Quasi-elliptic dual-band planar BPF with high-selectivity and high inter-band isolation for 5G communications systems
A novel dual-band planar bandpass filter structure is presented that exhibits the following characteristics: (i) a quasi-elliptic function response with high passband selectivity; (ii) high inter-band isolation; and (iii) a wide out-of-band rejection. The filter is suitable for highly demanding wir...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2019
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| Subjects: | |
| Online Access: | https://repository.londonmet.ac.uk/5350/1/Final-Rana%20Dual%20BPF%20Paper-3%20to%20Wiley%20revised.pdf |
| _version_ | 1804072453879627776 |
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| author | Riaz, Muhammad Virdee, Bal Singh Shukla, Pancham Ouazzane, Karim Onadim, Muhittin Salekzamankhani, Shahram |
| author_facet | Riaz, Muhammad Virdee, Bal Singh Shukla, Pancham Ouazzane, Karim Onadim, Muhittin Salekzamankhani, Shahram |
| author_sort | Riaz, Muhammad |
| collection | LMU |
| description | A novel dual-band planar bandpass filter structure is presented that exhibits the following characteristics: (i) a quasi-elliptic function response with high passband selectivity; (ii) high inter-band isolation; and (iii) a wide out-of-band rejection. The filter is suitable for highly demanding wireless communications systems where the channel capacity is at a premium. The via-free dual-band filter consists of open-loop resonators that are shunt loaded with a half-wavelength open-circuit stub. The resonators are coupled electromagnetically to the stepped impedance resonators, which are inter-digitally coupled to the input/output feed lines. Altering the dimensions of the two stubs allow modification of the resonant mode and transmission zero frequencies. Measured results validate the filter’s performance. The center frequencies of the two passband responses at 4.6 GHz and 5.4 GHz have 3-dB fractional bandwidth of 13.5% and 11.5%, respectively. Insertion-loss at the two passband center frequencies are 1.02 and 0.8 dB, and the return-loss is better than 20 dB. Skirt steepness of the filter is >290 dB/GHz, and isolation between the two closely positioned adjacent bands is better than 35 dB. |
| first_indexed | 2024-07-09T03:59:24Z |
| format | Article |
| id | oai:repository.londonmet.ac.uk:5350 |
| institution | London Metropolitan University |
| language | English |
| last_indexed | 2024-07-09T03:59:24Z |
| publishDate | 2019 |
| publisher | Wiley |
| record_format | eprints |
| spelling | oai:repository.londonmet.ac.uk:53502020-11-24T01:58:08Z http://repository.londonmet.ac.uk/5350/ Quasi-elliptic dual-band planar BPF with high-selectivity and high inter-band isolation for 5G communications systems Riaz, Muhammad Virdee, Bal Singh Shukla, Pancham Ouazzane, Karim Onadim, Muhittin Salekzamankhani, Shahram 000 Computer science, information & general works 620 Engineering & allied operations A novel dual-band planar bandpass filter structure is presented that exhibits the following characteristics: (i) a quasi-elliptic function response with high passband selectivity; (ii) high inter-band isolation; and (iii) a wide out-of-band rejection. The filter is suitable for highly demanding wireless communications systems where the channel capacity is at a premium. The via-free dual-band filter consists of open-loop resonators that are shunt loaded with a half-wavelength open-circuit stub. The resonators are coupled electromagnetically to the stepped impedance resonators, which are inter-digitally coupled to the input/output feed lines. Altering the dimensions of the two stubs allow modification of the resonant mode and transmission zero frequencies. Measured results validate the filter’s performance. The center frequencies of the two passband responses at 4.6 GHz and 5.4 GHz have 3-dB fractional bandwidth of 13.5% and 11.5%, respectively. Insertion-loss at the two passband center frequencies are 1.02 and 0.8 dB, and the return-loss is better than 20 dB. Skirt steepness of the filter is >290 dB/GHz, and isolation between the two closely positioned adjacent bands is better than 35 dB. Wiley 2019-12-10 Article PeerReviewed text en cc_by_nc_nd_4 https://repository.londonmet.ac.uk/5350/1/Final-Rana%20Dual%20BPF%20Paper-3%20to%20Wiley%20revised.pdf Riaz, Muhammad, Virdee, Bal Singh, Shukla, Pancham, Ouazzane, Karim, Onadim, Muhittin and Salekzamankhani, Shahram (2019) Quasi-elliptic dual-band planar BPF with high-selectivity and high inter-band isolation for 5G communications systems. Microwave and Optical Technology Letters. pp. 1-7. ISSN 0895-2477 https://onlinelibrary.wiley.com/doi/abs/10.1002/mop.32197 10.1002/mop.32197 |
| spellingShingle | 000 Computer science, information & general works 620 Engineering & allied operations Riaz, Muhammad Virdee, Bal Singh Shukla, Pancham Ouazzane, Karim Onadim, Muhittin Salekzamankhani, Shahram Quasi-elliptic dual-band planar BPF with high-selectivity and high inter-band isolation for 5G communications systems |
| title | Quasi-elliptic dual-band planar BPF with high-selectivity and high inter-band isolation for 5G communications systems |
| title_full | Quasi-elliptic dual-band planar BPF with high-selectivity and high inter-band isolation for 5G communications systems |
| title_fullStr | Quasi-elliptic dual-band planar BPF with high-selectivity and high inter-band isolation for 5G communications systems |
| title_full_unstemmed | Quasi-elliptic dual-band planar BPF with high-selectivity and high inter-band isolation for 5G communications systems |
| title_short | Quasi-elliptic dual-band planar BPF with high-selectivity and high inter-band isolation for 5G communications systems |
| title_sort | quasi elliptic dual band planar bpf with high selectivity and high inter band isolation for 5g communications systems |
| topic | 000 Computer science, information & general works 620 Engineering & allied operations |
| url | https://repository.londonmet.ac.uk/5350/1/Final-Rana%20Dual%20BPF%20Paper-3%20to%20Wiley%20revised.pdf |
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