Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Sangeetha Velan"'
Autor:
Thennarasi Govindan, Sandeep Kumar Palaniswamy, Malathi Kanagasabai, Thipparaju Rama Rao, M. Gulam Nabi Alsath, Sachin Kumar, Sangeetha Velan, Mohamed Marey, Apeksha Aggarwal
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-14 (2021)
Abstract The design of a silicone rubber-based wristband wearable antenna exploiting pattern diversity is presented in this paper. The wristband diversity antenna consists of four identical antenna elements with an inter-element spacing of 0.68λ 0,
Externí odkaz:
https://doaj.org/article/4ea0d2045f354fd5aa4bf5bbdc28a705
Autor:
Thennarasi Govindan, Sandeep Kumar Palaniswamy, Malathi Kanagasabai, Sangeetha Velan, Sachin Kumar, Thipparaju Rama Rao
Publikováno v:
Flexible and Printed Electronics. 7:035020
This paper presents the design of a quad-port orthogonal ultra-wideband (UWB) monopole antenna backed with an electromagnetic band gap (EBG) structure. The EBG structure provides band stop/band reject characteristics in the entire UWB range. The over
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0efdc0523f49b4e6da553fb142e2e7e5
https://doi.org/10.1088/2058-8585/ac8e7c
https://doi.org/10.1088/2058-8585/ac8e7c
Autor:
Mohamed Marey, Apeksha Aggarwal, Sachin Kumar, Malathi Kanagasabai, M. Gulam Nabi Alsath, Sangeetha Velan, Sandeep Kumar Palaniswamy, Thipparaju Rama Rao, Thennarasi Govindan
Publikováno v:
Scientific Reports
Scientific Reports, Vol 11, Iss 1, Pp 1-14 (2021)
Scientific Reports, Vol 11, Iss 1, Pp 1-14 (2021)
The design of a silicone rubber-based wristband wearable antenna exploiting pattern diversity is presented in this paper. The wristband diversity antenna consists of four identical antenna elements with an inter-element spacing of 0.68λ0, where λ0
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd99ebe08cd9b8b4680c7de1e6a8d335
https://pubmed.ncbi.nlm.nih.gov/34754006
https://pubmed.ncbi.nlm.nih.gov/34754006
Autor:
Rama Rao Tippuraj, Jayaram Kizhekke Pakkathillam, Malathi Kanagasabai, Sangeetha Velan, Sandeep Kumar Palaniswamy
Publikováno v:
Wireless Personal Communications. 109:2733-2740
This manuscript presents the design of a size reduced microstrip rat-race (RR) coupler with improved spurious passband suppression performance. The coupler operates at 0.95 GHz, corresponding to 5G applications (sub-1 GHz 5G applications). The combin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1231b7d3a28736a710ba6096ce66e3dd
https://doi.org/10.1007/s11277-019-06706-2
https://doi.org/10.1007/s11277-019-06706-2
Autor:
Sangeetha Velan, Yogeshwari Panneer Selvam, Malathi Kanagasabai, Sangeetha Subbaraj, Saffrine Kingsly, Bhuvaneswari Balasubramaniyan
Publikováno v:
International Journal of Electronics. 106:620-633
In this paper, a compact, single-section, Ultra-wideband (UWB) coupled-line coupler designed using concentric loop in the signal plane and defect in the ground plane is presented. Bandwidth...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c150f111769de59217e2c078174bfd39
https://doi.org/10.1080/00207217.2018.1545262
https://doi.org/10.1080/00207217.2018.1545262
Autor:
Malathi Kanagasabai, Sangeetha Subbaraj, Saffrine Kingsly, Yogeshwari Panneer Selvam, M. Gulam Nabi Alsath, Meenakshisundaram Karuppiah, Y. V. Ramana Rao, Abhai Kumar Varadhan, Raju Srinivasan, Sangeetha Velan
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 16:3047-3050
This letter presents the design of a novel frequency- and pattern-reconfigurable antenna. The antenna consists of a simple rectangular patch with two longitudinal slits. The slits are connected to the patch through a pair of p-i-n diodes to enable fr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2113420a03edf5b5601c6efef39d15ab
https://doi.org/10.1109/lawp.2017.2759960
https://doi.org/10.1109/lawp.2017.2759960
Autor:
Sangeetha Velan, Sandeep Kumar Palaniswamy, Jayaram Kizhekke Pakkathillam, Malathi Kanagasabai
Publikováno v:
IET Microwaves, Antennas & Propagation. 10:1667-1672
This study presents the design of a flexible compact rat-race coupler operating at 0.72 GHz on a 1 mm thick paper substrate. The ultra-wide stop-band effect caused due to the combination of the modified stepped impedance stub and the interdigitated r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c63c8989f342d335d8d80bbfc8be281d
https://doi.org/10.1049/iet-map.2016.0057
https://doi.org/10.1049/iet-map.2016.0057
Autor:
Sangeetha Velan, Malathi Kanagasabai
Publikováno v:
International Journal of Microwave and Wireless Technologies. 9:505-508
This paper presents the design of a compact, planar, single layer, tri-section ultra-wideband (UWB) branch-line (BL) coupler. The prototype offers 10 dB return loss characteristics from 3.1 to 13.7 GHz. Over a major portion of the band, phase imbalan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a0b4991894370da1354b405e751399e
https://doi.org/10.1017/s1759078716000416
https://doi.org/10.1017/s1759078716000416
Autor:
Sangeetha Velan, Malathi Kanagasabai
Publikováno v:
Microwave and Optical Technology Letters. 58:1369-1374
This letter presents planar microstrip branch-line (BL) couplers with improved phase and amplitude stability bandwidth along with significant size reduction. The prototypes are designed to operate at 433 MHz frequency band suitable for ISM 433 MHz ap
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::274b1d3bb46f9a0406add3e350225c81
https://doi.org/10.1002/mop.29798
https://doi.org/10.1002/mop.29798
Autor:
Henridass Arun, M. Gulam Nabi Alsath, Aswathy K. Sarma, Chinnambeti Raviteja, Sangeetha Velan, Malathi Kanagasabai
Publikováno v:
IET Microwaves, Antennas & Propagation. 9:1267-1273
In this article, two-element monopole multiple input–multiple output (MIMO) antenna with polarisation diversity for 4G and other applications has been presented. The designed antenna covers 16% (1701–2001 MHz) of bandwidth around the design frequ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa14f5dc8465bb4dea44a3513eaefc5d
https://doi.org/10.1049/iet-map.2015.0040
https://doi.org/10.1049/iet-map.2015.0040