All Outputs (49)

Design of a Wide-Band Microstrip Filtering Antenna with Modified Shaped Slots and SIR Structure (2020)
Journal Article
Al-Yasir, Y. I. A., A. Alhamadani, H., Kadhim, A. S., Ojaroudi Parchin, N., Saleh, A. L., Elfergani, I. T. E., …Abd-Alhameed, R. A. (2020). Design of a Wide-Band Microstrip Filtering Antenna with Modified Shaped Slots and SIR Structure. Inventions, 5(1)

This paper presents a new compact microstrip filtering antenna with modified shaped slots to improve the impedance bandwidth. The proposed microstrip filtering antenna consists of three parts: the monopole radiating patch antenna; the Stepped Impedan... Read More about Design of a Wide-Band Microstrip Filtering Antenna with Modified Shaped Slots and SIR Structure.

Reconfigurable Antennas: Switching Techniques—A Survey (2020)
Journal Article
Ojaroudi Parchin, N., Jahanbakhsh Basherlou, H., Al-Yasir, Y. I. A., M. Abdulkhaleq, A., & A. Abd-Alhameed, R. (2020). Reconfigurable Antennas: Switching Techniques—A Survey. Electronics, 9(2), Article 336. https://doi.org/10.3390/electronics9020336

Due to the fast development of wireless communication technology, reconfigurable antennas with multimode and cognitive radio operation in modern wireless applications with a high-data rate have drawn very close attention from researchers. Reconfigura... Read More about Reconfigurable Antennas: Switching Techniques—A Survey.

A New CPW-Fed Diversity Antenna for MIMO 5G Smartphones (2020)
Journal Article
Ojaroudi Parchin, N., Jahanbakhsh Basherlou, H., Al-Yasir, Y. I. A., M. Abdulkhaleq, A., Patwary, M., & A. Abd-Alhameed, R. (2020). A New CPW-Fed Diversity Antenna for MIMO 5G Smartphones. Electronics, 9(2), Article 261. https://doi.org/10.3390/electronic

In this study, a new coplanar waveguide (CPW)-fed diversity antenna design is introduced for multiple-input–multiple-output (MIMO) smartphone applications. The diversity antenna is composed of a double-fed CPW-fed antenna with a pair of modified T-ri... Read More about A New CPW-Fed Diversity Antenna for MIMO 5G Smartphones.

Orthogonally dual‐polarised MIMO antenna array with pattern diversity for use in 5G smartphones (2020)
Journal Article
Ojaroudi Parchin, N., Al‐Yasir, Y. I., Jahanbakhsh Basherlou, H., Abd‐Alhameed, R. A., & Noras, J. M. (2020). Orthogonally dual‐polarised MIMO antenna array with pattern diversity for use in 5G smartphones. IET microwaves, antennas & propagation, 14

A new multiple-input/multiple-output (MIMO) antenna design is introduced for future smartphones. The proposed design contains four pairs of double-fed circular-ring resonators located at different edges of the smartphone printed circuit board (PCB) w... Read More about Orthogonally dual‐polarised MIMO antenna array with pattern diversity for use in 5G smartphones.

Noise Cancellation for HIPERLAN/2 with Open Loop Transmit Diversity Technique (2019)
Journal Article
Yahya, M. A., Alsaif, O. I., Saleh, I. A., Abdulkhaleq, A. M., Ojaroudi Parchin, N., Al-Yasir, Y. I. A., & Abd-Alhameed, R. A. (2019). Noise Cancellation for HIPERLAN/2 with Open Loop Transmit Diversity Technique. Inventions, 4(3), Article 46. https://doi

A new proposed method is presented, where multiple antennas have been applied into HIPERLAN/2 system in addition to employing space-time diversity technique, especially the Alamouti technique. The suggested approach is used to cancel or reduce the ef... Read More about Noise Cancellation for HIPERLAN/2 with Open Loop Transmit Diversity Technique.

Recent Developments of Dual-Band Doherty Power Amplifiers for Upcoming Mobile Communications Systems (2019)
Journal Article
Abdulkhaleq, A. M., Yahya, M. A., McEwan, N., Rayit, A., Abd-Alhameed, R. A., Ojaroudi Parchin, N., …Noras, J. (2019). Recent Developments of Dual-Band Doherty Power Amplifiers for Upcoming Mobile Communications Systems. Electronics, 8(6), Article 638.

Power amplifiers in modern and future communications should be able to handle different modulation standards at different frequency bands, and in addition, to be compatible with the previous generations. This paper reviews the recent design technique... Read More about Recent Developments of Dual-Band Doherty Power Amplifiers for Upcoming Mobile Communications Systems.

Design of multi‐standard single/tri/quint‐wideband asymmetric stepped‐impedance resonator filters with adjustable TZs (2019)
Journal Article
Al‐Yasir, Y. I., Tu, Y., Bakr, M. S., Parchin, N. O., Asharaa, A. S., Mshwat, W. A., …Noras, J. M. (2019). Design of multi‐standard single/tri/quint‐wideband asymmetric stepped‐impedance resonator filters with adjustable TZs. IET microwaves, ant

This study presents an original asymmetric stepped-impedance resonator filter combined with meander coupled-line structures and enabling the realisation of finite transmission zeros (TZs) and the implementation of multi-band bandpass filters. The mea... Read More about Design of multi‐standard single/tri/quint‐wideband asymmetric stepped‐impedance resonator filters with adjustable TZs.

Mobile-Phone Antenna Array with Diamond-Ring Slot Elements for 5G Massive MIMO Systems (2019)
Journal Article
Ojaroudi Parchin, N., Jahanbakhsh Basherlou, H., Alibakhshikenari, M., Ojaroudi Parchin, Y., Al-Yasir, Y. I. A., Abd-Alhameed, R. A., & Limiti, E. (2019). Mobile-Phone Antenna Array with Diamond-Ring Slot Elements for 5G Massive MIMO Systems. Electronics,

A design of mobile-phone antenna array with diamond-ring slot elements is proposed for fifth generation (5G) massive multiple-input/multiple-output (MIMO) systems. The configuration of the design consists of four double-fed diamond-ring slot antenna... Read More about Mobile-Phone Antenna Array with Diamond-Ring Slot Elements for 5G Massive MIMO Systems.

Eight-Element Dual-Polarized MIMO Slot Antenna System for 5G Smartphone Applications (2019)
Journal Article
Parchin, N. O., Al-Yasir, Y. I. A., Ali, A. H., Elfergani, I., Noras, J. M., Rodriguez, J., & Abd-Alhameed, R. A. (2019). Eight-Element Dual-Polarized MIMO Slot Antenna System for 5G Smartphone Applications. IEEE Access, 7, 15612-15622. https://doi.org/10

In this paper, we propose an eight-port/four-resonator slot antenna array with a dual-polarized function for multiple-input-multiple-output (MIMO) 5G mobile terminals. The design is composed of four dual-polarized square-ring slot radiators fed by pa... Read More about Eight-Element Dual-Polarized MIMO Slot Antenna System for 5G Smartphone Applications.