Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Björn Ottersten"'
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2021, Iss 1, Pp 1-21 (2021)
Abstract Physical layer security (PLS) has been proposed to afford an extra layer of security on top of the conventional cryptographic techniques. Unlike the conventional complexity-based cryptographic techniques at the upper layers, physical layer s
Externí odkaz:
https://doaj.org/article/649846dc968545d29f318a2eee25f3cb
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2021, Iss 1, Pp 1-27 (2021)
Abstract In unmanned aerial vehicle (UAV)-assisted networks, UAV acts as an aerial base station which acquires the requested data via backhaul link and then serves ground users (GUs) through an access network. In this paper, we investigate an energy
Externí odkaz:
https://doaj.org/article/2b87ea3cd5c94d929efb504685541b74
Publikováno v:
Sensors, Vol 22, Iss 14, p 5385 (2022)
The search for a highly portable and efficient supply of energy to run small-scale wireless gadgets has captivated the human race for the past few years. As a part of this quest, the idea of realizing a Quantum battery (QB) seems promising. Like any
Externí odkaz:
https://doaj.org/article/7324f01ed0c142ada73c7b2252e8c5b4
Publikováno v:
Sensors, Vol 21, Iss 18, p 6013 (2021)
In order to support a massive number of resource-constrained Internet-of-Things (IoT) devices and machine-type devices, it is crucial to design a future beyond 5G/6G wireless networks in an energy-efficient manner while incorporating suitable network
Externí odkaz:
https://doaj.org/article/6f86a4fc78b545c6a0339ac5ec835e6c
Autor:
Mohammad Patwary, Shree Krishna Sharma, Symeon Chatzinotas, Yunfei Chen, Mohamed Abdel-Maguid, Raed Abd-Alhameed, James Noras, Björn Ottersten
Publikováno v:
Digital Communications and Networks, Vol 2, Iss 4, Pp 167-174 (2016)
Exploring innovative cellular architectures to achieve enhanced system capacity and good coverage has become a critical issue towards realizing the next generation of wireless communications. In this context, this paper proposes a novel concept of Un
Externí odkaz:
https://doaj.org/article/609683c2bfdd46e6a4ca603c170bad7d
Autor:
Konstantinos Papadopoulos, Girum Demisse, Enjie Ghorbel, Michel Antunes, Djamila Aouada, Björn Ottersten
Publikováno v:
Sensors, Vol 19, Iss 16, p 3503 (2019)
The Dense Trajectories concept is one of the most successful approaches in action recognition, suitable for scenarios involving a significant amount of motion. However, due to noise and background motion, many generated trajectories are irrelevant to
Externí odkaz:
https://doaj.org/article/dc16885328624ba68dd784b8cf3eeb09
Publikováno v:
IET Computer Vision, Vol 7, Iss 5, Pp 335-345 (2013)
This study presents a real‐time refinement procedure for depth data acquired by RGB‐D cameras. Data from RGB‐D cameras suffer from undesired artefacts such as edge inaccuracies or holes owing to occlusions or low object remission. In this work,
Externí odkaz:
https://doaj.org/article/11790ffb584b4ea281b3f31b22d97e17
Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2009 (2009)
The interaction of two transmit-receive pairs coexisting in the same area and communicating using the same portion of the spectrum is analyzed from a game theoretic perspective. Each pair utilizes a decentralized iterative water-filling scheme to gre
Externí odkaz:
https://doaj.org/article/283411728b194b8daa9e9da7a11e6f49
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2008 (2008)
Recently, the capacity region of the MIMO broadcast channel (BC) was completely characterized and duality between MIMO multiple access channel (MAC) and MIMO BC with perfect channel state information (CSI) at transmitter and receiver was established.
Externí odkaz:
https://doaj.org/article/de7e0a722b4e40c2b341c219e9483a29
Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2008 (2008)
The performance of multiuser MIMO systems can be significantly increased by channel-aware scheduling and signal processing at the transmitters based on channel state information. In the multipleantenna uplink multicarrier scenario, the base station d
Externí odkaz:
https://doaj.org/article/4220afbe85b64ed89ce52141d826f9d7