AT&T Gets FCC Permission to Conduct Tests in 3.5 GHz Band
AT&T Labs got FCC Office of Engineering and Technology OK for tests (see here) in the 3550-3650 MHz band. Depending on how it's configured, each radio would use a digitally modulated 10 MHz, 20 MHz or 40 MHz channel and…
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the total transmit power of any transmitter will not exceed 1.6 watts, the carrier said. The experimental license is limited to Plano, Texas. “AT&T Laboratories wishes to conduct tests with multiple new radio systems with integrated adaptive antennas to evaluate the performance of a novel short distance microwave radio digital communications network from several suppliers,” said a filing. “We hope to evaluate various performance characteristics of the system in a real world Rural/Suburban outdoor environment. Performance characteristics such as data throughput, latency, error rates, availability, and susceptibility to and generation of self and external interference will be investigated.” The spectrum is part of the 3.5 GHz spectrum allocated by the FCC for shared use through the Citizens Band Radio Service, including licensed use by carriers. Rules for the band are under review (see 1704190056).