Pre-Processing in Uplink RAN Using Neural Network

A method for compressing a data signal at a radio head apparatus in a base station of a radio access network, the method comprising:

• receiving compression model information from a central processing apparatus of the base station;
• receiving a data signal from a user equipment over a radio channel;
• pre-processing the data signal, including compressing the data signal using a neural network, the neural network being selected amongst a set of neural networks based on the compression model information;
• and
• transmitting the pre-processed data signal to the central processing apparatus.

A central processing apparatus for use in a base station of a radio access network, the central processing apparatus comprising:

• at least one processor;
• and
• at least one non-transitory memory storing instructions that, when executed with the at least one processor, cause the central processing apparatus to:
• receive, through a radio head apparatus of the base station, at least a channel information signal transmitted with a user equipment over a radio channel;
• obtain, based on the channel information signal, compression model information indicating a neural network to be used for compression with the radio head apparatus amongst a set of neural networks;
• and
• send the compression model information to the radio head apparatus.

A method for optimizing compression of data signals in a base station of a radio access network, wherein the base station comprises at least a radio head apparatus and a central processing apparatus, the method comprising:

• receiving at the central processing apparatus, through the radio head apparatus, at least a channel information signal transmitted with a user equipment over a radio channel;
• obtaining with the central processing apparatus, based on the channel information signal, compression model information indicating a neural network to be used for compression with the radio head apparatus amongst a set of neural networks;
• and
• sending with the central processing apparatus to the radio head apparatus the compression model information.