Stochastic geometry and random graphs for the analysis and design of wireless networks

M Haenggi, JG Andrews, F Baccelli… - IEEE journal on …, 2009 - ieeexplore.ieee.org
Wireless networks are fundamentally limited by the intensity of the received signals and by
their interference. Since both of these quantities depend on the spatial location of the nodes …

Interference Alignment and Degrees of Freedom of the -User Interference Channel

VR Cadambe, SA Jafar - IEEE transactions on information …, 2008 - ieeexplore.ieee.org
For the fully connected K user wireless interference channel where the channel coefficients
are time-varying and are drawn from a continuous distribution, the sum capacity is …

Gaussian interference channel capacity to within one bit

RH Etkin, NC David, H Wang - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
The capacity of the two-user Gaussian interference channel has been open for 30 years.
The understanding on this problem has been limited. The best known achievable region is …

Interference Alignment and the Degrees of Freedom of Wireless Networks

VR Cadambe, SA Jafar - IEEE Transactions on Information …, 2009 - ieeexplore.ieee.org
We explore the degrees of freedom of M times N user wireless X networks, ie, networks of M
transmitters and N receivers where every transmitter has an independent message for every …

Interference alignment with asymmetric complex signaling—Settling the Høst-Madsen–Nosratinia conjecture

VR Cadambe, SA Jafar, C Wang - IEEE Transactions on …, 2010 - ieeexplore.ieee.org
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 …

Aligned Interference Neutralization and the Degrees of Freedom of the 222 Interference Channel

T Gou, SA Jafar, C Wang, SW Jeon… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
We show that the 2× 2× 2 interference network, ie, the multihop interference network formed
by concatenation of two two-user interference channels achieves the min-cut outer bound …

Degrees of freedom of wireless networks with relays, feedback, cooperation, and full duplex operation

VR Cadambe, SA Jafar - IEEE Transactions on Information …, 2009 - ieeexplore.ieee.org
We find the degrees of freedom of a network with S source nodes, R relay nodes, and D
destination nodes, with random time-varying/frequency-selective channel coefficients and …

Rethinking information theory for mobile ad hoc networks

J Andrews, S Shakkottai, R Heath… - IEEE …, 2008 - ieeexplore.ieee.org
The subject of this article is the long standing open problem of develo** a general
capacity theory for wireless networks, particularly a theory capable of describing the …

Generalized Degrees of Freedom of the Symmetric Gaussian User Interference Channel

SA Jafar, S Vishwanath - IEEE Transactions on Information …, 2010 - ieeexplore.ieee.org
We characterize the generalized degrees of freedom of the K user symmetric Gaussian
interference channel where all desired links have the same signal-to-noise ratio (SNR) and …

Feedback capacity of the Gaussian interference channel to within 2 bits

C Suh, NC David - IEEE Transactions on Information Theory, 2011 - ieeexplore.ieee.org
We characterize the capacity region to within 2 bits/s/Hz and the symmetric capacity to within
1 bit/s/Hz for the two-user Gaussian interference channel (IC) with feedback. We develop …