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INFOCOM
2010
IEEE
15 years 5 months ago
Towards Mobile Phone Localization without War-Driving
Abstract—This paper identifies the possibility of using electronic compasses and accelerometers in mobile phones, as a simple and scalable method of localization without war-dri...
Ionut Constandache, Romit Roy Choudhury, Injong Rh...
ECIR
2009
Springer
16 years 3 months ago
Word Particles Applied to Information Retrieval
Document retrieval systems conventionally use words as the basic unit of representation, a natural choice since words are primary carriers of semantic information. In this paper w...
Evandro B. Gouvêa, Bhiksha Raj
ICC
2009
IEEE
157views Communications» more  ICC 2009»
16 years 1 months ago
A Graph Approach to Dynamic Fractional Frequency Reuse (FFR) in Multi-Cell OFDMA Networks
A graph-based framework for dynamic fractional frequency reuse (FFR) in multi-cell OFDMA networks is proposed in this work. FFR is a promising resource allocation technique that c...
Ronald Chang, Zhifeng Tao, Jinyun Zhang, C.-C. Jay...
GLOBECOM
2008
IEEE
16 years 1 months ago
Low-Complexity Hybrid QRD-MCMC MIMO Detection
In this paper, we propose a novel hybrid QRD-MCMC MIMO detector that combines the feature of a QRD-M detector and a Markov chain Monte Carlo (MCMC) detector. The QRD-M algorithm i...
Ronghui Peng, Koon Hoo Teo, Jinyun Zhang, Rong-Ron...
GLOBECOM
2008
IEEE
16 years 1 months ago
Impact of Mobility on the Behavior of Interference in Cellular Wireless Networks
In this study, the impact of mobility is investigated in low-speed environments such as femtocells and picocells for wireless networks. Given that there is interference on the upl...
Serhan Yarkan, Amine Maaref, Koon Hoo Teo, Hü...