Abstract
This article discusses the use of the principles of network coding in wireless networks to increase the overall robustness of the transmission. Path diversity on the packet level is investigated as a software alternative to classical diversity techniques commonly used to improve wireless devices communication. The article describes the initial stage of the research of network coding in elementary form with network traffic duplication. Objects of investigation are two different types of transmission in two scenarios, where the resulting transmission loss is evaluated with dependency on the packet length.
Highlights
Optimization of wireless networks is a very broad field; our work is focused on the optimization within the meaning of ensuring the desired balance between the network throughput, delay and packet loss size
Different type of articles focused on the network optimization covers new routing methods, such as dispersity routing
The first scheme is based on load balancing of sent data into two separate channels
Summary
Optimization of wireless networks is a very broad field; our work is focused on the optimization within the meaning of ensuring the desired balance between the network throughput, delay and packet loss size. There are situations when maximal throughput and minimal delay are required (e.g. voice services), there are situations when every single packet is important and must be delivered to its destination (e.g. file transfer). Various packet loss probabilities in separate channels, resulting from the usage of more or less robust modulation techniques, are an integral part of the design of two individual schemes. This article compares these two different transmission schemes with respect to probability of packet loss
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