Tag: retransmission

Beacon Frames Explained: How Wi-Fi Networks Advertise, Synchronize, and Serve Clients

Every Wi-Fi network starts by making itself known. Before a phone, laptop, or IoT device.

Virtual Carrier Sense in Wi-Fi: How the NAV Prevents Wireless Collisions

Wireless devices share the same radio channel, so they need a way to avoid transmitting.

Point Coordination Function (PCF): How It Works in Wi‑Fi Networks

Point Coordination Function (PCF) is a legacy IEEE 802.11 Wi‑Fi medium-access method designed to give.

Complementary Code Keying (CCK): A Guide to 802.11b Wi‑Fi Modulation

Complementary Code Keying (CCK) is a wireless modulation technique best known for enabling the higher.

Go-Back-N ARQ: How the Sliding Window Protocol Works

Go-Back-N ARQ is a reliable data-transfer protocol that lets a sender transmit several frames before.

Selective Repeat Protocol: How It Works, Examples, and Benefits

When a network loses or corrupts a packet, a reliable transport method has to decide.

Transmit Opportunity (TXOP): How It Improves Wi‑Fi Performance

A transmit opportunity, commonly called TXOP, is a controlled window of time in which a.

QoS Traffic Scheduling: Methods, Benefits, and Best Practices

QoS traffic scheduling is the process of deciding which network packets are transmitted first when.

Dynamic Frequency Selection (DFS): How It Works in Wi‑Fi

Dynamic Frequency Selection (DFS) is a Wi‑Fi feature that lets wireless networks use certain 5.

Wireless Broadband: How It Works, Benefits, and What to Consider

Wireless broadband offers high-speed internet access without requiring a physical cable connection directly to your.