International Journal of Scientific & Engineering Research, Volume 5, Issue 3, March-2014 825
ISSN 2229-5518
Integrating Wireless Communication and
Broadband Powerline Communication:
Applications of Networking of Depreciation Data
Acquiring System
Sabah Mohammed mlkat AL-Mutoki, Ahmed Dheyaa Basha, Satar Habib Mnaathr, Baqer Turki Atiyha
Electrical Department, Foundation of Technical Education, Technical Institute of Shatrah, Thi-Qar 00964, Iraq
with very good signal, but with adherent little shelter to make an “upside –down” communication structure. W hile the downlink from the major station to the concentrator is reversible at the same time also if compared with the original mode, the obstacles and difficulty of constructions on resources and workforce of new point of view are more cost-effective; from the standpoint of the working principle, in the two-way transition of the Powerline by carrier communication (broadband). W hile the wireless access point can be chosen easily and the information is often much reliability, security and stability. In addition the data transfer rate is very high; moreover the bandwidth resources can be fully used.
Index Terms— Networking, Powerline Communication (PCo), W ireless Communication (W Co), BPL carrier chip, PHY Chip.
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onsiders the stable and reliable communications system one of the important aspect as a vital factor in energy de- preciation data acquiring system. It should ensure the re- liability, timeliness, security, or will be implemented in the op- eration and management of the entire system [1]. Due to re- strictions on the money and planning and a lot of other rea- sons, and distributed base station communications in a private network power unequally, and coverage is not comprehensive in the practical application of energy depreciation data acquir-
ing system, which lead to a weak signal as our signal in some Communities. The weak wireless signal or no signal. In addi- tion, affected the (WCo) by obstacles during transmission, due to the lack of specialized signal repeater for radio and other equipment, which would cause the failure of the wireless communication between groups of the individual’s intense and master station remote in the region and cannot be loaded command data. As a result, singing and means of communica- tion cannot meet the actual requirement. Only with a compre- hensive consideration of the various modes of communication on the basis of complement each other and positioning on the local conditions can be achieved telecommunications field. This study aims to analyze the problems happened in the (Wco) between the district and the station remote master in power gather information, depreciation, combined with practical ap- plications, as a suggested solution applied energy, depreciation information collection network system that combines broad-
band Powerline communications (PCo) and wireless commu- nications (WCo), Moreover, tests carried out by the actual fea- sibility [2].
The system usually operates broadband Powerline carrier in the instance frequency range of 1 ~ 40 MHz, it is best to avoid traditional low-frequency interference. Using orthogonal or spread spectrum modulation to achieve data transmission mega above, the data transfer rate of the physical lay-up to 200 megabits per second. With a high data transfer rate and a high- er degree of reliability, the broadband Powerline carrier used widely in low voltage Powerline communications (PCo) carrier in recent years, and Become a mainstream technology of the new generation Of low-voltage Powerline carrier communica- tions. At the present time ,Has been applied this technology widely in power PLC depreciation data acquiring projects in all
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regions of the country as well as home within the grid. In en- ergy consumption data acquiring system, broadband It consists Powerline carrier network meter reading system master station software system, broadband Powerline carrier condenser, and broadband Powerline carrier and collector meters. Put the ac- quiring of this system are: broadband carrier Intensive + broadband carrier collector m + RS-485M; intensive broadband carrier + carrier broadband +485 collector / pulse converter + mechanical meter pulse; Intensive broadband carrier + carrier broadband meters [3].
In this subject the communications channel remote meter and remote reading from the community to control the master sta- tion, a public wireless network GPRS, wireless public network CDMA, while wireless private network and fiber optic com- munication all of them are the common modes currently used. Comparison with (WCo) and optical fiber communication is relatively stable and reliable. In this respect and due to the high cost of construction, and fiber-optic connections are applied to a very narrow range, and the remote channel is basically rely- ing on the media to a wireless network. And to a large extent influenced by the wireless communication same obstacles dur- ing transmission because it can shorten the after the move strongly. Given that the data wirelessly transceiver open and other devices can get this data within the scope of RF, it is very necessary to take several modes such as end - to - end ad- vanced encryption standard dynamic frequency - hopping to ensure a safe transition of data. Compared with the private connections that self – constructed channel for public facilities, public (WCo) network method ( also known as Channel Com- munications and Public Relations) uses or rents public com- munications resources constructed by the public telecom oper- ators. IT services such as network GPRS and CDMA submitted by the operators of mobile phone networks [4].
