Title :
A simple encodable/decodable OFDM QPSK code with low peak-to-mean envelope power ratio
Author :
Chong, Chan Vee ; Tarokh, Vahid
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., MIT, Cambridge, MA, USA
fDate :
11/1/2001 12:00:00 AM
Abstract :
We present a quadrature phase-shift keying (QPSK) coding scheme for multicarrier communications. The scheme supports simple encoding and extremely simple maximum-likelihood (ML) decoding algorithms for orthogonal frequency-division multiplexing (OFDM). Moreover, all the codewords have peak-to-mean envelope power ratio (PMEPR) of at most 6 dB
Keywords :
Hadamard transforms; OFDM modulation; maximum likelihood decoding; modulation coding; quadrature phase shift keying; ML decoding algorithms; OFDM; codewords; encodable/decodable OFDM QPSK code; fast Hadamard transform; low peak-to-mean envelope power ratio; maximum-likelihood decoding algorithms; multicarrier communications; orthogonal frequency-division multiplexing; quadrature phase-shift keying; Art; Error correction codes; Frequency division multiplexing; Maximum likelihood decoding; Notice of Violation; OFDM; Phase shift keying; Power control; Quadrature phase shift keying; Wireless communication;
Journal_Title :
Information Theory, IEEE Transactions on
