Journal ArticleDOI
Transmission techniques for digital terrestrial TV broadcasting
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TLDR
The authors discuss the potential of OFDM signaling, with its limitations and inherent problems, as well as another potential technique that has so far been overlooked: single-carrier transmission with frequency- domain equalization, and introduces coded-OFDM (COFDM), which makes use of channel coding and frequency-domain interleaving.Abstract:
The authors discuss the potential of OFDM signaling, with its limitations and inherent problems, as well as another potential technique that has so far been overlooked: single-carrier transmission with frequency-domain equalization. The carrier synchronisation issue is dealt with before the authors introduce coded-OFDM (COFDM), which makes use of channel coding and frequency-domain interleaving. >read more
Citations
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Network Planning of Single Frequency Broadcasting Networks
TL;DR: It is shown that for wide area (national) applications it is possible to use the existing FM infrastructure, provided that a large guard interval is employed to reduce the self-interference, and that an exact uniform spacing of the transmitters is not necessary.
Proceedings ArticleDOI
Superimposed training on redundant precoding for low-complexity recovery of block transmissions
TL;DR: Three redundant precoders with cyclic prefix (CP) along with superimposed training sequence are optimally designed to enable least squares estimation of time-varying FIR channels and symbol recovery regardless of the underlying FIR frequency-selective multipath channel.
Dissertation
Light scattering and roughness properties of optical components for 13.5 nm
TL;DR: In this article, an untersuchung der Rauheits-and Streulichteigenschaften von Mo/Si Mehrschichtsystems is presented, der nachste geplante Lithographiewellenlange 13,5 nm.
Journal ArticleDOI
Interference Cancellation in CDMA Systems Employing Complementary Codes Under Rician Fading Channels
D. Judson,Vidhyacharan Bhaskar +1 more
TL;DR: Theoretical study and extensive simulations were conducted to verify the effectiveness of proposed successive interference cancellation (SIC) under frequency selective Rician fading channels in achieving frequency diversity gain, close to theoretical lower bound in complementary coded CDMA (CC-CDMA) systems.
Proceedings ArticleDOI
Development of a novel SDM-COFDM prototype for broadband wireless access systems
TL;DR: Experimental results show that the prototype with 2/spl times/2 antennas achieves double the transmission bit rate without expanding the occupied frequency bandwidth, while achieving SISO (single-input single-output) transmission quality in fading environments.
References
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Journal ArticleDOI
Multicarrier modulation for data transmission: an idea whose time has come
TL;DR: The general technique of parallel transmission on many carriers, called multicarrier modulation (MCM), is explained, and the performance that can be achieved on an undistorted channel and algorithms for achieving that performance are discussed.
Journal ArticleDOI
Analysis and Simulation of a Digital Mobile Channel Using Orthogonal Frequency Division Multiplexing
TL;DR: The analysis and simulation of a technique for combating the effects of multipath propagation and cochannel interference on a narrow-band digital mobile channel using the discrete Fourier transform to orthogonally frequency multiplex many narrow subchannels, each signaling at a very low rate, into one high-rate channel is discussed.
Journal ArticleDOI
Data Transmission by Frequency-Division Multiplexing Using the Discrete Fourier Transform
Stephen B. Weinstein,P. Ebert +1 more
TL;DR: The Fourier transform data communication system is described and the effects of linear channel distortion are investigated and a differential phase modulation scheme is presented that obviates any equalization.
Journal ArticleDOI
Frequency-Independent and Frequency-Dependent Nonlinear Models of TWT Amplifiers
TL;DR: A frequencydependent quadrature model is proposed whose parameters are obtainable from single-tone measurements and is shown to fit measured data very well.
Journal ArticleDOI
Performance of an Efficient Parallel Data Transmission System
TL;DR: A parallel quadrature AM data transmission system with a number of overlapping channels, each carrying a signaling rateb, spacedb/2apart in frequency appears to be a promising technique for achieving good performance at high information rates over bandlimited dispersive transmission media.