Design and implementation of an efficient and large dynamic range hybrid digital AGC for burst communication systems

Gaofeng Xia*, Qin Zhang, Zhao Yang

*Corresponding author for this work

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

3 Citations (Scopus)

Abstract

In digital receiver, automatic gain control (AGC) is usually adopted to solve the problem of large dynamic range of received signals. This paper provides a hybrid AGC algorithm which takes advantage of both feedback AGC and feed forward AGC for burst communication systems. A new efficient signal power estimation method is proposed, which can work in high sample frequency and consumes less resource. The proposed AGC has been hardware implemented and tested with TETRA system. Test results show that it can cope with large dynamic range input signals and has a short settling time. The AGC algorithm proposed by this paper can also be used for other wireless communication systems.

Original languageEnglish
Title of host publicationICSP 2012 - 2012 11th International Conference on Signal Processing, Proceedings
Pages1373-1377
Number of pages5
DOIs
Publication statusPublished - 2012
Event2012 11th International Conference on Signal Processing, ICSP 2012 - Beijing, China
Duration: 21 Oct 201225 Oct 2012

Publication series

NameInternational Conference on Signal Processing Proceedings, ICSP
Volume2

Conference

Conference2012 11th International Conference on Signal Processing, ICSP 2012
Country/TerritoryChina
CityBeijing
Period21/10/1225/10/12

Keywords

  • AGC
  • TETRA
  • burst-mode communication
  • power estimation

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