Abstract: We show that for any (Q/spl times/M) space-time code S having a fixed ... When either binary phase-shift keying (BPSK) or quaternary phase-shift keying (QPSK) is used as the signal ...

Scientists have developed an exact approach to a key quantum error correction problem once believed to be unsolvable, and have shown that what appeared to be hardware-related errors may in fact be due ...

For decades, quantum computers that perform calculations millions of times faster than conventional computers have remained a ...

A novel time-division MIMO technology enables phased-array receivers to operate faster with exceptional area efficiency and ...

WARNING: The codes take effect immediately after you use them. So, if you are satisfied with your current face, family, or whatever, don’t use codes for that reroll. Instructions to redeem them ...