Skip to main content

Wi-Fi Alliance and AT4 to test unlicensed LTE coexistence with wi-fi

AT4 wireless is to provide testing services to assess the fair coexistence of wi-fi and LTE in unlicensed spectrum (LTE-U) devices in accordance with the Wi-Fi Alliance Coexistence Test Plan. The testing assesses whether commercially available LTE-U devices coexist fairly with wi-fi in the same environment. The development and deployment of LTE-U devices, which utilise 4G LTE radio communications technology in the unlicensed spectrum, introduces the possibility of interference with wi-fi equipment operat
August 9, 2016 Read time: 2 mins
AT4 wireless is to provide testing services to assess the fair coexistence of wi-fi and LTE in unlicensed spectrum (LTE-U) devices in accordance with the Wi-Fi Alliance Coexistence Test Plan. The testing assesses whether commercially available LTE-U devices coexist fairly with wi-fi in the same environment.

The development and deployment of LTE-U devices, which utilise 4G LTE radio communications technology in the unlicensed spectrum, introduces the possibility of interference with wi-fi equipment operating in the same bands. Small deviations in LTE-U design requirements may affect wi-fi performance when working in proximity and in the same frequency band. AT4 wireless will conduct independent testing based on objective tests and an industry-approved methodology to verify that LTE-U products do not violate fairness indicators.

Wi-Fi Alliance agreed to qualify AT4 wireless to provide testing services based on the Coexistence Test Plan, which is being developed by members of the wi-fi and LTE-U communities in Wi-Fi Alliance. The Performance Test Tool from AT4 wireless will collect the most relevant key performance indicators, such as throughput, latency (one-way delay), and jitter (latency variation). Official testing will commence once Wi-Fi Alliance releases the final Coexistence Test Plan.

The AT4 wireless Performance Testing Platform is a multipurpose testing solution capable of acting with different roles: traffic generation, setup automation, data collection and analysis. It provides specific features tailored for measuring the impact of the LTE-U devices on Wi-Fi deployments.

AT4 wireless has collaborated with Wi-Fi Alliance as an Authorized Testing Laboratory since 2004 and offers test services for all Wi-Fi Alliance programs for the certification of Wi-Fi devices.

Related Content

  • Hats off to Miovision with the future of traffic management
    April 25, 2023
    Miovision is introducing Miovision One, an all-in-one traffic management platform that integrates the company’s various traffic management software solutions into a single, comprehensive cloud-based platform.
  • Include ITS in policy decisions from the start, not as an afterthought
    February 1, 2012
    DG TREN's Fotis Karamitsos, on why the European Commission's new ITS Action Plan is looking to the past for future direction. The European Commission's (EC's) new Action Plan for the Deployment of Intelligent Transport Systems in Europe, which was announced as 2008 drew to a close, intends that transport and travel become 'cleaner; more efficient, including energy efficient; and safer and more secure'. At first sight, that wording might be interpreted as marking a significant policy shift within Europe, wit
  • U-blox GSM module verified eCall and ERA Glonass ready
    April 18, 2012
    U-blox and Rohde & Schwarz, a leading supplier of test and measurement equipment, have successfully concluded tests of u-blox’ Leon GSM modem for eCall / ERA Glonass readiness.
  • Toll performance exceeds expectations, improves travel times
    January 30, 2012
    Jean Harito, Attica Tollway Operations Authority and Steve Morello, Egis Projects describe how looking to exceed contractual obligations makes good operational and business sense. The Attica Tollway is a modern, 65km, access-controlled urban motorway with three lanes in each direction. It constitutes the ring road around the extensive metropolitan area of the Greek capital, Athens, and forms the backbone of the entire road network in the Attica region. By ensuring freeflow operating conditions, the Attica T