Why Phones Connect Directly to Satellites

Technical overview of phone-to-satellite solutions, Tiantong system timeline, and trade-offs between dual-mode terminals, space base stations, and 3GPP NTN.

5G Small Cells and Repeater Stations: Definitions and Applications

Technical overview of indoor 5G small cells and optical fiber repeater station architectures, deployment scenarios, coverage challenges, and application benefits.

What Components Make Up a 5G Base Station?

Analysis of 5G base station cost breakdown in China: component-level estimates for BBU/AAU, power/auxiliaries and civil works, with a ~450,000 yuan total estimate.

Satellite vs 5G: Differences and HTS Limitations

Technical comparison of satellite communication and 5G covering coverage, data rate, latency, cost, use cases, and disadvantages of high-throughput satellites for deployments.

Three Reliable Enterprise Network Topologies

Technical guide to reliable enterprise campus network design, covering gateway placement, redundancy and a stacking with link aggregation deployment example and best practices.

Two-Way Satellite Communication: Advantages and Phone Differences

Two-way satellite communication: features, advantages and applications, comparing two-way vs one-way satellite phones for secure, high-speed global connectivity and operational use.

Shortwave Communication: Advantages and Basic Principles

Technical overview of shortwave communication covering advantages, disadvantages, and basic principles of signal transmission, propagation, reception and processing.

WPS vs 5G and Wi-Fi 6 vs Wi-Fi 5: Wall Penetration

Clarifies WPS vs 5G and compares Wi-Fi 5 and Wi-Fi 6 performance on wall penetration and throughput, noting MIMO, OFDMA and theoretical maximum rates.

Differences Between 5GHz Wi-Fi, Wi-Fi 6, and Wi-Fi 5

Technical overview of 5 GHz Wi?Fi vs 2.4 GHz, comparison of 5G cellular bands with Wi?Fi/Wi?Fi 6, and compatibility considerations for Wi?Fi 5 extenders.

Can a Router Be Used as a Switch? Drawbacks Explained

Examines using a router as a switch, outlining MAC vs IP-layer differences, performance, port and cost limitations, and when an ONT or integrated gateway is required.

Network Switch Chips: Functions and Common Vendors

Technical overview of network switch chips, covering packet forwarding, hardware acceleration, QoS, differences from PHY chips, and common vendors like Broadcom and Marvell.

What Is a Distributed 4G Base Station?

Technical overview of distributed base station architecture, components and roles: BBU, RRU, RF units and fiber transport; deployment benefits and latency trade-offs.

How Are Base Stations Protected Against Lightning?

Technical overview of base station lightning protection: grounding grid design, SPDs, TT power 3+1 configurations and grounding practices for distributed RRU/BBU deployments.

Evolution of Mobile Communications: Five Generations

Chronicle of communication technologies - from beacon fires and telegraph to radio, telephone and cellular evolution up to 6G, examining wireless communication trends.

Security Solutions for 5G Mobile Devices

Examines 5G mobile security risks and proposes a terminal solution using hardware-based system isolation and guard-style intranet VPN with secure inter-system communication.

Mobile Intelligent Networking vs Home Wi-Fi

Mobile intelligent networking: router-centric services offering remote router diagnostics, parental controls, device-specific quality-of-service and game and education acceleration.

Is WiFi 6 the Same as 5G WiFi?

Explains whether WiFi 6 is "5G WiFi" and compares WiFi 6 vs 5G WiFi by standards, throughput, OFDMA/MU-MIMO support, frequency bands and power?saving TWT features.

High-Speed Rail Mobile Communication: Evolution and Challenges

Technical overview of rail mobile communication: transition to LTE?R and 5G?R, core challenges (Doppler, penetration loss, handovers) and engineering mitigation strategies.

Three Deployment Models for 5G Private Networks

Overview of 5G private network deployment models, architecture, and core functions (AMF/SMF/UPF), comparing virtual, hybrid, and standalone options for industry use.

5G VoNR+ Deployment for IoT Communication

Technical overview of 5G VoNR+ capabilities and deployment solutions for IoT communication, detailing IMS data channel, terminal requirements, and media platform design.