Freqency compensation scheme using polar coordinate function for burst transmission wireless modem

Hiroyuki Nakase, Yusuke Kawamura, Atsuyoshi Yamaguchi Hiroshi Oguma, Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi

研究成果: Conference contribution

抄録

New frequency compensation circuit has been proposed using preamble symbols and some pilot symbols. The proposed circuit had a performance of compensation with the offset of 50ppm at 2.4GHz carrier. Initial phase detection and course frequency compensation was achieved from 16-symbol preamble. Minimum mean square scheme was used for evaluation of initial phase and frequency error from phase information of preamble symbols. Accurate compensation of residual frequency offset was operated from the phase information of pilot symbols inserted placed in information payload. Wireless packet modem has been implemented on field programmable gate array (FPGA). Conversion from rectangle coordinates function to polar coordinate function was employed for simple signal processing. Division calculator by bit shifts and lookup table by read only memory (ROM) were used for compact circuit design. Degradation of measured BER from ideal performance was confirmed to be less than 2.5 dB.

本文言語English
ホスト出版物のタイトル2006 IEEE Singapore International Conference on Communication Systems, ICCS 2006
DOI
出版ステータスPublished - 2006 12 1
イベント10th IEEE Singapore International Conference on Communications Systems, ICCS 2006 - Singapore, Singapore
継続期間: 2006 10 302006 11 1

出版物シリーズ

名前2006 IEEE Singapore International Conference on Communication Systems, ICCS 2006

Other

Other10th IEEE Singapore International Conference on Communications Systems, ICCS 2006
CountrySingapore
CitySingapore
Period06/10/3006/11/1

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Communication
  • Electrical and Electronic Engineering

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