Báo cáo hóa học: " Research Article Efficient Delay Tracking Methods with Sidelobes Cancellation for BOC-Modulated Signals" potx

... Communications and Networking Volume 2007, Article ID 72626, 20 pages doi:10.1155/2007/72626 Research Article Efficient Delay Tracking Methods with Sidelobes Cancellation for BOC-Modulated Signals Adina Burian, ... representative delay tracking algorithms, employed for comparison with the SCM methods. Section 4 introduces the SCM ideas and presents the SCM usag...

Ngày tải lên: 22/06/2014, 19:20

... Processing Volume 2008, Article ID 847296, 13 pages doi:10.1155/2008/847296 Research Article Efficient Feedback via Subspace-Based Channel Quantization for Distributed Cooperative Antenna Systems with Temporally ... strongest two links with MSs are chosen for downlink transmission. The cell radius is 600 m and MSs are equally distributed in the CA for every drop. The transmit...

Ngày tải lên: 22/06/2014, 06:20

... EM with appearance based inference, EM with MCMC inference, EM with forward approximate inference I, EM with backward approximate inference I, EM with forward approximate inference II, and EM with ... probability 0. (a) Forward pass with 0- order model. (b) Forward pass with 1-order model. (c) Forward pass with 2-order model. (d) Backward pass with 0-order model. (e) Backw...

Ngày tải lên: 21/06/2014, 05:20

... Advances in Signal Processing Volume 2011, Article ID 646134, 8 pages doi:10.1155/2011/646134 Research Article Efficient Dispersion Generation Structures for Spring Reverb Emulation Julian Parker Department ... replace the unit delay within the filter with a longer delay element, giving the following equation: H single ( z ) = A  z k  =  a + z −k 1+az −k  . (2) The length of...

Ngày tải lên: 21/06/2014, 05:20

... SNR performance for a 16QAM OFDM system impaired with FI transmitter and receiver IQ imbalance. The figure shows that the proposed D-FEQ scheme provides an efficient com- pensation performance with ... MMSE-based (15)), together with a system with no IQ imbalance and a system with no IQ imbalance compensation algorithm included. The figure also shows the performance curve obtained fo...

Ngày tải lên: 21/06/2014, 08:20

... Wireless Communications and Networking Volume 2010, Article ID 282465, 15 pages doi:10.1155/2010/282465 Research Article Efficient Uplink Modeling for Dynamic System-Level Simulations of Cellular ... previous sections, we unfortunately have not found a closed form solution for the QoS case. This problem is very similar to the downlink problem as described in [13]. 3.7. Comparison...

Ngày tải lên: 21/06/2014, 11:20

... therefore, it requires high CPU and memory capabilities to p erform exponential operations. Unfortunately, mobile nodes with limited resources have insufficient power to handle the overhead. Therefore, ... and Networking Volume 2011, Article ID 382701, 15 pages doi:10.1155/2011/382701 Research Article Efficient Key Agreements in Dynamic Multicast Height Balanced Tree for Secure Multi...

Ngày tải lên: 21/06/2014, 11:20

... Communications and Networking Volume 2011, Article ID 935457, 11 pages doi:10.1155/2011/935457 Research Article Efficient Public Key Certificate Management for Mobile Ad Hoc Networks P. Caballero-Gil ... scheme [15]. Therefore, each time a node in the network B wishes to communicate with one of his peers A, he should contact with t +1 servers in advance in order to obtain A’s publ...

Ngày tải lên: 21/06/2014, 11:20

... Wireless Communications and Networking Volume 2010, Article ID 195910, 13 pages doi:10.1155/2010/195910 Research Article Efficient Vector-Based Forwarding for Underwater Sensor Networks Peng Xie, 1 Zhong ... qualified node delays forwarding the packet by a time interval T adaptation , which is calculated as follows: T adaptation = √ α ×T delay + R −d v 0 , (1) where T delay is a p...

Ngày tải lên: 21/06/2014, 17:20

... Wireless Communications and Networking Volume 2010, Article ID 264838, 9 pages doi:10.1155/2010/264838 Research Article Efficient MAC Protocol for Subcarrier-Wise Rate Adaptation over WL A N Sung ... (K) Adaptive Fixed OSS Figure 11: BER performance as a function of Ricean factor, K. Figure 11 shows the BER performance as a function of the Ricean parameter, K, with 25 stations. “Fi...

Ngày tải lên: 21/06/2014, 17:20