Page 131 - Kaleidoscope Academic Conference Proceedings 2024

Innovation and Digital Transformation for a Sustainable World

Integrated network control architecture (INCA)
Application requirements analysis

E2E resource allocation E2E network
management & optimization status analysis
Integrated control
data service
Integrated control &
orchestration
Monitoring data
Control parameters
Integrated network control interfaces
Control parameters Monitoring data

Access network NTN control Core network Data network
control control control
Individual network segment control systems
E2E: End-to-end
Figure 1 - TN-NTN integrated network control architecture (ITU-T Y.3207).
system with capabilities of direct smartphone connection to and provides it with adjustable levels of granularity to the
satellites, UE location verification for public land mobile E2E network status analysis function.
network (PLMN) selection (enhancement of TR 24.821 (b) Application requirements analysis function: It
[10]), support for non-continuous coverage with sparse encompasses functionalities to interpret the expectations of
constellation and support of satellite backhauling. both users and service providers, which may be articulated
Additional information about 3GPP NTN work can be in abstract policies known as intents. These intents are then
found in [11]. translated into system configuration parameters, which
serve as inputs for the E2E network status analysis function.
3. TN-NTN INTEGRATED NETWORK CONTROL (c) E2E network state analysis function: This function
ARCHITECTURE (INCA) analyzes control data related to resource utilization,
This section presents an overview of the INCA functional performance metrics, and application requirements to
components and the sequence of control message flows. evaluate the status of resource utilization and network
service quality. It can identify whether resources are under-
3.1. Integrated Network Control Architecture utilized, over-utilized, or optimally utilized and whether the
Figure 1 shows the functional architecture of the integrated service quality meets the required levels. Additionally, by
network control system. The architectural functional examining trends in resource utilization, the function can
components are: (a) integrated control data service, (b) predict future resource demands and expected performance
application requirements and user intent analysis, (c) end- quality.
to-end (E2E) network status analysis, (d) E2E resource (d) E2E resource allocation, management &
allocation, management and optimization, and (e) optimization function: Based on the status of E2E network
integrated control and orchestration functions. The resource utilization and performance analysis provided by
integrated network control system interacts with the the E2E network status analysis function, the E2E resource
network control systems of individual network segments, allocation, management, and optimization function
such as access networks, NTN, core networks, and data formulates optimal decisions for resource control. These
networks, via integrated network control interfaces. These decisions involve generating resource control parameters to
interfaces facilitate the collection of control data from adjust the resources allocated in various network segments.
individual network controllers and the transmission of Different network segments require adjustments to different
control parameters to them. types of resources. For example, DN configured on
virtualized cloud platforms may require more
3.2. Architectural Functional Components
computational resources (e.g., virtual machines, CPUs,
The architectural functional components are briefly GPUs, memory) and storage resources, while NTN may
described below. need more radio spectrum bandwidth for feeder and service
(a) Integrated control data service function: It gathers links or the replacement of radio links with free space
and manages control (i.e., monitoring) data from individual optics links due to changes in weather conditions and user
network segments, storing this data in a database. The traffic demands.
system updates the data promptly, ensuring its consistency,

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