Patents
[1] J. Huscke, R. Keller, J. Thielecke, R. Tönjes, U. Wachsmann, W. Stahl: “Cellular Radio Networks Reusing Frequencies”, Patent WO0237881 (A1), EP1204283 (A1), US2007042778 (A1), US2004092256 (A1) , filed by Ericsson Telefon AB, Mai. 2002. (Patent database [insert link: v3.espacenet.com/publicationDetails/biblio] )
[2] R. Tönjes, T. Lohmar, R. Keller, F. Hundscheidt: “ Group hopping and channel zapping during transmission of multicast applications”, Patent US2006268873 (A1), WO2004051926 (A1), EP1566013 (A1), AU2002352185 (A1), filed by Telefonaktiebolaget L M Ericsson, Nov. 2006, (Patent database [insert link: v3.espacenet.com/publicationDetails/biblio] )
[3] R. Tönjes, G. Fodor: “Method and Apparatus for Broadcasting Push-to-Talk Group Sessions”, Patent US2009252084 (A1), WO2007011271 (A1), JP2009502092 (T), EP1922888 (A1), filed by Ericsson Telefon AB, Oct. 2009. (Patent database [insert link: v3.espacenet.com/publicationDetails/biblio] )
[4] J. Huschke, R. Tönjes, U. Horn: “Transmission of Composite Digital Broadcast Information”, Patent WO2006066607 (A1), EP1836785 (A1), JP2008524943 (T), filed by Ericsson Telefon AB, June 2006. (Patent database [insert link: v3.espacenet.com/publicationDetails/biblio)
[5] J. Huscke, R. Keller, J. Thielecke, R. Tönjes, U. Wachsmann, W. Stahl: “Cellular Radio Networks Reusing Frequencies”, Patent EP1827040 (A1), filed by Ericsson Telefon AB, Aug. 2007. (Patent database [insert link: v3.espacenet.com/publicationDetails/biblio