ALLPCB
nRF5340: High-end multi-protocol SoC for advanced wearables
nRF5340 details: dual-core Arm Cortex-M33 SoC with advanced security (CryptoCell-312, TrustZone), multi-protocol 2.4 GHz radio and Bluetooth 5.1 support for IoT.
Shortwave Communication: Advantages and Basic Principles
Technical overview of shortwave communication covering advantages, disadvantages, and basic principles of signal transmission, propagation, reception and processing.
Wireless Inductive Charging for Low-Power Wearables
Technical overview of inductive wireless charging for wearables, covering communication, WPC Qi-compatible ICs, coil design and transmitter/receiver integration.
What Is Link Aggregation and How LACP Works
Explains link aggregation, LACP operation, modes, timeouts, and benefits for bandwidth scaling, redundancy, and load sharing across switches, servers, and datacenter links.
Vayyar First-Gen RF SoC Teardown and Analysis
Teardown of Vayyar's RF SoC in Walabot Home: UWB 3-10 GHz transceiver, on-chip DSP/SRAM, 21-antenna design, packaging and system cost analysis for 4D imaging.
5G Candidate Waveforms: Comprehensive Overview
Technical overview of NR candidate waveforms, comparing single-carrier (SC-FDE, DFT-spread OFDM) and OFDM variants (CP-OFDM, WOLA, UFMC) with PAPR and EVM trade?offs.
5.5G: Technical Principles and Use Cases
Technical summary of 5.5G evolution and millimeter-wave foundations, covering edge computing, advanced antenna techniques, and new interaction, uplink and sensing scenarios.
Understanding 5G RedCap for IoT
Explore 5G RedCap for IoT: cost-effective, power-efficient connectivity for devices and industrial routers.
AlterEgo wearable reads subvocalized speech
Overview of MIT's AlterEgo wearable that detects subvocalization via facial neuromuscular electrodes and neural networks, providing Bluetooth connectivity and bone?conduction feedback.
Two Mechanisms for RRC Connection Establishment in 5G
Technical summary of 5G RRC connection establishment, covering gNB-CU/gNB-DU split, UE context setup, dual-connectivity and SA/NSA call flow sequences.