Publications associées à Rayleigh fading

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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

Cramer-Karhunen-Loeve representation and harmonic principal component analysis of functional time series

Victor Panaretos, Shahin Tavakoli

We develop a doubly spectral representation of a stationary functional time series, and study the properties of its empirical version. The representation decomposes the time series into an integral of uncorrelated frequency components (Cramer representatio ...

Elsevier2013

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

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

New achievable rates for the Gaussian broadcast channel with feedback

Michael Christoph Gastpar, Amos Lapidoth

A coding scheme for the two-receivers Gaussian broadcast channel (BC) with feedback is proposed. For some asymmetric settings it achieves new rate pairs. Moreover, it achieves prelog 2 when the noises at the two receivers are fully positively correlated an ...

IEEE2011

Does Fast Adaptive Modulation Always Outperform Slow Adaptive Modulation?

Laura Toni

Link adaptation techniques are important modern and future wireless communication systems to cope with quality of service fluctuations in fading channels. These techniques require the knowledge of the channel state obtained with a portion of resources devo ...

Institute of Electrical and Electronics Engineers2011

Graph-based codes for quantize-map-and-forward relaying

Christina Fragouli, Suhas Diggavi, Ayfer Özgür Aydin, Siddhartha Brahma, Ayan Sengupta

We present a structured Quantize-Map-and- Forward (QMF) scheme for cooperative communication over wireless networks, that employs LDPC ensembles for the node operations and message-passing algorithms for decoding. We demonstrate through extensive simulatio ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2011

Rayleigh fading

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Proof of the Outage Probability Conjecture for MISO Channels

Cramer-Karhunen-Loeve representation and harmonic principal component analysis of functional time series

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

A coordinate system for Gaussian Networks

New achievable rates for the Gaussian broadcast channel with feedback

Does Fast Adaptive Modulation Always Outperform Slow Adaptive Modulation?

Graph-based codes for quantize-map-and-forward relaying

On the Broadcast Capacity of Wireless Networks With Cooperative Relays

Proof of the Outage Probability Conjecture for MISO Channels

Cramer-Karhunen-Loeve representation and harmonic principal component analysis of functional time series

A coordinate system for Gaussian Networks

Does Fast Adaptive Modulation Always Outperform Slow Adaptive Modulation?

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

Approximate Ergodic Capacity of a Class of Fading 2x2x2 Networks

Ergodic Interference Alignment

On the Broadcast Capacity of Wireless Networks With Cooperative Relays

Graph-based codes for quantize-map-and-forward relaying

New achievable rates for the Gaussian broadcast channel with feedback