Radio Communication System, Radio Station, Radio Terminal, Communication Control Method, And Computer Readable Medium

Abstract: A f i r s t r a d i o s t a t i o n ( 1 ) r e q u e s t s o r i n s t r u c t s a s e c o n d r a d i o s t a t i o n ( 2 ) t o p r e p a r e f o r c o m m u n i c a t i o n w i t h a r a d i o t e r m i n a l ( 3 ) o n a s e c o n d c e l l ( 2 0 ) w h i l e a f i r s t r a d i o c o n n e c t i o n o n a f i r s t c e l l ( 1 0 ) w i t h 1 0 t h e r a d i o t e r m i n a l ( 3 ) i s e s t a b l i s h e d . F u r t h e r , t h e f i r s t r a d i o s t a t i o n ( 1 ) i n s t r u c t s t h e r a d i o t e r m i n a l ( 3 ) o r t h e s e c o n d r a d i o s t a t i o n ( 2 ) t o e s t a b l i s h a s e c o n d r a d i o c o n n e c t i o n o n t h e s e c o n d c e l l ( 2 0 ) w i t h t h e r a d i o t e r m i n a l ( 3 ) w h i l e m a i n t a i n i n g t h e r a d i o c o n n e c t i o n o n t h e f i r s t c e l l ( 1 0 ) w i t h t h e r a d i o t e r m i n a l ( 3 ) . I t i s t h u s f o r e x a m p l e p o s s i b l e t o 1 5 e n a b l e a s i n g l e r a d i o t e r m i n a l t o e s t a b l i s h r a d i o c o n n e c t i o n s w i t h c e l l s o f a p l u r a l i t y o f r a d i o s t a t i o n s , i n o r d e r t o a c h i e v e c a r r i e r a g g r e g a t i o n o f c e l l s o p e r a t e d b y d i f f e r e n t r a d i o s t a t i o n s .

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