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Optimally Joint Subcarrier Matching and Power Allocation in OFDM Multihop System
2008
EURASIP Journal on Advances in Signal Processing
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In this paper, we propose an optimally joint subcarrier matching and power allocation scheme to further maximize the total channel capacity with the constrained total system power. ...
An analytical argument is given to prove that the two steps achieve the optimally joint subcarrier matching and power allocation. ...
To the best of our knowledge, the optimally joint subcarrier and power allocation scheme in OFDM multihop system has not been proposed. ...
doi:10.1155/2008/241378
fatcat:s6xwqztrmza53jatwj62zz5rvq
Correction to "Optimally Joint Subcarrier Matching and Power Allocation in OFDM Multihop System"
2010
EURASIP Journal on Advances in Signal Processing
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Therefore, the total channel capacity is not always monotonically increasing function of x k for the given power allocation, and (16) and (17) in [1] cannot be obtained. ...
It is observed that the denominators of (1) and (15) in [1] are the same and positive whereas the numerators are different. ...
doi:10.1155/2010/126230
fatcat:ukv6knx2vvairmcte24rw4f3ca
Joint Subcarrier Matching and Power Allocation for OFDM Multihop System
[chapter]
2010
Communications and Networking
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: (1) for every matching possibility (i.e., ρ ij is www.intechopen.com Joint Subcarrier Matching and Power Allocation for OFDM Multihop System 113 given), find the optimal power allocation and the total ...
1.4
1.45
1.5
www.intechopen.comJoint Subcarrier Matching and Power Allocation for OFDM Multihop System ...
doi:10.5772/10159
fatcat:466wrza34vhxljj7akgp7vgyri
Total Throughput Maximization of Two-Way Relay Networks Using Af Cooperative Protocol
2014
IOSR Journal of Engineering
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The joint optimization subcarrier pairing is implemented for the subcarrier allocation and relay selection. ...
Total throughput against transmit power per node and the number of relay nodes is evaluated through which the performance of the system is analyzed for different number of subcarriers. ...
The goal is to maximize the weighted sum rate of the system by jointly optimizing subcarrier pairing and power allocation on each subcarrier in each hop. ...
doi:10.9790/3021-04622933
fatcat:uofp2dtjuvhlpjyvuinidgy5hu
A Joint Resource Allocation Scheme for Relay Enhanced Multi-cell Orthogonal Frequency Division Multiple Networks
2013
KSII Transactions on Internet and Information Systems
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To maximize the transmit rate of system we propose a joint interference coordination, subcarrier and power allocation algorithm. ...
The second is to solve the problem that how to allocate power optimally in a certain subcarrier distribution order. ...
Yan, and S. Yang, "Optimally Joint Subcarrier Matching and Power Allocation in OFDM Multihop System," EURASIP Journal on Advances in Signal Processing, pp.1-5, 2009. Article (CrossRef Link) [2] J. ...
doi:10.3837/tiis.2013.02.007
fatcat:mqola5xe5zhdzmmmpwekym4xyi
Wireless Cooperative Networks
2008
EURASIP Journal on Advances in Signal Processing
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, separation theorems; multiterminal information theory; multihop communications; integration of wireless heterogeneous (long-and short-range) systems. ...
); device constraints (power, energy, multiple access, synchronization) and resource management; distributed processing for cooperative networks (e.g., distributed compression in wireless sensor networks ...
At the scheduling level, "Optimally joint subcarrier matching and power allocation in OFDM multihop system" by W. ...
doi:10.1155/2008/810149
fatcat:c6vwhztbpjaglnjnz2fsdpgvam
Resource Allocation in Relay-Aided OFDM Cognitive Radio Networks
2013
IEEE Transactions on Vehicular Technology
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1 An equal power-allocation strategy is adopted at the source and relay nodes. 0018-9545 ...
CONCLUSION In this paper, we have investigated the resource allocation problem in relay-aided OFDM CR networks. The SU's throughput is maximized via joint subcarrier pairing and power allocation. ...
Problem Formulation Our target is to jointly optimize power allocation at the SSN, power allocation at the SRN, and subcarrier pairing at the two hops such that the overall system throughput of the SU ...
doi:10.1109/tvt.2013.2259511
fatcat:ixnh4lhwpzf3zmrgcpl5hbkxy4
Channel and Relay Assignment Using Kruskal Algorithm in LTE Networks
2018
International Journal of Intelligent Engineering and Systems
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In particular, Kruskal algorithm is applied to solve radio resource allocation problem in wireless communication. Solution for joint optimization of carrier and relay is proposed in this work. ...
The paper deals with the study of throughput maximization by relay selection and assignment along with channel and subcarrier allocation. ...
