Agenda

Agenda

An Overview on Radio Frequency Spectrum World Division on Frequency Allocation International allocation Table/ frequency allocations to services Radio Regulations (ITU-R RR) Coordination and notification procedures National Frequency allocation Table Frequency assignment and Licensing

Spectrum Management System For Developing Countries Administrative Functions Technical Functions GIS Functions

Overview Frequencies & Wavelength Bands

Overview Propagation modes and usages for various

frequency bands 

Band

Frequency Mode Range BW Interference

VolumeUsage

VLF 3 - 30 kHz wave guide several 1000 km

very limited

wide spread

Worldwide, long range radio navigation and strategic communications

LF 30 - 300 kHz ground wave,sky wave

several 1000 km limited

wide spread

Long range radio navigation and strategic communications

MF 0.3 - 3 MHz ground wave,sky wave

a few 1000 km

moderate

wide spread

Medium range pt. to pt.,broadcasting and maritime mobile

HF 3 - 30 MHz sky wave up to several1000 km

wide wide spread

Long and short range pt. to pt.,global broadcasting, mobile.

VHF 30 - 300 MHz space wave,tropospherescatter,diffraction

up to a few 100 km

very wide

confined Short and medium pt. to pt.,mobile, LAN, audio and video broadcasting, personal communications

UHF 0.3 - 3 GHz space wave,troposphericscatter,diffraction,line-of-sight

Generally less than 100 km

very wide

confined Short ,medium & long pt. to pt.,mobile, LAN, audio and video broadcasting, personal communications, satellite communicationsSHF 3 - 30 GHz

line-of-sight30 km;several 1000 kmfor multihop and satellite

very wideup to 1 GHz

generallyconfined

Medium to short range pt.to pt.,audio and video broadcasting, LAN, mobile/personal communications, satellite communications

EHF 30 - 300 GHz line-of-sight 20 km;several 1000 kmfor multihop and satellite

very wideup to 10 GHz

generallyconfined

Short range pt. to pt.,microcellular, LAN and personal communications,satellite communications

Chap. 5 SMS Handbook (At VLF a wave guide mode between the ionosphere and the Earth allows propagation over) global distances.

Overview World division of RFS

Overview frequency allocations table (chart)

Overview Categories of Services & allocations

Primary and secondary services Service the name of which are printed in “capitals” (example: FIXED) are called “Primary” Services Service the name of which are printed in “normal characters” (example: Mobile) are called “secondary” Services Additional remarks shall be printed in normal characters ( MOBILE except aeronautical mobile)

Stations of a secondary service: Shall not cause harmful interference to stations of primary services to which frequencies are already assigned or may be assigned at a later date; cannot claim protection for harmful interference from stations of a primary service to which frequencies are already assigned or may be assigned at a later date can claim protection for harmful interference from stations of the same or other secondary service(s) to which frequencies may be assigned at later date.

Overview International allocation (9-110 KHz)

Overview International Allocation (47-75.2 MHz)

Overview International Allocation (150-223 MHz)

ITU Radio Regulations

Rights & obligations + applicable procedures

Two mechanisms of sharing spectrum:coordination approach

efficiencyfirst come, first servedfor actual requirements

planning approachequitable accessplanfor future use

RRRRRRRR

ITUITUITUITU

Derived from ITU-R Seminar Mexico

Overview

Band Frequency BC/BT Region Plan

LF 148.5-283.5 kHz BC 1 GE75

MF 526.5-1 606.5 kHz525-1 605 kHz

1 605-1 705 kHz

BCBCBC

1 and 322

GE75RJ81RJ88

HF 5 950-26 100 kHz BC 1, 2 and 3 Art. S12

VHF/UHF 47-68 MHz87.5-100 MHz87.5-108 MHz162-230 MHz470-862 MHz470-960 MHz

BC and BTBTBCBTBTBT

111111

ST61, GE89ST61GE84ST61, GE89

Overview Broadcasting Planed Bands

OverviewNational Frequency allocation

Table

Overview Frequency Assignment and Licensing

Frequency arrangement options - Homogeneous, - Uniform,- Non-uniform

License request

Registration of the application in the administrative database and initialization of

the workflow management

EMC analysis

The folder is transmitted to coordination study and ITU

sending.

Notifications forms generation and registration in ITU database

The folder is transmitted for license issuing and invoice generation. The relevant

documents are provided to the spectrum user.

License and invoice emission

Frequency assignment

The frequency is not available because it is protected by ITU agreement.

Verification of international coordination requirements

Administrative study

Folder creation

Folder processing. Transmission to administrative and technical studies

Spectrum user

The folder is closed and archived. The licensing process is over.

The request is not accepted for an ADM reason.

License and invoice sending.

Frequency assignment & LicensingGeneral procedure for the frequency assignment and licensing process

Source: ITU-Handbook on SMS

OverviewCoordination & Notification

SMS4DCAnnex I : Action Plan (rev.2) for development of SMS4DC

Milestone

Activities

Mar.2005

Apr.05

May05

Jun05

Jul05

Aug.05

Sep.05

Oct.05

Nov.05

Dec. 05

Jan.2006

Feb.2006

Design Review Meeting 14-16

Provisional test for terrestrial segment of SMS4DC (annexes II & III) 1

9-11

Beta test for terrestrial segment + design review meeting / provisional test for Space segment Annex 7)2 + delivery of user manual & training material in English.

