Pulse or digital communications – Repeaters – Testing
Patent
1995-09-06
1998-09-08
Tse, Young T.
Pulse or digital communications
Repeaters
Testing
375203, 370330, 370335, 370337, 455454, H04B 1713
Patent
active
058056335
ABSTRACT:
A method and apparatus for frequency planning in a multi-system cellular communications network is disclosed in which a plurality of systems operate over a frequency range comprising a plurality of frequency bands. The systems each provide communications services to a plurality of subscribers located within substantially the same geographic region. Each of the systems is assigned one or more of the network frequency bands for use as control channels. The systems then share the unassigned frequency bands to provide communications service. The systems may share the frequency bands without coordination or synchronization or, as an alternative, the sharing may be controlled by a processor.
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Spectrum Sharing Through Dynamic Channel Assignment for Open Access to Personal Communications Services, by Hector Salgado, Marvin Sirbut, and Jon Peha; Jun. 18, 1995; pp. 417-422.
ICC '95 Seattle Communications -Gateway to Globalization, 1995, IEEE International Conference on Communications, vol. 1, 18-22, Jun. 1995, Seattle, WA, US, pp. 417-422, XP 000533021, H. Salgado, et al. "Spectrum Sharing through Dynamic Channel Assignment for Open Access to Personal Communications Services."
Telefonaktiebolaget L M Ericsson
Tse Young T.
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