… -SE tradeoff issue in downlink OFDMA networks. We build a … , and discuss the impact of
channel power gain and circuit power … in OFDMA networks is rate adaptation (RA) that maximizes …

… relay-assisted cooperative OFDMA downlink networks. To the … single-cell OFDMA network
consisting of a base station (BS), … Here we focus on the downlink transmission while the uplink …

… We consider the downlink of a single OFDMA base station … consider an OFDMA system
based on a 3GPP-LTE downlink [2… We simulate the frequency-selective Rayleigh fading channel …

… aiming at maximizing the system throughput may suffer from the monopolization of resources
by UEs experiencing a good channel quality, thus making UEs with bad channel quality …

… perfect channel state information (CSI), the transmitter of OFDMA … OFDMA broadcast channels
(BC). Two resource allocation problems are considered: weighted sum rate maximization (…

… allocation to maximize the sum-rate performance in OFDMA based C-RAN. We also formulate
the problem based on the Gaussian test channel model to obtain performance benchmark…

… to channel estimation errors, and more importantly, channel feedback delay. In this paper, we
develop optimal resource allocation algorithms for the OFDMA downlink … rate maximization …

… in OFDMA-based selective relaying networks. Our goal is to maximize the total throughput
under the constraint of total transmission power, while guaranteeing fairness on subchannel …

… We assume that perfect channel state information at the transmitter (CSIT) is available [19]–
[… a feedback channel a frequency division duplex system, or through channel estimation of …