Browsing by Author "Khanfir, Hajer"

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Performance evaluation of multicast MISO-OFDM systems

Özbek, Berna; Le Ruyet, Didier; Khanfir, Hajer (Springer, 2008-06)

In this paper, we analyze the performance of multicast orthogonal frequency division multiplexing (OFDM) systems with single and multiple transmit antennas. We show that the resource allocation that includes the subcarrier ...
Performance of semi-orthogonal user selection for multiuser MISO systems

Le Ruyet, Didier; Khanfir, Hajer; Özbek, Berna (IEEE, 2008)

In MISO multiuser downlink wireless communication systems with precoding at the transmission, the capacity depends on the channel state information at the transmitter. Since the feedback data rate increases with the number ...
Reduced feedback load using user selection algorithms for the multiuser multi-input single-output systems

Khanfir, Hajer; Le Ruyet, Didier; Özbek, Berna (Wiley, 2013-11)

Locate full-text(opens in a new window)|Full Text(opens in a new window)|View at Publisher| Export | Download | Add to List | More... Transactions on emerging telecommunications technologies Volume 24, Issue 7-8, ...
Semi-orthogonal user selection for MISO systems with quantized feedback

Khanfir, Hajer; Le Ruyet, Didier; Özbek, Berna (IEEE, 2008)

For MISO multi-user downlink wireless communication system with precoding at the transmission, the channel state information at the transmitter can provide tremendous capacity gains. However, the amount of feedback data ...