14-18

Trial test of SMS4DC (country case study) in Guinea

Final Acceptance Test for Terrestrial & possibly final test for Space segment)

Delivery of SMS4DC in English + user manual & training material as an ITU property

DeactivationPush button for deactivation of activated buttons. The shape of mouse is changed to normal by using this button.

Go to Geo-directions

Push buttons for navigation of DEM one tile toward one of the West, North, South and East directions each time, respectively.

Draw Line Toggle button to draw line between two points and to activate functions based on predefined line.

Draw Polyline Toggle button for poly line drawing and activation of relevant functions based on predefined poly line.

Draw Box Toggle button to create rubber-band box for selection of a rectangular area on DEM to activate area dependent functions.

Draw Line from Database Push button for drawing a line between two stations and for activation of functions based

on predefined line, using database of stations. Draw Box from

Database Push button for drawing a square box containing a station at its middle for activation of functions based on predefined area, using database of stations. .

Draw Profile Push button for drawing of path profile along depicted line. Poly line drawing does not activate this button.

Add StationToggle button to add a station under one of the SMS4DC supported services.

Move Station

Toggle button to move a station to a new location using mouse. Click mouse right button on the station and drag its symbol to the concerned location while holding mouse right click. RefreshPush button to refresh screen display and to remove overlaid area-calculation results from DEM.

Calculation Overlay

Push button to overlay area-calculation results on DEM. Once an area selected on map (using box drawing buttons) this button will be activated.

Show Legend Toggle button to show or remove legend of activated display. An appropriate legend is displayed depending to the activated display, i.e. DEM color legend for DEM view, field strength color legend for area calculation result window and etc.

Toolbar of SMS4DC desktop

Some of SMS4DC Administrative functionsMenu of User-ID and Password management

Interface to the external resources

IDWM

BR IFIC

RR App.7

WinBASMS

SMS4DC software

External Resources

Technical & Administrative

ModulesCore of SMS4DC

Interface to the external databases

LIBR

AR

IES

MA

PS

External Database

SMS4DC Software Structure

Administrative Database

Technical Database

BR IFICWinBASMS

SMS4DCDatabase Relationship

User view of administrative data Name, address, contact and classification

Effective height

Owner

License

Station

Equipment

Link

Antenna Frequency

Pattern

1:n

1:n

1:n

1:n

1:n 1:n

1:1

License ID, status, duration , etc.

Receiving area information

Station name, location, type and etc.

Assigned frequency, reference frequency, bandwidth, etc.

Name, model, radiated power, serial number and etc.

Name, gain, pattern, Beam width, etc.

Azimuth and effective height

1:1

InvoicesPayments

1:n1:n

Administrative Functions of SMS4DC

Tree view Level in Administrative window

Owner InformationEntry Table

License InformationEntry Table

Fixed/Base Station InformationEntry Table

Mobile Station InformationEntry Table

Broadcasting Station InformationEntry Table

Dialog box for importing data from BRIFIC

License Information

Examples of invoice, License & Notice

Antenna Information Table

Spreadsheet of Antenna Catalog

Frequency data entry for Fixed Service

International & National frequency allocations table (chart)

a) ST61 b) GE84

c) GE89 d) GE2004

Geographical Information System (GIS) functions Vector of Propagation Zones defined in ITU regional plans

Geographical Information System (GIS) functions

Example of drawing line from database GIS functions

Geographical Information System (GIS) functions Topographical map of a selected area (Globe30), relevant 3D view and vector overload

3D view of a selected area

Dialog box to adjust visualeffects of 3D view

Geographical Information System (GIS) functions

Antenna Tools

The SMS4DC is able to:•§       Import antenna pattern & its characteristic from antenna library;•§       Modify the existing antennas in the library for generation of new patterns;•§       Completely generate a new antenna pattern

Antenna Tools

Effective height of an antenna can be calculated based on ITU-R Recommendations P.1546 or P.370. This parameter is needed for Field strength calculations in point to area services (i.e. Broadcasting, land-mobile…).

Effective height of antenna calculation

The finest grid in “Antenna Editor” dialog box

Antenna

Propagation model parameter modification prior to calculation

Field Strength along a line

Path profile with Fresnel Zone

Entry mask to enter parameters of new station, isotropic and a sample directional antenna patterns

Transmitting and receiving entry mask dialog box

Field strength calculation in an area

Contour & coverage area calculations

Microwave link calculation

Network Analysis (Maximum field strength & best server)

Coverage areas obtained through individual calculation for each station could be combined to figure out overall radio coverage of a multi-station network. Users are able to distinguish the best serving station for each point inside the network service area, by analysis of network radio coverage area.

Above Figure displays sample analysis result for a WLL (wireless local loop) network built up from 12 BTSs (base station transceivers).

Report of coordination distance in HTML format for a broadcasting station

Report of coordination distance in HTML format for a broadcasting station

Capability for Inter-modulation calculation

Frequency arrangement

Frequency arrangement module covers three types of arrangements i.e. Homogeneous, Uniform, Non-uniform channel arrangement).

Radio horizon calculator and technical units converter

Earth Station Selection dialog box Options” dialog box

 Coordination contour around an Earth station in Geneva

Dialog box to select coordination contours for displaying on vector map

Input file Result. List output file to the Ap.7/ITU-R SM.1448 (Ap28) ITU-R technical tool