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

Software Tools and Common Data Steps towards IT-supported cross-border co-ordination: Trigger levels Frequency categories Data, data exchange Propagation model, curves Calculation modes IT-support: Software tools Co-ordination programs Spectrum Management systems Common geographical data

Software Tools and Common Data Software tools: Provide a calculation kernel Single calculations possible Input manually or by simple file format Developed often by regional harm./stand. groups Examples:  HCM-MS-tool DLL and executable test-program  HCM-FS-tool DLL and shell CalcFiSH (Calculation Fixed Service HCM)

Software Tools and Common Data HCM-MS-tool

Software Tools and Common Data HCM-FS-tool CalcFiSH

Software Tools and Common Data Co-ordination programs: Surrounding program Calculation kernel (.dll) Mass calculations possible Attached database Standard Interfaces Proprietary products Example:  GREKO by company OPTIMUM-Solutions

Software Tools and Common Data Border coordination program GREKO

Software Tools and Common Data Spectrum Management systems: Mass calculations for assignment and border co-ordination High-performance database(s) Interfaces to import/export files and correspondence required for assignment (licensing) and border co-ordination Often modular structure Adaptation to individual requirements/environment necessary Commercial products Examples:  ATDI ICS manager  LS-telcom spectra

Software Tools and Common Data ATDI ICS Manager

Software Tools and Common Data LS telcom CHIR plus

Software Tools and Common Data Common to all these software is their dependency on geographical data. In order to achieve similar calculation results on both sides of the border geo-data has to be agreed among administrations applying a co-ordination procedure. Data has to cover the own country and an additional area in the border zone(s) of neighboring countries, e. g. land mobile service 100 km, fixed service km. Geographical information comprises: Borderline data Topographical data Morphological data

Software Tools and Common Data (Border-)line data: Not necessarily the political borders  co-ordination lines Comprises land-borders, sea-borders, border-distance-lines (x-km) Line points are defined by their geographical co-ordinates Necessary granularity dependent on course of border, e. g. 50 m, 200 m It is recommended that line points in decimal form be stored in files consisting of fixed length records.

Software Tools and Common Data Topographical data: The geographical height information may be retrieved from different sources, e. g. Military (Digital Terrain Elevation Data (DTED) level 1 coverage National Geographic Institutes GTOPO30 U.S. Geological Survey (USGS), resolution 30 seconds SRTM3 (Shuttle Radar Topography Mission), resolution 3 seconds It is recommended that all source data be converted to a single format, e. g. WGS84 (World Geodetic System 1984) and a certain resolution, e. g. 3x3 or 3x6 geographical seconds. An appropriate store format has to be defined. 1 geographical second appr. 31 meters

Software Tools and Common Data Morphological data: Consideration of characteristics of objects on the surface may increase accuracy of calculations. The predominant height of objects may be stored together with morphology class information, e. g. Normal land Sea, ocean Small lake, river Coastal area Villages, towns, buildings Trees A subset of mentioned criteria may be sufficient, source GTOPO30.

Thank you !