SINR-based scheduling in multi-path multi-hop multi-radio multi-channel mmWave WPANs

SINR-based scheduling in multi-path multi-hop multi-radio multi-channel mmWave WPANs

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Abstract Millimeter wave (mmWave) communications is a prospective candidate technology for multi-gigabit rates multimedia applications.To combat the severe propagation attenuation of mmWave, the high gain directional antenna is commonly employed at the nodes.Moreover, exploiting multiple radios over multiple channels is also a promising technology to improve the throughput and delay houston astros sunglasses performance of mmWave communications.In this paper, considering the signal to interference plus noise ratio (SINR) constraint, we develop a multi-path multi-hop multi-radio multi-channel (MPMH-MRMC) concurrent transmission scheduling algorithm to fully bullfrog plush exploit spatial reuse in mmWave wireless personal area networks (WPANs).

The problem of MPMH-MRMC scheduling is formulated as a mixed-integer linear programming (MILP) to clear all the flows within a minimum number of time slots, which is generally NP-hard.We further propose a heuristic MPMH-MRMC scheme with low computational complexity to solve the problem.Finally, through extensive simulations, we demonstrate that MPMH-MRMC can significantly improve the network performance in terms of network throughput and transmission delay under various traffic patterns.