Facilitation of beamforming utilizing interpolation for 5g or other next generation network

Abstract

Disaggregated wireless radio access networks can utilize a lower physical split architecture with open fronthaul between the radio unit and distributed baseband units. A split architecture is one in which the analogue radio front-end and the digital baseband processor in a radio are not co-located. Instead, these components are connected via a fronthaul transport network. Therefore, the baseband unit can transmit two beamforming matrices for every contiguous resource block occupied by a user. The radio unit can then interpolate between these two beamforming matrices for each of the RE inside of the resource block based on the baseband unit and the radio unit agreeing upon a method of interpolation to generate beamforming matrices per resource element.

What is claimed is: 
     
         1 . A method, comprising:
 facilitating, by radio unit equipment comprising a processor, receiving, from distributed unit equipment, a message comprising beamforming matrices associated with a contiguous group of resource elements, the beamforming matrices comprising a first beamforming matrix associated with a first resource element of the contiguous group of resource elements and a second beamforming matrix associated with a last resource element of the contiguous group of resource elements;   determining, by the radio unit equipment, interpolated beamforming matrices for respective resource elements, of the contiguous group of resource elements and different from the first resource element and the last resource element, based on the first beamforming matrix and the second beamforming matrix; and   facilitating, by the radio unit equipment, transmitting, to a user equipment, a beamformed signal based on the first beamforming matrix, the interpolated beamforming matrices, and the second beamforming matrix.   
     
     
         2 . The method of  claim 1 , wherein the message indicates an interpolation type associated with the interpolated beamforming matrices. 
     
     
         3 . The method of  claim 2 , wherein the interpolation type is linear interpolation. 
     
     
         4 . The method of  claim 2 , wherein the interpolation type is selected from a group of interpolation types comprising spline interpolation, quadratic interpolation, piecewise interpolation, and polynomial interpolation. 
     
     
         5 . The method of  claim 2 , further comprising:
 facilitating, by the radio unit equipment, transmitting, to the distributed unit equipment, information indicative of respective interpolation types, comprising the interpolation type, supported by the radio unit equipment, wherein the receiving of the message from the distributed unit equipment is in response to the transmitting of the information.   
     
     
         6 . The method of  claim 2 , wherein the interpolation type associated with the interpolated beamforming matrices is indicated by a value of a compression parameters field of the message. 
     
     
         7 . The method of  claim 1 , wherein the message comprises a compression header field, and wherein the determining of the interpolated beamforming matrices is in response to a value of the compression header field being determined to be equal to a defined value. 
     
     
         8 . The method of  claim 1 , wherein the radio unit equipment and the distributed unit equipment are communicatively coupled via a fronthaul network. 
     
     
         9 . A system, comprising:
 a processor; and   a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising:
 receiving, from network equipment, a message comprising beamforming matrices associated with a contiguous group of resource elements designated for a user transmission, the beamforming matrices comprising a first beamforming matrix associated with a first resource element of the contiguous group of resource elements and a second beamforming matrix associated with a last resource element of the contiguous group of resource elements; 
 determining interpolated beamforming matrices for respective resource elements, of the contiguous group of resource elements and different from the first resource element and the last resource element, based on the first beamforming matrix and the second beamforming matrix; and 
 conducting the user transmission according to the first beamforming matrix, the interpolated beamforming matrices, and the second beamforming matrix. 
   
     
     
         10 . The system of  claim 9 , wherein the message indicates an interpolation type associated with the interpolated beamforming matrices. 
     
     
         11 . The system of  claim 10 , wherein the interpolation type is linear interpolation. 
     
     
         12 . The system of  claim 10 , wherein the operations further comprise:
 transmitting, to the network equipment, information indicative of respective interpolation types, comprising the interpolation type, supported by the system, wherein the receiving of the message from the network equipment is in response to the transmitting of the information.   
     
     
         13 . The system of  claim 10 , wherein the interpolation type associated with the interpolated beamforming matrices is indicated by a value of a compression parameters field of the message. 
     
     
         14 . The system of  claim 9 , wherein the message comprises a compression header field, and wherein the determining of the interpolated beamforming matrices is in response to a value of the compression header field being determined to match a defined value. 
     
     
         15 . A non-transitory machine-readable medium, comprising executable instructions that, when executed by a processor of radio unit equipment, facilitate performance of operations, comprising:
 receiving, from first network equipment, a message comprising beamforming matrices associated with a contiguous group of resource elements, the beamforming matrices comprising a first beamforming matrix associated with a first resource element of the contiguous group of resource elements and a second beamforming matrix associated with a last resource element of the contiguous group of resource elements;   interpolating intermediate beamforming matrices for respective resource elements, of the contiguous group of resource elements and different from the first resource element and the last resource element, based on the first beamforming matrix and the second beamforming matrix; and   transmitting, to second network equipment that is distinct from the first network equipment, a beamformed signal according to the first beamforming matrix, the intermediate beamforming matrices, and the second beamforming matrix.   
     
     
         16 . The non-transitory machine-readable medium of  claim 15 , wherein the message indicates an interpolation type associated with the interpolating. 
     
     
         17 . The non-transitory machine-readable medium of  claim 16 , wherein the interpolation type is linear interpolation. 
     
     
         18 . The non-transitory machine-readable medium of  claim 16 , wherein the operations further comprise:
 transmitting, to the first network equipment, capability information indicative of respective interpolation types, comprising the interpolation type, supported by the radio unit equipment, wherein the receiving of the message is in response to the transmitting of the capability information.   
     
     
         19 . The non-transitory machine-readable medium of  claim 16 , wherein the interpolation type is indicated by a value of a compression parameters field of the message. 
     
     
         20 . The non-transitory machine-readable medium of  claim 15 , wherein the message comprises a compression header field, and wherein the interpolating is in response to a value of the compression header field being determined to be satisfy a function with respect to a defined value.