This paper investigates the Multi-band OFDM (MB-OFDM) based physical (PHY) layer proposal for IEEE 802.15.3a working group on short-range high data-rate Ultra-wide-Band (UWB) communications. An overview of the MB-OFDM PHY layer architecture with its various parameters is presented and the optimal choice of critical parameters is discussed. Next, we derive the theoretical uncoded bit error rate ...

This paper proposed a planar microstrip ultra wideband (UWB) bandpass filter (BPF) with wide upper stopband designed for applications in UWB wireless communication as stated by Federal Communications Commission (FCC). The proposed UWB filter is realized with a basic multiple mode resonator (MMR) structure feed by interdigital coupled lines for achieving higher degree of coupling. To achieve a w...

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...

The application of ultra-wideband (UWB) technology to low-cost short-range communications presents unique challenges to the communications engineer. The impact of the US FCC’s regulations and the characteristics of the low-power UWB propagation channels are explored, and their effects on UWB hardware design are illustrated. This tutorial introduction includes references to more detailed explora...

Ultra-wideband (UWB) communications systems provide extremely high data rates while using low transmit power relative to narrowband systems. Recent research concludes that such systems have characteristics that make them appropriate for highspeed wireless network applications. One of the distinguishing aspects of the UWB signal is an extremely high fractional bandwidth when compared with conven...

Recently, ultra-wideband (UWB) technology based on the transmission of short duration pulses has gained much interest for its application to wireless communications. UWB small scale channel modeling work, including statistical characterization and potential models, are discussed. The significance, in terms of performance, of the channel impulse response model chosen for the simulation of UWB co...

Ultra-Wideband1 (UWB) is a radio transmission scheme that uses extremely low power pulses of radio energy spread across a wide spectrum of frequencies. UWB has several advantages over conventional continuous wave radio communications including potential support for high data rates, robustness to multipath interference and fading. We present an overview of UWB technology and its use in data comm...

CMOS Integrated Circuit Design for Ultra-Wideband Transmitters and Receivers. (August 2009) Rui Xu, B.S. , Southeast University, China; M.S., Southeast University, China Chair of Advisory Committee: Dr. Cam Nguyen Ultra-wideband technology (UWB) has received tremendous attention since the FCC license release in 2002, which expedited the research and development of UWB technologies on consumer p...

In Antenna Technology, Electromagnetic Band Gap (EBG) structures are one of the mostly used to improve gain antenna, suppress surface waves and band notching. UWB frequency spectrum more number small bands exists these cause electromagnetic interference, reject such EBG required. Due limited monopole antenna's ground plane, it is required have with in size single two or bands. The simulated res...

UltraWideband (UWB) systems use Multi-Band OFDM (MB-OFDM) techniques for transmission. UWB based systems are power limited by the regulation of Federal Communications Commission (FCC). CP introduces correlation in the transmitted data sequence and hence introduces ripples in the power spectral density (PSD) of the transmitted data. This in turn reduces the range of data transmission. The overla...