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Automatic rate adaptation and energy-saving mechanisms based on cross-layer information for packet-switched data networks
Alonso Zárate, Luis Gonzaga; Agustí Comes, Ramon
Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. GRCM - Grup de Recerca en Comunicacions Mòbils
A set of novel PHY-MAC mechanisms based on a cross layer dialogue have been proposed, and their performance has been analyzed. System efficiency improvement is achieved by means of automatic transmission rate adaptation, trading off bit rate for power, with resulting energy saving features in a generic packet-switched CDMA access network. The rate adaptation mechanism improves spectrum efficiency while keeping packet delay minimized. On the other hand, power dependent strategies reduce power consumption and intercell interference. Simulation results show that the benefits obtained are very encouraging, so the proposed schemes could be used in future communication systems.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica
Mobile communication systems
Electromagnetic compatibility
Automatic transmission rate adaptation
Cellular radio system
Code division multiple access
Cross layer dialogue
Cross-layer information
CDMA access network
Energy-saving mechanisms
Intercell interference
Medium access control
Packet radio networks
Packet delay
Packet-switched data networks
PHY-MAC mechanisms
Physical layer level
Power efficiency
Spectrum efficiency
4G mobile communication
Comunicacions mòbils, Sistemes de
Compatibilitat electromagnètica

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