Search Results - "Staehle, D."

Performance analysis of CSMA/CA protocols with multi-packet transmission by Bellalta, B., Faridi, A., Staehle, D., Barcelo, J., Vinel, A., Oliver, M.

“…Wireless objects equipped with multiple antennas are able to simultaneously transmit multiple packets by exploiting the channel’s spatial dimensions. In this…”
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Capacity analysis of reservation-based random access for broadband wireless access networks by Vinel, A., Qiang Ni, Staehle, D., Turlikov, A.

“…In this paper we propose a novel model for the capacity analysis on the reservation-based random multiple access system, which can be applied to the medium…”
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Analytic method for coverage prediction in UMTS radio network planning process by Staehle, D.

“…One substantial element in the UMTS radio network planning process is the topology planning that identifies the node B sites and evaluates if the coverage and…”
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On the Performance of Packet Aggregation in IEEE 802.11ac MU-MIMO WLANs by Bellalta, B., Barcelo, J., Staehle, D., Vinel, A., Oliver, M.

“…Multi-user spatial multiplexing combined with packet aggregation can significantly increase the performance of Wireless Local Area Networks (WLANs). In this…”
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An analytic model for deriving the node-B transmit power in heterogeneous UMTS networks by Staehle, D., Mader, A.

“…UMTS operates with WCDMA over the air interface. Most studies dealing with the capacity of CDMA networks consider the uplink (reverse link) and evaluate the…”
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Approximating the othercell interference distribution in inhomogeneous UMTS networks by Staehle, D., Leibnitz, K., Heck, K., Schroder, B., Weller, A., Tran-Gia, P.

“…We present an analytical model for computing the othercell interference distribution in a third generation UMTS network with inhomogeneous user distribution…”
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Quality-of-experience driven adaptive HTTP media delivery by El Essaili, A., Schroeder, D., Staehle, D., Shehada, M., Kellerer, W., Steinbach, E.

“…This paper presents a Quality of Experience (QoE) driven approach for multi-user resource optimization in Dynamic Adaptive Streaming over HTTP (DASH) over next…”
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Analytic approximation of the effective bandwidth for best-effort services in UMTS networks by Staehle, D., Leibnitz, K., Heck, K., Tran-Gia, P., Schroder, B., Weller, A.

“…The introduction of third generation mobile communication systems allows the service providers to offer a large variety of services which are in the Universal…”
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On Traffic Characteristics of a Broadband Wireless Internet Access by Pries, R., Wamser, F., Staehle, D., Heck, K., Tran-Gia, P.

“…Internet traffic measurements and traffic characterization are essential for managing and optimizing network infrastructures. The increasing number of wireless…”
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Intra-Mesh Congestion Control for IEEE 802.11s Wireless Mesh Networks by Staehle, B., Bahr, M., Desheng Fu, Staehle, D.

“…Wireless mesh networks (WMNs) are a convenient type of Internet access networks, because they are self-configuring and self-healing wireless multi-hop…”
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Effects of soft handover on the UMTS downlink performance by Staehle, D., Leibnitz, K., Heck, K.

“…The 3GPP standard proposes two methods to perform soft handover on the downlink. In the first one all base stations (BS) or node-B belonging to the active set…”
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IEEE 802.16 Capacity Enhancement Using an Adaptive TDD Split by Pries, R., Staehle, D., Marsico, D.

“…In urban areas, users have become more and more accustomed to the availability of broadband access. However, in rural and suburban areas, it is often too…”
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VoIP Service Performance Optimization in Pre-IEEE 802.11S Wireless Mesh Networks by Bayer, N., de Castro, M.C., Dely, P., Kassler, A., Koucheryavy, Y., Mitoraj, P., Staehle, D.

“…802.11-based wireless mesh networks are seen as a means for providing last mile connections to next generation networks. Due to the low deployment cost and the…”
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Diversity effects on the soft handover gain in UMTS networks by Heck, K., Staehle, D., Leibnitz, K.

“…In cellular wideband code division multiple access (WCDMA) networks, interference on the uplink is the limiting factor for the number of users that can be…”
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A Model for Time-Efficient HSDPA Simulations by Staehle, D., Mader, A.

“…Models for the downlink capacity of WCDMA systems with dedicated channels as specified in the UMTS Release '99 rely on the orthogonality factor for…”
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QoS of Internet Access with GPRS by Staehle, Dirk, Leibnitz, Kenji, Tsipotis, Konstantin

“…In this paper we examine the effects of Internet traffic on the Quality of Service (QoS) in GPRS wireless networks. With a stochastic source traffic model…”
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Traffic Measurement and Analysis of a Broadband Wireless Internet Access by Pries, R., Wamser, F., Staehle, D., Heck, K., Tran-Gia, P.

“…The increasing broadband wireless Internet usage and the limited wireless resources require a careful network management and optimization of the wireless…”
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An analytical approach for determining coverage probabilities in large UMTS networks by Schroder, B., Liesenfeld, B., Weller, A., Leibnitz, K., Staehle, D., Phuoc Tran-Gia

“…An analytical model for dimensioning and planning of large UMTS networks with varying service mixtures is presented. Given the distribution of the UMTS traffic…”
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Source Traffic Modeling of Wireless Applications by Tran-Gia, Phuoc, Staehle, Dirk, Leibnitz, Kenji

“…Data applications are expected to play an increasingly important role in the next generation mobile communication services. To plan these networks, detailed…”
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An Analytical Model for Best-Effort Traffic Over the UMTS Enhanced Uplink by Mader, A., Staehle, D.

“…The next step in the evolution of UMTS is the Enhanced Uplink or high speed uplink packet access (HSUPA), which is designed for the efficient transport of…”
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