Visual System Simulator™ (VSS) is a comprehensive software suite for the design of complete, end-to-end communications systems. VSS 2007 has been enhanced in many areas as part of AWR’s ongoing commitment to provide engineers with the unique ability to design the right system architecture and formulate suitable specifications for each of the underlying components in today’s complex communications designs. The VSS development team has targeted key features that will help designers reduce time-to-market by eliminating iterations and rework, and cut system costs by ensuring that components are not overspecified and thus unnecessarily expensive. VSS 2007 software now includes RFA technology, an advanced system-level RF architectural planning and specification tool for RF communication system engineers who need to quickly create and verify the initial specifications of a radio design before committing to hardware and/or a particular circuit design. RFA offers a new simulation tool, RF Inspector, which helps designers find potential problems early in the design process, at the system-level design phase, thus saving significant design cycle time and costly respins. Users can identify sources of intermodulation products and undesired spurs of an RF link, including the effects of conversions, harmonics, and noise. This enables users to isolate the sources of unwanted interferers and to better architect their RF systems. The software works with both of AWR’s circuit design suites, Microwave Office® 2007 and Analog Office® 2007, to effectively give the engineering team the “big picture” on how component specifications affect overall system performance. Features: · RFA™ system-level RF architectural planning tool, including RF Inspector™ system simulation · RF centric measurements such as integrated phase noise and carrier-to-interference noise ratio (CINR) · Powerful and comprehensive features for dedicated sub-systems engineers, including: o RF cascade measurements with optimization and yield analysis to enhance component specifications o Impedance mismatch to monitor voltage standing wave ratio (VSWR) and impact on overall system design · Tight integration with Microwave Office and Analog Office design suites, enabling harmonic balance, EM, and/or linear co-simulation · WiMAX mobile library, fully compliant with IEEE 802.16e-2005 specifications, WirelessMAN-OFDMA physical layer · VSS application-specific test benches are available for the most communications standards · One-step signal generators for creating test signals with minimum effort · A wide range of easy-to-set-up system measurements that reduce result analysis time · Fixed-point library to perform simulations using the same mathematics as hardware · Optional TestWave™ module for direct link to leading test and measurement equipment