Arq May 2026

ARQ is an indispensable tool for achieving reliable digital communication. While Stop-and-Wait is efficient for simple, low-delay networks, Go-Back-N and Selective Repeat are essential for modern high-speed networks. The hybrid approach (HARQ) offers the best balance of efficiency and reliability in modern wireless scenarios.

The sender transmits one frame and waits for an ACK before sending the next. Pros: Simple implementation. ARQ is an indispensable tool for achieving reliable

g., protocol efficiency calculations, equations) or a ? Do youg., mobile networks, satellite)? protocol efficiency calculations

The receiver sends an ACK to confirm the successful receipt of a packet. equations) or a ? Do youg.