69 search results - page 2 / 14 » A Novel Uplink Multiple Access Scheme Based on TDS-FDMA |
JSAC
2011
13 years 9 days 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...
ICC
2009
IEEE
14 years 2 days ago
2009
IEEE
Abstract— This paper introduces two new tree-based anticollision schemes using multiple feedback symbols for uplink tag random access of emerging radio frequency identification (...
TSP
2008
13 years 5 months ago
2008
Abstract--This paper deals with the uplink of a wireless multiple-input multiple-output (MIMO) communication system based on multicarrier (MC) code division multiple access (CDMA)....
GLOBECOM
2009
IEEE
14 years 2 days ago
2009
IEEE
Abstract—The capacity of today’s cellular mobile communications systems is mainly limited by inter-cell interference. Multi-cell joint transmission or joint detection schemes a...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
Abstract—In the multi-user MIMO uplink channel, the presence of multiple receive antennas enables the base station to serve a number of users simultaneously, thus increasing over...