System for wireless transmission and receiving of information and method of operation thereof

Receiving circuitry for receiving a wireless transmission of information with the wireless transmission of information being subject to fading for a time interval and being modulated with a carrier modulated with a subcarrier with the subcarrier being modulated with first and second identical encoded information streams to produce first and second parallel information streams modulated on cycles of the subcarrier with the first parallel information stream containing the first encoded information stream and with the second parallel information stream containing the second encoded information stream with the parallel information streams being transmitted with a time delay interval between the parallel information streams as modulated on the subcarrier which is equal to or greater than the time interval, the receiving circuitry comprising:

• a detector for detecting the transmitted first and second parallel information streams;
• and
• at least one processor, responsive to the detected parallel streams, for determining if faded information is present in at least one of the detected first and second parallel information streams and in response to determined faded information replacing the faded information caused by a fade with replacement information from at least one of the first and second parallel information streams which is time offset at transmission from the faded information by the time delay interval and outputting error free transmitted information including the replacement information.

A method of receiving a wireless transmission of information with the transmission of the information being subject to fading for a time interval and being modulated with a radio frequency carrier modulated with a subcarrier with the subcarrier being modulated with first and second identical encoded information streams to produce first and second parallel information streams modulated on cycles of the subcarrier with the first parallel information stream containing the first encoded information stream and with the second parallel information stream containing the second encoded information stream with the parallel information streams being transmitted with a time delay interval between the parallel streams as modulated on the subcarrier which is equal to or greater than the time interval comprising the steps:

• detecting the first and second parallel information streams which have been transmitted with the radio frequency carrier;
• and
• determining if faded information is present in at least one of the detected first and second parallel information streams and in response to determined faded information replacing the faded information caused by an fade with replacement information from one of the first and second parallel information streams which is time offset from the faded information by the time delay interval and outputting error free transmitted information including the replacement information.

Receiving circuitry for receiving a wireless transmission of information modulated on cycles of a subcarrier comprising:

• a detector for detecting modulated cycles of a subcarrier;
• and
• a processor, coupled to the detector, for processing detected individual cycles of the subcarrier to calculate an integral of at least one selected modulated part of each of the individual cycles, numerically comparing each of the calculated integrals with a plurality of stored numerical ranges which ranges each represent one of a plurality of possible numerical values that the selected part may encode to identify a stored range numerically including the calculated integral and substituting for the at least one selected part of each of the cycles the one of the plurality of numerical values representative of the identified stored range including the calculated integral with each numerical value encoding at least a part of an information unit in one of the cycles;
• and wherein
• the processor processes the substituted numerical values to produce the information.

A method of receiving a wireless transmission of information comprising:

• detecting modulated cycles of a subcarrier;
• and
• processing detected individual cycles of the subcarrier modulated with the information to calculate an integral of at least one selected modulated part of each of the individual cycles, numerically comparing each of the calculated integrals with a plurality of stored numerical ranges which ranges each represent one of a plurality of possible numerical values that the selected modulated part may encode to identify a stored range numerically including the calculated integral and substituting for the at least one selected part of each of the cycles the one of the plurality of numerical values representative of the identified stored range including the calculated integral with each numerical value encoding at least a part of an information unit in one of the cycles;
• and wherein
• processing the substituted numerical values to produce the information.

Receiving circuitry for receiving a wireless transmission of information with the transmission of the information being subject to fading for a time interval and being modulated with a carrier modulated with a subcarrier with the subcarrier being modulated with first and second encoded identical information streams to produce first and second parallel information streams modulated on cycles of the subcarrier with the first parallel information stream containing the first encoded information stream and with the second parallel information stream containing the second encoded information stream with the parallel information streams being transmitted with a time delay interval between the parallel information streams as modulated on the subcarrier which is equal to or greater than the time interval, the receiving circuitry comprising:

• a detector for detecting the transmitted first and second parallel information streams;
• a processor, responsive to the detected first and second parallel information streams, for determining if faded information is present in at least one of the detected first and second parallel information streams by processing error correction code contained in frames of the information to determine if the frames contain at least one uncorrectable bit after processing the error correction code and in response to determined faded information replacing the faded information caused by a fade with replacement information from at least one of the first and second parallel information streams which is time offset from the faded information by the time delay interval and outputting error free transmitted information including the replacement information.

A method of wireless transmission of information subject to fading for a time interval using a radio frequency carrier modulated with a subcarrier comprising:

• providing a first encoded information stream which comprises the information to be transmitted and a second encoded information stream which also comprises the information to be transmitted with the second information stream being delayed by a time delay interval with respect to the first information stream which is equal to or greater than the time interval of the fading;
• modulating the subcarrier with the first and second encoded information streams to produce first and second parallel information streams modulated on cycles of the subcarrier with the first parallel information stream containing the first encoded information stream, the second parallel information containing the second encoded information stream and with the first parallel information stream as modulated on the subcarrier being time displaced from the second parallel information stream by the time delay interval;
• transmitting the carrier modulated with the subcarrier modulated with the first and second parallel information streams;
• detecting the transmitted first and second parallel information streams;
• determining if faded information is present in at least one of the detected first and second parallel information streams by processing error correction code contained in frames of the information to determine if the frames contain at least one uncorrectable bit after processing the error correction code;
• in response to the faded information replacing the faded information caused by a fade with information from at least one of the first and second parallel information streams which is time offset from the faded information by the time delay interval;
• and
• outputting error free transmitted information including the replacement information.