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Wireless communications system with detection of foreign radiation sources
Ericsson Research, Isafjordsgatan 14E, 164 93 Kista, Sweden.ORCID iD: 0000-0002-6026-322X
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2001 (English)Patent (Other (popular science, discussion, etc.))
Abstract [en]

NOVELTY - Involves enabling one node in the system to function as a central node which can make measurements on a frequency in a frequency band used by the system. The measurements detect if a frequency is being used by a transmitter foreign to the system. USE - For use in a wireless communications system with several broadcasting nodes e.g. Wireless Local Area Network (WLAN). ADVANTAGE - Enables WLAN to detect if e.g. nearby radar system transmitter is using same frequency and to take necessary steps if so. DETAILED DESCRIPTION - The measurement is enabled by the central node transmitting a message to other nodes in the system. The message is predefined within the system as a message prohibiting all nodes from transmitting during a certain interval. DESCRIPTION OF DRAWING(S) - The drawing shows the signaling used when making measurements according to the method.

Place, publisher, year, edition, pages
2001.
National Category
Communication Systems Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-74224ISI: 2003290413OAI: oai:DiVA.org:kth-74224DiVA: diva2:489352
Patent
US 7024188-B2 (2006-04-04)
Note

EP 1433288-B1 (2008-04-23); CN 100527689-C (2009-08-12)

Available from: 2012-02-02 Created: 2012-02-02 Last updated: 2013-08-07Bibliographically approved

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