Generation of demodulation reference signals in advanced networks

Abstract

Facilitating generation of demodulation reference signals in advanced networks (e.g., 4G, 5G, 6G, and beyond) is provided herein. Operations of a system can comprise evaluating a capability of a mobile device and generating a demodulation reference signal sequence for the mobile device based on the capability of the mobile device. The demodulation reference signal sequence can be a first type based on the capability being a first capability and can be a second type based on the capability being a second capability.

What is claimed is: 
     
         1 . A method, comprising:
 in response to determining that a user equipment is not capable of supporting a low peak-to-average power ratio sequence, generating, by network equipment comprising a processor, a demodulation reference signal sequence for the user equipment, wherein the generating comprises:
 generating a random sequence comprising pseudo random sequences generated as a function of a slot number within a frame, orthogonal frequency-division multiplexing symbol number within a slot corresponding to the slot number, a first scrambling identifier, and a second scrambling identifier, and wherein the first scrambling identifier and the second scrambling identifier are based on different code division multiplexing groups, resulting in avoidance of repetition of information transmitted by different antenna ports of the network equipment. 
   
     
     
         2 . The method of  claim 1 , further comprising communicating, by the network equipment, the first scrambling identifier and the second scrambling identifier to the user equipment in two fields of a downlink control channel. 
     
     
         3 . The method of  claim 1 , further comprising determining, by the network equipment, that the user equipment is not capable of supporting the low peak-to-average power ratio sequence based on capability information received from the user equipment. 
     
     
         4 . The method of  claim 3 , wherein the capability information comprises a software release version of software executing on the user equipment. 
     
     
         5 . The method of  claim 1 , wherein the generating comprises generating the demodulation reference signal sequence based on the different antenna ports used for demodulation reference signals of the demodulation reference signal sequence. 
     
     
         6 . The method of  claim 1 , wherein the generating comprises generating the demodulation reference signal sequence based on code division multiplexing groups used for demodulation reference signals of the demodulation reference signal sequence. 
     
     
         7 . The method of  claim 1 , further comprising facilitating, by the network equipment, a transmission of the demodulation reference signal sequence to the user equipment via higher layer radio resource control signaling. 
     
     
         8 . Network equipment, comprising:
 a processor; and   a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising:   in response to determining that a user equipment is not capable of supporting a low peak-to-average power ratio sequence, preventing repetition of information transmitted by different antenna ports of the network equipment, wherein the preventing comprises:
 generating a demodulation reference signal sequence for the user equipment comprising pseudo random sequences generated as a slot number within a frame, orthogonal frequency-division multiplexing symbol number within a slot corresponding to the slot number, a first scrambling identifier, and a second scrambling identifier, and wherein the first scrambling identifier and the second scrambling identifier are based on different code division multiplexing groups. 
   
     
     
         9 . The network equipment of  claim 8 , wherein the operations further comprise transmitting the first scrambling identifier and the second scrambling identifier to the user equipment in two fields of a downlink control channel. 
     
     
         10 . The network equipment of  claim 8 , wherein the operations further comprise determining that the user equipment is not capable of supporting the low peak-to-average power ratio sequence based on capability information received from the user equipment. 
     
     
         11 . The network equipment of  claim 10 , wherein the capability information comprises a version number of a program executing on the user equipment. 
     
     
         12 . The network equipment of  claim 8 , wherein the generating comprises generating the demodulation reference signal sequence based on the different antenna ports used for demodulation reference signals of the demodulation reference signal sequence. 
     
     
         13 . The network equipment of  claim 8 , wherein the generating comprises generating the demodulation reference signal sequence based on code division multiplexing groups used for demodulation reference signals of the demodulation reference signal sequence. 
     
     
         14 . The network equipment of  claim 8 , wherein the operations further comprise transmitting the demodulation reference signal sequence to the user equipment via higher layer radio resource control signaling. 
     
     
         15 . A non-transitory machine-readable medium, comprising executable instructions that, when executed by a processor of network equipment, facilitate performance of operations, comprising:
 in response to determining that a mobile device is not capable of supporting a low peak-to-average power ratio sequence, avoiding repetition of information transmitted by different antenna ports of the network equipment, wherein the avoiding comprises:
 generating a demodulation reference signal sequence for the mobile device comprising pseudo random sequences generated as a function of a slot number within a frame, orthogonal frequency-division multiplexing symbol number within a slot corresponding to the slot number, a first scrambling identifier, and a second scrambling identifier, and wherein the first scrambling identifier and the second scrambling identifier are based on different code division multiplexing groups. 
   
     
     
         16 . The non-transitory machine-readable medium of  claim 15 , wherein the operations further comprise sending the first scrambling identifier and the second scrambling identifier to the mobile device in two fields of a downlink control channel. 
     
     
         17 . The non-transitory machine-readable medium of  claim 15 , wherein the operations further comprise determining that the mobile device is not capable of supporting the low peak-to-average power ratio sequence based on capability information associated with the mobile device. 
     
     
         18 . The non-transitory machine-readable medium of  claim 17 , wherein the capability information comprises a software version number of the mobile device. 
     
     
         19 . The non-transitory machine-readable medium of  claim 15 , wherein the generating comprises generating the demodulation reference signal sequence based on the different antenna ports used for demodulation reference signals of the demodulation reference signal sequence. 
     
     
         20 . The non-transitory machine-readable medium of  claim 15 , wherein the generating comprises generating the demodulation reference signal sequence based on code division multiplexing groups used for demodulation reference signals of the demodulation reference signal sequence.