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[PDF] Top 20 Frequency-domain multiuser detection for CP-assisted DS-CDMA signals

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Frequency-domain multiuser detection for CP-assisted DS-CDMA signals

Frequency-domain multiuser detection for CP-assisted DS-CDMA signals

... To avoid significant noise enhancement, the FDE is usually optimized under the MMSE (Minimum Mean-Squared Error) criterion [10]. Since an MMSE FDE does not perform an ideal channel inversion, when this type of equalizer ... See full document

6

Iterative detection of multicode DS-CDMA signals with strongly nonlinear transmitters

Iterative detection of multicode DS-CDMA signals with strongly nonlinear transmitters

... multicode DS-CDMA systems with iterative estimation and cancelation of nonlinear distortion ...linear frequency-domain equalizer (FDE) was employed before the iterative estimation and ... See full document

6

Multiuser Detection for the Uplink of Prefix-Assisted DS-CDMA Systems Employing Multiple Transmit and Receive Antennas

Multiuser Detection for the Uplink of Prefix-Assisted DS-CDMA Systems Employing Multiple Transmit and Receive Antennas

... with CP-assisted block transmission techniques, allowing a frequency-domain receiver design that have relatively low complexity, even for severely time-dispersive ... See full document

7

A turbo SDMA receiver for strongly nonlinearly distorted MC-CDMA signals

A turbo SDMA receiver for strongly nonlinearly distorted MC-CDMA signals

... MC- CDMA systems (MultiCarrier - Coded Division Multiple Access) where the transmitted signals face strong nonlinear distortion ...a frequency-domain filtering operation, so as to reduce the ... See full document

6

IB-DFE receiver techniques for CP-assisted block transmission within DS-CDMA and MC-CDMA systems

IB-DFE receiver techniques for CP-assisted block transmission within DS-CDMA and MC-CDMA systems

... for CP-assisted SC schemes [8], with both the feedforward and the feedback parts implemented in the frequency domain (a similar concept was also proposed in ...of ... See full document

5

Turbo multiuser detection for MC-CDMA signals with strongly nonlinear transmitters

Turbo multiuser detection for MC-CDMA signals with strongly nonlinear transmitters

... MC-CDMA signals have strong envelope fluctuations and high PMEPR values (Peak-to-Mean Envelope Power Ratio), which lead to ampli- fication ...a frequency-domain filtering so as to reduce the ... See full document

5

An iterative detection technique for DS-CDMA signals with strong nonlinear distortion effects

An iterative detection technique for DS-CDMA signals with strong nonlinear distortion effects

... time- domain with a linear, frequency-domain filtering oper- ation, was recently proposed for reducing the envelope fluctuations (and, inherently, the PMEPR) of DS-CDMA signals, ... See full document

5

An iterative frequency-domain decision feedback receiver for CDMA systems

An iterative frequency-domain decision feedback receiver for CDMA systems

... a DS-CDMA system employing block transmission techniques, with an appropriate cyclic ex- tension appended to each ...for DS-CDMA ...a frequency- domain multiuser ... See full document

5

Turbo equalization with cancellation of nonlinear distortion effects for CP-Assisted and Zero-Padded MC-CDMA signals

Turbo equalization with cancellation of nonlinear distortion effects for CP-Assisted and Zero-Padded MC-CDMA signals

... of CDMA schemes with the advantages of OFDM modulations (Orthogonal Frequency Division ...MC-CDMA signals was proposed in [2], which have asymptotic performances that can be close to the ... See full document

6

Joint multiuser detection and cancelation of nonlinear distortion effects for the uplink of MC-CDMA systems

Joint multiuser detection and cancelation of nonlinear distortion effects for the uplink of MC-CDMA systems

... with frequency-domain ...a frequency-domain filtering proposed in [11] (the power amplifiers are assumed to be linear for the (reduced) dynamic range of the envelope fluctuations of the ... See full document

5

Iterative detection of multicode DS-CDMA signals with strong nonlinear distortion effects

Iterative detection of multicode DS-CDMA signals with strong nonlinear distortion effects

... with frequency- domain filtering was shown to be an effective way of reducing the envelope fluctuations (and, inherently, the PMEPR) of DS- CDMA signals, while maintaining the spectral ... See full document

13

IB-DFE receivers with space diversity for CP-assisted DS-CDMA and MC-CDMA systems

IB-DFE receivers with space diversity for CP-assisted DS-CDMA and MC-CDMA systems

... and DS-CDMA, the FDE coefficients can be optimized under the MMSE criterion (Minimum Mean Squared Error), so as to avoid significant noise ...with CP-assisted DS-CDMA systems and ... See full document

12

Frequency- domain multiuser detection for highly overloaded DS-CDMA systems

Frequency- domain multiuser detection for highly overloaded DS-CDMA systems

... Abstract—A DS-CDMA (Direct Sequence-Coded Division Mul- tiple Access) system has maximum spectral efficiency if the system is fully loaded ...employ signals with bandwidth equal to the chip ...employ ... See full document

5

A frequency-domain receiver for asynchronous systems employing CP-assisted DS-CDMA schemes

A frequency-domain receiver for asynchronous systems employing CP-assisted DS-CDMA schemes

... the DS-CDMA signal associ- ated to each spreading sequence, makes these schemes good candidates for broadband wireless systems, es- pecially at the ... See full document

5

Advances in laboratory geophysics using bender elements

Advances in laboratory geophysics using bender elements

... received signals and estimate how faithfully the bender elements react to the transmitted ...different frequency and shape; particularly after the transmitted signal has ... See full document

382

The Detection, Symbol Period and Chip Width Estimation of DSSS Signals Based on Delay-Multiply, Correlation and Spectrum Analysis

The Detection, Symbol Period and Chip Width Estimation of DSSS Signals Based on Delay-Multiply, Correlation and Spectrum Analysis

... Especially, by contrasting Fig.2 with Fig.1 we can find that, after the operation of FFT, the characteristic of DSSS signal is enhanced, the unexpected noise is restrained, and the information of the chip width is ... See full document

5

Ultrasensitive gold micro-structured electrodes enabling the detection of extra-cellular long-lasting potentials in astrocytes populations

Ultrasensitive gold micro-structured electrodes enabling the detection of extra-cellular long-lasting potentials in astrocytes populations

... the detection of weak and low frequency quasi-periodic signals produced by astrocytes populations that thus far had remained inaccessible using conventional extracellular ...electrodes. ... See full document

11

Receiver design for the uplink of base station cooperation systems employing SC-FDE modulations

Receiver design for the uplink of base station cooperation systems employing SC-FDE modulations

... the signals received by a given BS are digitalized, through appropriate sampling and quantization ...the signals associated with different MTs is per- formed using iterative frequency-domain ... See full document

15

Color Image Compression Based On Wavelet Packet Best Tree

Color Image Compression Based On Wavelet Packet Best Tree

... The wavelet decomposes the image, and generates four different horizontal frequencies and vertical frequencies outputs. These outputs are referred as approximation, horizontal detail, vertical detail, and diagonal ... See full document

5

Algorithms for time series clustering applied to biomedical signals

Algorithms for time series clustering applied to biomedical signals

... the signals sometimes shows the second hit and other times doesn’t, and we are unsure if and when the second hit should be there and not, the worst results we get from the ski hits could be ... See full document

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