DATA { INT ind_user; }
	
	RGB { RB rbs[] }
	
	USER { RGB rgbs[]; DATA datas_to_transmit[]; }
	
	# in the case of a lonely array as a buffer
	
	DATA buffer[] # previously initialized 
	# and continuously filled by the incoming datas
	
	RGB all_rgbs[]
	
	DATA u_data[nb_bits_per_sequence]
	
	USER users[]
	
	INT nb_bits_per_sequence
	
	# scheduler size
	FOR u IN users DO
		#FOR i in nb_bits_per_sequence DO
		#	u_data[i] = buffer.get_bit(u)
		#ENDFOR
		u_data[0] = buffer.get_bit(u)
		IF u_data.[0] IS NOT None
			u.rgbs += GET_FREE_RGB()
		ENDIF
	ENDFOR
	
	# in attention of the mapper
	FOR u IN users DO
		FOR i in nb_bits_per_sequence DO
			u_data[i] = buffer.get_bit(u)
		ENDFOR
		u.datas_to_transmit = u_data
	ENDFOR