Manchester Metropolitan University's Research Repository

    Adaptive Bitrate Video Transmission Over Cognitive Radio Networks Using Cross Layer Routing Approach

    Ali, Amjad, Tariq, Sikandar, Iqbal, Muddesar, Feng, Li, Raza, Imran, Siddiqi, Muhammad Hameed and Bashir, Ali Kashif ORCID logoORCID: https://orcid.org/0000-0001-7595-2522 (2020) Adaptive Bitrate Video Transmission Over Cognitive Radio Networks Using Cross Layer Routing Approach. IEEE Transactions on Cognitive Communications and Networking, 6 (3). pp. 935-945.

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    Due to the recent developments in the wireless mesh and ad-hoc networks, multi-hop cognitive radio networks (MCRNs) have attained the significant attention towards providing the reliable multimedia communications. However, in reliable multimedia communications each multimedia application observed a very stringent quality-of-service (QoS) requirements. Moreover, in MCRNs, channel allocated to the multimedia secondary users (MSUs) can be re-occupied by the primary users (PUs) at any time which causes the end-to-end-path discontinuity that severely affect the performance of the MCRNs. Therefore, under the dynamic channel availability, selecting an end-to-end path that is not only stable but also fulfills the QoS requirements of the real time and multimedia (RM) applications is a challenging task and still an open research problem. Hence, in this paper, we propose a cross-layer routing scheme that supports adaptive bit-rate multimedia (ABM) transmissions over MCRNs. Moreover, our path selection is based on the QoSaware end-to-end path delay, and PU-activity aware endto-end path stability metrices. Furthermore, to avoid the PU interference, continuity in transmission, efficient channel utilization, and supporting error resilience over time varying wireless channels our selected end-to-end path is periodically updated. Simulation study shows that the proposed scheme is more robust and suitable for supporting ABM over MCRNs.

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