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Publications by Claes Beckman

Peer reviewed

Articles

[1]
P. Ramachandran, Z. Milosavljevic and C. Beckman, "Adaptive penta-band handset antenna with hand effect compensation," IET Microwaves, Antennas & Propagation, vol. 6, no. 1, pp. 79-86, 2012.
[2]
P. Händel, S. Prasad and C. Beckman, "Maximum likelihood estimation of reverberation chamber direct-to-scattered ratio," Electronics Letters, vol. 45, no. 25, pp. 1285-U24, 2009.
[3]
C. Beckman and G. Smith, "Shared Networks : Making Wireless Communications Affordable," IEEE wireless communications, vol. 12, no. 2, pp. 78-85, 2005.
[4]
C. Beckman, "Dual polarised multibeam antenna," Electronics Letters, vol. 35, no. 25, pp. 2158-2160, 1999.
[5]
C. Braun, G. Engblom and C. Beckman, "Evaluation of antenna diversity performance for mobile handsets using 3-D measurement data," IEEE Transactions on Antennas and Propagation, vol. 47, no. 11, pp. 1736-1738, 1999.
[6]
B. Lindmark et al., "Dual-polarized array for signal-processing applications in wireless communications," IEEE Transactions on Antennas and Propagation, vol. 46, no. 6, pp. 758-763, 1998.
[7]
C. Beckman, "Antenna systems for polarization diversity," Microwave Journal, 1997.
[8]
C. Beckman and J. Sjöstrand, "Confocal fundus imaging with a scanning laser ophthalmoscope in eyes with cataract.," British Journal of Ophthalmology, vol. 79, no. 10, pp. 900-4, 1995.
[9]
C. Beckman, "The 'light scattering factor'. Importance of stimulus geometry, contrast definition, and adaptation.," Investigative Ophthalmology and Visual Science, vol. 36, no. 11, pp. 2313-7, 1995.
[10]
C. Beckman, "Disputing Viking navigation by polarized skylight.," Applied Optics, vol. 33, no. 21, pp. 4754-5, 1994.
[11]
C. Beckman, "Glare and contrast sensitivity before and after Nd : YAG laser capsulotomy.," Acta ophthalmologica, vol. 72, no. 1, pp. 27-32, 1994.
[12]
C. Beckman, "Imaging through light scattering eye media : letter identification," Proc.SPIE, vol. 2079, pp. 2079-2079, 1994.
[13]
C. Beckman, "Intraocular light scattering in vision, artistic painting, and photography.," Applied Optics, vol. 33, no. 21, pp. 4749-53, 1994.
[14]
C. Beckman, "Glare measurements before and after cataract surgery.," Acta ophthalmologica, vol. 71, no. 4, pp. 471-6, 1993.
[15]
C. Beckman, "Comparison of three methods of evaluating glare.," Acta ophthalmologica, vol. 70, no. 1, pp. 53-9, 1992.
[16]
C. Beckman, "Comparison of two glare measurement methods through light scattering modeling.," Optometry and Vision Science, vol. 69, no. 7, pp. 532-7, 1992.
[17]
C. Beckman, "Optical properties of diffractive, bifocal, intraocular lenses.," Applied Optics, vol. 31, no. 13, pp. 2377-84, 1992.
[18]
R. Scott, C. Beckman and L. F. Garner, "A preliminary investigation into the direct measurement of intra-ocular light scatter after radial keratotomy," Clinical and experimental optometry, vol. 74, no. 6, pp. 204-209, 1991.
[19]
C. Beckman, "Evaluation of a clinical glare test based on estimation of intraocular light scatter.," Optometry and Vision Science, vol. 68, no. 11, pp. 881-7, 1991.
[20]
C. Beckman, L. Lundgren and D. Roos, "Dielectric-loaded circular ridge waveguide applicator for hyperthermia," Microwave and optical technology letters (Print), vol. 1, no. 6, pp. 221-223, 1988.

Conference papers

[21]
O. Kynman et al., "Analysis and Measurement of Key Performance Indicators for MIMO Antennas," in 18th European Conference on Antennas and Propagation, EuCAP 2024, 2024.
[22]
C. Beckman et al., "High Reliability Air-to-Ground Communication System based on Aggregation of Terrestrial Networks," in Proceedings - 2023 28th Asia Pacific Conference on Communications, APCC 2023, 2023, pp. 75-80.
[23]
C. Beckman and J. Markendahl, "Can local 5G networks using local spectrum be used as platform for digitalization of industrial systems and services?," in Proceedings 31st European Regional ITS Conference, Gothenburg, Sweden, June 2022 : Reining in Digital Platforms? Challenging monopolies, promoting competition and developing regulatory regimes, 2022.
[24]
J. Garcia et al., "Measuring and Modeling Aggregate LTE Connection Reliability for Train Operations," in 2022 IEEE international workshop on communications quality and reliability (IEEE CQR), 2022, pp. 31-36.
[25]
H. Mikkelsen et al., "Benchmarking Alternative Technologies for providing Voice Services onboard Trains," in Proceedings of the IEEE Vehicular Technology Conference, 2020.
[26]
J. Garcia et al., "Interactions Between Train Velocity and Cellular Link Throughput - An Extensive Study," in 2019 IEEE 30th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), 2019, pp. 1-7.
[27]
C. Beckman et al., "On the impact of velocity on the train-to-earth MIMO propagation channel : Statistical observations and qualitative analysis," in 2017 IEEE Antennas and Propagation Society International Symposium, Proceedings, 2017, pp. 1865-1866.
[28]
J. Garcia et al., "Train Velocity and Data Throughput - A Large Scale LTE Cellular Measurements Study," in 2017 IEEE 86th Vehicular Technology Conference (VTC-Fall), 2017, pp. 1-6.
[29]
A. C. Ruiz, C. Cavdar and C. Beckman, "Impact of Base Station Antenna Vertical Beam Width and Tilt on the Performance of LTE Networks," in 2016 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM, 2016, pp. 907-908.
[30]
C. Beckman and K. Nilsson, "The Technical and Economic Consequences of Protecting GSM-R in Sweden," in 2016 IEEE 83RD VEHICULAR TECHNOLOGY CONFERENCE (VTC SPRING), 2016.
[31]
C. Elofsson, C. Karlsson and C. Beckman, "On the interference between digital terrestrial television and mobile broadband in the Swedish 800 MHz band," in IEEE International Symposium on Electromagnetic Compatibility, 2014, pp. 528-532.
[32]
M. Alasali, C. Beckman and M. Karlsson, "Providing internet to trains using MIMO in LTE networks," in 2014 International Conference on Connected Vehicles and Expo, ICCVE 2014 - Proceedings, 2014, pp. 810-814.
[33]
V.-I. Bratu and C. Beckman, "Base station antenna tilt for load balancing," in 2013 7th European Conference on Antennas and Propagation (EUCAP), 2013, pp. 2039-2043.
[34]
M. Alasali and C. Beckman, "LTE MIMO performance measurements on trains," in 2013 7th European Conference on Antennas and Propagation (EuCAP), 2013, pp. 2327-2330.
[35]
C. Beckman and B. Karlsson, "The story of Allgon : HF, VHF, cellular and microwave antennas during allmost 60 years," in 2013 7th European Conference on Antennas and Propagation (EuCAP), 2013, pp. 3171-3173.
[36]
A. Ikram, C. Beckman and S. Irmscher, "Design and Development of a Multiband Loop Antenna for Cellular Mobile Handsets," in IEEE International Workshop on Antenna Technology, 2011, pp. 251-254.
[37]
J. Markendahl et al., "Scenario driven requirement engineering for design and deployment of mobile communication networks," in 22nd European Regional ITS Conference, Budapest, 18-21 September, 2011, 2011.
[38]
S. Prasad and C. Beckman, "Comparison of Four Different Methods to Estimate the Radiated Power from Mobile Phones," in Comparison of Four Different Methods to Estimate the Radiated Power from Mobile Phones, 2010, pp. 425-428.
[39]
P. Ramachandran, Z. Milosavljevic and C. Beckman, "Adaptive Matching Circuit for Compensation of Finger Effect on Handst Antennas," in EUCAP 2009, 2009, pp. 801-804.
[40]
P. Ramachandran, O. Bengtsson and C. Beckman, "Impedance determination of terminal power amplifiers for optimal antenna matching using load-pull method," in 2009 IEEE INTERNATIONAL WORKSHOP ON ANTENNA TECHNOLOGY : , 2009, pp. 1-4.
[41]
S. Prasad et al., "Estimation of the Rician K-factor in Reverberation Chambers for Improved Repeatability in Terminal Antenna Measurements," in 30th Annual Symposium of the Antenna Measurement Techniques Association (AMTA), 2008.
[42]
C. Beckman et al., "Verifying 3G License Requirements : some Preliminary Swedish Results," in The 68th IEEE Vehicular Technology Conference : VTC2008-Fall, 2008, pp. 1-4.
[43]
P. H. Krishna et al., "Multi-band PIFA for combined 3G and DVB-H Terminals : a preliminary study," in 2007 IEEE International Workshop on Antenna Technology : Small & Smart Antennas, Metamaterials and Applications : iWAT 2007, S²AMA : conference proceedings : Cambridge, UK, March 21-23, 2007, 2007, pp. 439-442.
