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E-CLEMA: A cross-layer design for improved quality of service in mobile WiMAX networks

Triantafyllopoulou, D, Passas, N, Merakos, L, Sagias, NC and Mathiopouios, RT (2009) E-CLEMA: A cross-layer design for improved quality of service in mobile WiMAX networks WIRELESS COMMUNICATIONS & MOBILE COMPUTING, 9 (9). pp. 1274-1286.

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In this paper, an efficient cross-layer design that performs joint adaptation of the physical (PHY) and application layers of a mobile WiMAX network is proposed. The design takes into account channel state and performance information from the PHY and medium access control (MAC) layers, respectively. It uses a decision algorithm to evaluate this information, specify unfavorable conditions regarding low channel quality and increased congestion, and take measures by coordinating modulation order, transmission power, and media encoding rate, toward improved overall quality of service (QoS) offered to the user. Extensive simulation results show that the proposed design achieves considerably reduced packet loss and power consumption, combined with increased throughput as compared to a typical mobile WiMAX system.

Item Type: Article
Divisions : Surrey research (other units)
Authors :
Passas, N
Merakos, L
Sagias, NC
Mathiopouios, RT
Date : 1 September 2009
DOI : 10.1002/wcm.699
Uncontrolled Keywords : Science & Technology, Technology, Computer Science, Information Systems, Engineering, Electrical & Electronic, Telecommunications, Computer Science, Engineering, COMPUTER SCIENCE, INFORMATION SYSTEMS, ENGINEERING, ELECTRICAL & ELECTRONIC, TELECOMMUNICATIONS, adaptive modulation, cross-layer design, IEEE 802.16e, multi-rate applications, OFDMA, power control
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:07
Last Modified : 24 Jan 2020 21:44

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