A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Filters
OFDMA Architectures, Protocols, and Applications
2009
EURASIP Journal on Wireless Communications and Networking
Preserved Fulltext
Clearly recent advances in wireless communication technology have led to significant innovations that enable OFDMA-based wireless access networks to provide better Quality-of-Service (QoS) than ever with ...
Also, many critical problems associated with the applications of OFDMA technologies in future wireless systems are still looking for efficient solutions. ...
The third paper, "Throughput analysis of band AMC scheme in broadband wireless OFDMA system," performs an analysis of the maximum system throughput for a band-AMC under various system parameters. ...
doi:10.1155/2009/703083
fatcat:lf5e6taq2zcb7pk77cfjmzgvki
An OFDM-TDMA/SA MAC Protocol with QoS Constraints for Broadband Wireless LANs
2005
Wireless networks
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
With OFDM-TDMA/SA, a medium access control (MAC) is designed for broadband wireless LANs. ...
Orthogonal frequency division multiplexing (OFDM) is an important technique to support high speed transmission of broadband traffic in wireless networks, especially broadband wireless local area networks ...
In addition, the throughput of mobile terminals in good channels is not maximized. In our algorithm, since maximization of the overall data rates is used, system throughput is maximized. ...
doi:10.1007/s11276-005-5263-1
fatcat:3umbacrjwngy3clk653gfwbhoq
Traffic models impact on OFDMA scheduling design
2012
EURASIP Journal on Wireless Communications and Networking
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
The results also show that with the full buffer model a gradient scheduler exhibits a trade-off between average user throughput and the user throughput at 5% outage, but it does not when the more realistic ...
in realistic scenarios. ...
Introduction Orthogonal Frequency Division Multiple Access (OFDMA) has become an essential technology in broadband wireless communications. ...
doi:10.1186/1687-1499-2012-61
fatcat:6xrn7zcqpnhzffcn5oxhsv6kam
Buffer sharing on an OFDMA downlink
2010
21st Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2012; you can also visit the original URL.
The file type is application/pdf.
As a benchmark, we also simulate MaxWeight, a well-known cross-layer channel and queue-aware scheduling policy that is throughput-optimal in the absence of a finite buffer constraint. ...
In this work we consider the allocation of buffer space to data streams sharing a common high-speed wireless transmitter. As an example, we focus on an OFDMA-based downlink system scenario. ...
However, the related problem of throughput maximization under constraints on queue length ('finite buffer constraint') remains as a challenge. Meanwhile, finite buffers are a practical reality. ...
doi:10.1109/pimrc.2010.5672058
dblp:conf/pimrc/GiriciOU10
fatcat:ni5xrfy5cvb4pe5bq63kcnkw4e
Adaptive radio resource allocation for downlink OFDMA/SDMA systems with multimedia traffic
2008
IEEE Transactions on Wireless Communications
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
This paper proposes an adaptive radio resource allocation (ARRA) algorithm for downlink OFDMA/SDMA systems with multimedia traffic. ...
The PBG allocates the radio resource iteratively, based on a cost value, to maximize the system throughput while allocating enough resource to high-priority users. ...
Song and Li [4] proposed a utility-based resource allocation and scheduling for OFDM-based wireless broadband networks. ...
doi:10.1109/twc.2008.060994
fatcat:3uwxhkwxmfgwjdg6cvqk2zidp4
Modelling and Development of a Radio Resource Control and Scheduling Algorithm for Long-Term Evolution (LTE) Uplink
2021
Review of Computer Engineer Studies
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
maximizes the proportional fairness metric. ...
The proposed scheme was found to outperform the First Maximum Expansion (FME) and Recursive Maximum Expansion (RME) in terms of simulation time and fairness while maintaining the throughput. ...
The objective is to maximize the limited available resource blocks while satisfying the channel orthogonality constraint, allocation contiguity constraint, power constraint and scheduling time constraint ...
doi:10.18280/rces.080201
fatcat:3kbvqldkjvdgbcfbfolw62q46a
Review of Radio Resource Management For IMT-Advanced System
2015
Jurnal Teknologi
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
By controlling these RRM tools, we are able to maximize the number of users in the network and let the users experience the best Quality of Service (QoS) and throughput. ...
One of the key components for OFDMA is Radio Resource Management (RRM) which is used to manage radio resources for the air interface in a cellular network. ...
Acknowledgement The authors would like to thank the Ministry of Education for their research grant funding under RAGS/2012/FKEKK/TK06/1 B00007 and also Universiti Teknikal Malaysia Melaka for their support in ...
doi:10.11113/jt.v72.3925
fatcat:mf44shgfijdczi5mng37ymjrqi
Cross Layer Designs for OFDMA Wireless Systems with Heterogeneous Delay Requirements
2006
2006 IEEE International Conference on Communications
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
This paper investigates a cross layer scheduling scheme for OFDMA wireless system with heterogeneous delay requirements. ...
