Channel-dependent MC-CDMA utilizing adaptive spreading codes aided physical layer security

Devices and methods for multicarrier modulation schemes

Devices and methods for multicarrier modulation schemes

Transmission of data by multiple users over shared resources based on structured superposition coding

Channel frequency spreading device and method for CDMA system, and mobile communication system

Method and apparatus for transmitting and receiving signals over pairs of wires

IMPLICIT ADDRESSING FOR SPORADIC MACHINE-TYPE ACCESS