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ICC
2007
IEEE
16 years 27 days 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
ISMAR
2002
IEEE
15 years 11 months ago
A Pragmatic Approach to Augmented Reality Authoring
In this paper we describe the Augmented Reality (AR) authoring system "PowerSpace" which allows fast and comfortable generation of AR worlds. The system presented uses t...
Matthias Haringer, Holger Regenbrecht
TCOM
2008
128views more  TCOM 2008»
15 years 6 months ago
Cross-Layer Rate and Power Adaptation Strategies for IR-HARQ Systems over Fading Channels with Memory: A SMDP-Based Approach
Abstract--Incremental-redundancy hybrid automatic repeatrequest (IR-HARQ) schemes are proposed in several wireless standards for increased throughput-efficiency and greater reliabi...
Ashok K. Karmokar, Dejan V. Djonin, Vijay K. Bharg...
INFOCOM
2002
IEEE
15 years 11 months ago
A Framework for Optimal Battery Management for Wireless Nodes
The focus of this paper is to extend the lifetime of a battery powered node in wireless context. The lifetime of a battery depends on both the manner of discharge and the transmis...
Maria Adamou, Saswati Sarkar
JSAC
2006
100views more  JSAC 2006»
15 years 6 months ago
Analysis and optimization of CDMA systems with chip-level interleavers
Abstract--In this paper, we present an unequal power allocation technique to increase the throughput of code-division multiple-access (CDMA) systems with chip-level interleavers. P...
Lihai Liu, Jun Tong, Li Ping