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ZTE Communications ›› 2012, Vol. 10 ›› Issue (4): 23-28.

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Modeling Human Blockers in Millimeter Wave Radio Links

Jonathan S. Lu, Daniel Steinbach, Patrick Cabrol, and Philip Pietraski   

  1. InterDigital Communications, LLC, Melville, NY, 11747, USA
  • 收稿日期:2012-08-14 出版日期:2012-12-25 发布日期:2012-12-25
  • 作者简介:Jonathan S. Lu (Jonathan.Lu@interdigital.com) received his BS and MS degrees in electrical engineering from Polytechnic Institute of New York University. He is currently working toward a PhD degree in electrical engineering at the same university. His research interests are in UHF propagation modeling for urban and rural environments, millimeter wave propagation modeling, and spectrum sensing for cognitive radio.

    Daniel Steinbach (Daniel.Steinbach@interdigital.com) received his BSEE degree from Cornell University in 1988 and his MSEE degree from Syracuse University in 1990. He received an MBA degree from the Zarb School of Business, Hofstra University, in 2006. He worked on sonar and radar applications early in his career and later worked on data communications. He currently works in wireless communications for InterDigital Communications.

    Patrick Cabrol (Patrick.Cabrol@interdigital.com) received his BS degree in electrical engineering from New York Institute of Technology. He is currently working toward his MS degree in electrical engineering at Polytechnic Institute of NYU. Patrick has more than 19 years’experience in RF Design and wireless communications. He works as a senior staff engineer at InterDigital Communications.

    Phil Pietraski (philip.pietraski@interdigital.com) received his BSEET from DeVry University in 1987. He received his BSEE, MSEE, Grad.Cert. in wireless communications, and PhD EE from Polytechnic University, Brooklyn (now NYU-Poly) in 1994, 1995, 1996, and 2000.
    He joined InterDigital Communications in 2001 and is currently a principal engineer leading research activity in wireless communications, most recently in millimeter wave communications and future cellular architectures. He holds more than 50 patents in wireless communications and has authored multiple conference and journal papers. He is vice chair of the MoGig (Mobile Gigabit) working group at IWPC and a trustee for DeVry NJ campuses.
    Prior to his transition to wireless communications in 2000, he was a research engineer at Brookhaven National Laboratory, National Synchrotron Light Source, responsible for beam-line instrumentation and X-ray detector R&D. He has also conducted research at the Polytechnic University for the Office of Naval Research (ONR) in underwater source localization.

Modeling Human Blockers in Millimeter Wave Radio Links

Jonathan S. Lu, Daniel Steinbach, Patrick Cabrol, and Philip Pietraski   

  1. InterDigital Communications, LLC, Melville, NY, 11747, USA
  • Received:2012-08-14 Online:2012-12-25 Published:2012-12-25
  • About author:Jonathan S. Lu (Jonathan.Lu@interdigital.com) received his BS and MS degrees in electrical engineering from Polytechnic Institute of New York University. He is currently working toward a PhD degree in electrical engineering at the same university. His research interests are in UHF propagation modeling for urban and rural environments, millimeter wave propagation modeling, and spectrum sensing for cognitive radio.

    Daniel Steinbach (Daniel.Steinbach@interdigital.com) received his BSEE degree from Cornell University in 1988 and his MSEE degree from Syracuse University in 1990. He received an MBA degree from the Zarb School of Business, Hofstra University, in 2006. He worked on sonar and radar applications early in his career and later worked on data communications. He currently works in wireless communications for InterDigital Communications.

    Patrick Cabrol (Patrick.Cabrol@interdigital.com) received his BS degree in electrical engineering from New York Institute of Technology. He is currently working toward his MS degree in electrical engineering at Polytechnic Institute of NYU. Patrick has more than 19 years’experience in RF Design and wireless communications. He works as a senior staff engineer at InterDigital Communications.

    Phil Pietraski (philip.pietraski@interdigital.com) received his BSEET from DeVry University in 1987. He received his BSEE, MSEE, Grad.Cert. in wireless communications, and PhD EE from Polytechnic University, Brooklyn (now NYU-Poly) in 1994, 1995, 1996, and 2000.
    He joined InterDigital Communications in 2001 and is currently a principal engineer leading research activity in wireless communications, most recently in millimeter wave communications and future cellular architectures. He holds more than 50 patents in wireless communications and has authored multiple conference and journal papers. He is vice chair of the MoGig (Mobile Gigabit) working group at IWPC and a trustee for DeVry NJ campuses.
    Prior to his transition to wireless communications in 2000, he was a research engineer at Brookhaven National Laboratory, National Synchrotron Light Source, responsible for beam-line instrumentation and X-ray detector R&D. He has also conducted research at the Polytechnic University for the Office of Naval Research (ONR) in underwater source localization.

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摘要： The loss from multiple human blockers is empirically and analytically investigated at millimeter wave frequencies. Humans are modeled as absorbing screens of infinite height with two knife-edges, while physical optics is used to compute the contribution from rays diffracting around them. This model is validated with blocking gain measurements of multiple human blocking configurations on an indoor link. The blocking gains predicted from physical optics have good agreement with measurements ranging from -50 dB to 2.7 dB, making the absorbing screen model suitable for real human blockers. Mean and standared deviation of prediction error are approximately -1.2 and 5 dB, respectively.

关键词: 60 GHz, diffraction, human blocking loss, human shadowing, indoor environment, millimeter wave propagation, physical optics

Abstract: The loss from multiple human blockers is empirically and analytically investigated at millimeter wave frequencies. Humans are modeled as absorbing screens of infinite height with two knife-edges, while physical optics is used to compute the contribution from rays diffracting around them. This model is validated with blocking gain measurements of multiple human blocking configurations on an indoor link. The blocking gains predicted from physical optics have good agreement with measurements ranging from -50 dB to 2.7 dB, making the absorbing screen model suitable for real human blockers. Mean and standared deviation of prediction error are approximately -1.2 and 5 dB, respectively.

Key words: 60 GHz, diffraction, human blocking loss, human shadowing, indoor environment, millimeter wave propagation, physical optics