NBTC/ITU Workshop on Cross-Border Frequency Coordination June 29 - 30, 2015 Bangkok, Thailand.

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Presentation transcript:

NBTC/ITU Workshop on Cross-Border Frequency Coordination June , 2015 Bangkok, Thailand

Calculation of interference Based on previous introduction of IT-supported frequency co-ordination following examples shall illustrate evaluation of co-ordination obligation and interference calculations in fixed and mobile service: Fixed Service (CalcFiSH): Co-ordination Distance (determination of affected country) Threshold Degradation (stations: point-to-point) Mobile Service (HCM-MS and GREKO/FLAP): Co-ordination Trigger (determination of PM on border-line) Cross Border Range (determination of PM on CBR-line) Preferential Condition ( determination of PM on x-km-line) Stations: point-to-point (determination of PM at counter-stations) Point-to-Area prediction (propagation from a station to an area)

Calculation of interference No obligation to co-ordinate as no country is affected.

Calculation of interference Station Potsdam A to be refused as TD > 1 at station of affected country.

Calculation of interference Selection of Cmode -1: Point-to-Line: Border-line Cross Border Range x-km-line

Calculation of interference Input of Data of transmitting station

Calculation of interference Selection of Borderline and Country

Calculation of interference Co-ordination obligatory due to negative Protection Margin on border

Calculation of interference Selection of the Cross Border Range Line and Country

Calculation of interference No refusal permitted due to positive Protection Margin on CBR-Line

Calculation of interference Selection of the x-km-line 50 km and Country

Calculation of interference In case of preferential frequency no refusal permitted due to positive Protection Margin on x-km-line

Calculation of interference Selection of Cmode 0: Interference of Stations: Point-to-Point

Calculation of interference Input of data of transmitting station

Calculation of interference Input of data of receiving station

Calculation of interference Negative Protection Margin at receiving station leads to refusal of request

Calculation of interference Station retrieved from database

Calculation of interference Select complete HCM- calculations from menue, i. e. P2L P2P

Calculation of interference Complete results pre-view

Calculation of interference Single result view: Point to x-km-line

Calculation of interference Single result graphical view: Point to x-km-line Single result graphic view: Point to x-km-line

Calculation of interference Point to Area prediction Colors/Levels chosen to detect exceeded coverage in affected country

Thank you !