A discrete-time channel-selection filter with flat passband characteristic for LTE

  • Sung Hun Jo
  • , Soon Jae Kweon
  • , Soo Hwan Shin
  • , Hyung Joun Yoo

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

A discrete-time channel-selection filter with flat passband characteristic that satisfies the LTE specification is proposed. To improve the flatness in passband, a second order IIR filter and a compensation filter are adopted. High stopband attenuation is achieved by using the moving average filters. Through the control of sampling frequency, the proposed discrete-time filter chain satisfies the required specifications for all the channels in LTE. The filter is implemented using TSMC 65-nm CMOS process. The simulation shows that proposed discrete-time filter chain has flatness degradation lower than about 4 dB at passband edge.

Original languageEnglish
Title of host publicationProceedings of the 2012 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2012
Pages116-118
Number of pages3
DOIs
StatePublished - 2012
Event2012 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2012 - Singapore, Singapore
Duration: 21 Nov 201223 Nov 2012

Publication series

NameProceedings of the 2012 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2012

Conference

Conference2012 IEEE International Symposium on Radio-Frequency Integration Technology, RFIT 2012
Country/TerritorySingapore
CitySingapore
Period21/11/1223/11/12

Keywords

  • Compensation filter
  • LTE
  • discrete-time filter
  • flatness
  • high-order IIR filter
  • moving average filter

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