E-band: A technical overview

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Presentation transcript:

E-band: A technical overview Future Wireless Technologies Forum

E Band Paving the road to ubiquitous fibre access Graham Beneke - Multisource Telecoms (Pty) Ltd

Spectrum Management Preventing and mitigating interference Graham Beneke - Multisource Telecoms (Pty) Ltd

E band becomes viable Advances in semiconductor device technology, resulting in commercially-available E-band cost- effective MMICs. Increased congestion in the microwave bands (6- 38GHz) Unprecedented need for high capacity in mobile networks Graham Beneke - Multisource Telecoms (Pty) Ltd

Performance 1 Gbps @ 5 km 1 Gbps @ 1,5 km 99.9% availability (South African weather) Graham Beneke - Multisource Telecoms (Pty) Ltd

Performance (2) Less impacted by fog / dust / smog than FSO Front-To-Back ratio of more than 50dB Beamwidth <1 degree Wide channels for high capacity Spectral / Channel reuse in close proximity Graham Beneke - Multisource Telecoms (Pty) Ltd

Technical Challenges Trade offs between Spectral efficiency and radio complexity Power consumption and bandwidth Modulation scheme and distance Ultimately… COST Graham Beneke - Multisource Telecoms (Pty) Ltd

Pseudo-Light Licensing Works Multiple 17 GHz links Adjacent on highsite Channel re-use within 10 degrees Informal registration with distributor Fails when other vendor equipment is deployed BUT interference issues mutually resolved Graham Beneke - Multisource Telecoms (Pty) Ltd

United States Model 71-76 GHz & 81-86 GHz No mandatory channelisation Feasible for wide-band, simple modulation Channels of 1+ GHz Graham Beneke - Multisource Telecoms (Pty) Ltd

European Model 19 channels per band Encourage spectral efficiency 71-76 GHz & 81-86 GHz 250 MHz each 62.5 MHz sub-channels Encourage spectral efficiency Graham Beneke - Multisource Telecoms (Pty) Ltd

Light Licensing Administrative Incentive Pricing Channel size Distance Regional demand ‘light license factor’: approx x0.1 or x0.05 1 Gbps @ 1 km must be <R5000 pm Compete with typical dark fibre costs Graham Beneke - Multisource Telecoms (Pty) Ltd

Light Licensing (2) No regulator input for registration Initially – no automated radio planning Simple GIS database Flexible billing (monthly & automated) Order of application/registration No block assignments, all links registered Graham Beneke - Multisource Telecoms (Pty) Ltd

Graham Beneke - Multisource Telecoms (Pty) Ltd Thanks!

Questions ? Graham Beneke graham@multisource.co.za http://www.multisource.co.za Graham Beneke - Multisource Telecoms (Pty) Ltd