WiMAX was originally developed to deliver fixed wireless service with wireless mobility added in 2005.
CHU has long been licensed as "fixed service" within the band allocations of the International Telecommunications Union.
"Broadcasters support rural broadband through a fixed service," said NAB president and CEO David K. Rehr.
Tulsa Transit operates regular fixed service Monday through Saturday from early mornings to early evenings.
Additionally, the operator runs a fixed industrial service with four different deviations to serve the needs and shifts of workers at city plants.
In 1978 a fixed service within the dial-a-bus area was also trialed.
Numbers beginning 4 are reserved for future fixed services.
In December 2008, Expresso Telecom acquired 70% of Nigeria's Intercellular and currently the company only provides fixed wireless services.
The company also provides fixed wireless services using LTE technology on the 700MHz band.
The integrated numbering plan also enables local number portability between fixed and wireless services within a region, allowing users to switch to mobile service while keeping their phone number.
