Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Dimitris Toumpakaris"'
Publikováno v:
Advances in Multimedia, Vol 2007 (2007)
Queue Proportional Scheduling (QPS) has been shown to be throughput optimal for Gaussian Broadcast Channels. This paper examines the use of QPS for Video Broadcasting. First, the behavior of QPS is examined as the scheduling frequency is reduced and
Externí odkaz:
https://doaj.org/article/10755fbe64b14780ad9159117ab98464
Autor:
Jorge Plata-Chaves, Ana Garcia Armada, Dimitris Toumpakaris, Syed A. Jafar, Maximo Morales-Cespedes
Publikováno v:
IEEE Transactions on Signal Processing. 65:5121-5136
We propose a cognitive blind interference alignment (BIA) scheme for macro-femto two-tier networks where the users are equipped with a single reconfigurable antenna. The proposed scheme fully cancels the intracell interference in both the upper and l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7013998c33eebf3adfe41d878589cc5
https://doi.org/10.1109/tsp.2017.2721912
https://doi.org/10.1109/tsp.2017.2721912
Publikováno v:
IEEE Sensors Journal. 17:139-150
Efficient data compression at a low processing and communication cost is a key challenge in wireless sensor networks. In this paper, we propose a novel multiterminal source code design, which, contrary to prior work, utilizes both the intra- and the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f70d4774365268b51c074fcccd92e9cb
https://doi.org/10.1109/jsen.2016.2585042
https://doi.org/10.1109/jsen.2016.2585042
Publikováno v:
IEEE Transactions on Wireless Communications. 15:1866-1880
Motivated by applications such as battery-operated wireless sensor networks (WSN), we propose an easy-to-implement low-complexity two-way relaying scheme. In particular, we address the challenge of improving the standard two-way selective decode-and-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f44ed343f7ca50e123e4068897f09f67
https://doi.org/10.1109/twc.2015.2496949
https://doi.org/10.1109/twc.2015.2496949
Autor:
Ana Garcia Armada, Jorge Plata-Chaves, Syed A. Jafar, Dimitris Toumpakaris, Maximo Morales-Cespedes
Publikováno v:
e-Archivo. Repositorio Institucional de la Universidad Carlos III de Madrid
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We propose a blind interference alignment scheme for partially connected cellular networks. The scheme cancels both intracell and intercell interference by relying on receivers with one reconfigurable antenna and by allowing users at the cell edge to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::34760b27b35f4d95b18232eccb2a76bd
https://doi.org/10.1109/tsp.2014.2362104
https://doi.org/10.1109/tsp.2014.2362104
Autor:
Stavros Kotsopoulos, Oldrich Slavata, Dimitris Toumpakaris, Odysseas Zisimopoulos, Jan Holub, Pavel Souček
Publikováno v:
International Journal of Interdisciplinary Telecommunications and Networking. 6:35-41
When audio is transmitted over the wireless channel, the quality of the audio depends on the signal-to-noise ratio (SNR). The purpose of this paper is to investigate if rate adaptation can be avoided, and a system can rely instead on the audio encode
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0203513cf5979d1ab03f40a6d59c21ee
https://doi.org/10.4018/ijitn.2014100104
https://doi.org/10.4018/ijitn.2014100104
Autor:
Yiqing Zhou, Xiang-Gen Xia, Dimitris Toumpakaris, Kai-Kit Wong, Fumiyuki Adachi, Wei-Ping Zhu, Lie-Liang Yang, Heidi Steendam
Publikováno v:
IEEE Journal on Selected Areas in Communications. 31:1977-1980
The articles in this special issue focus on the technology and applications supported by virtual multiple antennas, or VMIMOs. The impetus for this has been spurred by the strong desire to understand VMIMO, which is a rapidly growing research area. V
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a06331f262c164af9332829fef2a74d
https://doi.org/10.1109/jsac.2013.131001
https://doi.org/10.1109/jsac.2013.131001
Publikováno v:
IEEE Transactions on Wireless Communications. 12:3510-3521
Over the last few years high data rate wireless transmission has gained considerable attention in hot spot areas, including high buildings. It has been demonstrated that distributed antenna systems (DASs) improve the performance of the indoor environ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4d8dd4c4cf5ea39eb57a7d98fc332b8
https://doi.org/10.1109/twc.2013.060513.121755
https://doi.org/10.1109/twc.2013.060513.121755
Publikováno v:
WCNC
We devise a centralized node localization algorithm, which relies on linearization and employs the orthogonal matching pursuit algorithm at its core, albeit with modifications and additional steps in order to address the localisation problem. The mai
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f95f54ea03f51a5f1f653415e9a4422a
https://doi.org/10.1109/wcnc.2016.7564750
https://doi.org/10.1109/wcnc.2016.7564750
Publikováno v:
IEEE Journal on Selected Areas in Communications. 29:1172-1184
This paper addresses the design of optimal and near-optimal detectors in an interference channel with fading and with additive white Gaussian noise (AWGN), where the transmitters employ discrete modulation schemes as in practical communication scenar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c032069d26ad716d80f5517704a73770
https://doi.org/10.1109/jsac.2011.110606
https://doi.org/10.1109/jsac.2011.110606