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 ?
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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?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?Five 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?
- 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?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 rateIf the signal at the end of a 6km cable has a power value of 2, if you knew that this cable loses 0.5 dB per km (i.e. -0.5 dB/km), then the power of the signal at the beginning of the cable was ..............
- Question No 3. - A) Explain about Multiplexing and Demultiplexing and types of Multiplexing. B) Five channels, each with a 400-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 50 KHz between the channels to prevent interference.Six channels, each with a 200 kHz bandwidth are to be multiplexed using FDM together. What is the minimum bandwidth requirement for the multiplexed path?if you are given alow-pass channel that ends at 40MHz and you knew that the SNR for this channel is 255, then the maximum number of signal levels to be used over this particular channel equal?
- 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??If the received signal level for a particular digital system is -151 dBW and the receiversystem effective noise temperature is 1500 K, what is Eb/N0 for a link transmitting2400 bps?FDM system user to combine 9 tones on a single carrier four of these tones are each 2.5 kHz and modulated SSB on sub-carrier with guard band of 200 Hz. The other is each at 4.2 kHz and are modulated FM on sub-carrier with modulation index of 5 with guard band of 300 Hz. The base band signal is frequency modulated on main carrier with modulation index of 10. calculate the transmission bandwidth of the FDM signal. Assuming 400 Hz as a guard band between SSB and FM sub- .carrier BW=6.812 MHz O BW=9.812 MHZ O BW=7.812 MHZ O BW-5.812 MHz O BW=8.812 MHz O