2019
[1]
L. Li, G. Oikonomou, M. Beach, R. Nejabati, D. Simeonidou, "An SDN Agent-enabled Rate Adaptation Framework for WLAN", in Proc. IEEE ICC, 2019
@inproceedings{Li-2019-ICC, title = {An SDN Agent-enabled Rate Adaptation Framework for WLAN}, keywords = "Rate/Link adaptation, Software-Defined Networking (SDN), SDN agent, IEEE 802.11, Software-Defined Radio, Communications Systems and Networks Group", author = {Li Li and George Oikonomou and Mark Beach and Reza Nejabati and Dimitra Simeonidou}, booktitle = {Proc. IEEE ICC}, publisher = {IEEE}, year = {2019}, month = may, doi ={10.1109/ICC.2019.8761424}, gsid = {7175808884894693046}, oa-url = {https://research-information.bristol.ac.uk/en/publications/an-sdn-agentenabled-rate-adaptation-framework-for-wlan(8744fc84-b6b4-4a72-b968-9ac13c267217).html}, abstract = {Rate or link adaptation is the determination of the optimal modulation and coding scheme (MCS) that will maximize the performance under the current wireless channel conditions. A Software-Defined Networking (SDN) agent is a software element bridging an SDN controller and any legacy wireless network elements by providing the abstraction of these elements. In this paper, we present the work of an SDN approach for designing and implementing a Rate/Link Adaptation (RA) framework for wireless local area networks (WLAN). The framework provides support for real-time RA applications and flexibility to satisfy various degrees of Quality of Service (QoS) or Quality of Experience (QoE) requirements. We implement the proposed framework as an extension to the Wireless Open-Access Research Platform (WARP), an FPGA based Software-Defined Radio (SDR) platform, with evaluation results indicating the feasibility of using SDN-RA under the stringent time constraints posed by the WLAN. To demonstrate the effectiveness of decoupling rate decision functions from the underlying wireless interface card and to highlight its applicability for a diverse set of scenarios, we present a use case deployed over the framework focusing on rate adaptation for individual traffic, and display optimization in different aspects, such as the reduction transmission errors.}, }
Rate or link adaptation is the determination of the optimal modulation and coding scheme (MCS) that will maximize the performance under the current wireless channel conditions. A Software-Defined Networking (SDN) agent is a software element bridging an SDN controller and any legacy wireless network elements by providing the abstraction of these elements. In this paper, we present the work of an SDN approach for designing and implementing a Rate/Link Adaptation (RA) framework for wireless local area networks (WLAN). The framework provides support for real-time RA applications and flexibility to satisfy various degrees of Quality of Service (QoS) or Quality of Experience (QoE) requirements. We implement the proposed framework as an extension to the Wireless Open-Access Research Platform (WARP), an FPGA based Software-Defined Radio (SDR) platform, with evaluation results indicating the feasibility of using SDN-RA under the stringent time constraints posed by the WLAN. To demonstrate the effectiveness of decoupling rate decision functions from the underlying wireless interface card and to highlight its applicability for a diverse set of scenarios, we present a use case deployed over the framework focusing on rate adaptation for individual traffic, and display optimization in different aspects, such as the reduction transmission errors.
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