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Devices, systems and/or methods of equalizing received wireless communication signals

A wireless communication and signal technology, applied in the shaping network, equalizer, transmission system and other directions in the transmitter/receiver, can solve the complex problems of DFE

Inactive Publication Date: 2012-10-17
INTEL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in systems utilizing long impulse response channels, e.g. in digital television (DTV) systems, the DFE may be relatively complex, e.g.

Method used

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  • Devices, systems and/or methods of equalizing received wireless communication signals
  • Devices, systems and/or methods of equalizing received wireless communication signals
  • Devices, systems and/or methods of equalizing received wireless communication signals

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Embodiment Construction

[0025] In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of some embodiments. However, one of ordinary skill in the art would understand that some embodiments may be practiced without these specific details. In other instances, well-known methods, procedures, components, units and / or circuits have not been described in detail so as not to obscure the understanding of the discussion.

[0026] Discussion herein using terms such as "process," "calculate," "operate," "determine," "establish," "analyze," "examine," or the like may refer to a computer, computing platform, computing system, or other electronic computing Operation(s) and / or process(s) of a device that manipulates data represented as physical (e.g., electronic) quantities within the registers and / or memory of a computer and / or transforms them into similar Other data that is physically represented as a physical quantity within registers and / or me...

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Abstract

Some demonstrative embodiments include devices, systems and / or methods of equalizing received wireless communication signals. For example, a device may include a pre-decoding equalizer to determine a plurality of filter weights by applying both a blind-equalization and a least-mean-squares (LMS) equalization to a wireless communication signal received over a wireless communication channel; a channel estimator to estimate a channel frequency response of the channel based on the filtering weights; and a turbo-equalization scheme including a decoder to decode the wireless communication signal and a turbo equalizer to equalize the decoded wireless communication signal using the estimated channel frequency response.

Description

technical field [0001] The present application relates generally to wireless communication systems, and more particularly, to apparatus, systems, and methods for equalizing received wireless communication signals. Background technique [0002] Some wireless communication systems ("non-OFDM systems") may implement communication schemes other than Orthogonal Frequency Division Multiplexing (OFDM), eg, single-carrier communication schemes. [0003] Receivers operating in non-OFDM systems can utilize, for example, a time-domain decision feedback equalizer (DFE) to suppress inter-symbol interference. However, in systems utilizing long impulse response channels, eg in digital television (DTV) systems, the DFE may eg be relatively complex. Contents of the invention [0004] The application provides a device, comprising: [0005] a pre-decoding equalizer for determining a plurality of filter weights by applying blind equalization and least mean square (LMS) equalization to a wir...

Claims

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Application Information

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IPC IPC(8): H04L25/03H04L25/02
CPCH04L2025/03707H04L25/03171H04L25/0238H04L25/025H04L25/03159H04L25/022H04B7/005H04L27/01
Inventor E·V·普斯托瓦洛夫E·A·巴金G·S·埃夫塞夫A·M·特利科夫
Owner INTEL CORP
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