Báo cáo hóa học: "Research Article Achieving Maximum Possible Speed on Constrained Block Transmission Systems" ppt

... Transactions on Information Theory, vol. 18, no. 1, pp. 14–20, 1972. [6] R. E. Blahut, “Computation of channel capacity and rate- distortion functions,” IEEE Transactions on Information The- ory, ... distribution. We conclude that at low SNR, the capacity of the quantized block transmission channel will be closer to the Shannon bound. As to the effect on information rate, of number o...

Ngày tải lên: 22/06/2014, 23:20

... R n is continuous, and ft  T, x−ft, x for all t, x ∈ R×R n . Under certain conditions on the nondiagonal elements of A and f we prove an existence result for E1.1.InSection 3 we consider ... Applications, vol. 14, no. 9, pp. 771– 783, 1990. 26 P. Souplet, “Uniqueness and nonuniqueness results for the antiperiodic solutions of some second- order nonlinear evolution equations,” No...

Ngày tải lên: 21/06/2014, 20:20

... estimation and the MSE of the conventional LMMSE channel estimation in Section 4. The simulation results and numerical results of the proposed algorithm are discussed in Section 5 followed by conclusion ... pages doi:10.1155/2009/752895 Research Article A Fast LMMSE Channel Estimation Method for OFDM Systems Wen Zhou and Wong Hing Lam Department of Electrical and Electronics Engineering, Th...

Ngày tải lên: 21/06/2014, 22:20

... allocated for conventional systems, investigations of issues on the frequency sharing between these systems have been conducted [6]. The International Telecommunication Union-Radio- communication sector ... FSPC in Section 4, new results are introduced using ABS and its variant in Section 5. This paper concludes with Section 6. 2. SYSTEM MODEL 2.1. System configuration In this section, the s...

Ngày tải lên: 21/06/2014, 23:20

... detection problem is addressed in Section 3. Channel estimation, synchronization, and equalization are discussed in Section 4. Simulation results are shown and assessed in Section 5. Conclusions ... Channel Estimation, Synchronization, and Equalization After successful signal detection, we can start the channel estimation and synchronization phase. The sample-level synchronization finds out th...

Ngày tải lên: 21/06/2014, 23:20

... realizations, while it was in the mea- sured cases constantly less than 20 bps/Hz. On the contrary, Lorenzo Mucchi et al. 5 Configuration A (a) Configuration B (b) Configuration C (c) Configuration D (d) Figure ... 40 45 Capacity Configuration A Configuration B Configuration C Configuration D Empirical CDF Figure 11: CDF curves of MIMO capacity (measured data) with different antenna configurations as...

Ngày tải lên: 22/06/2014, 06:20

... without any reduction of the transmission rate. In the block transmission schemes, the equalization and demodulation processing is commonly conducted in a block- by -block manner, therefore, the ... reduction of the transmission rate, while they somewhat increase the complexity of the receiver. 4.1. Interblock interference cancellation In the block transmission schemes, the equa...

Ngày tải lên: 22/06/2014, 19:20

... Attias, and J. Hershey, “Single microphone source separation using high resolution signal reconstruction,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing ... de- coding time. 9. CONCLUSIONS We have presented a maximum likelihood approach to per- form separation of two speech signals from a mixture. The problem is too ill conditioned (due to the...

Ngày tải lên: 22/06/2014, 22:20

... and rescue, energy conservation, energy efficient buildings, environmental control, factory automa- tion, home automation, critical infrastructure control, dis- tributed autonomous robotics, defense, ... the non- beaconed IEEE 802.15.4 standard in a scenario containing one sender and one receiver. In [17], Rohm et al. analyzed via simulations the impact of different configurable MAC parameters o...

Ngày tải lên: 21/06/2014, 05:20