According to the scaling rule of silicon ultra-large scale integrated circuits (ULSI), metal-oxide semiconductor (MOS) transistor performance can be improved in terms of operation frequency and power consumption by reducing the feature sizes. Total operation frequency of ULSI will be limited at 3-4 GHz due to parasitic
RC delay of conventional metal interconnect lines. In order to overcome
this problem, a new concept of wireless interconnection using Si integrated
antennas operating at microwave frequency has been proposed. Recently,
ultra-wideband communication has been received more attention for short
distance signal transmission.
■ Concept of inter-/intra-chip wireless interconnects using dipole antennas
integrated in stacked multiple Si large scale integrated circuits
Sub Circuit
■ Integrated antennas on Si substrate
■ Design of UWB circuits
2005 Kikkawa Laboratory @ RCNS, Hiroshima Univ. All rights reserved.
■ Transmitting and recieving antenna circuit design for UWB
We are designing single-chip UWB (Ultra-Wide-Band) circuits for transmitting
and recieving signal for inter-chip wireless interconnects.with 0.18μm
CMOS technology design rule. At UWB communication, Gaussian monocycle pulses
are used as transmitting signals. However there are various problems to
design the single-chip such as design for monocycle pluse generation circuits
and wide band LNAs (Low Noise Amplifier). We aim to 1 Gbps data rate with
single-channel and multi-channel using the time hopping modulation.
