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Making the Most of Wifi: Optimisations for Robust Wireless Live Music Performance
Mon, 01/15/2018 - 14:38 — AdrianFreed
| Title | Making the Most of Wifi: Optimisations for Robust Wireless Live Music Performance |
| Publication Type | Conference Paper |
| Year of Publication | 2014 |
| Authors | Mitchell, Thomas, Madgwick Sebastian, Rankine Simon, Hilton Geoffrey, Freed Adrian, and Andrew Nix |
| Conference Name | New Instruments of Musical Expression |
| Abstract | Wireless technology is growing increasingly prevalent in thedevelopment of new interfaces for live music performance.However, with a number of different wireless technologiesoperating in the 2.4 GHz band, there is a high riskof interference and congestion, which has the potentialto severely disrupt live performances. With its hightransmission power, channel bandwidth and throughput,Wi-Fi (IEEE 802.11) presents an opportunity for highlyrobust wireless communications. This paper presents ourpreliminary work to optimise the components of a Wi-Fisystem for live performance scenarios. We summarise themanufacture and testing of a prototype directional antennathat is designed to maximise sensitivity to a performer’ssignal while suppressing interference from elsewhere. Wealso propose a set of recommended Wi-Fi configurationsto reduce latency and increase throughput. Practicalinvestigations utilising these arrangements demonstratea single x-OSC device achieving a latency of <3 msand a distributed network of 15 devices achieving a netthroughput of ?4800 packets per second (?320 per device);where each packet is a 104-byte OSC message containing |