{"id":3459,"date":"2018-08-28T05:33:26","date_gmt":"2018-08-28T05:33:26","guid":{"rendered":"https:\/\/athis-consulting.com\/news\/?p=3459"},"modified":"2018-10-02T10:28:04","modified_gmt":"2018-10-02T10:28:04","slug":"ngc-darpa-demonstrate-100-gbps-data-link-over-20-km-distance","status":"publish","type":"post","link":"https:\/\/athis-technologies.com\/news\/innovation\/wireless-telecom\/2018\/ngc-darpa-demonstrate-100-gbps-data-link-over-20-km-distance\/","title":{"rendered":"NGC &#038; DARPA Demonstrate 100 Gbps Data Link Over 20 Km Distance"},"content":{"rendered":"<p>The blazing data rate is fast enough to download a 50 Gigabyte blue ray video in four seconds. The demonstration marked the successful completion of Northrop Grumman\u2019s Phase 2 contract for DARPA\u2019s\u00a0<a href=\"https:\/\/www.darpa.mil\/program\/100-gb-s-rf-backbone\" target=\"_blank\" rel=\"nofollow noopener\">100 Gbps (100G) RF Backbone program<\/a>.<\/p>\n<p>The\u00a0<a href=\"https:\/\/www.darpa.mil\/program\/100-gb-s-rf-backbone\" target=\"_blank\" rel=\"nofollow noopener\">100G system<\/a>\u00a0is capable of rate adaptation on a frame by frame basis from 9 Gbps to 102 Gbps to maximize data rate throughout dynamic channel variations. Extensive link characterization demonstrated short-term error-free performance from 9 to 91 Gbps, and a maximum data rate of 102 Gbps with 1 erroneous bit received per ten thousand bits transmitted.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.everythingrf.com\/live\/Northrop_Grumman_DARPA_Set_New_Standard_for_Wireless_Transmission_Speed_1_4352c50e_08ef_4037_8586_dfc704d8495b_prv_original.jpg\" \/><\/p>\n<p>The successful data link results from the integration of several key technologies. The link operates at millimeter wave frequencies (in this case, 71-76 gigahertz and 81-86 gigahertz) with 5 gigahertz of bandwidth, or data carrying capacity, and uses a bandwidth efficient signal modulation technique to transmit 25 Gbps data streams on each 5 gigahertz channel. To double the rate within the fixed bandwidth, the data link transmits dual orthogonally polarized signals from each antenna. Additionally, the link transmits from two antennas simultaneously (spatial multiplexing) and uses multiple-input-multiple-output (MIMO) signal processing techniques to separate the signals at two receiving antennas, thus again doubling the data rate within the fixed bandwidth.<\/p>\n<p>By contrast, a 100G data link could transmit high-rate data directly from the aircraft to commanders on the ground in near real time, allowing them to respond more quickly to dynamic operations.<\/p>\n<p>The successful 100G ground demonstration sets the stage for the flight test phase of the 100G RF Backbone program. This next phase, which started in June, demonstrates the 100G air-to-ground link up to 100 Gbps over a 100 km range and extended ranges with lower data rates. The 100G hardware will be flown aboard the Proteus demonstration aircraft developed by Northrop Grumman subsidiary Scaled Composites.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.everythingrf.com\/live\/Northrop_Grumman_DARPA_Set_New_Standard_for_Wireless_Transmission_Speed_2_8ddaa652_ee56_47fb_a8ba_540966d43f7a_prv_original.jpg\" alt=\"\" \/><\/p>\n<p>Northrop Grumman\u2019s 100G industry team includes\u00a0<a href=\"https:\/\/www.raytheon.com\/?utm_source=Everythingrf\" target=\"_blank\" rel=\"nofollow noopener\">Raytheon<\/a>, which developed the millimeter wave antennas and related RF electronics and\u00a0<a href=\"https:\/\/silvustechnologies.com\/?utm_source=Everythingrf\" target=\"_blank\" rel=\"nofollow noopener\">Silvus Technologies<\/a>, which provides the key spatial multiplexing and MIMO signal processing technologies.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The blazing data rate is fast enough to download a 50 Gigabyte blue ray video in four seconds. The demonstration marked the successful completion of Northrop Grumman\u2019s Phase 2 contract for DARPA\u2019s\u00a0100 Gbps (100G) RF Backbone program. The\u00a0100G system\u00a0is capable of rate adaptation on a frame by frame basis from 9 Gbps to 102 Gbps [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3460,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"amp_status":"","_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"NGC & DARPA Demonstrate 100 Gbps Data Link Over 20 Km Distance","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[11],"tags":[],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>NGC &amp; DARPA Demonstrate 100 Gbps Data Link Over 20 Km Distance - AthisNews<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/athis-technologies.com\/news\/innovation\/wireless-telecom\/2018\/ngc-darpa-demonstrate-100-gbps-data-link-over-20-km-distance\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NGC &amp; DARPA Demonstrate 100 Gbps Data Link Over 20 Km Distance - AthisNews\" \/>\n<meta property=\"og:description\" content=\"The blazing data rate is fast enough to download a 50 Gigabyte blue ray video in four seconds. 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