High-performance JPEG steganography using quantization index modulation in DCT domain
Pattern Recognition Letters
An overview of scalar quantization based data hiding methods
Signal Processing
Digital image watermarking capacity and detection error rate
Pattern Recognition Letters
Technical Section: Robust and blind mesh watermarking based on volume moments
Computers and Graphics
Quantized based image watermarking in an independent domain
Image Communication
Region based QIM digital watermarking scheme for image database in DCT domain
Computers and Electrical Engineering
How quantization based schemes can be used in image steganographic context
Image Communication
Comparison of Forbidden Zone Data Hiding and Quantization Index Modulation
Digital Signal Processing
On the hybrid multi-watermarking
Signal Processing
Novel wavelet-based QIM data hiding technique for tamper detection and correction of digital images
Journal of Visual Communication and Image Representation
The evolution to 4G cellular systems: LTE-Advanced
Physical Communication
Joint precoding and power allocation for multiuser transmission in MIMO relay networks
International Journal of Communication Systems
CSI Feedback for Dynamic Switching Between Single User and Multiuser MIMO
Wireless Personal Communications: An International Journal
A practical transmit beamforming strategy for closed-loop MIMO communication
International Journal of Communication Systems
Achieving high data rates in a distributed MIMO system
Proceedings of the 18th annual international conference on Mobile computing and networking
Witsenhausen's counterexample and its links with multimedia security problems
IWDW'11 Proceedings of the 10th international conference on Digital-Forensics and Watermarking
sGSA: A SDMA-OFDMA greedy scheduling algorithm for WiMAX networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
On multiwatermarking in cloud environment
Concurrency and Computation: Practice & Experience
Analysis of adaptive proportional fair scheduling method on BD-GMD scheme for MIMO systems
International Journal of Wireless and Mobile Computing
A Soft Demodulation Algorithm with Low Complexity for One-dimensional DPC System
Wireless Personal Communications: An International Journal
Outage Probability of Regenerative Protocols for Two-Source Two-Destination Networks
Wireless Personal Communications: An International Journal
A Novel Lattice Reduction Precoding Method
Wireless Personal Communications: An International Journal
Optimal adaptive channel scheduling for scalable video broadcasting over MIMO wireless networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
AirSync: enabling distributed multiuser MIMO with full spatial multiplexing
IEEE/ACM Transactions on Networking (TON)
Wireless Personal Communications: An International Journal
Linear and Nonlinear Precoding Schemes for Centralized Multicell MIMO-OFDM Systems
Wireless Personal Communications: An International Journal
Hi-index | 754.84 |
A channel with outputY = X + S + Zis examined, The stateS sim N(0, QI)and the noiseZ sim N(0, NI)are multivariate Gaussian random variables (Iis the identity matrix.). The inputX in R^{n}satisfies the power constraint(l/n) sum_{i=1}^{n}X_{i}^{2} leq P. IfSis unknown to both transmitter and receiver then the capacity isfrac{1}{2} ln (1 + P/( N + Q))nats per channel use. However, if the stateSis known to the encoder, the capacity is shown to beC^{ast} =frac{1}{2} ln (1 + P/N), independent ofQ. This is also the capacity of a standard Gaussian channel with signal-to-noise power ratioP/N. Therefore, the stateSdoes not affect the capacity of the channel, even thoughSis unknown to the receiver. It is shown that the optimal transmitter adapts its signal to the stateSrather than attempting to cancel it.