Throughput Gain of Random Wireless Networks with Physical-Layer Network Coding |
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| Authors: | Xican Yang Jian Li Changliang Xie Li Li |
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| Institution: | ,Department of Electronic Engineering,Shanghai Jiao Tong University,Shanghai 200240,China;Department of Information,Mechanical and Electronic Engineering,Shanghai Normal University,Shanghai 200235,China |
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| Abstract: | This study analyzes the impact of Physical-layer Network Coding (PNC) on the throughput of a large random wireless network,including one-dimensional and two-dimensional networks.Three different transmission schemes,(1) a traditional flow-based scheme,(2) a network coding scheme,and (3) the PNC scheme are compared to show that the PNC scheme improves wireless network throughput by a constant factor without changing the scaling law compared to the traditional flow-based and network coding schemes.Furthermore,PNC can reduce the effect of interference for the one-dimensional networks,and has a tighter throughput bound for the two-dimensional network. |
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| Keywords: | physical-layer network coding throughput delay |
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