554 search results - page 8 / 111 » Approximability of OFDMA Scheduling |
77
Voted
VTC
2008
IEEE
15 years 4 months ago
2008
IEEE
: This paper explores the potential gain of joint diversity in both frequency domain and time domain which can be exploited to achieve spectral efficiency gains whilst simultaneous...
ICC
2008
IEEE
15 years 4 months ago
2008
IEEE
—Taking advantage of the frequency diversity and multiuser diversity in OFDMA based wireless networks, dynamic subcarrier assignment mechanisms have shown to be able to achieve m...
WIMOB
2007
IEEE
15 years 3 months ago
2007
IEEE
In this paper, ranging process in IEEE 802.16e OFDMA systems is analyzed and performance is evaluated. Ranging process provides initial network entry, uplink synchronization, and ...
86
Voted
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
A weighted sum-rate maximization problem is considered for an access point (AP) allocating resources to wireless cognitive radios (CRs) communicating using orthogonal frequency-di...
90
Voted
WIOPT
2005
IEEE
15 years 3 months ago
2005
IEEE
In this paper we develop distributed approaches for power allocation and scheduling in wireless access networks. We consider a model where users communicate over a set of parallel...