PLANNING FOR THE FUTURE OF DVB-T2 TRANSMISSIONS IN TURKEY

IBRAHIM ILKER CUCIOGLUElectronic Engineer M.Sc.EE

Deputy General Manager (Technical)ANTEN A.Ş.

Digitag Workshop, 14.November.2013ISTANBUL

ANTEN A.Ş.(The DTT Network Operator)

• History (…. Current Situation)• TRT, Public TV, 1964

Terrestrial Broadcasting Network: Owned by TRT Managed by TRT

• Private (Commercial) Broadcasting, 1990Terrestrial Broadcasting Network:

-Powerful (National) < 15-20 staff/each Towers,stations,antenna systems…

-Others(Regional,Local), Service from venders <2-3 person subcontractors < 2-3

person• 2011, New Law « TV and Radio Broadcasting»

Switch to DTT Licencing for DTT

!- Terrestrial Broadcasting Network Operation (Whole Turkey, DTT)- One single company- Established by «National DTT licence holders»- Investment / Operation / Management

• 2012 (May) , Anten AS-Present status «National Broadcasters» 15 broadcaster- TRT, Public TV-16 shareholders

ADVANTAGESOF

ONE SINGLE OPERATOR MODELANTEN AŞ.

• The CAPEX (Investment costs) will be reduced• The OPEX (Operation costs) will be reduced• Will prevent waste of investment made by different companies/broadcasters• The same professional level of quality, technical standarts• Reduction of technical problems (interfences…)• Reduction of towers in site/ Gathering all systems in one tower• One single responsible/ respondent for RTUK • One single responsible/ respondent for Broadcasters

TASKS FOR ANTEN AS

1. DEPLOYMENT PROJECT2. TRIAL

DEPLOYMENT PROJECTFREQUENCY PLANNING BY RTUK

BASIC INFORMATIONS

▫ Mode : DVB-T2 ▫ Reception Target : Indoor reception▫ Coding : 64QAM▫ FEC : 2/3▫ Guard Interval : 19/256▫ FFT Size : 32K▫ Pilot Pattern : PP4▫ Channel Bandwidth : 27 Mbps

DEPLOYMENT PROJECTFREQUENCY/NETWORK PLANNING BY RTUK

BASIC INFORMATIONS

- 9 Mux (8 UHF, 1 VHF) planned- 7 Mux (UHF), Nationwide, tendered

- 1 Mux, TRT- 5 Mux, National Private- 1 Mux, Regionals,Locals

- 952 sites planned

!- LAWNATIONAL BROADCASTER

- 70% Population (Whole Country)REGIONAL BROADCASTER

- 70% Population (Whole Region)

MIN NETWORK (National)

379 SITE > 70 % POPULATION

DEPLOYMENT PROJECT

• 7 Mux / 379 Sites• DTT NETWORK PLANNING

• Head – End• National Broadcasters• Reginal ( 4 / Region) * 7• Local Broadcasters ( 7/ City) * 81

• Transmitter Sites

- Site Coordinates ( Frequency Plan by RTUK)- EIRP (Max) ( Frequency Plan by RTUK)- Tower Heights (Max) ( Frequency Plan by RTUK)

Tranmitter Powers, Antenna Sytems,Combining Systems,Energy Lines, Buildings ,

Site Communication/Management Systems,Redundancy……..

DEPLOYMENT PROJECT

• 7 Mux / 379 Sites• DTT NETWORK PLANNING

• MANAGEMENT / OPERATION• Optimized management model defined• Employee, quantity, qualification defined•

• CAPEX , Investment Costs• OPEX, Operation Costs

• Site Serveys, in operation• Existing Sites (Stations: Towers, antenna systems, buildings,energy…..)• New Sites

TRIAL

City : Ankara (Capital City)Population : 4.6mArea : 2.516km2

Planned Site : 4Planning Mode : SFNArea Definition : Urban

No sea, no river Surrounded by mountains Higher buildings

concreat glass covered buildings

Rural Area (Far from downtown, in coverage) Close to co-channel interference Not so huge as Istanbul for traffic / easy to measure

Enough SFN site (not few, not many) Existing stations Possibility to use R/L or fiber distribution instead of satellite

TRIAL

Trial Project Prepared Site : 3 existing ( Planned : 4)

Avaliable capacity in existing stationsSimulations: Coverage & Interference Mux : 2 HD, 5 SD : 27 MbpsDistribution : Satellite

Measurement : 2 set of measurement equipments - Vehicle : Outdoor measurement - Portable : Outdoor / Indoor measurement

TRIAL

Outdoor Measurement / Vehicle

Indoor Mesurement / Portable

Set-Top-Box Monitor

GPS

TV ANALYSER

2m

TRIAL

Outdoor Measurements : Coverage, Signal Field Strength

Indoor Measurements : Indoor Reception

Homogeneously Ankara Ground Floor → Top Different Points in a room Same axis / Opposite axises

Report is in process

CONCLUSIONS

Trial Quite Succesfull , some changes in power levelsGap FillersMobile < 50 kmphEvaluation / RTUK

Antenna Set Top Box !