Scheduling request transmission method and apparatus, and storage medium

Abstract

Provided are a method and apparatus for transmitting a Scheduling Request (SR). The method includes: before sending an SR to a base station through a Physical Uplink Control Channel (PUCCH), determining a preset parameter for generating an SR sequence based on the SR and a PUCCH format for sending the SR, the preset parameter corresponding to a transmission manner of the SR and the PUCCH format, the transmission manner of the SR including that a first SR is transmitted, a second SR is transmitted and both the first SR and the second SR are transmitted simultaneously, and the first SR and the second SR being different types of SRs; generating the SR sequence based on the preset parameter; and sending the SR sequence to the base station. Accordingly, the terminal can transmit two types of SRs simultaneously without additionally increasing the SR resource.

What is claimed is: 
     
         1 . A method for transmitting a Scheduling Request (SR), applied to a terminal, comprising:
 determining, before sending the SR to a base station through a Physical Uplink Control Channel (PUCCH), based on the SR and a PUCCH format for sending the SR, a preset parameter for generating an SR sequence, wherein the preset parameter corresponds to a transmission manner of the SR and the PUCCH format, the transmission manner of the SR comprises: transmitting a first SR, transmitting a second SR and transmitting both the first SR and the second SR simultaneously, wherein the first SR is an uplink SR, and the second SR is a Beam Failure Recovery Request (BFRQ);   generating the SR sequence based on the preset parameter; and   sending the SR sequence to the base station.   
     
     
         2 . The method of  claim 1 , wherein the preset parameter comprises a preset cyclic shift and a preset information block, and determining, based on the SR and the PUCCH format for sending the SR, the preset parameter for generating the SR sequence comprises:
 determining, when the PUCCH format for sending the SR is a first predefined format, a preset cyclic shift corresponding to the transmission manner of the SR as the preset parameter for generating the SR sequence.   
     
     
         3 . The method of  claim 2 , wherein generating the SR sequence based on the preset parameter comprises:
 generating the SR sequence based on the preset cyclic shift, an initial cyclic shift corresponding to the first predefined format and a time-domain position of the SR sequence in an SR resource.   
     
     
         4 . The method of  claim 1 , wherein the preset parameter comprises a preset cyclic shift and a preset information block, and determining, based on the SR and the PUCCH format for sending the SR, the preset parameter for generating the SR sequence comprises:
 determining, when the PUCCH format for sending the SR is a second predefined format, a preset information block corresponding to the transmission manner of the SR as the preset parameter for generating the SR sequence, the preset information block comprising at least two bits.   
     
     
         5 . The method of  claim 4 , wherein generating the SR sequence based on the preset parameter comprises:
 performing modulation on the preset information block to obtain a symbol;   calculating an original sequence based on a time-domain position of the SR sequence in an SR resource, an initial cyclic shift corresponding to the second predefined format and a preset quadrature sequence; and   multiplying the original sequence by the symbol obtained by the modulation to obtain the SR sequence.   
     
     
         6 . The method of  claim 1 , further comprising:
 receiving control signaling from the base station, wherein the control signaling indicates a type of each preset parameter corresponding to each predefined PUCCH format, and a value of each preset parameter corresponding to each transmission manner under each predefined PUCCH format.   
     
     
         7 . The method of  claim 1 , wherein a type of each preset parameter corresponding to each predefined PUCCH format and a value of each preset parameter corresponding to each transmission manner under each predefined PUCCH format are pre-stored in the terminal. 
     
     
         8 . A method for transmitting a Scheduling Request (SR), applied to a base station, comprising:
 acquiring an SR sequence;   determining, based on the SR sequence and a Physical Uplink Control Channel (PUCCH) format for transmitting the SR sequence, a preset parameter for generating the SR sequence, wherein the preset parameter corresponds to a transmission manner of the SR and the PUCCH format, the transmission manner of the SR comprises: transmitting a first SR, transmitting a second SR and transmitting both the first SR and the second SR simultaneously, wherein the first SR is an uplink SR, and the second SR is a Beam Failure Recovery Request (BFRQ); and   determining, based on the preset parameter, a content requested by a terminal sending the SR sequence.   
     
