Scheduling use of heterogeneous frequency schemes for radio-based networks
摘要
說明書
In some embodiments, the spectrum reservation service 410 provides reservations of frequency spectrum for customers' use in RANs 409. In one scenario, the spectrum reservation service 410 is operated by an entity, such as a third party, to manage reservations and coexistence in publicly accessible spectrum. One example of such spectrum may be the Citizens Broadband Radio Service (CBRS). With CBRS, both licensed and unlicensed use in the United States requires a commercial agreement with a certified Spectrum Access System (SAS) provider. The SAS authorizes registered access points, or radio units, to operate on 10 MHz blocks of spectrum and to manage interference in the CBRS band. SAS providers assign these spectrum blocks under a three-tiered structured with varying degrees of priority ranked from lowest to highest. Unlicensed use is at the lowest priority tier, licensed users are protected from the unlicensed user operations, and incumbent users such as the Armed Services are protected from both. The SAS providers can manage the lower tier users to avoid interference, either reassigning them to other spectrum blocks or shutting down their operations until another spectrum block becomes available. In another scenario, the spectrum reservation service 410 is operated by a telecommunications service provider in order to sell or sublicense portions of spectrum owned or licensed by the provider.
