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Joint physical-MAC layer design of the broadcast channel protocol in adhoc networks
Madueño Ruíz, María Isabel; Vidal Manzano, José
Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. SPCOM - Grup de Recerca de Processament del Senyal i Comunicacions
Broadcast transmission mode in ad hoc networks is critical to manage multihop routing or providing medium access control (MAC)-layer fairness. In this paper, it is shown that a higher capacity to exchange information among neighbors may be obtained through a physical-MAC cross-layer design of the broadcast protocol exploiting signal separation principles. Coherent detection and separation of contending nodes is possible through training sequences which are selected at random from a reduced set. Guidelines for the design of this set are derived for a low impact on the network performance and the receiver complexity.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Processament del senyal
Ad hoc networks (Computer networks)
Radio Receivers and reception
Broadcast transmission mode
Joint physical-MAC cross-layer design
Scalability
Signal processing-oriented solution
Access protocols
Ad hoc networks
Radio receivers
Signal detection
Telecommunication network routing
Telecommunication network topology
Broadcast protocol
Multihop routing
Medium access control layer
Exchange information capacity
Signal separation principle
Coherent detection
Training sequence
Receiver complexity
Network scalability
Network topology
Xarxes de comunicacions -- Protocols
Article
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
         

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