radio resource management for heterogeneous wireless access networks
Báo cáo hóa học: " Research Article Interference-Aware Radio Resource Management for Local Area Wireless Networks" ppt
... Wireless Communications and NetworkingVolume 2011, Article ID 921623, 15 pagesdoi:10.1155/2011/921623Research ArticleInterference-Aware Radio Resource Management for Local Area Wireless Networks Pekka ... cited.Interference-aware multiple access is an enabler to cost-efficient and reliable high data-rate local area wireless access. In this paper,we propose an interference-aware radio resource management scheme ... for resource allocation in sharedcomputer systems,” DEC Research Report TR-301, September1984.[2] B. Radunovi´c and J. Y. L. Boudec, “Rate performance objec-tives of multihop wireless networks, ”...
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Báo cáo hóa học: " Radio resource management for public femtocell networks" docx
... effectively improve radio resource utility and system performanceof the whole network.Keywords: radio resource management, public femtocell networks, resource utility, system performance1. IntroductionWith ... 16 3. Radio resource management schemes3.1. Long-term resource management: spectrumallocation between macrocell and public femtocellsSpectrum is one of the most important resources for wireless ... K = 12).4.3. Fast resource management In addition to the simulation results of the medium-term resource management, we further evalua te the per-formance of fast resource management. We implementcoordinated...
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Báo cáo hóa học: " Effective Radio Resource Management for Multimedia Broadcast/Multicast Services in UMTS Networks" ppt
... CorporationEURASIP Journal on Wireless Communications and NetworkingVolume 2006, Article ID 70903, Pages 1–12DOI 10.1155/WCN/2006/70903Effective Radio Resource Management for MultimediaBroadcast/Multicast ... the key issues in multicast transmission is the management of radio resources. The main requirement is tomake an efficient overall usage of the radio resources. Thismakes the use of a common channel ... power for 16-QAM strong and weakblocks of bits (SF= 32), k = 0.5. for VehA (actually the 90% coverage for weak bocks is notachievable for the later propagation channel with a singleradio...
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Báo cáo hóa học: " Research Article Intercell Radio Resource Management through Network Coordination for IMT-Advanced Systems Young-June Choi,1 Narayan Prasad,2 and Sampath " doc
... theseprofiles, a BS implements a RRA (radio resource agent), thedifference being where the RRC (radio resource controller)is located. A RRA collects information on radio resourcesand supervises the ... users share radio resources. This sharing can be enabled through a simplemechanism where cell-edge users use radio resources firstand the cell-interior users use the residual radio resources.This ... of PFscheduling.8. ConclusionWe have proposed a new RRM framework for wide-area wireless data networks that manages radio resourcesof cell-interior and cell-edge users separately. We believethat...
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Báo cáo hóa học: " Research Article A Fast Network Configuration Algorithm for TDMA Wireless Sensor Networks" pot
... 5: Mean tree depth for Case C and Case D.performance and help us foresee how such performancewould scale to larger networks. 6.1. System Configuration. The experimental platform wasdeveloped ... improve the performance ofCSMA/CA. For instance, Sift is a medium access controlwhich was introduced in [8]. It makes use of a fixed-size contention window and nonuniform probabilities for selecting ... observethe performance of the proposed protocol under differentscenarios. For our performance study, we implemented theSA-MAC and 2C-WSN protocols using OMNeT++ and theproject Castalia [15]. For comparison...
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Báo cáo hóa học: " Research Article Secure Clustering and Symmetric Key Establishment in Heterogeneous Wireless Sensor Networks Reza Azarderskhsh and Arash Reyhani-Masoleh" pdf
... in all -wireless networks, ” Wireless Networks, vol.11, no. 1-2, pp. 177–188, 2005.[26] G. Jolly, M. C. Kuscáu, P. Kokate, and M. F. Younis, “A lowen-ergy key management protocol for wireless ... scheme for heterogeneous sensor networks, ” AdHoc Networks, vol. 5, no. 1, pp. 24–34, 2007.[28] F. Kausar, S. Hussain, L. T. Yang, and A. Masood, “Scalable andefficient key management for heterogeneous ... Qian, M. Guizani, and H H. Chen, “A framework for a distributed key management scheme in heterogeneous wireless sensor networks, ” IEEE Transactions on Wireless Communications, vol. 7, no. 2, pp....
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Báo cáo hóa học: " Research Article Efficient Public Key Certificate Management for Mobile Ad Hoc Networks" potx
... relay (mpr) extension for ad hoc networks, ” IETFRequest for Comments: 5449, February.[9] B. Mans and N. Shrestha, “Performance evaluation of approx-imation algorithms for multipoint relay selection,” ... networks, ”Journal of Com-munications and Networks, vol. 11, no. 5, pp. 509–517, 2009.[20] S. Capkun, L. Buttyan, and J. P. Hubaux, “Self-organizedpublic key management for mobile ad hoc networks, ” ... ad-hoc networks, ” Computer Communi-cations, vol. 30, no. 7, pp. 1498–1512, 2007.[23] R. Li, J. Li, P. Liu, and H H. Chen, “On-demand public-key management for mobile ad hoc networks, ” Wireless Communications...
