Radio Networks Design & Radio Networks Design & Frequency Planning SoftwareFrequency Planning Software

Application area:Application area:

1.1. Radio network frequency planning and Radio network frequency planning and system design, system EMC system design, system EMC simulation/modeling and analysis with the simulation/modeling and analysis with the use of digital area mapsuse of digital area maps

2.2. NFPS software is used for design of NFPS software is used for design of complex space-scattered ground systems complex space-scattered ground systems (radio communication systems, radio (radio communication systems, radio navigation systems, TV and radio navigation systems, TV and radio broadcasting systems etc) in the 30 MHz -broadcasting systems etc) in the 30 MHz -40 GHz frequency range using EMC 40 GHz frequency range using EMC criteriacriteria

1.1. Digital Area Map databaseDigital Area Map database2.2. Radio Environment databaseRadio Environment database3.3. Simulation/modeling results databaseSimulation/modeling results database4.4. Subsystem for radio wave propagation Subsystem for radio wave propagation

process modelingprocess modeling5.5. Subsystem for computation of coverage Subsystem for computation of coverage

areas / responsibility areas / interference areas / responsibility areas / interference areas for network transmittersareas for network transmitters

6.6. Subsystem for analysis and Subsystem for analysis and simulation/modeling of intrasystem EMC simulation/modeling of intrasystem EMC in space-scattered radio communication in space-scattered radio communication networksnetworks

7.7. Subsystem for frequency plan Subsystem for frequency plan optimization of space-scattered networksoptimization of space-scattered networks

8.8. Subsystem for results visualization, Subsystem for results visualization, registration and outputregistration and output

NFPS Software StructureNFPS Software Structure

1.1. Computation of base propagation losses Computation of base propagation losses and radio signal levelsand radio signal levels

2.2. Computation of SIR (signal-to-Computation of SIR (signal-to-interference) ratiosinterference) ratios

3.3. Computation and visualization of Computation and visualization of coverage and responsibility areascoverage and responsibility areas

4.4. Computation of radio transmitter Computation of radio transmitter interference areasinterference areas

5.5. Estimation of handover boundariesEstimation of handover boundaries6.6. Computation and visualization of radio Computation and visualization of radio

wave propagation paths between any wave propagation paths between any point (location) pairspoint (location) pairs

7.7. Map legend displays reliable service areas Map legend displays reliable service areas and interference areasand interference areas

NFPS Software FunctionalityNFPS Software Functionality

Since 1995, various versions of NFPS Since 1995, various versions of NFPS software software

have been used by a number of have been used by a number of departments anddepartments and

organizations for system design, EMC organizations for system design, EMC analysisanalysis

and EMC simulation/modeling of radio and EMC simulation/modeling of radio networksnetworks

and systems. and systems.

Over 1000 projects have been implemented Over 1000 projects have been implemented in in

Belarus, Russia and other countries and Belarus, Russia and other countries and regions,regions,

including frequency planning and system including frequency planning and system design design

of NMT, GSM, AMPS, CDMA, UMTS cellularof NMT, GSM, AMPS, CDMA, UMTS cellularnetworks, Smartsone, MPT-1327, TETRA networks, Smartsone, MPT-1327, TETRA

andandAPCO-25 trunking systems, POCSAG radio APCO-25 trunking systems, POCSAG radio

pagingpagingsystems, fixed service systems in 0.4, 2.0, systems, fixed service systems in 0.4, 2.0,

10, 14,10, 14,17 and 24 GHz ranges, WLL systems in 2.4, 17 and 24 GHz ranges, WLL systems in 2.4,

3.53.5and 5.3 GHz ranges, corporative radioand 5.3 GHz ranges, corporative radiocommunication systems, TV and UHF FM communication systems, TV and UHF FM broadcasting systemsbroadcasting systems

NFPS Software practical usageNFPS Software practical usage

Hop Designer is developed to automate link Hop Designer is developed to automate link budgetbudget

calculation for line-of-sight digital radio-relay calculation for line-of-sight digital radio-relay linkslinks

Hop Designer: application backgroundHop Designer: application backgroundHop Designer is used since 2002 by a number Hop Designer is used since 2002 by a number

of of Belarusian and Russian organizations in order Belarusian and Russian organizations in order

totodesign various nationally deployed line-of-design various nationally deployed line-of-

sight sight digital radio-relay links for 7, 10, 14, 17, 23 digital radio-relay links for 7, 10, 14, 17, 23

and 27and 27GHz frequency ranges, including line-of-sightGHz frequency ranges, including line-of-sightdigital radio-relay links for NMT/CDMA and digital radio-relay links for NMT/CDMA and

GSM-GSM-900/1800 cellular communication systems900/1800 cellular communication systems

Hop Designer was used in the process of Hop Designer was used in the process of computations and frequency planning for computations and frequency planning for

nationallynationallydeployed 1550-2000 MHz radio relay links (deployed 1550-2000 MHz radio relay links (РР--

404 404 and and РР-414 stations). -414 stations).

