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NTT’s overview of 5G radio standardization

March 14th, 2017

NTT DOCOMO researchers discuss 3GPP’s 5G radio standardization process in the March 2017 issue of NTT Technical Review.

It explains the phasing of 5G radio development. Phase 2 is the end of the current concentration of activity due for completion in late 2019. That specification is intended to meet ITU’s IMT-2020 performance requirements. Phase 1 is for early commercial deployment. Before Phase 1 is done a third mode (called non-standalone, which is explained) will be culled for even earlier commercial deployment. (They also refer to Phase 1 and Phase 2 as 5G and 5G+, respectively.)

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IEEE 802.11 overview

March 11th, 2017

For next week’s IEEE 802 meetings in Vancouver the 802.11 leadership has prepared a presentation (PowerPoint) giving an overview of the group and highlighting selected current activities:

  • High Efficiency WLAN — 802.11ax
  • Wake up Radio — 802.11ba (Saves power using a wake-up frame to transition to primary connectivity out of sleep.)
  • Light Communications Interest Group

It’s a handy snapshot.

Future of the wireless world: The move to 5G

March 8th, 2017

Presented March 7 by Politico and Qualcomm, the event page with video is here.

TIA surveys operators on 5G

February 22nd, 2017

The Telecommunications Industry Association (TIA) has surveyed the 5G views of 31 mobile network operator executives from around the world. The findings were recently published (registration required). It’s implied that the survey used 5G in the most common sense — that of 3GPP, which has targeted completion of 5G specifications for 2020. (No one owns the term 5G — Verizon has its own 5G specifications, at least for now.)

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Google updates engineers’ group on 3.5 GHz CBRS

February 15th, 2017

A recent meeting of the Association of Federal Communications Consulting Engineers (AFCCE) hosted Dr. Andrew Clegg from Google. He updated the group on the status of the 3550-3700 MHz Citizens Broadcast Radio Service (CBRS). Google has been an active proponent, including through work in the Wireless Innovation Forum (WinnForum), which is developing spectrum-sharing standards.

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Mobile vendors bump LTE Broadcast

February 1st, 2017

The mobile vendor community reminds us that LTE Broadcast exists and could get traction any day now. In a January 30 update (registration required) The Global Mobile Suppliers Association (GSA) puts the best light on trials that haven’t quite transitioned to a business.

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Straight Path files experimental application to support 39 GHz radio development

January 27th, 2017

Straight Path Ventures today filed an application and supporting exhibits for an experimental license to support the development of “radios that can support 5G fixed and mobile services in the 39 GHz band (38.4 – 40.0 GHz).” Straight Path Ventures is affiliated with Straight Path Spectrum, which recently agreed to pay a $100 million civil penalty in a consent decree with the FCC. Straight Path announced a demo of 39 GHz technology last October.

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Experimental authorizations mined

January 27th, 2017

As part of his master’s thesis, a student has scraped experimental license information from the FCC’s website, constructed a database, and mined it for the years 2007 to 2016. Pedro J. Bustamante, provide a summary of experimental activity focussing on the years 2007-2016.

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Google files with FCC for nationwide airborne millimeter-wave testing

December 2nd, 2015

On November 24 Google filed an application with the FCC for a two-year experimental license to conduct nationwide testing in the 71-76 and 81-86 GHz millimeter-wave bands. The application consists of a form and supporting exhibit. As is usual with Google, the version of the exhibit made available to the public is redacted, but there’s enough there to infer that that this involves high-altitude airborne testing – perhaps connected to Project Loon or to solar-powered drones emerging from Google’s Titan Aerospace acquisition.

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Wi-Fi Alliance reports some consensus from its Wi-Fi/LTE-U Coexistence Test Workshop

November 22nd, 2015

In a November 20 FCC filing, the Wi-Fi Alliance reported on recent meetings with FCC staff on the subject of Wi-Fi/LTE-U coexistence. The Alliance says consensus was reached on the following points at its November 4 Coexistence Test Workshop:

  • The LTE-U specification can be further refined to provide greater clarity, and recent updates to the specification are a good step forward
  • A broader set of test scenarios than currently exists is likely necessary to test LTE-U’s fairness to Wi-Fi
  • Stakeholders are committed to collaborating within Wi-Fi Alliance to develop an industry agreed test regimen for LTE-U devices

A follow-up workshop is scheduled for the week of February 8.

In LTE-U, different companies can come away with different views of the same event. We’ll see if these consensus points hold.

GSA makes a case for the LTE Broadcast business

November 17th, 2015

The Global mobile Suppliers Association (GSA), representing mobile industry vendors, has commissioned a report on opportunities in LTE broadcasting. Prepared by a UK business consultancy, it’s part marketing document making a case for impressive growth in the LTE Broadcast business, which in turn makes it a useful sales tool for GSA members.

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FCC’s Technological Advisory Council outlines risk-informed interference assessment

April 20th, 2015

Interference arguments at the FCC would become more objective and less dependent on wordplay under a proposal by the FCC’s Technological Advisory Council (TAC).

Risk-informed interference assessment is a quantitative methodology intended to draw out the trade-offs between risks and benefits of new services. By using it interference assessments would move from, in the words of a TAC report, “What’s the worst that can happen?” to “What can happen, how likely is it, and what are the consequences?”

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Chairman Wheeler outlines his 3.5 GHz plan

March 30th, 2015

Friday saw a couple of FCC actions on 3.5 GHz. It was announced that the Citizens Broadband Radio Service (CBRS) will tentatively be on the agenda for the FCC’s April 17 meeting.

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NTIA proposals loosen 3.5 GHz restrictions

March 26th, 2015

NTIA has made several proposals in the FCC’s 3.5 GHz proceeding that would greatly increase areas of the country in which the proposed Citizens Broadband Radio Service can be provided.

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IEEE 802 and 3GPP step up collaboration on LAA

March 23rd, 2015

IEEE 802 and 3GPP are working together more on coexistence of Licensed Authorized Access (LAA) and Wi-Fi. Since November, each group has made a presentation to the other. There’s been an exchange of liaison statements, the latest on March 18 when IEEE 802 sent 3GPP two statements containing several requests and recommendations.

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