design for low power consumption
Báo cáo hóa học: " Research Article LDPC Code Design for Nonuniform Power-Line Channels" pptx
Ngày tải lên :
22/06/2014, 19:20
... method to design allotted LDPC
codes for DMT channels. The method is general and can be
used for every nonuniform channel. This method allows for
design of optimized LDPC codes which outperform conven-
tional ... systems with nonuniform channels.
This paper is organized as follows. In Section 2,webriefly
review the required background of nonuniform channels
and LDPC coding for uniform and nonunifor m channels.
Section ... parameters. We propose a coding sys-
tem for discrete multitone channels that allows for using a single code over a nonuniform channel. The number of code parameters
for the proposed system is much greater...
- 9
- 345
- 0
Báo cáo hóa học: " Research Article Efficient Algorithm and Architecture of Critical-Band Transform for Low-Power Speech Applications" pdf
Ngày tải lên :
22/06/2014, 19:20
... power [11]. The existing
CBT methods are not suitable for low- power VLSI realiza-
tion because of the high computation complexity and high
hardware complexity. Therefore, there is a need to design ... with the Center for
Signal Processing, NTU as a Research Engi-
neer. His research interests include digital IC design, VLSI architec-
tures for digital signal processing, low- power design, and embed-
ded ... and R. W. Brodersen, Low-
power CMOS digital design, ” IEEE Journal of Solid-State Cir-
cuits, vol. 27, no. 4, pp. 473–484, 1992.
[18] B. M. Bass, “A low- power, high-performance, 1024-points...
- 10
- 394
- 0
A low power high dynamic range broadband variable gain amplifier for an ultra wideband receiver
Ngày tải lên :
06/11/2012, 10:26
... large variable gain ranges under low supply voltage.
II.2 Comparison of the commonly used VGA structures
The design requirements impose challenges on low power consumption, very
large bandwidth, ... suitable for low power applications.
(3) Summary of analog-multiplier-based VGA
In summary, the multiplier-based VGA has good linearity and large gain tuning
range, but it is not power efficient ...
generated by the subtraction between g
mp1
and g
mp2
. And hence, it is not suitable for low-
power VGA design.
II.1.3 Differential pair with source degeneration
Another commonly used VGA...
- 121
- 386
- 0
ultra low-power electronics and design
Ngày tải lên :
01/06/2014, 11:43
... to proposals on other levels in the design flow and to future work.
Keywords: Low- power design, dynamic power reduction, leakage power reduction, ultra-
low- V
th
devices, multi-V
dd
, multi-V
th
, ... of
dynamic power consumption
is a concern for almost all
IC products today. For battery-powered products, reduced power
consumption directly results in longer operating time for the product, ... search for optimization of power consumption.
For leading-edge products which need to optimize both power
consumption and system performance, optimization techniques on
architecture and design...
- 290
- 1.1K
- 0
Báo cáo hóa học: "Novel low-PAPR parallel FSOK transceiver design for MC-CDMA system over multipath fading channels" pdf
Ngày tải lên :
20/06/2014, 22:20
... Open Access
Novel low- PAPR parallel FSOK transceiver design
for MC-CDMA system over multipath fading
channels
Juinn-Horng Deng
*
and Jeng-Kuang Hwang
Abstract
A low peak-to-average power ratio (PAPR) ... performance and outperform the con-
ventional STBC MISO and MIMO systems.
The rest of this article is organized as follows. In Sec-
tion 2, we pre sent the SISO system block d iagram and
formulate ... 2011:144
http://jwcn.eurasipjournals.com/content/2011/1/144
Page 2 of 14
to signal power. For performance comparisons, BER
simulations are conducted for the proposed QPS K-FSOK
MC-CDMA, conventional MC-CDMA [8],...
- 14
- 342
- 0
Báo cáo hóa học: " Research Article A Subsample-Based Low-Power Image Compressor for Capsule Gastrointestinal Endoscopy" docx
Ngày tải lên :
21/06/2014, 07:20
... ultra -low-
power image compressor for capsule endoscope,” BioMedical
Engineering Online, vol. 5, article 14, 2006.
[15] X. Xie, G. Li, X. Chen, X. Li, and Z. Wang, “A low- power digital
IC design ... converting into one dimension for B component.
Raw image
R
G1
G2
B
Compression
image for G1
Compression
image for G2
Noncompression
image for B
Compression
image for R
Entropy
coding
Entropy
coding
Entropy
coding
4-by-4
zigzag
scan
4-by-4
zigzag
scan
8-by-8
zigzag
scan
Quantization
R-table
4-by-4
quantization
G-table
4-by-4
quantization
G-table
2D
8-by-8
DCT
2D
4-by-4
DCT
2D
4-by-4
DCT
2 ... 1.8 V, the power consumption of logic part
is 3.88 mW, estimated by using PrimePower. The memory
blocks are generated by Artisan memory compiler and
consume 5.29 mW. The total power consumption...
