Báo cáo hóa học: " Research Article Joint Effects of Synchronization Errors of OFDM Systems in Doubly-Selective Fading Channels Wen-Long Chin1 and Sau-Gee Chen (EURASIP Member)2" pptx
... Advances in Signal Processing
Volume 2008, Article ID 840237, 9 pages
doi:10.1155/2008/840237
Research Article
Joint Effects of Synchronization Errors of OFDM Systems in
Doubly-Selective Fading Channels
Wen-Long ... Channels
Wen-Long Chin
1
and Sau-Gee Chen (EURASIP Member)
2
1
Department of Engineering Science, National Cheng Kung University,...
... W
1
and W
2
can be easily obtained in terms of F and Z. Unfortunately,
after substituting such optimal W
1
and W
2
into the objective
function of (20), the resulting objective function in terms of
F ... estimates
H
1
,
H
2
,and
H
0
, the MSE
matrix of (10) is random due to the random errors E
1
,
E
2
,andE
0
. Since the exact errors are not known and only
the c...
... sensing results are OFF) and transmits in both “OFF slots” and “ON slots”. The allocation of sensing period
and transmission time for two access policies is investigated and analyzed by means of ... that sensing period T
increases as holding time increases, and Theorem 10 shows
that when C<k(1
− k), both ρ
0
and ρ
1
increases as T
increases, thus, β increases as holding t...
... 3898–3902,
Beijing, China, May 2008.
[13] K. Narayanan, M. P. Wilson, and A. Sprintson, Joint physical
layer coding and network coding for bi-directional relaying,”
in Proceedings of the 45th Annual ... P
1
,andP
2
denote the
power constraints on terminals A and B and relays 1 and 2,
respectively.
Let R
A
and R
B
be the data rates of terminal A and B,
respectively. In a...
... Cybernetics and Informatic s (SCI ’03),
Orlando, Florida, USA, 2003.
[19] S. Jun, Y. Dongfeng, and T. Mathiopoulos, “Adaptive PSAM in
cross-layer combining of AMC and ARQ,” in Proceedings of the
1st International ... downlink Multicast channel
in OFDMA systems, ” in Proceedings of the IEEE Wireless
Communications and Networking Conference (WCNC ’08),pp.
1588–1592, March...
... pages
doi:10.1155/2009/656719
Research Article
Joint Signal Detection and Classification Based on
First-Order Cyclostationarity For Cognitive Radios
O. A. Dobre,
1
S. Rajan,
2
and R. Inkol
2
1
Faculty of Eng ineering and ... the study of the statistically
insignificant peaks for signals of interest, including AM,
M-FSK, M
= 2, 4, 8, and noise, for a diverse selection
of si...
... frame. The intermediate
results following the joint decryption and decompression of
suchaframearestoredtobeusedassideinformationfor
the decoding of the next nonkey frame. Following the joint
decryption ... encryption of this type of data
have gained a lot of attention. The issue of complexity in
compression is taken into consideration in the video coding
standards such a...
... optimal offline and near optimal online packet scheduling
algorithms are developed to directly minimize energy usage
in transmitting a given amount of information over fading
channels with certain delay ... power and delay con-
straint in communication over fading channels is explored
andcharacterized .In[ 4], optimal power control schemes for
communication over fading chan...
... September
1995.
[26] C. Li and S. Papavassiliou, Joint throughput maximization
and fair scheduling in uplink DS-CDMA systems, ” in Pro-
ceedings of IEEE/Sarnoff Symposium on Advances in Wired and
Wireless Communication, ... relaxing fairness to 85% of its original require-
ment, the MAX-FAIR catches up and outperforms the
HDR.
In order to obtain a more in- depth understa...
... direct links from the BS to the users.
In this paper, we consider the problem of joint linear
optimization for both downlink and uplink in multiuser
cooperative nonregenerative MIMO-relay systems ... optimal joint design of the BS and
RS filter matrices that achieves the minimum mean
squared error (MMSE) for both downlink and uplink
of the multiuser MIMO relay systems a...