Evaluation Performance of Protocols LEACH, 802.15.4 and CBRP, Using Analysis of QoS in WSNs

Syyed Javad Mohammadi Baygi, Mehran Mokhtari
2014 Wireless Sensor Network  
Standards can define the performance and required protocols in different types of nodes in Wireless Sensor Networks (WSNs). In this article we discuss the Quality of Service (QoS) requirements in WSNs and present a survey of some of the QoS multi-parameters metrics in WSNs. Also, it gives the performance of 802.15.4, LEACH, and CBRP protocol considering parameters. The simulation tests were carried out by the simulator NS 2.29; it showed that the performance of 802.15.4 protocol is better than
more » ... he LEACH. The results have shown that the 802.15.4 standard protocol provides better quality of outperformed service requirements than LEACH protocol. So its performance in WSNs is more effective than LEACH protocol. CBRP protocol simulators NS 2.34, reduce traffics and congestion packet. Finally, the algorithm CBRP offers optimal performance with reduced overhead and delay with respect to the other two protocols. Plus, the strengths and weaknesses of the protocols are specified in relation to the provision of quality of service. It should take effective action to address them. Keywords 802.15.4, LEACH, CBRP, QoS, WSN S. J. Mohammadi Baygi, M. Mokhtari 222 where they are located. They send the collected data to the sink nodes [2] . Quality of Service (QoS) in WSNs is very different from that in traditional networks [3] . QoS (acceptable delay limit, packet loss, etc.) is important depending on the application. Therefore, it is important to pay attention to these standards for the design and selection of clustering method. For example, RFC 2386 considers the QoS as a set of service requirements [4] . They should be considered when delivering a packet from source to the destination. In this scenario, the service quality is defined as: The internet is guaranteed to provide a set of properties of appropriate services for users, or end-to-end applications based on the delay, jitter, bandwidth and packet loss. There are two approaches to service quality that can be shown by a simple model [5] [6] . These models are shown in Figure 1 . QoS parameters of WSNs may have different types, which depend on network application. Some of the parameters are used to evaluate the quality of the service such as: the whole network covering, the optimal number of active nodes in the network, the accuracy of the observation (measurement accuracy of the sensor), the accuracy of the data transfer, data transfer in the shortest possible time, reliability, network lifetime and energy consumption in the networks. The main purpose of this article is to compare the performance of three protocols (802.15.4, LEACH, and CBRP) in WSNs. Simulation and implementation have been done on the three protocols in NS 2.29 and NS 2.34 simulator under Linux. A number of scenarios are designed. The results are compared with each other, and are analyzed. The QoS parameters are compared with each other. Then, the performances of the protocol 802.15.4, LEACH and CBRP are evaluated in the network topology. Also, in this stage, strengths and weaknesses of protocols are identified, and we can take the necessary action to resolve them. Then, in Section 2, 802.15.4 protocol is reviewed; in Section 3, LEACH protocol, in Section 4, CBRP protocol, in Section 5, the related work, in Section 6, existing requirements & challenges for QoS in WSNs, in Section 7, simulation setup and performance metrics analysis, in Section 8, result and discussion, in Section 9, comparison of performance evaluation 802.15.4 and LEACH with CBRP, in Section 10 conclusion, are presented. Overview of IEEE 802.15.4 Protocol IEEE 802.15.4 is the emerging next generation standard designed for low-rate wireless personal area networks (LR-WPAN) [7] . IEEE 802.15.4 protocol is a standard for low rate-wireless personal area network (LR-WPAN). It consists of low cost, less complex, low energy consumption, star topology, and also peer-to-peer is another particular things of this standard [8] . Physical layer of this standard is 868/915 MH, or almost 2.4 GH. MAC layer uses from CSMA-CA mechanism. It is also designed, for WSNs applications that need low range communication with maximum battery life time, it allows star topology, and point to point topology to be formed between networks [9] [10] . ZigBee technology are created satisfy market need for its low price with low potential, and low rate for WSNs. This technology is formed based on IEEE 802.15.4 standard. It defines layers of PHY, and MAC to transfer data with low rate in (LR-WPANS) low rate wireless personal area network [9] . IEEE 802.15.4 standard is also known as of wireless personal network with low rate (LR-WPAN). It is wireless communication network with low range, and less complicated, are used for application programs, with limit potential, and it has been designed for fixed necessity, efficiency. On the other hand 802.15.4 standard protocol doesn't privately defind for sensor networks, but it is not the same for WSNs. This standard is part of WPAN family, usually has a 10 meters of Personal Operating Space (POS). The sensor Figure 1. A simplified QoS model redrawn from [6].
doi:10.4236/wsn.2014.610022 fatcat:bgj6axo7c5fwrfole3wbdoiwwy