Browsing by Author "Zorba, Nizar"
Dynamic bit allocation and differential quantization in feedback link for robust power allocation in multiuser opportunistic beamforming Zorba, Nizar; Pascual Iserte, Antonio; Pérez Neira, Ana Isabel (2008)
Open AccessMulti-antenna systems provide advantages in terms of link quality and multiuser access capabilities, which can be achieved by using schemes as multibeam opportunistic beamforming. This scheme only requires partial channel ...
Kartsakli, Elli; Zorba, Nizar; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (InTech, 2013-12)
Part of book or chapter of book
Open AccessIn the last decade, the Wireless Local Area Network (WLAN) market has been experiencing an impressive growth that began with the broad acceptance of the IEEE 802.11 standard . Given the widespread deployment of WLANs ...
Zorba, Nizar; Verikoukis, Christos; Pérez Neira, Ana Isabel (2009)
Open AccessA cross-layer based dynamically tuned queue length scheduler is presented in this paper, for the Downlink of multiuser and multiantenna WLAN systems with heterogeneous traffic requirements. An opportunistic scheduling ...
Zorba, Nizar; Pérez Neira, Ana Isabel; Lagunas Hernandez, Miguel A. (2007)
Open AccessScheduling in a Downlink channel based on partial Channel State Information at the Transmitter (CSIT) is carried out through an opportunistic technique. Within a more practical perspective, this paper first presents a ...