voice channel occupies a bandwidth of 28 kHz 10 voice channels are to be multiplexed together using the FDM (Frequency Division Multiplexing) technique, considering a guard band of 12 kHz. Illustrate the configuration of the multiplexing and demultiplexing using the frequency domain with proper labeling.In ADSL, the OFDM symbol rate across all subcarriers is 4000 symbols per second. Assume that in the downstream direction, 25 subcarriers use 1024-QAM, 50 use 256-QAM, 100 use 64-QAM and 100 use 16-QAM. What is the overall bit rate
- In an FDMA-based multiple access system, each user is assigned an 80 kHz channel for full-duplex communication. There are 1000 channels in total in the system.What is the bandwidth for a single direction (user to base station) according to the information given above??We use modulation in communication system for many reason, one of the reason for using it in AM is: A. The message signal can transmitted faster with modulation compared to the same signal without modulation. B. To attach interference to the modulated signal in order to transmit it through the medium C. The modulator enhance the noise in the modulated signal using a band pass filter D. The modulator allows controlling the phase of the carrier signal, thus controlling the carrier phase. E. To control the demodulator on the receiver and extract a message signal F. To obtain a active transmitting and receiving of the modulated signal through the antennaFive channels, each with a l0a-kHz bandwidth, are to be multiplexed together. What is the minimum bandwidth of the link if there is a need for a guard band of 10kHz between the channels to prevent interference?
- Eight channels, each with a 4 KHz bandwidth are to be multiplexed together. What is the minimum bandwidth of the link if there is need for a guard band of 500 Hz between the channels to prevent interference ?Given a channel with an intended capacity of 20 Mbps, the bandwidth of the channel is 3 MHz. what signal-to-noise ratio is required to achieve this capacity?Types of modulation in which a parameter of a sine-wave carrier signal is varied by a digitalsignal are(a) PAM, PWM, PPM (b) QAM, PAM, ASK(c) FSK, PSK, PPM (d) FSK, ASK, PSK
- I A channel has a frequency range between 3 KHz and 14 KHz. The SNR in this channel is 25 dB. Find the maximum Bit rate of the channel and the Signal levels. [3 marks] For a bit stream "0 1 1 0 0 1 0 1", sketch the waveforms for (i) NRZ-I - (Assume the initial level at time zero is Low) (ii) NRZ-L - (assume 0 as High and 1 as Low) (iii) RZ Encoding – (Assume the initial level at time zero is Low) [3 marks]The differences between Frequency Division Multiplexing (FDM) and Time Division Multiplexing (TDM) are very important to comprehend, and it is necessary that a clear understanding be established between the two. Could you kindly provide me with a report that is just one page long?Time Division Multiplexing (TDM) is shown to have greater performance when compared to Frequency Division Multiplexing (FDM) when it comes to circuit-switched networks.