51 search results - page 4 / 11 » On the Performance of Non-orthogonal Multiple Access Systems... |
ICC
2007
IEEE
14 years 20 days ago
2007
IEEE
This paper concerns the cross-layer design between physical layer and MAC (Multiple Access Control) layer in asynchronous wireless random access network. The proposed cross-layer d...
ICC
2011
IEEE
12 years 8 months ago
2011
IEEE
—We consider a general wireless channel model for different types of code-division multiple access (CDMA) and space-division multiple-access (SDMA) systems with isometric random ...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
Abstract— In this paper, we propose a frequency domain adaptive estimation of Doppler shifts for multiple Doppler subpaths in direct sequence code division multiple access (DS-CD...
TWC
2008
13 years 8 months ago
2008
Abstract-- An information theoretic queueing model is proposed in a wireless multiple access communication setup. The proposed symmetric N user model captures physical layer parame...
TCOM
2010
13 years 7 months ago
2010
—Physical (PHY) layer cooperation in a wireless network allows neighboring nodes to share their communication resources in order to create a virtual antenna array by means of dis...