extend range of wireless network with airport express
Simulation of Wireless Network Systems
Ngày tải lên :
29/09/2013, 21:20
... effect on the quality of the voice/
Wireless Networks362
Figure 13.9 DCF state machine [18]
13
Simulation of Wireless Network
Systems
This chapter deals with simulation of wireless network systems. ... broadcast network where many nodes are within radio range of each other.
In WLANs, all nodes within the radio broadcasting range of a particular node can hear any
messages sent by that node. If a networking ... (FDMA). The number
Simulation of Wireless Network Systems 367
Figure 13.16 Number of video channels versus percentage of video packets within 100 ms
Figure 13.17 Quality of service versus MAC protocol...
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báo cáo hóa học:" Research Article Planning of Efficient Wireless Access with IEEE 802.16 for Connecting Home Network to the Internet" potx
Ngày tải lên :
21/06/2014, 18:20
... con-
sideration of home network has to be extended on the
upper network level, so called as access network. The
requirement of higher bandwidth is necessary for the access
network for interfacing with the ... broadband
wireless access network. In short, network planner devotes
to optimize an efficient network planning with the target
on lowering the system cost for broadband wireless access
network.
Lowering ... 3/4 6 3/4
Investigation of the channel throughput of IEEE802.16
BFWA system deals with the complex parameters of OFDM
technology and adaptive modulation. For the sake of sim-
plicity, we implement...
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Tài liệu Comparison of lung cancer cell lines representing four histopathological subtypes with gene expression profiling using quantitative real-time PCR pptx
Ngày tải lên :
15/02/2014, 04:20
... negatively
correlated with the expression of PLAU, SLCO4A1,and
TGM2, and positively correlated with IGSF3 , STMN1,
FOXG1, and RAB25. PC2 was negatively correlated with
the expression of STMN1, AMY2A,andISL1,andposi-
tively ... correlated with the expression of
STMN1, AMY2A ,andISL1, and positively correlated
with S100P, RAB25,andCDH1. The loading number of
component 3 (PC3) was negatively correlated w ith the
expression of ... S100P protein was expressed
in the cytoplasm of A549 and LU65 cells. RAB25 pro-
tein was expressed in the cytoplasm of EBC-1 cells.
These results were consistent with the gene expression
data for...
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Tài liệu cwnaTMCertified Wireless Network AdministratorOfficial Study GuideEndorsed by the Wireless LAN AssociationIndustry Approved!TMExam PW0-100Objective-by-Objective coverage of the CWNA certification examVendor-neutral wireless network trainin pptx
Ngày tải lên :
17/02/2014, 15:20
... fascinating worlds of
technology, because wireless networks are the culmination of Radio Frequency (RF) and
networking technologies. No study of wireless LANs would be complete without first
making ... you practice with wireless LAN gear. The best part of that
recommendation is that wireless LAN gear is plummeting in price. As of the writing of
this book, you can get a basic wireless LAN ...
Spread Spectrum Technology 47
Uses of Spread Spectrum 48
Wireless Local Area Networks 48
Wireless Personal Area Networks 49
Wireless Metropolitan Area Networks 49
FCC Specifications 49
Frequency...
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- 2K
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Báo cáo khoa học: Mutation of epidermal growth factor receptor is associated with MIG6 expression docx
Ngày tải lên :
30/03/2014, 01:20
... reported
tissue-specific expression of ERRFI1 in some cancers
[24]. ERRFI1 expression was most correlated with
EGFR expression, regardless of cancer cell type, and
was not correlated with other ERBB gene expression
(Fig. ... represent
the number of probe sets and the number of probe sets without gene IDs, respectively. Other numbers refer to the number of genes. (C)
Clustering of expression profiles of differentially expressed ... active
state of EGFR and that ERRFI1 expression is associ-
ated with basal EGFR kinase activity in the absence
of ligand. Furthermore, MIG6 expression may be indi-
rectly (i.e. not directly) associated with...
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Báo cáo Y học: Selection of effective antisense oligodeoxynucleotides with a green fluorescent protein-based assay Discovery of selective and potent inhibitors of glutathione S-transferase Mu expression doc
Ngày tải lên :
31/03/2014, 15:20
... another nonspecific inhibitor of
EGFP expression as the IC
50
values for inhibition of EGFP
expression and of EGFP–M1 were both in the same range.
Analysis of the effect of AS-ODNs on GST activity
To ... cotransfected with a ribozyme expressing
plasmid and not with an exogenously added antisense
molecule. Cotransfection with the ribozyme-expressing
plasmid resulted in a reduction of EGFP expression ... protein expression, the effects of the
ODNs on the expression of EGFP without a fusion
construct were evaluated. Three ODNs (AS-3, AS-5 and
AS-10) were found to inhibit gene expression with very...
