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Arrangement for Frequency Planning in Cellular Systems
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1999 (English)Patent (Other (popular science, discussion, etc.))
Abstract [en]

The invention relates to an arrangement for frequency planning in cellular systems using a mix of wide and narrow antenna beams. The arrangement employs a dual frequency reuse for the respective wide and narrow antenna beams. According to the invention, a first frequency group is allocated to a cluster with a reuse distance sufficient for narrow beam channels and a second frequency group is allocated to a larger cluster with a reuse distance sufficent for wide beam channels. The second frequency group is a subdivision of and contained in the first frequency group. The second frequency group is the only frequency group available for wide beam channels, while all the frequencies of the two groups are available for the narrow beams channels. Generally, the wide beams are used for control channels and the narrow beams are used for traffic channels. A frequency planning in accordance with the invention makes it possible to use narrow beam traffic channels more efficiently compared to known state of the art methods which results in improved trunking efficiency.

Place, publisher, year, edition, pages
1999.
National Category
Communication Systems Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-72620OAI: oai:DiVA.org:kth-72620DiVA: diva2:487816
Patent
WO 2000047010A1
Note

QS 2015

Available from: 2012-01-31 Created: 2012-01-31 Last updated: 2015-01-16Bibliographically approved

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