Báo cáo hóa học: " Research Article Bit Error Rate Approximation of MIMO-OFDM Systems with Carrier Frequency Offset and Channel Estimation Errors" ppt
Báo cáo hóa học: " Research Article Bit Error Rate Approximation of MIMO-OFDM Systems with Carrier Frequency Offset and Channel Estimation Errors" ppt
... Communications and Networking
Volume 2010, Article ID 176083, 14 pages
doi:10.1155/2010/176083
Research Article
Bit Error Rate Approximation of MIMO-OFDM Systems with
Carrier Frequency Offset and Channel Estimation ... properly
cited.
The bit error rate (BER) of multiple-input multiple-output (MIMO) orthogonal frequency- division multiplexing (OFDM...
báo cáo hóa học:" Research Article The Boundary Value Problem of the Equations with Nonnegative Characteristic Form" pdf
... W
m,p
-Solutions of Degenerate Elliptic Equations
We start with an abstract regularity result which is useful for the existence problem of
W
m,p
Ω-solutions of degenerate quasilinear elliptic equations of ... Natural Science Foundation of China no.
10971148.
8 Boundary Value Problems
We denote by X
2
the completion of X under the norm ·
2
and by X
1
the completion of X...
Báo cáo hóa học: " Research Article Adaptive Power Allocation in Wireless Sensor Networks with Spatially Correlated Data and Analog Modulation: Perfect and Imperfect CSI Muhammad Hafeez Chaudhary and Luc Vandendorpe" pptx
... Note that the
variance of channel estimation error is finite for finite
|t
i
|
2
and σ
2
w
i
. The actual channel can be represented as a sum of
the estimate and the estimation error, that is,
h
i
=
h
i
+ ... illustrate the achieved distortion
when we have (i) perfect knowledge of the CSI, that is,
{δ
2
i
}
N
i
= δ
2
= 0 and (ii) the estimates of the channels
with...
Báo cáo hóa học: " Research Article Bit Level Synchronized MAC Protocol for Multireader RFID Networks" docx
... performance
gain with respect to α and n. G is seen to increase with
increase in values of n and decreases with increase in value of
α, the overlap factor. Note that increase in number of readers
n with ... send a common query of bits and
await responses over a frame of time slots. In each round, the query bits of all readers are the same. All tags are read after a t...
Báo cáo hóa học: "Research Article Unequal Error Protection Techniques Based on Wyner-Ziv Coding" doc
... two
types of transmission errors, namely random bit errors due
to noise in the channels and packet losses due to network
congestion. When transmitting a data packet, a single
uncorrected bit error ... latest channel loss rate. We therefore
propose to send an estimate average channel packet loss rate
based on packet loss rates of the previous k frames. It gives
a better esti...
báo cáo hóa học:" Research Article Bit Rate Maximising Per-Tone Equalisation with Adaptive Implementation for DMT-Based Systems" doc
... in
DMT-based systems.
The purpose of this paper is twofold. First, we introduce
the bit rate maximising criterion of PTEQ. The PTEQ which
attains this bit rate maximising capability is called a bit rate
maximising ... optimal
solution of the truly bit rate maximising time-domain
equalisation (BM-TEQ) cost function. It is based on an
exact formulation of the subchanne...
Báo cáo hóa học: " Research Article On the Soft Fusion of Probability Mass Functions for Multimodal Speech Processing" ppt
... Diarization
Using the BHT-Soft Belief Function. To facilitate for the
synchronization of multi-modal data, that is, the video
frame rate of 25 fps, and the speech sampling rate of
44100 Hz, we consider ... has video frame rate of 30 fps and
is manually annotated. Speaker diarization performance is
usually evaluated in terms of diarization error rate (DER),
which is ess...
Báo cáo hóa học: " Research Article Fixed-Point MAP Decoding of Channel Codes" docx
... requirements of the slowest standards and only
with high degrees of parallelism (and so with increased
power consumption).
For this reason, this paper develops an accurate fixed-
point model of a decoder ... universal,
multistandard decoder of channel codes, capable of supporting the two classes of codes and having reduced requirements in terms
of silicon area and po...
Báo cáo hóa học: " Research Article Some Shannon-McMillan Approximation Theorems for Markov Chain Field on the Generalized Bethe Tree" docx
... properties of random transition probability for
second-order Markov chains indexed by a tree.
In this paper, we study a class of Shannon-McMillan random approximation theorems
for arbitrary random ... type of measures of the deviation between the arbitrary
random fields and the Markov chain fields on the generalized Bethe tree.
2. Main Results
Theorem 2.1. Let X {X
t
,t∈ T} be an...
Báo cáo hóa học: " Research Article A Feedback-Based Transmission for Wireless Networks with Energy and Secrecy Constraints" potx
... with
zero mean and variance σ
2
f
and σ
2
g
, respectively. Furthermore,
the variance of the AWGN is assumed normalized with
zero mean and unit variance, and the channel power of
the selected ... scheme. The source has
an infinite number of messages for each destination, and
each message is transmitted with a rate R bits per channel
use (BPCU) and considered to be...
Từ khóa: