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Consider a CDMA network with two receivers. The codes for these two receivers are as follows:...
O words Question 18 8 pts Consider a CDMA network with two receivers. The codes for...
O words Question 18 8 pts Consider a CDMA network with two receivers. The codes for these two receivers are as follows: mm C, The two receivers receive the following signal from the shared channel: FAR Z Calculate the bit sequence that will be received at each receiver. BIVAAIE # 3 1 1*X, EE 2 v 1 12pt Paragraph
1. For the bit stream 11000110111100010101, sketch the waveforms for the following codes. Assume that the signal level for the proceeding bit for NRZI was high. Nzi:"i". Signal transiti...
1. For the bit stream 11000110111100010101, sketch the waveforms for the following codes. Assume that the signal level for the proceeding bit for NRZI was high. Nzi:"i". Signal transition at beginning of bit time: "0- No signal transition at beginning of bit time. Manchester:"1- low to high: 0- high to low) NRZI The bipolar-AMI waveform representing the binary sequence 0100101011 is transmitted over a noisy channel. The received waveform is shown below. It contains a single error. Locate the position...
Problem #2: (40 points) Consider the following communication link. Both the transmitter and receivers are properly...
Problem #2: (40 points) Consider the following communication link. Both the transmitter and receivers are properly matched to their respective antennas. Assume that the system nominal temperature is 290 K. A detailed block diagram of the receiver is shown in the figure Determine 1. The effective isotropic radiated power in dBm. 2. The space loss in dB 3. The communication link total losses in dB 4. What would be the received power at the receiver input in dBm? 5. What's...
WHAT IS THE ANWER FOR THE TWO QUESTIONS Consider the two 16-bit words (shown in binary)...
WHAT IS THE ANWER FOR THE TWO
QUESTIONS
Consider the two 16-bit words (shown in binary) below. Recall that to compute the Internet checksum of a set of 16-bit words, we compute the one's complement sum of the two words. That is, we add the two numbers together, making sure that any carry into the 17th bit of this initial sum is added back into the 1's place of the resulting sum); we then take the one's complement of the...
(c) Consider a Frequency Hoping (FH) binary orthogonal FSK system carrying speech signal with a cut-off...
(c) Consider a Frequency Hoping (FH) binary orthogonal FSK system carrying speech signal with a cut-off frequency of 3.4 kHz for transmission after undergoing analog- digital conversion process. The following chip sequences for 4 code-division multiple access (CDMA) transmitters are given: A: (-1-1 -1 +1 +1 -1+1+1) B:(-1-1 +1 -1 +1 +1+1-1) C: (-1 +1 -1 +1 +1 +1-1-1) D: (-1 +1 -1-1-1-1+1-1) Assuming A, B and C are simultaneously sending 0, determine the resulting chip sequence in the channel?...
Problem 3: Consider the following transmission system: m, (t) 2 cos 850 m, (t) z(t) 2...
Problem 3: Consider the following transmission system: m, (t) 2 cos 850 m, (t) z(t) 2 cos 2000 m, (t) 2cos 500t M, (0) М,(о) м,(о) 300 -150 150 -300 -200 200 1. Sketch the signal spectra of x (t ) and z (t ) 2. What must be the bandwidth of the channel? 3. Design a receiver to recover the signals mi(t), m2t), and m,(t) from the modulated signal z (t ).
Problem 3: Consider the following transmission system:...
Help me please! Thank you!! 1. Consider the signal set in Figure 1 for binary data...
Help me please! Thank you!!
1. Consider the signal set in Figure 1 for binary data transmission over a channel disturbed by AWGN. The noise is zero-mean and has two-sided PSD No/2. As usual, si(t) is used for the transmission of bit "0" and s2(t) is for the transmission of bit 1." Furthermore, the two bits are equiprobable. Si CC) s2(t) .A 0 Figure 1: A binary signal set, considered in Problem 1 Find and draw an orthonormal basis {фі...
Problem No. 1: Let us consider that a baseband message signal m(t)=4cos(2000xt) has to be transmitted...
Problem No. 1: Let us consider that a baseband message signal m(t)=4cos(2000xt) has to be transmitted from a location 'A' to its destination 'B' using a carrier signal given by c(t)=2cos(10000#t). The signal s() m(t)c(i) is the modulated signal which will be transmitted. Consider that the signal is transmitted through a noiseless channel and received at the receiver at location 'B' as the signal s(t). Based on this information, perform the following tasks. 1. Find, sketch and label the spectrum...
(a) A noiseless 4 kHz channel is sampled every 1 msec and each sample is either...
(a) A noiseless 4 kHz channel is sampled every 1 msec and each sample is either a 0 or 1. What is the maximum data rate? How does the maximum data rate change if the channel is noisy, with a signal-to-noise ratio of 30 dB? (b) A CDMA receiver gets the following chips: (-1 +1 -3 +1 -1 -3 +1 +1). The chip sequences of each station is shown as follows. A = ( -1 -1 -1 +1 +1 -1...
