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Related papers: Interference Channels with Coordinated Multi-Point…

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The degrees of freedom (DoF) available for communication provides an analytically tractable way to characterize the information-theoretic capacity of interference channels. In this paper, the DoF of a K-user interference channel is studied…

Information Theory · Computer Science 2016-11-15 Aly El Gamal , V. Sreekanth Annapureddy , Venugopal V. Veeravalli

We study the Degrees of Freedom (DoF) of the K-user interference channel with coordinated multi-point (CoMP) transmission and reception. Each message is jointly transmitted by M_t successive transmitters, and is jointly received by M_r…

Information Theory · Computer Science 2016-11-18 V. Sreekanth Annapureddy , Aly El Gamal , Venugopal V. Veeravalli

The degrees of freedom (DoF) number of the fully connected K-user Gaussian interference channel is known to be K/2. In [1], the DoF for the same channel model was studied while allowing each message to be available at its own transmitter as…

Information Theory · Computer Science 2012-02-29 Aly El Gamal , V. Sreekanth Annapureddy , Venugopal V. Veeravalli

Degrees of freedom (DoF) gains are studied in wireless networks with cooperative transmission under a backhaul load constraint that limits the average number of messages that can be delivered from a centralized controller to base station…

Information Theory · Computer Science 2018-11-27 Meghana Bande , Aly El Gamal , Venugopal V. Veeravalli

In this paper, we explore the benefits, in the sense of total (sum rate) degrees of freedom (DOF), of cooperation and cognitive message sharing for a two-user multiple-input-multiple-output (MIMO) Gaussian interference channel with $M_1$,…

Information Theory · Computer Science 2008-03-13 Chiachi Huang , Syed A. Jafar

A network consisting of a point-to-point (P2P) link and a multiple access channel (MAC) sharing the same medium is considered. The resulting interference network, with three transmitters and two receivers is studied from degrees of freedom…

Information Theory · Computer Science 2011-10-05 Anas Chaaban , Aydin Sezgin

In this paper, the degrees of freedom (DoF) regions of constant coefficient multiple antenna interference channels are investigated. First, we consider a $K$-user Gaussian interference channel with $M_k$ antennas at transmitter $k$, $1\le…

Information Theory · Computer Science 2014-02-18 Mahdi Zamanighomi , Zhengdao Wang

In this paper, we study the degrees of freedom (DoF) of the frequency-selective K-user interference channel in the presence of an instantaneous relay (IR) with multiple receive and transmit antennas. We investigate two scenarios based on…

Information Theory · Computer Science 2021-09-21 Ali H. Abdollahi Bafghi , Mahtab Mirmohseni , Masoumeh Nasiri-Kenari

We consider a single hop interference network with $K$ transmitters and $J$ receivers, all having $M$ antennas. Each transmitter emits an independent message and each receiver requests an arbitrary subset of the messages. This generalizes…

Information Theory · Computer Science 2011-11-01 Lei Ke , Aditya Ramamoorthy , Zhengdao Wang , Huarui Yin

Multiple-antenna broadcast channels with $M$ transmit antennas and $K$ single-antenna receivers is considered, where the channel of receiver $r$ takes one of the $J_r$ finite values. It is assumed that the channel states of each receiver…

Information Theory · Computer Science 2009-10-05 Mohammad Ali Maddah-Ali

An open question posed by Fawzi and Ferme [Transactions on Information Theory 2024], asks whether non-signaling (NS) assistance can increase the capacity of a broadcast channel (BC). We answer this question in the affirmative, by showing…

Information Theory · Computer Science 2026-02-12 Yuhang Yao , Syed A. Jafar

Consider a K-user flat fading MIMO interference channel where the k-th transmitter (or receiver) is equipped with M_k (respectively N_k) antennas. If a large number of statistically independent channel extensions are allowed either across…

Information Theory · Computer Science 2015-05-27 Meisam Razaviyayn , Gennady Lyubeznik , Zhi-Quan Luo

The \emph{degrees of freedom} (DoF) of the 3-user multiple-input multiple-output (MIMO) interference channel (IC) with full channel state information (CSI) and constant channel coefficients are characterized when linear filters are employed…

Information Theory · Computer Science 2014-08-01 Marc Torrellas , Adrian Agustin , Josep Vidal , Olga Muñoz

In this paper, we characterize the degrees of freedom (DoF) for $K $-user $M \times 1 $ multiple-input single-output interference channels with reconfigurable antennas which have multiple preset modes at the receivers, assuming linear…

Information Theory · Computer Science 2016-02-15 Heecheol Yang , Wonjae Shin , Jungwoo Lee

We investigate the total degrees of freedom (DoF) of the K-user rank-deficient interference channel with feedback. For the two-user case, we characterize the total DoF by developing an achievable scheme and deriving a matching upper bound.…

Information Theory · Computer Science 2016-11-17 Sung Ho Chae , Changho Suh , Sae-Young Chung

This paper fully determines the degree-of-freedom (DoF) region of two-user interference channels with arbitrary number of transmit and receive antennas and isotropic fading, where the channel state information is available to the receivers…

Information Theory · Computer Science 2011-08-23 Yan Zhu , Dongning Guo

In this paper, the available spatial Degrees-Of-Freedoms (DOF) in single antenna systems is exploited. A new coding scheme is proposed in which several data streams having fractional multiplexing gains are sent by transmitters and…

Information Theory · Computer Science 2016-11-18 Abolfazl Seyed Motahari , Shahab Oveis Gharan , Mohammad-Ali Maddah-Ali , Amir Keyvan Khandani

We characterize the degrees of freedom (DoF) of multi-way relay MIMO interference networks. In particular, we consider a wireless network consisting of 4 user nodes, each with M antennas, and one N-antenna relay node. In this network, each…

Information Theory · Computer Science 2014-01-23 Chenwei Wang

Interference management in a three-user interference channel with alternating connectivity with only topological knowledge at the transmitters is considered. The network has a Wyner-type channel flavor, i.e., for each connectivity state the…

Information Theory · Computer Science 2013-10-10 Soheyl Gherekhloo , Anas Chaaban , Aydin Sezgin

We consider a single hop wireless X network with $K$ transmitters and $J$ receivers, all with single antenna. Each transmitter conveys for each receiver an independent message. The channel is assumed to have constant coefficients. We…

Information Theory · Computer Science 2011-09-15 Zhengdao Wang
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