TAILIEUCHUNG - Performance analysis of ARQ mechanism in wimax networks

In this paper attempt has been made to study the effect of implementation of ARQ on the performance of WiMAX network through simulation. Simulation study has been carried out for WiMAX network with and without enabling ARQ. The performance is been compared by considering the performance metrics like throughput, delay and jitter. | ISSN:2249-5789 Shwetha D et al, International Journal of Computer Science & Communication Networks,Vol 1(2), 123-127 PERFORMANCE ANALYSIS OF ARQ MECHANISM IN WiMAX NETWORKS Shwetha D1, Thontadharya H. J2, Subramanya and Devaraju Department of Electronic science Bangalore University Bangalore, Karnataka, India 1 shwethad@, 2thontadharya@, 3subramanyabhat@, 4 devarajujt@ Abstract: WiMAX (Worldwide Interoperability for Microwave Access) is the IEEE standards-based wireless technology, provides Broadband Wireless Access (BWA) for Metropolitan Area Networks (MAN). The Automatic Repeat reQuest (ARQ) mechanism in WiMAX uses a feedback channel for the confirmation of error-free packet delivery or for packet retransmission request. This method can increase network throughput when radio channel condition is worse. In this paper attempt has been made to study the effect of implementation of ARQ on the performance of WiMAX network through simulation. Simulation study has been carried out for WiMAX network with and without enabling ARQ. The performance is been compared by considering the performance metrics like throughput, delay and jitter. Keywords: WiMAX, ARQ, Base station, Subscriber Stations, Simulation. 1. Introduction WiMAX (Worldwide Interoperability for Microwave Access) is the acronym for IEEE standard which defines Air Interface for fixed and mobile Broadband Wireless Access (BWA) Systems [1-2]. The IEEE standard includes MAC and PHY layer specifications and it is designed to achieve goals like easy deployment, high speed data rate, large spanning area and large frequency spectrum. The standard was developed to support mobile BWA with requirements to support the wireless communication at vehicular mobility and seamless handover while maintaining differentiated Quality of Service (QoS). QoS in standard is supported by allocating each connection between the .

• Quản trị mạng
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• Performance analysis of ARQ mechanism in wimax networks
• Performance analysis of ARQ mechanism
• Metrics like throughput
• Delay and jitter
• International journal of computer science & communication networks
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