Báo cáo hóa học: " Research Article Employing LSF at Transmitter Eases MMSE Adaptation at Receiver in Asynchronous CDMA Systems" pdf

... Communications and Networking Volume 2008, Article ID 298784, 9 pages doi:10.1155/2008/298784 Research Article Employing LSF at Transmitter Eases MMSE Adaptation at Receiver in Asynchronous CDMA Systems Masahiro ... employing the LSF at the transmitter and the MMSE filter at the receiver, for asynchronous CDMA systems. We employ a spreading code p...

Ngày tải lên: 21/06/2014, 23:20

... Humblet, “Information capacity and power control in single-cell multiuser communications,” in Proceedings of the IEEE International Conference on Commu- nications (ICC ’95), vol. 1, pp. 331–335, Seattle, ... all U dimensional rate vectors that are achievable in the channel. Furthermore, when a QoS constraint is imposed (in the form of a probabilistic delay constraint), the data rate at...

Ngày tải lên: 21/06/2014, 11:20

... the following: (i) orthogonal frequency division multiplexing, that is, multipath-induced intersymbol interference is reduced by converting the FS fading channel into parallel at fading subchannels, (ii) ... Journal on Wireless Communications and Networking Demodulator Modulator 1 Modulator 2 Multi channel equalizer and viterbi decoding Data source Data sink Transmitter end Receiver endF...

Ngày tải lên: 21/06/2014, 17:20

... L c T c )] T . Note that the similar data model also holds when the effects of chip waveform at the transmitter and chip matched filter- ing at the receiver are taken into account [21]. Using (2), we have that the ... known at the receiver where the user signature is estimated by computing the correlation be- tween the received data and this sequence. In nonstationary environments...

Ngày tải lên: 22/06/2014, 23:20

... clustering DDRC. Incorporating spatial information at both ends of the link, the statistical model provides a better description of a wireless propagation channel, thus allowing a better evaluation ... Wireless Communications and Networking Volume 2007, Article ID 57175, 10 pages doi:10.1155/2007/57175 Research Article Employing Coordinated Transmit and Receive Beamforming in Clus...

Ngày tải lên: 22/06/2014, 19:20

... Hindawi Publishing Corporation Advances in Difference Equations Volume 2011, Article ID 414906, 12 pages doi:10.1155/2011/414906 Research Article Strong Stability and ... American Mathematical Society, vol. 350, no. 5, pp. 2087–2103, 1998. 8 K J. Engel and R. Nagel, One-Parameter Semigroups for Linear Evolution Equations, vol. 194 of Graduate Texts in Mathematics, ... type perturba...

Ngày tải lên: 21/06/2014, 05:20

... Pseudocontractive Mappings in Hilbert Spaces Xiaolong Qin, 1 Sun Young Cho, 2 and Shin Min Kang 3 1 School of Mathematics and Information Sciences, North China University of Water Resources and Electric ... Zhengzhou 450011, China 2 Department of Mathematics, Gyeongsang National University, Jinju 660-701, Republic of Korea 3 Department of Mathematics and RINS, Gyeongsang National University...

Ngày tải lên: 21/06/2014, 05:20

... exponential stabilization for this class of uncertain nonlinear systems are formulated in terms of a set of linear matrix inequalities by using quadratic Lyapunov function and inequality analysis ... paper, we investigate the problem of exponential stabilization of a class of uncertain nonlinear systems by using periodically intermittent control, which is activated in certain nonzero time...

Ngày tải lên: 21/06/2014, 06:20

... +1 )) β 2 1 . (22) 3.1.2. Multipath Scenar io with LOS Component and Cluster of Scattered Paths. In the multipath channel with LOS component a nd cluster of scattered paths, the scattering function takes ... completely eliminates interference, whereas interference in OFDM has significant value. Thus, in the two- path LMS channels, the AFT-MC system is the optimal one. 4.2.2. LOS and Scat...

Ngày tải lên: 21/06/2014, 07:20

... service model in particular includes a mapping to determine the output data rate given a certain input data rate and the service parameters in the service graph description. When determining execution ... orientation [55] using machine learning techniques. They also show that symbolic location in the environment can be obtained by similar self-characterization [56]. Within Titan, we env...

Ngày tải lên: 21/06/2014, 07:20