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On the Power Assignment Problem in Radio Networks

Andrea E.F. Clementi, Paolo Penna, Riccardo Silvestri
2004 Journal on spesial topics in mobile networks and applications  
Given a finite set S of points (i.e. the stations of a radio network) on a d-dimensional Euclidean space and a positive integer 1 h |S| − 1, the MIN d D h-RANGE ASSIGNMENT problem consists of assigning  ...  Two main issues related to this problem are considered in this paper: the trade-off between the power consumption and the number of hops; the computational complexity of the MIN d D h-RANGE ASSIGNMENT  ...  Because of interference problems, this is the typical situation in radio networks adopted in practice [17, 18] .  ... 
doi:10.1023/b:mone.0000013624.32948.87 fatcat:othlsmyy2rfv3mutgxbhqgy5ky

The Power Range Assignment Problem in Radio Networks on the Plane [chapter]

Andrea E. F. Clementi, Paolo Penna, Riccardo Silvestri
2000 Lecture Notes in Computer Science  
Given a finite set S of points (i.e. the stations of a radio network) on the plane and a positive integer 1 ≤ h ≤ |S| − 1, the 2d Min h R.  ...  Assign. problem consists of assigning transmission ranges to the stations so as to minimize the total power consumption provided that the transmission ranges of the stations ensure the communication between  ...  Acknowledgments Part of this work has been done while the authors were visiting the research center of INRIA Sophia Antipolis, partially supported by the INRIA project COMMOBIL.  ... 
doi:10.1007/3-540-46541-3_54 fatcat:5o6ufcheubcilgj2adqji6m3ym

Channel Assignment Using Topology Control Based on Power Control in Wireless Mesh Networks [chapter]

Aizaz U., Roshdy H.M.
2012 Wireless Mesh Networks - Efficient Link Scheduling, Channel Assignment and Network Planning Strategies  
So, the problem of TC in multi-radio WMNs involves the selection of transmission power for each radio interface of each mesh node in the network, so as to maintain the network connectivity with the use  ...  The channel assignment problem is presented in this section with respect to multi-radio multi-channel wireless mesh network.  ...  enhancement in the overall network throughput.  ... 
doi:10.5772/39262 fatcat:4w34ndjwozb6ri4fv4v2r3uvpi

User Allocation Algorithm with Rate Guarantees for Multi-Rate Mobile Networks with Backhaul Constraints

Hiram Galeana, Anna Lainz, Ramon Ferrus
2009 VTC Spring 2009 - IEEE 69th Vehicular Technology Conference  
The optimization of the base station (BS) Thus, an assignment procedure which is based on radio assignment problem in mobile access networks is a primary task parameters may assign users to base stations  ...  The BS assignment problem or user allocation  ...  The problem consist in assigning users to base users' connectivity to the network play an important role in stations so that its rate requirement can be fully satisfied, the radio resource management (  ... 
doi:10.1109/vetecs.2009.5073896 dblp:conf/vtc/GaleanaLF09 fatcat:qhut6lxnsrhsne3lmap35cxceu

Learning Automata Based Channel Assignment with Power Control in Multi-Radio Multi-Channel Wireless Mesh Networks

Beheshtifard Z, Meybodi MR
2016 Journal of Telecommunications System & Management  
Wireless channel assignment is one of the major challenging issues in multi hop wireless mesh networks (WMN) when there is the need to design them in a distributed fashion, specifically for multi-radio  ...  According to dynamics of system, the proposed algorithm assigned channels and powers to radio interface such that it minimized interference in the neighborhood of a node.  ...  Channel and Power Assignment Problem A node in wireless mesh networks needs to share a common channel with its neighbors.  ... 
doi:10.4172/2167-0919.1000139 fatcat:dz64tbjjurhqrkjo75stobbhym

Optimized traffic flow assignment in multi-homed, multi-radio mobile hosts

Vassilis E. Zafeiris, E.A. Giakoumakis
2011 Computer Networks  
We study the problem of traffic flow assignment in a mobile node, multi-homed through a set of different technology radio interfaces.  ...  We provide an analytical formulation for the problem and prove its hardness through transformation from the Multiple Knapsack Problem with Assignment Restrictions.  ...  Special thanks need to be attributed to Lecturer Evangelos Markakis for the useful discussions we had on the proof of the Traffic Flow Assignment Problem's complexity.  ... 
doi:10.1016/j.comnet.2010.11.003 fatcat:puqwojrbwbaxpivnoswnjepmd4

Radio resource management in wireless LANs

A. Hills, B. Friday
2004 IEEE Communications Magazine  
Acknowledgments The authors wish to thank Airespace, Inc. (http://www. airespace.com) for allowing information about their product to be included in this article.  ...  As described above, the performance of a network depends, in part, on the assignment of radio channels to APs.  ...  In fact, network personnel may be dependent on users to notify them of some types of problems.  ... 
doi:10.1109/mcom.2004.1367553 fatcat:4mtfesshkbdm7fx7h6qr7hiomq

An overview of topology control mechanisms in multi-radio multi-channel wireless mesh networks

Fang Liu, Yong Bai
2012 EURASIP Journal on Wireless Communications and Networking  
This article presents an overview of TC mechanisms in the existing literature with emphasis on the mutual dependence of TC on other networking issues such as power control, channel assignment, routing,  ...  This evolution poses new challenges on network design. Specifically, topology control (TC), one of the fundamental research topics in WMNs, has also received extensive attention in MR-MC WMNs.  ...  In [37] , the authors consider the CA problem in a multi-radio WMN that involves assigning channels to radio interfaces for achieving efficient channel utilization.  ... 
doi:10.1186/1687-1499-2012-324 fatcat:tffhsyl45felflkidsiavdqn5u

