256 search results - page 3 / 52 » Comparison of Heuristic and Optimal Subcarrier Assignment Al... |
TWC
2008
13 years 5 months ago
2008
OFDMA resource allocation assigns subcarriers and power, and possibly data rates, to each user. Previous research efforts to optimize OFDMA resource allocation with respect to comm...
CORR
2012
Springer
12 years 27 days ago
2012
Springer
Abstract—This study considers an orthogonal frequencydivision multiple-access (OFDMA)-based multi-user two-way relay network where multiple mobile stations (MSs) communicate with...
BROADNETS
2004
IEEE
13 years 9 months ago
2004
IEEE
Channel-aware scheduling and link adaptation (LA) methods are widely considered to be crucial for realizing high data rates in wireless networks. Multi-carrier systems that spread...
GLOBECOM
2009
IEEE
13 years 9 months ago
2009
IEEE
We study the joint allocation of three types of resources, namely, power, subcarriers and relay nodes, in cooperative two-hop multi-relay OFDM systems. Each relay adopts the amplif...
ICC
2007
IEEE
13 years 9 months ago
2007
IEEE
Efficient resource allocation in cellular OFDMA systems envisages the assignment of the number of subcarriers and the relative transmission format on the basis of the experimented ...