Main article: Multi-user MIMO. Recently, results of research on multi-user MIMO technology have been emerging. While full multi-user MIMO (or network MIMO) can have a higher potential, practically, the research on (partial) multi-user MIMO (or multi-user and multi-antenna MIMO) technology is more active.
There are two ways to decline a call on the iPhone. 1  By pressing the Sleep/Wake button. 2  By tapping the 'Decline' button onscreen (appears only when the phone is unlocked, as you've mentioned)
Instructions. Subscribe to the âAnonymous Call Rejectionâ through Time Warner. An additional fee may be charged to activate this feature but it is generally free to subscribers of Time Warner's digital phone service.Dial â*77â from the telephone line you want to block phone calls for.This code must be dialed using a touch tone telephone.Hang up the telephone handset.n additional fee may be charged to activate this feature but it is generally free to subscribers of Time Warner's digital phone service. Dial â*77â from the telephone line you want to block phone calls for. This code must be dialed using a touch tone telephone. Hang up the telephone handset.