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Connection One: Communication Circuits & Systems Research Center

Arizona State University

A National Science Foundation Industry/University Cooperative Research Center since 2002

Devising On-Chip Analog/Digital Circuits, RF Circuits, and Communication Systems to reduce the complexity and power consumption of mobile devices and enable all-purpose ubiquitous portable communication devices

Center Mission and Rationale

The vision of this center, to simplify and enable a small portable all-in-one communication device, is reflected in its name: Connection One. The mission of Connection One is to combine educational and research programs in the development of new devices that will handle multiple communication protocols on one small system. An exclusive industry/university partnership combines an academic environment with state-of-the-art research initiatives. As a Cooperative Research Program, each Connection One project is sponsored and supported by an industrial member, providing a one-to-one link between faculty/students and industry. With the support of partner companies, this new center is establishing a state-of-the-art educational program in RF, analog/digital, mixed-signal, and communication devices. Further, the center will establish and support a Student Fellowship program that allows students to perform their research at Arizona State University and, afterwards, serve an internship at the industrial site that will provide them with practical experience while facilitating technology transfer.

Research Program

The research focus of Connection One is on the following areas:

RF & Transceiver Design

• Multi-mode Wireless Transceiver Architecture
• RF Front-end IC Design
• Low Power Transceiver Design
• RF, LNA, Oscillator and VCO in CMOS, SiGe, and new technology
• High-Q MEM Resonators
• Broadband Communications Circuits
• Ultra-wideband Communication Receivers

Integrated Circuits

• High Resolution CMOS A/D for Telecom applications
• Tunable High Order Sigma Delta Converters
• High-frequency, Low-dropout Voltage Regulators and Power Management
• ICs
• Next Generation Packaging and Mixed-signal Test
• Design and Testing of Integrated Passive Components for RF applications

Telecommunication Systems

• Systematic Modeling and Simulation of Transceiver Architecture
• Performance Degradation of Transceiver, based on the system non-linearity, distortion, and noise
• Adaptive Modulation Method for CDMA and OFDM, to increase capacity
• Adaptive Multiple Antenna with Space Time Diversity
• Low-power Design: Architectural approaches to leakage energy reduction in caches
• Receiver Design for Multi-path Fast Fading Wireless Communication Channels

Seven of the currently funded projects are:

• High Bandwidth, Small Die Area, Low Voltage Op-amps in Deep Sub Micron CMOS
• Monolithic Power Management for Mixed-signal Integrated Circuits
• Task Scheduling for Battery Powered Systems
• Multi-mode TRX
• Design for Ultra-wideband Receiver with Matching Circuitry
• RF Front-end Architecture for Software Defined Radios
• High Performance 10bit Cyclic A/D Converter

Center Headquarters

Connection One
Arizona State University
Goldwater Building – Room 411
PO Box 877206
Tempe, AZ 85287-7206
Tel (480) 727-8044•Fax (480) 965-8325
Homepage: www.connectionone.org
Email: connectionone@asu.edu

Center Director: Dr. Sayfe Kiaei
Sayfe.kiaei@asu.edu

Center Evaluator: Dr. Craig Scott
(206) 221-3368 • scottcs@uwashington.edu