Robert Carderbank
![]() At the start of his career at Bell Labs, innovations by Dr. Calderbank were incorporated in a progression of voiceband modem standards that moved communications practice close to the Shannon limit. Together with Peter Shor and colleagues at AT&T Labs he showed that good quantum error correcting codes exist and developed the group theoretic framework for quantum error correction. He is a co- inventor of space-time codes for wireless communication, where correlation of signals across different transmit antennas is the key to reliable transmission. |