AWR Announces 3G Design Studio for Visual System Simulator 2002

date: August 3, 2002

Applied Wave Research announced 3G Design Studio, a 3G W-CDMA library, for use with the company’s Visual System Simulator 2002 (VSS) software. The library accelerates radio frequency (RF) and system level design, with 3G simulation and evaluation support, for user equipment (UE) and base station (Node B) wireless communication equipment.

3G Design Studio enables RF and microwave engineers to generate reference measurement channel (RMC) waveforms using single-block transmitter models. The high-level models also provide RF engineers with discrete-time modeling capability to easily set up signals to drive detailed RF circuits.

The 3G Design Studio supports UMTS FDD standard through a comprehensive set of blocks designed to support the engineering team throughout the product development cycle. The VSS 3G FDD library supplies high-level compiled models with highly intuitive user interfaces. “The W-CDMA/UMTS FDD block set combines speed and ease of use with system level measurements of VSS to present a fresh approach to advanced multi-disciplinary design development for today’s challenging 3G wireless technology,” said Ted Miracco, AWR executive vice president.

The 3G Design Studio tackles the complexity of 3G air interface technology by exploiting the power of the AWR design environment. “The library uses powerful GUIs to enable both the RF/microwave and system-level engineers to interact with 3G specifications and to communicate their ideas through one common environment,” said Joel Kirshman, AWR market segment manager.

The AWR design environment, in conjunction with 3G Design Studio, can be used to make intelligent trade-offs throughout the design cycle before committing to hardware. For example, VSS software enables systems engineers to account for the RF characteristics of a detailed power amplifier design at the system level in just one step. The company’s flagship Microwave Office 2002 design suite then provides RF and microwave engineers with the ability to design at the transistor level, and the 3G Design Studio enables both RF and system engineers to quickly construct complex W-CDMA signals that can be used to drive the amplifier or other components.

Both system and RF engineers can use VSS to make performance measurements, such as adjacent-channel power ratio (ACPR), error vector magnitude (EVM), bit error rate (BER) and cumulative distribution function (CCDF). The circuit design can be tuned in “real time”, and/or a system level parameter can be changed while both engineers visualize the impact of changes on overall system performance.

3G Design Studio is compliant with the 3GPP specifications (Rev 3.9) and includes channel coding blocks, such as the rate-matching, turbo code/decode and interleaving functions, scrambling code generation, and spreading/de-spreading algorithms. Propagation models, such as the moving channel (TS25.101 Annex B, section 2.3) and birth-death channel (TS25.101 Annex B, section 2.4), are also provided. For complete end-to-end systems, engineers can choose between of several rake-receiver configurations.

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