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dc.contributor.authorSteinmetzer, Daniel
dc.contributor.authorWegemer , Daniel
dc.contributor.authorSchulz, Matthias
dc.contributor.authorWidmer, Joerg 
dc.contributor.authorHollick, Matthias
dc.date.accessioned2021-07-13T09:31:37Z
dc.date.available2021-07-13T09:31:37Z
dc.date.issued2017-12-12
dc.identifier.urihttp://hdl.handle.net/20.500.12761/475
dc.descriptionDOI:10.1145/3143361.3143384
dc.description.abstractAchieving data-rates of multiple Gbps in 60 GHz millimeter-wave (mm-wave) communication systems requires efficient beam-steering algorithms. To find the optimal steering direction on IEEE 802.11ad compatible devices, state-of-the-art approaches sweep through all predefined antenna sectors. Recently, much more efficient alternatives, such as compressive path tracking, have been proposed, which scale well even with arrays with thousands of antenna elements. However, such have not yet been integrated into consumer devices. In this work, we adapt compressive path tracking for sector selection in o_-the-shelf IEEE 802.11ad devices. In contrast to existing solutions, our compressive sector selection tolerates the imperfections of low-cost hardware, tracks beam directions in 3D and does not rely on pseudo-random beams. We implement our protocol on a commodity router, the TP-Link Talon AD7200, by modifying the sector sweep algorithm in the IEEE 802.11ad chip’s firmware. In particular, we modify the firmware to obtain the signal strength of received frames and to select custom sectors. Using this extension, we precisely measure the device’s sector patterns. We then select the best sector based on the measured patterns and sweep only through a subset of probing sectors. Our results demonstrate, that our protocol outperforms the existing sector sweep, increases stability, and speeds up the sector selection by factor 2.3.
dc.language.isoeng
dc.titleCompressive Millimeter-Wave Sector Selection in Off-the-Shelf IEEE 802.11ad Devicesen
dc.typeconference object
dc.conference.date12-15 December 2017
dc.conference.placeSeoul, South Korea
dc.conference.titleThe 13th International Conference on emerging Networking EXperiments and Technologies (ACM CoNEXT 2017)*
dc.event.typeconference
dc.pres.typepaper
dc.type.hasVersionVoR
dc.rights.accessRightsopen access
dc.description.refereedTRUE
dc.description.statuspub
dc.eprint.idhttp://eprints.networks.imdea.org/id/eprint/1704


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