Our eGRM is an instrumental tool in managing the payload resources of high-throughput satellites. Supporting global coverage, including fixed and mobile terminal services, it was originally introduced in to support the roll-out of Inmarsat’s Ka-band Global Xpress service, the world’s first global HTS network of satellites.
The eGRM plays critical roles in both offline resource planning activities and online resource management activities. It provides representative payload modelling, via our Payload Configuration Tool (PCT), to allow changes to the payload configuration of each individual satellite to be made that consider constraints, limitations, and trade-offs of each change. It models the satellite payloads for satellites manufactured by multiple vendors, in a single common environment, despite significant differences in the payloads of these satellites. Within this common environment, satellite payloads can be modelled based on the physical inter-connectivity of the payload equipment or based on a more abstract logical modelling that simplifies connectivity, thereby reducing management complexity.
To support the validation of satellite payload changes, the eGRM provides analytics to check for impairments to the performance of the network that would be caused by the implementation of a series of payload changes. These analytics include checking for beam-to-beam interference, validating steerable beams are positioned outside of exclusion zones, and checking for regulatory and coordination constraint violations. It also provides advanced analysis capabilities to analyze the performance of current payload settings against actual network traffic based on the QoS of service plans, as well as the potential predicated performance of sets of payload configuration changes. For the performance analysis of proposed payload configuration changes, the eGRM can use historical network traffic, beam loading profiles, or service plan QoS attributes as inputs to the analysis process. Multiple proposed sets of configuration changes can be analyzed at once, with the eGRM supplying weighted ranking metrics to allow a planner to see which set of changes might best fit for the current network load.
To support network operations, the eGRM’s operational capabilities include the scheduling, submission, and coordination of the payload change plans to the Spacecraft Control Center and the corresponding terrestrial network changes to the NMS of the gateway/hub. The eGRM also provides on-demand steerable beam relocation, telemetry collection for verification of payload changes or reconstruction of the payload configuration of a satellite, and management for the resource allocation of power-bandwidth leases.