WiMAX Physical Layer: Understanding the OFDM Implementation
Explore the WiMAX OFDM physical layer (IEEE 802.16-2004), TDD frame structure, transmitter block diagram, modulation-code rates, and module functions.
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Showing 351-375 of 442 articles in this archive.
WiMAX MAC Protocol: An In-Depth Introduction
Explore the WiMAX MAC protocol, covering convergence, common part, and security sub-layers. Learn about frame structure, scheduling, MAC layer messages, and network entry procedures.
WiMAX Network Architecture and its Interfaces
Explore the WiMAX network architecture, including SS/MS, BS, ASN, and CSN components. Learn about key interfaces like Air, R3, R4, R5, R6, and R8.
WiMAX Protocol Stack: Layers and Functions
Explore the WiMAX protocol stack, including the physical, MAC, and upper layers. Learn about their functions and how they enable WiMAX communication.
RF Wireless Site Survey Explained
An RF site survey is crucial for planning and deploying cellular networks. It involves detailed evaluation to optimize infrastructure placement, ensure coverage, and address potential issues.
IEEE 802.11ac WLAN Basics
An overview of IEEE 802.11ac WLAN technology, covering key features like bandwidth, MIMO, modulation, and frame structure.
Machine-to-Machine (M2M) Communication
Explore machine-to-machine (M2M) communication, its architecture, capabilities, applications, and protocols for automated data exchange between devices without human intervention.
Agile Scrum Life Cycle and Framework
Explore the Scrum framework, an Agile methodology that enhances teamwork, accountability, and continuous improvement in software development. Learn about its life cycle, roles, and benefits.
Rectangular Waveguide Dimensions: Standard WR Sizes Chart
A comprehensive chart detailing standard WR waveguide dimensions, including frequency, broad dimension, and narrow dimension, essential for RF and microwave engineering applications.
GSM: PLMN Not Found Issue Explained
This article explains the PLMN not found issue in GSM networks, focusing on causes like weak signals, interference, network failures, and roaming data.
OFDMA Physical Layer Basics: WiMAX Example
Explore OFDMA basics, frame structure, and physical layer with a Mobile WiMAX (IEEE 802.16e) example. Learn about subchannel formation, data mapping, and more.
500MHz Lumped Element Low Pass Filter Design
Explore the design and simulation of a 500MHz lumped element Low Pass Filter (LPF) using inductors and capacitors. See the simulation circuit and results.
OFDM vs. OFDMA: A Detailed Comparison
Explore the differences between OFDM and OFDMA modulation schemes, focusing on multiple access, resource allocation, and suitability for various wireless communication systems.
OFDM vs. DMT: Similarities and Differences Explained
Explore the similarities and differences between OFDM and DMT, two advanced modulation techniques used in ADSL and wireless communication systems.
7GHz RF Amplifier Layout Design Guide
A guide to designing the layout for an RF amplifier circuit using the FSX017WF (GaAs FET), including substrate specifications and simulation results.
OFDM vs. CDMA: Key Differences in Wireless Communication
Explore the differences between OFDM and CDMA technologies, comparing their performance, capacity, and suitability for various wireless applications.
40 Gigabit Ethernet Physical Layer (40GbE PHY) Explained
Explore the architecture and sublayers of the 40 Gigabit Ethernet physical layer, including RS, XLGMII, PCS, FEC, PMA, PMD, and AN.
100 Gigabit Ethernet Physical Layer (100 Gbps Ethernet PHY)
Explores the architecture and features of the 100 Gigabit Ethernet Physical Layer (PHY), including PCS sublayer, multilane transmitter and receiver concepts.
10 Gigabit Ethernet Physical Layer (10GbE PHY)
Explore the 10 Gigabit Ethernet (10GbE) physical layer, its subgroups (10GBASE-R, X, T, W), and sublayers like XGMII, PCS, PMA, PMD, and MDI. Learn their functions and specifications.
TD-SCDMA Physical Layer Overview
Explore the TD-SCDMA physical layer, focusing on the TDD mode within the UTRA framework. This overview details the transmitter modules in a 1.28Mcps system.
Troubleshooting UE Connection Failures: Immediate Assignment Issues in GSM
A guide to diagnosing why a UE fails to receive an immediate assignment after sending a channel request (RACH) in GSM networks, covering UE transmission and network reception issues.
1 GHz Hairpin Bandpass Filter Design
Learn how to design a 1 GHz Hairpin Bandpass Filter (BPF) using RF simulation software. The article includes substrate specifications and simulation results.
Project Management Professional (PMP) Basics
An overview of project management professional (PMP) concepts, including process groups, knowledge areas, and activity duration estimation.
RF and SoC Device Production Tests: A Comprehensive Guide
Explore common production tests for RF and SoC devices, including VSWR, return loss, gain, IP3, and more, with a detailed test parameter matrix.
PXI for RF and Wireless Test: Vector Signal Generators and Analyzers
Explore PXI systems for wireless testing, focusing on vector signal generators and analyzers. Learn how they're used for WLAN, WiMAX, Zigbee, GSM, and LTE device testing.
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