OFDM-based overlay systems a promising approach for enhancing spectral efficiency.
Recently, several approaches for increasing spectral efficiency have been proposed to overcome the scarcity of spectral resources and to ensure that the ever-growing demand for high-data rate mobile communications can be met in the future. In this article, we focus on OFDM-based overlay systems that...
| Udgivet i: | IEEE Communications magazine 45, 12 (2007). |
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| Format: | Article |
| Sprog: | English |
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