Design of High Isolation Circular Shape Patch Element Multi-band Phased Array Antenna for Millimeter Wave 5G Mobile Handsets

Autor: Baye Zenebe Chekole, Mulugeta Atlabachew Abegaz

Publikováno v: 2022 International Conference on Information and Communication Technology for Development for Africa (ICT4DA).

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f922d2a96bd785626f03d76bf6c353e2
https://doi.org/10.1109/ict4da56482.2022.9971446

Design and performance analysis of enhanced directional MAC protocols for cognitive radio wireless mesh networks

Autor: Mulugeta Atlabachew, Jordi Casademont, Yalemzewd Negash

Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering ISBN: 9783030937089

This paper presents the design and analysis of directional random access MAC protocols for cognitive radio wireless mesh network (CRWMN). We have proposed three directional random access MAC protocols for CRWMNs using three different access mechanism

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::55013cb6d221cdb3d453bb3f18feca61
http://hdl.handle.net/2117/366795

Multiple antenna (MA) for cognitive radio based wireless mesh networks (CRWMNs): Spectrum Sensing (SS)

Autor: Jordi Casademont, Mulugeta Atlabachew, Yalemzewd Negash

Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering ISBN: 9783319951522
ICT4DA

The concept of cognitive radio (CR) rings a big paradigm shift to the wireless communication domain. Extending this concept in to wireless mesh networks (WMN) results a CRWMN which alleviates the pragmatic spectrum congestion in the ISM bands. The as

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb19f10e43bcd779a272075adc3647c9
https://hdl.handle.net/2117/363832