UWB Impulse Radio Waveform Shaping Techniques for Narrow-Band Interference Rejection

نویسندگان

  • Rasha El-Khamy
  • Shawky Shaaban
  • Ibrahim Ghaleb
  • Hassan Nadir Kheirallah
چکیده

-In ultra-wideband (UWB) impulse radio (IR) technology, it is important that the pulse shape be adjusted such that the power spectral characteristics not only satisfy the standard limits, but also be characterized by deep nulls at the locations of existing narrowband primary users. Cognitive Radio Technology (CR) is presented as a viable solution for UWB systems for narrowband interference suppression. In this paper, we present and compare several ultra-wideband (UWB) impulse radio waveform shaping techniques for narrow-band interference (NBI) rejection. The generated UWB pulses not only meet the Federal Communications Commission (FCC), but also mitigate single and multiple narrow-band interference.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Narrow-Band Interference Suppression in Impulse Radio

Ultra Wide-band (UWB) radio systems have drawn attention during the last few years. These systems use low transmission power, spread over a bandwidth of several gigahertz, which enable them to co-exist with other narrow band systems over the same frequency band without interfering them. Nevertheless, the narrow band systems can cause interference which may jam the UWB receiver completely. This ...

متن کامل

Low Complexity Narrow-band Interference Suppression in Impulse Radio

The low transmission power and very large bandwidth used by Ultra-Wide band (UWB) radio systems ,enables them co-exist with other narrow-band systems over the same frequency band without interfering the narrow-band systems. Nevertheless, the interference caused by these narrow-band systems may jam the UWB receiver. Existing narrow-band interference suppression methods for spread spectrum system...

متن کامل

Generating UWB and Microwave Waveforms Using Silicon Photonics

We provide an overview of techniques for the photonic generation of arbitrary RF waveforms, particularly those suitable for impulse radio or multi-band ultrawideband (UWB)-over-fiber transmission, and chirped microwave waveforms, with an emphasis on microwave photonic filtering and optical spectral shaping followed by wavelength-to-time mapping. We discuss possibilities for integrating the vari...

متن کامل

Tuning UWB signals by pulse shaping: Towards context-aware wireless networks

Tuning spectra by pulse shaping is feasible in both impulse radio (IR) and continuous radio transmissions, since, as well known, the impulse response of the pulse shaper affects the spectral properties of radiated signals. What is peculiar to IRUWB, and makes pulse shaping particularly appealing, is the impulsive nature of the carrier. Given their very short duration, transmitted pulses in diff...

متن کامل

Paper Title (use style: paper title)

Ultra Wideband (UWB) is an attractive technique that enables coexistence with other radio systems using very short pulses and spread spectrum. However there are potential interferences each other if UWB and other radio system are used same frequency band at close range. This paper discusses interference detection and mitigation techniques for pulse based UWB (p-UWB). A multi-carrier template wa...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2013