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GLOBECOM
2008
IEEE
9 years 6 months ago
Near-Capacity Three-Stage Downlink Iteratively Decoded Generalized Layered Space-Time Coding with Low Complexity
Abstract— This paper presents a low complexity iteratively detected space-time transmission architecture based on Generalized Layered Space-Time (GLST) codes and IRregular Convol...
Lingkun Kong, Soon Xin Ng, Lajos Hanzo
GLOBECOM
2008
IEEE
9 years 6 months ago
Joint Network Coding and Superposition Coding for Multi-User Information Exchange in Wireless Relaying Networks
—A joint network coding and superposition coding (JNSC) scheme is proposed for information exchange between more than two users in a wireless relaying network. In this paper we c...
Chun-Hung Liu, Ari Arapostathis
GLOBECOM
2008
IEEE
9 years 6 months ago
Delay-Energy Tradeoffs in Wireless Ad-Hoc Networks with Partial Channel State Information
Given a wireless network where each link undergoes small-scale (Rayleigh) fading, we consider the problem of routing a message from a source node to a target node while minimizing...
Matthew Brand, Andreas F. Molisch
GLOBECOM
2008
IEEE
9 years 6 months ago
Physical Layer Network Coding Schemes over Finite and Infinite Fields
: Direct application of network coding at the physical layer - physical layer network coding (PNC) - is a promising technique for two-way relay wireless networks. In a two-way rela...
Shengli Zhang, Soung Chang Liew, Lu Lu
GLOBECOM
2008
IEEE
9 years 6 months ago
Distributed Double-Differential Orthogonal Space-Time Coding for Cooperative Networks
— In this paper, distributed double-differential coding is proposed to avoid the problem of carrier offsets in amplify and forward protocol based cooperative network with two rel...
Manav R. Bhatnagar, Are Hjørungnes
GLOBECOM
2008
IEEE
9 years 6 months ago
Robustness Analysis of Source Localization Using Gaussianity Measure
Nowadays, the source localization has been widely applied for wireless sensor networks. The Gaussian mixture model has been adopted for maximum-likelihood (ML) source localization ...
Kun Yan, Hsiao-Chun Wu, S. S. Iyengar
GLOBECOM
2008
IEEE
9 years 6 months ago
Power Allocation in Wireless Relay Networks: A Geometric Programming-Based Approach
—1 In this paper, we consider an amplify-and-forward (AF) wireless relay system where multiple source nodes communicate with their corresponding destination nodes with the help o...
Khoa T. Phan, Tho Le-Ngoc, Sergiy A. Vorobyov, Chi...
GLOBECOM
2008
IEEE
9 years 6 months ago
A Game Theoretic Framework for Distributed Self-Coexistence Among IEEE 802.22 Networks
—The cognitive radio based IEEE 802.22 wireless regional area network (WRAN) is designed to operate in the under–utilized TV bands by detecting and avoiding primary TV transmis...
Shamik Sengupta, R. Chandramouli, Swastik Brahma, ...
GLOBECOM
2008
IEEE
9 years 6 months ago
A Second Order Statistics Based Algorithm for Blind Recognition of OFDM Based Systems
— An opportunistic radio is a radio able to detect the spectrum unused bands, and to adapt its transmission parameters in order to transmit within these free bands. An opportunis...
Abdelaziz Bouzegzi, Pierre Jallon, Philippe Ciblat
GLOBECOM
2008
IEEE
9 years 6 months ago
A Graph-Based Approach to Multi-Cell OFDMA Downlink Resource Allocation
— A novel, practical and low-complexity multi-cell OFDMA downlink channel assignment method using a graphbased approach is proposed in this work. The inter-cell interference (ICI...
Yu-Jung Chang, Zhifeng Tao, Jinyun Zhang, C. C. Ja...
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