Browsing by Author "Arvas, Ercüment"
Now showing items 1-15 of 15
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Compensation for the mutual coupling in transmitting antenna arrays
Khan, Sana; Arvas, Ercüment (Institute of Electrical and Electronics Engineers Inc., 2016)A numerical study is presented for the compensation of mutual coupling in antenna arrays. A Matlab code based on method of moments is used to find the compensated far field radiation patterns for non-identical and/or ... -
Impact of mutual coupling on power-domain non-orthogonal multiple access (NOMA)
Thet, Nann Win Moe; Khan, Sana; Arvas, Ercüment; Özdemir, Mehmet Kemal (IEEE-Institute of Electrical and Electronics Engineers Inc, 2020)This paper investigates the impact of mutual coupling (MC) on the achievable sum-rate of power-domain non-orthogonal multiple access (NOMA) system in both uplink (UL) and downlink (DL) transmissions. We assume a single-antenna ... -
Method of moments analysis of electromagnetic transmission through an arbitrarily shaped 3D cavity in a thick conducting plane
Ölcen, Burak; İmeci, Şehabeddin Taha; Gökten, Mesut; Mautz, Joseph; Arvas, Ercüment (Applied Computational Electromagnetics Society, 2015)The method of moments (MOM) with surface equivalence principle is used to numerically solve the problem of electromagnetic scattering from and transmission through an arbitrarily shaped 3D cavity in a thick conducting plane ... -
Microwave heating of heavy oil and bitumen
Arvas, Serhend; Sajjad, Hassan; Altaf, Ahsan; Khan, Sana; Arvas, Ercüment (Institute of Electrical and Electronics Engineers Inc., 2016)A theoretical study is presented for the feasibility of a microwave heating device that will raise the temperature of heavy oil and bitumen reservoir. The device is enclosed in a radome which is surrounded by a perforated ... -
Mutual coupling compensation in receiving antenna arrays
Khan, Sana; Sajjad, Hassan; Özdemir, Mehmet Kemal; Arvas, Ercüment (Institute of Electrical and Electronics Engineers Inc., 2020)Mutual coupling compensation in uniform linear and circular receiving antenna arrays of thin wire dipoles is presented. It was observed that the mutual impedance is independent of the incident angle and depends solely on ... -
Mutual coupling compensation in receiving antenna arrays
Khan, Sana; Sajjad, Hassan; Özdemir, Mehmet Kemal; Arvas, Ercüment (Applied Computational Electromagnetics Society (ACES), 2020)Mutual coupling compensation in uniform linear and circular receiving antenna arrays of thin wire dipoles is presented. It was observed that the mutual impedance is independent of the incident angle and depends solely on ... -
Mutual coupling compensation in receiving arrays and its implementation on software defined radios
Khan, Sana; Sajjad, Hassan; Özdemir, Mehmet Kemal; Arvas, Ercüment (Institute of Electrical and Electronics Engineers Inc., 2020)Mutual coupling is compensated in a four element uniform linear receiving array using software defined radios. Direction of arrival (DoA) is estimated in real-time for the array with spacing d=lambda/4. The decoupling ... -
Mutual coupling compensation in receiving arrays and its implementation on software defined radios
Khan, Sana; Sajjad, Hassan; Özdemir, Mehmet Kemal; Arvas, Ercüment (Applied Computational Electromagnetics Society, 2020)Mutual coupling is compensated in a four element uniform linear receiving array using software defined radios. Direction of arrival (DoA) is estimated in real-time for the array with spacing d=lambda/4. The decoupling ... -
Mutual coupling compensation in transmitting arrays of thin wire antennas
Khan, Sana; Sajjad, Hassan; Özdemir, Mehmet Kemal; Arvas, Ercüment (Applied Computational Electromagnetics Society (ACES), 2018)This paper presents a numerical technique for the compensation of mutual coupling in transmitting arrays of thin wire antennas. The Method of Moments is used to compute the scattering parameters of the array. Using these ... -
Mutual coupling reduction in array elements using EBG structures
Sajjad, Hassan; Khan, Sana; Arvas, Ercüment (Institute of Electrical and Electronics Engineers, 2017)A 2D electromagnetic band gap (EBG) structure is designed on the ground plane of 1×2 rectangular patch antenna array to reduce the mutual coupling between the two elements and enhance the radiation pattern. An isolation ... -
A novel EBG structure to improve isolation in MIMO antenna
Altaf, Ahsan; Alsunaidi, Mohammad; Arvas, Ercüment (Institute of Electrical and Electronics Engineers, 2017)A new, and advanced Electromagnetic Band Gap (EBG) structure is reported to reduce the mutual coupling between two tightly spaced rectangular patch antennas. The EBG structure provides more than 20 dB reduction in mutual ... -
A novel one-base station hybrid positioning method
Takshi, Hengameh; Nemati, Mahyar; Arvas, Ercüment; Baykaş, Tunçer (Institute of Electrical and Electronics Engineers Inc., 2017)In wireless networks, the need for accurate and low complexity localization methods are growing. Although many positioning methods based on signals' time difference of arrival (TDOA) and angle of arrival (AOA) have been ... -
Roger F. Harrington, 1989 IEEE AP-S distinguished achievement awardee
Wilton, Donald R.; Arvas, Ercüment; Butler, Chalmers M.; Mautz, Joseph R. (Institute of Electrical and Electronics Engineers, 2017)Roger F. Harrington is widely recognized as one of the key figures in electromagnetics of the latter half of the twentieth century. He is most well-known for his development of the Method of Moments (MoM) and for his ... -
Scattering by a chiral cylinder of arbitrary cross section above a dielectric half-space
Sajjad, Hassan; Altaf, Ahsan; Özzaim, Cengiz; Arvas, Ercüment (Institute of Electrical and Electronics Engineers Inc., 2021)A simple numerical solution for electromagnetic scattering from a 2-D homogeneous chiral cylinder of arbitrary cross section placed above a dielectric half-space (DHS) is presented. A modified surface equivalence principle ... -
Scattering from chiral cylinders of arbitrary cross-sections above a ground plane
Altaf, Ahsan; Sajjad, Hassan; Özzaim, Cengiz; Arvas, Ercüment (IEEE-Institute of Electrical and Electronics Engineers Inc, 2021)The main purpose of this work is to solve the problem of electromagnetic scattering from a chiral cylinder of arbitrary cross-section above an infinite perfect electric conducting (PEC) plane. Using image theory, this ...
