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In this paper, we analyze the fundamental tradeoff of diversity and multiplexing in multi-input multi-output (MIMO) channels with imperfect channel state information at the transmitter (CSIT). We show that with imperfect CSIT, a higher…

Information Theory · Computer Science 2009-08-16 Xiao Juan Zhang , Yi Gong

Diversity-multiplexing tradeoff (DMT) presents a compact framework to compare various MIMO systems and channels in terms of the two main advantages they provide (i.e. high data rate and/or low error rate). This tradeoff was characterized…

Information Theory · Computer Science 2016-11-15 Sergey Loyka , George Levin

In this work, we investigate the diversity-multiplexing tradeoff (DMT) of the multiple-antenna (MIMO) static half-duplex relay channel. A general expression is derived for the DMT upper bound, which can be achieved by a compress-and-forward…

Information Theory · Computer Science 2009-11-09 Olivier Leveque , Christophe Vignat , Melda Yuksel

In this paper the fading multiple antenna (MIMO) wire-tap channel is investigated under short term power constraints. The secret diversity gain and the secret multiplexing gain are defined. Using these definitions, the secret…

Information Theory · Computer Science 2015-03-13 Melda Yuksel , Elza Erkip

An extension of the popular diversity-multiplexing tradeoff framework to the low-SNR (or wideband) regime is proposed. The concept of diversity gain is shown to be redundant in this regime since the outage probability is SNR-independent and…

Information Theory · Computer Science 2015-03-19 Sergey Loyka , Georgy Levin

A multi-hop relay channel with multiple antenna terminals in a quasi-static slow fading environment is considered. For both full-duplex and half-duplex relays the fundamental diversity-multiplexing tradeoff (DMT) is analyzed. It is shown…

Information Theory · Computer Science 2016-11-18 Deniz Gunduz , Andrea Goldsmith , H. Vincent Poor

Diversity-Multiplexing tradeoff (DMT) is a coarse high SNR approximation of the fundamental tradeoff between data rate and reliability in a slow fading channel. In this paper, we characterize the fundamental DMT of the two user single…

Information Theory · Computer Science 2009-09-08 Adnan Raja , Pramod Viswanath

The potential benefits of multiple-antenna systems may be limited by two types of channel degradations rank deficiency and spatial fading correlation of the channel. In this paper, we assess the effects of these degradations on the…

Information Theory · Computer Science 2007-07-13 Hyundong Shin , Moe Z. Win

Diversity-multiplexing tradeoff (DMT) was characterized asymptotically (SNR-> infinity) for i.i.d. Rayleigh fading channel by Zheng and Tse [1]. The SNR-asymptotic DMT overestimates the finite-SNR one [2]. This paper outlines a number of…

Information Theory · Computer Science 2016-11-17 Sergey Loyka , Georgy Levin

A multi-hop two-way relay channel is considered in which all the terminals are equipped with multiple antennas. Assuming independent quasi-static Rayleigh fading channels and channel state information available at the receivers, we…

Information Theory · Computer Science 2008-12-19 Deniz Gunduz , Andrea Goldsmith , H. Vincent Poor

The diversity-multiplexing tradeoff (DMT) for interference networks, such as the interference channel, the X channel, the Z interference channel and the Z channel, is analyzed. In particular, we investigate the impact of rate-splitting and…

Information Theory · Computer Science 2009-05-18 Aydin Sezgin , Syed Ali Jafar , Hamid Jafarkhani

The diversity-multiplexing tradeoff (DMT) provides a fundamental performance metric for different multiple-input multiple-output (MIMO) schemes in wireless communications. In this paper, we explore the block fading optical wireless…

Information Theory · Computer Science 2021-12-10 Sufang Yang , Longguang Li , Haoyue Tang , Jintao Wang

Fading MIMO relay channels are studied analytically, when the source and destination are equipped with multiple antennas and the relays have a single one. Compact closed-form expressions are obtained for the outage probability under i.i.d.…

Information Theory · Computer Science 2016-11-17 Sergey Loyka , Georgy Levin

In this work the optimal diversity-multiplexing tradeoff (DMT) is investigated for the multiple-input multiple-output fading multiple-access channels with no power constraints (infinite constellations). For K users (K>1), M transmit…

Information Theory · Computer Science 2015-05-22 Yair Yona , Meir Feder

In this paper, we extend the diversity and multiplexing tradeoff (DMT) analysis from point-to-point channels to cellular systems to evaluate the impact of inter-cell interference on the system reliability and efficiency. Fundamental…

Information Theory · Computer Science 2012-03-29 Xiaoshi Song , Changchuan Yin , Danpu Liu

The fundamental diversity-multiplexing tradeoff (DMT) of the quasi-static fading, symmetric $2$-user MIMO interference channel (IC) with channel state information at the transmitters (CSIT) and a short term average power constraint is…

Information Theory · Computer Science 2010-06-08 Sanjay Karmakar , Mahesh K. Varanasi

In this paper, we address the finite Signal-to-Noise Ratio (SNR) Diversity-Multiplexing Tradeoff (DMT) of the Multiple Input Multiple Output (MIMO) wiretap channel, where a Zero-Forcing (ZF) transmit scheme, that intends to send the secret…

Cryptography and Security · Computer Science 2011-12-30 Zouheir Rezki , Mohamed-Slim Alouini

The fundamental generalized diversity-multiplexing tradeoff (GDMT) of the quasi-static fading MIMO Z interference channel (Z-IC) is established for the general Z-IC with an arbitrary number of antennas at each node under the assumptions of…

Information Theory · Computer Science 2012-06-19 Sanjay Karmakar , Mahesh K. Varanasi

This paper studies the setup of a multiple-relay network in which $K$ half-duplex multiple-antenna relays assist in the transmission between a/several multiple-antenna transmitter(s) and a multiple-antenna receiver. Each two nodes are…

Information Theory · Computer Science 2008-06-08 Shahab Oveis Gharan , Alireza Bayesteh , Amir K. Khandani

The fundamental diversity-multiplexing tradeoff of the three-node, multi-input, multi-output (MIMO), quasi-static, Rayleigh faded, half-duplex relay channel is characterized for an arbitrary number of antennas at each node and in which…

Information Theory · Computer Science 2011-07-01 Sanjay Karmakar , Mahesh K. Varanasi
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