研究目的
Investigating the feasibility and performance of a novel wireless transceiver system based on a 2-bit pulse-position modulation (PPM) system for E-band wireless communication systems.
研究成果
The proposed impulse radio system with time-based pulse-position modulation is feasible and demonstrates promising performance in 55-nm CMOS technology. The system achieves high data rates, indicating potential for future advancements in wireless communication systems with further CMOS technology scaling.
研究不足
The study focuses on a specific modulation architecture and its implementation in 55-nm CMOS technology, which may limit its applicability to other technologies or modulation schemes. The performance is evaluated in a controlled loop-back test environment, which may not fully represent real-world conditions.
1：Experimental Design and Method Selection:
The study proposes a time-based modulation architecture for a wireless transceiver, focusing on a 2-bit pulse-position modulation (PPM) system. The transmitter includes a pulse-position modulator, impulse generator, millimeter-wave bandpass filter, and power amplifier, while the receiver uses a conventional quadrature demodulator.
2：Sample Selection and Data Sources:
The transmitter and receiver chipsets are fabricated in 55-nm standard CMOS technology.
3：List of Experimental Equipment and Materials:
The study utilizes a 55-nm CMOS technology for chip fabrication, with specific components like pulse-position modulators, impulse generators, and millimeter-wave bandpass filters.
4：Experimental Procedures and Operational Workflow:
The transceiver loop-back tests are conducted to evaluate the data rate performance with repetition data and pseudo-random bit sequence (PRBS) data.
5：Data Analysis Methods:
The performance is assessed based on the achieved data rates and the quality of the demodulated signals.
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