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TMC
2008
110views more  TMC 2008»
15 years 6 months ago
Understanding the Impact of Interference on Collaborative Relays
Collaborative relays achieve the benefits of spatial diversity without requiring physical antenna arrays at end devices. While many studies have demonstrated its effectiveness in a...
Yan Zhu, Haitao Zheng
CISS
2007
IEEE
16 years 22 days ago
System-Level Performance of Cellular Multihop Relaying with Multiuser Scheduling
— Multihop relaying in cellular networks is seen as a viable strategy to address the need for higher data rates and better coverage. In this paper, we analyze the system-level pe...
Mohamad Charafeddine, Ozgur Oyman, Sumeet Sandhu
ICNP
2009
IEEE
15 years 4 months ago
End-to-End Versus Hop-by-Hop Soft State Refresh for Multi-hop Signaling Systems
Abstract--To ensure state synchronization of signalling operations, many signaling protocol designs choose to establish "soft" state that expires if it is not refreshed. ...
Xiaoming Fu, Jianhua He
TWC
2010
15 years 1 months ago
Closed-Loop Transmit Diversity with Imperfect Feedback
The closed-loop transmit diversity technique is used to improve the performance of the downlink channel in MIMO communication systems. In these closed-loop systems, feedback delay...
A. Heidari, Amir K. Khandani
ICRA
2000
IEEE
122views Robotics» more  ICRA 2000»
15 years 10 months ago
Application of a Model-Free Algorithm for the Packing of Irregular Shaped Objects in Semiconductor Manufacture
A Robotic System is being developed to automate the crucible packing process in the CZ semiconductor wafer production. It requires the delicate manipulation and packing of highly ...
Vivek A. Sujan, Steven Dubowsky