báo cáo hóa học:" Research Article Limited Feedback Multiuser MIMO Techniques for Time-Correlated Channels" pot

... Processing Volume 2009, Article ID 104950, 21 pages doi:10.1155/2009/104950 Research Article Limited Feedback Multiuser MIMO Techniques for Time-Correlated Channels Eduardo Zacar ´ ıas B, Stefan Werner, and ... quantiza- tion for limited feedback MIMO beamforming systems,” IEEE Transactions on Signal Processing, vol. 54, no. 12, pp. 4717– 4729, 2006. [3] N. Dharamd...

Ngày tải lên: 21/06/2014, 20:20

... outage rate probability for a single-user MIMO n-block fading chan- nel, while the convex problem enables to find a sensible time- sharing solution for a time-division multiuser MIMO chan- nel by taking ... is omitted for convenience. Hindawi Publishing Corporation EURASIP Journal on Advances in Signal Processing Volume 2008, Article ID 632134, 15 pages doi:10.1155/2008/632134 R...

Ngày tải lên: 22/06/2014, 06:20

... Advances in Signal Processing Volume 2008, Article ID 632134, 15 pages doi:10.1155/2008/632134 Research Article Time-Division Multiuser MIMO with Statistical Feedback Kai-Kit Wong and Jia Chen Department ... outage rate probability for a single-user MIMO n-block fading chan- nel, while the convex problem enables to find a sensible time- sharing solution for a time-division m...

Ngày tải lên: 22/06/2014, 19:20

... comparing the performance of the above techniques to that of an HMM using segmentation information for training are shown in Figure 10(a) for the training data and Figure 10(b) for the test data. ... classification models for continuous speech recog- nition is not straightforward, we describe some techniques for combining the ensembles resulting from this training in order to per...

Ngày tải lên: 21/06/2014, 05:20

... Corporation Boundary Value Problems Volume 2009, Article ID 970135, 20 pages doi:10.1155/2009/970135 Research Article Multiplicity Results Using Bifurcation Techniques for a Class of Fourth-Order m-Point Boundary ... T  k near α ∞, φ k  w/α and therefore v  αφ k  w ∈ T  k for α near ∞. Here and in the following the same argument works if  is replaced by −. Therefore, D ...

Ngày tải lên: 21/06/2014, 20:20

... therefore how to dynamically and automatically select the correct value for P WLAN . In this paper, we propose an original MRRM strategy, that we called Smooth-Tx/Qu, and we compare its perfor- mance ... (WCDMA), UMTS technology for 3G cellular communications [10], the IEEE802.11a technology for WLANs [11], and the IEEE802.16e technology (also known as Mobile-WiMax) for broadband mobi...

Ngày tải lên: 21/06/2014, 22:20

... advanced receiver techniques for uplink communication. Different advanced receiver techniques, suggested in the literature for the uplink, give tradeoffs between complexity and performance. Optimum ... Networking for higher-order modulation (16-QAM or higher), the basic- DID scheme does not converge. In terms of performance, the strategy of exchanging all processed information between...

Ngày tải lên: 21/06/2014, 22:20

... Networking Volume 2008, Article ID 437921, 14 pages doi:10.1155/2008/437921 Research Article Throughput Maximization under Rate Requirements for the OFDMA Downlink Channel with Limited Feedback Gerhard ... with the delay of feedback information. Figure 1 shows a sketch of the throughput decline related to the delay of feedback information, where the feedback rate is assumed...

Ngày tải lên: 22/06/2014, 19:20

... Wireless Communications and Networking Volume 2011, Article ID 313269, 11 pages doi:10.1155/2011/313269 Research Article A Feedback- Based Transmission for Wireless Networks with Energy and Secrecy ... investigates new transmission techniques for clustered feedback- based wireless networks that are characterized by energy and secrecy constraints. The proposed schemes incorporate...

Ngày tải lên: 21/06/2014, 05:20

... Corporation Boundary Value Problems Volume 2011, Article ID 128614, 14 pages doi:10.1155/2011/128614 Research Article A Beale-Kato-Madja Criterion for Magneto-Micropolar Fluid Equations with Partial ... strong solutions for small initial data. A Beale-Kato-Majda type blow-up criterion for smooth solution u, v, b to 1.1 that relies on the vorticity of velocity ∇×u only is obtai...

Ngày tải lên: 21/06/2014, 05:20