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JSAC
2006
112views more  JSAC 2006»
13 years 7 months ago
Optimal Bandwidth Allocation in a Delay Channel
In this paper, we consider the problem of allocating bandwidth to two queues with arbitrary arrival processes, so as to minimize the total expected packet holding cost over a finit...
Navid Ehsan, Mingyan Liu
ICC
2009
IEEE
101views Communications» more  ICC 2009»
13 years 5 months ago
Using Limited Feedback in Power Allocation Design for a Two-Hop Relay OFDM System
In this paper, we study power allocation (PA) in a single-relay OFDM system with limited feedback. We propose a PA scheme that uses a codebook of quantized PA vectors designed offl...
Mahdi Hajiaghayi, Min Dong, Ben Liang
ICNP
2007
IEEE
14 years 2 months ago
Multicast Algorithms for Multi-Channel Wireless Mesh Networks
— Multicast is a key technology that provides efficient data communication among a set of nodes for wireless multi-hop networks. In sensor networks and MANETs, multicast algorit...
Guo-Kai Zeng, Bo Wang 0001, Yong Ding, Li Xiao, Ma...
ICC
2007
IEEE
14 years 2 months ago
Optimizing Zero-Forcing Based Gain Allocation for Wireless Multiuser Networks
— We consider a wireless multiuser network where a number of source/destination pairs communicate concurrently over the same physical channel. A set of amplify-and-forward relay ...
Celal Esli, Stefan Berger, Armin Wittneben
ICC
2009
IEEE
120views Communications» more  ICC 2009»
13 years 5 months ago
Achieving Exponential Diversity in Wireless Multihop Systems with Regenerative Relays
Abstract--We present and analyze two different power allocation strategies for considerably improving the average bit error rate (BER) performance of wireless multihop systems with...
Andreas Müller 0001, Joachim Speidel