NFPS subsystem: NFPS subsystem: Hop DesignerHop Designer

1.1. P.530-11 Propagation data and prediction methods P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of-sight required for the design of terrestrial line-of-sight systemssystems

2.2. P.676-6 Attenuation by atmospheric gasesP.676-6 Attenuation by atmospheric gases3.3. P.834-4 Effects of tropospheric refraction on radiowave P.834-4 Effects of tropospheric refraction on radiowave

propagationpropagation4.4. P.836-3 Water vapour: surface density and total columnar P.836-3 Water vapour: surface density and total columnar

contentcontent5.5. P.837-4 Characteristics of precipitation for propagation P.837-4 Characteristics of precipitation for propagation

modellingmodelling6.6. P.838-3 Specific attenuation model for rain for use in P.838-3 Specific attenuation model for rain for use in

prediction methodsprediction methods7.7. F.1093-1 Effects of multipath propagation on the design F.1093-1 Effects of multipath propagation on the design

and operation of line-of-sight digital radio-relay systemsand operation of line-of-sight digital radio-relay systems8.8. F.1101 Characteristics of digital radio-relay systems F.1101 Characteristics of digital radio-relay systems

below about 17 GHzbelow about 17 GHz9.9. F.1102 Characteristics of radio-relay systems operating in F.1102 Characteristics of radio-relay systems operating in

frequency bands above about 17 GHzfrequency bands above about 17 GHz10.10.P.453-9 The radio refractive index: its formula and P.453-9 The radio refractive index: its formula and

refractivity datarefractivity data11.11.P.526-8 Propagation by diffractionP.526-8 Propagation by diffraction

Hop Designer for line-of-sight digital radio-Hop Designer for line-of-sight digital radio-relay links is implemented on the basis of the relay links is implemented on the basis of the following ITU-R Recommendations:following ITU-R Recommendations:

1.1. Generation of the radio-relay link path profile with the use of Generation of the radio-relay link path profile with the use of digital maps on the basis of assigned radio-relay station digital maps on the basis of assigned radio-relay station deployment coordinates or manual input of the profile obtained deployment coordinates or manual input of the profile obtained from topographic maps and surface charts. Radio-relay link path from topographic maps and surface charts. Radio-relay link path profile provides separate display of Earth surface, forests, profile provides separate display of Earth surface, forests, hydrographic objects, buildings and constructions.hydrographic objects, buildings and constructions.

2.2. Radio-relay link path profile provides display of the first Fresnel Radio-relay link path profile provides display of the first Fresnel zone boundary (with an arbitrary multiplier) for effective Earth zone boundary (with an arbitrary multiplier) for effective Earth radius exceeded for arbitrary percentage of time.radius exceeded for arbitrary percentage of time.

3.3. Functionality for quick selection of antenna heights and sites for Functionality for quick selection of antenna heights and sites for deployment of radio-relay link facilities in order to fulfill the line-deployment of radio-relay link facilities in order to fulfill the line-of-sight criteria for the radio-relay link path.of-sight criteria for the radio-relay link path.

4.4. Prediction of quality parameters for line-of-sight radio-relay links Prediction of quality parameters for line-of-sight radio-relay links (outage probability due to clear-air effects and outage (outage probability due to clear-air effects and outage probability due to rain) with the use of the ITU-R probability due to rain) with the use of the ITU-R Recommendation P 530-10.Recommendation P 530-10.

5.5. Capability for more detailed calculation of radio-relay links which Capability for more detailed calculation of radio-relay links which takes account of diffraction losses and surface reflection losses takes account of diffraction losses and surface reflection losses for the radio-relay link path. Detailed calculation makes it for the radio-relay link path. Detailed calculation makes it possible to design digital radio-relay links with partially or fully possible to design digital radio-relay links with partially or fully closed paths as well as to optimize antenna heights in order to closed paths as well as to optimize antenna heights in order to minimize losses due to surface reflection.minimize losses due to surface reflection.

6.6. Visualization and printing of results, management of databases Visualization and printing of results, management of databases for technical specifications, deployment and ownership for technical specifications, deployment and ownership parameters of radio-relay link equipment.parameters of radio-relay link equipment.

Hop Designer functionalityHop Designer functionality

Belarusian State University of Informatics Belarusian State University of Informatics andand

Radioelectronics (BSUIR)Radioelectronics (BSUIR)emc@bsuir.byemc@bsuir.by

EMC Technologies LLPEMC Technologies LLPemctechsoft@yahoo.comemctechsoft@yahoo.com

Vladimir MordachevVladimir MordachevHead of BSUIR R&D EMC LaboratoryHead of BSUIR R&D EMC Laboratory+37517-2938994, 2938438; +37517-2938994, 2938438; emc@bsuir.byemc@bsuir.by

For further information please For further information please contact us at:contact us at: