E
Eleftherios Karipidis
Researcher at Ericsson
Publications - 70
Citations - 2277
Eleftherios Karipidis is an academic researcher from Ericsson. The author has contributed to research in topics: Beamforming & Wireless network. The author has an hindex of 19, co-authored 70 publications receiving 2164 citations. Previous affiliations of Eleftherios Karipidis include Technical University of Crete & University of Crete.
Papers
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Journal ArticleDOI
Quality of Service and Max-Min Fair Transmit Beamforming to Multiple Cochannel Multicast Groups
TL;DR: It is shown that Lagrangian relaxation coupled with suitable randomization/cochannel multicast power control yield computationally efficient high-quality approximate solutions.
Patent
Network architecture, methods, and devices for a wireless communications network
Stefan Parkvall,Janne Peisa,Gunnar Mildh,Robert Baldemair,Stefan Wager,Jonas Kronander,Karl Werner,Richard Abrahamsson,Ismet Aktas,Peter Alriksson,Junaid Ansari,Ashraf Shehzad Ali,Henrik Asplund,Fredrik Athley,Håkan Axelsson,Joakim Axmon,Johan Axnäs,Kumar Balachandran,Gunnar Bark,Jan-Erik Berg,Andreas Bergström,Håkan Björkegren,Nadia Brahmi,Cagatay Capar,Anders Carlsson,Andreas Cedergren,Mikael Coldrey,Icaro L. J. da Silva,Erik Dahlman,Ali El Essaili,Ulrika Engström,Mårten Ericson,Erik Eriksson,Mikael Fallgren,Fan Rui,Gabor Fodor,Pål Frenger,Jonas Fridén,Jonas Fröberg Olsson,Anders Furuskär,Johan Furuskog,Virgile Garcia,Ather Gattami,Fredrik Gunnarsson,Ulf Gustavsson,Bo Hagerman,Fredrik Harrysson,Ning He,Martin Hessler,Kimmo Hiltunen,Song-Nam Hong,Dennis Hui,Jörg Huschke,Tim Irnich,Sven Jacobsson,Niklas Jaldén,Simon Järmyr,Zhiyuan Jiang,Martin Johansson,Niklas Johansson,Du Ho Kang,Eleftherios Karipidis,Patrik Karlsson,Ali S. Khayrallah,Caner Kilinc,Göran N. Klang,Sara Landström,Christina Larsson,Gen Li,Lars Lindbom,Robert Lindgren,Bengt Lindoff,Fredrik Lindqvist,Liu Jinhua,Thorsten Lohmar,Qianxi Lu,Lars Manholm,Ivana Maric,Jonas Medbo,Qingyu Miao,Reza Moosavi,Walter Müller,Elena Myhre,Karl Norrman,Bengt-Erik Olsson,Torgny Palenius,Sven Petersson,Jose Luis Pradas,Mikael Prytz,Olav Queseth,Pradeepa Ramachandra,Edgar Ramos,Andres Reial,Thomas Rimhagen,Emil Ringh,Patrik Rugeland,Johan Rune,Joachim Sachs,Henrik Sahlin,Vidit Saxena,Nima Seifi,Yngve Selén,Eliane Semaan,Sachin Sharma,Shi Cong,Johan Sköld,Magnus Stattin,Anders Stjernman,Dennis Sundman,Lars Sundström,Miurel Isabel Tercero Vargas,Claes Tidestav,Sibel Tombaz,Johan Torsner,Hugo Tullberg,Jari Vikberg,Peter von Wrycza,Thomas Walldeen,Pontus Wallentin,Wang Hai,Ke Wang Helmersson,Wang Jianfeng,Yi-Pin Eric Wang,Niclas Wiberg,Wittenmark Emma,Osman Nuri Can Yilmaz,Ali A. Zaidi,Zhang Zhan,Zhang Zhang,Zheng Yanli +129 more
TL;DR: In this article, the uplink access configuration index is used to identify an uplink AP from among a predetermined plurality of AP configurations, and then the AP is transmitted to the wireless communications network according to the identified AP.
Journal ArticleDOI
Far-Field Multicast Beamforming for Uniform Linear Antenna Arrays
TL;DR: It is proven here that for Vandermonde channel vectors, it is possible to recast the optimization in terms of the autocorrelation sequences of the sought beam vectors, yielding an equivalent convex reformulation in the efficient optimal solution using modern interior point methods.
Journal ArticleDOI
Spectrum sharing improves the network efficiency for cellular operators
TL;DR: The article describes the potential gain by spectrum sharing between cellular operators in terms of network efficiency and encourages to seriously consider the inter-operator spectrum sharing technologies.
Proceedings ArticleDOI
Transmit beamforming to multiple co-channel multicast groups
TL;DR: In this article, the problem of transmits beamforming to multiple co-channel multicast groups is considered, from the viewpoint of guaranteeing a prescribed minimum signal-to-interference-plus-noise-ratio (SENR) at each receiver.