Evidence map›Paper›PMID 33499265›Full record

ReviewPolymers2021

Bending Analysis of Polymer-Based Flexible Antennas for Wearable, General IoT Applications: A Review.

Muhammad Usman Ali Khan, Raad Raad, Faisel Tubbal, Panagiotis Ioannis Theoharis, Sining Liu, Javad Foroughi

Abstract readReview
In one paragraph

Review in Polymers, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

29 citing papers in PubMed.

  1. Article
  2. Review
  3. Article
  4. Article
  5. Review
  6. Review
  7. Review
  8. Article
  9. Review
  10. Article
  11. Review
  12. Article
  13. Article
  14. Review
  15. Article
  16. Article
  17. Review
  18. Article
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Muhammad Usman Ali KhanSchool of Electrical Computer and Telecommunication Engineering, University of Wollongong, Wollongong, NSW 2522, Australia.ORCID 0000-0003-3258-8403
Raad RaadSchool of Electrical Computer and Telecommunication Engineering, University of Wollongong, Wollongong, NSW 2522, Australia.ORCID 0000-0002-2347-4837
Faisel TubbalSchool of Electrical Computer and Telecommunication Engineering, University of Wollongong, Wollongong, NSW 2522, Australia.ORCID 0000-0002-7561-9903
Panagiotis Ioannis TheoharisSchool of Electrical Computer and Telecommunication Engineering, University of Wollongong, Wollongong, NSW 2522, Australia.ORCID 0000-0002-8428-3313
Sining LiuSchool of Electrical Computer and Telecommunication Engineering, University of Wollongong, Wollongong, NSW 2522, Australia.ORCID 0000-0001-7383-2033
Javad ForoughiSchool of Electrical Computer and Telecommunication Engineering, University of Wollongong, Wollongong, NSW 2522, Australia.ORCID 0000-0003-1979-5213

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Flexible substrates have become essential in order to provide increased flexibility in wearable sensors, including polymers, plastic, paper, textiles and fabrics. This study is to comprehensively summarize the bending capabilities of flexible polymer substrate for general Internet of Things (IoTs) applications. The basic premise is to investigate the flexibility and bending ability of polymer materials as well as their tendency to withstand deformation. We start by providing a chronological order of flexible materials which have been used during the last few decades. In the future, the IoT is expected to support a diverse set of technologies to enable new applications through wireless connectivity. For wearable IoTs, flexibility and bending capabilities of materials are required. This paper provides an overview of some abundantly used polymer substrates and compares their physical, electrical and mechanical properties. It also studies the bending effects on the radiation performance of antenna designs that use polymer substrates. Moreover, we explore a selection of flexible materials for flexible antennas in IoT applications, namely Polyimides (PI), Polyethylene Terephthalate (PET), Polydimethylsiloxane (PDMS), Polytetrafluoroethylene (PTFE), Rogers RT/Duroid and Liquid Crystal Polymer (LCP). The study includes a complete analysis of bending and folding effects on the radiation characteristics such as S-parameters, resonant frequency deviation and the impedance mismatch with feedline of the flexible polymer substrate microstrip antennas. These flexible polymer substrates are useful for future wearable devices and general IoT applications.

Indexed as

flexible antennasflexible electronicsinternet of things (IoTs)polymers substrateswearable applications

Identifiers

PMID33499265
PMCPMC7865813

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.