Sciweavers

VTC
2006
IEEE
104views Communications» more  VTC 2006»
14 years 6 months ago
Transmit Beamforming for Frequency-Selective Channels
— In this paper, we propose beamforming schemes for frequency–selective channels with decision–feedback equalization (DFE) at the receiver. We consider both finite impulse r...
Yang-wen Liang, Robert Schober, Wolfgang H. Gersta...
ISCAS
2007
IEEE
90views Hardware» more  ISCAS 2007»
14 years 6 months ago
Synthesis of Wideband Linear-Phase FIR Filters with a Piecewise-Polynomial-Sinusoidal Impulse Response
— A method is presented to synthesize wideband linear-phase FIR filters with a piecewise-polynomial-sinusoidal impulse response. The proposed method is based on merging the earl...
Raija Lehto, Tapio Saramäki, Olli Vainio
ICC
2007
IEEE
117views Communications» more  ICC 2007»
14 years 6 months ago
Radio Channel Modelling Using Stochastic Propagation Graphs
Abstract— In this contribution the radio channel model proposed in [1] is extended to include multiple transmitters and receivers. The propagation environment is modelled using r...
Troels Pedersen, Bernard H. Fleury
ISCAS
2008
IEEE
106views Hardware» more  ISCAS 2008»
14 years 6 months ago
Hilbert transformers with a piecewise-polynomial-sinusoidal impulse response
— Hilbert transformers are one of the very important special classes of finite impulse response (FIR) filters used in signal processing applications. A method is presented to s...
Raija Lehto, Tapio Saramäki, Olli Vainio
ICC
2008
IEEE
116views Communications» more  ICC 2008»
14 years 6 months ago
Pre-Equalization for Pre-Rake MISO DS-UWB Systems
—In this paper, we propose two novel pre–equalization schemes for multiple–input single–output (MISO) direct–sequence ultra–wideband (DS–UWB) systems with pre–Rake ...
Elham Torabi, Jan Mietzner, Robert Schober
ICASSP
2008
IEEE
14 years 6 months ago
An improved mu-law proportionate NLMS algorithm
In this paper, we propose an algorithm to improve the performance of the mu-law PNLMS algorithm (MPNLMS) for nonsparse impulse responses. Although the existing MPNLMS algorithm wa...
Ligang Liu, Masahiro Fukumoto, Sachio Saiki
ICASSP
2008
IEEE
14 years 6 months ago
Approximation and resampling of tapped delay line channel models with guaranteed channel properties
In this paper, we present a novel framework for resampling and complexity reduction of tapped delay line channel models. In contrast to related algorithms in this field, our fram...
Christian Mehlführer, Markus Rupp
GLOBECOM
2008
IEEE
14 years 6 months ago
Intra-Vehicle UWB Channel Measurements and Statistical Analysis
—Ultra-wideband (UWB) technique attracts attention from automotive manufacturers as a potential way to construct intra-vehicle wireless sensor network. This paper reports our pre...
Weihong Niu, Jia Li, Timothy Talty
CISS
2008
IEEE
14 years 6 months ago
Compressed channel sensing
—Reliable wireless communications often requires accurate knowledge of the underlying multipath channel. This typically involves probing of the channel with a known training wave...
Waheed Uz Zaman Bajwa, Jarvis Haupt, Gil M. Raz, R...
ICASSP
2009
IEEE
14 years 7 months ago
Room impulse response shortening with infinity-norm optimization
The purpose of room impulse response (RIR) shortening is to improve the intelligibility of the received signal by prefiltering the source signal before it is played with a loudsp...
Tiemin Mei, Alfred Mertins, Markus Kallinger