280 search results - page 38 / 56 » Modulation and Coding for Noncoherent Communications |
ICC
2011
IEEE
12 years 8 months ago
2011
IEEE
—In order to reduce the long runtimes required to simulate hybrid automatic repeat-request (ARQ) systems, such as high-speed downlink packet access (HSDPA), we propose an informa...
INFOCOM
2008
IEEE
14 years 2 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
2007
IEEE
14 years 2 months ago
2007
IEEE
— We put forth a unified framework for downlink and uplink scheduling of multiple connections with diverse qualityof-service requirements, where each connection transmits using ...
VTC
2007
IEEE
14 years 2 months ago
2007
IEEE
—TURBO principle has been exploited gainfully to implement many receiver functions. RF front-end impairments are a serious issue in high spectral efficient applications. IQ imba...
ICC
2009
IEEE
13 years 6 months ago
2009
IEEE
In this paper, we study the possibility of throughput improvement through precoding in OFDMA based wireless systems with limited channel feedback. Precoding can increase the overal...