12 Hits in 6.5 sec

Enhancement of Rural Connectivity by Recycling TV Towers with Massive MIMO Techniques [article]

Ammar El Falou, Mohamed-Slim Alouini
2022 arXiv   pre-print
This is of high interest as recycling TV towers can enhance the rural connectivity with low expenditures.  ...  In this article, we investigate the use of TV towers with multi user (MU) massive multiple input multiple output (mMIMO) techniques to offer connectivity in rural areas.  ...  His current research interests include massive MIMO systems, rural connectivity and power-efficient wireless communication systems.  ... 
arXiv:2206.06266v1 fatcat:fd3riujgj5aungphrgosyb47qu

6G Wireless Communications Networks: A Comprehensive Survey

Muntadher Alsabah, Marwah Abdulrazzaq Naser, Basheera M. Mahmmod, Sadiq H. Abdulhussain, Mohammad R. Eissa, Ahmed Al-Baidhani, Nor K. Noordin, Sadiq M. Sait, Khaled A. Al-Utaibi, Fazirul Hashim
2021 IEEE Access  
The commercial fifth-generation (5G) wireless communications networks have already been deployed with the aim of providing high data rates.  ...  As such, the data rate that could be supplied by 5G networks will unlikely sustain the enormous ongoing data traffic explosion.  ...  Even an enhanced 95%-likely per-user data rate performance can be achieved by cell-free massive MIMO when the access points and users are equipped with multiple antennas [405] .  ... 
doi:10.1109/access.2021.3124812 fatcat:qomuon5t4remrfoxzjksauto6q

Survey on 6G Frontiers: Trends, Applications, Requirements, Technologies and Future Research

Chamitha de Alwis, Anshuman Kalla, Quoc-Viet Pham, Pardeep Kumar, Kapal Dev, Won-Joo Hwang, Madhusanka Liyanage
2021 IEEE Open Journal of the Communications Society  
., in the order of Kbps) [169] . In another vein, Massive MIMO is one of the substantial candidates that can enhance efficiency of spectrum in multiuser environment [172] .  ...  . ••• Offers to reduce the volume of data generated by massive IoT devices and can help enable other technologies like LIS, MIMO and NOMA.  ... 
doi:10.1109/ojcoms.2021.3071496 fatcat:lpu2cwh6xfebjpbt56svuwxoti

Backscatter Communications: Inception of the Battery-Free Era—A Comprehensive Survey

Mudasar Memon, Navrati Saxena, Abhishek Roy, Dong Shin
2019 Electronics  
The vision of massive IoT, involving billions of smart objects to be connected to the cellular network, needs to address the problem of uninterrupted power consumption while taking advantage of emerging  ...  Moreover, we also describe BackCom communication modes, modulation schemes, and multiple access techniques to accommodate maximum users with high throughput.  ...  Acknowledgments: This research was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (NRF-2016R1D1A1B03935633).  ... 
doi:10.3390/electronics8020129 fatcat:m7vootfm5fh77omdwjcbj5alvq

Massive Wireless Energy Transfer: Enabling Sustainable IoT Towards 6G Era

Onel L. A. Lopez, Hirley Alves, Richard D. Souza, Samuel Montejo-Sanchez, Evelio M. G. Fernandez, Matti Latva-aho
2021 IEEE Internet of Things Journal  
The pros and cons of the state-of-the-art CSI-free WET techniques in ultralow power setups are thoroughly revised, and some possible future enhancements are outlined.  ...  Recent advances on wireless energy transfer (WET) make it a promising solution for powering future Internet-of-Things (IoT) devices enabled by the upcoming sixth-generation (6G) era.  ...  ., TV towers, as discussed in Section I-A, but it is not the focus here.  ... 
doi:10.1109/jiot.2021.3050612 fatcat:atoiacrvanhfjghsib7baxxcey

Massive Wireless Energy Transfer: Enabling Sustainable IoT Towards 6G Era [article]

Onel L. Alcaraz López, Hirley Alves, Richard Demo Souza, Samuel Montejo-Sánchez, Evelio M. García Fernández, Matti Latva-aho
2021 arXiv   pre-print
The pros and cons of the state-of-the-art CSI-free WET techniques in ultra-low power setups are thoroughly revised, and some possible future enhancements are outlined.  ...  Special emphasis is placed on discussing the suitability of channel state information (CSI)-limited/free strategies when powering simultaneously a massive number of devices.  ...  RF energy transmitter may be also ambient RF sources, e.g., TV towers, as discussed in Section I-A, but it is not the focus here.  ... 
arXiv:1912.05322v2 fatcat:vb54qm4ksbcejhfkhzm3sshq5m

