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Sensors 2017, 17(11), 2609; https://doi.org/10.3390/s17112609

Highly Efficient Multi Channel Packet Forwarding with Round Robin Intermittent Periodic Transmit for Multihop Wireless Backhaul Networks

1
Graduate School of Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
2
Graduate School of Information Science and Electrical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
*
Author to whom correspondence should be addressed.
Received: 13 September 2017 / Revised: 9 November 2017 / Accepted: 10 November 2017 / Published: 13 November 2017
(This article belongs to the Section Sensor Networks)
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Abstract

Round Robin based Intermittent Periodic Transmit (RR-IPT) has been proposed which achieves highly efficient multi-hop relays in multi-hop wireless backhaul networks (MWBN) where relay nodes are 2-dimensionally deployed. This paper newly investigates multi-channel packet scheduling and forwarding scheme for RR-IPT. Downlink traffic is forwarded by RR-IPT via one of the channels, while uplink traffic and part of downlink are accommodated in the other channel. By comparing IPT and carrier sense multiple access with collision avoidance (CSMA/CA) for uplink/downlink packet forwarding channel, IPT is more effective in reducing packet loss rate whereas CSMA/CA is better in terms of system throughput and packet delay improvement. View Full-Text
Keywords: wireless backhaul; multi-hop; intermittent periodic transmit; round robin; multi-channel; CSMA/CA wireless backhaul; multi-hop; intermittent periodic transmit; round robin; multi-channel; CSMA/CA
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Maruta, K.; Furukawa, H. Highly Efficient Multi Channel Packet Forwarding with Round Robin Intermittent Periodic Transmit for Multihop Wireless Backhaul Networks. Sensors 2017, 17, 2609.

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