Energy efficiency of mobile peer-to-peer network based on channel condition and bandwidth

Abstract

Mobile peer-to-peer (P2P) network is a simple computing network in which some of the mobile devices are communicated with peer-to-peer mode through access point. Energy efficiency in mobile P2P is improved by increasing the number of active nodes on the network and reducing the consumed energy by the number of idle nodes. However, if a lot of the number of active nodes perform the transmission process, it can cause interference between stations which could decrease the network performance. Therefore, this paper evaluates the effect of channel condition and bandwidth on mobile P2P networks towards energy efficiency. This can be done by analyzing the relationship between the parameter of channel conditions such as channel quality and network energy consumption. Another parameter that affects the energy efficiency is the availability of bandwidth in the network, which can be obtained by using different modulation types that are BPSK and QPSK. To evaluate the parameters, a model for P2P network is introduced into three different scenarios of information transmission processes. Numerical simulation has carried out using Matlab programming. Simulation results show that energy efficiency is inversely proportional to the quality of the channel, where the high channel quality has small energy efficiency in the network. In addition, QPSK modulation could provide a significant improvement on the energy efficiency for mobile P2P network compared with BPSK modulation.