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12th GTI Workshop Held in Barcelona, Looking Towards 2015

Report in Collaboration with the GSMA Highlights Best Practice from National 5G Plans

2015-02-26 10:50:00| Source:

The 12th GTI (Global TD-LTE Initiative) workshop took place during Feb. 26-27 in Barcelona, Spain, gathering more than 120 industrial leadersexperts from 32 operators27 industrial partnersorganizations to share latest progressdiscuss key issues about TD-LTE commercialization.

This time, aside from the regular plenary, the GTI workshop was reshapeda topic-oriented structure with joint sessions focusing on LTE-A, Roaming, VoLTE(voice over LTE), 3.5GHz, RCS(rich communication suite),business modelsfunding, putting stress on end-to-end subjectsissues. Operators were sharing updatesprogress on LTE TDD/FDD convergence, carrier aggregation,end-to-end requirements to deliver eMBMS (evolved multimedia broadcast multicast service), communicating with industrial partners about VoLTERCS technicalbusiness considerations,addressing key issues regarding 3.5GHz ecosystemdevices, multi antenna CPE,revenue modelsfunding for TDD operators. A white paper of Business ModelsFunding was also introduced at the workshop.

In addition, working groups discussedjointly drew up work plans for the year of 2015. Expected outputs are as below.

1. Network Working Group

Input to 3GPP on FDD+TDD Carrier Aggregation requirements/priorities

Updated white papers of LTE TDD/FDD convergenceTDD Carrier Aggregation

2. Terminal Working Group

10+ models of Low cost (no more than $100) MMMB smart phone available

Updated GTI MMMB Technical White paper

L+W/G chipset/smart phone available

Dual SIM smart phone support VoLTE & RCS available

Updated GTI Dual-SIM Smartphone specification

TD-LTE Terminal NS-IOT Carrier Aggregation Test System

TD-LTE terminals with ET available

Validation Summary of TD-LTE test system in GCF

TD-LTE Terminal NS-IOT Carrier Aggregation Test Specification

• Multiple Antenna CPE available

Prototype High Power UE with maximum power exceeding 26dBm available

Set up SI/WI in 3GPP for TD-LTE high power terminal

Multiple Antenna CPE req/specHigh power terminal req/spec

3. Spectrum Working Group

Consulting response to external regulators on TDD relevant spectrum, e.g. China including TaiwanHongkong, Korea, Africa, EU

Deliverable of GTI view on future candidate TDD spectrum for WRC 2015

Updated spectrum database, spectrum white paper, synchronization white paper, LSA white paper

4. BusinessService Working Group

Publish Business Modelling & Funding White Paper (in approval process)

Develop & Share 3 additional vertical models to support TD-LTE only operators in achieving positive cash-flow

Sponsor Investor Conference in 2015

Identify 4 new TD-LTE operators seeking funding (to support & present to Investors)

Develop framework & Identify 5 Solution Partners & Experienced Operators to provide advisory/consultancy services to TD-LTE operators

Develop guidelines/White Paper to support greenfield TD-LTE operators roaming with Legacy operators. Support at least 1 launched greenfield operator to launch roaming

Provide Market & Industry updates in key roaming focus areas

Drive new membership tier within GSMA for new LTE entrants/smaller operators

Gain 2 new Roaming Industry partners to join GTI. At least 1 targeted Partner presentation at each 2015 Workshop

Develop presentation contentobtain solution partner support for Smart Home session.

Provide training session, demonstration & support for using the Joint Innovation LabOpen Testing System.

Complete Single Time Application Platform

Develop/Upload 4 targeted reportssupporting analytics on key B&S focus areas

5. End-to-end Topics


   • 4 chipset vendors launch DL CA product20+ DL CA terminal available

   • Prototype UL CA terminal available


   • 30+ commercial models of TD-LTE VoLTE terminal

   • VoLTE terminal power consumption comparable with 3G

   • Commercial launch VoLTE networks

   • Evaluation report on new voice codec


   • 10+ Native Terminal

   • APP clients based on both AndroidiOS

   • Commercially launch RCS service

   • report on key marketindustry


   • To see at least 15 more allocations of 3.5Ghz Spectrum globally

   • WRC-15 approves global unified allocation of 3.5GHz using TDD for IMT

   • Release at least 2 TD-LTE Terminal Devices (Handsets) become commercially available

   • Release GTI 8X8 Macro eNB4X4 Small Cell products, finish the GTI Trial to demonstrate the competitiveness of broadband 3.5GHz TDD,facilitate at least 20 more 3.5GHz Networks launch commercially

   • To see at least 10 more 3.5Ghz operatorsvendors join

After the workshop, work summaryplan were reported toapproved by the GTI Steering Committee who recognized the great achievements in solving critical issues for the commercialization of TD-LTEexpected the realization of goals set for 2015.

Presentation slides have been uploaded to the GTI website, please click below to download

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