b) In Synchronous TDM, the data rate for each input channel is 1X,X:0 bytes/s. If 1 bit at a time is nultiplexed (a unit is 1 bit), show the frame traveling on the link, the size of the frame, the duration of a rame, the frame rate, and the bit rate for the link. [Notes: X.X means last two digits of your Student ID]
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A: Answer:
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A: Here I uploaded handwritten solution for u Hope it helps u
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My id last two digit =32 so x1x2=32
Subject:Datacommunication
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- 1. Calculate the TRIB for the 28,800-bps circuits in the MacKinley company. Assume an average of 1,600 characters per message, with a 1 percent probability of an erroneous transmission. The modems transmit with a 0.2-second turnaround delay. The transmission uses an EBCDIC code. The transmission using 28,800-bps modems use 1 start bit and 1 stop bit, and each message block has 10 control characters, for further error checking. Assume that the data is sent synchronously over the 28,800-bps circuits, using a 1,600-character block, but that each block has 55 control characters. 2. Determine the efficiency of the code on the first question.Assume that, in a Stop-and-Wait system, the length of the line is 10 Km, the volume of the pipe is 5Kbytes, and 1 bit takes 40 milliseconds to make a round trip. What is the bandwidth of the line?Suppose, BanglaLink has 4 voice channels, each of 60Mbps. They use synchronous TDM to multiplex these channels. If 3 characters at a time are multiplexed (3 characters in each output slot), Draw the first two output frames with arbitrary inputs.
- Computer Science A station, transmitting over a medium, employs exponential back-off. The parameters that govern the exponential back-off are CWE = 32, CWmin = 31 and CWmax = 1023. When CW > CWmax, retransmission is aborted. Assuming the slot time is 20 ns and the frame is sent after retransmission of the first frame, determine the maximum delay due to the error recovery time.Unless specified otherwise, use the free space propagation speed of light 3x108 m/s to calculate the propagation delay. For numerical calculations, the results must show the appropriate unit. Show a complete solution for each problem3. Consider a digital multimedia transmission system. Separate audio and video coders are used to encode these signals. Audio and video bits are packed in packets together and transmitted over a transmission link. Each packet is 2,000 bytes long, which includes a 48-byte header. The system generates one packet every 40 ms. Calculate the following values:a. The minimum data transmission rate required to support the above system.b. The minimum signal-to-noise ratio (SNR) in dB required to transmit the above audio and video information. Assume a 400-kHz transmission channel bandwidth is used.c. The end-to-end packet delay over a 50-km link, using answer in Part a).Suppose, BanglaLink has 4 voice channels, each of 60Mbps. They use synchronous TDM to multiplex these channels. If 3 characters at a time are multiplexed (3 characters in each output slot), 1. Draw the first two output frames with arbitrary inputs. 2. What is the size of an output frame in bits? 3. What is the output frame rate? 4. What is the duration of an output frame?
- a. Compute for the data efficiency of transmitting if the data format is a General Synchronous Data Frame. b. For an asynchronous data transmission (wherein 1 byte of data is accompanied by a specific number of auxiliary bits), how many start and stop bits are there if the data efficiency in transmitting is ? The number of start bits is equal to the number of stop bits.Choose the right answer: 1- Shannon Hartley theorem states that a.The channel capacity does not increase as bandwidth increases b.The channel capacity does not become infinite with infinite bandwidth c.The channel capacity becomes infinite with infinite bandwidth d.Channel capacity does not have any tradeoff between bandwidth and Signal to noise ratio 2- In a communication system, data compaction a.reduces error in the data stream b.improves signal transmission efficiency c.provide addition bits for error detection d.increase signal strength to maximum value 3- Each symbol in QPSK modulation scheme consists of a.4 bits b.8 bits c.2 bit d.M number of bits, depending upon the requirementMatch the given baud rate and the number of bits carried by each signal unit (baud rate, bits) with the bit rate. choose between : 1200 , 3600 , 3200 1200, 3 Answer 1 600, 6 Answer 2 1200, 1 Answer 3 600, 2 Answer 4 800, 4 Answer 5
- Data Communication & Computer Network Suppose that Jon's and Jenny's computers are connected by an 8 Kbps link (note, 1 Kbps = 103 bps) that uses circuit switching and that Jon sent some number of bits to Jenny over the link. Suppose that circuit switching on the link connecting Jon’s and Jenny’s computers is implemented using Time Division Multiplexing (TDM), that a frame is 1 sec in duration, and that a frame consists of 16 slots. Jon is assigned one slot in every frame. Considering that it took 12 minutes for Jon to send all bits to Jenny, find how many bits were sent by Jon to Jenny.2.Consider the bit stream 01101101. Draw the waveforms for following line codes.(i)(ii)Biphase Manchester codingBiphase Differential Manchester codingPolar PSEUDOTERNARY(iii)(iv)Multilevel -8B6T(v)Multilevel-2B1Q Assume that the signal level for the most recent preceding 0 bit (pseudoternary) has a negative voltage.Suppose, BanglaLink has 4 voice channels, each of 60Mbps. They use synchronous TDM to multiplex these channels. If 3 characters at a time are multiplexed (3 characters in each output slot), I. Draw the first two output frames with arbitrary inputs. II. What is the size of an output frame in bits? III. What is the output frame rate? IV. What is the duration of an output frame? V. What is the output data rate? VI. Input bit duration? VII. Output bit duration? VIII. Output slot duration?