A novel tunable UWB pulse design for narrowband interference suppression implemented in BiCMOS technology

Author

Hedayati, H. ; Fotowat-Ahmady, A.

Author_Institution

Dept. of Electr. Eng., Sharif Univ. of Technol., Tehran, Iran

fYear

2009

fDate

24-27 May 2009

Firstpage

405

Lastpage

408

Abstract

The unique properties of modified Hermite pulses is utilized to develop a novel pulse technique for ultra wideband (UWB) communications. The proposed method increases the bandwidth of the pulse up to 10 GHz and overcomes the coexistence problem of UWB and vulnerable narrowband systems through suppressing narrowband interference. Consequently it improves the range of UWB communications by increasing the power, without disturbing the narrowband systems. The pulse technique is implemented in high frequency pulse generation circuits and could be fully integrated in BiCMOS process. The nulls of the frequency response are tuned to be located in a definite narrowband system with the number of the nulls being adjustable too. The prototype has been designed and simulated in 0.18 mum BiCMOS technology. The simulation results are in close agreement with mathematical derivations.

Keywords

BiCMOS integrated circuits; MMIC; interference suppression; pulse generators; radiofrequency interference; ultra wideband communication; BiCMOS technology; high frequency pulse generation circuits; modified Hermite pulses; narrowband interference suppression; pulse technique; size 0.18 mum; tunable UWB pulse design; ultra wideband communications; vulnerable narrowband systems; Bandwidth; BiCMOS integrated circuits; Circuit simulation; Frequency; Interference suppression; Narrowband; Pulse circuits; Tunable circuits and devices; Ultra wideband communication; Ultra wideband technology; FCC mask; Ultra Wideband (UWB); narrowband interference suppression; narrowband system; pulse generator; tunable;

fLanguage

English

Publisher

ieee

Conference_Titel

Circuits and Systems, 2009. ISCAS 2009. IEEE International Symposium on

Conference_Location

Taipei

Print_ISBN

978-1-4244-3827-3

Electronic_ISBN

978-1-4244-3828-0

Type

conf

DOI

10.1109/ISCAS.2009.5117771

Filename

5117771