Abstract
Software defined radios (SDRs) are a promising technology to enable dynamic channel access and sharing. Multiple Input Multiple Output (MIMO) is another radio technology breakthrough for increasing wireless throughput. To obtain the full benefits brought by SDR and MIMO technologies in wireless mesh networks (WMNs), the higher layer mechanisms should exploit their capabilities in a systematic way. In this paper, we propose a Stream Controlled Multiple Access (SCMA) scheme for multi-hop multi-channel WMNs, which is responsible for scheduling links and assigning channels for data transmission and controlling MIMO operation mode in a cross-layer approach. It enables efficient spectrum access and sharing in temporal, frequency, and spatial dimensions, and adapts to varying network conditions. The evaluation results show that the proposed SCMA scheme greatly improve the network performance compared to the traditional schemes.
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Luo, L., Wu, D., Liu, H. (2014). MIMO-Aware Spectrum Access and Scheduling in Multi-hop Multi-channel Wireless Networks. In: Cai, Z., Wang, C., Cheng, S., Wang, H., Gao, H. (eds) Wireless Algorithms, Systems, and Applications. WASA 2014. Lecture Notes in Computer Science, vol 8491. Springer, Cham. https://doi.org/10.1007/978-3-319-07782-6_15
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DOI: https://doi.org/10.1007/978-3-319-07782-6_15
Publisher Name: Springer, Cham
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Online ISBN: 978-3-319-07782-6
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