Researcher:
Akgül, Ferit Ozan

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Master Student

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Ferit Ozan

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Akgül

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Akgül, Ferit Ozan

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2004 - 20074

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Researcher Of Publications: search.filters.isAuthorOfPublication.38007ca1-558b-47e1-8da4-8cd1bb166668

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Now showing 1 - 4 of 4
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    Efficient resource allocation for statistical QOS assurances in HDR based wireless packet data
    (Ieee, 2004) N/A; Department of Electrical and Electronics Engineering; Akgül, Ferit Ozan; Sunay, Mehmet Oğuz; Master Student; Faculty Member; Department of Electrical and Electronics Engineering; Graduate School of Sciences and Engineering; College of Engineering; N/A; N/A
    In this paper we present new scheduling algorithms for the HDR wireless packet data system to provide superior statistical QoS guarantees. Here, instead of QoS assurances we guarantee the percentage of time the QoS requirements are satisfied and develop new scheduling algorithms accordingly. We compare these schedulers with the maximum rate, proportional fair and exponential rules from the literature. We observe that the statistical QoS guarantee is an attractive alternative to the assured QoS for the wireless platform since such strict QoS assurances decrease the wireless system performance significantly.
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    Statistical qos assurances for high speed wireless communication systems
    (Springer-Verlag Berlin, 2006) N/A; Department of Electrical and Electronics Engineering; Akgül, Ferit Ozan; Sunay, Mehmet Oğuz; Master Student; Faculty Member; Department of Electrical and Electronics Engineering; Graduate School of Sciences and Engineering; College of Engineering; N/A; N/A
    In this paper we propose the use of statistical QoS guarantees for transmission over the wireless channel. Here, instead of QoS assurances we propose to guarantee the percentage of time the QoS requirements are satisfied. We present an associated scheduling algorithm for the opportunistic multiple access system. We compare the proposed scheduler with popular schedulers from the literature. We observe that the statistical QoS guarantee is an attractive alternative to the assured QoS for the wireless platform since such strict QoS assurances decrease the wireless system performance significantly.
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    Enhancing 3G high speed wireless data performance through utilization of 3G-WLAN system cooperation: a cross-network, cross-layer approach
    (Springer, 2007) N/A; Department of Electrical and Electronics Engineering; Akgül, Ferit Ozan; Sunay, Mehmet Oğuz; Master Student; Faculty Member; Department of Electrical and Electronics Engineering; Graduate School of Sciences and Engineering; College of Engineering; N/A; N/A
    The third generation (3G) wireless networks and wireless local area networks (WLANs) possess complementary characteristics. Recently, there has been significant interest in providing algorithms and specifications that enable their inter-operability. In this paper we propose a novel cross-network, cross-layer algorithm that jointly performs 3G resource allocation and ad-hoc mode WLAN routing towards effectively increasing the performance of the 3G system. The metrics used in this joint design ensures that multi-user diversity is exploited without causing user starvation in the 3G system and the WLAN assistance does not cause an unfair treatment to any of the mobiles from a battery usage point of view. Furthermore, the design attempts to select the WLAN route so that the assistance does not become a major part of the overall link traffic and the internal WLAN traffic can continue almost without any disturbances.
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    Energy efficient utilization of IEEE 802.11 hot spots in 3G wireless packet data networks
    (Springer-Verlag Berlin, 2006) N/A; N/A; Akgül, Ferit Ozan; Sunay, Mehmet Oğuz; Master Student; Faculty Member; Graduate School of Sciences and Engineering; College of Engineering; N/A; N/A
    The third generation wireless networks and wireless local networks possess complementary characteristics. Recently, there has been significant interest in providing algorithms and specifications that enable their inter-operability. In this paper we propose a novel cross-network, cross-layer algorithm that jointly performs 3G resource allocation and adhoc mode WLAN routing towards effectively increasing the performance of the 3G system. The metrics used in this joint design ensures that multi-user diversity is exploited without causing user starvation in the 3G system and the WLAN assistance does not cause an unfair treatment to any of the mobiles from a battery usage point of view. Furthermore, the design attempts to select the WLAN route so that the assistance does not become a major part of the internal WLAN traffic.