LTE-U: Update from 3GPP

13 Mar

All About 4G

LTE-unlicensed or LTE-U was once again a major topic of discussion at the 3GPP RAN plenary meeting last week. Although no Study/Work Items were approved regarding the usage of LTE in unlicensed spectrum, a half-day workshop is planned for sharing ideas on LTE-U. It will be held after RAN #64 meeting on 13.06.2014.

An earlier workshop on the same topic was organised in Jan 2014, attended by 40-odd companies. A summary of that workshop is available in RP-140060. The key points are given below.

Possible use cases / scenarios Main discussion focused on Operator-deployed small cells

  • Indoor and outdoor hotspot
  • Primary cell on licensed spectrum aggregated with secondary cell on unlicensed spectrum
  • Dual connectivity and stand-alone operation were discussed as well

Other scenarios such as user-deployed small cells, Wireless backhaul were also discussed. Potential Technical Requirements

  • Multi-technology coexistence and fairness – Especially LTE – WiFi
  • Multi-operator coexistence and fairness –…

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