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JCM
2007
52views more  JCM 2007»
13 years 4 months ago
Superposition Modulated Cooperative Diversity for Half-duplex Scenario
Abstract— In this paper, the cooperative diversity with superposition modulation, which has been proposed as an instance of “dirty paper coding”, is theoretically analyzed us...
Koji Ishii
JCM
2007
66views more  JCM 2007»
13 years 4 months ago
Transfer Function Based Approaches to Array Calibration
— This paper examines transfer-function based techniques for performing direction finding on a source of electromagnetic energy using a passive vector sensor array whose manifol...
Hasan S. Mir
JCM
2007
61views more  JCM 2007»
13 years 4 months ago
Supporting Mobility Events within a Hierarchical Mobile IP-over-MPLS Network
Abstract— This paper examines mobility events, and particularly handovers in an overlay environment, where Hierarchical Mobile IP is operating over MPLS. The overlay operation is...
Vasos Vassiliou, Andreas Pitsillides
JCM
2007
145views more  JCM 2007»
13 years 4 months ago
HealthGear: Automatic Sleep Apnea Detection and Monitoring with a Mobile Phone
— We present HealthGear, a real-time wearable system for monitoring, visualizing and analyzing physiological signals. HealthGear consists of a set of non-invasive physiological s...
Nuria Oliver, Fernando Flores-Mangas
JCM
2007
129views more  JCM 2007»
13 years 4 months ago
Evolutionary Approach for Efficient Resource Allocation in Multi-User OFDM Systems
– Orthogonal Frequency Division Multiplexing is a promising technology for high data rate transmission in wideband wireless systems for achieving high downlink capabilities in th...
Yenumula B. Reddy, Nandigam Gajendar