Title page for ETD etd-06212001-154325

Type of Document Master's Thesis
Author Kukshya, Vikas
Author's Email Address vkukshya@vt.edu
URN etd-06212001-154325
Title Wideband Terrestrial Path Loss Measurement Results For Characterization of Pico-cell Radio Links at 38 GHz and 60 GHz Bands of Frequencies
Degree Master of Science
Department Electrical and Computer Engineering
Advisory Committee
Advisor Name Title
Rappaport, Theodore S. Committee Chair
Pratt, Timothy J. Committee Member
Woerner, Brain D. Committee Member
  • horizontal polarization
  • millimeter wave
  • pico-cell radio links
  • vertical polarization
  • frequency diversity
  • FSO
  • LMDS
  • 60GHz
  • 38GHz
  • rain attenuation
  • radiowave propagation
  • wireless communications
Date of Defense 2001-06-21
Availability unrestricted
The advent of Internet based digital services, and bandwidth-intensive business and personal applications has necessitated deployment of broadband network access technologies. Research analysts project that the U.S. market for broadband wireless networking will grow to nearly $2 billion by 2004 and Local Multipoint Distribution Services (LMDS) have enormous potential to emerge as the most reliable and cost-effective solution. However, in order to design and deploy LMDS systems, it is vital for system designers to be able to predict the behavior of mm-waves (28, 38 and 60GHz) during different weather conditions, especially rain. This research attempts to characterize the performance of pico-cell scenario broadband wireless channels by measuring path loss statistics during different weather conditions.

Hardware and software components of a wideband direct-sequence spread spectrum (DSS) channel sounding system, used extensively throughout measurement campaigns, are discussed in detail in this dissertation. The measurement plan comprehensively describes the methodology, logistics, equipment setup, and calibration procedures for propagation measurement campaigns.

Power Delay Profile (PDP) snapshots recorded during measurement campaigns are thoroughly analyzed using the 'Channel Imaging Analysis Suite' and Path Loss as well as Rain Attenuation statistics, calculated from recorded PDP data files, are classified and tabulated on the basis of measurement locations, propagation frequencies and antenna polarizations. Path Loss Exponent values are also calculated and Rain Attenuation statistics are compared with popular rain models. Results from Frequency Diversity measurement campaigns are also presented.

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  00_Thesis_Front.pdf 107.48 Kb 00:00:29 00:00:15 00:00:13 00:00:06 < 00:00:01
  01_Chapter_1.pdf 1.47 Mb 00:06:48 00:03:30 00:03:03 00:01:31 00:00:07
  02_Chapter_2.pdf 715.55 Kb 00:03:18 00:01:42 00:01:29 00:00:44 00:00:03
  03_Chapter_3.pdf 3.15 Mb 00:14:34 00:07:29 00:06:33 00:03:16 00:00:16
  04_Chapter_4.pdf 20.18 Mb 01:33:24 00:48:02 00:42:01 00:21:00 00:01:47
  05_Chapter_5.pdf 652.08 Kb 00:03:01 00:01:33 00:01:21 00:00:40 00:00:03
  06_Appendix.pdf 937.04 Kb 00:04:20 00:02:13 00:01:57 00:00:58 00:00:04
  07_Bibliography.pdf 59.39 Kb 00:00:16 00:00:08 00:00:07 00:00:03 < 00:00:01
  08_Vitae.pdf 7.92 Kb 00:00:02 00:00:01 < 00:00:01 < 00:00:01 < 00:00:01

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