Link Adaptation for Framed Multimedia Data Transmission over a DS-CDMA Communication System | Zendy

Charly Poulliat | Zendy; Inbar Fijalkow | Zendy; David Declercq | Zendy

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Link Adaptation for Framed Multimedia Data Transmission over a DS-CDMA Communication System

Author(s) -

Charly Poulliat,

Inbar Fijalkow,

David Declercq

Publication year - 2005

Publication title -

eurasip journal on advances in signal processing

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.317

H-Index - 88

eISSN - 1687-6180

pISSN - 1687-6172

DOI - 10.1155/asp.2005.153

Subject(s) - computer science , rayleigh fading , transmission (telecommunications) , channel (broadcasting) , maximization , wireless , frame (networking) , link adaptation , fading , code division multiple access , bit error rate , context (archaeology) , power control , adaptation (eye) , real time computing , power (physics) , telecommunications , mathematical optimization , mathematics , paleontology , quantum mechanics , biology , physics , optics

In the context of frame-based multimedia wireless transmission, a link adaptation strategy is proposed, assuming that the source decoder may accept some remaining errors at the output of the channel decoder. Based on a target mean bit error rate for erroneous frames, a minimum bit-energy-to-equivalent-noise ratio is chosen. Under this constraint, a new link adaptation criterion is proposed: the maximization of the minimum user's information rate through dynamic spreading gain and power control, allowing to guarantee a transmission for each and every user. An analytical solution to this constrained optimization problem is proposed and its performance is studied in a Rayleigh-fading environment

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