Implementation of Data Compression Techniques in Mobile Ad hoc Networks

Ruxanayasmin, B.; Krishna, B. Ananda; Subhashini, T.

doi:10.5120/13879-1764

Cited by 7 publications

(5 citation statements)

References 4 publications

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“…Innovations like offline digital libraries and offline learning management systems have facilitated the dissemination of educational resources while overcoming the challenges of limited bandwidth. Additionally, optimization solutions such as Mobile Data Compression Techniques (Ruxanayasmin et al, 2013) or Offline Learning Platforms (Ngom et al, 2012) have been instrumental in delivering education to areas with minimal internet access. These low-bandwidth learning solutions showcase the resilience of education in the face of connectivity constraints, enabling learners to acquire knowledge and skills irrespective of their digital limitations.…”

Section: Low-bandwidth Learningmentioning

confidence: 99%

How to Maintain Education During Wars? An Integrative Approach to Ensure the Right to Education

Salha,

Tlili,

Shehata

et al. 2024

Open Praxis

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It is widely acknowledged that the relationship between education, security, and stability is bidirectional. In times of war, access to quality education becomes compromised, and conversely, the absence of proper education constrains individuals to a life under constant threat, disrupting education provision. War, viewed as a "lifetime and life-wide status," evolves into a self-fulfilling prophecy, both at an individual and collective level, making it challenging to break free from, particularly within the broader context of education provision. Although, scant information exists about how education is maintained during wars, hindering the right to education in such contexts. This study therefore addresses this gap by synthesizing the literature to identify and present 14 educational scenarios and teaching strategies on how education was maintained from different war contexts over time. The findings reveal that education during wars can be digital-based (i.e., facilitated by technology) and non-digital based (without technology). Additionally, various teaching strategies are applied during wars, including inspirational, hands-on and practical, fun-based, among others. Finally, teaching during wars is not limited to teachers only, but it could also involve parents, neighbors, etc. The findings of the literature can help to ensure the right to education in crises like wars and reveal the importance of open education in such crises. They can also contribute to enriching the ongoing theoretical and practical debate on how to maintain education in crises like wars. This can help to better be prepared for future education in crises, which is the focus of several international organizations.

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Section: Low-bandwidth Learningmentioning

confidence: 99%

How to Maintain Education During Wars? An Integrative Approach to Ensure the Right to Education

Salha,

Tlili,

Shehata

et al. 2024

Open Praxis

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“…Another study performed by Ruxanayasmin et al 37 introduces the data reduction for mobile ad‐hoc network (MANET). The authors in their work implemented LZW codding method to transmit the data by consuming low power to maximize the lifetime of communication network.…”

Section: Introductionmentioning

confidence: 99%

Data reduction and recovery in wireless communication system: An extensive experimental evaluation using PSK and QAM modulations

Panem

Vetrekar

Gad

2022

Int J Communication

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Summary The evolution of technologies in data communication system has resulted in generation of large data. With the availability of limited bandwidth and to maintain the energy efficiency of the wireless communication system, data reduction plays a significant amount of role in preserving the lifetime of wireless communication system. Considering the significance of this problem in wireless communication system, in this work, we present data reduction and recovery or reconstruction on multivariate data using principal component analysis (PCA). In general, we send the eigen coefficients from the source and use these coefficients at the destination to recover or reconstruct the original data back in wireless communication system. We employ in our work two different digital modulation techniques such as phase‐shift keying (PSK) and quadrature amplitude modulation (QAM) with seven different bit rate to demonstrate our approach. We carry the experiments independently using five different signal ensemble and four different multiple‐input, multiple‐output (MIMO) configuration along with Rayleigh fading. This work presents an extensive simulated benchmark results based on performance matrix such as root mean square error (RMSE) and bit error rate (BER) at different values of signal‐to‐noise ratio (SNR). We further validate our approach by presenting synthesis of our proposed model using Xilinx target device Virtex‐6 LX240T Field Programmable Gate Array (FPGA). The experimental results reported based on simulation, synthesis, and validation of model demonstrate the applicability of our proposed approach in real‐time scenario.

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“…To make WSN power efficient, different solutions have been proposed by many authors and some of them are listed below. [1]. Lempel-Ziv-Welch (LZW) compression algorithm is fast, simple to apply and works best for files containing lots of repetitive data.…”

Section: Introductionmentioning

confidence: 99%

Implementation of Modified Huffman Coding in Wireless Sensor Networks

Malleswari¹,

Krishna²,

Madhuri³

et al. 2017

IJCA

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WSNs are composed of many autonomous devices using sensors that are capable of interacting, processing information, and communicating wirelessly with their neighbors. Though there are many constraints in design of WSNs, the main limitation is the energy consumption. For most applications, the WSN is inaccessible or it is unfeasible to replace the batteries of the sensor nodes makes the network power inefficient. Because of this, the lifetime of the network which has maximum operational time is also reduces. To make the network power efficient, different power saving/reduction algorithms are proposed by different authors. Some of the authors have achieved the low power consumption by modifying like encryption & decryption algorithms, Routing algorithms, Energy Efficient Algorithms, Compression and decompression algorithms, minimizing control packets, and many other different power reduction algorithms. Among many algorithms, we have chosen data compression techniques aiming different targets like memory, power & bandwidth reduction. To achieve our objectives, we have worked on Huffman coding -compression algorithm and updated the algorithm by including one's complement, XOR operations and finally named as Modified Huffman Coding. The performance of the proposed model is analyzed and it is observed that, information is maximum compressed which consumes less computational power, thereby increasing the battery life.

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Implementation of Data Compression Techniques in Mobile Ad hoc Networks

Cited by 7 publications

References 4 publications

How to Maintain Education During Wars? An Integrative Approach to Ensure the Right to Education

How to Maintain Education During Wars? An Integrative Approach to Ensure the Right to Education

Data reduction and recovery in wireless communication system: An extensive experimental evaluation using PSK and QAM modulations

Implementation of Modified Huffman Coding in Wireless Sensor Networks

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