Code Division of the Logical Channels for Transmission of Transactions in the Intelligent Mechatronic Systems

Abstract

As a rule, modern engineering and manufacturing projects are saturated with electronic equipment for automated monitoring and control, as well as cable communication lines and radio frequency channels for transmission of transactions. During functioning of the intelligent mechatronic systems the number of the communication lines of the frequency ranges is restricted due to application of the CDMA principles. A drawback of this method of channelizing is connected with a high level of the interfering signals in case of an increased quantity of the simultaneously functioning subscribers, whereof signals at the receiving side are highlighted with the hardware and software correlators. Taking this into account, a numeric method was proposed for the accelerated data streams of the bits extraction from the frame bits during the code division multiple access to the transmission of the transactions on the basis of the use of the Walsh function and the intelligent mechatronic systems. The scheme of the code division of the bit streams was analyzed due to introduction of the information source bit streams to the mechatronic system of the intelligent multiplexers at the transmitting channel side and the intelligent bit streams separators at the receiving side. A peculiarity of this code division scheme for the logical channels is that it is fully implemented due to the use of the software as a part of the intelligent mechatronic system. Construction of the software models of the intelligent multiplexer and the intelligent separator proved their high efficiency and stability of their functioning. When up to 256 logical channels are formed in one physical channel, a reliable separation of the information bits is ensured, as well as their diversion by the sources with the allowed delays in the transactions' fulfillment. An essential extra time advantage occurs, because all the separator transactions in the real processor of the bit frames processing take place with the help of short commands of the integer arithmetic.