C. Wang

Publications51
h-index19
Citations1,392
Highly Influential Citations158
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Aiming Perfectly in the Dark-Blind Interference Alignment Through Staggered Antenna Switching
TLDR
We propose a blind interference alignment scheme for the vector broadcast channel where the transmitter is equipped with M antennas and there are K receivers, each equipped with a reconfigurable antenna capable of switching among M preset modes. Expand
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Interference Alignment With Asymmetric Complex Signaling—Settling the Høst-Madsen–Nosratinia Conjecture
TLDR
It has been conjectured by Hø-Madsen and Nosratinia that complex Gaussian interference channels with constant channel coefficients have only one degree-of-freedom regardless of the number of users. Expand
  • 191
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  • PDF
Subspace Alignment Chains and the Degrees of Freedom of the Three-User MIMO Interference Channel
TLDR
We show that the three-user MT × MR Multiple-Input Multiple-Output (MIMO) interference channel where each transmitter is equipped with MT antennas and each receiver isequipped with MR antennas has (M) d(M, N) degrees of freedom (DoF) normalized by time, frequency, and space dimensions, for some positive integer q, which may be seen as a spatial extension factor. Expand
  • 74
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Improved Blind Interference Alignment in a Cellular Environment Using Power Allocation and Cell-Based Clusters
TLDR
We study and compare the performance of BIA and linear zero-forcing beamforming (LZFB) schemes in the downlink of FDD-based cellular and cluster-based architectures. Expand
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  • PDF
Subspace alignment chains and the degrees of freedom of the three-user MIMO interference channel
TLDR
We show that the 3 user MIMO interference channel where each transmitter is equipped with M<sub>T</sub> antennas has min (M/2-1/k, N/2+ 1/k) degrees of freedom (DoF) per user normalized by time, frequency, and space dimensions. Expand
  • 72
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  • PDF
Interference alignment with asymmetric complex signaling
It has been conjectured that complex Gaussian interference channels with constant channel coefficients have only one degree-of-freedom (DoF) regardless of the number of users. While several examples… Expand
  • 86
  • 8
Aligned Interference Neutralization and the Degrees of Freedom of the Two-User Wireless Networks with an Instantaneous Relay
  • Namyoon Lee, C. Wang
  • Computer Science, Engineering
  • IEEE Transactions on Communications
  • 17 July 2013
TLDR
In this paper, it is shown that the exploitation of an instantaneous relay (relay-without-delay) improves DoF gain significantly for a two-user wireless network. Expand
  • 37
  • 7
Design and operation of Blind Interference Alignment in cellular and cluster-based systems
TLDR
We consider the use of Blind Interference Alignment (BIA) in a cellular environment as a means for supporting downlink Multi-User MIMO (MU-MIMO) transmission without the need for channel state information at the transmitter. Expand
  • 37
  • 6
  • PDF
Degrees of Freedom Characterization: The 3-User SISO Interference Channel with Blind Interference Alignment
  • C. Wang
  • Computer Science
  • IEEE Communications Letters
  • 17 March 2014
TLDR
We characterize the degrees of freedom (DoF) of the 3-user Gaussian interference channel where each transmitter is equipped with a single conventional antenna and each receiver equipped with one multi-mode antenna. Expand
  • 29
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J-Circos: an interactive Circos plotter
TLDR
We provide an interactive visualization Circos plot tool (J-Circos) that only requires Java installation, which is typically installed on most computers. Expand
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