Báo cáo hóa học: " Research Article Resource Allocation with Adaptive Spread Spectrum OFDM Using 2D Spreading for Power Line Communications" doc
Báo cáo hóa học: " Research Article Resource Allocation with Adaptive Spread Spectrum OFDM Using 2D Spreading for Power Line Communications" doc
... ProcessingVolume 2007, Article ID 20542, 13 pagesdoi:10.1155/2007/20542 Research Article Resource Allocation with Adaptive Spread Spectrum OFDM Using 2D Spreading for Power Line CommunicationsJean-Yves ... principles to an spread spectrum OFDM (SS -OFDM) waveform which i s a multicarrier system using 2D spreading in the time and frequency domains. The presented al-gorithm handles the subcarriers, spreading ... throughput. For these highchannel attenuations, the optimal frequency spreading factoris around 64.Figure 10 gives results with both time and frequencyspreadings, that is, with 2D spreading. ...
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Báo cáo hóa học: " Research Article Resource Allocation for Overlapping MBS Zones" potx
... resource allocation and reallocation algorithms for overlapping MBS Zones. In initialization, the Anchor ASN-GW uses the radio resource allocation algorithm to allocateradio resource unit for ... graph.Therefore, the resource allocation for these topologies isidentical. In other words, the resource allocation in overlap-ping MBS Zones is to deal with the coloring problem for Nonisomorphic ... nonisomorphic graphs with different edges for a given number of MBS Zones. Thenumber of radio resource units required for each noniso-morphic graph can then be determined by using the resource allocation...
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Báo cáo hóa học: " Research Article Resource Allocation in MU-OFDM Cognitive Radio Systems with Partial Channel State Information" potx
... NetworkingVolume 2010, Article ID 189157, 8 pagesdoi:10.1155/2010/189157 Research Article Resource Allocation in MU -OFDM Cognitive Radio Systems with Partial Channel State InformationDong Huang,1Zhiqi ... [7–10]: (1) determine the allocation of subcarriers to users and(2) determine the allocation of bits and transmit powers tosubcarriers. Resource allocation algorithms for MU -OFDM systems have been ... seen that Rs for λ = [1 1 1 1] is larger than for λ = [1 1 1 4], and Rs for λ = [1 1 1 4] is larger than for λ = [1 1 1 8]. Whenthe bit rate requirements for CRUs become less uniform, Rsdecreases...
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báo cáo hóa học:" Research Article Resource Allocation for the Multiband Relay Channel: A Building Block for Hybrid Wireless Networks" ppt
... 3.Specifically, for (3, 2)-MBRC, we plot the capacity lowerbound (LB) obtained by optimal resource allocation as wellas the capacity upper bound (UB) with the same resource allocation parameters. For comparison ... and NetworkingVolume 2010, Article ID 792410, 13 pagesdoi:10.1155/2010/792410 Research Article Resource Allocation for the Multiband Relay Channel:A Building Block for Hybrid Wireless NetworksKyounghwan ... 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...
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Báo cáo hóa học: " Research Article Resource Partitioning with Beamforming for the Decode-Forward Relay Networks" ppt
... μ∈(0, 1] into 10 uniform length regions, the quantized valuesof which are tested for the maximum mutual information with appropriate power allocation as in Section 3. For thebeamforming, the angle ... method with different power constraints depending on the time slot divi-sion and CSI. The best time slot division with the maximummutual information is searched along with the power allo-cation for ... slot and power partitioning schemealong with a beamforming strategy for the network with multiple DF relays possibly with multiple antennas at thesource or destination. Based on the CSI information,...
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báo cáo hóa học:" Research Article Quasigauge Spaces with Generalized Quasipseudodistances and Periodic Points of Dissipative Set-Valued Dynamic Systems" docx
... formTx⎧⎪⎪⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎪⎪⎩{1} for x 00,1/2x for x ∈0, 1/2{0, 1} for x 3/4{0, 3/4} for x 1.5.520 Fixed Point Theory and ApplicationsIndeed, we have that, for each q 2,Tqx⎧⎪⎪⎪⎨⎪⎪⎪⎩{1}if ... convergence theorems for dissipativeset-valued dynamic systems with generalized pseudodistances in cone uniform and uniform spaces,”Fixed Point Theory and Applications, vol. 2010, Article ID 864536, ... thatT2x⎧⎪⎪⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎪⎪⎩{0, 3/4} for x 00,1/4x∪{1} for x ∈0, 1/2{0, 3/4, 1} for x 3/4{0, 1} for x 1.5.922 Fixed Point Theory and Applications35...
