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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Unconditional stability and error estimates of FEMs for the electro-osmotic flow in micro-channels
微通道 电渗流FEM 无条件稳定性 误差估计
2023/5/15
In this paper, we will provide the the finite element method for the electro-osmotic flow in micro-channels, in which a convection-diffusion type equation is given for the charge density ρe. A time-di...
TIME-FREQUENCY AND TIME-SCALE CANONICAL REPRESENTATIONS OF DOUBLY SPREAD CHANNELS
TIME-FREQUENCY TIME-SCALE CANONICAL REPRESENTATIONS DOUBLY SPREAD CHANNELS
2015/9/29
A general technique for the generation of canonical channel models and demonstrate the application of the technique to time-frequency and time-scale integral kernel operators is developed. As an examp...
Computing the threshold shift for general channels
Threshold the probability curve noise the binary
2015/8/21
The ‘threshold’ of a code ensemble can be defined as the noise level at which the block error probability curve crosses 1/2. For ensembles of low-density parity check codes used over the binary erasur...
The Capacity Region of a Class of Deterministic Interference Channels
Capacity Region Deterministic Interference Channels
2015/8/12
The Capacity Region of a Class of Deterministic Interference Channels.
The capacityregion is establishedfor those discrete memoryless broabst channel.9p(y,t~x) for wbicb Z(X; Y) >Z(X; Z) holds for au input distributions. ‘ l%e capacity region for this class of channels r...
Multiple Access Channels with Arbitrarily Correlated Sources
Multiple Access Channels Arbitrarily Correlated Sources
2015/8/12
Let {(q, r$)}#L* be a source of independealt identicauy distributed (i.i.d.) disc&e random variables with joint probability mass function p(u,o) and common part w-f(u)=g(u) in the sense of Witsenbawn,...
The Feedback Capacity of Degraded Broadcast Channels
Feedback Capacity Degraded Broadcast Channels
2015/8/12
e fact that the capacity region of the discrete memoryless physically degraded broadcast channel is not increased by feedback is establisked.
Tree Codes Improve Convergence Rate of Consensus Over Erasure Channels
Tree Codes Convergence Rate of Consensus Erasure Channels Optimization and Control
2012/4/17
We study the problem of achieving average consensus between a group of agents over a network with erasure links. In the context of consensus problems, the unreliability of communication links between ...
On the Capacity of Memoryless Finite-State Multiple-Access Channels with Asymmetric State Information at the Encoders
multiple-access channe
2011/1/19
A single-letter characterization is provided for the capacity region of finite-state multiple-access channels,when the channel state process is an independent and identically distributed sequence.
Towards the Capacity Region of Multiplicative Linear Operator Broadcast Channels
Capacity Region Multiplicative Linear Operator Broadcast Channels
2011/2/28
Recent research indicates that packet multicasting employing random linear network coding can be regarded as transmitting subspaces as codewords over a linear operator channel (LOC).
Stochastic Control of Event-Driven Feedback in Multi-Antenna Interference Channels
Stochastic Control of Event-Driven Feedback Multi-Antenna Interference Channels
2011/2/22
Spatial interference avoidance is a simple and effective way of mitigating interference in multi-antenna wireless networks.
Universal Communication over Modulo-additive Channels with an Individual Noise Sequence
Universal Communication Modulo-additive Channels Individual Noise Sequence
2011/1/21
Which communication rates can be attained over an unknown channel where the relation between the input and output can be arbitrary? A channel where the output is any arbitrary (possibly stochastic) fu...
Protection Over Asymmetric Channels, S-MATE: Secure Multipath Adaptive Traffic Engineering
Asymmetric Channels S-MATE: Secure Multipath Adaptive Traffic Engineering
2011/3/1
There have been several approaches to the problem of provisioning traffic engineering between core network nodes in Internet Service Provider (ISP) networks.
Belief-propagation-based joint channel estimation and decoding for spectrally efficient communication over unknown sparse channels
belief propagation message passing compressive sensing compressed sensing
2011/2/24
We consider spectrally-efficient communication over a Rayleigh N-block-fading channel with a K-
sparse L-length discrete-time impulse response (for 0here neither the transmitter nor
receiv...
Compressed Sensing for Feedback Reduction in MIMO Broadcast Channels
Compressed Feedback Reduction MIMO Broadcast Channels
2011/2/28
We propose a generalized feedback model and compressive sensing based opportunistic feedback
schemes for feedback resource reduction in MIMO Broadcast Channels under the assumption that both uplink a...