Báo cáo hóa học: " D-BLAST OFDM with Channel Estimation" potx
Báo cáo hóa học: " Adaptive low-rank channel estimation for multiband OFDM ultra-wideband communications" pptx
... similar to that of the
full-rank WF channel estimator and superior than those of other interpolation-based channel estimation schemes.
Keywords: channel estimation, MB -OFDM, ultra-wideband (UWB), Wiener ... CM3, and CM4 channel
models represent t he non-line-of-sight (NLOS) multi-
path channel environments with various delay disper-
sions [11]. Additionally, the (e
2
, Δe
2
)-FIS...
báo cáo hóa học: " Adaptive low-rank channel estimation for multiband OFDM ultra-wideband communications" docx
... doi:10.1109/5.364488
28. B Yang, KB Letaief, RS Cheng, Z Cao, Channel estimation for OFDM
transmission in multipath fading channels based on parametric channel
modeling. IEEE Trans Commun. 49(3), 467–479 ... similar to that of the
full-rank WF channel estimator and superior than those of other interpolation-based channel estimation schemes.
Keywords: channel estimation, MB -OFDM,...
Báo cáo hóa học: " Research Article Crosstalk Channel Estimation via Standardized Two-Port Measurement" potx
... channel in access
network scenario I obtained with the NA, the FEXT model, and the
proposed estimator.
has little or no impact on the FEXT channel estimate
compared to the error of P
y
(m). With ... three-dimensional MIMO FEXT channel matrix H can
be estimated via (17). For subchannel k, the LS estimation of
the FEXT channel between transmitter m and receiver n can
be expressed w...
Báo cáo hóa học: " Research Article MAP Channel-Estimation-Based PIC Receiver for Downlink MC-CDMA Systems" docx
... estimate the channel parameters from the time-
domain channel model (channel impulse response), in our
Rx
Pilot based
initial estimation
OFDM
demodulator
Calculation of
Γ
(q)
MAP
channel
estimation
PIC
Figure ... DFT-based channel estimation for
OFDM, ” Wireless Personal Communications,vol.12,no.1,pp.
55–70, 2000.
[17] O. Edfors, M. Sandell, J J. van de Beek, S. K. Wilson, and P....
Báo cáo hóa học: " Energy-Efficient Channel Estimation in MIMO Systems" pot
... variation with SNR for different channel estimation
schemes for 50 random 8-by-8 channels.
10
−2
10
−3
10
−4
MSE
12345678
Number of steps (K)
Scheme 1
Scheme 4
Scheme 2
Figure 4: MSE variation with ... M
Variation with M at N
= 4
Variation with N at M
= 4
J
= 30
J
= 50
J
= 70
Figure 1: MSE variation with N, M,andJ. We see that the MSE
is independent of N, has a linear variation wi...
Báo cáo hóa học: " D-BLAST OFDM with Channel Estimation" potx
... block
(c)
Figure 2: (a) WER, (b) BER, and (c) MSE of D-BLAST systems for
channels with TU delay profile and f
d
= 40 Hz.
D-BLAST OFDM w ith channel estimation 611
0246810
SNR (dB)
12 14 16 18 20
10
−3
WER
10
−2
10
−1
10
0
10-tap ... performance of
a D-BLAST OFDM system with different channel estimation
algorithms by computer simulation and major results of the
paper are summar...
Báo cáo hóa học: " Research Article Blind Channel Equalization with Colored Source Based on Constrained Optimization Methods" pptx
... reduce
the ISI without increasing the overhead costs.
Blind channel equalization relies solely on the channel
output, with/ without some a priori statistical knowledge
of the input of the channel. Blind ... data
communication system with input s(k).Theleftsideofthe
figure represents the multichannels h
i
(k) with multiple mea-
surements x
i
(k) while the right represents the multicha...
Báo cáo hóa học: " Asymmetric Joint Source-Channel Coding for Correlated Sources with Blind HMM Estimation at the Receiver" doc
... denoted
by {x
τ(k)
, r
τ(k)
, z
τ(k)
}
M
k=1
.
2.3. Joint source -channel decoder
To better understand the joint source -channel decoder with
side information, we begin analyzing a simplified decoder
that ... distributed source coding with turbo
and LDPC codes, factor graph theory and
its application to coding and decoding algo-
rithms.
Asymmetric Joint Source -Channel Coding with...
báo cáo hóa học: " Patient satisfaction with primary care: an observational study comparing anthroposophic and conventional care" pptx
... more often could reflect a
higher risk of side effects or drug interactions with con-
ventional drugs or with drugs taken without knowledge of
the physician. Further aspects could be the missing ... in studies without a control group, improve-
ment of symptoms), yet methodological problems limit
the validity of many of these studies.
Patient satisfaction with AM was very high, within th...
báo cáo hóa học: " Patient experiences with oily skin: The qualitative development of content for two new patient reported outcome questionnaires" doc
... based on input from a individuals with
oily skin through face to face and internet focus groups.
Moreover, participants included both genders, individuals
with and without acne and a range of oily ... 26 items within two hypothesized
domains of 'Perception' and 'Severity of symptoms' and
within these 6 sub-domains. The item pool for the OSIS
consists of 14 items within...
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