Starting with simple repetition codes and parity bits, it shows how smarter strategies can protect entire messages with fewer extra bits. You will see how overlapping parity checks create a cascade ...

Computers employ a variety of schemes to check whether a chunk of digital information–transmitted as a message, stored in a database, or functioning as a set of instructions–remains error-free. Such ...

RS codes can be shown to be an LDPC, for instance. Only a few years earlier, a similar FEC, the Turbo Codes were introduced. These codes also came very close to Shannon’s limit. The drawback is they ...

I got into an argument with a colleague about RAID levels (specifically RAID5) and whether the redundancy was accomplished through parity or ECC. The standard sources all refer to the RAID5 array ...