CHANNEL ASSIGNMENT ALGORITHM BASED ON INTERFERENCE REDUCTION FOR MULTI-RADIO MULTI-CHANNEL WIRELESS MESH NETWORKS

Jatinder Singh Saini
2018 International Journal of Advanced Research in Computer Science  
This model solves the static channel assignment problem in MRMC WMN by calculating the interference on each link.  ...  The rest of the paper has been structured as follows. In section II an overview of the related work has been given. In section III channel assignment problem has been analyzed.  ... 
doi:10.26483/ijarcs.v9i1.5530 fatcat:ycp6qcrabfbrplxv6yxswqcdaa

Analyzing Selfish Topology Control in Multi-Radio Multi-Channel Multi-Hop Wireless Networks

R. S. Komali, A. B. MacKenzie
2009 2009 IEEE International Conference on Communications  
We take an alternative approach of controlling the topology of a network purely by assigning channels to multiple radio interfaces on nodes.  ...  Specifically, we exploit the synergy between topology control and channel allocation to reduce the overall interference in multi-radio multi-channel wireless ad hoc networks.  ...  as a channel assignment problem that assigns channels to radio interfaces taking the network-wide interference and connectivity goals into account.  ... 
doi:10.1109/icc.2009.5198750 dblp:conf/icc/KomaliM09 fatcat:7aebvya2ybahbfz5yfkwuub7oy

A Channel Assignment and Routing Algorithm for Energy Harvesting Multiradio Wireless Mesh Networks

Stefano Avallone, Albert Banchs
2016 IEEE Journal on Selected Areas in Communications  
Thus, the problem we address is a joint channel assignment and routing problem with additional constraints on the node power consumption, which is NP-complete.  ...  Index Terms-multi-radio wireless mesh networks, energy efficiency, channel assignment  ...  In the first stage, channels are assigned to radios being turned on in order to maximize the network performance, while satisfying the node power constraints.  ... 
doi:10.1109/jsac.2016.2520238 fatcat:qqg6ogu7hndvnmtbp53f7i6shi

Minimising cell transmit power

David López-Pérez, Xiaoli Chu, Athanasios V. Vasilakos, Holger Claussen
2011 Proceedings of the ACM SIGCOMM 2011 conference on SIGCOMM - SIGCOMM '11  
With the introduction of femtocells, cellular networks are moving from the conventional centralised architecture to a distributed one, where each network cell should make its own radio resource management  ...  In this paper, we first introduce a simple self-organisation rule under which a distributed cellular network is able to converge into an efficient resource allocation pattern, then propose a novel resource  ...  Since network simplex runs fast, RB and power allocations to users can be updated on a millisecond basis (dealing with fast channel variations), while the MCS assignment can be updated in a half-second  ... 
doi:10.1145/2018436.2018494 dblp:conf/sigcomm/Lopez-PerezCVC11 fatcat:awjtnqh5xndgdbucdqtmroba54

Minimising cell transmit power

David López-Pérez, Xiaoli Chu, Athanasios V. Vasilakos, Holger Claussen
2011 Computer communication review  
With the introduction of femtocells, cellular networks are moving from the conventional centralised architecture to a distributed one, where each network cell should make its own radio resource management  ...  In this paper, we first introduce a simple self-organisation rule under which a distributed cellular network is able to converge into an efficient resource allocation pattern, then propose a novel resource  ...  Since network simplex runs fast, RB and power allocations to users can be updated on a millisecond basis (dealing with fast channel variations), while the MCS assignment can be updated in a half-second  ... 
doi:10.1145/2043164.2018494 fatcat:l4k4uk6ajfappphxrorxzbj5xi

A cross-layer optimization framework for joint channel assignment and multicast routing in multi-channel multi-radio wireless mesh networks

Mohsen Jahanshahi, Mehdi Dehghan, Mohammad Reza Meybodi
2016 International Journal of Computer Mathematics  
: channel assignment at the MAC layer, routing at the network layer, and power control at the physical layer.  ...  Existing literature on multicast routing protocols in wireless mesh networks (WMNs) from the view point of the links involved in routing are divided into two categories: schemes aiming at the NP-hard problem  ...  In this case, the network sub-problem is one of convex optimization which can be solved in polynomial time order [53] .  ... 
doi:10.1080/00207160.2016.1227431 fatcat:234hf6y67vgx7bzjg44dpzr7ci

Maximizing Spectrum Utilization of Cognitive Radio Networks Using Channel Allocation and Power Control

Anh Hoang, Ying-chang Liang
2006 IEEE Vehicular Technology Conference  
As the spectrum of interest is licensed to another (primary) network, power and channel allocation must be carried out within the cognitive radio network so that no excessive interference is caused to  ...  We are interested in spectrum-allocation/power-control schemes that maximize the spectrum utilization of the cognitive network while appropriately protecting primary users.  ...  CONCLUSIONS In this paper, we consider the problem of channelallocation/power-control to maximize the spectrum utilization of a cognitive radio network that employs opportunistic spectrum access.  ... 
doi:10.1109/vtcf.2006.257 dblp:conf/vtc/HoangL06 fatcat:aw6gwnm3cfbohlv2s4z5pm72ey
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