Low complexity predistortion and equalization in nonlinear multicarrier satellite communications
نویسندگان
چکیده
منابع مشابه
Pilot-Based Synchronization and Equalization in Filter Bank Multicarrier Communications
This paper presents a detailed analysis of synchronization methods based on scattered pilots for filter bank based multicarrier (FBMC) communications, taking into account the interplay of the synchronization, channel estimation, and equalization methods. We show that by applying pilots designed specifically for filter banks, the carrier frequency offset (CFO), fractional time delay (FTD), and c...
متن کاملData Predistortion for Nonlinear Satellite Channels
Power amplifiers, an integral component to most wireless communication systems, are inherently nonlinear devices that introduce out-of-band spectral regrowth and constellation degradation to the amplifier output. One solution is to operate in a highly backed-off state to achieve quasi-linear performance. Operating in this region requires a higher-saturated power rating for a given output power ...
متن کاملLow Complexity Turbo Equalization for High Data Rate Wireless Communications
Soft interference cancellers (SICs) have been proposed in the literature as a means for reducing the computational complexity of the so-called turbo equalization receiver architecture. Soft-input-soft output (SISO) equalization algorithms based on linear filters have a tremendous complexity advantage over trellis-diagram-based SISO equalizers, especially for high-order modulations and long-dela...
متن کاملNonlinear Channel Equalization in Digital Satellite Systems
A new nonlinear equalizer for digital transmission over a nonlinear satellite channel with a PSK modulation is presented in this paper. The nonlinear channel under consideration is assumed to have a Volterra series representation. By considering the channel equalization as a fixed point problem and taking advantage of the properties of a contraction m a p ping, we show that the transmitted data...
متن کاملTurbo equalization of nonlinear TDMA satellite signals
In this paper, we investigate a coded solution to compensate for the nonlinear distortion of TDMA satellite waveforms. Based on a Volterra-type channel model and the turbo principle, we present a turbo-like system that includes a simple rate-1 encoder at the transmit side in addition to a conventional channel encoder; the receive side iteratively equalizes the nonlinear channel effect and decod...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: EURASIP Journal on Advances in Signal Processing
سال: 2015
ISSN: 1687-6180
DOI: 10.1186/s13634-015-0215-0