A dual-decomposition-based resource allocation for OFDMA networks with imperfect CSI
This paper presents a novel scheme for the allocation of subcarriers, rates, and power in
orthogonal frequency-division multiple-access (OFDMA) networks. The scheme addresses …
orthogonal frequency-division multiple-access (OFDMA) networks. The scheme addresses …
Enhanced IEEE 802.11 by integrating multiuser dynamic OFDMA
HS Ferdous, M Murshed - 2010 Wireless telecommunications …, 2010 - ieeexplore.ieee.org
In this paper, we discuss the problems associated with the present contention resolution
mechanism of IEEE 802.11 DCF and present a new, dynamic and robust approach to …
mechanism of IEEE 802.11 DCF and present a new, dynamic and robust approach to …
Integrating multiuser dynamic ofdma into ieee 802.11 wlans-llc/mac extensions and system performance
S Valentin, T Freitag, H Karl - 2008 IEEE International …, 2008 - ieeexplore.ieee.org
Multiuser dynamic OFDMA for the downlink has been extensively studied, specifically, in
terms of fast close-to-optimal subcarrier allocation heuristics and the efficient representation …
terms of fast close-to-optimal subcarrier allocation heuristics and the efficient representation …
Design and evaluation of a routing-informed cooperative MAC protocol for ad hoc networks
Cooperative relaying has been shown to provide diversity gains which can significantly
improve the packet error rate (PER) in wireless transmissions. In ad hoc wireless routing …
improve the packet error rate (PER) in wireless transmissions. In ad hoc wireless routing …
Ad hoc operations of enhanced IEEE 802.11 with multiuser dynamic OFDMA under saturation load
HS Ferdous, M Murshed - 2011 IEEE Wireless …, 2011 - ieeexplore.ieee.org
In this paper, we discuss the challenges associated with integrating multiuser OFDMA in a
single cell IEEE 802.11 based wireless ad hoc network and propose a new, dynamic and …
single cell IEEE 802.11 based wireless ad hoc network and propose a new, dynamic and …
Ergodic mutual information of OFDMA-based selection-decode-and-forward cooperative relay networks with imperfect CSI
This paper presents a novel approach to investigate ergodic mutual information of OFDMA
Selection-Decode-and-Forward (SDF) cooperative relay networks with imperfect channel …
Selection-Decode-and-Forward (SDF) cooperative relay networks with imperfect channel …
Evaluating dynamic OFDMA subchannel allocation for wireless mesh networks on SDRs
Orthogonal Frequency-Division Multiple Access (OFDMA) has emerged as an advanced
technique to enhance resource utilization and efficiency in infrastructure-based networks …
technique to enhance resource utilization and efficiency in infrastructure-based networks …
High performance 2048 point FFT/IFFT design for IEEE 802.16 e standard
PM Kandan, K Narmadha - 2014 International Conference on …, 2014 - ieeexplore.ieee.org
The IEEE 802.16 e is a standard for mobile Wi-MAX (worldwide interoperability for
microwave access). It uses an OFDMA technology. OFDMA improves OFDM robustness to …
microwave access). It uses an OFDMA technology. OFDMA improves OFDM robustness to …
A rapid prototyping framework for practical OFDMA systems using Software Defined Radios
State-of-the-art wireless technologies such as LTE employ OFDMA to enable robust and
efficient frequency-division multiple access, which is also promising for other scenarios …
efficient frequency-division multiple access, which is also promising for other scenarios …
[PDF][PDF] Cooperative relaying and its application: from analysis to prototypes
S Valentin - 2009 - researchgate.net
Mobile users often experience communication outage and low data rate. To efficiently and
economically cope with this problem, cooperative relaying is promising. It exploits wireless …
economically cope with this problem, cooperative relaying is promising. It exploits wireless …