Comparison of Lossless Data Compression Techniques

The transmission of humongous data from the monitoring field to the central unit for further processing is a highly challenging task for the hardware, especially when the communication bandwidth is limited. The data overflow in the single-board computer will lead to the loss of valuable data. Since the sampling frequency of our application is fixed and the bandwidth of the communication channel cannot be increased, the only way by which the data overflow and loss can be avoided is by using data compression techniques. Data compression minimizes the size of the data to be stored and communicated, by reducing the size of data file either by using lossless or lossy compression techniques. This research focuses on a comprehensive study of different lossless compression methods by applying data files to each compression method. To estimate the best method of compression for storage and communication based on comparing the compression ratio, compression rate, space-saving, and execution time of existing methods of lossless compression.