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Báo cáo hóa học: "Research Article Admission Control and Interference Management in Dynamic Spectrum Access Networks" pot
... IntroductionCognitive radio networks are envisaged as the key technologyto realize dynamic spectrum access (DSA). Such paradigmshift in wireless communications aims at solving the scarcityof radio spectrum ... I.F.Akyildiz,W Y.Lee,M.C.Vuran,andS.Mohanty,“NeXtgeneration/dynamic spectrum access/ cognitive radio wireless networks: a survey,” Computer Networks, vol. 50, no. 13, pp.2127–2159, 2006.[3] S. S. C. (SSC), ... calladmission control in cellular networks, ” Wireless Networks, vol. 3, no. 1, pp. 29–41, 1997.[11] A. Ghasemi and E. S. Sousa, “Spectrum sensing in cognitive radio networks: requirements, challenges...
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Báo cáo hóa học: " Research Article Optimal and Fair Resource Allocation for Multiuser Wireless Multimedia Transmissions" ppt
... resource required to achieverth. Fortunately again there are severalsolutions available for different scenarios. For example, in[20]agenericprocedure,CLARA,waspresentedforcross-layer resource ... all users compete for resources accordingto the criteria that the Highest Quality Improvement theHighest Possibility Resources (HQIHPR) [2]. Using KSBS,users compete for resources to make ... Ratios (PSNRs) in rateallocation for collaborative video transmissions [1]. Optimal resource allocation for multiuser wireless transmissions isstudiedin[2] from an information theoretic perspective,...
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Báo cáo hóa học: " Research Article An Efficient Multibit Aggregation Scheme for Multihop Wireless Sensor Networks" pptx
... 0.80.85 0.90.95Precision of sensorsPD for 2-CVPF for 2-CVPD for CV-VTPF for CV-VTPD for CV-FTPF for CV-FTPD for WASPF for WASPD for CountingPF for CountingFigure 8: Numerical plots ... (majority rule) to performreasonably well. However, WAS and the proposed q-CVfusion rule are independent of the link cost used for treeformation since they perform equally well for unbalancedtrees. ... node.Computation of performance indicesHere we show how the performance indices Pimn,foranynode Si, can be computed when the performance indices,pimnof its observation and the performance indices...
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Báo cáo hóa học: "Research Article QoS Differentiated and Fair Packet Scheduling in Broadband Wireless Access Networks" ppt
... IntroductionWith the rapid growth of demands on wireless multimediaapplications and wireless data services, it is expected thatbroadband wireless access (BWA) networks should be able tosupport high-speed, ... packet scheduling algorithms for wireless multimedia networks are required to concurrentlyachieve three performance objectives: QoS differentiationand guarantee, wireless bandwidth utilization ... difficult for traditional heuristic scheduling algorithms to handle the situation and guarantee satisfying performance inBWA networks. In this paper, we introduce learning-based approach for a better...
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Báo cáo hóa học: " Research Article Power and Resource Allocation for Orthogonal Multiple Access Relay Systems" pptx
... regenerative decode-and-forward (RDF),nonregenerative decode-and-forward (NDF), amplify-and-forward (AF), and compress-and-forward (CF). For RDF and NDF weshow that the problem can be formulated as a ... channel resource sharingparameter r.In addition to the desirable property in Proposition 1, for any given channel resource allocation and for anyfeasible R2,tar, a closed-form solution for the ... have shown that for a given resource allocation,a closed-form solution for the optimal power allocationcan be obtained. These results mean that we can determinethe optimal value for r using a...
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Báo cáo hóa học: " Research Article Scalable Coverage Maintenance for Dense Wireless Sensor Networks" doc
... both homogeneous and hetero-geneous sensor networks. For homogeneous networks, SR isfixed at 10 m. For heterogeneous networks, a sensor’s SR isuniformly chosen from three possible values: 5 ... coverage-preserving nodescheduling scheme for large wireless sensor networks, ” in Pro-ceedings of the 1st ACM International Workshop on Wireless Sensor Networks and Applications (WSNA ’02), pp. ... on Wireless Sensor Networks and Applications(WSNA ’03), pp. 115–121, San Diego, Calif, USA, September2003.[6] T. Yan, T. He, and J. A. Stankovic, “Differentiated surveil-lance for sensor networks, ”...
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Báo cáo hóa học: " Research Article Code Design for Multihop Wireless Relay Networks" pptx
... pagesdoi:10.1155/2008/457307Research ArticleCode Design for Multihop Wireless Relay Networks Fr´ed´erique Oggier and Babak HassibiDepartment of Electr ical Engineering, California Institute of Technology, Pasadena ... multiple -access communication,” to appear in IEEE Transactions on Informa-tion Theory.[8] Y. Jing and H. Jafarkhani, “CTH17-1: using orthogonaland quasi-orthogonal designs in wireless relay networks, ” ... on Information Theory (ISIT ’06),pp.542–546, Seattle, Wash, USA, September 2006.[10] F. Oggier and B. Hassibi, “An algebraic family of distributedspace-time codes for wireless relay networks, ”...
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Báo cáo hóa học: " Editorial Radio Resource Management in 3G+ Systems Alagan Anpalagan,1 Rath Vannithamby,2 Weihua " potx
... committee for major wireless communication conferences. His research inter-ests are in the area of radio resource management techniques andMAC and signaling layer protocols for high-speed wireless- access networks ... communication, mobile networks, and system per-formance analysis; and in particular QoS-aware radio resource management, joint study of wireless physical/link layer character-istics, cross-layer resource ... ra-dio resources. With the required support for multimedia ser-vices to multiple users over diverse wireless networks and theever-increasing demand for high-quality wireless services,the need for...
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