Session 7 – Honolulu Suite

High Data Rate Wireless and Imaging

Wednesday, June 13, 3:25 p.m.

Chairpersons: A. Cathelin, STMicroelectronics

C.M. Hung, MStar Semiconductor, Inc.

7.1 - 3:25 p.m.

A 260 GHz Fully Integrated CMOS Transceiver for Wireless Chip-to-Chip Communication, J.-D. Park, S. Kang, S. Thyagarajan, E. Alon, A. Niknejad, University of California, Berkeley

A fully integrated 260GHz OOK transceiver is demonstrated in 65nm CMOS. Communication at 10Gb/s has been verified over a range of 40 mm. The Tx/Rx dual on-chip antenna array is implemented with half-width leaky wave antennas. Each Tx consists of a quadrupler driven by a class-D-1 PA with a distributed OOK modulator, and outputs +5 dBm of EIRP. The Rx uses a double balanced mixer to down-convert to a V-band IF signal that is amplified with a wideband IF driver and demoduated on-chip.

7.2 - 3:50 p.m.

135 GHz 98 mW 10 Gbps ASK Transmitter and Receiver Chipset in 40 nm CMOS, N. Ono, M. Motoyoshi*, K. Takano*, K. Katayama*, R. Fujimoto**, M. Fujishima*, Semiconductor Technology Academic Research Center, *Hiroshima University, **Toshiba Corp.

An ASK transmitter and receiver chipset using 40 nm CMOS technology for wireless communication systems is described, in which a maximum data rate of 10 Gbps and power consumption of 98.4 mW are obtained with a carrier frequency of 135 GHz. A simple circuit and a modulation method to reduce power consumption are selected for the chipsets. To realize multi-gigabit wireless communication, the receiver is designed with consideration of the group delay optimization.

7.3 - 4:15 p.m.

A 21.5mW 10+Gb/s mm-Wave Phased-Array Transmitter in 65nm CMOS, L. Kong, E. Alon, University of California, Berkeley

This paper presents a 65nm mm-wave transmitter efficiently supporting QPSK modulation and phased array functionality with a proposed oscillator modulation technique. The design delivers an average output power of 1mW at 10Gb/s and 0.8mW at 14Gb/s while consuming 21.5mA DC current from a 1V supply. At 10Gb/s, an overall transmitter efficiency of 4.65% is achieved, representing ~1.8X improvement over prior art.

7.4 - 4:40 p.m.

A UWB IR Timed-Array Radar Using Time-Shifted Direct-Sampling Architecture, C.-M. Lai, K.-W. Tan, L.-Y. Yu, Y.-J. Chen, J.-W. Huang, S.-C. Lai, F.-H. Chung, C.-F. Yen, J.-M. Wu, P.-C. Huang, K.-J. Chang, S.-Y. Huang, T.-S. Chu, National Tsing Hua University

A UWB impulse radio (IR) timed-array radar using time-shifted direct-sampling architecture is presented. The transmitter array can generate and send a variety of 10GS/s pulses towards targets. The receiver array samples the reflected signal in RF domain directly by time interleaved sampling with equivalent sampling rate of 20 GS/s. The radar system can determine time of arrival (TOA) and direction of arrival (DOA) through time-shifted sampling edges which are generated by on-chip digital-to-time converters (DTC). The proposed architecture has range and azimuth resolution of 0.75 cm and 3 degree respectively. This prototype is implemented in a 0.18μm CMOS technology.

7.5 - 5:05 p.m.

A 94GHz mm-Wave to Baseband Pulsed-Radar for Imaging and Gesture Recognition, A. Arbabian, S. Kang*, S. Callender*, J.-C. Chien*, B. Afshar*, A. Niknejad*, Stanford University, *University of California, Berkeley

An integrated phase-coherent and pixel-scalable pulsed-radar transceiver with on-chip tapered loop antennas generates programmable pulses down to 36ps using an integrated 94GHz carrier, frequency synthesized and locked to an external reference. A DLL controls the TX pulse position with 2.28ps resolution, which allows the chip to function as a unit element in a timed-array. The receiver also features a >1.5THz GBW DA as the front-end amplifier, wideband quadrature mixers, and a 26GHz quadrature baseband. Phase coherency allows for ~375μm single-target position resolution by interferometry.