Congestion Control for Infrastructure-Based CRNs: A Multiple Model Predictive Control Approach
2016Vol. 59, pp. 1–6
Citations Over TimeTop 13% of 2016 papers
Abstract
In this paper, we investigate the problem of robust congestion control in infrastructure-based cognitive radio networks (CRN). We develop an active queue management (AQM) algorithm, termed MAQ, based on multiple model predictive control (MMPC). The goal is to stabilize the TCP queue at the base station (BS) under disturbances from the varying service capacity for secondary users (SU). The proposed MAQ scheme is validated with extensive simulation studies under various types of background traffic and system/network parameters. It outperforms two benchmark schemes with considerable gains in all the scenarios considered.
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