Search results for "Zigbee"

showing 3 items of 13 documents

BusyBee: Low Rate WiFi-ZigBee Communications without Gateways

2014

Nowadays, the overcrowding of ISM bands is becoming an evident limitation for the performance and widespread us- age of 802.11 and 802.15.4 technologies. In this demo, we prove that it is possible to opportunistically exploit the inter- technology interference between 802.11 and 802.15.4 to build an unconventional low-rate communication channel and sig- nalling protocol, devised to improve the performance of each contending technology. Differently from previous solutions, inter-technology communications do not require the deploy- ment of a gateway with two network interfaces, but can be activated (when needed) directly between two heterogeneous nodes, e.g. a WiFi node and a ZigBee node. Thi…

noisebusywmpcommunicationSettore ING-INF/03 - Telecomunicazioniwifizigbee
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The FP7 BeyWatch European scientific project: general features and design criteria of the Combined Photovoltaic Solar (CPS) system within the BEYWATC…

2011

This paper includes the general features and design criteria of a combined photovoltaic solar system (CPS) and its allocation within the entire architecture of the BeyWatch system. The CPS main functionalities and characteristics, the description of the CPS main components and the CPS electronic control and monitoring subsystem, together with the description of the Firmware design and communication protocols are here reported. The Combined Photovoltaic and Solar system (CPS) is a Renewable Energy system that produces thermal and electrical energy and the design has been based on a modular approach.

Settore ING-INF/03 - TelecomunicazioniBEYWATCH (Building EnergY WATCHer) CPS (Combined Photovoltaic Solar) System grid hot water electrical energy ZigBEE Wireless Sensor Networks.Settore ING-IND/32 - Convertitori Macchine E Azionamenti ElettriciSettore ING-INF/01 - Elettronica
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Demo abstract: Cross-technology TDMA synchronization using energy pattern beacons

2017

When different technologies use the same frequency bands in close proximity, the resulting interference typically results in performance degradation. Coexistence methods exist, but these are often technology specific and require technology specific interference detection methods. To remove the root cause of the performance degradation, devices should be able to negotiate medium access even when using different technologies. To this end, an architecture that allows cross-technology medium access by means of a Time Division Multiple Access (TDMA) scheme was devised. In order to achieve cross-technology synchronization, which is required for the TDMA solution, an energy pattern beacon is trans…

IoTbusiness.industryComputer scienceWiFiComputerSystemsOrganization_COMPUTER-COMMUNICATIONNETWORKSTestbedReal-time computingTime division multiple access020206 networking & telecommunicationsThroughput02 engineering and technologyInterference (wave propagation)01 natural sciencesBeacon010309 opticsZigBee0103 physical sciencesSynchronization (computer science)0202 electrical engineering electronic engineering information engineeringWirelessIntertecnology interferenceIBCNbusinessWireless sensor network2017 IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS)
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