Báo cáo hóa học: " Low Complexity Turbo Equalization for High Data Rate Wireless Communications" doc
Báo cáo hóa học: " Low Complexity Turbo Equalization for High Data Rate Wireless Communications" doc
... approximate implementation offers
very good performance at linear complexity. Thus, the lat-
ter low complexity equalization algorithm is suitable for high
data- rate wireless communication systems with ... Figures 3 and 4
demonstrate the performance of various receivers perform-
ing turbo equalization for the aforementioned channels. The
cases shown correspond to (a) con...
Báo cáo hóa học: " Research Article Canceling Interferences for High Data Rate Time Reversal MIMO UWB System: A Precoding Approach" potx
... T
g
(T
s
T
g
) to achieve an ultra-
high data rate. It can be found that the waveform duration of
s(t)isT
g
+ T
ω
, a nd thus the transmitted waveform for one
symbol overlaps that of other ... of the channel [4] will increase
receiver complexity which limits both detection performance
and data rate under the condition that receivers with
high complexity are not preferred in...
Báo cáo hóa học: " Low complexity antenna selection for V-BLAST systems with OSIC detection" docx
... performance for the MIMO
systems with a sma ll number of antennas. In the sys-
tems with a large number of antennas, we can achieve
even higher complexity reduction without significant
performance ... results
Monte Carlo simulations are performed for a wireless
system with multiple antennas to evaluate the perfor-
mance of the proposed selection criterion. For the sake
of simplicity...
Báo cáo hóa học: " Low-Complexity Banded Equalizers for OFDM Systems in Doppler Spread Channels" ppt
... banded, L
2
is lower triangular and banded, and
D
2
is diagonal, it turns out that the banded MMSE-BDFE
is characterized by a very low complexity, as detailed in the
following.
4.3.2. Complexity ... and G. Leus, “Simple equalization of
time-varying channels for OFDM,” IEEE Communications Let-
ters, vol. 9, no. 7, pp. 619–621, 2005.
[10] P. Schniter, Low- complexity equalization o...
Báo cáo hóa học: " Low-Complexity Decoding of Block Turbo-Coded System with Antenna Diversity" pot
... subset
Ω. For this column, each of q
= 2
p
formed test sequences
has to perform one syndrome decoding, that is, the decoding
complexity of one column for this procedure is q
× m times
the complexity ... and in revised form 30 April 2003
The goal of this paper is to reduce the decoding complexity of space-time block turbo- coded system with low performance degra-
dation. Two block...
báo cáo hóa học:" Low-complexity multiuser MIMO downlink system based on a small-sized CQI quantizer" potx
... Considering the fairness
level of the system, the data rates are distributed quite uniformly among M selected users
for RBF, whereas the data rates are weighted too much on the first and second ... and sends the feed-
forward signal through the forward channels. The feed-forward signal contains information
4
using X and Y .
Theorem 1: (Largest order statistic among CQIs for Q
a
candida...
Báo cáo hóa học: " Research Article Turbo Processing for Joint Channel Estimation, Synchronization, and Decoding in Coded MIMO-OFDM Systems" pdf
... corresponding CRLB for QPSK is smaller than that
for 16-QAM.
Figure 8 shows the BER performance of the proposed
turbo scheme with different numbers of iterations. For
reference, the ideal BER performance ... IEEE standard 802.11a [15]. QPSK is employed for data
OFDM symbols, each has 52 data tones. Note that in [15],
4 out of 52 data tones are reserved for known pilot tones t...
Báo cáo hóa học: " Space-Time Chip Equalization for Maximum Diversity Space-Time Block Coded DS-CDMA Downlink " doc
... and A. R. Calderbank, “Space-time
codes for high data rate wireless communication: perfor-
mance criterion and code construction,” IEEE Transactions
on Information Theory, vol. 44, no. 2, pp. 744–765, ... but they form the basis for practical low-
complexity adaptive implementations, which can be derived
in a similar fashion as done in [20, 21].
For the sake of simplicity, we...
báo cáo hóa học:" Importance of disulphide bonds for vaccinia virus L1R protein function" docx
... is essential for the formation of
intracellular mature virions (IMV) and plays a role in vir-
ion morphogenesis [1-4]. In the absence of L1R, only
immature virion particles are formed and proteolytic
cleavage ... viral yield or in some way inter-
rupt or slow the viral life cycle. This did not occur, most
likely because three proteins, essential for disulphide
bond formation in L1R, are e...