scholarly journals Joint Relay Ordering and Linear Finite Field Network Coding for Multiple-Source Multiple-Relay Wireless Sensor Networks

2013 ◽  
Vol 9 (10) ◽  
pp. 729869 ◽  
Author(s):  
Yulun Cheng ◽  
Longxiang Yang
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Finite Field ◽  
Network Coding ◽  
Multiple Source ◽  
Wireless Sensor ◽  
Multiple Relay ◽  
Field Network

scholarly journals Optimal Distributed Detection for Complex Field Network Coding Assisted Wireless Sensor Networks with Nonorthogonal Communications

2016 ◽  
Vol 2016 ◽  
pp. 1-11
Author(s):  
Yulun Cheng ◽  
Longxiang Yang ◽  
Hongbo Zhu
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Power Allocation ◽  
Network Coding ◽  
Wireless Sensor ◽  
Power Coefficient ◽  
Closed Form Expression ◽  
Complex Field ◽  
Complex Field Network Coding ◽  
Field Network

Complex field network coding (CFNC) enables signal transmission and information fusion to be operated over nonorthogonal channels, which essentially improves both the bandwidth efficiency and transmission reliability of the wireless sensor networks (WSNs). This paper investigates the power allocation for the CFNC assisted WSNs. By improving the accuracy of the approximation for Q function, the closed-form expression of the pairwise error probability bound for the considered network is derived, so as to improve the optimization efficiency of the power allocation. On the basis of the expression, the relay power coefficient is optimized under the fixed power constraint. Besides, the impacts of the topology parameters on the power allocation are also analyzed accordingly. Simulations demonstrate that the proposed power allocation outperforms the benchmark in terms of the detection performance. The obtained expression of the power coefficient and insights can provide useful suggestions for the power allocation design of the CFNC assisted WSNs.

CodeDrip: Improving data dissemination for wireless sensor networks with network coding

2017 ◽  
Vol 54 ◽  
pp. 42-52 ◽  
Author(s):  
Nildo dos Santos Ribeiro Júnior ◽  
Rodrigo C. Tavares ◽  
Marcos A.M. Vieira ◽  
Luiz F.M. Vieira ◽  
Omprakash Gnawali
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Network Coding ◽  
Data Dissemination ◽  
Wireless Sensor

scholarly journals An Improved Flooding Routing Protocol for Wireless Sensor Networks Based on Network-Coding

2018 ◽  
Vol 17 ◽  
pp. 02001
Author(s):  
Churan Tang ◽  
Linghua Zhang
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Network Coding ◽  
Routing Protocol ◽  
Network Reliability ◽  
Sensor Nodes ◽  
Wireless Sensor ◽  
Bandwidth Utilization ◽  
Network Utilization ◽  
Save Energy

A central question in wireless sensor network research is how to reduce the consumption of the energy of the sensor nodes. Theoretically, the network coding technology proposed by Ahlswede et al (2000) can improve the network reliability and network throughput, increase the robustness and save energy. Based on the classic flooding routing protocol, the present study proposes a new flooding control protocol, i.e. NC-Flooding for wireless sensor networks. NC-Flooding protocol introduces five mechanisms to enhance the efficiency of wireless sensor networks. As shown by MATLAB simulation results, NC-Flooding protocol reduces the number of broadcasts of wireless sensor networks, increases the throughput of the network and increases the bandwidth utilization. We conclude that NC-Flooding protocol reduces data forwarding cost and node energy consumption and extends nodes’ life cycle, thus increasing network utilization.

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