Over The Air – Page 4

OTA: Private 4G on the LimeSDR Mini 2.0, Update Osmocom URLs Now, Better Satellite Imagery, and More

Lime Microsystems’ Andrew Back has shown off the capabilities of the upcoming LimeSDR Mini 2.0, building a private 4G LTE cellular network using srsRAN. “In this latest video we demonstrate a LimeSDR Mini v2 being used with the open source srsRAN software to create a private 4G mobile network complete…

OTA: LimeSDR Mini 2.0 Campaign Closes, 96MHz Bandwidth Experiments, LibreCellular Progress, and More

The crowdfunding campaign for the LimeSDR Mini 2.0, an upgraded full-duplex software-defined radio built around a more powerful, flexible, and easily-sourced FPGA, has drawn to a close as a resounding success – and now the work of getting the hardware into peoples’ hands begins. The LimeSDR Mini 2.0 is based…

OTA: LimeSDR Mini 2.0, Project CAMARA, a Commercial LimeNET Base Station Call, and More

Lime Microsystems has announced the LimeSDR Mini 2.0, an upgraded version of the smallest member of the LimeSDR range featuring a considerably improved field-programmable gate array (FPGA) – boosting its flexibility. Since its launch in 2017, the LimeSDR Mini – a single-channel full-duplex software defined radio built on the same…

OTA: ADS-B Tracking at the Terminal, Open RAN Silicon, Beginner’s Guides, and More

Developer Wayne Campbell has released version 0.5.1 of rsadsb, a Rust-based ADS-B aircraft tracking system with a text-mode user interface — bringing with it its first support for LimeSDR devices. “Release v0.5.0 of rsadsb is now released,” Wayne writes of the launch. “Use any SDR supported by SoapySDR. If any…

OTA: X-Band Beams Images from Space, SDR-based Malware Detection, srsRAN Tutorial, and More

Arved Viehweger is among a growing number of LimeSDR users turning their attention to X-Band satellite communications – receiving impressive high-resolution imagery from Russia’s ARKTIKA-M1 satellite. Launched in February 2021 as the first in the ARKTIKA constellation and serving as an Arctic monitoring system, ARKTIKA-M1 transmits at the lower end…

OTA: LimeSDR’s Part in the UK’s Open RAN Plans, an Open-Source ARDF Controller, a “Widowmaker” Radio, and More

The UK government has announced a target of carrying 35 per cent of all cellular traffic over open radio access networks (open RANs) by 2030, alongside the planned retirement of 2G and 3G cellular – and LimeSDR technology has been selected for two key test-bed projects. “The mobile network operators…

OTA: Delivery Updates, LimeSDR on a Phone, a New CubeSat, LoRa Moonbounce and More

Lime Micro products, including the LimeSDR family, are still being impacted by global component shortages and supply chain disruption – but Lime’s Ebrahim Bushehri has detailed how the company is working to overcome the issues. “While we’ve placed our orders and hope the supply chain settles down soon, we’re not…

OTA: Bluetooth Tracking, Ethernet Sniffing, pySim Bug Fixes, and More

Researchers from the University of California at San Diego (UC San Diego) have published a paper highlighting location-tracking attacks against mobile devices which leverage fingerprinting of Bluetooth Low Energy (BLE) physical layer attributes. “Mobile devices increasingly function as wireless tracking beacons. Using the Bluetooth Low Energy (BLE) protocol, mobile devices…

OTA: The EC Praises MyriadRF, FutureSDR Gets its First Blocks, Counting Crowds Through Walls, and More

MyriadRF has been highlighted by the European Commission as an exemplar of how open source software and hardware can provide what its report describes as a clear “public good. In a report into the impact of open source software and hardware on the European economy, the European Commission’s Directorate-General for…

OTA: SDR++ Hits v1.0.0, Bluetooth Hits 5.3, Elektro-L3 Goes LRIT, and More

Alexandre Rouma’s SDR++ project, a cross-platform open-source package for software defined radio work with built-in support for LimeSDR-family hardware, has hit a milestone: the release of version 1.0.0. “For those who don’t know,” Alexandre explains, “SDR++ is a cross-platform (Windows, Linux, MacOS, BSD) and open-source general purpose receiver software meant…

OTA: New LimeNET Gets AMD Ryzen Power, uSDR Launched, Open RAN Competition, and More

Lime Microsystems has announced a new version of its LimeSDR-powered LimeNET 5G-capable software-defined radio-network-in-a-box – now featuring a 16-core high-performance AMD Ryzen processor. “We are excited to collaborate with Lime Microsystems and the LimeNET ecosystem,” said AMD’s senior director of applications engineering Kun-Yip Liu of the project, “to enable innovative…

OTA: OpenBSC Setup Scripts, 80MSPS from a LimeSDR Mini, a Satellite Hunt, and More

Community member Bastien Baranoff has shared scripts for getting a Raspberry Pi system running Ubuntu Server up-and-running as an open cellular base station with Osmocom’s OpenBSC and a LimeSDR. Designed for Raspberry Pi systems running Canonical’s free and open source Ubuntu Server Linux distribution, Bastien’s scripts begin by installing the…