Adaptive GNSS Receiver Design for Highly Dynamic Multipath Environments

UNIVERSITY OF CALGARY Improving High Sensitivity GNSS Receiver Performance in Multipath Environments for Vehicular Applications by

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Adaptive Path Planner for Highly Dynamic Environments

This paper describes adaptive path planning, a novel approach to path planning for car-like mobile robots. Instead of creating a new plan from scratch, whenever changes in the environment invalidate the current plan, the adaptive path planner attempts to adapt the old plan to the new situation. The paper proposes an efficient representation for path that is easily amendable to adaptation. Assoc...

GNSS Multipath Error Reduction in Harsh Environments

The performance of code delay and carrier phase estimation of a GNSS signal propagated in an urban or indoor environment is highly degraded by multipath when the conventional multipath mitigation techniques such as narrow correlator and double delta correlator are applied. These conventional techniques rely on the value of the delay corresponding to the peak of the autocorrelation function. In ...

Adaptive Dynamic Data Placement Algorithm for Hadoop in Heterogeneous Environments

Hadoop MapReduce framework is an important distributed processing model for large-scale data intensive applications. The current Hadoop and the existing Hadoop distributed file system’s rack-aware data placement strategy in MapReduce in the homogeneous Hadoop cluster assume that each node in a cluster has the same computing capacity and a same workload is assigned to each node. Default Hadoop d...

Spaceborne Receiver Design for Scatterometric GNSS Reflectometry