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 …

Degrees of freedom of two-hop wireless networks: Everyone gets the entire cake

I Shomorony, AS Avestimehr - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
We show that fully connected two-hop wireless networks with K sources, K relays, and K
destinations have K degrees of freedom both in the case of time-varying channel coefficients …

The three-node wireless network: Achievable rates and cooperation strategies

L Lai, K Liu, H El Gamal - IEEE Transactions on Information …, 2006 - ieeexplore.ieee.org
We consider a wireless network composed of three nodes and limited by the half-duplex and
total power constraints. This formulation encompasses many of the special cases studied in …

Two-unicast wireless networks: Characterizing the degrees of freedom

I Shomorony, AS Avestimehr - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
We consider two-source two-destination (ie, two-unicast) multihop wireless networks that
have a layered structure with arbitrary connectivity. We show that, if the channel gains are …

Distributed beamforming in wireless multiuser relay-interference networks with quantized feedback

E Koyuncu, H Jafarkhani - IEEE transactions on information …, 2012 - ieeexplore.ieee.org
We study fixed data rate communication schemes for wireless relay-interference networks
with any number of transmitters, relays, and receivers. The transmitters and the relays have …

Degrees of freedom region of a class of multisource Gaussian relay networks

SW Jeon, SY Chung, SA Jafar - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
We study a layered K-user M-hop Gaussian relay network consisting of Km nodes in the m th
layer, where M≥ 2 and K= K 1= KM+ 1. We observe that the time-varying nature of wireless …

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 …

Degrees of freedom of wireless X networks

VR Cadambe, SA Jafar - 2008 IEEE International Symposium …, 2008 - ieeexplore.ieee.org
We study the degrees of freedom characterization of wireless X networks, ie networks of M
distributed single antenna transmitters and N distributed single antenna receivers where …

Amplify-and-forward in wireless relay networks: Rate, diversity, and network size

S Borade, L Zheng, R Gallager - IEEE Transactions on …, 2007 - ieeexplore.ieee.org
A wireless network with fading and a single source-destination pair is considered. The
information reaches the destination via multiple hops through a sequence of layers of single …

[PDF][PDF] On capacity under received-signal constraints

M Gastpar - Proceedings of the 42nd annual allerton conference on …, 2004 - Citeseer
In a world where different systems have to share the same spectrum, the received
(interfering) power may be a more relevant constraint than the maximum transmit power …