EBK COMPUTER NETWORKING
7th Edition
ISBN: 8220102955479
Author: Ross
Publisher: PEARSON
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Chapter 7, Problem P10P
a.
Program Plan Intro
LTE:
- The LTE is the combination of time division multiplexing and frequency division multiplexing on the downstream channel.
- In LTE, every mobile node is allocated one or more 0.5 ms time slots in one or more of the channel frequencies.
Given:
The A, B, C and D are the four nodes are reachable from the base station at rates of 10 Mbps, 5 Mbps, 2.5 Mbps and 1 Mbps on the downstream channel. The base station can send more amount of data to any of the node among these four nodes using F frequencies.
b.
Program Plan Intro
LTE:
- The LTE is the combination of time division multiplexing and frequency division multiplexing on the downstream channel.
- In LTE, every mobile node is allocated one or more 0.5 ms time slots in one or more of the channel frequencies.
Given:
The A, B, C and D are the four nodes are reachable from the base station at rates of 10 Mbps, 5 Mbps, 2.5 Mbps and 1 Mbps on the downstream channel. The base station can send more amounts of data to any of the node among these four nodes using F frequencies.
c.
Program Plan Intro
LTE:
- The LTE is the combination of time division multiplexing and frequency division multiplexing on the downstream channel.
- In LTE, every mobile node is allocated one or more 0.5 ms time slots in one or more of the channel frequencies.
Given:
The A, B, C and D are the four nodes are reachable from the base station at rates of 10 Mbps, 5 Mbps, 2.5 Mbps and 1 Mbps on the downstream channel. The base station can send more amounts of data to any of the node among these four nodes using F frequencies.
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Consider two nodes, A and B are attached to opposite ends of an 1200 meter cable with signal propagation speed is 2 x 10^8 m/sec. Frame size used by both nodes is 1500 bits including header and preambles. Assume transmission rate is 100 Mbps and there are four switches between node A and B each insert 20 bit delay as a processing time in addition to store and forward delay. If only A has packet to send, then the time taken to reach A's packet at B is?
Question 6:
Consider a 5 Km, 10Mbps, shared Ethernet segment running CSMA/CD protocol with Station A at one end, Station D at the other, and Stations B and C equally spaced between A
and D. Assume bits propagate through the link at speed 200,000Km/sec; and assume the frames sent on this segment have all 10,000 bytes.
A
B
с
D
a) If A sends a frame to D, what is the transmission time of this frame? Show your detailed work
b) What is the efficiency of the CSMA/CD protocol used in this LAN? Show your detailed work
Consider a full-duplex 512 kbps link with length 36,000Km connecting two hosts. The data frames carry a useful payload of size 6000 bits. Assume that both ACK and data frames have 400 bits of header information, and that ACK frames carry no data. The propagation speed along this link is 3×108 m/sec. a) What is the RTT on this link? b) What is the effective useful data throughput, in kbps, when using Stop-and-Wait?
Chapter 7 Solutions
EBK COMPUTER NETWORKING
Ch. 7 - Prob. R1RQCh. 7 - Prob. R2RQCh. 7 - Prob. R3RQCh. 7 - Prob. R4RQCh. 7 - Prob. R5RQCh. 7 - Prob. R6RQCh. 7 - Prob. R7RQCh. 7 - Prob. R8RQCh. 7 - Prob. R9RQCh. 7 - Prob. R10RQ
Ch. 7 - Prob. R11RQCh. 7 - Prob. R12RQCh. 7 - Prob. R13RQCh. 7 - Prob. R14RQCh. 7 - Prob. R15RQCh. 7 - Prob. R16RQCh. 7 - Prob. R17RQCh. 7 - Prob. R18RQCh. 7 - Prob. R19RQCh. 7 - Prob. R20RQCh. 7 - Prob. R21RQCh. 7 - Prob. R22RQCh. 7 - Prob. R23RQCh. 7 - Prob. P1PCh. 7 - Prob. P2PCh. 7 - Prob. P3PCh. 7 - Prob. P5PCh. 7 - Prob. P6PCh. 7 - Prob. P7PCh. 7 - Prob. P8PCh. 7 - Prob. P10PCh. 7 - Prob. P11PCh. 7 - Prob. P12PCh. 7 - Prob. P13PCh. 7 - Prob. P14PCh. 7 - Prob. P15PCh. 7 - Prob. P16P
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