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Processing of a faster-than-nyquist signaling reception signal

A technology for receiving signals and receivers, which is applied in the field of computer programs and computer program products, and can solve problems such as mass storage

Active Publication Date: 2017-12-05
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, known mechanisms for decoding FTN signaling require a large amount of storage; to account for ISI of length n (i.e., ISI affecting n transmitted symbols), O(n 2 ) matrix elements

Method used

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  • Processing of a faster-than-nyquist signaling reception signal
  • Processing of a faster-than-nyquist signaling reception signal
  • Processing of a faster-than-nyquist signaling reception signal

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Embodiment Construction

[0027] The inventive concepts will now be described more fully hereinafter with reference to the accompanying drawings, in which specific embodiments of the invention are shown. However, inventive concepts may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are given by way of example so that this disclosure will be thorough and complete, and will fully convey the scope of the inventive concept to those skilled in the art. Throughout the specification, like symbols refer to like elements. Any steps or features shown by dashed lines should be considered optional.

[0028] figure 1 is a schematic diagram showing the communication network 10 . The communication network 10 comprises a transmitter 21 and a receiver 23 separated by a transmission channel 22 . The transmitter 21 and / or the receiver 23 may be part of a network node or a wireless device. As disclosed herein, a network node ma...

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Abstract

There is provided mechanisms for processing a reception signal r. The method is performed by a receiver. The method comprises receiving a reception signal r representing a sequence of input symbols x n , the reception signal comprising a sequence of pulse forms gT selected from a set of pulse forms. The method comprises generating a set of decoded symbols Formula (I) from the reception symbols by subjecting a set of sampled symbols y n derived from the reception signal to a whitening filter defined by second coefficients K, and to an equalizer defined by first coefficients R. The first coefficients R and the second coefficients K are selected from respective matrices of a Toeplitz decomposition of a Gram matrix G defined by the inner product of all pulses in the set of pulse forms.

Description

technical field [0001] Embodiments presented herein relate to processing received signals and in particular to methods, receivers, computer programs and computer program products for processing received signals. Background technique [0002] In a communication network, it is challenging to achieve good performance and capacity for a given communication protocol, its parameters and the physical environment in which the communication network is deployed. [0003] For example, one parameter in providing good performance and capacity for a given communication protocol in a communication network is bandwidth. Bandwidth limits the information rate of a communication system and is a limited resource, so it should be used efficiently. For this reason, faster-than-Nyquist (FTN) signaling has attracted interest, as it can be achieved by performing spectral compression or by sending shaped pulses to achieve higher data rates (compared to schemes that do not use FTN signaling) without...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L25/03H04L25/497
CPCH04L25/03146H04L25/03834H04L25/497H04B7/0456H04L25/03006
Inventor 埃米尔·林阿瑟·加塔米
Owner TELEFON AB LM ERICSSON (PUBL)