We need to send 210,000 bits per second over a noiseless channel using 128- QAM. Determine the required bandwidth.
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c)
iii) We need to send 210,000 bits per second over a noiseless channel using 128- QAM. Determine the required bandwidth.
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- Two M-QAM modulation schemes, 16-QAM and 64-QAM, having equal error performance (I.e same value of Pbe). SNR-13 dB 16-QAM system. Calculate the E/N, in 64-QAM system. Compare the results. What are the maximum transmission rate (free from ISI problem) in both modulation schemes? Assume B=20 kHz.Why SSB is preferred for transmission of good quality signalTwo M-QAM modulation schemes, 16-QAM and 64-QAM, having equal error performance (i.e same value of Pbe). SNR=10 dB in 16-QAM system. (a) Calculate the Eb/No in 64-QAM system. Compare the results. (b) What are the maximum transmission rate (free from ISI problem) in both modulation schemes? Assume B=20 kHz.
- A PCM-TDM system multiplexes 24 voice-band channels. Each sample is encoded into seven bits, and a framing bit is added to each frame. The sampling rate is 10000 samples per second. BPRZ-AMI encoding is the line format. Determine the line speed in bits per second. Upload3. Some GPS receivers use 1 bit ADCS (Analog-to-digital Converters) to sample and quantize the signal i.e. the output of the ADC is simply 2 quantization levels: -1 or +1. This is typically done to save on power. (a) What is the quantization SNR? How does it compare to typical thermal noise SNR of a GPS signal before correlating with the CDMA code? (b) Justify, how come it is possible to sample the signal using a single bit and still get good performance.What are the data rate limits? Calculate the maximum bit rate of noiseless channel with a bandwidth of 4000 Hz transmitting a signal with three signal levels.
- Solve in digital formatMention the basic modulation schemes used in analog communications.which of the following requirement must be met for fast communicationt A.High sampling rate B.High transmitter power C.high channel capacity D. Large signal bandwihGiven that the base address is FoH. 1. Create a new asm project “Lab2_Q1.asm". Assume that port A of 8255A PPI is connected to 8085. Write assembly code to send the value of FFH to FoH. Enter a delay of 2 ms for each transmission.
- Answer all questions below: 1. Draw the general block diagram of Frequency Division Multiplexing (FDM) 2. Multiplexing is a technique that allows the (simultaneous) transmission of multiple signals across a single data link. Figure Q2 below shows a multiplexer with four 500 kbps data stream inputs and 1 data stream output where the unit of data is 1 bit. Determine: i. ii. iii. 500 kbps The type of multiplexing technique used. The input bit duration. The output bit rate. 500 kbps 500 kbps. 500 kbps. ... ... ... 1 0 1 0 1 0 1 0 0000 1 1 1 1 0 1 0 0 MUX Figure Q2 Frames 0101 0001 110100010101For a ______ channel, the Nyquist bit rate formula defines the theoretical maximum bit rate. a. noisy b. noiseless c. bandpass d. low-passSee the figure below for Manchester scheme on CH-1 of Scope. Write the corresponding input bit stream. DE