Simulation results also show the proposed jointly optimal power and subcarrier allocation policy can provide substantial throughput gain with all delay constraints being satisfied. I. ...
With the dynamic subcarrier and power allocation in OFDMA systems, the overall system throughput can be increased significantly. ...
doi:10.1109/icc.2006.255507
dblp:conf/icc/HuiLL06
fatcat:tvfsuu5yqbhw7howjikewwl7oq
Throughput-aware Resource Allocation for QoS Classes in LTE Networks
2015
Procedia Computer Science
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
These quality constraints limit the scheduling flexibility, and the LTE downlink resource allocating algorithms need to assimilate these constraints while trying to maximize system performance in terms ...
of fairness and throughput. ...
System Model In the present paper, OFDMA based 3GPP-LTE Downlink system with an E-UTRAN NodeB (eNB) (the base station in LTe networks) is considered. ...
doi:10.1016/j.procs.2015.07.344
fatcat:gpdlmo6vubbfvhn37btr6i4cl4
Fairness-aware radio resource management in downlink OFDMA cellular relay networks
2010
IEEE Transactions on Wireless Communications
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Therefore, this paper provides a comprehensive centralized RRM algorithm for downlink OFDMA cellular fixed relay networks in a way to ensure user fairness with minimal impact on network throughput. ...
The availability or lack thereof of efficient radio resource management (RRM) could make or mar the opportunities in these networks. ...
Between September 2007 and July 2009, he worked, as project technical manager, on Samsung's advanced radio resource management project for OFDMA-based relay-enhanced broadband wireless networks under the ...
doi:10.1109/twc.2010.05.081548
fatcat:mgemuvpc7favlbw5k2siqc44l4
Throughput Analysis of Band-AMC Scheme in Broadband Wireless OFDMA System
2009
EURASIP Journal on Wireless Communications and Networking
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
In broadband wireless Orthogonal Frequency Division Multiple Access (OFDMA) systems where a set of subcarriers are shared among multiple users, the overall system throughput can be improved by a band-AMC ...
In particular, the practical features of resource management for OFDMA system are carefully modeled within the current analytical framework. ...
in the broadband OFDMA system. ...
doi:10.1155/2009/147231
fatcat:nqfwb5krgnbjxhr7inn5kyhjki
Throughput analysis of band AMC scheme in broadband wireless OFDMA system
2006
IEEE Wireless Communications and Networking Conference, 2006. WCNC 2006.
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
In broadband wireless Orthogonal Frequency Division Multiple Access (OFDMA) systems where a set of subcarriers are shared among multiple users, the overall system throughput can be improved by a band-AMC ...
In particular, the practical features of resource management for OFDMA system are carefully modeled within the current analytical framework. ...
in the broadband OFDMA system. ...
doi:10.1109/wcnc.2006.1696475
dblp:conf/wcnc/KimK06
fatcat:4kwvzhzolfef7bca3awys6lemi
The Performance of Relay-Enhanced Cellular OFDMA-TDD Network for Mobile Broadband Wireless Services
2009
EURASIP Journal on Wireless Communications and Networking
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
We have demonstrated that network throughput gain by typical optical repeaters, which have a simple amplify-and-forwarding capability in a full-duplexing mode, could be minimal in open space subject to ...
Frequency Division Multiple Access-Time Division Duplexing (OFDMA-TDD) system. ...
Using system-level simulation, we derived insights toward understanding throughput and outage performance with a MultiHop relay system in a mobile wireless broadband network [7] .
Frame Structure. ...
doi:10.1155/2009/261815
fatcat:emmjppevibgjddwiuhepvcj4vy
Cross Layer Optimization For Fairness Balancing Based On Adaptively Weighted Utility Functions In Ofdma Systems
2007
Zenodo
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
In this paper, we formulate a framework of cross layer optimization based on Adaptively Weighted Utility Functions (AWUF) for fairness balancing in OFDMA networks. ...
The simulation results show that the proposed algorithm achieves high throughput while balancing the fairness among multiple users. ...
global energy constrained OFDMA networks with a known channel states of all users. ...
doi:10.5281/zenodo.1080510
fatcat:a6lhscbwjrentl3sdp2fjp27cm
A QoS Aware Resource Allocation Strategy for 3D A/V Streaming in OFDMA Based Wireless Systems
2014
The Scientific World Journal
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
Three-dimensional (3D) video is expected to be a "killer app" for OFDMA-based broadband wireless systems. ...
In the paper, the video-plus-depth 3D traffic type is considered. ...
These three constraints are used for throughput maximization. ( ≤ max ) (5) * = arg max , (6) , * ← 1, = ∪ { * } (7) ← ⌈ , ⌉ (8) ← + (9) ≥ th − Δ (10) ← − min ( , , ) (11) ← − max ( , − , 0) (12) (13) ...
doi:10.1155/2014/419236
pmid:25250377
pmcid:PMC4163317
fatcat:gc3ff5dqajhblfb6x45l5qteza
« Previous
Showing results 1 — 15 out of 467 results