107 search results - page 19 / 22 » Diversity-Multiplexing Tradeoff in Cooperative Multiple Acce... |
VTC
2006
IEEE
14 years 1 months ago
2006
IEEE
This paper presents a hybrid automatic repeat request (HARQ) with variable spreading factor (VSF) suitable for a multicarrer code division multiple access (MC-CDMA). We consider a ...
JSAC
2011
13 years 2 months ago
2011
This work on cognitive radio access ventures beyond the more traditional “listen-before-talk” paradigm that underlies many cognitive radio access proposals. We exploit the bi-...
CISS
2008
IEEE
14 years 2 months ago
2008
IEEE
— We address the problem of exchanging broadcast packets among multiple wireless terminals through a single relay node. The objective is to evaluate the delay and throughput gain...
JSAC
2011
13 years 2 months ago
2011
—We consider a wireless cognitive radio network in which a set of secondary users (SUs) opportunistically utilize the wireless spectrum licensed to the primary users (PUs) to tra...
PIMRC
2008
IEEE
14 years 2 months ago
2008
IEEE
— Future mobile communications systems demand for higher data rates and service quality compared to state-of-the-art systems. One way to achieve this ambitious goal is to use rel...