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INFOCOM
2012
IEEE
8 years 2 months ago
Uplink soft frequency reuse for self-coexistence of cognitive radio networks operating in white-space spectrum
—Recent advances in cognitive radio (CR) technology have brought about a number of wireless standards that support opportunistic access to available white-space spectrum. Address...
Bo Gao, Jung-Min Park 0001, Yaling Yang
ICC
2011
IEEE
202views Communications» more  ICC 2011»
8 years 11 months ago
Outage Probability Analysis for Collocated Spectrum-Sharing Macrocell and Femtocells
—Femtocells have been considered by the wireless industry as a promising solution not only to improve indoor coverage, but also to unload traffic from already overburdened macroc...
Xiaoli Chu, Joyce Y. Wu, Haibo Wang
CISS
2010
IEEE
9 years 3 months ago
Self-organizing Dynamic Fractional Frequency Reuse on the uplink of OFDMA systems
Reverse link (or uplink) performance of cellular systems is becoming increasingly important with the emergence of new uplink-bandwidth intensive applications such as Video Share [...
Balaji Rengarajan, Alexander L. Stolyar, Harish Vi...
ICASSP
2011
IEEE
9 years 3 months ago
Joint bandwidth and power allocation in cognitive radio networks under fading channels
A problem of joint optimal bandwidth and power allocation in cognitive networks under fading channels is considered. It is assumed that multiple secondary users (SUs) share the sp...
Xiaowen Gong, Sergiy A. Vorobyov, Chintha Tellambu...
TWC
2011
275views more  TWC 2011»
9 years 6 months ago
A Novel Uplink Multiple Access Scheme Based on TDS-FDMA
—This contribution proposes a novel time-domain synchronous frequency division multiple access (TDS-FDMA) scheme to support multi-user uplink application. A unified frame struct...
Linglong Dai, Zhaocheng Wang, Sheng Chen
ICC
2000
IEEE
105views Communications» more  ICC 2000»
10 years 4 months ago
FDMA Capacity of the Gaussian Multiple Access Channel With ISI
— This paper proposes a numerical method for characterizing the achievable rate region for a Gaussian multiple access channel with ISI under the frequency division multiple acces...
Wei Yu, John M. Cioffi
PIMRC
2008
IEEE
10 years 6 months ago
Blind channel estimation based on Second Order Statistics for IFDMA
—In this paper, the Interleaved Frequency Division Multiple Access (IFDMA) scheme is considered as a special case of Discrete Fourier Transform (DFT)-precoded Orthogonal Frequenc...
Anja Sohl, Anja Klein
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