FIG. 9 is a schematic diagram of still another mapping of PDCCH to CCEs according to the present application;
FIG. 10 is a schematic diagram of still another mapping of PDCCH to CCEs according to the present application;
FIG. 11 is a schematic diagram of still another mapping of PDCCH to CCEs according to the present application;
FIG. 12 is a schematic diagram of a mapping of PDCCH to subbands according to the present application;
FIG. 13 is a schematic diagram of a downlink transmission opportunity of a network device according to the present application;
FIG. 14 is a schematic structural diagram of a network device according to the present application;
FIG. 15 is another schematic structural diagram of a terminal device according to the present application;
FIG. 16 is another schematic structure diagram of the terminal device according to the present application;
FIG. 17 is another schematic structural diagram of the network device according to the present application.
DESCRIPTION OF EMBODIMENTS