Reduction and/or mitigation of spatial emissions in multi-antenna wireless communication systems for advanced networks

Abstract

Facilitating the reduction and/or mitigation of spatial emissions in a multi antenna wireless communications system is provided herein. A system can comprise a memory that stores executable instructions that, when executed by a processor, facilitate performance of operations that can comprise applying a first signal linearization to a first output signal of a first power amplifier based on a determination that an adjacent channel leakage ratio of the first output signal of the first power amplifier fails to satisfy a defined output value. The operations can also comprise applying a second signal linearization to a group of output signals of a group of power amplifiers for a defined azimuth direction associated with channel frequencies of the group of output signals and applying a third signal linearization to the group of output signals for a defined elevation direction associated with the channel frequencies of the group of output signals.

What is claimed is: 
     
         1 . A method, comprising:
 applying, by network equipment comprising a processor, a first pre-distortion signal to an input signal of a power amplifier for a defined azimuth direction associated with a channel frequency of an output signal of the power amplifier; and   applying, by the network equipment, a second pre-distortion signal to the input signal of the power amplifier for a defined elevation direction associated with the channel frequency of the output signal,   wherein the applying of the first pre-distortion signal and the applying of the second pre-distortion signal comprise reducing a radiation pattern associated with the output signal.   
     
     
         2 . The method of  claim 1 , wherein the radiation pattern is a function of the output signal, a first antenna element pattern in a vertical domain, and a second antenna element pattern in an azimuth domain. 
     
     
         3 . The method of  claim 1 , further comprising:
 based on a determination that a power level in the channel frequency is less than a defined threshold azimuth level, discontinuing, by the network equipment, the applying of the second pre-distortion signal.   
     
     
         4 . The method of  claim 1 , further comprising:
 based on a determination that a power level in the channel frequency is less than a defined threshold elevation level, discontinuing, by the network equipment, the applying of the first pre-distortion signal.   
     
     
         5 . The method of  claim 1 , wherein the first pre-distortion signal and the second pre-distortion signal are digital pre-distortion signals. 
     
     
         6 . The method of  claim 1 , wherein the first pre-distortion signal and the second pre-distortion signal are analog pre-distortion signals. 
     
     
         7 . The method of  claim 1 , wherein the input signal is a first input signal, wherein the output signal is a first output signal, wherein the power amplifier is a first power amplifier, and wherein the method further comprises:
 applying, by the network equipment, a third pre-distortion signal to a second input signal of a second power amplifier based on a determination that a second output signal of the second power amplifier fails to satisfy a defined output value.   
     
     
         8 . The method of  claim 7 , wherein the channel frequency is a first channel frequency, and wherein the second output signal comprises a second channel frequency that is adjacent the first channel frequency. 
     
     
         9 . The method of  claim 7 , wherein the first output signal and the second output signal are signals configured to operate according to at least a fifth generation network communication protocol. 
     
     
         10 . A system, comprising:
 a processor; and   a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising:
 implementing a first signal linearization to a first input signal of a first power amplifier based on a first determination that a first output signal of the first power amplifier satisfies a defined output value, wherein the first output signal comprises a first channel frequency; 
 implementing a second signal linearization to a second input signal of a second power amplifier for a defined azimuth direction associated with a second channel frequency of a second output signal of the second power amplifier; and 
 implementing a third signal linearization to the second input signal of the second power amplifier for a defined elevation direction associated with the second channel frequency of the second output signal. 
   
     
     
         11 . The system of  claim 10 , wherein the operations further comprise:
 determining that an adjacent channel leakage ratio of the first output signal of a power supply satisfies the defined output value; and   discontinuing the implementing of the first signal linearization.   
     
     
         12 . The system of  claim 10 , wherein the implementing of the first signal linearization and the implementing of the second signal linearization comprise mitigating spatial emissions in an azimuth direction and an elevation direction. 
     
     
         13 . The system of  claim 10 , wherein the implementing of the first signal linearization and the implementing of the second signal linearization comprise mitigating an adjacent channel leakage ratio amount. 
     
     
         14 . The system of  claim 10 , wherein the first channel frequency is adjacent to the second channel frequency. 
     
     
         15 . The system of  claim 10 , wherein the operations further comprise:
 based on a second determination that a power level in the second channel frequency is less than a defined threshold azimuth level, discontinuing the implementing of the third signal linearization.   
     
     
         16 . The system of  claim 10 , wherein the operations further comprise:
 based on a second determination that a second power level in the second channel frequency is less than a defined threshold elevation level, discontinuing the implementing of the second signal linearization.   
     
     
         17 . The system of  claim 10 , wherein the first output signal and the second output signal are signals configured to operate according to a new radio network communication protocol. 
     
     
         18 . A non-transitory machine-readable medium, comprising executable instructions that, when executed by a processor, facilitate performance of operations, comprising:
 mitigating a radiation pattern, wherein the mitigating comprises:
 applying a first pre-distortion signal to an input signal of a power amplifier for a defined azimuth direction associated with a channel frequency of an output signal of the power amplifier, and 
 applying a second pre-distortion signal to the input signal of the power amplifier for a defined elevation direction associated with the channel frequency of the output signal, wherein the mitigating of the radiation pattern comprises mitigating the radiation pattern associated with the output signal. 
   
     
     
         19 . The non-transitory machine-readable medium of  claim 18 , wherein the radiation pattern is a function of the output signal, a first antenna element pattern in a vertical domain, and a second antenna element pattern in an azimuth domain. 
     
     
         20 . The non-transitory machine-readable medium of  claim 18 , wherein the operations further comprise:
 based on a first determination that a power level in the channel frequency is less than a defined threshold azimuth level, discontinuing the applying of the second pre-distortion signal; and   based on a second determination that the power level in the channel frequency is less than a defined threshold elevation level, discontinuing the applying of the first pre-distortion signal.