Research Article
SDN-Based Centralized Downlink Scheduling with Multiple APs Cooperation in WLANs
Figure 2
Hidden/exposed terminal problems in loose and tight coupling scenarios. (a) Exposed terminal case in loose coupling. (b) Hidden terminal case in loose coupling. (c) Hidden terminal case in tight coupling. (d) Exposed terminal case in tight coupling.
(a) |
(b) |
(c) |
(d) |