To code or not to code in multi-hop relay channels

R Vaze, RW Heath Jr - arXiv preprint arXiv:0805.3164, 2008 - arxiv.org
Multi-hop relay channels use multiple relay stages, each with multiple relay nodes, to
facilitate communication between a source and destination. Previously, distributed space …

On the diversity–multiplexing tradeoff in multiple-relay network

SO Gharan, A Bayesteh… - IEEE transactions on …, 2009 - ieeexplore.ieee.org
This paper studies the setup of a multiple-relay network in which K half-duplex multiple-
antenna relays assist in the transmission between either one or several multiple-antenna …

DMT of multi-hop cooperative networks-part II: Half-duplex networks with full-duplex performance

K Sreeram, S Birenjith, PV Kumar - arXiv preprint arXiv:0808.0235, 2008 - arxiv.org
We consider single-source single-sink (ss-ss) multi-hop relay networks, with slow-fading
links and single-antenna half-duplex relay nodes. In a companion paper, we established …

DMT of multi-hop cooperative networks-part I: basic results

K Sreeram, S Birenjith, PV Kumar - arXiv preprint arXiv:0808.0234, 2008 - arxiv.org
In this two-part paper, the DMT of cooperative multi-hop networks is examined. The focus is
on single-source single-sink (ss-ss) multi-hop relay networks having slow-fading links and …

Maximizing reliability in multi-hop wireless networks

R Vaze, RW Heath - 2008 IEEE International Symposium on …, 2008 - ieeexplore.ieee.org
Distributed space-time block coding is a diversity technique to mitigate the effects of fading
in multi-hop wireless networks, where multiple relay stages are used by a source to …

DMT of multi-hop cooperative networks-Part II: Layered and multi-antenna networks

K Sreeram, S Birenjith, PV Kumar - 2008 IEEE International …, 2008 - ieeexplore.ieee.org
We consider single-source, single-sink (ss-ss) multi-hop relay networks, with slow-fading
Rayleigh links. This two-part paper aims at giving explicit protocols and codes to achieve the …

Cascaded orthogonal space–time block codes for wireless multi-hop relay networks

R Vaze, RW Heath - EURASIP Journal on Wireless Communications and …, 2013 - Springer
Distributed space–time block coding is a diversity technique to mitigate the effects of fading
in multi-hop wireless networks, where multiple relay stages are used by a source to …

Multilayer coding over multihop single-user networks

V Pourahmadi, A Bayesteh… - IEEE transactions on …, 2012 - ieeexplore.ieee.org
This paper considers a two-hop network in which information is transmitted from a source via
a relay to a destination. It is assumed that channels are quasi-static fading with additive …

DMT of multihop networks: End points and computational tools

K Sreeram, S Birenjith, PV Kumar - IEEE transactions on …, 2012 - ieeexplore.ieee.org
In this paper, the diversity-multiplexing gain tradeoff (DMT) of single-source, single-sink (ss-
ss), multihop relay networks having slow-fading links is studied. In particular, the two end …

Diversity-multiplexing tradeoff in multiantenna multirelay networks: Improvements and some optimality results

SO Gharan, A Bayesteh… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
This paper investigates the benefits of amplify-and-forward (AF) relaying in the setup of
multiantenna wireless networks. For this purpose, random sequential (RS) relaying is …