par Horlin, François 
;Petré, Frederik;Lopez-Estraviz, Edouardo;Naessens, Frederik;Van der Perre, Liesbet
Référence EURASIP Journal on wireless communications and networking, 5, 3, page (308-322)
Publication Publié, 2005-08
;Petré, Frederik;Lopez-Estraviz, Edouardo;Naessens, Frederik;Van der Perre, LiesbetRéférence EURASIP Journal on wireless communications and networking, 5, 3, page (308-322)
Publication Publié, 2005-08
Article révisé par les pairs
| Résumé : | New air interfaces are currently being developed to meet the high requirements of the emerging wireless communication systems. In this context, the combinations of the multicarrier (MC) and spread-spectrum (SS) technologies are promising candidates. In this paper, we propose a generic transmission scheme that allows to instantiate all the combinations of orthogonal frequency-division multiplexing (OFDM) and cyclic-prefixed single-carrier (SC) modulations with direct-sequence code-division multiple access (DS-CDMA). The generic transmission scheme is extended to integrate the space-division multiplexing (SDM) and the orthogonal space-time block coding (STBC). Based on a generalized matrix model, the linear frequency-domain minimum mean square error (MMSE) joint detector is derived. A mode selection strategy for up- and downlink is advised that efficiently trades off the cost of the mobile terminal and the achieved performance of a high-mobility cellular system. It is demonstrated that an adaptive transceiver that supports the proposed communication modes is necessary to track the changing communication conditions. |