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Báo cáo hóa học: " Research Article Efficient Key Agreements in Dynamic Multicast Height Balanced Tree for Secure Multicast Communications in Ad Hoc Networks" doc
... therefore, it requires high CPUand memory capabilities to p erform exponential operations.Unfortunately, mobile nodes with limited resources haveinsufficient power to handle the overhead. Therefore, ... size 160-bit in the ECC performscomparable security levels to 1024-bit RSA. The ECC hasefficient operation and is indeed practicable for wirelessnetworks with limited resources.An elliptic curve ... 7, along with recommendations for future research. 2. Related Security Aspects of Secure MulticastCommunications inAd HocNetworksThe role of multicasting as a scalable solution for groupcommunication...
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Báo cáo hóa học: " Research Article Practical Approaches to Adaptive Resource Allocation in OFDM Systems" docx
... implementation of adaptive resource allocation in OFDMA is a disjoint sub-carrier, power, and bit allocation. Herein, we further sim-plify the optimization problem and restrict adaptive resource allocation ... Communications and NetworkingVolume 2008, Article ID 160307, 10 pagesdoi:10.1155/2008/160307 Research Article Practical Approaches to Adaptive Resource Allocation in OFDM SystemsN. Y. Ermolova and B. ... solution for another one. Therefore,without loss of generality we concentrate on the margin-maximization problem in this paper. For last years, the problem of adaptive resource alloca-tion in OFDM...
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Báo cáo hóa học: " Research Article Resource Sharing via Planed Relay for HWN∗" pptx
... servicesStage I + Investigation on places without infrastruc-ture supportBasic infrastructureBSON, BSON with RN, MANET with RNBSON, BSON with RN, MANET with RN andMANETRouting issuesBS switch ... with common or different sets of transmissionresources for its links and homogeneous relay node that usesthe same radio access technology and mode in a commonset of transmission resources for ... noninterfering spectrums form a network relaylink with multiple orthogonal bands. Multiple nodes withinrange of each other may also transmit simultaneously ondifferent channels without relying...
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Báo cáo hóa học: " Research Article Budget Allocation in a Competitive Communication Spectrum Economy" pdf
... individual optimality in dynamic spectrum management. He proved that a competitive equilibriumalways exists for the communication spectrum market with Shannon utility for spectrum users, and under ... requirementsalways exists for the communication spectrum market with Shannon utility if the total power demand is less than orequal to the available total power supply. A competitiveequilibrium with identical ... factor s (power supply) toachieve a better social solution while maintaining individualsatisfaction. That is, how to set the power supply capacityforeachchanneltomakespectrumpowerallocationmoreefficient...
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Từ khóa: Báo cáo quy trình mua hàng CT CP Công Nghệ NPVchuyên đề điện xoay chiều theo dạngNghiên cứu tổ hợp chất chỉ điểm sinh học vWF, VCAM 1, MCP 1, d dimer trong chẩn đoán và tiên lượng nhồi máu não cấpGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANQuản lý hoạt động học tập của học sinh theo hướng phát triển kỹ năng học tập hợp tác tại các trường phổ thông dân tộc bán trú huyện ba chẽ, tỉnh quảng ninhPhát triển mạng lưới kinh doanh nước sạch tại công ty TNHH một thành viên kinh doanh nước sạch quảng ninhPhát hiện xâm nhập dựa trên thuật toán k meansNghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chếNghiên cứu tổng hợp các oxit hỗn hợp kích thƣớc nanomet ce 0 75 zr0 25o2 , ce 0 5 zr0 5o2 và khảo sát hoạt tính quang xúc tác của chúngNghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000Thiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíQuản lý nợ xấu tại Agribank chi nhánh huyện Phù Yên, tỉnh Sơn La (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIĐổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt nam