@inproceedings{24286,
  author       = {{Scheytt, Christoph and Javed, Abdul Rehman}},
  booktitle    = {{Workshop on Approximate Computing}},
  location     = {{Paderborn}},
  title        = {{{Shifting the Analog-Digital Boundary in Signal Processing: Should We Use Mixed-Signal "Approximate" Computing?}}},
  year         = {{2015}},
}

@inproceedings{24291,
  abstract     = {{In this paper, a miniaturized 122 GHz ISM band FMCW radar is used to achieve micrometer accuracy. The radar consists of a SiGe single chip radar sensor and LCP off-chip antennas. The antennas are integrated in a QFN package. To increase the gain of the radar, an additional lens is used. A combined frequency and phase evaluation algorithm provides micrometer accuracy. The influence of the lens phase center on the beat frequency phase and hence, the overall accuracy is shown. Furthermore, accuracy limitations of the radar system over larger measurement distances are investigated. Accuracies of 200 μm and 2 μm are achieved over a distance of 1.9 m and 5 mm, respectively.}},
  author       = {{Scherr, Steffen and Göttel, Benjamin and Ayhan, Serdal and Bhutani, Akanksha and Pauli, Mario and Winkler, Wolfgang and Scheytt, Christoph and Zwick, Thomas}},
  booktitle    = {{European Microwave Week 2015}},
  title        = {{{Miniaturized 122 GHz ISM Band FMCW Radar with Micrometer Accuracy}}},
  doi          = {{10.1109/EuRAD.2015.7346291}},
  year         = {{2015}},
}

@inproceedings{24289,
  author       = {{Müller, Wolfgang and Wu, Liang and Scheytt, Christoph and Becker, Markus and Schoenberg, Sven}},
  booktitle    = {{Proceedings of the 1st International Workshop on Resiliency in Embedded Electronic Systems (REES 2014)}},
  editor       = {{Mueller-Gritschneder, Daniel and Müller, Wolfgang and Mitra, Subhasish}},
  title        = {{{On the Correlation of HW Faults and SW Errors}}},
  year         = {{2015}},
}

@inproceedings{24294,
  abstract     = {{Parallel Sequence Spread Spectrum (PSSS) is a physical layer (PHY) baseband technology which is gaining interest for both wireless and wired multi-gigabit communication systems. PSSS is well suited for mixed signal transceiver implementation including channel equalization and allows for a reduction in power dissipation by avoiding high speed data converters. The architecture of a mixed signal baseband processor for 100 Gbps wireless communication is described that reduces the implementation complexity and results in a consequent reduction in power dissipation and chip area.}},
  author       = {{Javed, Abdul Rehman and Scheytt, Christoph and KrishneGowda, Karthik and Kraemer, Rolf}},
  booktitle    = {{Wireless and Microwave Technology Conference (WAMICON)}},
  pages        = {{1--4}},
  publisher    = {{IEEE}},
  title        = {{{System Design Considerations for a PSSS transceiver for 100Gbps wireless communication with emphasis on mixed Signal implementation}}},
  doi          = {{10.1109/WAMICON.2015.7120419}},
  year         = {{2015}},
}

@inproceedings{24293,
  abstract     = {{Parallel Sequence Spread Spectrum (PSSS) is a physical layer baseband technology wherein parallel data streams are transmitted simultaneously by spreading them using orthogonal codes. PSSS was selected for the wireless sensor network standard IEEE802.15.4-2006 to increase data rate and improve performance in fading channels for frequency bands below 1 GHz. Since then it has gained interest for both wireless and wired communication links.}},
  author       = {{Javed, Abdul Rehman and Scheytt, Christoph}},
  booktitle    = {{1st URSI Atlantic Radio Science Conference (URSI AT-RASC 2015)}},
  title        = {{{System Design and Simulation of a PSSS Based Mixed Signal Transceiver for a 20 Gbps Bandwidth Limited Communication Link}}},
  doi          = {{10.1109/URSI-AT-RASC.2015.7302987}},
  year         = {{2015}},
}

@inproceedings{24292,
  author       = {{Scheytt, Christoph and Javed, Abdul Rehman}},
  booktitle    = {{European Microwave Week 2015}},
  title        = {{{Mixed-Signal Baseband Processing for 100 Gbit/s Communications}}},
  year         = {{2015}},
}

