Real100G.COM - Mixed-Mode Baseband for 100  Gbit/s Wireless Communication


Prof. Dr.-Ing. Ingmar Kallfass

University of Stuttgart

Institut für Robuste Leistungshalbleitersysteme (ILH)

Prof. Dr.-Ing. Rolf Kraemer

Brandenburg University of Technology Cottbus–Senftenberg

Institut für Informatik

Lehrstuhl Systeme

Prof. Dr.-Ing. Christoph Scheytt

Universität Paderborn

Heinz Nixdorf Institut

Fachgruppe Schaltungstechnik


The project aims at providing a viable route to the technically comprehensive, scalable and energy-efficient realization of wireless links with data rates of 100 Gbit/s and more. The link concept operates with moderate spectral efficiencies of 2-3 bit/s/Hz at an ultra- broadband radio-frequency range. proposes major innovations requiring the inter-disciplinary research of a consortium:

  • Architecture and System design of a 100 Gb/s wireless communication signal proces- sor (Group Kallfass, Kraemer, Scheytt)
  • Resource-efficient mixed-mode baseband processing based on PSSS as a scalable and energy-efficient method avoiding fast AD-/DA conversion and reducing digital sig- nal processing (group Scheytt; Group Kraemer)
  • Synchronous detection at the RF carrier frequency for optimum bandwidth usage under the requirements of ultra-high bandwidth and ultra-high frequency (group Kallfass)

The initial three-year work plan comprises theoretical studies, prototype development and experimental validation of the proposed concepts, with transmission experiments carried out us- ing an existing millimeter-wave wireless link operating in the RF range from 200-280 GHz. The concepts shall in the second phase be applied to advanced wireless transceivers developed by other groups in the priority program, with a particular focus on Silicon-based RF frontends for monolithic integration of RF, IF and baseband electronics into hardware- and energy-efficient 100 Gbit/s transceivers.