JSAC
2008
14 years 13 days ago
2008
We consider the downlink of a wireless system with an M-antenna base station and K single-antenna users. A limited feedback-based scheduling and precoding scenario is considered th...
JSAC
2008
14 years 13 days ago
2008
Abstract--In a wireless network, with the aid of rate adaptation, multiuser diversity can be exploited by allowing the mobile user with the best channel to use the channel. However...
GLOBECOM
2007
IEEE
14 years 6 months ago
2007
IEEE
This paper addresses initial ranging (uplink synchronization and power control) for TDD OFDMA systems. Exploiting the channel knowledge from the downlink channel together with ini...