radio resource management for wireless networks ppt

... Wireless Communications and Networking Volume 2011, Article ID 921623, 15 pages doi:10.1155/2011/921623 Research Article Interference-Aware Radio Resource Management for Local Area Wireless Networks Pekka ... in interference-limited wireless networks, ” Proceedings of the IEEE, vol. 95, no. 12, pp. 2393–2409, 2007. [11] J. Huang, R. A. Berry, and M. L. Honig, “Distributed inter- ference compensation for wireless networks, ” ... for resource allocation in shared computer systems,” DEC Research Report TR-301, September 1984. [2] B. Radunovi ´ c and J. Y. L. Boudec, “Rate performance objec- tives of multihop wireless networks, ”...

Ngày tải lên: 21/06/2014, 05:20

Ngày tải lên: 22/06/2014, 22:20

... effectively improve radio resource utility and system performance of the whole network. Keywords: radio resource management, public femtocell networks, resource utility, system performance 1. Introduction With ... 16 3. Radio resource management schemes 3.1. Long-term resource management: spectrum allocation between macrocell and public femtocells Spectrum 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 implement coordinated...

Ngày tải lên: 20/06/2014, 22:20

... Fiber Management for FTTP networks Advanced fiber management systems incorporate the latest techniques for optimizing access networks for accessibility and time required to reconfigure, perform ... costs, and provide top-notch customer service for the future. WHITE PAPER Addressing profitability challenges in Advanced Fiber Management for FTTP networks ... although there have been many advances in terms of management, density, and ease of access, the requirement for a technician to gain access for adds, moves, and testing is still necessary in...

Ngày tải lên: 21/12/2013, 07:17

... single connection/interface point. Contact product management or TAC for more information. X X Connectivity Solutions and Services for Wireless Networks Enabling Voice, VoIP, Messaging and IP Data ... Services for Wireless Networks Enabling Voice, VoIP, Messaging and IP Data ADC Solution Network Location MSC Hut/CEV/BSC Customer Premises/ Cell Site PowerWorx đ Platform PowerWorx platforms ... business strategy when it comes time for any future upgrades, where flexibility is crucial for ongoing success. For ‘Flexible Network’ network solutions, look to ADC for the copper and fiber infrastructure...

Ngày tải lên: 17/01/2014, 11:20

... dissemination in w ireless sensor networks with network coding,” aim at applying network coding in data dissemination problems which may arise in wireless sensor networks, such as software upgrades and ... in a sleep mode. Sleep scheduling is frequently used in wireless sensor networks as a means to save the battery, perhaps the most critical resource. The authors focus on the design of an effective ... strategy given a sleep scheduling information. P. Sadeghi et al. investigate the design of feedback- based adaptive network coding schemes for packet erasure networks in the last paper “An optimal...

Ngày tải lên: 21/06/2014, 05:20

... Bounds and Optimal Resource Allocation In the remainder of the paper, we will consider optimal resource allocation on the bounds obtained for the MBRC, that is, for hybrid wireless networks where ... Channel: A Building Block for Hybrid Wireless Networks Kyounghwan Lee, 1 Aylin Yener, 2 and Xiang He 2 1 Reverb Networks, 20099 Ashbrook Place, Suite 105, Ashburn, VA 20147, USA 2 Wireless Communications ... there are three cases for the max- min optimization (A.7) as given in Proposition 2. B. Optimal Resource Allocation Proof. We provide the proof for optimal resource allocation for (3, 2)-MBRC. To...

Ngày tải lên: 21/06/2014, 18:20

... needed for the lower-resolution image to get back to the original size. The other issue is the complexity for coordination for resource allocation. The optimization in (16)isperformed, and resource ... the resources and there are autonomous users that request resources in the network. Very recently, researchers start to explore the auction-theory-based solu- tions for resource allocation for ... destination, clearly to balance the resource allocation among source and relay nodes, and the resources used by the relays for each source are very critical for the overall network performance. We propose a...

Ngày tải lên: 21/06/2014, 20:20

... radio channel condition, i.e., the link is ii Radio Link Performance of Third Generation (3G) Technologies For Wireless Networks Gustavo Nader (Abstract) Third generation wireless ... illustrate the Radio Block structure for both cases, respectively [3GP00a]. data BCSUSF Radio Block rate 1/2 convolutional coding puncturing 456 bits Figure 3-1 - Radio Block structure for CS-1 ... the Radio Block is coded independently from the data, in order to ensure strong header protection. Three header formats are used: one for MCS-7, MCS-8 and ix correction for CS-1; CRC only for...

