WLAN: WiFi Basics, Architecture, Protocols, QoS, and Security
Explore WLAN (WiFi) technology, its 802.11 standards, architecture, protocols, QoS, security, and comparison with other wireless technologies.
Showing 25 posts (Page 14 of 14)
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Explore WLAN (WiFi) technology, its 802.11 standards, architecture, protocols, QoS, security, and comparison with other wireless technologies.
Learn the fundamentals of Wireless Local Loop (WLL) for broadband internet, its benefits, frequency bands, and challenges. Understand how WLL provides fixed wireless connections.
Technical guide to X-Band radar architecture. Explore the block diagram, T/R modules, and benefits for high resolution weather and defense imaging.
Explore the X.25 protocol stack, including the physical (X.21), frame (LAPB), and packet (PLP) layers. Learn about frame structure and how these layers ensure robust network communication.
Explore the Z-Wave MAC layer functions, frame types, and key fields such as HomeID, NodeID, and Frame Control, essential for reliable Z-Wave network communication.
Explore the Z-Wave physical layer (PHY) functions, data rates, modulation, and coding schemes. Learn about RF profiles, frame transmission, and link quality.
Explore the Z-Wave protocol stack, including the PHY, MAC, Transport, Network, and Application layers. Learn about frame routing, network topology, and application command classes.
Explore Z-Wave RF PHY conformance tests for device testing, covering transmitter (frequency error, RF data rate, power) and receiver (sensitivity, blocking, turnaround time) measurements.
Explore the basics of Z-Wave security, including message freshness, encryption, data authentication, and the key exchange protocol used in Z-Wave networks.
Explore Z-Wave technology: features, frequency bands, network architecture, frame structure, protocol stack, and security aspects. Ideal for IoT and home automation applications.
Learn about Zigbee 3.0, its key features, protocol stack, security, and benefits for creating interoperable and robust IoT networks.
An overview of the Zigbee AODV routing protocol, including address discovery, route discovery, broadcast transmissions, unicast transmissions, and the AODV algorithm.
Explore Zigbee frequency bands (868 MHz, 915 MHz, and 2450 MHz) and their respective data rates, modulation types, and channel allocations within the ISM bands.
Explore the structure of Zigbee MAC layer frames, including beacon, data, acknowledgment, and MAC command frame formats. Learn about the frame control field and command identifiers.
Learn the fundamentals of Zigbee mesh networks, including topologies, features, advantages, and disadvantages. Explore its role in low-power wireless applications.
Understand the Zigbee physical layer (PHY), including 868/915MHz and 2450MHz formats, modulation techniques, and the PPDU frame structure.
Explore the Zigbee physical layer frame format, focusing on the components of the PPDU, including the preamble, SFD, frame length, and PSDU.
Explore the Zigbee protocol stack's seven layers, from Physical to Application, designed for reliable, low-power IoT communication. Understand each layer's function and architecture.
An overview of Zigbee network architecture, covering basics, frame structure, protocol stack layers, and application layer profiles.
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