Báo cáo hóa học: " FPGA-Based Communications Receivers for Smart Antenna Array Embedded Systems" pptx

Báo cáo hóa học: " FPGA-Based Communications Receivers for Smart Antenna Array Embedded Systems" pptx

Báo cáo hóa học: " FPGA-Based Communications Receivers for Smart Antenna Array Embedded Systems" pptx

... enhance the performance and reduce the power consumption for Altera -FPGA-based embedded wireless receivers. We found that smart antenna array receiver algo- rithms, for example, beamforming (BF) ... Systems Volume 2006, Article ID 81309, Pages 1–13 DOI 10.1155/ES/2006/81309 FPGA-Based Communications Receivers for Smart Antenna Array Embedded Systems Constantin S...

Ngày tải lên: 22/06/2014, 22:20

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Báo cáo hóa học: "An Overview of Reconfigurable Hardware in Embedded Systems" pptx

Báo cáo hóa học: "An Overview of Reconfigurable Hardware in Embedded Systems" pptx

... constraints of embedded systems pose a serious challenge to embedded systems designers. Reconfigurable hardware can provide a flexible and efficient platform for satisfying the area, performance, cost, ... instruction generation for non-real-time systems are discussed in more depth in Section 6.2. 4.4. Design security High-quality hardware cores for embedded systems are ex- tremely us...

Ngày tải lên: 22/06/2014, 22:20

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Báo cáo hóa học: "Amplify-forward relaying for multiple antenna multiple relay networks under individual power constraint at each relay EURASIP Journal on Wireless Communications and " doc

Báo cáo hóa học: "Amplify-forward relaying for multiple antenna multiple relay networks under individual power constraint at each relay EURASIP Journal on Wireless Communications and " doc

... distributed freely for any purposes (see copyright notice below). For information about publishing your research in EURASIP WCN go to http://jwcn.eurasipjournals.com/authors/instructions/ For information ... η for 2 and 4 relay networks, respectively. The simulation is performed for different channel realizations considering the transmitted SNR (TSNR) is set to 12 dB. It can be...

Ngày tải lên: 21/06/2014, 23:20

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Báo cáo hóa học: " Interference mitigation techniques for clustered multicell joint decoding systems" docx

Báo cáo hóa học: " Interference mitigation techniques for clustered multicell joint decoding systems" docx

... (Eq. (3) for global MJD, Eq. (18) for IA, Eqs. (27) and (31) for RDMA, Eq. (34) for CI) and nor- malizing by the number of BS antennas. □ Lemma 3.2. The following inequalities apply for the dofs ... and (20) for IA, (c) Eq. (26) for RDMA, (d) Eq. (35),(36) for CI. In parallel, the analytical curves are evaluated based on: (a) theorem 3.1 for global MJD, (b) theorems 3.2 and...

Ngày tải lên: 20/06/2014, 22:20

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Báo cáo hóa học: " Frequency-domain equalization for OFDMA-based multiuser MIMO systems with improper modulation schemes" docx

Báo cáo hóa học: " Frequency-domain equalization for OFDMA-based multiuser MIMO systems with improper modulation schemes" docx

... 5-6 dB. The curve for a QPSK system with the conventional receiver is also provided for a baseline com- parison. Note that for the conventional receiver, th e BER performance for an OQPSK system ... Conv. 16QAM Conv. 16ASK Impr. Figure 5 BER performance for the uplink of OFDMA system (K = n R = 2) for the conventional FDE and the improved FDE for systems with high-order signal c...

Ngày tải lên: 20/06/2014, 22:20

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Báo cáo hóa học: " Intra-Symbol Windowing for Egress Reduction in DMT Transmitters" pptx

Báo cáo hóa học: " Intra-Symbol Windowing for Egress Reduction in DMT Transmitters" pptx

... INTRODUCTION Discrete Fourier transform (DFT-) based modulation tech- niques [1] have become increasingly popular for high-speed communications systems. In the wireless context, for exam- ple, for the digital transmission ... of 16 Ph.D. candidates and postdocs, working in the area of signal processing for digital communications, wireless communications, DSL, and audio signal proc...

Ngày tải lên: 22/06/2014, 23:20

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báo cáo hóa học:" Editorial Challenges on Complexity and Connectivity in Embedded Systems" docx

báo cáo hóa học:" Editorial Challenges on Complexity and Connectivity in Embedded Systems" docx

... methods for embedded systems are biologically inspired, such as neural networks and genetic algorithms. Multiagent systems are also prospective for an application for nontime critical services of embedded ... be accurately localized. An Embedded Software Platform for Distributed Automotive Environment Management. Vehicle platforms become more and more extended by features for...

Ngày tải lên: 21/06/2014, 20:20

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báo cáo hóa học:" Research Article Bounds for Eigenvalues of Arrowhead Matrices and Their Applications to Hub Matrices and Wireless Communications" pptx

báo cáo hóa học:" Research Article Bounds for Eigenvalues of Arrowhead Matrices and Their Applications to Hub Matrices and Wireless Communications" pptx

... λ i ( F ) + λ j−i+m ( G ) , for i ≥ j, (14) λ j ( F + G ) ≥ λ i ( F ) + λ j−i+1 ( G ) , for i ≤ j. (15) Proof. See [14, page 62] or [12, page 184]. To a pp l y Theorem 6 for estimating eigenvalues ... and [d j+1 /d m ,1],respectively .For ∈ [0,d j−1 /d m ], we have  d j + t = d j−1 + f 2 (ρ)and  d j+1 = d j .For ∈ [d j−1 /d m , d j /d m ], we have  d j + t = f 4 (ρ)and  d j+1 = d j...

Ngày tải lên: 21/06/2014, 20:20

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Báo cáo hóa học: " A Theoretical Framework for Soft-Information-Based Synchronization in Iterative (Turbo) Receivers" ppt

Báo cáo hóa học: " A Theoretical Framework for Soft-Information-Based Synchronization in Iterative (Turbo) Receivers" ppt

... general pattern as those for the phase. As noted for SDD phase recovery, the frequency MCRB bound [31] is attained for E b /N 0 ≥ 6 dB, and negligible performance degr adation is observed both for the frequency ... iteration, whereas for both receivers the matched filtering is carried out only once before applying the decoding and synchronization pro- cedures. Our complexity evalua...

Ngày tải lên: 23/06/2014, 00:20

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Báo cáo hóa học: " Split SR-RLS for the Joint Initialization of the Per-Tone Equalizers and Per-Tone Echo Cancelers in DMT-Based Receivers" doc

Báo cáo hóa học: " Split SR-RLS for the Joint Initialization of the Per-Tone Equalizers and Per-Tone Echo Cancelers in DMT-Based Receivers" doc

... sim- ulations for the PTEQ/PTEC receiver structure. As a perfor- mance measure for the simulations, we will use the SNR i for tone i and the overall bit rate, according to the following for- mulas: bit ... (dB) Far-end before DFT Echo before DFT NoisebeforeDFT Far-end after DFT Echo after DFT Noise after DFT Figure 2: Power spectral densities of received far-end signal, echo, and exte...

Ngày tải lên: 23/06/2014, 01:20

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