Majority used in this channel of communications and public relations. While Public wireless networking technologies overmatches those private wireless networks on the views of network coverage, Improvement, and play, etc., because the original The intention of the public telecommunications net- work channel provides the resources of social communication to the public, on a channel of communication for the public network users should energy information collection system based power a series of techniques to meet special needs. This is especially true on technologies related to security, reliability, real-time application, extensibility, and economic efficiency. Therefore, some restrictions on a public wireless network it can be seen applying power connection,for instance authorized by the Management Committee of the Malaysia Radio, private wireless communications network is the data communications resources based on (WCo) technologies, which have been built on many two and many two -point and a single frequency in the spectrum specified . Development of wireless network is currently the main mode works by Malaysia is an energy sys- tem, such as wireless 230MHPrivate network communications
and wireless SCDMA many companies' communication tech- nology in Malaysia. Short the construction period, a secure channel of communication, real-time application and flexible networking are its advantages. Although wireless networking technologies become mature after years of the application on the power system, some of the problems and restrictions can still be observed in practice [5]. On one hand, and an important professional techniques for installation, operation and mainte- nance. On the other hand, due to the limits less power stations, private networks and planning, capital often cause different distribution and wireless coverage signals. As an outcome, you cannot for some individual communities receiving a signal or can only get bad signals easily. Besides, in the according to the organizing various community programs, some are installed in areas lacking concentrates of such signal parking underground basement, others are blocked by high-rise buildings. All of these main reasons mentioned above, along with the lack of special equipment such as radio signals workstation can lead to the failure of the local (WCo) between Intensive and remote major stations, and the data it cannot be transmitted thereby. All these problems mentioned above, along with those ob- tained from the energy information collection site reveals limits communication method and one that cannot be handled signed a wide-ranging problem in the energy information collection system. Less stable signals are blocked often occurs in the pow- er, depreciation data acquiring at the site and led projects from material misstatement of this mono-communication method. In order to solve the problems or not, weak signal between the main terminals for local and remote, Put " reverse " consisting of specific Powerline Gateway Broadband and (WCo) module (with Antenna) is suggested in this study [6].
With a view to solve problems such as the poor condition communications due to blocking the wireless signal during transmission, and can take three main steps to perfect the con- struction of networks of " upside down" structure of telecom- munications transmission concentrates in the area and the mas- ter adapters station in the distance . The first step, and outside areas without or with weak signals, signals in the community, a region that is the wireless signal It was a good choice, such as windows of residential high-rises. BPL gateway task, especially with the phrase attached to the Powerline near windows, BPLC Channel between the condenser and the private ferry Power- line will be held by the patch. The second step is attached, CPE and wireless antenna near Powerline gateway, and data trans- fer can be recognized between Powerline gate, especially wire- less and CPE is using the Ethernet interface and CAT5 twisted pairs. The third step, the channel is established, reliable wire- less signal between the CPE and wireless master station in the distance through the antenna, in order to achieve communica- tion and data transfer between the concentrator and the main
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station in the distance. Mode appears in (Figure 1) networks
[7], [8].
Fig. 1. Networking Mode of Telecommunication Join- ing (PCo) and (W Co)
Fig.2 .Modem for BPL-only
BPL module consists of the BPL chip carrier, filter circuit of the carrier signal, and circuit coupling BPL, and so on Filter circuit of the carrier signal consists of a filter circuit and input output circuit. In the form of Powerline carrier, meter reading BPL sig- nal coming from the carrier concentrates are filtered frequency noise is appointed by the input filter circles, and converted to a signal processing data via the carrier BPLChip, and transmitted to the MCU. Similarly, processed by the MCU, the command signal from the Major broadcast station in the distance to the carrier BPL Converted to chip carrier BPL signal, then sent to the Filter circuit output to the filter , in order to avoid signal - to
- noise coupling Powerline . By coupling coupled to the circuit
and the signal from the BPL unit to a Powerline, or BPL signal is
coupled to the front of the Palestinian Legislative Council (PLC)
from the unit. After receiving it, and the Legislative Council will capacitor continue to transmit to the PLC device to obtain data in accordance with’s Internal network protocol [9],[10].
