Inventor · disambiguated record
Bjorn Johannisson
Also filed as: JOHANNISSON BJOERN · JOHANNISSON BJOERN GUNNAR · JOHANNISSON BJORN · JOHANNISSON BJORN GUNNAR
32 granted patents·3 pending applications·604 citations·filing 1995–2015
97Inventor score
Files withERICSSON TELEFON AB L M23PETERSSON SVEN2PETERSSON SVEN OSCAR2UNWIRED PLANET LLC2ATHLEY FREDRIK1
Top patents by PatentIndex Score
35 records- 0190US6531984B1Dual-polarized antennaERICSSON TELEFON AB L M·Filed 2000·Granted Mar 11, 2003·69 cites·35 claims
- 0289US6577879B1System and method for simultaneous transmission of signals in multiple beams without feeder cable coherencyERICSSON TELEFON AB L M·Filed 2000·Granted Jun 10, 2003·62 cites·24 claims
- 0385US7069053B2Antenna arrangement and method relating theretoERICSSON TELEFON AB L M·Filed 2002·Granted Jun 27, 2006·30 cites·32 claims
- 0485US6351243B1Sparse array antennaERICSSON TELEFON AB L M·Filed 2000·Granted Feb 26, 2002·46 cites·15 claims
- 0584US6697643B1System and method for implementing a multi-beam antenna without duplex filters within a base stationERICSSON TELEFON AB L M·Filed 2000·Granted Feb 24, 2004·28 cites·16 claims
- 0684US5924020AAntenna assembly and associated method for radio communication deviceERICSSON TELEFON AB L M·Filed 1995·Granted Jul 13, 1999·82 cites·14 claims
- 0781US8994588B2Method of designing weight vectors for a dual beam antenna with orthogonal polarizationsPETERSSON SVEN OSCAR·Filed 2010·Granted Mar 31, 2015·7 cites·11 claims
- 0879US8725204B2Virtual multiple antenna (VMAT)MANHOLM LARS·Filed 2005·Granted May 13, 2014·13 cites·23 claims
- 0978US6791507B2Feed network for simultaneous generation of narrow and wide beams with a rotational-symmetric antennaERICSSON TELEFON AB L M·Filed 2003·Granted Sep 14, 2004·31 cites·45 claims
- 1077US10237792B2Method and device for detecting a number of user terminalsERICSSON TELEFON AB L M·Filed 2014·Granted Mar 19, 2019·3 cites·14 claims
- 1175US6081233AButler beam port combining for hexagonal cell coverageERICSSON TELEFON AB L M·Filed 1998·Granted Jun 27, 2000·41 cites·2 claims
- 1274US8981993B2Beamforming methods and apparatusesPETERSSON SVEN·Filed 2011·Granted Mar 17, 2015·3 cites·22 claims
- 1373US10446925B2Method for beamforming a beam using an active antennaERICSSON TELEFON AB L M·Filed 2014·Granted Oct 15, 2019·3 cites·26 claims
- 1471US6282434B1Uplink and downlink transmission quality improvement by differentiated base station antenna pattern downtiltERICSSON TELEFON AB L M·Filed 1998·Granted Aug 28, 2001·63 cites·40 claims
- 1567US9072019B2Data processing in intra-site handoverUNWIRED PLANET LLC·Filed 2014·Granted Jun 30, 2015·1 cites·18 claims
- 1666US8706121B2Data processing in intra-site handoverUNWIRED PLANET LLC·Filed 2013·Granted Apr 22, 2014·1 cites·18 claims
- 1759US8374607B2Data processing in intra-site handoverERICSSON TELEFON AB L M·Filed 2004·Granted Feb 12, 2013·4 cites·38 claims
- 1858US8934942B2Base station arrangements using a plurality of antenna elements with different polarizationsPETERSSON SVEN·Filed 2009·Granted Jan 13, 2015·1 cites·15 claims
- 1957US6067054AMethod and arrangement relating to antennasERICSSON TELEFON AB L M·Filed 1998·Granted May 23, 2000·25 cites·28 claims
- 2055US6792251B2Arrangement and method for improving multi-carrier power amplifier efficiencyERICSSON TELEFON AB L M·Filed 1999·Granted Sep 14, 2004·16 cites·31 claims
- 2150US9853357B2Beam forming methods and apparatusesERICSSON TELEFON AB L M·Filed 2015·Granted Dec 26, 2017·0 cites·22 claims
- 2249US6225950B1Polarization isolation in antennasERICSSON TELEFON AB L M·Filed 1999·Granted May 1, 2001·21 cites·9 claims
- 2348US8588854B2Adaptive transmission selectionATHLEY FREDRIK·Filed 2008·Granted Nov 19, 2013·0 cites·20 claims
- 2445US8654027B2Antenna arrangementPETERSSON SVEN OSCAR·Filed 2009·Granted Feb 18, 2014·0 cites·10 claims
- 2545US2008218414A1Antenna Beam Shape OptimizationHAGERMAN BO·Filed 2004·Application pending·0 cites
- 2643US6133877AMicrostrip distribution network device for antennasERICSSON TELEFON AB L M·Filed 1998·Granted Oct 17, 2000·14 cites·30 claims
- 2743US6061032ADevice in antenna unitsERICSSON TELEFON AB L M·Filed 1998·Granted May 9, 2000·14 cites·19 claims
- 2839US9374778B2Adaptive filtering architectureNILSSON ANDREAS·Filed 2011·Granted Jun 21, 2016·0 cites·17 claims
- 2939US2013038506A1Planar array antenna with reduced beamwidthERICSSON TELEFON AB L M·Filed 2010·Application pending·0 cites
- 3037US6285322B1Electronics unit for wireless transfer of signalsERICSSON TELEFON AB L M·Filed 1998·Granted Sep 4, 2001·10 cites·11 claims
- 3136US2009156235A1Wireless communications device with improved antenna adaptivityJOHANSSON MARTIN NILS·Filed 2006·Application pending·0 cites
- 3234US6236364B1Method and arrangement for improving null depthsERICSSON TELEFON AB L M·Filed 1999·Granted May 22, 2001·6 cites·6 claims
- 3334US6225947B1Butler beam port combining for hexagonal cell coverageERICSSON TELEFON AB L M·Filed 1999·Granted May 1, 2001·5 cites·15 claims
- 3432US8320357B2Wireless telecommunications system with improved transmission capacityENGSTROEM ANNA BARBRO ULRIKA·Filed 2005·Granted Nov 27, 2012·0 cites·5 claims
- 3526US5959588ADual polarized selective elements for beamwidth controlERICSSON TELEFON AB L M·Filed 1997·Granted Sep 28, 1999·5 cites·8 claims
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