![Johan HJELM | Professor (Full) | PhD | Technical University of Denmark, Kongens Lyngby | DTU | Department of Energy Conversion and Storage | Research profile Johan HJELM | Professor (Full) | PhD | Technical University of Denmark, Kongens Lyngby | DTU | Department of Energy Conversion and Storage | Research profile](https://i1.rgstatic.net/ii/profile.image/273827280191488-1442296919070_Q512/Johan-Hjelm.jpg)
Johan HJELM | Professor (Full) | PhD | Technical University of Denmark, Kongens Lyngby | DTU | Department of Energy Conversion and Storage | Research profile
![Local Positioning Systems: LBS Applications and Services / Edition 1 by Krzysztof W. Kolodziej, Johan Hjelm | 9780849333491 | Hardcover | Barnes & Noble® Local Positioning Systems: LBS Applications and Services / Edition 1 by Krzysztof W. Kolodziej, Johan Hjelm | 9780849333491 | Hardcover | Barnes & Noble®](http://prodimage.images-bn.com/pimages/9780849333491_p0_v2_s1200x630.jpg)
Local Positioning Systems: LBS Applications and Services / Edition 1 by Krzysztof W. Kolodziej, Johan Hjelm | 9780849333491 | Hardcover | Barnes & Noble®
![Why IPTV?: Interactivity, Technologies, Services (Telecoms Explained): Hjelm, Johan: 9780470998052: Amazon.com: Books Why IPTV?: Interactivity, Technologies, Services (Telecoms Explained): Hjelm, Johan: 9780470998052: Amazon.com: Books](https://m.media-amazon.com/images/I/517rfl8MVcL._AC_UF700,800_QL80_.jpg)
Why IPTV?: Interactivity, Technologies, Services (Telecoms Explained): Hjelm, Johan: 9780470998052: Amazon.com: Books
![Review of Paper: Johan Hjelm “Position dependent services using metadata profile matching” Youyong Zou Apr.15, ppt download Review of Paper: Johan Hjelm “Position dependent services using metadata profile matching” Youyong Zou Apr.15, ppt download](https://slideplayer.com/8824142/26/images/slide_1.jpg)