A dynamic routing table in storage MCU, indicating, respec- tively, the IP addresses used in the telecommunications and power lines and wireless communications, in order to deter- mine the source and destination information, and to ensure that the function of the gate-way communication and isolation be- tween the net and external Powerline.Modular unit , and the unit MCU comparison and analysis the source IP address of the head frame analysis and data IP address from the list of IP in storage MCU , in order to determine whether the data received from the wireless communication Network or PLC , and func- tion as a gateway isolate the Powerline network . Then accord- ing to the objective of the network data, will MCU seal source IP address of the president of the data frame, and finally send data packets unit of the Ethernet PHY chip, and transferred to the main station in the distance by wireless CPE. Currently, if the unit of the Ethernet PHY chip is busy, the MCU will send data packets to the queue data from the MCU Storage, and transmis- sion of data sequentially until current the unit has been sent Ethernet PHY chip from outside. If the queue full, you will no- tice the MCU and PLC unit not to receive packet data until there is a vacancy in the data queue. Similarly, the data leadership transition descending from the major station in after the experi- ence of the investigation of the source IP address of the data frame, and re- packing and shipping after arriving MCU. Func- tion unit of the Ethernet PHY chip is to transfer data MCU via RJ45 port, and send it to the major station in the distance by wireless CPE; receive commands from the data RJ45 Port, and sent to the MCU[11],[12].
A task unit of the Ethernet PHY chip is to transmit data from the MCU via RJ45 port, and send the data to the master station in the distance by wireless CPE, for the completion of data transmission of BPL side to side wireless; receive a data com- mand from the RJ45 Ethernet port, and sent to the MCU. The link between the unit and Ethernet PHY chip MCU is recog- nized through the MII.
Application in the this field, and five in a society of adapters from Malaysia –Penang is selected and test of the goals devel- opment of telecommunications combines broadband ( PCo) and wireless to raise the rate of communication on the Internet of concentrated in the main station after the patch. After the field survey, and five with a low rate concentrates online has been chosen. Among them, concentrates in the area of three – phase H34901, is placed also H34902 and H34560 in a signal blind spot in the underground garage; concentrates in And H34660 stopped in the box and sub - stations which are under
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intense covering the surrounding residential buildings; concen- trates H34790 they have low rates on the Internet because of the dense cover Of tall trees. Through corrected by installing a Powerline modem, CPE and wireless antenna fix in residential windows in buildings, and these five concentrates achieve network status combining broadband (PCo) and (WCo) and building stable channel of communication between local con- centrates in the fields of area and the main station remotely. Track records in the case of concentrated on the internet and five transformers should be made in the community in 30 con- secutive days at the side of the main station. Must be released parameter to focus every 30 minutes of every day see if the side of the main station gets a response in order to test online rate of five concentrates. Compared with the online rate of five con- centrates before the patch, the outcomes are as follows (Figure.
3) [13], [14].
Fig. 3 .Comparison of the online rate of the concentrators before patch& after patch
Through the analysis of the problems in for this study that oc- cur in the communications between the stage and the main stations through the acquiring of the energy, depreciation in- formation, and this paper provides development of telecom- munications combines broadband (PCo) and (WCo) that solves problems and clogged wireless fading signal, signal, signal blocking and signal instability through wireless communica- tion between the regions and the stage consecutively for the main stations. In this respect this situation has been proven to be practical and effective to improve the success acquiring of energy depreciation information. In the future, a joining of broadband (PCo) and (WCo), as well as Information and Communication will provide another strong support for wider coverage and acquiring for information on energy deprecia- tion.
With highest grateful to lecturers in CITM (PTPM) in Univer- sity Sciences Malaysia (USM) for their appreciation and con- structive suggestions to improve this study.
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