577 search results - page 60 / 116 » Performance Enhancement of Wireless Communication Systems us... |
GLOBECOM
2008
IEEE
13 years 8 months ago
2008
IEEE
Abstract—This paper investigates the zero-forcing (ZF) beamforming transmit strategy in the multiple-antenna multiuser downlink systems. We consider the case of mobile users equi...
INFOCOM
2006
IEEE
14 years 1 months ago
2006
IEEE
— We define and study the scheduling complexity in wireless networks, which expresses the theoretically achievable efficiency of MAC layer protocols. Given a set of communicati...
ICRA
1998
IEEE
13 years 12 months ago
1998
IEEE
The objective of this paper is to present the recent development of the ring sensor to monitor a patient 24 hours a day for a tele-nursing system. The ring sensor is worn by the p...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
Abstract— In this paper, we address the problem of voice multicasting in ad hoc wireless networks. The unique characteristics of voice traffic (viz. small packet size, high pack...
INFOCOM
2009
IEEE
14 years 2 months ago
2009
IEEE
—Network coding is a method that promises to achieve the min-cut capacity in multicasts. However, pushing towards this gain in throughput comes with two sacrifices. Delay suffer...