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» An Algorithmic View on OVSF Code Assignment
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STACS
2004
Springer
13 years 10 months ago
An Algorithmic View on OVSF Code Assignment
OrthogonalVariableSpreadingFactor(OVSF)codesareusedinUMTStosharetheradiospectrum among several connections of possibly different bandwidth requirements. The combinatorial core of t...
Thomas Erlebach, Riko Jacob, Matús Mihal&aa...
AAIM
2007
Springer
120views Algorithms» more  AAIM 2007»
13 years 8 months ago
Online OVSF Code Assignment with Resource Augmentation
Abstract. Orthogonal Variable Spreading Factor (OVSF) code assignment is a fundamental problem in Wideband Code-Division MultipleAccess (W-CDMA) systems, which play an important ro...
Francis Y. L. Chin, Yong Zhang, Hong Zhu
COMCOM
2004
130views more  COMCOM 2004»
13 years 4 months ago
An OVSF code assignment scheme utilizing multiple RAKE combiners for W-CDMA
Orthogonal variable spreading factor (OVSF) codes have been proposed as the channelization codes used in the wideband CDMA access technology of IMT-2000. OVSF codes have the advant...
Li-Hsing Yen, Ming-Chun Tsou
ISAAC
2007
Springer
121views Algorithms» more  ISAAC 2007»
13 years 10 months ago
A Constant-Competitive Algorithm for Online OVSF Code Assignment
Francis Y. L. Chin, Hing-Fung Ting, Yong Zhang
DIALM
2004
ACM
117views Algorithms» more  DIALM 2004»
13 years 10 months ago
OVSF-CDMA code assignment in wireless ad hoc networks
Orthogonal Variable Spreading Factor (OVSF) CDMA code consists of an infinite number of codewords with variable rates, in contrast to the conventional orthogonal fixed-spreading...
Peng-Jun Wan, Xiang-Yang Li, Ophir Frieder