Three Challenges for High-Volume 5G Wafer Testing

Summary of three wafer-level testing challenges for 5G: mmWave frequencies increasing RF channel counts, higher parallelism, and maintaining signal accuracy.

5G RF Standards: Transmit Power for Shared-Spectrum Channel Access

Technical summary of 5G shared spectrum channel access in FR1, coexistence with Wi-Fi, regulatory sharing rules and transmit power A-MPR requirements.

Multi-Rail DC/DC Converters for Wearable Devices

Overview of TI's TPS62770 multi-rail buck and boost DC/DC converter for wearables, highlighting low quiescent current, display/LED driving for PMOLED and LCD backlights.

Resource-Rich MCUs for Small Battery-Powered Wearables

ARM Cortex-A32 overview: a scalable ARMv8-A 32-bit core with ~25% silicon efficiency gain, low-power scalability and enhanced instructions for wearable IoT and edge devices.

Wearable System Design with Energy Harvesting and Low-Power MCUs

Energy-efficient wearable design: combining energy harvesting, ultra-low-power MCUs, low-power radios, and battery-management/storage options to extend device operation.

Advantages of Millimeter-Wave Technology

Technical overview of 5G millimeter-wave benefits and challenges, covering high data rates, capacity, beamforming/phased-array techniques and deployment considerations.

Wireless Li-Ion Charger with Integrated DC/DC for Wearables

Technical overview of the LTC4126 wireless charger receiver for wearables, detailing inductance-free DC-DC charge-pump, CC/CV charger, safety features, and ZVS transmitter pairing.

Challenges for Indoor Positioning in Wearables

Overview of indoor positioning technologies for wearables: GNSS limitations, single-chip receivers, Wi-Fi and cellular assistance, and low-frequency or hybrid localization methods.

Future of Smart Clothing in Healthcare

Overview of smart clothing and e-textiles for healthcare: sensor integration, conductive fibers, fabrication methods, clinical use cases, regulatory and research challenges.

What Is 5G Messaging and Why Promote It?

Technical overview of China’s 5G messaging policy and RCS: origins, IMS basis, MaaP enterprise use, device support, ecosystem challenges and deployment outlook.

Advances in Wearables for Audio Enhancement

Technical overview of ear-worn devices and hearing technologies, covering wearables, biometric sensing, sound amplification, equalization, masking, and active noise cancellation.

AI Use Cases in Wireless Systems

AI in wireless systems: technical review of 5G use cases, ML-driven channel estimation and resource allocation, data-quality and testing best practices for telecom and automotive.

Planar Reflectarray Antenna Co-simulated with MATLAB and HFSS

Single-layer windmill unit for reflectarray antenna achieving 473.6° linear phase range; 80×80 mm Ka-band prototype (400 elements) shows 27.86 dBi gain and 35.7% 3 dB bandwidth.

Bluetooth Solutions for Wearable Devices

Technical guide to Bluetooth Low Energy for wearable devices, comparing BLE vs BR/EDR, GATT roles and reference designs like nRF51822 and TI CC256x.

Resolving Fluxion Stall When Creating a 5 GHz AP

Configure the Linux kernel regulatory domain and adjust Fluxion's hostapd script to enable 5 GHz AP creation, deauthentication, and packet injection by setting the country code.

Monitoring Heavy Trucks with 5G Gateways for Safer Driving

Overview of BMG5000 gigabit 5G gateway-based heavy truck safety monitoring system: blind-spot cameras, real-time video upload, GPS positioning, and emissions sensor integration.

Conversa Embedded Multi-Microphone Voice Kit

Conversa full-duplex voice processing suite for multi-microphone devices: architecture, hardware/software setup, operating modes, presets, AEC and noise reduction.

RF Simulation Solutions for Mobile Handset Front-Ends

Overview of handset RF front-end challenges and 5G-driven growth, with simulation solutions for PCB modeling, field-circuit co-simulation, and SAW/BAW filter design.

Selecting Accurate Fuel Gauges for Wearable Devices

Technical overview of HG-CVR smart fuel gauge (LC70920XF/LC709203F) using internal-resistance and voltage tracking to estimate RSOC with ±2.8% accuracy, low power.

5G Intelligent Gateways for Unmanned Smart Agriculture

Overview of using 5G intelligent gateways for smart agriculture: drone and machinery control, IoT monitoring, edge computing, and cloud-based platform integration.