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Your search keyword '"Rotated Spreading"' showing total 5 results
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5 results on '"Rotated Spreading"'

1. Performance of Downlink Group-Orthogonal Multicarrier Systems

Author

Riera-Palou, Felip, Femenias, Guillem, Ramis, Jaume, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Cuenca, Pedro, editor, and Orozco-Barbosa, Luiz, editor

Published
2006
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5. Detection Opportunities for CDM-OFDMA

Author

Serkan Ayaz, Armin Dammann, and Ronald Raulefs

Subjects
Scheme (programming language), Sequence, Rotated spreading, Frequency-division multiple access, Code division multiple access, Orthogonal frequency-division multiple access, Single antenna interference cancellation, EXIT, Electronic engineering, Demodulation, Granularity, computer, CDD, Computer Science::Information Theory, Mathematics, computer.programming_language
Abstract

In this paper, we present a synchronous code division multiplexing (CDM) scheme that uses orthogonal frequency division multiple access (OFDMA) to separate different users. The CDM component multiplies each data symbol with a different phase shift. This results in unique chips, which represent a new alphabet. The potential of this alphabet is shown by EXIT-charts. Therefore, the receiver can choose between an improved interference cancellation scheme as well as an iterative decoder. Latter does not rely on all chips of a spread sequence and increases the potential granularity of the CDM scheme

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