80 search results - page 6 / 16 » On a Power Allocation Method for IDMA Systems |
MOBICOM
2009
ACM
14 years 2 months ago
2009
ACM
Cognitive radio is an enabling technology that allows unlicensed users to opportunistically access the spectrum in order to enhance the spectrum efficiency. In this paper, we cons...
GLOBECOM
2008
IEEE
14 years 2 months ago
2008
IEEE
—This paper considers distributed protocol design for joint sub-carrier, transmission scheduling and power management in uplink/downlink multi-cellular OFDMA wireless networks. T...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
— Joint cooperative processing of transmitted signal from several multiple-input multiple-output (MIMO) base station (BS) antenna heads is considered for users located within a s...
GLOBECOM
2009
IEEE
14 years 8 days 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
14 years 2 months ago
2007
IEEE
— This paper develops linear precoding schemes for the downlink in multiuser multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems with ...