GENERATION OF PAYSLIP

Name: K.Avinash, Name: MD.Azeem
Roll No: 07621A0566, Roll No: 07621A0594
Branch: cse-B,3rd year Branch: cse-B,3rd year

1. Study and Design on Data Management Model of SQL Server CE For Mobile Application
2. The Role of Cognitive Styles in Investigating ELearning Usability
3. Knowledge Acquisition, Sharing Intention, and Sharing Behavior
4. Global Featurebased Image Classification and Recognition In Small Sample Size Problem
5. Podcast in Higher Education: Students Experience and Assessment
6. Development of an ELearning ContentMaking System for Information Security ELSEC and Its Application to AntiPhishing Education

To get full information or details of visible light communication please have a look on the pages

http://seminarsprojects.net/Thread-visib...inar-topic

http://seminarsprojects.net/Thread-visib...munication

http://seminarsprojects.net/Thread-smina...cation-pdf

if you again feel trouble on visible light communication please reply in that page and ask specific fields in visible light communication

[attachment=3202]

Distributed Medium Access control for Next Generation CDMA Wireless Networks


Generic Distributed Network Model
we focus on a generic network model where a number of wireless mobile nodes are organized in a flat fashion, communicating with each other via one-hop or multiple-hop connections without any central control. Connections to outside correspondence nodes are supported through a gateway (e.g., in the wireless backbone) or an access point (e.g.,in ad hoc networks or WPAN).
In the past decade, code-division multiple access (CDMA) technology has been developed and deployed popularly with great success in the second-generation (2G) cellular systems (e.g., IS-95). It also been selected as the major multiple access technology for the third-generation (3G) systems. CDMA has many promising merits such as universal frequency reuse, soft handoff, and high spectrum efficiency.



Desired Features of Distributed MAC:

A MAC scheme is to coordinate the mobile nodes access to the shared medium such that efficiency can be achieved. Although MAC schemes in traditional cellular networks and WLAN have been extensively studied in the literature, more efforts are still needed for distributed MAC supporting multimedia traffic in the network without a central controller.
In a centralized network such as the cellular network, the central controller makes decisions on when and how the mobile nodes should access the medium. However, in a network without a central controller, MAC is carried out in a collectively coordinated manner, where a mobile node determines its access behavior according to its local observation.



Features Of Distributed MAC:
Quality of service (QOS) support
Service differentiation
Low overhead
Bandwidth Efficiency



Distributed Code Assignment
Generally, before a transmission, the transmitter and receiver need to know the code (sequence) to be used. In cellular networks, the BS collects information from all the nodes, and informs them what codes are used in upcoming transmissions. However, as our network model dose not have central authority, distributed code assignment is desired.



There are three kinds of codes that can be used

Common code
Receiver based code
Transmitter based code


Distributed Interference Control
By proper code assignment to the CDMA transmissions, collisions among them can be avoided. However the interference among simultaneous transmissions with unique codes should also be managed Generally, power control can be applied to manage the interference levels in the network, targeting at guaranteed transmission accuracy of each link. Power control can be executed in two manners: global or incremental.
A global power control approach re-assigns the power levels of all the links in the network at any time when there is a change in page link activities, e.g., when a new page link is admitted or an existing page link is completed.
In the incremental power control, it is important for a candidate transmitter to know the interference tolerance level of active links.



The Proposed Distributed MAC
In our network model, the MAC is to coordinate the one-hop transmission from a transmitter to one of its neighbors. Each node has its own transmitting code and receiving code, the information of which is available to its neighbors through some information exchanges in the routing protocol.



CONCLUSION
We have discussed the limitations of existing distributed CDMA-based MAC schemes when applied to our generic network model with distributed control. By letting active receivers estimate potential increase in the interference level, our proposed MAC scheme can achieve bit-level QoS, low overhead, accurate channel and interference estimation, and high bandwidth efficiency.

