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Sökning: WFRF:(Liu Hong) > Blekinge Tekniska Högskola

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1.
  • Chen, Hong, et al. (författare)
  • A statistical MAC protocol for heterogeneous-traffic human body communication
  • 2013
  • Konferensbidrag (refereegranskat)abstract
    • In wireless body sensor networks (WBSN) and wireless body area networks (WBAN), sensor nodes have different bandwidth requirements, therefore, heterogeneous traffic is created. In this paper, we propose a statistical medium access control (MAC) protocol with periodic synchronization for use in heterogeneous traffic networks based on human body communication (HBC). The MAC protocol is designated to ensure energy efficiency by means of flexible time slot allocation and a statistical frame. The statistical frame is intended to increase the sleep time and keep low duty cycles in each beacon period. The MAC protocol was fully implemented on our HBC platform. The experimental results proved that the proposed MAC protocol is compact and energy-efficient.
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2.
  • Lu, Wen, et al. (författare)
  • Design concept of a narrow-wideband antenna for spectrum sensing applications
  • 2011
  • Konferensbidrag (refereegranskat)abstract
    • Design concept of a novel combined antenna for cognitive radio applications is proposed and numerically verified. The antenna is composed of a wideband circular monopole and a narrowband dipole. The impedance bandwidth of the wideband monopole antenna is from 4.25-10GHz. The narrowband dipole antenna's central frequency is 5.8GHz. The isolation between the two elements is higher than 50dB, which indicates that the two elements independently co-exist within a small printed circuit board (PCB). The design concept proposed in this paper should be useful to the design and realization of compact, planar antennas and antenna modules having spectrum sensing function.
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  • Resultat 1-2 av 2
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konferensbidrag (2)
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refereegranskat (2)
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Liu, Ran (2)
Wang, Lei (1)
Chen, Hong (1)
Nie, Zedong (1)
Ivanov, Kamen (1)
Lu, Wen (1)
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Zhang, Zhen Yuan (1)
Zhu, Hong Bing (1)
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Blekinge Tekniska Högskola  (2)Ta bort avgränsningen
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Engelska (2)
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