Download Broadband Power-line Communication Systems THEORY & APPLICATIONS Edit By J. Anatory and N. Theethayi
Contents Electrical Engineering :
Chapter 1- Power-line communications
Chapter 2- Transmission line theory
Chapter 3- Power-line channel models
Chapter 4- The effects of line length, load impedance and number of branches in the BPLC
Chapter 5- Channel characterization for different PLC systems
Chapter 6- Modulation and coding techniques for power-line communications systems
Chapter 7- Performance of PLC systems that use modulation and coding techniques
Preface Broadband Power-line Communication Systems :
The implementation of access technology is a challenge in both developed and developing countries. There are large investments for installations and maintenance for such access technology networks and power line network is the best candidate. The reason geing, the potential broadband
end users first consider having electricity in their household and business areas or within a large scale industry that draws power from electrical grids.
Researchers have widely investigated the applicability/feasibility of Power line Network for communication and found that they have enough bandwidth for communication at nearly any data rate. A limitation hindering the communications through such media is the regulations by communication authorities, e.g. in Europe, CENELEC standard have regulated the operation
frequencies and maximum power to be transmitted in power line communication (PLC) environment.
These led researchers to review PLC systems with regards to frequency band of operations and maximum operating power in various countries, because PLC systems radiate like antenna and can cause interference to other communication medium e.g. wireless, normal broadcast radio and so on.
Generally, Power line Networks implemented in different countries have similarities and this makes it easier for PLC modeling. PLC in principle is affected by noise, but this has shown to be similar with other communication channels like cellular and radio and this limits the performance to be achieved. PLC network is divided into three categories, indoor PLC, low voltage PLC, and medium voltage PLC.
The low and medium voltage PLC is called access network. Generally, PLC technology can be divided into two groups so called narrowband and broadband technologies. The narrowband technology allows the data rates up to 100kbps while the broadband technology allows data rates beyond 2Mbps. The narrowband services include office and home automation, energy information systems, transportation systems, etc. Currently, there is a growing deployment of PLC technologies in various countries and a number of manufacturers offer PLC products with data rates up to 45Mbps or more.
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