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a two-step resource allocation algorithm in multicarrier based cognitive radio systems

a two-step resource allocation algorithm in multicarrier based cognitive radio systems

a two-step resource allocation algorithm in multicarrier based cognitive radio systems

... proposed PI -Algorithm which is an iterative power allocation algorithm aims to maximize the downlink totalcapacity of multicarrier based CR systems under both totalpower and maximum allowable interference ... Qin and C. Leung, “Fair adaptive resource allocation for multiuserOFDM cognitive radio systems, in Second International Conferenceon Communications and Networking in China (CHINACOM ’07), Aug.2007.[14] ... the FBMC as a candidate for a physical layer in thefuture CR system.VI. CONCLUSION A two-step subcarrier and power allocation algorithm in multiuser multicarrier based cognitive radio system...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article Resource Allocation in MU-OFDM Cognitive Radio Systems with Partial Channel State Information" potx

... Leung, “Fair adaptive resource allocation formultiuser OFDM cognitive radio systems, in Proceedingsof the 2nd International Conference on Communications andNetworking in China (ChinaCom ’07), ... D. Logan, and S. Patek, NonlinearProgramming, Athena Scientific, 1995.[24] D. Huang, Z. Shen, C. Miao, and C. Leung, “Fitness landscapeanalysis for resource allocation in multiuser OFDM based ... CRU transmission rate while maintaining a target BER performance on each subcarrier and satisfying PUinterference and total BS CRU transmit power constraints.LetBER[n] denote the average BER...
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Báo cáo hóa học:

Báo cáo hóa học: " An OFDMA resource allocation algorithm based on coalitional games" doc

... 2011:46http://jwcn.eurasipjournals.com/content/2011/1/46Page 12 of 13RESEARC H Open AccessAn OFDMA resource allocation algorithm based on coalitional gamesFarshad Shams1, Giacomo Bacci2*and Marco Luise2AbstractThis ... dividing a frequency-selective broadband channelinto a multitude of orthogonal narrowband flat-fadingsubchannels. An intelligent and scalable joint power andbandwidth allocation mechanism ... W Wang, Subcarrier allocation based on water-filling level in OFDMA -based cognitive radio networks, in Proceedings of theInternational Conference on Wireless Communications, Networking and...
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Báo cáo hóa học: " Research Article A Cross-Layer Approach in Sensing and Resource Allocation for Multimedia Transmission over Cognitive UWB Networks" docx

... between layers, and therefore, has attracted a lot of attentions in recent years. Cross-layer optimiza-tion methods can be categorized into application adapta-tion, application-centric adaptation, ... that optimal time slotfor optimal resource allocation to be assigned for sensingactivity and data transmission at the MAC layer. The impactof sensing activity is minimal on the multimedia ... 2005.2 EURASIP Journal on Wireless Communications and NetworkingApplicationadaptation“Black box”with fixedmodelDecision makerForwarding information (a) ApplicationcentricadaptationLayer lPHY...
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báo cáo hóa học:" Research Article FPSoC-Based Architecture for a Fast Motion Estimation Algorithm in H.264/AVC" doc

... baseaddress,and control unit waits for initialization of BRAM data for search passaddresses, BRAMinitialization completeS5: PUs and SCs compute SADs for search passaddresses, SADsS6: obtain min SAD ... state machine chart for the modified SUMH algorithm. the addresses of the candidate blocks and a flag indicatingthat BRAM initialization is complete. In state S5, theprocessing units and SAD ... have been based ondiverse FME algorithms.Rahman and Badawy in [16] and Byeon et al. in [17]base their works on UMHexagonS. In [14], Chen et al.propose a parallel, content-adaptive, variable...
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Báo cáo hóa học: " Research Article Other-Cell Interference Reducing Resource Allocation in OFDM-Based Asynchronous Cellular Systems" doc

... suboptimum allocation rule robustto the variation of these parameters.The WH codes have a property that each pair of adjacentchips with an odd index and an even index has opposite signsand the same ... ArticleOther-Cell Inter ference Reducing Resource Allocation in OFDM -Based Asynchronous Cellular Systems Jin-Woo Lee, June Moon, and Yong-Hwan LeeSchool of Electrical Engineering and INMC, Seoul National University, ... classified basically into two cat-egories according to the mitigation strategy of OCI: OCI av-eraging and OCI avoidance. OCI averaging schemes require a simple transceiver structure and can easily...
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Why Markets Could (But Don’t Currently) Solve Resource Allocation Problems in Systems pot

Why Markets Could (But Don’t Currently) Solve Resource Allocation Problems in Systems pot

... market -based resource allocation mechanisms, but we also see a num-ber of challenges that may hinder their applicability to systems. While there has been a general call for bet-ter resource allocation, ... misestimating resource need, since these bids are made in advance ofwhen the resources will actually be available. In order tomatch enough buyers with sellers, current market -based resource allocation ... develop markets that are less rigid in their clearing time frames, while still meeting socialgoals.Valuing Resources. Utility maximizing market mech-anisms are only as accurate as the values that...
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Báo cáo khoa học:

Báo cáo khoa học: "A Re-examination on Features in Regression Based Approach to Automatic MT Evaluation" pdf

... Corston-Oliver, Michael Gamon, and Chris Brockett. 2001. A machine learning approach to the automatic evaluation of machine translation. In Pro-ceedings of the 39th Annual Meeting of the Associa-tion ... Training a Sentence-Level Machine Translation Confidence Measure, In Pro-ceedings of LREC 2004, pages 825-828. Grazia Russo-Lassner, Jimmy Lin, and Philip Resnik. 2005. A Paraphrase -Based Approach ... Syntactic features for evaluation of machine translation. In ACL 2005 Workshop on Intrinsic and Extrinsic Evaluation Measures for Machine Translation and/or Summari-zation, pages 25-32, June. Christopher...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article Downlink Resource Allocation for Autonomous Infrastructure-based Multihop Cellular Networks" pdf

... transparent to the end-userterminals. In this case, the approach of adding repeaters in anautonomous manner and in a multihop structure becomes a scalable capacity enhancing technique for a ... spectrum alleviates thisbottleneck problem and results in a much larger capacity perBS. The out-of-band approach also has the attractive featurethat all terminals can be legacy terminals. With ... Advances in Signal Processingas the forwarding traffic. We also refer to the transmissionon the regular FDD bands as in- band forwarding, and thetransmission on an additional unlicensed band as out-of-band...
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ON CONSISTENCY CHECKING OF SPATIAL RELATIONSHIPS IN CONTENT-BASED IMAGE DATABASE SYSTEMS potx

ON CONSISTENCY CHECKING OF SPATIAL RELATIONSHIPS IN CONTENT-BASED IMAGE DATABASE SYSTEMS potx

... (a) and (b). At Step(c), INSIDE+= {A inside B, D inside C} and CONTAINS+= {B contains A, C contains D}.Then M in ∗ Mabove2= {A above C}, since A above C :: A inside B, B above C.Mabove2∗ ... {B above D, A above D}, sinceB above D :: B above C, C contains D, A above D :: A above C, C contains D.And M in ∗ Mabove2∗ Mco= {A above D}, sinceSPATIAL RELATIONSHIPS IN CONTENT -BASED ... E)},MTabove∗ GTabove= {A above D, C above F, A above F }. In fact, we can have the following derivations for A above D, C above F, and A aboveF in MTabove∗ GTabove. A above D :: A above...
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