Exam 6: Error Detection and Correction

Error correction works by adding ________ to the transmitted message.

In ________ transmission each block of data is formatted as a frame that includes a starting and an ending flag.

The use of coding allows a reduction,referred to as the ________,and defined as the reduction in decibels to achieve a specified BER of an error correcting coded system compared to an uncoded system using the same modulation.

A way of viewing the CRC process is to express all values as ________ in a dummy variable X with binary coefficients.

The ratio of data bits to total bits is called the code rate .