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The ISQ symbols for the bit and byte are bit and B, respectively.In the context of data-rate units, one byte consists of 8 bits, and is synonymous with the unit octet.The abbreviation bps is often used to mean bit/s, so that when a 1 Mbps connection is advertised, it usually means that the maximum achievable bandwidth is 1 Mbit/s (one million bits per second), which is 0.125 MB/s (megabyte per ...
In telecommunications and computing, bit rate (bitrate or as a variable R) is the number of bits that are conveyed or processed per unit of time. [1]The bit rate is expressed in the unit bit per second (symbol: bit/s), often in conjunction with an SI prefix such as kilo (1 kbit/s = 1,000 bit/s), mega (1 Mbit/s = 1,000 kbit/s), giga (1 Gbit/s = 1,000 Mbit/s) or tera (1 Tbit/s = 1,000 Gbit/s). [2]
Direct Media Interface (DMI) (×4 link) 10 Gbit/s: 1 GB/s: 2004 Enterprise Southbridge Interface (ESI) 8 Gbit/s: 1 GB/s: PCI Express 1.0 (×4 link) [l] 10 Gbit/s: 1 GB/s: 2004 AGP 4×: 8.533 Gbit/s: 1.067 GB/s: 1998 PCI-X 133: 8.533 Gbit/s: 1.067 GB/s: PCI-X QDR 16-bit: 8.533 Gbit/s: 1.067 GB/s: InfiniBand single 4× [23] 8 Gbit/s: 1 GB/s ...
10 4: 3.2×10 4 bit/s Audio data MW quality and ADPCM voice in telephony, doubling the capacity of a 30 chan link to 60 ch. 5.6×10 4 bit/s Networking 56kbit modem – 56 kbit/s – 56,000 bit/s: 6.4×10 4 bit/s Networking 64 kbit/s in an ISDN B channel or best quality, uncompressed telephone line. 10 5: 1.28×10 5 bit/s Audio data
The packet transmission time in seconds can be obtained from the packet size in bit and the bit rate in bit/s as: Packet transmission time = Packet size / Bit rate. Example: Assuming 100 Mbit/s Ethernet, and the maximum packet size of 1526 bytes, results in Maximum packet transmission time = 1526×8 bit / (100 × 10 6 bit/s) ≈ 122 μs
Example 1: A transmission technique using one kilohertz of bandwidth to transmit 1,000 bits per second has a modulation efficiency of 1 (bit/s)/Hz. Example 2 : A V.92 modem for the telephone network can transfer 56,000 bit/s downstream and 48,000 bit/s upstream over an analog telephone network.
For example, ITU-T V.29 specifies 4 bits per symbol, at a symbol rate of 2,400 baud, giving an effective bit rate of 9,600 bits per second. The history of spread spectrum goes in the opposite direction, leading to fewer and fewer data bits per symbol in order to spread the bandwidth. In the case of GPS, we have a data rate of 50 bit/s and a ...
The maximum user signaling rate, synonymous to gross bit rate or data signaling rate, is the maximum rate, in bits per second, at which binary information can be transferred in a given direction between users over the communications system facilities dedicated to a particular information transfer transaction, under conditions of continuous transmission and no overhead information.