- 15
- 369
- 0
Báo cáo hóa học: " Research Article Optimal Channel Selection for Spectrum-Agile Low-Power Wireless Packet Switched Networks in Unlicensed Band" doc
Ngày tải lên :
21/06/2014, 22:20
... exact method makes it infeasible for
practical applications. Therefore, it is needed to derive
an approximate solution for the success probability giving
acceptable performance with minimal computational ... f
t
+1
. (11)
Following the above formulation, the history of trans-
mission outcomes for each channel can be written as x(t)
=
(i
t
, b
t
, s
t
, f
t
) which we call the informational state ... the trafficpattern
of interfering network in each channel.
For the reasons that will follow, we assume that the
duration of idle intervals, for channel i, is modeled as a
geometric random variable...
- 10
- 339
- 0
Báo cáo hóa học: "Research Article Dual Wake-up Low Power Listening for Duty Cycled Wireless Sensor Networks" docx
Ngày tải lên :
21/06/2014, 23:20
... average
energy consumption per node of LPL and DW-LPL for
varying sleep intervals, T
p
for LPL and T
b
for DW-LPL. In
Figure 8(a), T
p
= 100 ms is best for data generation interval
T
d
= 10 s. For T
d
= ... energy
model: (a) energy consumption for varying T
p
in LPL (n = 10);
(b) energy consumption for varying T
b
in DW-LPL (n = 10, δ =
0.01, T
∗
p
); (c) energy consumption comparison for varying R
d
in
LPL ... analysis.
Symbol Meaning CC2420
P
l
Power in listening 56.4 mW
P
t
Power in transmitting 52.2 mW
P
r
Power in receiving 56.4 mW
P
a
Power in awaking 670 uW
P
s
Power in sleeping 3 uW
t
a
Time to...
- 11
- 465
- 0
Báo cáo hóa học: " Research Article A Systematic Approach to Design Low-Power Video Codec Cores" doc
Ngày tải lên :
22/06/2014, 19:20
... the total power consumption and the final
throughput.
In this paper, we propose a dataflow oriented design ap-
proach for low- power block based video processing and ap-
ply it to the design of ... Bor-
mans, “Algorithmic and architectural co -design of a motion-
estimation engine for low- power video devices,” IEEE Trans-
actions on Circuits and Systems for Video Technology, vol. 12,
no. 12, pp. ... [9]. The techniques for power aware system
design [10] are grouped according to their impact on the en-
ergy delay product in [4]. Our proposed design flow assigns
them to a design step and identifies...
- 14
- 441
- 0
Linear Minimum Mean-Square-Error Transceiver Design for Amplify-and-Forward Multiple Antenna Relaying Systems
Ngày tải lên :
20/11/2012, 11:31
... the joint design has a better performance than the
various separate design schemes. Furthermore, the joint source precoder, relay for-
warding matrix and destination equalizer design for dual ... closed-form solution is the optimal solution.
Chapter 3—Robust Transceiver Design for AF MIMO-OFDM Relay Sys-
tems: In this chapter, joint design of linear relay precoder and destination
equalizer for ... of cooperative protocols: amplify-and-
forward (AF), decode-and-forward (DF) and compress-and-forward (CF). For AF
strategy, the relay only amplifies and forwards the received signal from the source
to...
- 130
- 407
- 0
Wiley.Service.Design.for.Six.Sigma.
Ngày tải lên :
07/02/2013, 09:40
... Upstream Design For Six Sigma 30
2.9 Summary 31
3. Introduction to Service Design for Six Sigma (DFSS) 33
3.1 Introduction 33
3.2 Why Use Service Design for Six Sigma? 34
3.3 What Is Service Design For ... (FMEA)
development Design for serviceability
Simulation/optimization
Design scorecard
4. Preliminary design Design parameters with Design mapping (process and
detailed specification functional mappings)
Design ... size
design to be robust for Hypothesis testing
variations in production,
consumption, and disposal
stages (continued)
c01.qxd 4/22/2005 7:31 AM Page 9
Design for Six Sigma focuses on design...
- 448
- 520
- 8
Fundamentals of RF Circuit Design With Low Noise Oscillators
Ngày tải lên :
08/04/2013, 10:50
... to power amplifier design and includes
Load Pull measurement and design techniques and a more analytic design example
of a broadband, efficient amplifier operating from 130 to 180 MHz. The design
example ... responsibly manufactured from sustainable forestry,
in which at least two trees are planted for each one used for paper production.
18 Fundamentals of RF Circuit Design
()
()
++
+
+
++
−=
sbbeb
ebsbb
T
sbbeb
eb
Lm
in
out
Rrr
rRr
Cj
Rrr
r
Rg
V
V
''
''
''
'
1
1
ω
(1.49)
Note ... (1.79)
The low frequency value for
S
21
is therefore:
()
++
=
50
50.2
''
'
21
bbeb
eb
m
rr
r
gS
(1.72)
()
77.3
501002500
2500
22
21
=
++
=
S
(1.80)
As before...
- 308
- 698
- 6
