ECE487 Study Guide - Quiz Guide: Selective Repeat Arq, Automatic Repeat Request, Alohanet

• School: University of Alberta
• Department: Electrical and Computer Engineering
• Course: ECE487

Document Summary

Your last name: ____________________ your fist name: _____________________ Due: wednesday, feb. 12, 2020, 4:00 pm, in the assignment box at 2nd floor - pedway between ice and etlc. Winter 2020: consider that a communication system uses an automatic repeat request (arq) protocol. The distance between the sender and receiver is 6,000,000 meters, and the propagation speed is 3 108 meters per second. We only consider propagation delay and ignore all other delay (and therefore, the transmission time of a frame can be infinitely small). The time-out value of a timer is 1 second. At the sender side, there are an infinite number of packets in layer 3 to be sent. The size of a data frame is 2000 bits. (a) assume stop-and-wait arq is used and no frame is corrupted.