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Báo cáo hóa học: "Prognostic impact of clinical course-specific mRNA expression profiles in the serum of perioperative patients with esophageal cancer in the ICU: a case control study" potx
Ngày tải lên :
18/06/2014, 16:20
... MUC1 expression (p = 0.024, Figure 2b). T NF-a
mRNA expression correlated with duration of SIRS (p =
0.042). CRP mRNA expression correlated with length of
ICU stay, which in turn was associated with ... Journal of Translational Medicine 2010, 8:103
http://www.translational-medicine.com/content/8/1/103
Page 8 of 11
Recently, the use of gene-expression profiling on a
transcriptome level of peripheral ... associated
with increased risk of pneumonia (p < 0.001, 0.028, and
Figure 3 IL-6 mRNA expression and IL-6 protein level.IL-6mRNAexpressionandtheIL-6protein level were evaluated using expression
profiles...
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Báo cáo toán học: " Recursive analytical performance evaluation of broadcast protocols with silencing: application to VANETs EURASIP Journal on Wireless Communications and " pptx
Ngày tải lên :
20/06/2014, 20:20
... set (MCDS) of the network [2]. The nodes within the MCDS have
the following properties: (i) they form a connected graph; (ii) every other node of the network is one-hop
connected with a node ... for the replacement of p
Y
(i|S) with p
Y
(i) and of D
i|i
with the number of
additional nodes covered by a new transmission. For example: a transmission from the 1-st node of the first
TD will ... unlike the delay, in the computation of the RE we are not conditioning on the fact of reaching the
N-th node of the network, i.e., the last reachable node of the network. Therefore, also the packets...
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Báo cáo toán học: " Performance of the audio signals transmission over wireless networks with the channel interleaving considerations" pot
Ngày tải lên :
20/06/2014, 20:20
...
correlated Rayleigh fading channel at SNR = 15 dB with different
1
Performance of the audio signals transmission over wireless networks
with the channel interleaving considerations
Mohsen ... in two groups of
the EDR packets with different velocities with employing the widely
accepted Jakes’ model to modelate the simulation environment. Figure 17
gives the waveforms of the received ... rectangles of width n
i
and
number of elements M.
2. The elements in each rectangle are rearranged to a row in the
permuted rectangle. Rectangles are taken from right to left beginning with
upper...
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Báo cáo toán học: " Opportunistic wireless network coding with relay node selection" pdf
Ngày tải lên :
20/06/2014, 21:20
... guarantee
network coding gain. The proposed system is a novel combination of wireless network coding and relay selection.
In this paper, with the consideration of channel state and potential network ... proposed a new opportunistic wireless
network coding combined with distributed relay selection.
By taking advantage of opportunistic listening capability of
wireless networks, several feedback-based ... simultaneously. This type of in-
network processing is called network coding. Routing can
be treated as a special case of network codi ng which is a
simple permutation. Network coding has received...
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Báo cáo hóa học: " Research Article Weight Identification of a Weighted Bipartite Graph Complex Dynamical Network with Coupling Delay" pot
Ngày tải lên :
21/06/2014, 07:20
... model of weighted bipartite graph complex dynamical
network with coupling delay and designed trackers for identifying the weights of the
network. By monitoring the dynamical evolutions of the ... synchronous
network, we can obtain the exact weights of the network. This approach is expected to be
widely used in the study of many real bipartite graph networks, especially in the research of
the ... Example
To show the effectiveness of the proposed method, an illustrative example of a specific
weighted bipartite graph network with coupling delay is given as follows. In network 2.1,
we take the...
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báo cáo hóa học:" Performance of the audio signals transmission over wireless networks with the channel interleaving " potx
Ngày tải lên :
21/06/2014, 20:20
... comparison of NFL and FER
with the velocity variations with the standard uncoded packets.
From the previous section, the following is concluded: Over mobile
Bluetooth network, the quality of audio ... transmission is decreased with V
c
increasing. Traditional block interleaving of audio file is inefficient over
mobile network. The proposed encoded EDR packets with block
interleaving of encoded packet ... DH
1
packets,
each one of these packets contains 30 bytes. The duration of this file is 4 s.
Number of packets (file-1) = 32 kbytes/30 bytes ≈ 1066 packets.
Number of audio portions (file-1)...
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Báo cáo hóa học: " Research Article Throughput Analysis of Large Wireless Networks with Regular Topologies" pot
Ngày tải lên :
22/06/2014, 19:20
... frequency slots
without affecting the network spectral efficiency. More de-
tails of the SAM will be revealed as we analyze the network
throughput for three regular topologies.
2.1. A network with square ... line of sight) of each desired
pair of transmitter and receiver; δ
sq,4
corresponds to all the
interferences from the transmitters to the left and in the line
of sight of each desired pair of transmitter ... the network to know their relative posi-
tions so that the subsets of nodes can be scheduled properly.
6 EURASIP Journal on Wireless Communications and Networking
Table 4: Comparison of the network...
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