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Wireless NoCs Using Directional and Substrate Propagation Antennas
Conference proceeding

Wireless NoCs Using Directional and Substrate Propagation Antennas

Vasil Pano, Yuqiao Yuqiao Liu, Isikcan Yilmaz, Ankit More, Baris Taskin and Kapil Dandekar
2017 IEEE Computer Society Annual Symposium on VLSI (ISVLSI), v 2017-, pp 188-193
Jul 2017
DOI: https://doi.org/10.1109/ISVLSI.2017.41

Abstract

Wireless communication NoC design Wireless propagation Transmitting antennas Bidirectional control NoC interconnect Silicon System-on-chip Substrates On-chip networks
Wireless Network-on-Chip (WNoCs) are introduced to improve the performance for long distance communication within a chip. The on-chip antennas utilized in these WNoCs can be omni-directional or bi-directional, broadcasting to every receiving antenna or directional only in a specific pairing, respectively. There are positives and negatives for both types of antennas, although bi-directional antennas that do not cross paths have the added benefit of decreasing the possibility of interference. This work analyzes the performance of a WNoC with bi-directional antennas that uses an innovative substrate propagation technique recently introduced in literature. Antennas that use substrate propagation are capable of longer distance communication compared to typical on-chip antennas that use surface propagation. It is shown that by using the substrate propagation technique, wireless NoCs with minimal bi-directional antennas can reduce the number of wireless nodes by 66% while achieving similar performance of within ±5% of throughput.

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