Journal ArticleDOI
Frequency domain equalization for single-carrier broadband wireless systems
TLDR
This article surveys frequency domain equalization (FDE) applied to single-carrier (SC) modulation solutions and discusses similarities and differences of SC and OFDM systems and coexistence possibilities, and presents examples of SC-FDE performance capabilities.Abstract:
Broadband wireless access systems deployed in residential and business environments are likely to face hostile radio propagation environments, with multipath delay spread extending over tens or hundreds of bit intervals. Orthogonal frequency-division multiplex (OFDM) is a recognized multicarrier solution to combat the effects of such multipath conditions. This article surveys frequency domain equalization (FDE) applied to single-carrier (SC) modulation solutions. SC radio modems with frequency domain equalization have similar performance, efficiency, and low signal processing complexity advantages as OFDM, and in addition are less sensitive than OFDM to RF impairments such as power amplifier nonlinearities. We discuss similarities and differences of SC and OFDM systems and coexistence possibilities, and present examples of SC-FDE performance capabilities.read more
Citations
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Journal ArticleDOI
Frequency-Domain Eigenbeam-SDM and Equalization for Single-Carrier Transmissions
TL;DR: The transmit power allocation and adaptive modulation based on the equivalent channel gains after performing FDE are applied and the BER performance of the frequency-domain SC E-SDM in a severe frequency-selective Rayleigh fading channel is evaluated by computer simulation.
Proceedings ArticleDOI
Computationally efficient 2-step QRM-MLD for single-carrier transmissions
TL;DR: This paper proposes a computationally efficient 2-step QRM-MLD SC-FDBD that can significantly improve the bit error rate (BER) performance of SC transmission while reducing significantly the computational complexity compared to the MLD.
Journal ArticleDOI
PAPR Advantage of Amplitude Clipped OFDM/TDM
Haris Gacanin,Fumiyuki Adachi +1 more
TL;DR: It is shown that amplitude clipped OFDM/TDM has an advantage over clipped OfDM with respect to the PAPR.
Proceedings ArticleDOI
Frequency Domain Turbo Equalization for Vestigial Sideband Modulation with Punctured Trellis Coding
TL;DR: In this article, a frequency domain turbo equalization (FDTE) scheme was proposed for the reception of transmissions that employ vestigial sideband modulation and punctured trellis coding.
Journal ArticleDOI
Joint Blind Adaptive Carrier Frequency Offset Estimation and Channel Shortening
TL;DR: This paper investigates a blind, adaptive method for jointly performing CFO estimation and channel shortening and finds it to be feasible and effective.
References
More filters
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TL;DR: In this paper, the authors propose a recursive least square adaptive filter (RLF) based on the Kalman filter, which is used as the unifying base for RLS Filters.
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
BER sensitivity of OFDM systems to carrier frequency offset and Wiener phase noise
TL;DR: In this contribution the transmission of M-PSK and M-QAM modulated orthogonal frequency division multiplexed (OFDM) signals over an additive white Gaussian noise (AWGN) channel is considered and the degradation of the bit error rate is evaluated.
Journal ArticleDOI
Polyphase codes with good periodic correlation properties (Corresp.)
TL;DR: This correspondence describes the construction of complex codes of the form exp i \alpha_k whose discrete circular autocorrelations are zero for all nonzero lags.