Low‐cost, low‐profile and miniaturized single‐plane antenna design for an Internet of Thing device applications operating in 5G, 4G, V2X, DSRC, WiFi 6 band, WLAN, and WiMAX communication systems

Chung, Ming‐An; Chang, Wen Hsin

doi:10.1002/mop.32229

Cited by 30 publications

(19 citation statements)

References 35 publications

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“…Figure 7a shows that when antenna 1 is at the head position, the working bandwidth is shortened due to the influence of the human body, and the reflection coefficient of antenna 2 is not significantly different between the head and the free space. Wireless products on the market can be accepted if the reflection coefficient is lower than −6 dB [24][25][26], and when the proposed antenna worn on the head that the S-parameter is lower than −6 dB. Therefore, it matches the CTIA specification standard.…”

Section: Sar Simulation and Analysismentioning

confidence: 91%

4 × 4 MIMO Antenna System for Smart Eyewear in Wi-Fi 5G and Wi-Fi 6e Wireless Communication Applications

et al. 2021

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This paper proposes a small-slot antenna system (50 mm × 9 mm × 2.7 mm) for 4 × 4 multiple-input multiple-output (MIMO) on smart glasses devices. The antenna is set on the plastic temple, and the inverted F antenna radiates through the slot in the ground plane of the sputtered copper layer outside the temple. Two symmetrical antennas and slots on the same temple and series capacitive elements enhance the isolation between the two antenna ports. When both temples are equipped with the proposed antennas, 4 × 4 MIMO transmission can be achieved. The antenna substrate is made of polycarbonate (PC), and its thickness is 2.7 mm εr=2.85, tanδ=0.0092. According to the actual measurement results, this antenna has two working frequency bands when the reflection coefficient is lower than −10dB, its working frequency bandwidth at 4.58–5.72 GHz and 6.38–7.0 GHz. The proposed antenna has a peak gain of 4.3 dBi and antenna efficiency of 85.69% at 5.14 GHz. In addition, it also can obtain a peak gain of 3.3 dBi and antenna efficiency of 82.78% at 6.8 GHz. The measurement results show that this antenna has good performance, allowing future smart eyewear devices to be applied to Wi-Fi 5G (5.18–5.85 GHz) and Wi-Fi 6e (5.925–7.125 GHz).

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Section: Sar Simulation and Analysismentioning

confidence: 91%

4 × 4 MIMO Antenna System for Smart Eyewear in Wi-Fi 5G and Wi-Fi 6e Wireless Communication Applications

et al. 2021

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“…FLASH is one step in keeping up with the rapid advances in network hardware, most notably the rapid deployment of 5G and ultra-high-bandwidth wireless networks such as Wi-Fi 6 [38]. There are many more challenges that warrant further investigations.…”

Section: Summary and Future Workmentioning

confidence: 99%

TCP-FLASH - A Fast Reacting TCP for Modern Networks

Guo

Lee

2021

IEEE Access

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The Transmission Control Protocol (TCP) plays a critical role in the Internet as it is the protocol used for data transport by most Internet services and applications. With rapid advances in broadband Internet and mobile/wireless networks, current TCPs are increasingly becoming the bottleneck. This work tackles this challenge by developing a novel TCP design called Fast Launch with Agile congeStion Handling (FLASH) that not only achieves improved performance for long TCP flows but also significantly raises the performance of short to medium TCP flows that are far more common in the Internet. We evaluated its longterm and short-term performance over a wide range of network environments, using two emulation platforms (Pantheon and DummyNet) as well as Internet experiments. Compared to two of the leading TCP designs deployed in the Internet, i.e., Cubic and BBR, FLASH consistently achieved higher long-term and short-term bandwidth efficiency. For example, in trace-driven emulated experiments using Poisson traffic with a mean flow size of 1 MB operating at medium link utilization of 27%, FLASH can reduce the flow completion time (FCT) by 36% (vs. Cubic) and 26% (vs. BBR), with mean packet queueing delay of 11.7 ms compared to 3.4 ms (Cubic) and 8.8 ms (BBR). It also maintained good fairness with itself and is competitive against Cubic and BBR sharing the same bottleneck. In addition, FLASH has been tested in two real-world Internet environments. In the cloud-to-cloud experiment, it reduced FCT by 52.9% (vs. Cubic) and 46.6% (vs. BBR), while in the cloud-to-client experiment, it reduced FCT by 31.3% (vs. Cubic) and 12.7% (vs. BBR). FLASH is entirely sender-based and is compatible with current TCP receivers, thereby readily deployable in current Internet servers.

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“…With the rise of 5th generation mobile networks [8] and WIFI6 [9], the real-time transmission of data in telemedicine is accelerated, especially in areas with inconvenient transportation. Telemedicine can not only solve the medical inconvenience of people in space, but also shorten the time for people to seek medical treatment.…”

Section: Telemedicine Communication Technologymentioning

confidence: 99%

Telemedicine System Based on Medical Consultation Assistance Integration

Lin¹,

Siao²,

Chang³

et al. 2021

JSEA

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With the aging of the global population, how to provide effective telemedicine for the aging population has become a very important issue, especially for the elderly with limited mobility. If there is a complete telemedicine system, it will not only greatly improve medical efficiency. It can reduce the chance of contact between people and avoid the medical risks caused by severe special infectious pneumonia. This paper focuses on the development of a highefficiency telemedicine system platform that conforms to international standard data exchange formats. This system platform can not only solve the problem of shortage of medical staff but also allow patients to be free from medical outpatient time constraints. Achieve the effect of telemedicine at any time, and digitize the medical process rules to establish a complete online telemedicine system platform.

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Low‐cost, low‐profile and miniaturized single‐plane antenna design for an Internet of Thing device applications operating in 5G, 4G, V2X, DSRC, WiFi 6 band, WLAN, and WiMAX communication systems

Cited by 30 publications

References 35 publications

4 × 4 MIMO Antenna System for Smart Eyewear in Wi-Fi 5G and Wi-Fi 6e Wireless Communication Applications

4 × 4 MIMO Antenna System for Smart Eyewear in Wi-Fi 5G and Wi-Fi 6e Wireless Communication Applications

TCP-FLASH - A Fast Reacting TCP for Modern Networks

Telemedicine System Based on Medical Consultation Assistance Integration

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