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ICC
2007
IEEE
16 years 1 months ago
Measurement and Evaluation of ENUM Server Performance
Abstract—ENUM is a DNS-based protocol standard for mapping E.164 telephone numbers to Internet Uniform Resource Identifiers (URIs). It places unique requirements on the existing...
Charles Shen, Henning Schulzrinne
ICC
2007
IEEE
117views Communications» more  ICC 2007»
16 years 1 months ago
Synchronization in MB-OFDM-based UWB Systems
Abstract—This paper presents a preamble-based low complexity synchronization method for MB-OFDM based UWB systems. The proposed synchronization method consists of sync detection,...
Trent Jacobs, Yinghui Li, Hlaing Minn, R. M. A. P....
ICC
2007
IEEE
173views Communications» more  ICC 2007»
16 years 1 months ago
The Effect of Imperfect Carrier Frequency Offset Estimation on OFDMA Uplink Transmission
Abstract— Since carrier frequency offset destroys user’s signal orthogonality in Orthogonal Frequency-Division Multiplexing Access (OFDMA) uplink transmission, resulting in an ...
Zhongshan Zhang, Chintha Tellambura
159
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ICC
2007
IEEE
108views Communications» more  ICC 2007»
16 years 1 months ago
Optimal Rate and Beam-Width Control in Wireless Ad-Hoc Networks with Directional Antennas
Abstract—In this paper we study optimal transmission strategies in wireless ad-hoc networks using directional antennas. Each node is capable of adjusting its transmission rate as...
Navid Ehsan, Rene L. Cruz
ICC
2007
IEEE
16 years 1 months ago
Computing the Optimal Amount of Constellation Distortion in OFDM Systems
Abstract— The primary disadvantage of orthogonal frequencydivision multiplexing (OFDM) is the high time-domain peak-toaverage power ratio (PAR) that severely limits the transmitt...
Alok Aggarwal, Erik R. Stauffer, Teresa H. Meng