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ICC
2008
IEEE
120views Communications» more  ICC 2008»
14 years 26 days ago
Near-Optimum Soft-Output Ant-Colony-Optimization Based Multiuser Detection for the DS-CDMA Uplink
— In this contribution, a novel soft-output Ant Colony Optimization (ACO) based Multi-User Detector (MUD) is proposed for the synchronous Direct-Sequence Code-DivisionMultiple-Ac...
Chong Xu, Lie-Liang Yang, Robert G. Maunder, Lajos...
ICC
2007
IEEE
123views Communications» more  ICC 2007»
14 years 22 days ago
Cross-Layer Optimization With Model-Based Parameter Exchange
— Cross-layer optimization (CLO) promises significant gains in comparison to a conventional system design, which does not allow for information exchange across layers. One of th...
Andreas Saul, Shoaib Khan, Gunther Auer, Wolfgang ...
MOBISYS
2004
ACM
14 years 6 months ago
Exponential Index: A Parameterized Distributed Indexing Scheme for Data on Air
Wireless data broadcast has received a lot of attention from industries and academia in recent years. Access efficiency and energy conservation are two critical performance concer...
Jianliang Xu, Wang-Chien Lee, Xueyan Tang
MOBIHOC
2004
ACM
14 years 6 months ago
A single-channel solution for transmission power control in wireless ad hoc networks
Transmission power control (TPC) has a great potential to increase the throughput of a mobile ad hoc network (MANET). Existing TPC schemes achieve this goal by using additional ha...
Alaa Muqattash, Marwan Krunz
JSAC
2008
90views more  JSAC 2008»
13 years 6 months ago
Limited feedback schemes for downlink OFDMA based on sub-channel groups
Abstract--In a downlink Orthogonal Frequency Division Multiple Access (OFDMA) system, optimally allocating sub-channels across mobile users can require excessive feedback of channe...
Jieying Chen, Randall A. Berry, Michael L. Honig