Listar Artículos de revista ISC - ISC aldizkari artikuluak por autor "Altaf, Ahsan"
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A frequency reconfigurable compact planar inverted-F antenna for portable devices
Ghaffar, Adnan; Altaf, Ahsan; Aneja, Aayush; Li, Xue Jun; Khan, Salahuddin; Alibakhshikenari, Mohammad; Falcone Lanas, Francisco Javier ; Limiti, Ernesto (Hindawi, 2022) Artículo / ArtikuluaIn this paper, a low-profile, compact size, inexpensive, and easily integrable frequency reconfigurable antenna system is proposed. The proposed antenna consists of an inverted-F shape antenna, capacitors, and switching ... -
Future smartphone: MIMO antenna system for 5G mobile terminals
Mujeeb, Abdullah; Altaf, Ahsan; Anjum, Muhammad Rizwan; Arain, Zulfiqar Ali; Jamali, Abdul Aleem; Alibakhshikenari, Mohammad; Falcone Lanas, Francisco Javier ; Limiti, Ernesto (IEEE, 2021) Artículo / ArtikuluaIn this article, an inverted L-shaped monopole eight elements Multiple Input Multiple Output (MIMO) antenna system is presented. The multi-antenna system is designed on a low cost 0.8 mm thick FR4 substrate having dimensions ... -
Isolation improvement in UWB-MIMO antenna system using slotted stub
Altaf, Ahsan; Iqbal, Amjad; Smida, Amor; Smida, Jamel; Falcone Lanas, Francisco Javier (MDPI, 2020) Artículo / ArtikuluaMultiple-input multiple-output (MIMO) scheme refers to the technology where more than one antenna is used for transmitting and receiving the information packets. It enhances the channel capacity without more power. The ...