Power allocation for secure communication [13] in cooperative networks and also joint power allocation for multi-relay OFDM system with less computational complexity are proposed [14] . ...
doi:10.22266/ijies2018.0630.30
fatcat:duzfql4iizaltjfypbm6snehx4
Cross-Layer Design in Wireless Mesh Networks
2008
IEEE Transactions on Vehicular Technology
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Moreover, cross-layer optimization schemes and algorithms between different protocol layers are investigated with an objective of shedding light on open research problems and new approaches. ...
Specific features pertaining to WMNs also show the need for cross-layer optimization across different protocol layers. In this paper, motivations for cross-layer design in WMNs are stated first. ...
In IEEE 802.16, the operation mode OFDMA provides an option of subcarrier allocation. In Qualcomm's Flash OFDM, subcarrier allocation is also supported. ...
doi:10.1109/tvt.2007.911615
fatcat:vmtyj6t4sbca3cmg3mmdag3fza
Jointly Optimal Channel Pairing and Power Allocation for Multichannel Multihop Relaying
2011
IEEE Transactions on Signal Processing
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We study the problem of channel pairing and power allocation in a multichannel multihop relay network to enhance the end-to-end data rate. ...
For the joint optimization of channel pairing and power allocation under both total and individual power constraints, we show that the problem can be decoupled into two subproblems solved separately. ...
We use an OFDM system as an example of a multi-channel system, and refer each subcarrier as a channel in this case. ...
doi:10.1109/tsp.2011.2161475
fatcat:d4cgiddfxrd5npnjtqvungalym
ARQ-based cross-layer optimization for wireless multicarrier transmission on cognitive radio networks
2008
Computer Networks
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The set of accurate objective functions that we derive in our GA implementation control the optimization process at the system level toward any QoS. ...
Recently, several research groups have presented promising preliminary results on the benefit of extending the cognitive process at the system level, capable of perceiving current network conditions and ...
Acknowledgments This work has been in part supported by DFG (Deutsche Forschungsgemeinschaft) and RWTH Aachen University through the UMIC excellence cluster funding. ...
doi:10.1016/j.comnet.2007.11.009
fatcat:pwg5ym7mf5frhbvpxvnh2a2oym
2013 Index
2014
IEEE Transactions on Wireless Communications
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-that appeared in this periodical during 2013, and items from previous years that were commented upon or corrected in 2013. ...
Note that the item title is found only under the primary entry in the Author Index. ...
Kashyap, Salil, +, TWC July 2013 3473-3483 Multi-Carrier Asynchronous Bi-Directional Relay Networks: Joint Subcarrier Power Allocation and Network Beamforming. ...
doi:10.1109/twc.2011.09.499-tw1401-index
fatcat:w5ya5mg3sbcodb2crtuaoyk3su
Wireless Resource Management and Resilience Optimization of the M2M-Oriented Mobile Communication System
2021
Journal of Sensors
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Aimed at the energy efficiency of M2M equipment and the channel capacity of H2H equipment, a multiobjective problem is constructed for joint spectrum and power resource management, and a weighted Chebyshev ...
Secondly, in view of the additional interference problems caused by the introduction of M2M communication, the intercell cooperative link selection algorithm is used to optimize its resilience. ...
After subcarriering the channel with OFDM, different subcarrier resources are allocated to different users to achieve multiple access. ...
doi:10.1155/2021/9596606
fatcat:sr3unj7rfrfdxlfcsezl7hng7u
A future radio-access framework
2006
IEEE Journal on Selected Areas in Communications
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Spectrum flexibility is identified as one main requirement for future systems, and the proposed framework can be deployed in a wide range of spectrum allocations with bandwidths ranging from 2.5 to 100 ...
for cross-layer optimization. ...
The radio-access framework presented in this paper supports a flexible system bandwidth for both uplink and downlink by adjusting the number of OFDM subcarriers, from 96 to 3840, as illustrated in Table ...
doi:10.1109/jsac.2005.862420
fatcat:7drl4gmp4bffrmtghsc4anrlbe
Fairness-aware radio resource management in downlink OFDMA cellular relay networks
2010
IEEE Transactions on Wireless Communications
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In contrast, it has been observed that pure opportunistic schemes and fairness-aware schemes relying solely on achievable and allocated capacities may not attain the desired fairness, e.g., proportional ...
The activities in many wireless standardization bodies and forums, for example IEEE 802.16 j/m and LTE-Advanced, attest to this fact. ...
[20] , and not by rearranging the optimal allocation, e.g., [9] . ...
doi:10.1109/twc.2010.05.081548
fatcat:mgemuvpc7favlbw5k2siqc44l4
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