Lossless coding scheme for data acquisition under limited communication bandwidth

Y Yuan, Y Zhang, Z Liu, X Guan - Digital Signal Processing, 2017 - Elsevier
Wireless data acquisition system (WDAS) is widely used in many application fields. Due to
the conflict between bandwidth constraint and large amount of real-time data with high …

An energy efficient audio compression scheme using wavelet with dynamic difference detection technique in wireless sensor network

I Dutta, R Banerjee, T Acharya, S DasBit - Proceedings of the …, 2012 - dl.acm.org
The availability of low-cost hardware coupled with the advancement of VLSI (Very Large
Scale Integration) technology has promoted the development of wireless multimedia sensor …

A new hybrid non-uniform coding with low bit rates for sound signal in near field communication

SG Bae, MS Kim, MJ Bae - 2013 International Conference on …, 2013 - ieeexplore.ieee.org
In speech or audio processing, coding may be define as a digital representation of signal
that provides efficient storage, transmission, recovery, and perceptually faithful …

Energy efficient transmission protocol for distributed source coding in sensor networks

Z Tang, IA Glover, AN Evans… - 2007 IEEE International …, 2007 - ieeexplore.ieee.org
Distributed source coding (DSC) has recently been considered as an efficient approach to
data compression in wireless sensor networks (WSN). Using this coding method multiple …

Distributed source-channel coding based on real-field BCH codes

M Vaezi, F Labeau - IEEE Transactions on Signal Processing, 2014 - ieeexplore.ieee.org
We use real-number codes to compress statistically dependent sources and establish a new
framework for distributed lossy source coding in which we compress sources before, rather …

Compression techniques for wireless sensor networks

C Tang, CS Raghavendra - Wireless sensor networks, 2004 - Springer
In wireless sensor network applications, an event is observed by a group of spatially
distributed sensors which collaborate to make decisions. Since there is limited bandwidth in …

An energy efficient adaptive distributed source coding scheme in wireless sensor networks

C Tang, CS Raghavendra… - … , 2003. ICC'03., 2003 - ieeexplore.ieee.org
Sensor networks are used in a variety of applications for event monitoring, environmental
sensing and outer space exploration. An important application is detecting a target in the …

Variable-word-length coding for energy-aware signal transmission

A Kadrolkar, RX Gao, R Yan… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
This paper presents an energy-efficient method for data transmission through improved data
compression. This is achieved by a new signal source coding method based on the Walsh …

SVD and ASCII character encoding-based compression of multiple biosignals for remote healthcare systems

SK Mukhopadhyay, MO Ahmad… - IEEE transactions on …, 2017 - ieeexplore.ieee.org
Advancements in electronics and miniaturized device fabrication technologies have enabled
simultaneous acquisition of multiple biosignals (MBioSigs), but the area of compression of …

Turbo joint source-channel coding of non-uniform memoryless sources in the bandwidth-limited regime

I Ochoa, P Crespo, J Del Ser… - IEEE communications …, 2010 - ieeexplore.ieee.org
This letter proposes a novel one-layer coding/shaping scheme with single-level codes and
sigma-mapping for the bandwidth-limited regime. Specifically, we consider nonuniform …