• Title, Summary, Keyword: USB dongle

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Novel Shorted Meander-Line USB Dongle Antenna with a Compact Ground Plane

  • Jeong, Seong-Jae;Hwang, Keum-Cheol
    • ETRI Journal
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    • v.32 no.4
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    • pp.610-613
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    • 2010
  • This letter presents the design of a novel multiband USB dongle antenna with a compact ground plane. The radiating patch is composed of a modified meander-line monopole and a shorted loop to generate a dual-broadband resonance. The proposed antenna supports WiBro, Bluetooth, WLAN, WiMAX, and S-DMB services. The total dimensions of the fabricated antenna are 10 mm ${\times}$ 45 mm ${\times}$ 1 mm, the most compact size among multiband USB dongle antennas reported to date. The measured 10 dB reflection loss bandwidths are 20.8% (2.24 GHz to 2.76 GHz) and 20.2% (4.86 GHz to 5.95 GHz). The measured peak gain is 2.97 dBi, and efficiency is higher than 58%. In addition, the radiation pattern approximates an omnidirectional pattern.

Printed Meander-Monopole Antenna for Multiband Wireless USB Dongle Applications (무선 USB 동글 장치를 위한 프린트형 미앤더 모노폴 안테나)

  • Jeong, Seong-Jae;Hwang, Keum-Cheol;Shin, Jae-Ho
    • The Journal of Korean Institute of Electromagnetic Engineering and Science
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    • v.21 no.10
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    • pp.1154-1160
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    • 2010
  • In this paper, a novel printed meander monopole antenna is proposed for wireless USB dongle applications. Dual-wideband resonance is obtained by utilizing a printed meander monopole radiator. The proposed antenna was fabricated on a thin FR-4 substrate with a thickness of 1 mm and a dielectric constant of 4.6. The antenna is fed by a $50{\Omega}$ coaxial cable. This novel USB dongle antenna measures only $10{\times}50mm^2$. The measured results demonstrates that the antenna supports WiBro, Bluetooth/ISM, WLAN, S-DMB, and WiMAX service bands.

Vibrotactile Glove Mouse (진동촉각 글러브 마우스)

  • Park, Jun-Hyung;Jeong, Ju-Seok;Jang, Tae-Jeong
    • 한국HCI학회:학술대회논문집
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    • pp.741-744
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    • 2009
  • In this paper, We introduce the glove mouse using a Gyroscope, acceleration sensor, Pin-type Viboratctile Display Device and USB HID. The device recognize a user's wrist by Gyroscope and acceleration sensor in the glove and transmit the data to USB dongle which is recognized the manufactured mouse by Blutooth. Also, using a special application, We transmit the tactile information to user through the Pin-type Vibrotactile Display. We implement wearable system in the glove except USB device. If user want to use general spatial mouse, we recognize mouse USB dongle only without another application. If user want to feel the tactile sensationn, we can use by connecting PC serial communication port to USB dongle.

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Internal Hook-shaped Patch Antenna for Multiband Wireless USB Dongle Applications (다중대역 무선 USB 동글용 내장 Hook형 안테나)

  • Jeong, Seong-Jae;Hwang, Keum-Cheol;Shin, Jae-Ho
    • Journal of the Institute of Electronics Engineers of Korea TC
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    • v.47 no.11
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    • pp.91-96
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    • 2010
  • In this paper, an internal USB dongle antenna with a circular hook-shaped patch is proposed. The proposed antenna comprises of a circular hook-shaped patch and a monopole stub. The proposed antenna with the dimension of $10mm{\times}50mm{\times}0.8mm$ was fabricated on commercial FR-4 substrate with a dielectric constant of 4.6 and tangent loss of 0.025. The designed antenna exhibits three different resonant bandwidths, 2.4 GHz-2.5 GHz, 3.4 GHz-3.6 GHz, and 5.15 GHz-5.825 GHz. The measured radiation patterns are omni-directional at measured frequencies. Therefore, the proposed antenna is suitable for wireless USB dongle antenna that can support multiband wireless services such as WLAN, WiMAX and Bluetooth.

Dual-Band MIMO Antenna Using a Band Stop Matching Circuit for USB Dongle Applications (대역 저지 특성을 갖는 정합 회로를 이용한 USB Dongle용 이중 대역 MIMO 안테나)

  • Han, Min-Seok;Choi, Jae-Hoon
    • The Journal of Korean Institute of Electromagnetic Engineering and Science
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    • v.20 no.9
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    • pp.924-929
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    • 2009
  • In this paper, a dual-band MIMO antenna with a band stop matching circuit for next generation USB dongle application is proposed. The proposed multiband MIMO antenna consists of two dual-band PIFAs which provide wideband characteristics. In order to improve the isolation characteristic at the LTE(Long Term Evolution) band, a band stop matching circuit was inserted at the corner of each antenna element. The inserted band stop matching circuit is to suppress the surface current at the specific frequency band and to generate two additional resonances around 770 MHz for LTE band and near 830 MHz for digital communications network(DCN) service. The proposed MIMO antenna can cover LTE and DCN services, simultaneously.

