If you have: SIFS = 20 μSec., DIFS = 400 μSec., Propagation Speed = 2 x 108(m/sec.), Find the maximum packet delay to transfer a data length of (1000 Byte)from C1 to C2.Mux-DMuxdelay = 30 μSecC1AccessPoint50 mC211 Mbps WLAN : IEEE 802.11bFast EthernetSolution:Max. delay = WLAN delay + Ethernet delaySourceDestinationWLAN delay = DIFS delay + 3 SIFS delay + RTS_delay +CTS_Delay + Data transmission delay + ACK_delay마DIFSRTSRTS delay = (RTS Packet length(bit)/ 1 Mbps)+ PropagationdelaySIFSCTSSIFSDataSIFSACKTimeTime

Question: To find the maximum packet delay to transfer a data length of 1000 Bytes from C1 to C2,…

Answered: If you have: SIFS = 20 μSec., DIFS =…

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...

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Q.51 Digital communication system consists of: Information source emitting symbols S₁, S5 with rate fs= 800 [symb/s]. Symbol probabilities are: St $1 S2 $3 SA p(s) 0.29 0.24 0.21 0.14 0.07 $5 5/10 2. Binary encoder performing Huffman coding. 3. Channel can be considered as a binary symmetric channel. Total error probability is 0.18. i) Draw the system block-scheme. ii) Find the entropy and the source information rate. iii) Find the average code word lengh at the encoder output, code efficiency and the compression ratio in the obtained code. iv) Find the probability of ones and zeros at the encoder output. v) Find the channel capacity if the source emites the symbols with maximum possible (allowed) rate.
Q4) a) A binary data stream needs to be transmitted at 4 Mbit/s by means of binary signaling. To reduce ISI, a raised cosine roll-off pulse of roll-off factor r = 1/3 will be used. Determine the minimum required bandwidth for this transmission. b) For the binary sequence 010000101010000011, sketch its HDB3 code.
Q17: Multiple Choice - In the TCP/IP version of the OSI Model, this helps to handle flow control, missing packets, and packets arriving out of order. a. TCP. b. MAC Addresses. c. Multiplexing. d. Encapsulation. e. NAT. f. MAC Frames g. None of the above.
If the sequence 111111 is transmitted using Differential Manchester encoding. what is the ratio of the baud rate (D) to the bit rate (R)?
Again will downvote
7. QPSK modulation, pulse forming raised cosine roll off coefficient a = 0.2, bit rate 200 kbit / s, then signal bandwidth is, A.100kHz B.120kHz C.200kHz D.240kHz
QUESTION 1 Refer to an 8-bit adder in Figure Q.1b. Circuit X is a 4-bit Ripple-Carry Adder and circuit Y is a 4-bit Carry-Look ahead Adder. Assume all FA are implemented using two HA and 1 OR gate, delay for gate XOR = 2t, OR = AND= 1t, carry generate g¡ = 1t, and carry propagate pi =lt. Determine the propagation delay to generate C4, S3, C8, and S7. a74 b7:4 a3:0 b3.0 C8 C4 Y 4 S74 S30 Figure Q.1b Answer: tpd (C4) = tpd (S3) = tpd (C8) = tpd (S7) =
AL=FFh. After INC AL, ZF = a. 0 O b. No change Oc. complement of previous carry O d. 1 The BSR will set or reset any individual bit of Port A in 8255PPI. (TRUE/FALSE) Select one: True False What is the value in AL atter the following program is executed? MOV AL, BSH MOV BL, ASH NOT AL INC AL CMP AL, BL NEG AL
An alternativeapproach that is similar to ADSL; uses coaxial, fiber-optic or twistedpair cable for short distances (300 to1800 meters) a. Very High Bit Rate DSLb. High Bit Rate DSLc. RADSLd. SDSL
Consider a packet switched network, where one packet of size 10000 bits is send from Host A to Destination D, and the datarate of the each link is 2kbps. What will be the end to end delay for one packet? Consider only transmission delay. A R1 D R2 Select one: O a. 2 sec O b. 0.5 sec O c. None O d. 1.5 seC
If you have: SIFS = 20 μSec., DIFS = 400 μSec., Propagation Speed = 2 x 108 (m/Sec.), Find the maximum packet delay to transfer a data length of (1000 Byte) from C1 to C2. C1 50m Access Point 11 Mbps WLAN: IEEE 802.11b 100 m Mux-DMux delay = 30 μSec Fast Ethernet C2

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