Two signals m1(t) and m2(t), both band-limited to 5000 Hz, are to be transmitted simultaneously over...
Two signals m1(t) and m2(t), both band-limited to 5000 Hz, are
to be transmitted simultaneously over a channel by the multiplexing
scheme shown in the following figure.The signal at point b is the
multiplexed signal, which now modulates a carrier of frequency
20,000 Hz. The modulated signal at point c is transmitted over a
channel.
4. [20 points] Two signals m(t) and m-(t), both band-limited to 5000 Hz, are to be transmitted simultaneously over a channel by the multiplexing scheme...
O words Question 18 8 pts Consider a CDMA network with two receivers. The codes for these two receivers are as follows: mm C, The two receivers receive the following signal from the shared channel: FAR Z Calculate the bit sequence that will be received at each receiver. BIVAAIE # 3 1 1*X, EE 2 v 1 12pt Paragraph
1. For the bit stream 11000110111100010101, sketch the waveforms for the following codes. Assume that the signal level for the proceeding bit for NRZI was high. Nzi:"i". Signal transition at beginning of bit time: "0- No signal transition at beginning of bit time. Manchester:"1- low to high: 0- high to low) NRZI The bipolar-AMI waveform representing the binary sequence 0100101011 is transmitted over a noisy channel. The received waveform is shown below. It contains a single error. Locate the position...
Problem #2: (40 points) Consider the following communication link. Both the transmitter and receivers are properly matched to their respective antennas. Assume that the system nominal temperature is 290 K. A detailed block diagram of the receiver is shown in the figure Determine 1. The effective isotropic radiated power in dBm. 2. The space loss in dB 3. The communication link total losses in dB 4. What would be the received power at the receiver input in dBm? 5. What's...
WHAT IS THE ANWER FOR THE TWO
QUESTIONS
Consider the two 16-bit words (shown in binary) below. Recall that to compute the Internet checksum of a set of 16-bit words, we compute the one's complement sum of the two words. That is, we add the two numbers together, making sure that any carry into the 17th bit of this initial sum is added back into the 1's place of the resulting sum); we then take the one's complement of the...
(c) Consider a Frequency Hoping (FH) binary orthogonal FSK system carrying speech signal with a cut-off frequency of 3.4 kHz for transmission after undergoing analog- digital conversion process. The following chip sequences for 4 code-division multiple access (CDMA) transmitters are given: A: (-1-1 -1 +1 +1 -1+1+1) B:(-1-1 +1 -1 +1 +1+1-1) C: (-1 +1 -1 +1 +1 +1-1-1) D: (-1 +1 -1-1-1-1+1-1) Assuming A, B and C are simultaneously sending 0, determine the resulting chip sequence in the channel?...
Problem 3: Consider the following transmission system: m, (t) 2 cos 850 m, (t) z(t) 2 cos 2000 m, (t) 2cos 500t M, (0) М,(о) м,(о) 300 -150 150 -300 -200 200 1. Sketch the signal spectra of x (t ) and z (t ) 2. What must be the bandwidth of the channel? 3. Design a receiver to recover the signals mi(t), m2t), and m,(t) from the modulated signal z (t ).
Problem 3: Consider the following transmission system:...
Help me please! Thank you!!
1. Consider the signal set in Figure 1 for binary data transmission over a channel disturbed by AWGN. The noise is zero-mean and has two-sided PSD No/2. As usual, si(t) is used for the transmission of bit "0" and s2(t) is for the transmission of bit 1." Furthermore, the two bits are equiprobable. Si CC) s2(t) .A 0 Figure 1: A binary signal set, considered in Problem 1 Find and draw an orthonormal basis {фі...
Problem No. 1: Let us consider that a baseband message signal m(t)=4cos(2000xt) has to be transmitted from a location 'A' to its destination 'B' using a carrier signal given by c(t)=2cos(10000#t). The signal s() m(t)c(i) is the modulated signal which will be transmitted. Consider that the signal is transmitted through a noiseless channel and received at the receiver at location 'B' as the signal s(t). Based on this information, perform the following tasks. 1. Find, sketch and label the spectrum...
Two signals m1(t) and m2(t), both band-limited to 5000 Hz, are
to be transmitted simultaneously over a channel by the multiplexing
scheme shown in the following figure.The signal at point b is the
multiplexed signal, which now modulates a carrier of frequency
20,000 Hz. The modulated signal at point c is transmitted over a
channel.
4. [20 points] Two signals m(t) and m-(t), both band-limited to 5000 Hz, are to be transmitted simultaneously over a channel by the multiplexing scheme...
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