Design of a Multiband MIMO Antenna for USB Dongle Application (USB Dongle에 적용을 위한 다중 대역 MIMO 안테나 설계)

  • Lee, Young-Ki;Choi, Jea-Hoon
    • The Journal of Korean Institute of Electromagnetic Engineering and Science
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    • v.23 no.4
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    • pp.441-448
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    • 2012
  • This paper proposes a multiband Multi-Input Multi-output(MIMO) antenna for universal serial bus(USB) dongle application. The proposed MIMO antenna consists of a modified meander strip line and inverted L stub. The two radiating elements of the MIMO antenna are symmetrically placed with respect to the center of the ground plane. The fabricated antenna satisfied a VSWR below 3 and an efficiency over 35 % in the LTE band 13, 17(704 MHz-787 MHz), DCS/PCS/WCDMA band(1.71 GHz-2.17 GHz), and LTE band 7(2.5 GHz-2.7 GHz). The envelope correlation coefficient(ECC) has below 0.45 in the LTE band 13, 17 and 0.1 in the DCS/PCS/WCDMA band and LTE band 7, respectively.

A Compact Triple Band Antenna for a Wireless USB Dongle

  • Lee, Seung-Hyun;Sung, Young-Je
    • Journal of electromagnetic engineering and science
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    • v.12 no.2
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    • pp.185-188
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    • 2012
  • A compact monopole antenna possessing triple resonance ($f_1$, $f_2$, $f_3$) characteristics for (USB) dongle applications is presented. The resonance characteristic $f_1$ is determined by the overall length of the antenna. The monopole antenna acts as the main radiator for $f_3$ as well as the coupling feeding structure for the parasitic resonators in $f_1$, $f_2$. The resonance characteristic $f_2$ is achieved by a combination of the capacitance formed by the coupling between the top and bottom parasitic substrate resonators and the inductance generated by a via bridging the two parasitic resonators.

Compact Triple-Band Monopole Antenna for WLAN/WiMAX-Band USB Dongle Applications

  • Shi, Ya Wei;Xiong, Ling;Chen, Meng Gang
    • ETRI Journal
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    • v.37 no.1
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    • pp.21-25
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    • 2015
  • A miniaturized triple-band antenna suitable for wireless USB dongle applications is proposed and investigated in this paper. The presented antenna, simply consisting of a circular-arc-shaped stub, an L-shaped stub, a microstrip feed line, and a rectangular ground plane has a compact size of $16mm{\times}38.5mm$ and is capable of generating three separate resonant modes with very good impedance matching. The measurement results show that the antenna has several impedance bandwidths for S11 ${\leq}$ -10 dB of 260 MHz (2.24 GHz to 2.5 GHz), 320 MHz (3.4 GHz to 3.72 GHz), and 990 MHz (5.1 GHz to 6.09 GHz), which can be applied to both 2.4/5.2/5.8 GHz WLAN bands and 3.5/5.5 GHz WiMAX bands. Moreover, nearly-omni-directional radiation patterns and stable gain across the operating bands can be obtained.

Design and Fabrication of Modified Monopole Antenna for Wireless USB Dongle with WLAN system Applications (WLAN 시스템 적용 가능한 무선 USB 동글용 변형된 모노폴 안테나의 설계 및 제작)

  • Lee, Yeong-Seong;Mun, Seung-Min;Kim, Gi-Rae;Yoon, Joong-Han
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.19 no.10
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    • pp.2223-2231
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    • 2015
  • In this paper, we propose a built-in antenna for wireless USB dongle which has a modified structure from the existing planar monopole antenna. The proposed antenna implemented a dual-band characteristic by inserting Strip1, Strip2, Strip3 into the monopole structure combined with 'n' shape and feeded 50-Ω using coaxial cable. The antenna is designed on an FR-4 substrate of which the dielectric constant is 4.6, and its overall size is 10 mm × 50 mm × 1mm. Based on the measurement results of the return loss, it was confirmed to satisfy the dual band resonance characteristics of 740 MHz (2.3 ~ 2.7 GHz) and 1,200 MHz (5.15 ~ 5.825 GHz) by -10 dB. In addition, we obtain the omni-directional radiation pattern measurements in the operating frequency bands, and the maximum gain of the proposed antenna has 2.26~3.81 dBi in the 2.4 GHz band and 2.21~5.79 dBi. in the 5.5 GHz band, respectively.

Compact Folded Monopole Antenna Excited by a Conductor-Backed Coplanar Waveguide with Vias

  • Kim, Jin Hyuk;Hwang, Keum Cheol
    • ETRI Journal
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    • v.35 no.3
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    • pp.534-537
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    • 2013
  • A compact monopole antenna excited by a conductor-backed coplanar waveguide (CBCPW) is developed for wireless USB dongle applications. The proposed antenna has a compact dimension of $14mm{\times}47.4mm{\times}3.5mm$, which is suitable for a USB dongle housing. A slotted elliptical patch and a CBCPW with vertical vias are employed to achieve a further size reduction and an improved impedance bandwidth. The measurement result demonstrates that the fabricated antenna resonates from 2.25 GHz to 10.9 GHz, which covers all of the important wireless communication bands, including WiBro (2.3 GHz to 2.4 GHz), Bluetooth (2.4 GHz to 2.484 GHz), WiMAX (2.5 GHz to 2.7 GHz and 3.4 GHz to 3.6 GHz), satellite DMB (2.605 GHz to 2.655 GHz), 802.11b/g/a WLAN (2.4 GHz to 2.485 GHz and 5.15 GHz to 5.825 GHz), and ultra-wideband (3.1 GHz to 10.6 GHz) services. The radiation characteristics of the proposed antenna when attached to a laptop are tested to investigate the influence of the keypad and the LCD panel of the laptop.