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GLOBECOM
2009
IEEE
14 years 3 months ago
Priority Based Dynamic Rate Control for VoIP Traffic
This paper presents a novel mechanism for dynamic rate control of prioritised Voice Over IP (VoIP) traffic in real time. The system uses our proposed variable bit rate speech codec...
Fariza Sabrina, Jean-Marc Valin
GLOBECOM
2009
IEEE
14 years 3 months ago
Distributed Power and Carrier Allocation in Multibeam Satellite Uplink with Individual SINR Constraints
Abstract--Current multibeam satellite systems perform centralized power and carrier allocation assuming a Multi-Frequency Time Division Multiple Access (MF-TDMA) scheme with fixed ...
J. E. Barcelo-Llado, Maria Angeles Vázquez-...
GLOBECOM
2009
IEEE
14 years 3 months ago
Dual-Hop Adaptive Packet Transmission with Regenerative Relaying for Wireless TDD Systems
We consider the design and performance analysis of adaptive modulation and coding (AMC) applied to regenerative dual-hop transmission systems, where a source node communicates with...
Andreas Muller, Hong-Chuan Yang
GLOBECOM
2009
IEEE
14 years 3 months ago
Stochastic Properties and Application of City Section Mobility Model
Abstract--Node mobility has a direct impact on the performance evaluation of various network mobility protocols. Unfortunately, most of the analysis on mobility protocols used Rand...
Md. Shohrab Hossain, Mohammed Atiquzzaman
GLOBECOM
2009
IEEE
14 years 3 months ago
Exploring Simulated Annealing and Graphical Models for Optimization in Cognitive Wireless Networks
In this paper we discuss the design of optimization algorithms for cognitive wireless networks (CWNs). Maximizing the perceived network performance towards applications by selectin...
Elena Meshkova, Janne Riihijärvi, Andreas Ach...
GLOBECOM
2009
IEEE
14 years 3 months ago
Stochastic Network Calculus Models under Max-Plus Algebra
A challenging research issue of analyzing networks where packets are served probabilistically, such as multi-access networks and wireless networks, is to characterize the stochasti...
Jing Xie, Yuming Jiang
GLOBECOM
2009
IEEE
14 years 3 months ago
Design and Provisioning of WDM Networks for Many-to-Many Traffic Grooming
A large number of network applications today allow several users to interact together using the many-to-many service mode. A many-to-many session consists of group of users (we ref...
Mohammad A. Saleh, Ahmed E. Kamal
GLOBECOM
2009
IEEE
14 years 3 months ago
A Probabilistic Approach to Identifying the Number of Frequency Hoppers for Spectrum Sensing
Characterizing the number and type of transmitters occupying a given frequency band is a critical aspect of spectrum sensing specifically and cognitive radio generally. We present ...
Yuxing Han, Shaunak Joshi, Lillian Dai, Danijela C...
GLOBECOM
2009
IEEE
14 years 3 months ago
Frame-Scheduling for Input-Queued Switches with Energy Reconfiguration Costs
We consider a slotted input-queued switch with a crossbar-like switching fabric. In each time-slot, a centralized scheduler determines a switching fabric configuration to transfer ...
Andrea Bianco, Paolo Giaccone, Marco Ricca
GLOBECOM
2009
IEEE
14 years 3 months ago
LDPC Decoding Strategies for Two-Dimensional Magnetic Recording
In this paper, we propose a linear programming (LP) decoding scheme for binary error-erasure channel for use in twodimensional magnetic recording. We compare the performance of thi...
Anantha Raman Krishnan, Rathnakumar Radhakrishnan,...