COMPARING PARTIAL AND FULLY REGENERATIVE
NTN ARCHITECTURES
R e g e n e r a t i v e N T N c a n b e d e p l o y e d e i t h e r p a r t i a l l y o r f u l l y .
Figure 5: A fully regenerative NTN architecture, featuring a 1:1 CU and DU mapping on the
payload, inter CU handovers and additional CPU and memory on-board.
FULLY REGENERATIVE NTN ARCHITECTURE
I n a f u l l y r e g e n e r a t i v e s y s t e m , t h e s a t e l l i t e b e c o m e s a f u l l b a s e s t a t i o n ,
c o m p l e t i n g c o m m u n i c a t i o n a s p e c t s , c o r e n e t w o r k f u n c t i o n a l i t y a n d p r o c e s s i n g
a l l o n t h e s a t e l l i t e i t s e l f . T h e s a t e l l i t e h a s m o r e a u t o n o m y a n d f l e x i b i l i t y w i t h a
f u l l y r e g e n e r a t i v e s y s t e m t h a n a t r a n s p a r e n t o r p a r t i a l s y s t e m .
I n a p a r t i a l r e g e n e r a t i v e N T N a r c h i t e c t u r e , t h e s a t e l l i t e p a y l o a d c o n t a i n s t h e
g N B R U a n d D U f u n c t i o n a l i t y , b u t s t i l l r e l i e s o n t h e g r o u n d n e t w o r k f o r C U
a n d c o r e n e t w o r k f u n c t i o n a l i t y .
PARTIAL REGENERATIVE NTN ARCHITECTURE
#20 | The Evolution of Non-Terrestrial Networks (NTN) | TeckNexus