Abstract: A quad-band printed quadrifilar helix antenna (QB-PQHA) with ultra-wide half-power beamwidths (HPBW) and 3dB axial ratio beamwidths (ARBW) for satellite communication applications on the ...
(International Mobile Telecommunications-2000, or IMT-2000, is ITU’s global standard for third generation — 3G — wireless communications). In the opinion of many satellite operators, the frequency ...
In any case, direct satellite communication to unmodified carrier phones is increasingly becoming a contested area and will be a desired service, so Samsung and Verizon will keep the service free on ...