Patent Application
20120161989
The invention pertains to the field of data coding, especially in comparison and contrast to existing methods of base band data coding, or line coding, and related computer, networking, data storage and transmission and broadcast technology systems, methods and processes, and generally and pervasively relates to other aspects of information and electronic technology systems, methods and processes as well.
Line coding at the physical layer of transmission, storage and retrieval has typically been previously by a digital representation of the actual binary coded value of a data bit positionally within a data byte. Most typically, bits are constructed into bytes of eight bits, words are constructed of two bytes, and so forth.
Digital values of 0 or 1 (also analogous to Boolean algebra True/False and On/Off logic values) are represented or conveyed by high versus low voltages, or positive versus negative voltages, on a pair of wires, cable, or wireless by radio signals, or otherwise digitally represented or conveyed on other storage, presentation, processing, networking or transmission media, medium or means. Each more significant bit positional location in a typical eight bit byte is of greater binary value by a factor of two. This method of data coding is pervasive throughout modern information technology related equipment, and transmission and processing systems.
The dichotomy of a byte of data coded by this ubiquitous method follows:
The least order bit (20) of a byte is the LSB. Its OFF state represents a value of positional zero whereas its ON state represents a value of one. The next larger order bit (21) of a byte represents two when ON, and positional zero when OFF.
This allows 27 value possibilities to be represented per just the eighth bit of an eight byte digital data code, thus a total range of values represented by the entire byte is from zero to 255, or commonly referred to 28=256 bits.
Single data bytes formatted with additional start and stop bits for varying modes and speeds for simple low protocol level digital data transmission are also referred to as words in some cases, though the effective amount of data conveyed by such a transmission is often just eight bits.
Higher level protocols sometimes implement various additional higher layer systems and techniques of additional data coding, data transmission, storage and retrieval. Additional methods and techniques of combining multiple coded signals for wire or wireless transmission are also implemented to accomplish various purposes but underlying all such higher order systems is the actual physical layer line coding of digital data
Three level (or more) coding systems are sometimes used, but physical implementations of purely binary values have proven historically to most practicably reliable due to numerous physical phenomena such as characteristics of many data storage and transmission media, medium, means, systems, processes and methods.
The invention includes a coding method to format and represent data to accomplish a decrease of the bandwidth required to transmit data at a certain rate, or to inversely raise the speed of transmission of a certain quantity of data. Physical media bulk data storage quantity requirements are also decreased greatly by the invention.
With the invention of Exponential Line Coding, a dramatic increase of the quantity of data represented, stored, retrieved or transmitted per byte, word or larger data structure is achieved at the lowest level of physical layer of data coding, also known as line coding. Exponential Line Coding method of converting data to more compact format may also be applied at higher level systems of data storage, processing, and transmission systems.
This is achieved by modifying existing positional binary linear step exponent line coding method to a system of wherein bit place values are raised by multiplicative factors or even exponentially higher than previous bit position values. Method A below uses factor of 2, whereas Method B shown below implements exponentially squared higher bit position values.
The much larger binary bit place values can now be utilized to code massively more significant binary bit positions, yet maintain the lower significant bit positions required for precision of the first few least order bits. In other words, the previously linearly progressing squared exponents of the bits are themselves progressively squared.
The dichotomy of a data byte follows with exponents for invented format:
Longer data words can now result in even much greater bit position values.
Invention requires and includes specialized yet similar conversion techniques for other number base formatted data such as decimal, hexadecimal, binary and the existing binary data coding formats predating conversion into the invented Exponential Line Coding format.
The single drawing sheet details existing and invented coding systems:
Method “A” shown above is the preferred embodiment of invention.
Inventive step of Exponential Line Coding method permits a dramatically increasing quantity of data to be represented, stored, retrieved, processed or transmitted per byte, word or larger data structure.
The multiplicative or exponentially larger value bit position digit values are translated to a smaller number of binary bits to be set or cleared when reading and writing the physical data.
The process is otherwise much like that for the traditional line coding format for binary physical coded digital data.
Bigger digit positional values means smaller physical data for digital storage and transmission and therefor consumes less resources to support the requested data operation.
Additional embodiments of the invention method and conversion process example are possible with other bases and exponent schemes and shorter or longer data words.
The invention may be constructed and implemented by persons or firms experienced in implementing previously existing types of digital data storage, processing, presentation and transmission systems, equipment, devices, components and related means.
