Interference Management - Events and Happenings

Second Interference Management Workshop

Brussels, Belgium, Tuesday 9 October 2007

The Second Interference Management Workshop was attended by almost 100 radio spectrum industry professionals from across Europe. Please find below the agenda for this workshop. Click on the PowerPoint logos to view the presentations.

Time Activity Presenter
09:30 - 10:00 Registration  
10:00 - 10:15 Introductory Remarks powerpoint file [161K] Ruprecht Niepold,
Radio Spectrum Policy Unit,
European Commission
10:15 - 10:45 Re-Defining Harmful Interference powerpoint file [479K] Richard Womersley,
Eurostrategies (ICC)
10:45 - 11:00 Coffee Break  
11:00 - 11:45 Tightening Receiver Characteristics powerpoint file [357K] Wolfgang Schütz,
LS telcom AG
and Hugh Collins,
Eurostrategies (ICC)
11:45 - 12:15 Compatibility Studies - The Future powerpoint file [176K] David Court,
Connogue Ltd
12:15 - 12:45 Case Study: Background Noise Levels powerpoint file [8662K] Adrian Wagstaff,
Mass Consultants Ltd
12:45 - 14:00 Lunch Break  
14:00 - 14:30 The Impact of Neutrality on Spectrum Efficiency powerpoint file [326K] Wolfgang Schütz,
LS telcom AG
and Hugh Collins,
Eurostrategies (ICC)
14:30 - 15:00 Legal Measures: Directives and Decisions powerpoint file [192K] Barry Cartman,
Cartman dot ORG Ltd
15:00 - 15:30 Risk, Impact and Vulnerability - Alternative approaches to Spectrum Management powerpoint file [173K] David Court,
Connogue Ltd
15:30 - 15:45 Coffee Break  
15:45 - 16:45 Open Forum Discussion  
16:45 - 17:00 Closing Remarks Richard Womersley,
Eurostrategies (ICC)

In summing up the procedings of this successful workshop, Mr. Womersley highlighted the following:
"The concept of interference management is that use of the radio spectrum is controlled through addressing radio interference instead of directly controlling its causes such as the emissions from transmitters and antennas. This study has explored various facets of interference management and has aimed to address the central question of:

Can spectrum use be made more effective by spectrum management techniques which control interference instead of controlling transmitters?

It appears that there is no single answer to this question. Instead of having demonstrated that interference management techniques produce an all-encompassing improvement in the efficiency or effectiveness of spectrum use, or a method for replacing standard techniques; it has instead been shown that the application of such techniques in some circumstances does provide alternative and additional tools to the spectrum manager which inform and encourage more flexible (both in terms of technology and service) access to the radio spectrum. In particular, we have heard today that:
  • The concepts of harmful and permissible interference may be extended to provide a way of defining spectrum rights for licence holders and offer a means of enabling liberalisation through trading.
  • Regulating receivers (in addition to transmitters) through the specification of receiver characteristics is not, by itself, a solution to enhancing spectrum efficiency. However there are benefits in encouraging an interference environment in which receivers need to be designed to 'work harder', which in turn can deliver greater spectrum efficiency.
  • The remit of compatibility studies should be modified to answer questions based on a flexible interference framework instead of providing 'go/no go' decisions on whether two systems can work together.
  • Technology and service neutral licensing (as would be supported by interference based licensing techniques) offers significant benefit for end-users but not necessarily for spectrum owners and network providers.
  • The scope and implications of Decisions and Directives which consider harmful interference and electromagnetic disturbance is not widely comprehended. Making harmful interference a sub-set of electromagnetic disturbance introduces much needed clarity.
  • Methods of managing risk, vulnerability and performance, often applied in other industries, may be used in considering the scope and application of compatibility studies to support a more flexible approach to decision making."

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