[44]
C. Beckman and B. Lindmark, "The evolution of base station antennas for mobile communications," in International Conference on Electromagnetics in Advanced Applications : ICEAA 07, 2007, pp. 85-92.
[45]
C. Beckman et al., "Verifying 3G licence requirements when every dB is worth a billion," in First European Conference on Antennas & Propagation : EuCAP 2006, 2006, pp. 1-4.
[46]
G. Smith and C. Beckman, "Shared Networks : More than making wireless communication affordable," in Vehicular Technology Conference, 2005 : VTC 2005-Spring., 2005, pp. 2984-2988.
[47]
C. Beckman and G. Smith, "The Benefits of network Sharing," in Radiovetenskap och Kommunikation : RVK 2005, 2005, pp. 147-151.
[48]
C. Beckman, "Performance analysis of applying up-link estimates in the down-link beamforming using a dual polarized array," in VTC2000-Spring. 2000 IEEE 51st Vehicular Technology Conference Proceedings (Cat. No.00CH37026), 2000, pp. 690-694 vol.2.
[49]
M. Ahlberg et al., "Downlink propagation measurements in the GSM 900 and 1800 MHz bands," in IEEE Antennas and Propagation Society International Symposium. 1999 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.99CH37010), 1999, pp. 1506-1509 vol.3.
[50]
C. Beckman, B. Christian and G. Engblom, "Antenna diversity for mobile telephones," in IEEE Antennas and Propagation Society International Symposium. 1998 Digest. Antennas: Gateways to the Global Network. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.98CH36, Atlanta, GA, 1998, pp. 2220-2223 vol.4., 1998, pp. 2220-2223.
[51]
B. Lindmark, S. Lundgren and C. Beckman, "Dual polarized aperture coupled patch multibeam antenna," in IEEE Antennas and Propagation Society International Symposium. 1998 Digest. Antennas: Gateways to the Global Network. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.98CH36, 1998, pp. 328-331 vol.1.
[52]
C. Beckman, "Polarization diversity in CDMA," in IEEE Antennas and Propagation Society International Symposium. 1998 Digest. Antennas: Gateways to the Global Network. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.98CH36, 1998, pp. 2236-2239 vol.4.
[53]
C. Beckman, "Wave propagation in curved road tunnels," in IEEE Antennas and Propagation Society International Symposium. 1998 Digest. Antennas: Gateways to the Global Network. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.98CH36, 1998, pp. 1876-1879 vol.4.
[54]
C. Beckman, U. Wahlberg and S. Widell, "Polarization Diversity Antennas," in Antenn 97 : Nordiskt antennsymposium, 1997, pp. 59-65.
[55]
C. Beckman, "The performance of polarization diversity antennas at 1800 MHz," in IEEE Antennas and Propagation Society International Symposium 1997. Digest, 1997, pp. 1368-1371 vol.2.
[56]
C. Beckman and J. Eriksson, "Mutual coupling effects on direction of arrival estimation," in In Radiovetenskaplig konferens, Luleå, Sweden 1996, 1996, pp. 410-414.
[57]
C. Beckman, "Plausibility of assuming ideal arrays for direction of arrival estimation," in IEEE Antennas and Propagation Society International Symposium. 1996 Digest, 1996, pp. 1364-1367 vol.2.
[58]
C. Beckman, "The influence of increased interocular lightscatter on the contrast in a confocal scanning laserophthalmoscope image," in Vision Science and Its Application, Vol. 1 of 1995 OSA Technical Digest Series (Optical Society of America, 1995), 1995, pp. 106-109.
[59]
C. Beckman, "Fiber optic point-source for in vivo measurement of light transmission and scattering in the eye," in OphthalmicTechnologies, Proc. SPIE 2126, 324-330 (Societ of Photo-Optical Engineers, Bellingham WA, 1994)., 1994, pp. 324-330.
[60]
C. Beckman, T. Jörgen and S. Johan, "In vitro Lens Scatter Measurements and Glare Testing," in The Association for Research in Vision and Ophthalmology Annual Meeting. Sarasota, Florida, May 1-6, 1994. Abstracts. Investigative Ophthalmology & Visual Science March 1994, Vol.35, 1254-2383., 1994, p. 1803.
[61]
C. Beckman, "Letter imaging through light scattering eye media in the absence and presence of glaring light," in Vision and its application: OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994)., 1994, pp. 94-97.
[62]
C. Beckman and R. Curt, "Disputing Viking Navigation by Polarized skylight," in Light and Color in the Open Air, OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1993, 1993, pp. 34-37.
[63]
C. Beckman, "Vision and light scattering in the living eye," in Light and Color in the Open Air, 13: 28-31, OSA Technocal Digest Series (Optical Society of America, Washington, D.C.,1993, 1993, pp. 28-31.
[64]
M. Larsson et al., "Optical properties of diffractive, bifocal intraocular lenses," in Ophthalmic Lens Design and Fabrication, SPIE 1529(Societ of Photo-Optical Engineers, Bellingham WA, 1991)., 1991, pp. 63-70.