@inproceedings{24297,
  author       = {{Javed, Abdul Rehman and Scheytt, Christoph and Kraemer, Rolf and Messinger, Tobias and Kallfass, Ingmar}},
  location     = {{Nürnberg, Germany}},
  title        = {{{Mixed-mode Baseband for 100 Gbit/s Wireless Communications}}},
  year         = {{2015}},
}

@misc{24295,
  author       = {{Scheytt, Christoph and Javed, Abdul Rehman}},
  booktitle    = {{ForschungsForum Paderborn}},
  number       = {{18}},
  pages        = {{25--30}},
  title        = {{{100 Gigabit pro Sekunde und mehr für das drahtlose Hochgeschwindigkeits-Internet}}},
  year         = {{2015}},
}

@inproceedings{24290,
  abstract     = {{The recent rapid development of silicon photonics technology has spurred the process of on-chip 
integration of all kinds of opto-electronic components. One of the most common components of such type 
is the opto-electrical receiver. The monolithic implementation of the receiver could potentially have lower 
power consumption, higher sensitivity and bandwidth due to very short diode to amplifier connection 
length, which has very low parasitic capacitance and series resistance. The SiGe photodiode itself is also 
very compact, thus lowering the junction capacitance and improving its bandwidth. Among the different optical communication systems, coherent transmission lately received a lot of 
attention due to the rising requirements of the optical link capacity, and it was shown that this particular 
approach could benefit greatly from the monolithic integration, since the major component required for the 
demodulation on the receiver side – 90° optical hybrid – could be implemented fully passive and directly 
on the same chip as the receiver itself, together with digital post-processing circuitry. Despite the initial 
complexity of the modulation scheme, advanced silicon photonics components like this optical hybrid 
could make coherent transmission attractive even for short-range optical links. I would like to present the actual designs, implementation and measurement results of 90° fully passive 
optical hybrids, implemented in the IHP SG25PIC (passive photonics IC) technology. One of the designs 
is based on 4x4 multimode interferometer (MMI). The other one is based on two separate 2x2 MMIs with 
additional delay element. The final designs didn’t require any additional tuning after fabrication and have 
shown sufficient precision and performance for a coherent system design. The results of this work were 
later used for the design of monolithic coherent receiver.}},
  author       = {{Gudyriev, Sergiy and Scheytt, Christoph}},
  booktitle    = {{Kleinheubacher Tagung 2015}},
  pages        = {{18}},
  title        = {{{Silicon photonics 90° optical hybrid design for coherent receivers}}},
  year         = {{2015}},
}

@inproceedings{24300,
  author       = {{Wessel, Jan and Schmalz, Klaus and Cahill, Brian and Scheytt, Christoph}},
  booktitle    = {{Elektrotechnisches Kolloquium}},
  title        = {{{Design of an Electrical Interferometer at 120 GHz for Contactless Permittivity Characterization}}},
  year         = {{2014}},
}

@inproceedings{24308,
  abstract     = {{A 115 GHz slow wave transmission line intended for phase detection based integrated biosensors is presented. The structure was fabricated in a 130 nm SiGe process. It achieved the targeted overall phase shift of 1° at 115 GHz. Moreover, the phase can be adjusted by 16 switches using Heterojunction Bipolar (HBT) transistors leading to a phase resolution of 0.125°. The change in input and output matching over all configurations of the switches is not higher than 0.8 dB and the transmission S 21 varies with less than 0.7 dB. To the authors knowledge, it is the first switchable slow wave structure using microstrip transmission lines along with a bipolar switch circuitry. Moreover, the presented structure provides a very powerful solution for real-time digital read-outs in integrated biosensors, without need of additional signal processing steps.}},
  author       = {{Wessel, Jan and Schmalz, Klaus and Scheytt, Christoph and Meliani, Chafik}},
  booktitle    = {{Microwave Symposium (IMS), 2014 IEEE MTT-S International}},
  pages        = {{1 -- 3}},
  publisher    = {{IEEE}},
  title        = {{{ Switchable slow wave transmission line in 130 nm SiGe technology at 115 GHz for phase detection based biosensors}}},
  doi          = {{10.1109/MWSYM.2014.6848446}},
  year         = {{2014}},
}

