exabit

　

WordNet

1. a unit of information equal to 1000 petabits or 10^18 bits (同)Ebit, Eb

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/06/25 23:14:47」(JST)

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Multiples of bits
Decimal Value SI 1000 103 kbit kilobit 10002 106 Mbit megabit 10003 109 Gbit gigabit 10004 1012 Tbit terabit 10005 1015 Pbit petabit 10006 1018 Ebit exabit 10007 1021 Zbit zettabit 10008 1024 Ybit yottabit	Binary Value IEC JEDEC 1024 210 Kibit kibibit Kbit kilobit 10242 220 Mibit mebibit Mbit megabit 10243 230 Gibit gibibit Gbit gigabit 10244 240 Tibit tebibit - 10245 250 Pibit pebibit - 10246 260 Eibit exbibit - 10247 270 Zibit zebibit - 10248 280 Yibit yobibit -
See also Nibble Byte Orders of magnitude of data

The exabit is a multiple of the unit bit for digital information or computer storage. The prefix exa (symbol E) is defined in the International System of Units (SI) as a multiplier of 10¹⁸ (1 quintillion, short scale), and therefore

1 exabit = 10¹⁸bits = 1000000000000000000bits = 1000 petabits.

The exabit has the unit symbol Ebit or Eb.

The exabit is closely related to the exbibit, a unit multiple derived from the binary prefix exbi of the same order of magnitude, which is equal to 2⁶⁰bits = 1152921504606846976bits, or approximately 15% larger than the exabit.

See also

• SI prefix
• exabyte

References

English Journal

• Trans-oceanic class ultra-long-haul transmission using multi-core fiber.

• Morita I, Igarashi K, Takahashi H, Tsuritani T, Suzuki M.
• Optics express.Opt Express.2014 Dec 29;22(26):31761-73. doi: 10.1364/OE.22.031761.
• Space-division multiplexing with uncoupled multi-core fiber is a promising technology to drastically increase a fiber capacity in optical communication systems. Trans-oceanic class ultra-long-haul transmission was successfully achieved by using 7-core MCF with suppressed inter-core crosstalk. By usi
• PMID 25607145

• Super-Nyquist-WDM transmission over 7,326-km seven-core fiber with capacity-distance product of 1.03 Exabit/s · km.

• Igarashi K, Tsuritani T, Morita I, Tsuchida Y, Maeda K, Tadakuma M, Saito T, Watanabe K, Imamura K, Sugizaki R, Suzuki M.
• Optics express.Opt Express.2014 Jan 27;22(2):1220-8. doi: 10.1364/OE.22.001220.
• We show super-Nyquist-WDM transmission technique, where optical signals with duobinary-pulse shaping can be wavelength-multiplexed with frequency spacing of below baudrate. Duobinary-pulse shaping can reduce the signal bandwidth to be a half of baudrate while controlling inter-symbol interference ca
• PMID 24515127

Japanese Journal

• 特集 エクサビット(10[18]bit)時代に向けた光ファイバ通信の革新

• 電気学会誌 131(9), 596-616, 2011-09-00
• NAID 40018970063

Related Links

• eXabit Systems - Home

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• Extabit

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