Mobility

A Context-Aware Approach to Wireless Transmission Adaptation

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Executive Summary

Recent advancements in wireless transmission have enabled networks with a high level of physical layer flexibility. Unfortunately, these new opportunities are not harnessed by modern wireless systems. Due to inefficient resource allocation, systems typically encounter problems such as spectrum scarcity, energy depletion or low quality of service. In this paper, the authors consider the problem of physical layer parameter adaptation in a flexible wireless system. They go beyond the traditional layered paradigm and approach the challenge in a context-aware manner. They observe that for many practical purposes the acceptable quality of communication depends on the interplay among the packet loss ratio, energy savings and spectrum utilization.

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