A significant number of mobile payment systems have been proposed in recent years, most of them based on a scenario where all the entities are directly connected one to another (fo...
In this letter the performance limits and design principles of rateless codes over fading channels are studied. The diversity-multiplexing tradeoff (DMT) is used to analyze the sys...
Yijia Fan, Lifeng Lai, Elza Erkip, H. Vincent Poor
A large number of overlay multicast protocols have been developed, almost all of which assume universal connectivity between end hosts. However, in reality, this assumption is not...
Navigation services can be found in different situations and contexts: while connected to the web through a desktop PC, in cars, and more recently on PDAs while on foot. These ser...
Clock skew optimization continues to be an important concern in circuit designs. To overcome the influence caused by PVT variations, the automatic skew synchronization scheme can ...