定包絡線変調受信機のための1bit量子化A/D変換器の構成と試作評価 (無線通信システム)

Translated title of the contribution: Hardware Configuration and Evaluation of One-bit Quantization A/D Converter for Constant Envelope Modulation Receivers

兼本 大輔, 牟田 修, 福永 龍太, 古川 浩, 金谷 晴一, 吉田 啓二

Research output: Contribution to journalArticle

Abstract

The authors have investigated a single carrier phase modulation (constant envelope modulation) system employing 1-bit quantization A/D conversion which simplifys the receiver analog circuits. In this paper, hardware configuration and implemented results of a 1 bit A/D converter for constant envelope modulation (CEM) systems were discussed, where 1 bit A/D converter is implemented on a 0.18μm CMOS process. Since circuit area for the 1 bit A/D converter are small, it can be expected that the CEM receiver is realized with small analog circuit area and low power consumption. The 1 bit A/D converter is utilized in order to digitize the received signal. We measured the A/D converter output experimentally by using the differential encoded Gaussian MSK (GMSK) signal as the input signal of the A/D converter. In addition, we evaluated bit error rate (BER) performance of the system by computer simulations using the measured A/D converter output data.
Translated title of the contributionHardware Configuration and Evaluation of One-bit Quantization A/D Converter for Constant Envelope Modulation Receivers
Original languageJapanese
Pages (from-to)119-124
Number of pages6
JournalIEICE technical report
Volume113
Issue number8
Publication statusPublished - Apr 18 2013

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