NTIA Lab Recommends Future Research Focus on Receiver Efficiency
NTIA's Institute for Telecommunications Sciences recommends future spectrum efficiency (SE) studies zero in on receiver efficiency. The report looks at the history of SE studies back to 1964, saying much work has been done on terrestrial fixed and mobile wireless…
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radio, but systems in other services received less attention. “Technical features that have barely been considered in many past studies, because they have only recently become widely available, should be significantly included in future SE studies and metrical developments,” ITS said. “These include [software-defined control] of transmitters and receivers that can take advantage of intelligence about local environments; smart or intelligent antenna designs including electronic beam steering and gain control; and dynamically controlled frequency agility.” Receiver selectivity "characteristics are just as important as transmitter [out of band emissions] and spurious characteristics,” the lab said. Director Keith Gremban said “spectrum efficiency will only grow more important as spectrum sharing increases and network operators look to utilize ultra-dense networks to build capacity.” Gremban noted this year’s International Symposium on Advanced Radio Technologies meeting will focus on “technical, economic and regulatory challenges associated with network densification.”