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Träfflista för sökning "WFRF:(Han Hangcheng) "

Search: WFRF:(Han Hangcheng)

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1.
  • An, Sining, 1991, et al. (author)
  • A Synchronous Baseband Receiver for High-Data-Rate Millimeter-Wave Communication Systems
  • 2019
  • In: IEEE Microwave and Wireless Components Letters. - 1558-1764 .- 1531-1309. ; 29:6, s. 412-414
  • Journal article (peer-reviewed)abstract
    • A novel synchronous baseband receiver is presented in this letter. With a pilot tone insertion at the transmitter, the proposed baseband receiver can perform carrier recovery (CR) regardless of modulation scheme and/or baud rate. The synchronous baseband receiver has an analog-digital hybrid structure, where a low-cost digital signal processor controls an analog local oscillator (LO) in frequency and phase to achieve CR. This structure requires only one low-cost analog-to-digital converter (ADC) with a sampling rate of 100 MS/s. A proof-of-concept demonstration at E-band achieves 9-Gb/s 64-quadratic-amplitude modulation (QAM) and 16-Gb/s QPSK transmissions.
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2.
  • Ding, Xuhui, et al. (author)
  • A 16 × 16-Element Slot Array Fed by Double-Layered Gap Waveguide Distribution Network at 160 GHz
  • 2020
  • In: IEEE Access. - 2169-3536 .- 2169-3536. ; 8, s. 55372-55382
  • Journal article (peer-reviewed)abstract
    • In this article, a slot array with double-layered full-corporate-fed distribution network by ridge gap waveguide (RGW) in the G-band is presented. The array antenna proposed in this article contains $16\times 16$ -element radiation slots fed by air-filled ridge gap waveguide distribution network that achieves high-efficiency. Gap waveguide technology avoids the demand for perfect electrical contact in millimeter waves, therefore the expensive diffusion bonding and the laser welding processes are not demanded. Moreover, the high-accurate Computerized Numerical Control (CNC) machining is applied for the fabrication. Due to the limited layout space for the distribution network, two types of universal stepped cavity power dividers are presented in this article. The proposed array antenna is fed by a standard WR-5 waveguide at the bottom. Furthermore, the tested outcomes show that the proposed $16\times 16$ -element array has a gain larger than 30 dBi with over 50% antenna efficiency in the frequency range of 155–171 GHz.
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