Description  Claims  Drawing  Cited references 

WO2008081876A   [0013] 
JP2008242716A   [0259] 
JP2009201740A   [0259] 

Uplink multiple access schemes for LTE-A   [0011] 
DFT size for uplink transmissions   [0012] 
R1-081842, ''LTE-A Proposals for evolution   [0014]