Search Results - "Avestimehr, S."

Wireless Network Information Flow: A Deterministic Approach by Avestimehr, A S, Diggavi, S N, Tse, D N C

“…In a wireless network with a single source and a single destination and an arbitrary number of relay nodes, what is the maximum rate of information flow…”
Get full text

Accuracy of the Morphology Enabled Dipole Inversion (MEDI) Algorithm for Quantitative Susceptibility Mapping in MRI by Tian Liu, Weiyu Xu, Spincemaille, P., Avestimehr, A. S., Yi Wang

“…Determining the susceptibility distribution from the magnetic field measured in a magnetic resonance (MR) scanner is an ill-posed inverse problem, because of…”
Get full text

Tactical Jupiter: Dynamic Scheduling of Dispersed Computations in Tactical MANETs by Poylisher, A., Cichocki, A., Guo, K., Hunziker, J., Kant, L., Krishnamachari, B., Avestimehr, S., Annavaram, M.

“…We present Tactical Jupiter, an adaptation of the recently developed Jupiter framework for scheduling of dispersed computations on heterogeneous resources to…”
Get full text

Two-Unicast Wireless Networks: Characterizing the Degrees of Freedom by Shomorony, I., Avestimehr, A. S.

“…We consider two-source two-destination (i.e., two-unicast) multihop wireless networks that have a layered structure with arbitrary connectivity. We show that,…”
Get full text

Interference Channels With Rate-Limited Feedback by Vahid, A., Suh, C., Avestimehr, A. S.

“…We consider the two-user interference channel with rate-limited feedback. Related prior works focus on the case where feedback links have infinite capacity,…”
Get full text

Divide-and-Conquer: Approaching the Capacity of the Two-Pair Bidirectional Gaussian Relay Network by Sezgin, A., Avestimehr, A. S., Khajehnejad, M. A., Hassibi, B.

“…The capacity region of multi-pair bidirectional relay networks, in which a relay node facilitates the communication between multiple pairs of users, is…”
Get full text

Worst-Case Additive Noise in Wireless Networks by Shomorony, I., Avestimehr, A. S.

“…A classical result in information theory states that the Gaussian noise is the worst-case additive noise in point-to-point channels, meaning that, for a fixed…”
Get full text

On the Maximum Achievable Sum-Rate With Successive Decoding in Interference Channels by Yue Zhao, Chee Wei Tan, Avestimehr, A. S., Diggavi, S. N., Pottie, G. J.

“…In this paper, we investigate the maximum achievable sum-rate of the two-user Gaussian interference channel with Gaussian superposition coding and successive…”
Get full text

Cross-Layer Optimization for Wireless Networks With Deterministic Channel Models by Ziyu Shao, Minghua Chen, Avestimehr, A. S., Li, S. R.

“…Cross-layer optimization is a key step in wireless network design that coordinates the resources allocated to different layers in order to achieve globally…”
Get full text

On Achieving Local View Capacity Via Maximal Independent Graph Scheduling by Aggarwal, V, Avestimehr, A S, Sabharwal, A

“…"If we know more, we can achieve more." This adage also applies to communication networks, where more information about the network state translates into…”
Get full text

Two-Hop Interference Channels: Impact of Linear Schemes by Issa, Ibrahim, Fong, Silas L., Avestimehr, Amir Salman

“…We consider the two-hop interference channel (IC), which consists of two source-destination pairs communicating with each other via two relays. We analyze the…”
Get full text

Outage Capacity of the Fading Relay Channel in the Low-SNR Regime by Avestimehr, A.S., Tse, D.N.C.

“…In slow-fading scenarios, cooperation between nodes can increase the amount of diversity for communication. We study the performance limit in such scenarios by…”
Get full text

On the Optimality of Treating Interference as Noise by Chunhua Geng, Naderializadeh, Navid, Avestimehr, Amir Salman, Jafar, Syed A.

“…It is shown that in the K-user interference channel, if for each user the desired signal strength is no less than the sum of the strengths of the strongest…”
Get full text

Analyzing Weighted \ell1 Minimization for Sparse Recovery With Nonuniform Sparse Models by Khajehnejad, M A, Weiyu Xu, Avestimehr, A S, Hassibi, B

“…In this paper, we introduce a nonuniform sparsity model and analyze the performance of an optimized weighted ℓ 1 minimization over that sparsity model. In…”
Get full text

Degrees of Freedom of Two-Hop Wireless Networks: Everyone Gets the Entire Cake by Shomorony, Ilan, Avestimehr, Amir Salman

“…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…”
Get full text

Capacity Results for Binary Fading Interference Channels With Delayed CSIT by Vahid, Alireza, Maddah-Ali, Mohammad Ali, Avestimehr, Amir Salman

“…To study the effect of lack of up-to-date channel state information at the transmitters (CSITs), we consider two-user binary fading interference channels with…”
Get full text

Interference Networks With no CSIT: Impact of Topology by Naderializadeh, Navid, Avestimehr, Amir Salman

“…We consider partially connected K -user interference networks, where the transmitters have no knowledge about the channel gain values, but they are aware of…”
Get full text

Introduction to the Special Issue on Interference Networks by Avestimehr, A. S., El Gamal, H., Jafar, S. A., Ulukus, S., Vishwanath, S.

“…The papers in this special issue focus on interference networks. A majority of the papers focus on capacity analysis of the interference channel and its…”
Get full text

Linear Degrees of Freedom of the X -Channel With Delayed CSIT by Lashgari, Sina, Avestimehr, Amir Salman, Suh, Changho

“…We establish the degrees of freedom (DoF) of the two-user X-channel with delayed channel knowledge at transmitters [i.e., delayed channel state information at…”
Get full text

Cooperative relaying with side information by Avestimehr, S.

“…We study the problem of cooperative communication in the case that the assisting node (i.e. the relay) has access to correlated information about the source…”
Get full text