Ngày tải lên: 26/04/2013, 11:15

... participants have been given of resource management and the related environmental issues. For example, issues of water use, fisheries management and policy, forestry management, etc. were considered ... pilot extension workshops for farmers will be conducted with a focus on economically efficient natural resource management, where practical knowledge and skills in resource management will be demonstrated. ... mismanagement of natural resources, thus compromising sustainable development. The level of knowledge, understanding and use of the principles of natural resource economics (NRE) and management...

Ngày tải lên: 21/06/2014, 06:20

... decentralized wireless networks, ” IEEE Transactions on Wireless Communications, vol. 7, no. 12, pp. 5408–5419, 2008. [22]M.Ebrahimi,M.A.Maddah-Ali,andA.K.Khandani, “Throughput scaling laws for wireless networks ... power control for wireless ad hoc networks, ” IEEE Transactions on Wireless Communications, vol. 3, no. 1, pp. 74–85, 2004. [11] I. Katzela and M. Naghshineh, “Channel assignment schemes for cellular ... of wireless networks, ” IEEE Transactions on Information Theory,vol.46,no.2, pp. 388–404, 2000. [7] S. R. Kulkarni and P. Viswanath, “A deterministic approach to throughput scaling in wireless networks, ”...

Ngày tải lên: 21/06/2014, 08:20

... these profiles, a BS implements a RRA (radio resource agent), the difference being where the RRC (radio resource controller) is located. A RRA collects information on radio resources and supervises the ... users share radio resources. This sharing can be enabled through a simple mechanism where cell-edge users use radio resources first and the cell-interior users use the residual radio resources. This ... of PF scheduling. 8. Conclusion We have proposed a new RRM framework for wide- area wireless data networks that manages radio resources of cell-interior and cell-edge users separately. We believe that...

Ngày tải lên: 21/06/2014, 11:20

... protocols for sensor networks, ” Wireless Networks, vol. 8, no. 5, pp. 521–534, 2002. [22] X. Zhang, J. He, and Q. Wei, “An energy-efficient dynamic key management scheme in wireless sensor networks, ” ... requirement for wireless sensor networks while security must also be ensured for mission-critical applications. In this paper, we present an energy-efficient distributed deterministic key management ... Varshney, J. Katz, and A. Khalili, “A pairwise key predistribution scheme for wireless sensor networks, ” ACM Transactions on Information and System Security, vol. 8, no. 2, pp. 228–258, 2005. [12]...

Ngày tải lên: 21/06/2014, 11:20

... Work Proxy caching for media streaming over wired networks has been exploited for a long history [7]. Nowadays, as the rapid developmentofmultihopwirelessnetworkssuchaswireless mesh networks [1], ... router buffer management [22], energy improvement in wireless networks [23], data gossiping [24], as well as data dissemination in sensor networks [11] and in peer-to-peer networks [15]. For storage ... caching management of streaming data in multihop wireless networks. In this paper, we present the theoretical foundations of C 3 and a set of general rules for applying C 3 in the caching management. ...

Ngày tải lên: 21/06/2014, 17:20

... Fernando, “Particle swarm optimisers for cluster formation in wireless sensor networks, ” in Proceedings of the Intelligent Sensors, Sensor Networks and Informat ion Processing Conference, pp. ... PSO model for adaptive resource allocation in communication networks is pro- posed which can be applied for single layer and cross- layer optimizations. It consists of PSO with VPs [4 ]for centralized ... gener alized PSO model for adaptive resource allocation in communication networks has been proposed to reduce computational complexity in centralized and dis- tributed resource allocation scenarios....

Ngày tải lên: 21/06/2014, 17:20

... the overall system performance of self-organizing networks. Self- organizing networks can be independent infrastructureless ad hoc networks or they can also be an extension to cellular networks, where ... “The impact of different radio propagation models for mobile ad hoc NETworks (MANET) in urban area environment,” in Proceedings of the 2nd International Conference on Wireless Broadband and Ultra ... Corporation EURASIP Journal on Wireless Communications and Networking Volume 2009, Article ID 912018, 8 pages doi:10.1155/2009/912018 Research Article Analytical SIR for Self-Organizing Wireless Networks Abdurazak...

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Ngày tải lên: 22/06/2014, 19:20

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Ngày tải lên: 22/06/2014, 22:20

Ngày tải lên: 22/06/2014, 22:20