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ISCAS
2005
IEEE
247views Hardware» more  ISCAS 2005»
14 years 1 months ago
Digital signal processing engine design for polar transmitter in wireless communication systems
Polar modulation techniques offer the capability of multimode wireless system and the potential for the high efficiency Power Amplifier (PA). This paper describes a new design of D...
Hung Yang Ko, Yi-Chiuan Wang, An-Yeu Wu
TAMC
2009
Springer
14 years 2 months ago
Best-Order Streaming Model
We study a new model of computation called stream checking on graph problems where a space-limited verifier has to verify a proof sequentially (i.e., it reads the proof as a strea...
Atish Das Sarma, Richard J. Lipton, Danupon Nanong...
GLOBECOM
2007
IEEE
13 years 9 months ago
Optimal Downlink OFDMA Subcarrier, Rate, and Power Allocation with Linear Complexity to Maximize Ergodic Weighted-Sum Rates
Abstract— In this paper, we propose a resource allocation algorithm for ergodic weighted-sum rate maximization in downlink OFDMA systems. In contrast to most previous research tha...
Ian C. Wong, Brian L. Evans
SAGA
2007
Springer
14 years 1 months ago
Communication Problems in Random Line-of-Sight Ad-Hoc Radio Networks
The line-of-sight networks is a network model introduced recently by Frieze et al. (SODA’07). It considers scenarios of wireless networks in which the underlying environment has...
Artur Czumaj, Xin Wang
ISCAS
2006
IEEE
118views Hardware» more  ISCAS 2006»
14 years 1 months ago
A robust continuous-time multi-dithering technique for laser communications using adaptive optics
A robust system architecture to achieve optical coherency free optimization. Several methods that had been proposed in the in multiple-beam free-space laser communication links wit...
Dimitrios N. Loizos, Paul-Peter Sotiriadis, Gert C...