Download Broadband Communications via High-Altitude Platforms by David Grace PDF

By David Grace

A special booklet with systematic and thorough assurance of HAP comparable matters, difficulties and ideas. Handbook of Broadband Communications from excessive Altitude Platforms offers an intensive review and cutting-edge of the HAP permitting applied sciences, in addition to describing fresh examine actions with such a lot promising effects. It outlines the roadmap for destiny improvement of HAPs.

  • Focuses on putting HAPs within the standpoint of present and destiny broadband instant verbal exchange platforms, supplying the readers with an outline of the limitations affecting HAP-based broadband communications
  • Provides an intensive review of HAP permitting applied sciences, describes fresh learn actions with such a lot promising effects, and descriptions the roadmap for destiny improvement of HAPs
  • Covers permitting applied sciences and economics of HAP-based verbal exchange process together with matters on the topic of aeronautics, energetics, working eventualities, functions and enterprise modeling
  • Examines the working surroundings, complicated conversation concepts for effective radio hyperlink source administration, and compatible antennas
  • Addresses multiplatform constellations, proposing the a number of HAP constellation making plans process and discussing the networking implications of utilizing a number of HAPs

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Extra resources for Broadband Communications via High-Altitude Platforms

Sample text

The fourth category, the unmanned solar powered airship, still has to be realised. The HAP most suited to the general communications requirements is the unmanned solar powered airship, in view of its on-station lifetime performance and payload capabilities. However, this type of platform is also the most ambitious, as new materials and designs need to be developed and airship handling techniques re-learned. g. the manned and unmanned planes. All of these have more limited capabilities, but can still be used for missions with more limited requirements.

2 GHz. 2 Aeronautical Regulation The original vision for HAPs was that they would be unmanned and capable of fully autonomous control, without a continuous link to Air Traffic Control (ATC). However, this is currently far in advance of current Air Traffic Management (ATM) regulations. They require that one or more pilots are on board an aircraft who must be capable of flying the plane at all times, and while airborne the pilot must have Introduction 17 voice and data communications capability with ATC.

31/28 GHz, given the bands already approved for HAPs by regulators. However, many of the techniques and principles can be applied more widely, even to lower frequency broadband communications (2–5 GHz) as well as HAP delivery of more conventional 3G mobile services. g. limited by the antenna sizes and transmit powers chosen). This is currently greater than most terrestrial WiMAX systems will support on a per sector basis, but the aim here is to be more technology neutral, hence providing a degree of future proofing.

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