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As mobile networks start to run out of capacity in their traditional spectrum bands, vendors and operators are looking for new frequencies for radio to colonize, and their eyes often light on satellite space. Initially the focus was on mobile satellite (MSS) spectrum close to the existing mobile bands, and the reuse of such assets for radio has been one of the most important, but contentious, aspects of the recent quest for new mobile capacity. Now major players are also casting their eyes over more distant satellite territories, as seen in Samsung’s recent announcement of ‘5G’ technology, which achieved 1Gbps transmission speeds in the 28GHz Ka band, mainly used for fixed satellite uplink.
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