Non-peer reviewed

Articles

[65]
V.-I. Bratu and C. Beckman, "Antenna Tilt Load Balancing in Self-Organizing Networks," International Journal of Research in Wireless Systems, vol. 2, no. 1, pp. 21-26, 2013.
[66]
C. Beckman and S. Klahr, "Ett ödesval för regionen," Gefle Dagblad, no. 6 februari, 2009.

Conference papers

[67]
C. Beckman, "5G and its Implication for Rail," in Train Communicatins Systems 2019 : The WiFi on trains conference, 2019.
[68]
V.-I. Bratu and C. Beckman, "Base Station Antenna Tilt for Load Balancing and Potential use in Self-Optimizating Networks," in Radiovetenskap och Kommunikation 2013 "Generation, Real-Time Processing, Transport, Distribution and Management of Large Raw Data Volumes in the Physical Sciences"; KVA, Royal Academy of Sciences, Frescati, Stockholm, Sweden, 11-12 November, 2013, 2013.
[69]
I. Tecsor et al., "Initial Investigations into the Effects of Mutual Coupling and Architecture of the EISCAT3D array," in 16th International EISCAT symposium, 12-16 August 2013, Lancaster UK, 2013.
[70]
M. Alasali and C. Beckman, "LTE MIMO Performance Measurements on Board Passenger Trains," in KVA, Royal Academy of Sciences, Frescati, Stockholm 11-12 November 2013, 2013.
[71]
D. Andersson et al., "M-Sequence UWB Radar for Industrial Applications," in Program of GigaHertz Symposium 2010, March 9-10, at Lund University, 2010.
[72]
H. Halim, S. Prasad and C. Beckman, "Evaluation of a Near Field Scanner for TRP and Radiation Pattern Measurements of GSM Mobile Phones," in 3rd European Conference on  Antennas and Propagation, 2009. EuCAP 2009., 2009, pp. 2207-2211.
[73]
C. Beckman and B. Lindmark, "Base station antennas for mobile communications," in 2007 IEEE International Symposium on Antennas and Propagation, 2007.
[74]
S. Prasad et al., "EVALUATION OF THE TELIA SCATTERED FIELD MEASUREMENT METHOD FOR ESTIMATION OF IN-NETWORK PERFORMANCE OF MOBILE TERMINAL ANTENNAS," in 29th Annual Symposium of the Antenna Measurement Techniques Association (AMTA 2007), 2007.
[75]
C. Beckman, B. Lindmark and M. Ahlberg, "Dual Band Base Station Antenna Systems," in Broad Band Radio Access, 1998, pp. 69-74.
[76]
C. Beckman, N. Martin and S. Jesper, "Radio Propagation in Curved Road Tunnels," in Nordic Radio Symposium on Broadband Radio Access, NRS98 (Saltsjöbaden), 1998., 1998, pp. 41-46.
[78]
C. Beckman, "Examining the performance of dul band base station antennas : What progress is being made?," in Integrating GSM & DCS 1800 : Exploiting the business potential of, 1996.
[79]
C. Beckman, J. Thaung and J. Sjöstrand, "In-vitro lens scatter measurements and glare testing," in ARVO Annual Meeting, 1994.

Chapters in books

[81]
C. Beckman, "Verifying 3G License Coverage Requirements," in Advances in Vehicular Networking Technologies, Miguel Almeida Ed., : InTech, 2011, pp. 339-356.

Reports

[83]
C. Beckman, "Antenna-to-Antenna Isolation Measurements," Sophia Antipolis, France, 3GPP TSG-RAN Working Group 4 (Radio) Meeting #8 TSGR4#8(99)631, 1999.

Patents

Patents

[89]
C. Beckman, "Wireless communication system for moving vehicles," us 9750078B2 (2017-08-29), 2013.
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