47 search results - page 8 / 10 » Spreading Signals in the Wideband Limit |
TIT
2002
13 years 10 months ago
2002
We present a large-system performance analysis of blind and group-blind multiuser detection methods. In these methods, the receivers are estimated based on the received signal samp...
TIT
2002
13 years 10 months ago
2002
We present a framework for iterative multiuser joint decoding of code-division multiple-access (CDMA) signals, based on the factor-graph representation and on the sum-product algor...
TCOM
2008
13 years 10 months ago
2008
Abstract--We investigate a new approach to uplink communications in wideband outdoor cellular systems that can take advantage of multiple antennas at the base station in a scalable...
INFOCOM
2008
IEEE
14 years 5 months ago
2008
IEEE
—Wireless communications are inherently symmetric; that is, it takes an attacker the same amount of power to modulate a signal as it does for a legitimate node to modulate the sa...
ICC
2009
IEEE
14 years 5 months ago
2009
IEEE
— In cellular networks, relays and/or mobiles can cooperate to improve the overall system performance. For example, once the transmission from a base station with multiple antenn...