PAGE CONTENTS
Objectives
The objective of this feasibility study is to assess the viability of an intermediate frequency input to D-Band antenna output system within a compact footprint. By engaging with system integrators and gathering detailed specifications and performance requirements, VIPER RF aims to develop a preliminary design and technology study for a phased array chipset. Various architectural options will be explored, including system-on-chip or system-in-package solutions, with a particular focus on silicon germanium based semiconductor technology due to its inherent integration capabilities of control and RF electronics.
Challenges
The challenge of developing a D-band chipset is to optimise the interfacing of the semiconductor chips with the sub-system to enable useful system performance. Considerations include signal attenuation in atmospheric conditions, precise beamforming due to beam squint effects, low semiconductor transition to operating frequency ratio, imbalance mismatch, reconfigurability and antenna issues, higher SNR and linearity requirements for higher order modulation schemes, and packaging difficulties.
System Architecture
The system architecture and its building blocks are addressed, along with the necessity of reconfigurability and its various approaches. It was noted that reconfigurability should extend beyond RF hardware to include the baseband processor and modulation schemes, due to the high attenuation in the D-band caused by atmospheric conditions. The system architecture will vary depending on the wide range of applications and potentials in the D-band, which are detailed in the reconfigurability and roadmap chapters.
Plan
This feasibility study has been undertaken in nine calendar months with Kick Off, Mid-Term and Final reviews.
Current Status
This completed feasibility study explores the potential and limitations of semiconductor technologies, packaging, antenna integration, circuit, and reconfigurability approaches. The study concludes by outlining challenges, potentials, collaboration opportunities, and possible D-band applications in space for 5G/6G.
Companies