17932 search results - page 64 / 3587 » Wireless communications systems |
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
In this paper, we consider energy-efficient routing for detection in wireless sensor networks (WSNs). Energyefficient routing for WSNs has been intensely studied recently, but rout...
ICC
2008
IEEE
14 years 4 months ago
2008
IEEE
— This paper proposes a low complexity unitary precoding scheme for multiple-input multiple-output (MIMO) systems. The singular-value decomposition (SVD) based transmission is ca...
ICC
2008
IEEE
14 years 4 months ago
2008
IEEE
— This paper proposes a new precoding algorithm for orthogonalized spatial multiplexing (OSM) systems over flatfading multiple-input multiple-output (MIMO) channels. The OSM sch...
ICC
2007
IEEE
14 years 4 months ago
2007
IEEE
—OFDM systems are the major cellular platforms for supporting ubiquitous high performance mobile applications. However, there remain a number of research challenges to be tackled...
VTC
2008
IEEE
14 years 4 months ago
2008
IEEE
Abstract— Depending on the position of mobile stations in the multihop relay system, various types of cooperative relaying schemes show the different level of throughput and outa...