| CPC H04B 1/12 (2013.01) [H04L 27/3872 (2013.01)] | 20 Claims | 

| 
               1. A method for a base station of a wireless network to communicate with a user device of the wireless network, the method comprising: 
            a) determining or receiving a data message to be transmitted to the user device; 
                b) modulating each message element of the data message according to a first modulation scheme, each message element occupying a single resource element of a resource grid comprising symbol-times in time and subcarriers in frequency; 
                c) transmitting the data message, so modulated, to the user device; 
                d) receiving an uplink message from the user device, the uplink message indicating which particular type of message faults, of a plurality of predetermined fault types, were received; and 
                e) selecting a second modulation scheme configured to avoid the particular type of message faults. 
               |