asteroza + telecommunications   25

ALCAN Systems : Communication is the key
phased array satellite broadband antenna, similar to kymeta (including using LCD production lines for manufacturing)
phased  array  antenna  satellite  telecommunications  hardware  electronics  devices 
may 2018 by asteroza
Facebook May Have Secret Plans to Build a Satellite-Based Internet
E-band lining up with their Aquila solar HALE relay UAV work is interesting as a holistic approach...
facebook  satellite  internet  athena  e-band  newspace  constellation  research  telecommunications  technology 
may 2018 by asteroza
Breaking Lorentz reciprocity to overcome the time-bandwidth limit in physics and engineering | Science
Telecomms just got a huge breakthrough. But apparently radar guys in the 40's knew about using non-reciprocal resonators to keep EM from pushing back into waveform generators, but never published?
asymmetric  nonreciprocal  high  bandwidth  resonant  waveguide  RF  radio  physics  materials  science  engineering  research  technology  telecommunications  telecomms  antenna 
june 2017 by asteroza
[1508.02383] Mobile Internet from the Heavens
Some Samsung researcher argues for a 4K+ sat constellation for sat internet, but the math says each sat needs 1Tbps or more? So lots of spot antennas and lasercomm backhaul?
Samsung  internet  satellite  constellation  research  space  telecommunications  Delicious 
august 2015 by asteroza
Quarkson - SkyOrbiter Challenge. We need you! Be part of it.
Some sort of portugese challenge to Google+Titan Aerospace for HALE telecom relay drones?
portugal  europe  EU  UAV  drone  telecommunications  relay  airborne  internet  HALE  solar  airplane  aircraft  Delicious 
september 2014 by asteroza
MagnaCom - Reinventing the Evolution of Digital Communications
High end QAM sorta-compatible receiver design using non-linear tricks, pushing 10dB improvement over QAM4096, approaching Shannon limits.
WAM  QAM  QAM4096  RF  radio  wave  modulation  receiver  design  startup  communication  telecommunications  high  bandwidth  long  range  spectrum  compression  efficiency  low  power  Delicious 
december 2013 by asteroza

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