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Non-orthogonal Multiple Access in a Downlink Multiuser Beamforming System
TLDR
We propose a non-orthogonal multiple access-based multiuser beamforming (NOMA-BF) system designed to enhance the sum capacity. Expand
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Robust voice activity detection algorithm for estimating noise spectrum
A new voice activity detection (VAD) algorithm is proposed for estimating the spectrum of car noise in which noise is filtered out in the frequency domain. The proposed algorithm uses the log energyExpand
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Integrated echo and noise canceler for hands-free applications
TLDR
An integrated acoustic echo and noise canceler is proposed for hands-free telephony applications. Expand
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An efficient antenna shuffling scheme for a DSTTD system
TLDR
A new antenna shuffling scheme for DSTTD (double space time transmit diversity) is proposed. Expand
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Adaptive Microphone Array System with Two-Stage Adaptation Mode Controller
TLDR
An adaptive microphone array system with a two-stage adaptation mode controller (AMC) is proposed for high-quality speech acquisition in real environments. Expand
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A Dynamic Cell Clustering Algorithm for Maximization of Coordination Gain in Uplink Coordinated System
TLDR
We propose a dynamic clustering algorithm for maximizing a coordination gain in the uplink coordinated system that improves the average user rate and the 5% edge user rate. Expand
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An adaptive modulation algorithm for performance improvement of MIMO ML systems
TLDR
In this letter, we propose a simplified adaptive modulation algorithm for a multiple input multiple output (MIMO) system with maximum likelihood (ML) receiver to minimize BER under a fixed data rate. Expand
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Optimizing feature extraction for speech recognition
TLDR
We propose a method to minimize the loss of information during the feature extraction stage in speech recognition by optimizing the parameters of the mel-cepstrum transformation, a transform which is widely used inspeech recognition. Expand
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Speaker dependent emotion recognition using speech signals
TLDR
This paper examines three algorithms to recognize speaker’s emotion using the speech signals. Expand
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