White Papers

Is Random Network Coding Helpful in WiMAX?

Tags: 4g, wireless networks, network, data

Overview The IEEE 802.16 standard, or WiMAX, has emerged to facilitate high-bandwidth wireless access in realworld metropolitan areas, commonly referred to as 4G. In WiMAX, Hybrid Automatic Repeat reQuest (HARQ) is adopted to transmit data packets reliably. However, it sacrifices resilience in time varying channels, and it may under-utilize the wireless medium in the cases of multi-path and multi-hop transmissions. On the other hand, random network coding has been shown to be effective towards improving throughput in multi-hop wireless networks, when deployed above the physical and MAC layers. It would be encouraging to observe that network coding is also helpful at the MAC layer in practice, especially within the emerging WiMAX standard.

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Publisher: University of Toronto
File Format: PDF
Date Published: Apr 22, 2009
Format: White Papers
Topics: WiMAX (802.16), Mobile - Wireless Communications

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