Design and Analysis for Reliable Broadcast Transmission in Energy Harvesting Networks
Date Issued
2012
Date
2012
Author(s)
Kuan, Ching-Chun
Abstract
In this paper, we study the reliable broadcast transmission in energy harvesting networks. It is assumed that the base station has some broadcast data to multiple energy harvesting devices. The transmission errors may occur by noise or other impairments during transmission. The technique of forward error correction (FEC) is widely used for controlling errors. In additional to transmission error, the other main challenge posed to a reliable transmission in energy harvesting networks: energy deficiency. It refers that the energy harvesting node cannot work when its battery is exhausted. To deal with this problem, we propose the energy-aware receiving scheme and early-termination scheme. Combining the above issues, we take both transmission error and energy deficiency into account and propose system design and the theoretical analysis for reliable broadcast transmissions. We also investigate the trade-off between reliability and throughput in different broadcast period. For different requirements, we propose the reliability-first policy, throughput-first policy and eclectic policy to determine the broadcast period. The simulation results are in line with the theoretical values. It also indicates that proposed schemes can dramatically improve the performance of broadcast transmission.
Subjects
energy harvesting
reliable broadcast
erasure coding
Type
thesis
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