Page 131 - Kaleidoscope Academic Conference Proceedings 2024
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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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