Q1 A message of length 6500 bits is to be sent on a wide area network (WAN) with 5 hops. Each link in the network has a maximum capacity equal to 9600 bps. Data is sent on the network by using fixed packet size of 128 bytes. Assuming the propagation delay per hop is 0.002 s and the call set-up time is 0.1s, (a) (b) Calculate the end-to-end delay incur to transmit the whole message on circuit switched network; Calculate the end-to-end delay incur to transmit the whole message on datagram and virtual circuit packet switching network;

Q1 A message of length 6500 bits is to be sent on a wide area network (WAN) with 5 hops. Each link in the network has a maximum capacity equal to 9600 bps. Data is sent on the network by using fixed packet size of 128 bytes. Assuming the propagation delay per hop is 0.002 s and the call set-up time is 0.1s, (a) (b) Calculate the end-to-end delay incur to transmit the whole message on circuit switched network; Calculate the end-to-end delay incur to transmit the whole message on datagram and virtual circuit packet switching network;

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

b) An 10 bits single channel PCM system gives an output of 102 kilo bit per second(kbps). Calculate: i. The sampling frequency of the system. ii. The highest possible modulating frequency of the system. iii. The bit duration of the system. iv. The Bandwidth of the system.
The following data are transmitted in a serial communication system (P is the parity bit). What parity is being used in each case? a. ABCDEFGHP = 010000101 b. ABCDEFGHP = 011000101 c. ABCDP = 01101 d. ABCDEP = 101011 e. ABCDEP = 111011
Question 3 For the network 129.120.0.0/16. How many 129.120.0.0/24 subnets exist? (numeric response) 1. How many bits are in the subnet portion? (numeric response) 2. Subnet number range is from: to: (only provide the third subnet octate) 3. How may bits are in the host portion? (numeric response) 4. Host address range is from: to: (only provide the fourth host octate) 5. Network number for first subnet is (provide full ip address with mask) 6. Broadcast address for fırst subnet is 7. Netmask for 129.120.0.0/24 is:
3. Determine the implementation complexity of Time - Space (TS) switch where the number of Time Division Multiplexing input lines N = 65. Assume each input line contains a single DS1 signal (24 channels) and one stage matrix is used for space stage.
Exercise (3): A modem transmits using an 4-level signaling technique. If each signaling element has duration of 0.5ms. (a) Show the timing-diagram for a data stream 10111000111100010011 (b) Find the baud Rate and the bit Rate (c) How could you duplicate the transmission speed? Show the timing-diagram for a given data stream in (a). (d) How many bits per level are required if a modem using 7-level signalling mode? Exercise (4): A device is sending out data at the rate of 1000 bps. a. How long does it takes to send out 10 bits? b. How long does it take to sent out a single character (8bits)? c. How long does it take to send a file of 100,000 characters?
Consider the data sequence 10000011000010 Encode the sequence using HDB3. A digital link uses a channel that can convey frequency from dc to B Hz. Suppose the line coding NRZ Polar is used to send a maximum data rate of 100 Mbits/s using raised cosine pulse with roll-factor a = 0.6. (i) What is the symbol rate of the code? (ii) What is the minimum value of B?
Q4. Consider the QPSK digital modulation scheme (a) What does the abbreviation QPSK stand for? (b) Sketch an I-Q constellation diagram for this modulation scheme. (c) State the number of bits per symbol. (d) If the bit rate that is achieved with this modulation scheme is 128 Mbit s-, what is the baud (symbol) rate?
The "bubbles" at the outputs of the 7442 decoder mean this IC has active _____ (HIGH, LOW) outputs.
Question 5: a) In the context of WCDMA, answer the following questions: What is the chip rate of WCDMA? i. ii. What is the duration for WCDMA frame? iii. For the figure shown below, what is the spreading factor? Symbol iv. V. vi. vii. Data Spreading code Spread signal Datax code Spreading What is the corresponding processing gain? For the figure shown below, what is the multiplexing mode used? Uplink Downlink Frequency Time WCDMA has a frequency reuse of 1 between different cells. What does that mean? If fast fading occurs when the path difference between two received signals is half wavelength. Calculate the path difference at a frequency equals to 2 GHz.
Write an ALP to transfer the message “CORONA” serially at 2400 baud rate, 8-bit data, 1- stop bit. Do it continuously.
1) Assume that a circular cell has 57 channels and a cell radius of 10 km. The transmit power of the base station in this cell is 32 W. The path loss exponent in this cell is assumed to be 4. The grade of service is established to w be a probability of blocking of 5% (assuming blocked calls are cleared). Assume the average call length is two minutes, and each user averages two calls per hour. Further, assume the cell has just reached its maximum w m w m m capacity and must be split into four new microcells to provide four times the capacity in the same area. a) What is the curent user capacity of this cell? wwwm ww m w b) What is the radius and transmit power of the new cells? wwwwww wwwwwm www wwwwwwwwg vwww c) How many channels are needed in each of the new cells to maintain frequency reuse stability in the system? d) If traffic is uniformly distributed, what is the new traffic carried by each new cell? Will the probability of wwwww vww m vww vwwwww wv wwww wwww www wwm w blocking in…
Which of the following statements are appropriate for the SPI bus (select all that apply): SCLK is asserted by the Master. Any device can be ther Master, but not at the same time. There is no handshake between Master and Slave during a transfer. SPI is half duplex