CQIC: Revisiting Cross-Layer Congestion Control for Cellular Networks

Provided by: Association for Computing Machinery
Topic: Networking
Format: PDF
With the advent of high-speed cellular access and the overwhelming popularity of Smartphone's, a large percent of today's Internet content is being delivered via cellular links. Due to the nature of long-range wireless signal propagation, the capacity of the last hop cellular link can vary by orders of magnitude within a short period of time (e.g., a few seconds). Unfortunately, TCP does not perform well in such fast-changing environments, potentially leading to poor spectrum utilization and high end-to-end packet delay.

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