@inproceedings{24303,
  abstract     = {{A calibration technique as well as measurement results for a 7 GHz Biosensor are presented. It is shown that the applied sensor structure can be calibrated by adjusting the phase of a sensing element's transmission S21. This is realized by slowing down the wave traveling a microstrip line serving as a reference in the differential sensor structure. The dielectric properties along with certain physical boundaries of an obstacle covering parts of the microstrip line evoke that effect. Measurements with an ethanol serious along with simulation results showed that sensitivity can be increased substantially with this calibration technique. A change of the real part of the sample's permittivity of 48 leads to a 18 MHz frequency shift.}},
  author       = {{Wessel, Jan and Schmalz, Klaus and Scheytt, Christoph and Meliani, Chafik and Cahill, Brian}},
  booktitle    = {{European Microwave Conference (EuMC)}},
  pages        = {{699 -- 702}},
  publisher    = {{IEEE}},
  title        = {{{A 7 GHz biosensor for permittivity change with enhanced sensitivity through phase compensation}}},
  doi          = {{10.1109/EuMC.2014.6986530}},
  volume       = {{44th}},
  year         = {{2014}},
}

@inproceedings{24307,
  abstract     = {{There is a continuous increase of bandwidth-demanding services such as ultra HDTV, 3D TV, etc. which will require data rates up to 100-400 Gb/s for short range wireless communication. This paper introduces a novel mixed-mode design where both analog and digital domain design is considered, which helps in the reduction of power consumption. Parallel Sequence Spread Spectrum (PSSS) is used for physical layer (PHY) baseband technology, which considerably alleviates both transmitter and receiver design.}},
  author       = {{Kraemer, Rolf and Wolf, Andreas and Scheytt, Christoph and Kallfass, Ingmar and KrishneGowda, Karthik}},
  booktitle    = {{2014 IEEE 15th Annual IEEE Wireless and Microwave Technology Conference (WAMICON)}},
  publisher    = {{IEEE}},
  title        = {{{Wireless 100 Gb/s: PHY layer Overview and Challenges in THz freqency band}}},
  doi          = {{10.1109/WAMICON.2014.6857743}},
  year         = {{2014}},
}

@article{24302,
  abstract     = {{In this paper, we present an efficient approach to virtual platform modeling for TriCore-based SoCs by combining fast and open software emulation with IEEE-1666 Standard SystemC simulation.  For evaluation we consider Infineon's recently introduced AURIX processor family as a target platform, which utilizes multiple CPU cores operating in lockstep mode, memories, hierarchical buses, and a rich set of peripherals. For SoC prototyping, we integrate the fast and open instruction accurate QEMU software emulator with the TLMu library for SystemC co-verification. This article reports our most recent efforts of the implementation of the TriCore instruction set for QEMU. The experimental results demonstrate the functional correctness and performance of our TriCore implementation.}},
  author       = {{Koppelmann, Bastian and Messidat, Bernd and Becker, Markus and Kuznik, Christoph and Müller, Wolfgang and Scheytt, Christoph}},
  journal      = {{Design and Verification Conference (DVCON EUROPE)}},
  location     = {{München, Germany}},
  title        = {{{Fast and Open Virtual Platforms for TriCore-based SoCs Using QEMU}}},
  year         = {{2014}},
}

@inproceedings{24304,
  author       = {{Scheytt, Christoph}},
  booktitle    = {{Analog 2014,14. Fachtagung der Gesellschaft für Mikroelektronik, Mikrosystemtechnik und Feinwerktechnik des VDE und VDI}},
  title        = {{{System-on-Chip Design für Funkfrequenzen oberhalb von 100 GHz-Herausforderungen und potenzielle Anwendungen}}},
  year         = {{2014}},
}

@article{24306,
  author       = {{Elkhouly, Mohamed and Mao, Yanfei and Meliani, Chafik and Scheytt, Christoph and Ellinger, Frank}},
  journal      = {{IEEE JOURNAL OF SOLID-STATE CIRCUITS}},
  number       = {{9}},
  title        = {{{A -Band Four-Element Butler Matrix in 0.13 µm SiGe BiCMOS Technology}}},
  volume       = {{49}},
  year         = {{2014}},
}

