Publications associées à RAYLEIGH FADING MULTIPLE ACCESS CHANNEL WITHOUT CHANNEL STATE INFORMATION

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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

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

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

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

A coordinate system for Gaussian Networks

Emmanuel Abbé

This paper studies network information theory problems where the external noise is Gaussian distributed. In particular, the Gaussian broadcast channel with coherent fading and the Gaussian interference channel are investigated. It is shown that in these pr ...

Institute of Electrical and Electronics Engineers2012

A novel low complexity data demodulation algorithm for pulse position modulation

Pierre-André Farine, Cyril Botteron

In this paper, a low complexity data demodulation algorithm is proposed that requires time of arrival information of the received signal exclusively. As an application example, the algorithm is applied to an ultra-wideband impulse radio communication syste ...

2012

RAYLEIGH FADING MULTIPLE ACCESS CHANNEL WITHOUT CHANNEL STATE INFORMATION

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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

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

Ergodic Interference Alignment

Estimation of Sparse MIMO Channels with Common Support

Approximate Feedback Capacity of the Gaussian Multicast Channel

A coordinate system for Gaussian Networks

A novel low complexity data demodulation algorithm for pulse position modulation

Estimation of Sparse MIMO Channels with Common Support

Approximate Ergodic Capacity of a Class of Fading 2x2x2 Networks

Approximate Feedback Capacity of the Gaussian Multicast Channel

A coordinate system for Gaussian Networks

Diffusion LMS strategies for parameter estimation over fading wireless channels

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

Ergodic Interference Alignment

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

A novel low complexity data demodulation algorithm for pulse position modulation

Proof of the Outage Probability Conjecture for MISO Channels