Communication Systems Engineering Episode 3 Part 1 ppsx
Communication Systems Engineering Episode 2 Part 1 pptx
... an error EFFECT OF LONG FRAMES 0 2 4 t 1 SN RN 0 1 3 4 3 51 4 5 Window Node A Packets (0 ,3) (1, 4) (3, 6) (4,7) Node B 3 0 1 2 3 4 delivered • Long frames in feedback direction ... Go Back 7 ARQ SN 0 3 4 5 t 1 6 RN 0 1 2 3 5 Window (0,6) (1, 7) (5 ,11 )(2,8) (3, 9) Node A Node B 2 0 5 Packets delivered 0 1 2 3 4 5 • Note that...
Ngày tải lên: 07/08/2014, 12:21
Communication Systems Engineering Episode 2 Part 5 ppsx
... occasionally change 3 2 1 1 1 10 0 – Suppose link between 3 and 1fails (I.e., d 31= infinity) – Node 3 will update D3 = d32 + D2 = 3 – In the next step node 2 will update: D2 = d 23+ D3 = 4 – It will ... called directed arcs. 1 2 3 4 N = {1, 2 ,3, 4} A = { (1, 2), (2 ,1) , (1, 4), (4,2), (4 ,3) , (3, 2)} • Directed walk: (4,2 ,1, 4 ,3, 2) • Directed path: (4,2 ,1...
Ngày tải lên: 07/08/2014, 12:21
Communication Systems Engineering Episode 3 Part 4 pdf
... with generator string 11 0 01, is used to generate a CRC. A) Suppose the data sequence is 11 010 1, what should the CRC be? B) Suppose you receive the sequence 10 011 11, did any errors occur? C) ... Department of Aeronautics and Astronautics 16 .36 : Comm. Sys. Engineering Date Issued: April 17 Problem Set No. 8 Date Due: April 29 Problem 1 Suppose a cyclic code with generato...
Ngày tải lên: 07/08/2014, 12:21
Communication Systems Engineering Episode 2 Part 3 pps
... group transmits (1, 2 ,3, 4) (1, 2 ,3) 4 success collision (2 ,3) collision idle collision (2 ,3) success success Notice that after the idle slot, collision between (2 ,3) was sure to happen ... ( λ ) -1 e Departure rate ge -g 1 g d – What value of g dg n ge − g = e − g − ge − g = 0 () maximizes throughput? g ⇒= 1 – g < 1 => too many idle slots –...
Ngày tải lên: 07/08/2014, 12:21
Dictionary of Engineering Episode 3 Part 1 ppt
... cru- ally having a slenderness ratio between 30 and cible placed in a furnace for heating the blowing 12 0 15 0. { sho ˙ rt ka ¨ lиəm} irons. [ MECH ENG ] 1. A metal block used as shortcoming [ DES ... board fence usually 4 to 10 feet (1. 2 to 3. 0 meters) high, leum-refinery process vessel used in connection with petroleum thermal-cracking coils to furnishplaced about 50 feet (15 met...
Ngày tải lên: 21/07/2014, 15:20