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engineering
(44811 results)-
Whitepapers
Automatic Discovery of Physical Topology in Heterogeneous Multi-Vendor Ethernet Networks
April 18, 2008 12:00am PDT
Automatic discovery of physical topology in support of network management is essential for Ethernet to succeed in metropolitan networks. Nevertheless, to date there is no mechanism capable of...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Optimal Power Control Over Fading Channel With Cross-Layer Performance Constraint
April 18, 2008 12:00am PDT
The authors consider the minimization of long-term average power consumption for data transmission from a mobile station to the base station, with the joint packet loss at both physical and MAC...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Distributed Cross Layer Congestion Control for Real-Time Video Over WLAN
April 18, 2008 12:00am PDT
The authors propose a distributed cross-layer congestion control algorithm that provides enhanced QoS and reliable operation for real-time uplink video over Wi-Fi applications. Such applications...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Cross-Layer Enhanced Mobility Management in Heterogeneous Networks
April 18, 2008 12:00am PDT
The criteria used by state-of-the-art mobility protocols in their handover decision-making are very limited. The protocols typically rely on routing advertisements or signal strength measurements...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
An Improved Scheme for Initial Ranging in OFDMA-Based Networks
April 18, 2008 12:00am PDT
An efficient scheme for initial ranging has recently been proposed by X. Fu et al. in the context of Orthogonal Frequency-Division Multiple-Access (OFDMA) networks based on the IEEE 802.16e-2005...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Adaptive Subcarrier Allocation Algorithms in Wireless OFDMA Systems
April 18, 2008 12:00am PDT
WiMAX is one of the most important technologies for providing a Broad-band Wireless Access (BWA) in a metropolitan area. The use of OFDM transmission has been proposed to reduce the effect of...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Rate-Maximization Scheduling for Downlink OFDMA With Long Term Rate Proportional Fairness
April 18, 2008 12:00am PDT
In this paper, the authors study the sum rate maximization algorithms with long-term Rate Proportional Fairness (RPF) for downlink Orthogonal Frequency Division Multiple Access (OFDMA). In...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Carrier-Frequency Offset Estimation for OFDMA Uplink With Generalized Subcarrier-Assignment
April 18, 2008 12:00am PDT
Maximum Likelihood (ML) Carrier-Frequency Offset (CFO) estimation in the uplink of an Orthogonal Frequency-Division Multiple-Access (OFDMA) system with a Generalized Carrier Assignment Scheme...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
A Survey on the Envelope Fluctuations of DFT Precoded OFDMA Signals
April 18, 2008 12:00am PDT
Discrete Fourier Transform (DFT) precoding is a promising approach for reduction of the envelope fluctuations of Orthogonal Frequency Division Multiple Access (OFDMA) signals. However, the...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
PingPair: A Lightweight Tool for Measurement Noise Free Path Capacity Estimation
April 18, 2008 12:00am PDT
The paper presents PingPair, a novel tool for end-to-end path capacity estimation. The tool is based on the classical packet dispersion technique, enhanced by a novel algorithm for the selection...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Active Queue Management Controller for the High Speed TCP Protocol
April 18, 2008 12:00am PDT
This paper introduces the HSTCP-H2 AQM controller, an optimal AQM controller for networks which employ the HSTCP protocol as their transport protocol. The synthesis of the controller uses a...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
New Congestion Control Mechanisms for Flow-Aware Networks
April 18, 2008 12:00am PDT
New concepts of the congestion control mechanisms in Flow-Aware Networks (FAN), which improve network performance and servicing of streaming flows, are proposed. The paper describes the congestion...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Distributed and Centralized Path Computation Algorithms: Implementation in NS2 and Performance Comparison
April 18, 2008 12:00am PDT
Originally designed to improve the efficiency of packets forwarding, MPLS provides support for Traffic Engineering and network resilience. Constrained-based path computation is a key building...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Optimal Quality-of-Experience Design for a P2P Multi-Source Video Streaming
April 18, 2008 12:00am PDT
The authors consider the design of a P2P network for the distribution of real-time video streams through the Internet. They follow a multi-source approach where the stream is decomposed into...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Optimal Statistical Tuning of the RED Parameters
April 18, 2008 12:00am PDT
Achieving minimal loss while satisfying an acceptable delay profile remains to be an open problem under the RED queuing discipline. In this paper, the authors present a framework targeted at...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Multilink Performance of the Load-Level-Based Admission Control Mechanism for OBS Networks
April 18, 2008 12:00am PDT
In this paper, the authors analyze the performance of the Load-Level-Based Admission Control mechanism (LLAC) for optical burst-switched networks in a multilink scenario. The goal of this...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
On the Time Scale of TCP-Friendly Admission Control Protocols
April 18, 2008 12:00am PDT
The definition of TCP friendliness has been evolved over time from the traditional one for congestion control protocols to the recent ones for admission control protocols. All of them can...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Adaptive Rate Control Low Bit-Rate Video Transmission OverWireless Zigbee Networks
April 18, 2008 12:00am PDT
The emerging IEEE 802.15.4 standard is designed for low data rate, low power consumption and low cost Wireless Personal Area Networks (WPANs). Video transmission over such networks is considered...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Backlog Aware Scheduling for Large Buffered Crossbar Switches
April 18, 2008 12:00am PDT
A novel architecture was proposed in to address scalability issues in large, high speed packet switches. The architecture proposed in, namely OBIG (Output Buffers with Input Groups), distributes...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Experimental Analysis of Super-Seeding in BitTorrent
April 18, 2008 12:00am PDT
With the popularity of BitTorrent, improving its performance has been an active research area. Super-seeding, a special upload policy for initial seeds, improves the efficiency in producing...
Provided by: Institute of Electrical & Electronic Engineers
