MLSE based detection for GFSK signals with arbitrary modulation index

Speth, M.; Madden, Muhummad; Hammes, M.; Neubauer, André

doi:10.1109/izs.2004.1287431

Cited by 2 publications

(3 citation statements)

References 4 publications

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“…The range for h allowed by the DECT standard is 0.35 to 0.7. The value of Bluetooth varies from 0.28 to 0.35 [9].…”

Section: Gfsk Modulationmentioning

confidence: 99%

Performance analysis of GFSK modulation over AWGN channel

Zhang

2024

ACE

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This paper analyses the performance of Gaussian Frequency Shift Keying (GFSK) modulation in Additive White Gaussian Noise (AWGN) channels. Using MATLAB 2022b for simulations, the study explores GFSK modulation principles, the role of Gaussian low-pass filters, the characteristics reflected by Power Spectral Density (PSD), and the influence of Bit Time-Bandwidth Product (BT) on Bit Error Rate (BER). It has been observed that the Gaussian filter restricts sidelobe amplitudes and enhances spectral efficiency. Through varying BT values, it is observed that higher BT values correlate with lower BER. Additionally, the study successfully reconstructs original baseband signals through sampling decisions, confirming GFSK modulation effectiveness.

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“…The range for h allowed by the DECT standard is 0.35 to 0.7. The value of Bluetooth varies from 0.28 to 0.35 [9].…”

Section: Gfsk Modulationmentioning

confidence: 99%

Performance analysis of GFSK modulation over AWGN channel

Zhang

2024

ACE

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“…Ns for all states. Update backward-accumulated metric β n according to (11) IV. SIMULATIONS This section provides numerical results to analyze the performance of the proposed iterative BIC-CPM demodulation algorithm on an AWGN channel.…”

Section: Proposed Receivermentioning

confidence: 99%

“…Recently, the per survivor processing (PSP) [9] has been applied in [10] to soft-in softout (SISO) CPFSK detection with an irrational modulation index. The low cost of the CPM transmitters could lead to an irrational modulation index rather than the desired rational one or a rational modulation index with large denominator [11] which involves a high receiver complexity.…”

Section: Introductionmentioning

confidence: 99%

A low complexity iterative soft detection for bit interleaved coded CPM

Messai¹,

Amis²,

Guilloud³

2014

2014 8th International Symposium on Turbo Codes and Iterative Information Processing (ISTC)

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In this paper, we propose a low-complexity iterative soft detection algorithm for a bit interleaved coded continuous phase modulation (CPM). The reduction of complexity is obtained by using a modulation index at the receiver side which is different from the one used at the transmitter side. This difference is balanced thanks to a soft-input soft-output (SISO) coherent CPM demodulator based on the per survivor processing (PSP) technique. Compared to the state of the art, the error rate performance is improved. We also show that our algorithm converges close to the coherent maximum a posteriori (MAP) algorithm, with a few additional iterations.

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MLSE based detection for GFSK signals with arbitrary modulation index

Cited by 2 publications

References 4 publications

Performance analysis of GFSK modulation over AWGN channel

Performance analysis of GFSK modulation over AWGN channel

A low complexity iterative soft detection for bit interleaved coded CPM

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