     
         9 . The method of  claim 8 , wherein the preset parameter comprises a preset cyclic shift and a preset information block, and determining, based on the SR sequence and the PUCCH format for transmitting the SR sequence, the preset parameter for generating the SR sequence comprises:
 generating at least one reference SR sequence based on at least one preset cyclic shift when the PUCCH format is a first predefined format;   comparing consistencies between the at least one reference SR sequence and the SR sequence; and   determining a preset cyclic shift corresponding to a reference SR sequence of the at least one reference SR sequence having a highest consistency with the SR sequence as a preset cyclic shift for generating the SR sequence.   
     
     
         10 . The method of  claim 8 , wherein the preset parameter comprises a preset cyclic shift and a preset information block, and determining, based on the SR sequence and the PUCCH format for transmitting the SR sequence, the preset parameter for generating the SR sequence comprises:
 associating the SR sequence with an original sequence when the PUCCH format is a second predefined format to obtain a target value;   mapping the target value to a first constellation point in a constellation map;   determining a second constellation point closest to the first constellation point among all standard constellation points in the constellation map, wherein each standard constellation point of the standard constellation points corresponds to each preset information block, and each preset information block at least comprises two bits; and   determining a preset information block corresponding to the second constellation point as an information block for generating the SR sequence.   
     
     
         11 . The method of  claim 8 , further comprising:
 sending control signaling to the terminal, wherein the control signaling comprises a predefined PUCCH format, the transmission manner of the SR and types of different preset parameters corresponding to different transmission manners.   
     
     
         12 . An apparatus for transmitting a Scheduling Request (SR), comprising:
 a processor; and   a memory, configured to store instructions executable by the processor,   wherein the processor is configured to:
 before sending the SR to a base station through a Physical Uplink Control Channel (PUCCH), determine, based on the SR and a PUCCH format for sending the SR, a preset parameter for generating an SR sequence, wherein the preset parameter corresponds to a transmission manner of the SR and the PUCCH format, the transmission manner of the SR comprises: transmitting a first SR, transmitting a second SR and transmitting both the first SR and the second SR simultaneously, wherein the first SR is an uplink SR, and the second SR is a Beam Failure Recovery Request (BFRQ); 
 generate the SR sequence based on the preset parameter; and 
 send the SR sequence to the base station. 
   
     
     
         13 . The apparatus of  claim 12 , wherein the preset parameter comprises a preset cyclic shift and a preset information block, and the processor is further configured to:
 determine, when the PUCCH format for sending the SR is a first predefined format, a preset cyclic shift corresponding to the transmission manner of the SR as the preset parameter for generating the SR sequence.   
     
     
         14 . The apparatus of  claim 13 , wherein the processor is further configured to:
 generate the SR sequence based on the preset cyclic shift, an initial cyclic shift corresponding to the first predefined format and a time-domain position of the SR sequence in an SR resource.   
     
     
         15 . The apparatus of  claim 12 , wherein the preset parameter comprises a preset cyclic shift and a preset information block, and the processor is further configured to:
 determine, when the PUCCH format for sending the SR is a second predefined format, a preset information block corresponding to the transmission manner of the SR as the preset parameter for generating the SR sequence, the preset information block comprising at least two bits.   
     
     
         16 . The apparatus of  claim 15 , wherein the processor is further configured to:
 perform modulation on the preset information block to obtain a symbol;   calculate an original sequence based on a time-domain position of the SR sequence in an SR resource, an initial cyclic shift corresponding to the second predefined format and a preset quadrature sequence; and   multiply the original sequence by the symbol obtained by the modulation to obtain the SR sequence.   
     
     
         17 . The apparatus of  claim 12 , wherein the processor is further configured to:
 receive control signaling from the base station, wherein the control signaling indicates a type of each preset parameter corresponding to each predefined PUCCH format, and a value of each preset parameter corresponding to each transmission manner under each predefined PUCCH format.   
     
     
         18 . An apparatus for transmitting a Scheduling Request (SR), comprising:
 a processor; and   a memory, configured to store instructions executable by the processor,   wherein the processor is configured to implement operations of the method of  claim 8 .