Thus, doubling S/N produces only a 10percentt gain in the maximum data rate.
Today, Gallager's codes underlie the approaches that come closest to the maximum data rate for a given communication channel closer even than turbo codes.
In 1924, Harry Nyquist derived the following formula for the maximum data rate that can be achieved in a noiseless channel: Maximum Data Rate = 2 B log2 V bits per second, where B is the bandwidth of the channel and V is the number of discrete signal levels used in the channel.
In the section Development of voiceband modems, it is noted that the maximum data rate that can be transmitted over the local telephone loop is about 56 Kbps.
It used a queuing network to build an analytic model for a distributed query plan and defined two performance metrics the average response time and maximum data rate.
Data transmission could through switches and routers to achieve the data collection and transmission of any distance, at LAN conditions, the maximum data rate can reach 80Mbps.
It is also required to calculate the maximum operating bandwidth of the fiber optic system, that is, the maximum data rate the system will support.
Theoretical analysis and simulation results show that our proposed MAC protocol realizes the function of medium access control and attains a maximum data rate of 18.3 Gbit/s, which is 2 times higher than 5.78 Gbit/s, the theoretical maximum data rate of IEEE 802.15.3c standard.
In particular, Shannon derived the following formula: Maximum Data Rate = B log2(1 + S/N) bits per second, where B is the bandwidth of the channel, and the quantity S/N is the signal-to-noise ratio, which is often given in decibels (dB).
File transfer at maximum data rate results in median duty cycles of 47.6% (SD = 16%), while it results in median values of 91.5% (SD = 18%) at minimum data rate.
Through designing a new channel access scheme, a new superframe structure, and related key parameters, MAC-TC can support a maximum data rate up to 10 Gbit/s even higher.
