Publications associées à Rayleigh Fading Multiple Access Channel without Channel State Information

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Optimizing Quantize-Map-and-Forward in Slow Fading Relay Networks

Christina Fragouli, Ayan Sengupta, I-Hsiang Wang

Quantize-Map-and-Forward (QMF) relaying has been shown to achieve the optimal diversity-multiplexing trade-off (DMT) for the slow fading single-antenna relay channel, regardless of whether the relay is full-duplex or half-duplex. A key reason for the DMT o ...

Ieee2013

Cooperative Relaying at Finite SNR–-Role of Quantize-Map-and-Forward

Christina Fragouli, Ayan Sengupta, I-Hsiang Wang

Quantize-Map-and-Forward (QMF) relaying has been shown to achieve the optimal diversity-multiplexing trade-off (DMT) for arbitrary slow fading full-duplex networks as well as for the single-relay half-duplex network. A key reason for the DMT-optimality of ...

2013

On the Achievable Rate of Stationary Rayleigh Flat-Fading Channels With Gaussian Inputs

In this work, a discrete-time stationary Rayleigh flat-fading channel with unknown channel state information at transmitter and receiver side is studied. The law of the channel is presumed to be known to the receiver. For independent identically distribute ...

Ieee-Inst Electrical Electronics Engineers Inc2013

Proof of the Outage Probability Conjecture for MISO Channels

Emre Telatar, Emmanuel Abbé

It is conjectured that the covariance matrices minimizing the outage probability under a power constraint for multiple-input multiple-output channels with Gaussian fading are diagonal with either zeros or constant values on the diagonal. In the multiple-in ...

Institute of Electrical and Electronics Engineers2013

Approximate Ergodic Capacity of a Class of Fading 2x2x2 Networks

Michael Christoph Gastpar, Chien-Yi Wang

We study a 2-user 2-hop network with 2 relays in which channel coefficients are independently drawn from continuous distributions and vary over time. For a broad class of channel distributions, we characterize the ergodic sum capacity within a constant num ...

2012

Ergodic Interference Alignment

Michael Christoph Gastpar

This paper develops a new communication strategy, ergodic interference alignment, for the K-user interference channel with time-varying fading. At any particular time, each receiver will see a superposition of the transmitted signals plus noise. The standa ...

Institute of Electrical and Electronics Engineers2012

Approximate Ergodic Capacity of a Class of Fading 2-user 2-hop Networks

Michael Christoph Gastpar, Chien-Yi Wang

We consider a fading AWGN 2-user 2-hop network in which the channel coefficients are independently and identically distributed (i.i.d.) drawn from a continuous distribution and vary over time. For a broad class of channel distributions, we characterize the ...

Ieee2012

Estimation of Sparse MIMO Channels with Common Support

Martin Vetterli, Ali Hormati, Yann Barbotin

We consider the problem of estimating sparse communication channels in the MIMO context. In small to medium bandwidth communications, as in the current standards for OFDM and CDMA communication systems (with bandwidth up to 20 MHz), such channels are indiv ...

2012

Approximate Feedback Capacity of the Gaussian Multicast Channel

Michael Christoph Gastpar, Naveen Goela

We characterize the capacity region to within log {2(M − 1)} bits/s/Hz for the M -transmitter K -receiver Gaus- sian multicast channel with feedback where each receiver wishes to decode every message from the M transmitters. Extending Cover-Leung’s achieva ...

2012

Rayleigh Fading Multiple Access Channel without Channel State Information

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Optimizing Quantize-Map-and-Forward in Slow Fading Relay Networks

Cooperative Relaying at Finite SNR–-Role of Quantize-Map-and-Forward

Diffusion LMS strategies for parameter estimation over fading wireless channels

On the Achievable Rate of Stationary Rayleigh Flat-Fading Channels With Gaussian Inputs

Proof of the Outage Probability Conjecture for MISO Channels

Approximate Ergodic Capacity of a Class of Fading 2x2x2 Networks

Ergodic Interference Alignment

Approximate Ergodic Capacity of a Class of Fading 2-user 2-hop Networks

Estimation of Sparse MIMO Channels with Common Support

Approximate Feedback Capacity of the Gaussian Multicast Channel

Cooperative Relaying at Finite SNR–-Role of Quantize-Map-and-Forward

Proof of the Outage Probability Conjecture for MISO Channels

Ergodic Interference Alignment

Optimizing Quantize-Map-and-Forward in Slow Fading Relay Networks

Diffusion LMS strategies for parameter estimation over fading wireless channels

Approximate Ergodic Capacity of a Class of Fading 2-user 2-hop Networks

Approximate Ergodic Capacity of a Class of Fading 2x2x2 Networks

On the Achievable Rate of Stationary Rayleigh Flat-Fading Channels With Gaussian Inputs

Estimation of Sparse MIMO Channels with Common Support

Approximate Feedback Capacity of the Gaussian Multicast Channel