Ultra-large bandwidth data transmission method, device and computer storage medium

An ultra-large bandwidth data transmission device, for use in a small cell base station comprising a processor and a transmitter, the ultra-large bandwidth data transmission device comprising:

• the transmitter is configured to transmit data in a subframe level manner of a Long Term Evolution (LTE) system with a specific bandwidth;
• the processor is configured to:
• obtain a value of an ultra-large bandwidth used for transmitting ultra-large bandwidth data, and a value of the specific bandwidth of the LTE system;
• determine a value of a parameter corresponding to the specific bandwidth;
• wherein the parameter comprises a sampling rate and the specific bandwidth comprises 1.4 MHz bandwidth, 3 MHz bandwidth, 5 MHz bandwidth, 10 MHz bandwidth and 20 MHz bandwidth;
• determine values of multiple frequency number m and fractional frequency number n of the sampling rate corresponding to the specific bandwidth, where m=(p1{circumflex over ( )}k1)×(p2{circumflex over ( )}k2)×, . . . ,×(pi{circumflex over ( )}ki), m and n are positive integers, k1 to ki are exponents, values of k1-kn are natural numbers, p1 to pi are bases corresponding to k1 to ki, values of p1 to pi are prime numbers, and a value range of n is from 1 to m−1;
• transform a value of
• the sampling rate corresponding to the specific bandwidth into a value of a sampling rate corresponding to the ultra-large bandwidth, the value of the sampling rate corresponding to the ultra-large bandwidth being m/n times of the value of the sampling rate corresponding to the specific bandwidth;
• and
• determine a subcarrier spacing corresponding to the ultra-large bandwidth according to an equation of:
• the sampling rate corresponding to the ultra-large bandwidth=the subcarrier spacing×a Fast Fourier Transformation (FFT) point number corresponding to the specific bandwidth;
• and
• the transmitter is further configured to transmit the ultra-large bandwidth data based on the sampling rate corresponding to the ultra-large bandwidth and subcarrier spacing corresponding to the ultra-large bandwidth.

A non-transitory computer storage medium having stored therein a computer executable instruction for executing an ultra-large bandwidth data transmission method, performed in a small cell base station comprising a processor and a transmitter, the method comprising:

• transmitting, by the transmitter, ultra-large bandwidth data in a subframe level manner of a Long Term Evolution (LTE) system with a specific bandwidth, comprising:
• obtaining, by the processor, a value of an ultra-large bandwidth used for transmitting ultra-large bandwidth data, and a value of the specific bandwidth of the LTE system;
• determining, by the processor, a value of a parameter corresponding to the specific bandwidth;
• wherein the parameter comprises a sampling rate and the specific bandwidth comprises 1.4 MHz bandwidth, 3 MHz bandwidth, 5 MHz bandwidth, 10 MHz bandwidth and 20 MHz bandwidth, and
• determining, by the processor, values of multiple frequency number m and fractional frequency number n of the sampling rate corresponding to the specific bandwidth, where m=(p1{circumflex over ( )}k1)×(p2{circumflex over ( )}k2)×, . . . ,×(pi{circumflex over ( )}ki), m and n are positive integers, k1 to ki are exponents, values of k1-kn are natural numbers, p1 to pi are bases corresponding to k1 to kn, values of p1 to pi are prime numbers, and a value range of n is from 1 to m−1;
• transforming, by the processor, a value of the sampling rate corresponding to the specific bandwidth into a value of a sampling rate corresponding to the ultra-large bandwidth, the value of the sampling rate corresponding to the ultra-large bandwidth being m/n times of the value of the sampling rate corresponding to the specific bandwidth;
• and
• determining, by the processor, a subcarrier spacing corresponding to the ultra-large bandwidth according to an equation of:
• the sampling rate corresponding to the ultra-large bandwidth=the subcarrier spacing×a Fast Fourier Transformation (FFT) point number corresponding to the specific bandwidth;
• and
• transmitting, by the transmitter, the ultra-large bandwidth data based on the sampling rate corresponding to the ultra-large bandwidth and subcarrier spacing corresponding to the ultra-large bandwidth.