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A Simple Method for the Analytical Characterization of OFDM Schemes with LINC Transmitter Structures

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Resumo:Usually, packets involved in a collision are lost, requiring their retransmission. However, the signal associated to collisions has important information concerning the packets involved. In fact, with proper retransmissions we can efficiently resolve collisions. In this paper we propose a frequency-domain multipacket detection technique for SC-FDE schemes (SingleCarrier with Frequency-Domain Equalization) that allows an efficient packet separation in the presence of successive collisions. This technique allows high throughputs, since the total number of transmissions is equal to the number of packets involved in the collision, even when the channel remains fixed for the retransmissions. Since we consider SC-FDE schemes and the complexity is concentrated in the receiver, this technique particularly appealing for the uplink of broadband wireless systems.
Autores principais:Guerreiro, João
Outros Autores:Dinis, Rui; Carvalho, Paulo Montezuma
Assunto:performance evaluation LINC OFDM signals PAPR
Ano:2015
País:Portugal
Tipo de documento:documento de conferência
Tipo de acesso:acesso aberto
Instituição associada:Universidade Autónoma de Lisboa
Idioma:inglês
Origem:Camões - Repositório Institucional da Universidade Autónoma de Lisboa

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