Patent ID: 7158576

Claim:
An orthogonally-multiplexed orthogonal amplitude modulation method, comprising the steps of: generating 2N-dimensional basis signals, all the 2N-dimensional basis signals and their time-shift signals being mutually orthogonal; partitioning the 2N-dimensional basis signals into M basis signals subsets; generating M supersymbols corresponding to the M basis signals subsets at a signal time, each supersymbol having L+1 symbols consisting of 1 orthogonal symbol and L amplitude symbols, wherein each amplitude symbol having K amplitude levels; selecting L basis signals out of each one of the M basis signals subsets according to each corresponding supersymbol of the M supersymbols at the signal time; modulating each supersymbol of the M supersymbols with the corresponding L basis signals to form M component signals; and multiplexing the M component signals to form an orthogonally-muhiplexed orthogonal amplitude modulation signal; wherein N, M, L, and K are positive integers.