Applying amplify-and-forward (AF) protocol to orthogonal frequency division multiple-access
(OFDMA) relay networks opens questions regarding subcarrier matching and resource …

In this paper, we consider resource allocation with proportional fairness in the downlink
orthogonal frequency division multiple access relay networks, in which relay nodes operate …

Orthogonal frequency division multiple access (OFDMA) relay networks have been drawing
much more attention in recent years. Cross layer optimization has been shown to be an …

Abstract<? Pub Inc> The increasing use of relays in wireless communication systems is a
driving force to explore innovative techniques that can improve the quality of service as well …

This paper proposes a new resource allocation algorithm for uplink OFDMA-based
cooperative relay networks, assuming multiple user nodes, multiple relay nodes and a …

This paper investigates the Resource allocation problem in OFDMA-based decode-and-
forward cooperative communication systems. The objective is to maximize the sum …

In this paper we study the problem of subframe, subchannel and power allocation in OFDMA-
based multihop relay networks. The system consists of a base station (BS), a number of …

In this paper, we focus on the design of efficient resource allocation algorithms for a multihop
cellular network, with orthogonal frequency division multiple access (OFDMA) as downlink …

We address the problem of designing efficient resource allocation schemes for an OFDMA
based multiuser cooperative communication system that uses amplify and forward relaying …

This paper focuses on relay selection, subcarrier selection and power allocation (PA) in two-
hop multi-relay networks in frequency-selective (FS) fading channel. The multiple relays …