ITTC Project

Development Multilink PPP Technologies from Iridium

Project Award Date: 08-28-2003


We have a requirement for communications to polar regions as part of our Polar Radar for Ice Sheet Measurements (PRISM) project. Communication coverage in Greenland and Antarctica must be truly mobile, and its implementation requires relatively inexpensive equipment. To support these requirements, we have selected to use Multilink point-to-point protocol (MLPPP) over the Iridium satellite system. This method involves splitting data (IF) packets into smaller fragments, transmitting each fragment over different links and recombining them at the receiving end. Thus, we obtain an effective bandwidth, which is approximately the sum of the bandwidths of a1l links. We have implemented MLPPP on Linux and have recently conducted field experiments in Greenland to measure the reliability, throughput, and general performance of this system. While the detailed performance data are still being analyzed, it was clear that the system met our expectations for performance. This system has the potential to support the requirements for remote communications for a defense contractor.


Faculty Investigator(s): Victor Frost (PI)

Student Investigator(s): Abdul Jabbar Mohammad

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ITTC assistance includes initial free consulting (normally one to five hours). If additional support is needed, ITTC will offer one of the following approaches: 

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