intelligent protection of transmission line using fuzzy logic pdf

[attachment=14550]
Abstract
Biogas technology, besides supplying
energy and manure, provides an excellent opportunity
for mitigation of greenhouse gas (GHG)
emission and reducing global warming through
substituting firewood for cooking, kerosene for
lighting and cooking and chemical fertilizers. A
study was undertaken to calculate (1) global
warming mitigation potential (GMP) and thereby
earning carbon credit of a family size biogas plant
in India, (2) GMP of the existing and target biogas
plants in the country and (3) atmospheric
pollution reduction by a family size biogas plant.
The GMP of a family size biogas plant was 9.7 t
CO2 equiv. year 1 and with the current price
of US $10 t 1 CO2 equiv., carbon credit of US
$97 year 1 could be earned from such reduction
in greenhouse gas emission under the clean development
mechanism (CDM). A family size biogas
plant substitutes 316 L of kerosene, 5,535 kg
firewood and 4,400 kg cattle dung cake as fuels
which will reduce emissions of NOx, SO2, CO and
volatile organic compounds to the atmosphere by
16.4, 11.3, 987.0 and 69.7 kg year 1, respectively.
Presently 3.83 million biogas plants are operating
in the country, which can mitigate global warming
by 37 Mt CO2 equiv. year 1. Government
of India has a target of installing 12.34 million
biogas plants by 2010. This target has a GMP of
120 Mt CO2 equiv. year 1 and US $1,197 million
as carbon credit under the CDM. However, if all
the collectible cattle dung (225 Mt) produced in
the country is used, 51.2 million family size biogas
plants can be supported which will have a GMP
of 496 Mt of CO2 equiv. year 1 and can earn US
$4,968 million as carbon credit. The reduction in
global warming should encourage policy makers
to promote biogas technology to combat climate
change and integration of carbon revenues will
help the farmers to develop biogas as a profitable
activity.

[attachment=15112]
AIM
To conduct the slip test on three phase alternator and predetermination the regulation through vector diagrams
APPARATUS REQUIRED
PRECAUTION
1. The Motor field Rheostat should be kept in minimum resistance position.
2. The Alternator field should be kept open throughout the experiment.
3. The direction of rotation due to prime mover and due to the Alternator run as the motor should be same.
4. Initially all the switches are kept open
PROCEDURE
1. The name plate details of the motor and alternator are noted.
2. Connections are made as per the circuit diagram.
3. Give the supply by closing the DPST Switch
4. Using the three point starter, start the motor to run at the synchronous speed by varying the motor field rheostat at the same time check whether the alternatorfield has been opened or not Apply 20% to 30% of the rated voltage to the armature of the alternator by adjusting the autotransformer.
5. To obtain the slip and the maximum oscillations of pointers, the speed is reduced slightly lesser than the synchronous speed.
6. Maximum current , minimum current , maximum voltage and minimum voltage are noted. The direct and quadrature axis resistances and reactances are calculated.
PROCEDURE TO DRAW THE VECTOR DIAGRAM:
1. Draw the line OA vector that represents the rated voltage v.
2. Draw the line OB vector to represents the rated current I, which makes an angle (it may lag/lead/in phase) with the voltage.
3. Draw the line AC vector to represent IRa drop which is parallel to OB vector.
4. Draw the perpendicular line CD vector to the line AC ( IRa drop )that represent IXq drop.
5. Draw the line from the origin through the point D, which consist the no load voltage (Eo).
6. Draw the pole axis through origin, which should be perpendicular to vector OD.
7. Draw the perpendicular line tom the pole axis from the same (point E) which should be passed through the point B[where, Vector OE represents direct access current (Id ) and vector EB represent quadrature axis current (Iq)].
8. Find out the reactive voltage drops XdId & Iq Xq.
9. Draw a parallel line (ie perpendicular to Id) to OD vector from the point C with the magnitude of the drop Id Xd (line CF).
10. Draw parallel line i.e. perpendicular to Iq to OE vector from F with the magnitude drop Iq,Xq(line FG).
11. Let the point at where the Iq,Xq drop meets OD line be G here the vector OG is represent the no load voltage(EO).
12. Find out voltage regulation by using the suitable formula.

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Prefabrication is the practice of assembling components of a structure in a factory or other manufacturing site, and transporting complete assemblies or sub-assemblies to the construction site where the structure is to be located. The term is used to distinguish this process from the more conventional construction practice of transporting the basic materials to the construction site where all assembly is carried out.

The term prefabrication also applies to the manufacturing of things other than structures at a fixed site. It is frequently used when fabrication of a section of a machine or any movable structure is shifted from the main manufacturing site to another location, and the section is supplied assembled and ready to fit. It is not generally used to refer to electrical or electronic components of a machine, or mechanical parts such as pumps, gearboxes and compressors which are usually supplied as separate items, but to sections of the body of the machine which in the past were fabricated with the whole machine. Prefabricated parts of the body of the machine may be called 'sub-assemblies' to distinguish them from the other components.