The XCellAir product is a virtualized and centralized software as a service solution that automates the deployment and operation of HetNets, integrates RRM and SON techniques with those operations, and provides a platform for the delivery of value added services over the network.
In the United States, the FCC established a new Citizens’ Broadband Radio Service (CBRS) for shared wireless broadband use of the 3550-3700 MHz band (3.5GHz Band) & similarly ETSI Technical Committee for Reconfigurable Radio Systems (TC RRS) has announced the completion of the specification for the support of Licensed Shared Access (LSA) in 2300-2400 MHz band. The new rules will make additional spectrum available for flexible wireless broadband use, leading to improved broadband access and performance for consumers – while protecting incumbent users from interference.
CBRS FRAMEWORK BASED ON FCC SPECIFICATIONS
Figure above illustrates the CBRS concept and framework. The proposal is based on three tiers:
Access and operations will be managed by a centralized Spectrum Access System (SAS), conceptually like the databases used to manage Television White Spaces devices.
Whether it is MNO’s leveraging shared spectrum to further densify their existing network or MSO’s using shared spectrum as part of their wireless strategy, shared spectrum operation is likely to experience some of the same challenges as in Wi-Fi & LTE-LAA, especially in the opportunistic GAA tier, where a variety of technologies (e.g. LTE, Wi-Fi etc.) are likely to coexist and contend for same spectrum. Without a sophisticated RRM-SON system, users on this band are likely to experience congestion and Quality of Experience (QoE) issues.
XCellRAN for Shared Spectrum can provide the same coordination as foreseen for 3.5GHz shared spectrum, including:
Provisioning & Optimization
Visibility & Analytics