Key technologies to accelerate the ICT Green evolution -- An operator's point of view [article]

Azeddine Gati, Fatma Ezzahra Salem, Ana Maria Galindo Serrano, Didier Marquet, Stephane Le Masson, Thomas Rivera, Dinh-Thuy Phan-Huy, Zwi Altman, Jean-Baptiste Landre, Olivier Simon, Esther Le Rouzic, Fabrice Bourgart, Stephane Gosselin, Marc Vautier (+6 others)
2019 arXiv   pre-print
The exponential growth in networks' traffic accompanied by the multiplication of new services like those promised by the 5G led to a huge increase in the infrastructures' energy consumption.  ...  The present paper is a point of view of a European telecom operator regarding green networking.  ...  Instead of spending power to generate an RF wave, the RF tag just backscatters the ambient RF waves generated by TV towers.  ... 
arXiv:1903.09627v1 fatcat:dk5j5eoyazhyxlzajsbbtejhly

Integrated Data and Energy Communication Network: A Comprehensive Survey

Jie Hu, Kun Yang, Guangjun Wen, Lajos Hanzo
2018 IEEE Communications Surveys and Tutorials  
Furthermore, transmitters capable of emitting RF signals have been widely deployed, such as TV towers, cellular base stations and Wi-Fi access points.  ...  Then the inherent relationship between WET and WIT is revealed from an information theoretical perspective, which is followed by the critical appraisal of the hardware enabling techniques extracting energy  ...  The environment is awash with radio-frequency (RF) signals across the entire micro-wave spectrum spanning from 300 MHz to 300 GHz, which are emitted by TV towers, by public radio broadcast stations, by  ... 
doi:10.1109/comst.2018.2860778 fatcat:zum4e6l2tzgivc3nw5dkqatkv4

Acoustic GIS‐based monitoring of Atlantic cod ecosystems in coastal Newfoundland

George A. Rose
2008 Journal of the Acoustical Society of America  
Accumulating evidence of atypical mass strandings of beaked whales coincident with naval sonar exercises suggest that injury or death may result from behavioral responses of some species at lower exposure  ...  For nearly 50 years the subject of aerodynamic sound was dominated by approaches based upon this analogy or variants of it.  ...  The comparison of results allows to draw some connections with the main stage architectural features. 7:00 1pAAb18.  ... 
doi:10.1121/1.2932540 fatcat:v6w3j7upx5duhkunch6oai5jve

Мир глазами молодёжи. Актуальные проблемы страноведения и культуры в современном мире : материалы Респ. студ. науч. конф. по страноведению (Донецк, 12 декабря, 2019 г.)

ГОУ ВПО "ДонАУиГС", Факультет стратегического управления и международного бизнеса, Кафедра иностранных языков
2020 Zenodo  
ACTUAL PROBLEMS OF COUNTRY STUDIES AND CULTURE IN THE MODERN WORLD ОРГАНИЗАЦИОННЫЙ КОМИТЕТ: Дорофиенко Вячеслав Владимирович – председатель организационного комитета, проректор по научной работе ГОУ ВПО  ...  with harmful influence of human activity connected with manufacturing.  ...  The study of a foreign language is connected with the work of the visual, auditory, speech and motor organs.  ... 
doi:10.5281/zenodo.3909350 fatcat:y4jvj4gtove5nmxnpfkkpx66lq

Sketchy traditions : Argentinian sketch comedy from popular theater to television [article]

Tyson Sheldon Echelle
Jill Robbins has encouraged my writing as well 14 ending, a conscious superimposition of a formal pattern on material that may until the very last moment whirl with turbulence" (164).  ...  " laughter so lovingly described by Mikhail Bakhtin.  ...  Why should the only acceptable names be those sanctioned by the ivory tower?  ... 
doi:10.15781/t2bk1748z fatcat:vpp3l2st7zbhzpaql5nmmhay7e

Making WiFi: A Sociological Study of Backyard Technologists in Suburban Australia

Katrina Jungnickel
by connecting together home-made antennas, many ofwhich are located in their own backyards.  ...  My study begins by examining the role and importance of representations established in science and technology studies (STS), particularly in the work of Latour and Woolgar (1979) and Henderson (1999).  ...  For the most, part they reference the suburb in which they are located with the exception of those attached to radio or TV towers.  ... 
doi:10.25602/gold.00028585 fatcat:jrc7kz5u2jcktdlfchkvwiqffy