A slotted ALOHA channel has an average 10% of the slots idle. a) What is the offered traffic G? b) What is the throughput? c) Is the channel overloaded or underloaded?
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![A slotted ALOHA channel has an average 10% of
the slots idle.
a) What is the offered traffic G?
b) What is the throughput?
c) Is the channel overloaded or underloaded?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fde061867-341a-477e-a51a-be4aff99e46b%2Fd0017f4e-9aff-43f7-8d2f-970fb36d0a31%2Fd54hm0x_processed.jpeg&w=3840&q=75)
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- 2. Consider sender 1 is sending data bit -1 with CDMA code (1, 1, 1, -1, 1, -1, -1, -1) and sender 2 is sending data bit 1 with CDMA code (1, -1, 1, 1, 1, -1, 1, 1). What will be the signal in the channel?I A channel has a frequency range between 3 KHz and 14 KHz. The SNR in this channel is 25 dB. Find the channel capacity of this channel.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.
- 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?What is the channel capacity for a communication channel with a bandwidth of 1 MHz, 1 W transmitted ?power and total noise power of 1 mW 9.97 MHz O 6.645 MHz 1 MHz 1.442 kHzAssume having a low-pass noiseless channel that spans from a Frequency of 0Hz to 130Hz, to send at a bit-rate value that is not less than 1Kbps, then you would at least need ................. signal levels.
- A corporation has a medium with a 7 MHz bandwidth (lowpass). The corporation needs to create 9 separate independent channels each capable of sending at least 12 Mbps. The company has decided to use QAM technology. What is the minimum number of bits per baud for each channel? What is the number of points in the constellation diagram for each channel? Let d = 0In a CSMA/CD network with a data rate of 10 Mbps, the minimum frame size is found to be 512 bits over maximum cable length 2500 m. what should be the maximum cable length if we increase the data rate to 100 Mbps?For data is transmitted over twisted-pair cable, you have these characteristics: A signal's power on the channel is 60 dB, signal attenuation is 2 dB per 100 meters, and average noise power on the cable is 0.15 dB per meter. Answer the following questions: What's the S/N ratio at the end of a 60-meter channel? What's the S/N ratio at the end of a 1.5-kilometer channel? What's the maximum channel length if the receiving device requires at least 25 dB of S/N ratio for reliable operation?
- QUESTION 3: (i) If we need to send 4Mbps over a noiseless channel with a bandwidth of 250 kHz. What is the minimum signal levels do we need? (ii) Assume we want to watch online videos at the rate of 60 frames per second, and each frame has an average size of 400,000 bytes. Calculate the required bit rate for the channel.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?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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