Powerline Telecommunications Interoperability Event

The interoperabilty test event for PowerLine Telecommunications, held from 19 to 23 November 2007 took place at SONY in Stuttgart, Germany.

The aim of this event was to verify the draft Technical Specification of Technical Committee PLT Work Item 21 (WI21) which deals with coexistence between PLT and short wave radio services including DRM (Digital Radio Mondiale) in the home.

The goal of this event was to get results on the verification of the proposed mechanism to improve coexistence between PLT and short wave radio broadcast.

In order to verify the Draft TS of Work Item 21 (WI21) which deals with coexistence between PLT and short wave radio services including DRM (Digital Radio Mondiale) a PlugtestsTM was requested by many ETSI members.

During the PlugtestsTM, different PLT modems from different vendors implementing the draft Technical Specification related to WI21 were evaluated. A Special Task Force (STF) 332 has been established to perform this PlugtestsTM.

The STF validated the concept of ‘Smart Notching’ which is specified in the ETSI PLT WI21. Measurements demonstrating the ingress of SW radio broadcasts to the electrical installation in a building were made. Further, using real implementations of PLT modems the practicality of the draft TS was verified. Verification of levels and thresholds were carried out along with the performance of the coexistence implementations. Recommendations for possible improvement to the current draft TS of Work Item 21 (WI21) were made as appropriate.