… in relay-based OFDMA systems, considering both cooperative and non-cooperative relaying
… scheme which uses jointly HM and relaying to enable the relay to produce a more robust …

… frequency-division multiplexing (OFDM) systems is … allocation for OFDM-based multiuser
multiple-access relay channels (… number, and the impact of relay location is also evaluated. …

… , as well as supporting both one-way and twoway relaying for MUs in relay mode. • For
hierarchical OFDMA, we provide a convex optimization framework for joint optimization of user …

… hierarchical frame aggregation techniques in greater detail. The performance of the proposed
FiWi network and hierarchical … , all MPs are involved in relaying in-transit frames, but only a …

… system performance, we have implemented a new simulator for a downlink OFDMA system,
… At the upper level, we will study the impact of HM in the case of relays where traffic from the …

… , relay access time optimization, relay spatial reuse, and admission control. Admission control
is performed hierarchically also … , we consider a dedicated frame structure as in Figure1. …

… frame structure proposals for utilization in multi-hop relay … of the frame structure for multi-hop
relay environments, and … thesis is, the OFDMA TDD frame structure and this will be the …

… So, we consider OFDMA system and the ideas described in this paper could be … systems.
This paper studies two basic research themes; a QoS packet scheduler design and fixed relay …

… design algorithms for allocating OFDMA resource with relays in a cell based on CSI reporting.
Within the cell, the interference between simultaneously transmitting relays is considered. …

… , which constitutes an alternative to fixed relaying schemes, since it achieves the same …
A survey of resource allocation in relay-enhanced OFDMA-based networks is presented in […