@inproceedings{24301,
  author       = {{Scheytt, Christoph}},
  booktitle    = {{Fakultätskolloquium der Fakultät für Elektrotechnik und Informationstechnik}},
  title        = {{{mm-Wellen- und Electronic-Photonic System-on-Chip Design}}},
  year         = {{2014}},
}

@article{24310,
  abstract     = {{A millimeter wave frequency mixed-signal design of a 1-tap half-rate look-ahead decision feedback equalizer for 80 Gb/s short-reach optical communication systems is presented. On-wafer tests are developed to determine the maximum operating bit rate of the equalizer. Results are also presented for intersymbol interference mitigation at 80 Gb/s for a 20 GHz bandwidth-limited channel. Further improvements on the architecture of the 80 Gb/s equalizer are discussed and used in the design and on-wafer measurement of a 110 Gb/s equalizer. The equalizers are designed in a 0.13 μm SiGe:C BiCMOS technology. The 80 and 110 Gb/s versions dissipate 4 and 5.75 W, respectively and occupy 2 and 2.56 mm 2 , respectively.}},
  author       = {{Awny, Ahmed and Möller, Lothar and Junio, Josef and Scheytt, Christoph and Thiede, Andreas}},
  issn         = {{1558-173X}},
  journal      = {{IEEE JOURNAL OF SOLID-STATE CIRCUITS}},
  number       = {{No.2}},
  pages        = {{452--470}},
  title        = {{{Design and Measurement Techniques for an 80 Gb/s 1-Tap Decision Feedback Equalizer}}},
  doi          = {{10.1109/JSSC.2013.2285385}},
  volume       = {{Vol.49}},
  year         = {{2014}},
}

@inproceedings{34585,
  abstract     = {{In this paper, we present an efficient approach to virtual platform modeling for TriCore-based SoCs by combining fast and open software emulation with IEEE-1666 Standard SystemC simulation.  For evaluation we consider Infineon's recently introduced AURIX processor family as a target platform, which utilizes multiple CPU cores operating in lockstep mode, memories, hierarchical buses, and a rich set of peripherals. For SoC prototyping, we integrate the fast and open instruction accurate QEMU software emulator with the TLMu library for SystemC co-verification. This article reports our most recent efforts of the implementation of the TriCore instruction set for QEMU. The experimental results demonstrate the functional correctness and performance of our TriCore implementation.}},
  author       = {{Koppelmann, Bastian and Messidat, Bernd and Becker, Markus and Müller, Wolfgang and Scheytt, J. Christoph}},
  booktitle    = {{Proceedings of the Design and Verification Conference Europe (DVCON Europe)}},
  keywords     = {{System Design, Verification}},
  title        = {{{Fast and Open Virtual Platforms for TriCore-based SoCs Using QEMU}}},
  year         = {{2014}},
}

@inproceedings{34583,
  abstract     = {{In this paper, we present an efficient approach to virtual platform modeling for TriCore-based SoCs by combining fast and open software emulation with IEEE-1666 Standard SystemC simulation.  For evaluation we consider Infineon's recently introduced AURIX processor family as a target platform, which utilizes multiple CPU cores operating in lockstep mode, memories, hierarchical buses, and a rich set of peripherals. For SoC prototyping, we integrate the fast and open instruction accurate QEMU software emulator with the TLMu library for SystemC co-verification. This article reports our most recent efforts of the implementation of the TriCore instruction set for QEMU. The experimental results demonstrate the functional correctness and performance of our TriCore implementation.}},
  author       = {{Koppelmann, Bastian and Messidat, Bernd and Kuznik, Christoph and Müller, Wolfgang and Becker, Markus and Scheytt, J. Christoph}},
  booktitle    = {{Proceedings of the Design and Verification Conference Europe (DVCON Europe)}},
  keywords     = {{System Design, Verification}},
  title        = {{{Fast and Open Virtual Platforms for TriCore-based SoCs Using QEMU}}},
  year         = {{2014}},
}